diff options
165 files changed, 8102 insertions, 2217 deletions
diff --git a/Documentation/devicetree/bindings/ata/cavium-compact-flash.txt b/Documentation/devicetree/bindings/ata/cavium-compact-flash.txt new file mode 100644 index 0000000..93986a5 --- /dev/null +++ b/Documentation/devicetree/bindings/ata/cavium-compact-flash.txt @@ -0,0 +1,30 @@ +* Compact Flash + +The Cavium Compact Flash device is connected to the Octeon Boot Bus, +and is thus a child of the Boot Bus device. It can read and write +industry standard compact flash devices. + +Properties: +- compatible: "cavium,ebt3000-compact-flash"; + + Compatibility with many Cavium evaluation boards. + +- reg: The base address of the the CF chip select banks. Depending on + the device configuration, there may be one or two banks. + +- cavium,bus-width: The width of the connection to the CF devices. Valid + values are 8 and 16. + +- cavium,true-ide: Optional, if present the CF connection is in True IDE mode. + +- cavium,dma-engine-handle: Optional, a phandle for the DMA Engine connected + to this device. + +Example: + compact-flash@5,0 { + compatible = "cavium,ebt3000-compact-flash"; + reg = <5 0 0x10000>, <6 0 0x10000>; + cavium,bus-width = <16>; + cavium,true-ide; + cavium,dma-engine-handle = <&dma0>; + }; diff --git a/Documentation/devicetree/bindings/gpio/cavium-octeon-gpio.txt b/Documentation/devicetree/bindings/gpio/cavium-octeon-gpio.txt new file mode 100644 index 0000000..9d6dcd3 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/cavium-octeon-gpio.txt @@ -0,0 +1,49 @@ +* General Purpose Input Output (GPIO) bus. + +Properties: +- compatible: "cavium,octeon-3860-gpio" + + Compatibility with all cn3XXX, cn5XXX and cn6XXX SOCs. + +- reg: The base address of the GPIO unit's register bank. + +- gpio-controller: This is a GPIO controller. + +- #gpio-cells: Must be <2>. The first cell is the GPIO pin. + +- interrupt-controller: The GPIO controller is also an interrupt + controller, many of its pins may be configured as an interrupt + source. + +- #interrupt-cells: Must be <2>. The first cell is the GPIO pin + connected to the interrupt source. The second cell is the interrupt + triggering protocol and may have one of four values: + 1 - edge triggered on the rising edge. + 2 - edge triggered on the falling edge + 4 - level triggered active high. + 8 - level triggered active low. + +- interrupts: Interrupt routing for each pin. + +Example: + + gpio-controller@1070000000800 { + #gpio-cells = <2>; + compatible = "cavium,octeon-3860-gpio"; + reg = <0x10700 0x00000800 0x0 0x100>; + gpio-controller; + /* Interrupts are specified by two parts: + * 1) GPIO pin number (0..15) + * 2) Triggering (1 - edge rising + * 2 - edge falling + * 4 - level active high + * 8 - level active low) + */ + interrupt-controller; + #interrupt-cells = <2>; + /* The GPIO pin connect to 16 consecutive CUI bits */ + interrupts = <0 16>, <0 17>, <0 18>, <0 19>, + <0 20>, <0 21>, <0 22>, <0 23>, + <0 24>, <0 25>, <0 26>, <0 27>, + <0 28>, <0 29>, <0 30>, <0 31>; + }; diff --git a/Documentation/devicetree/bindings/i2c/cavium-i2c.txt b/Documentation/devicetree/bindings/i2c/cavium-i2c.txt new file mode 100644 index 0000000..dced82e --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/cavium-i2c.txt @@ -0,0 +1,34 @@ +* Two Wire Serial Interface (TWSI) / I2C + +- compatible: "cavium,octeon-3860-twsi" + + Compatibility with all cn3XXX, cn5XXX and cn6XXX SOCs. + +- reg: The base address of the TWSI/I2C bus controller register bank. + +- #address-cells: Must be <1>. + +- #size-cells: Must be <0>. I2C addresses have no size component. + +- interrupts: A single interrupt specifier. + +- clock-frequency: The I2C bus clock rate in Hz. + +Example: + twsi0: i2c@1180000001000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "cavium,octeon-3860-twsi"; + reg = <0x11800 0x00001000 0x0 0x200>; + interrupts = <0 45>; + clock-frequency = <100000>; + + rtc@68 { + compatible = "dallas,ds1337"; + reg = <0x68>; + }; + tmp@4c { + compatible = "ti,tmp421"; + reg = <0x4c>; + }; + }; diff --git a/Documentation/devicetree/bindings/mips/cavium/bootbus.txt b/Documentation/devicetree/bindings/mips/cavium/bootbus.txt new file mode 100644 index 0000000..6581478 --- /dev/null +++ b/Documentation/devicetree/bindings/mips/cavium/bootbus.txt @@ -0,0 +1,126 @@ +* Boot Bus + +The Octeon Boot Bus is a configurable parallel bus with 8 chip +selects. Each chip select is independently configurable. + +Properties: +- compatible: "cavium,octeon-3860-bootbus" + + Compatibility with all cn3XXX, cn5XXX and cn6XXX SOCs. + +- reg: The base address of the Boot Bus' register bank. + +- #address-cells: Must be <2>. The first cell is the chip select + within the bootbus. The second cell is the offset from the chip select. + +- #size-cells: Must be <1>. + +- ranges: There must be one one triplet of (child-bus-address, + parent-bus-address, length) for each active chip select. If the + length element for any triplet is zero, the chip select is disabled, + making it inactive. + +The configuration parameters for each chip select are stored in child +nodes. + +Configuration Properties: +- compatible: "cavium,octeon-3860-bootbus-config" + +- cavium,cs-index: A single cell indicating the chip select that + corresponds to this configuration. + +- cavium,t-adr: A cell specifying the ADR timing (in nS). + +- cavium,t-ce: A cell specifying the CE timing (in nS). + +- cavium,t-oe: A cell specifying the OE timing (in nS). + +- cavium,t-we: A cell specifying the WE timing (in nS). + +- cavium,t-rd-hld: A cell specifying the RD_HLD timing (in nS). + +- cavium,t-wr-hld: A cell specifying the WR_HLD timing (in nS). + +- cavium,t-pause: A cell specifying the PAUSE timing (in nS). + +- cavium,t-wait: A cell specifying the WAIT timing (in nS). + +- cavium,t-page: A cell specifying the PAGE timing (in nS). + +- cavium,t-rd-dly: A cell specifying the RD_DLY timing (in nS). + +- cavium,pages: A cell specifying the PAGES parameter (0 = 8 bytes, 1 + = 2 bytes, 2 = 4 bytes, 3 = 8 bytes). + +- cavium,wait-mode: Optional. If present, wait mode (WAITM) is selected. + +- cavium,page-mode: Optional. If present, page mode (PAGEM) is selected. + +- cavium,bus-width: A cell specifying the WIDTH parameter (in bits) of + the bus for this chip select. + +- cavium,ale-mode: Optional. If present, ALE mode is selected. + +- cavium,sam-mode: Optional. If present, SAM mode is selected. + +- cavium,or-mode: Optional. If present, OR mode is selected. + +Example: + bootbus: bootbus@1180000000000 { + compatible = "cavium,octeon-3860-bootbus"; + reg = <0x11800 0x00000000 0x0 0x200>; + /* The chip select number and offset */ + #address-cells = <2>; + /* The size of the chip select region */ + #size-cells = <1>; + ranges = <0 0 0x0 0x1f400000 0xc00000>, + <1 0 0x10000 0x30000000 0>, + <2 0 0x10000 0x40000000 0>, + <3 0 0x10000 0x50000000 0>, + <4 0 0x0 0x1d020000 0x10000>, + <5 0 0x0 0x1d040000 0x10000>, + <6 0 0x0 0x1d050000 0x10000>, + <7 0 0x10000 0x90000000 0>; + + cavium,cs-config@0 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <0>; + cavium,t-adr = <20>; + cavium,t-ce = <60>; + cavium,t-oe = <60>; + cavium,t-we = <45>; + cavium,t-rd-hld = <35>; + cavium,t-wr-hld = <45>; + cavium,t-pause = <0>; + cavium,t-wait = <0>; + cavium,t-page = <35>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,bus-width = <8>; + }; + . + . + . + cavium,cs-config@6 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <6>; + cavium,t-adr = <5>; + cavium,t-ce = <300>; + cavium,t-oe = <270>; + cavium,t-we = <150>; + cavium,t-rd-hld = <100>; + cavium,t-wr-hld = <70>; + cavium,t-pause = <0>; + cavium,t-wait = <0>; + cavium,t-page = <320>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,wait-mode; + cavium,bus-width = <16>; + }; + . + . + . + }; diff --git a/Documentation/devicetree/bindings/mips/cavium/ciu.txt b/Documentation/devicetree/bindings/mips/cavium/ciu.txt new file mode 100644 index 0000000..2c2d074 --- /dev/null +++ b/Documentation/devicetree/bindings/mips/cavium/ciu.txt @@ -0,0 +1,26 @@ +* Central Interrupt Unit + +Properties: +- compatible: "cavium,octeon-3860-ciu" + + Compatibility with all cn3XXX, cn5XXX and cn63XX SOCs. + +- interrupt-controller: This is an interrupt controller. + +- reg: The base address of the CIU's register bank. + +- #interrupt-cells: Must be <2>. The first cell is the bank within + the CIU and may have a value of 0 or 1. The second cell is the bit + within the bank and may have a value between 0 and 63. + +Example: + interrupt-controller@1070000000000 { + compatible = "cavium,octeon-3860-ciu"; + interrupt-controller; + /* Interrupts are specified by two parts: + * 1) Controller register (0 or 1) + * 2) Bit within the register (0..63) + */ + #interrupt-cells = <2>; + reg = <0x10700 0x00000000 0x0 0x7000>; + }; diff --git a/Documentation/devicetree/bindings/mips/cavium/ciu2.txt b/Documentation/devicetree/bindings/mips/cavium/ciu2.txt new file mode 100644 index 0000000..0ec7ba8 --- /dev/null +++ b/Documentation/devicetree/bindings/mips/cavium/ciu2.txt @@ -0,0 +1,27 @@ +* Central Interrupt Unit + +Properties: +- compatible: "cavium,octeon-6880-ciu2" + + Compatibility with 68XX SOCs. + +- interrupt-controller: This is an interrupt controller. + +- reg: The base address of the CIU's register bank. + +- #interrupt-cells: Must be <2>. The first cell is the bank within + the CIU and may have a value between 0 and 63. The second cell is + the bit within the bank and may also have a value between 0 and 63. + +Example: + interrupt-controller@1070100000000 { + compatible = "cavium,octeon-6880-ciu2"; + interrupt-controller; + /* Interrupts are specified by two parts: + * 1) Controller register (0..63) + * 2) Bit within the register (0..63) + */ + #address-cells = <0>; + #interrupt-cells = <2>; + reg = <0x10701 0x00000000 0x0 0x4000000>; + }; diff --git a/Documentation/devicetree/bindings/mips/cavium/dma-engine.txt b/Documentation/devicetree/bindings/mips/cavium/dma-engine.txt new file mode 100644 index 0000000..cb4291e --- /dev/null +++ b/Documentation/devicetree/bindings/mips/cavium/dma-engine.txt @@ -0,0 +1,21 @@ +* DMA Engine. + +The Octeon DMA Engine transfers between the Boot Bus and main memory. +The DMA Engine will be refered to by phandle by any device that is +connected to it. + +Properties: +- compatible: "cavium,octeon-5750-bootbus-dma" + + Compatibility with all cn52XX, cn56XX and cn6XXX SOCs. + +- reg: The base address of the DMA Engine's register bank. + +- interrupts: A single interrupt specifier. + +Example: + dma0: dma-engine@1180000000100 { + compatible = "cavium,octeon-5750-bootbus-dma"; + reg = <0x11800 0x00000100 0x0 0x8>; + interrupts = <0 63>; + }; diff --git a/Documentation/devicetree/bindings/mips/cavium/uctl.txt b/Documentation/devicetree/bindings/mips/cavium/uctl.txt new file mode 100644 index 0000000..aa66b9b --- /dev/null +++ b/Documentation/devicetree/bindings/mips/cavium/uctl.txt @@ -0,0 +1,46 @@ +* UCTL USB controller glue + +Properties: +- compatible: "cavium,octeon-6335-uctl" + + Compatibility with all cn6XXX SOCs. + +- reg: The base address of the UCTL register bank. + +- #address-cells: Must be <2>. + +- #size-cells: Must be <2>. + +- ranges: Empty to signify direct mapping of the children. + +- refclk-frequency: A single cell containing the reference clock + frequency in Hz. + +- refclk-type: A string describing the reference clock connection + either "crystal" or "external". + +Example: + uctl@118006f000000 { + compatible = "cavium,octeon-6335-uctl"; + reg = <0x11800 0x6f000000 0x0 0x100>; + ranges; /* Direct mapping */ + #address-cells = <2>; + #size-cells = <2>; + /* 12MHz, 24MHz and 48MHz allowed */ + refclk-frequency = <24000000>; + /* Either "crystal" or "external" */ + refclk-type = "crystal"; + + ehci@16f0000000000 { + compatible = "cavium,octeon-6335-ehci","usb-ehci"; + reg = <0x16f00 0x00000000 0x0 0x100>; + interrupts = <0 56>; + big-endian-regs; + }; + ohci@16f0000000400 { + compatible = "cavium,octeon-6335-ohci","usb-ohci"; + reg = <0x16f00 0x00000400 0x0 0x100>; + interrupts = <0 56>; + big-endian-regs; + }; + }; diff --git a/Documentation/devicetree/bindings/net/cavium-mdio.txt b/Documentation/devicetree/bindings/net/cavium-mdio.txt new file mode 100644 index 0000000..04cb749 --- /dev/null +++ b/Documentation/devicetree/bindings/net/cavium-mdio.txt @@ -0,0 +1,27 @@ +* System Management Interface (SMI) / MDIO + +Properties: +- compatible: "cavium,octeon-3860-mdio" + + Compatibility with all cn3XXX, cn5XXX and cn6XXX SOCs. + +- reg: The base address of the MDIO bus controller register bank. + +- #address-cells: Must be <1>. + +- #size-cells: Must be <0>. MDIO addresses have no size component. + +Typically an MDIO bus might have several children. + +Example: + mdio@1180000001800 { + compatible = "cavium,octeon-3860-mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0x00001800 0x0 0x40>; + + ethernet-phy@0 { + ... + reg = <0>; + }; + }; diff --git a/Documentation/devicetree/bindings/net/cavium-mix.txt b/Documentation/devicetree/bindings/net/cavium-mix.txt new file mode 100644 index 0000000..5da628d --- /dev/null +++ b/Documentation/devicetree/bindings/net/cavium-mix.txt @@ -0,0 +1,39 @@ +* MIX Ethernet controller. + +Properties: +- compatible: "cavium,octeon-5750-mix" + + Compatibility with all cn5XXX and cn6XXX SOCs populated with MIX + devices. + +- reg: The base addresses of four separate register banks. The first + bank contains the MIX registers. The second bank the corresponding + AGL registers. The third bank are the AGL registers shared by all + MIX devices present. The fourth bank is the AGL_PRT_CTL shared by + all MIX devices present. + +- cell-index: A single cell specifying which portion of the shared + register banks corresponds to this MIX device. + +- interrupts: Two interrupt specifiers. The first is the MIX + interrupt routing and the second the routing for the AGL interrupts. + +- mac-address: Optional, the MAC address to assign to the device. + +- local-mac-address: Optional, the MAC address to assign to the device + if mac-address is not specified. + +- phy-handle: Optional, a phandle for the PHY device connected to this device. + +Example: + ethernet@1070000100800 { + compatible = "cavium,octeon-5750-mix"; + reg = <0x10700 0x00100800 0x0 0x100>, /* MIX */ + <0x11800 0xE0000800 0x0 0x300>, /* AGL */ + <0x11800 0xE0000400 0x0 0x400>, /* AGL_SHARED */ + <0x11800 0xE0002008 0x0 0x8>; /* AGL_PRT_CTL */ + cell-index = <1>; + interrupts = <1 18>, < 1 46>; + local-mac-address = [ 00 0f b7 10 63 54 ]; + phy-handle = <&phy1>; + }; diff --git a/Documentation/devicetree/bindings/net/cavium-pip.txt b/Documentation/devicetree/bindings/net/cavium-pip.txt new file mode 100644 index 0000000..d4c53ba --- /dev/null +++ b/Documentation/devicetree/bindings/net/cavium-pip.txt @@ -0,0 +1,98 @@ +* PIP Ethernet nexus. + +The PIP Ethernet nexus can control several data packet input/output +devices. The devices have a two level grouping scheme. There may be +several interfaces, and each interface may have several ports. These +ports might be an individual Ethernet PHY. + + +Properties for the PIP nexus: +- compatible: "cavium,octeon-3860-pip" + + Compatibility with all cn3XXX, cn5XXX and cn6XXX SOCs. + +- reg: The base address of the PIP's register bank. + +- #address-cells: Must be <1>. + +- #size-cells: Must be <0>. + +Properties for PIP interfaces which is a child the PIP nexus: +- compatible: "cavium,octeon-3860-pip-interface" + + Compatibility with all cn3XXX, cn5XXX and cn6XXX SOCs. + +- reg: The interface number. + +- #address-cells: Must be <1>. + +- #size-cells: Must be <0>. + +Properties for PIP port which is a child the PIP interface: +- compatible: "cavium,octeon-3860-pip-port" + + Compatibility with all cn3XXX, cn5XXX and cn6XXX SOCs. + +- reg: The port number within the interface group. + +- mac-address: Optional, the MAC address to assign to the device. + +- local-mac-address: Optional, the MAC address to assign to the device + if mac-address is not specified. + +- phy-handle: Optional, a phandle for the PHY device connected to this device. + +Example: + + pip@11800a0000000 { + compatible = "cavium,octeon-3860-pip"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0xa0000000 0x0 0x2000>; + + interface@0 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 0f b7 10 63 60 ]; + phy-handle = <&phy2>; + }; + ethernet@1 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x1>; /* Port */ + local-mac-address = [ 00 0f b7 10 63 61 ]; + phy-handle = <&phy3>; + }; + ethernet@2 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x2>; /* Port */ + local-mac-address = [ 00 0f b7 10 63 62 ]; + phy-handle = <&phy4>; + }; + ethernet@3 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x3>; /* Port */ + local-mac-address = [ 00 0f b7 10 63 63 ]; + phy-handle = <&phy5>; + }; + }; + + interface@1 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 0f b7 10 63 64 ]; + phy-handle = <&phy6>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/serial/cavium-uart.txt b/Documentation/devicetree/bindings/serial/cavium-uart.txt new file mode 100644 index 0000000..87a6c37 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/cavium-uart.txt @@ -0,0 +1,19 @@ +* Universal Asynchronous Receiver/Transmitter (UART) + +- compatible: "cavium,octeon-3860-uart" + + Compatibility with all cn3XXX, cn5XXX and cn6XXX SOCs. + +- reg: The base address of the UART register bank. + +- interrupts: A single interrupt specifier. + +- current-speed: Optional, the current bit rate in bits per second. + +Example: + uart1: serial@1180000000c00 { + compatible = "cavium,octeon-3860-uart","ns16550"; + reg = <0x11800 0x00000c00 0x0 0x400>; + current-speed = <115200>; + interrupts = <0 35>; + }; diff --git a/arch/mips/Kbuild.platforms b/arch/mips/Kbuild.platforms index 5ce8029..d64786d 100644 --- a/arch/mips/Kbuild.platforms +++ b/arch/mips/Kbuild.platforms @@ -14,6 +14,7 @@ platforms += jz4740 platforms += lantiq platforms += lasat platforms += loongson +platforms += loongson1 platforms += mipssim platforms += mti-malta platforms += netlogic diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index b3e10fd..7504290 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -209,6 +209,7 @@ config MACH_JZ4740 select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_ZBOOT_UART16550 select DMA_NONCOHERENT select IRQ_CPU select GENERIC_GPIO @@ -264,6 +265,16 @@ config MACH_LOONGSON Chinese Academy of Sciences (CAS) in the People's Republic of China. The chief architect is Professor Weiwu Hu. +config MACH_LOONGSON1 + bool "Loongson 1 family of machines" + select SYS_SUPPORTS_ZBOOT + help + This enables support for the Loongson 1 based machines. + + Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by + the ICT (Institute of Computing Technology) and the Chinese Academy + of Sciences. + config MIPS_MALTA bool "MIPS Malta board" select ARCH_MAY_HAVE_PC_FDC @@ -787,6 +798,8 @@ config NLM_XLR_BOARD select ZONE_DMA if 64BIT select SYNC_R4K select SYS_HAS_EARLY_PRINTK + select USB_ARCH_HAS_OHCI if USB_SUPPORT + select USB_ARCH_HAS_EHCI if USB_SUPPORT help Support for systems based on Netlogic XLR and XLS processors. Say Y here if you have a XLR or XLS based board. @@ -799,7 +812,6 @@ config NLM_XLP_BOARD select SYS_HAS_CPU_XLP select SYS_SUPPORTS_SMP select HW_HAS_PCI - select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select 64BIT_PHYS_ADDR @@ -836,6 +848,7 @@ source "arch/mips/txx9/Kconfig" source "arch/mips/vr41xx/Kconfig" source "arch/mips/cavium-octeon/Kconfig" source "arch/mips/loongson/Kconfig" +source "arch/mips/loongson1/Kconfig" source "arch/mips/netlogic/Kconfig" endmenu @@ -1217,6 +1230,14 @@ config CPU_LOONGSON2F have a similar programming interface with FPGA northbridge used in Loongson2E. +config CPU_LOONGSON1B + bool "Loongson 1B" + depends on SYS_HAS_CPU_LOONGSON1B + select CPU_LOONGSON1 + help + The Loongson 1B is a 32-bit SoC, which implements the MIPS32 + release 2 instruction set. + config CPU_MIPS32_R1 bool "MIPS32 Release 1" depends on SYS_HAS_CPU_MIPS32_R1 @@ -1432,6 +1453,8 @@ config CPU_CAVIUM_OCTEON select WEAK_ORDERING select CPU_SUPPORTS_HIGHMEM select CPU_SUPPORTS_HUGEPAGES + select LIBFDT + select USE_OF help The Cavium Octeon processor is a highly integrated chip containing many ethernet hardware widgets for networking tasks. The processor @@ -1544,6 +1567,14 @@ config CPU_LOONGSON2 select CPU_SUPPORTS_64BIT_KERNEL select CPU_SUPPORTS_HIGHMEM +config CPU_LOONGSON1 + bool + select CPU_MIPS32 + select CPU_MIPSR2 + select CPU_HAS_PREFETCH + select CPU_SUPPORTS_32BIT_KERNEL + select CPU_SUPPORTS_HIGHMEM + config CPU_BMIPS bool select CPU_MIPS32 @@ -1562,6 +1593,9 @@ config SYS_HAS_CPU_LOONGSON2F select CPU_SUPPORTS_ADDRWINCFG if 64BIT select CPU_SUPPORTS_UNCACHED_ACCELERATED +config SYS_HAS_CPU_LOONGSON1B + bool + config SYS_HAS_CPU_MIPS32_R1 bool @@ -2366,6 +2400,8 @@ config PCI_DOMAINS source "drivers/pci/Kconfig" +source "drivers/pci/pcie/Kconfig" + # # ISA support is now enabled via select. Too many systems still have the one # or other ISA chip on the board that users don't know about so don't expect diff --git a/arch/mips/alchemy/board-mtx1.c b/arch/mips/alchemy/board-mtx1.c index 295f1a95..9996948 100644 --- a/arch/mips/alchemy/board-mtx1.c +++ b/arch/mips/alchemy/board-mtx1.c @@ -81,10 +81,10 @@ static void mtx1_power_off(void) void __init board_setup(void) { -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +#if IS_ENABLED(CONFIG_USB_OHCI_HCD) /* Enable USB power switch */ alchemy_gpio_direction_output(204, 0); -#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ +#endif /* IS_ENABLED(CONFIG_USB_OHCI_HCD) */ /* Initialize sys_pinfunc */ au_writel(SYS_PF_NI2, SYS_PINFUNC); diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c index 95cb911..c0f3ce6 100644 --- a/arch/mips/alchemy/common/platform.c +++ b/arch/mips/alchemy/common/platform.c @@ -334,13 +334,12 @@ static void __init alchemy_setup_macs(int ctype) if (alchemy_get_macs(ctype) < 1) return; - macres = kmalloc(sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); + macres = kmemdup(au1xxx_eth0_resources[ctype], + sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); if (!macres) { printk(KERN_INFO "Alchemy: no memory for MAC0 resources\n"); return; } - memcpy(macres, au1xxx_eth0_resources[ctype], - sizeof(struct resource) * MAC_RES_COUNT); au1xxx_eth0_device.resource = macres; i = prom_get_ethernet_addr(ethaddr); @@ -356,13 +355,12 @@ static void __init alchemy_setup_macs(int ctype) if (alchemy_get_macs(ctype) < 2) return; - macres = kmalloc(sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); + macres = kmemdup(au1xxx_eth1_resources[ctype], + sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); if (!macres) { printk(KERN_INFO "Alchemy: no memory for MAC1 resources\n"); return; } - memcpy(macres, au1xxx_eth1_resources[ctype], - sizeof(struct resource) * MAC_RES_COUNT); au1xxx_eth1_device.resource = macres; ethaddr[5] += 1; /* next addr for 2nd MAC */ diff --git a/arch/mips/alchemy/devboards/Makefile b/arch/mips/alchemy/devboards/Makefile index 3c37fb3..c9e747d 100644 --- a/arch/mips/alchemy/devboards/Makefile +++ b/arch/mips/alchemy/devboards/Makefile @@ -2,7 +2,7 @@ # Alchemy Develboards # -obj-y += prom.o bcsr.o platform.o +obj-y += bcsr.o platform.o obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_MIPS_PB1100) += pb1100.o obj-$(CONFIG_MIPS_PB1500) += pb1500.o diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c index 1e83ce2..f2039ef 100644 --- a/arch/mips/alchemy/devboards/bcsr.c +++ b/arch/mips/alchemy/devboards/bcsr.c @@ -90,10 +90,7 @@ static void bcsr_csc_handler(unsigned int irq, struct irq_desc *d) unsigned short bisr = __raw_readw(bcsr_virt + BCSR_REG_INTSTAT); disable_irq_nosync(irq); - - for ( ; bisr; bisr &= bisr - 1) - generic_handle_irq(bcsr_csc_base + __ffs(bisr)); - + generic_handle_irq(bcsr_csc_base + __ffs(bisr)); enable_irq(irq); } diff --git a/arch/mips/alchemy/devboards/pb1100.c b/arch/mips/alchemy/devboards/pb1100.c index cff50d0..78c77a4 100644 --- a/arch/mips/alchemy/devboards/pb1100.c +++ b/arch/mips/alchemy/devboards/pb1100.c @@ -46,7 +46,7 @@ void __init board_setup(void) alchemy_gpio1_input_enable(); udelay(100); -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +#if IS_ENABLED(CONFIG_USB_OHCI_HCD) { u32 pin_func, sys_freqctrl, sys_clksrc; @@ -93,7 +93,7 @@ void __init board_setup(void) pin_func |= SYS_PF_USB; au_writel(pin_func, SYS_PINFUNC); } -#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ +#endif /* IS_ENABLED(CONFIG_USB_OHCI_HCD) */ /* Enable sys bus clock divider when IDLE state or no bus activity. */ au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL); diff --git a/arch/mips/alchemy/devboards/pb1500.c b/arch/mips/alchemy/devboards/pb1500.c index e7b807b..232fee9 100644 --- a/arch/mips/alchemy/devboards/pb1500.c +++ b/arch/mips/alchemy/devboards/pb1500.c @@ -53,7 +53,7 @@ void __init board_setup(void) alchemy_gpio_direction_input(201); alchemy_gpio_direction_input(203); -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +#if IS_ENABLED(CONFIG_USB_OHCI_HCD) /* Zero and disable FREQ2 */ sys_freqctrl = au_readl(SYS_FREQCTRL0); @@ -87,7 +87,7 @@ void __init board_setup(void) /* 2nd USB port is USB host */ pin_func |= SYS_PF_USB; au_writel(pin_func, SYS_PINFUNC); -#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ +#endif /* IS_ENABLED(CONFIG_USB_OHCI_HCD) */ #ifdef CONFIG_PCI { diff --git a/arch/mips/alchemy/devboards/platform.c b/arch/mips/alchemy/devboards/platform.c index 621f70a..f39042e 100644 --- a/arch/mips/alchemy/devboards/platform.c +++ b/arch/mips/alchemy/devboards/platform.c @@ -10,9 +10,39 @@ #include <linux/platform_device.h> #include <linux/pm.h> +#include <asm/bootinfo.h> #include <asm/reboot.h> +#include <asm/mach-au1x00/au1000.h> #include <asm/mach-db1x00/bcsr.h> +#include <prom.h> + +void __init prom_init(void) +{ + unsigned char *memsize_str; + unsigned long memsize; + + prom_argc = (int)fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; + + prom_init_cmdline(); + memsize_str = prom_getenv("memsize"); + if (!memsize_str || kstrtoul(memsize_str, 0, &memsize)) + memsize = 64 << 20; /* all devboards have at least 64MB RAM */ + + add_memory_region(0, memsize, BOOT_MEM_RAM); +} + +void prom_putchar(unsigned char c) +{ +#ifdef CONFIG_MIPS_DB1300 + alchemy_uart_putchar(AU1300_UART2_PHYS_ADDR, c); +#else + alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c); +#endif +} + static struct platform_device db1x00_rtc_dev = { .name = "rtc-au1xxx", diff --git a/arch/mips/alchemy/devboards/prom.c b/arch/mips/alchemy/devboards/prom.c deleted file mode 100644 index 93a2210..0000000 --- a/arch/mips/alchemy/devboards/prom.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Common code used by all Alchemy develboards. - * - * Extracted from files which had this to say: - * - * Copyright 2000, 2008 MontaVista Software Inc. - * Author: MontaVista Software, Inc. <source@mvista.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <asm/bootinfo.h> -#include <asm/mach-au1x00/au1000.h> -#include <prom.h> - -#if defined(CONFIG_MIPS_DB1000) || \ - defined(CONFIG_MIPS_PB1100) || \ - defined(CONFIG_MIPS_PB1500) -#define ALCHEMY_BOARD_DEFAULT_MEMSIZE 0x04000000 - -#else /* Au1550/Au1200-based develboards */ -#define ALCHEMY_BOARD_DEFAULT_MEMSIZE 0x08000000 -#endif - -void __init prom_init(void) -{ - unsigned char *memsize_str; - unsigned long memsize; - - prom_argc = (int)fw_arg0; - prom_argv = (char **)fw_arg1; - prom_envp = (char **)fw_arg2; - - prom_init_cmdline(); - memsize_str = prom_getenv("memsize"); - if (!memsize_str || strict_strtoul(memsize_str, 0, &memsize)) - memsize = ALCHEMY_BOARD_DEFAULT_MEMSIZE; - - add_memory_region(0, memsize, BOOT_MEM_RAM); -} - -void prom_putchar(unsigned char c) -{ -#ifdef CONFIG_MIPS_DB1300 - alchemy_uart_putchar(AU1300_UART2_PHYS_ADDR, c); -#else - alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c); -#endif -} diff --git a/arch/mips/bcm63xx/Kconfig b/arch/mips/bcm63xx/Kconfig index 6b1b9ad..d03e879 100644 --- a/arch/mips/bcm63xx/Kconfig +++ b/arch/mips/bcm63xx/Kconfig @@ -1,6 +1,10 @@ menu "CPU support" depends on BCM63XX +config BCM63XX_CPU_6328 + bool "support 6328 CPU" + select HW_HAS_PCI + config BCM63XX_CPU_6338 bool "support 6338 CPU" select HW_HAS_PCI diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile index 6dfdc69..833af72 100644 --- a/arch/mips/bcm63xx/Makefile +++ b/arch/mips/bcm63xx/Makefile @@ -1,5 +1,6 @@ obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \ - dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o + dev-dsp.o dev-enet.o dev-flash.o dev-pcmcia.o dev-rng.o \ + dev-spi.o dev-uart.o dev-wdt.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-y += boards/ diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c index 2f1773f..feb0525 100644 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c @@ -11,9 +11,6 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/physmap.h> #include <linux/ssb/ssb.h> #include <asm/addrspace.h> #include <bcm63xx_board.h> @@ -24,7 +21,9 @@ #include <bcm63xx_dev_pci.h> #include <bcm63xx_dev_enet.h> #include <bcm63xx_dev_dsp.h> +#include <bcm63xx_dev_flash.h> #include <bcm63xx_dev_pcmcia.h> +#include <bcm63xx_dev_spi.h> #include <board_bcm963xx.h> #define PFX "board_bcm963xx: " @@ -34,6 +33,48 @@ static unsigned int mac_addr_used; static struct board_info board; /* + * known 6328 boards + */ +#ifdef CONFIG_BCM63XX_CPU_6328 +static struct board_info __initdata board_96328avng = { + .name = "96328avng", + .expected_cpu_id = 0x6328, + + .has_uart0 = 1, + .has_pci = 1, + + .leds = { + { + .name = "96328avng::ppp-fail", + .gpio = 2, + .active_low = 1, + }, + { + .name = "96328avng::power", + .gpio = 4, + .active_low = 1, + .default_trigger = "default-on", + }, + { + .name = "96328avng::power-fail", + .gpio = 8, + .active_low = 1, + }, + { + .name = "96328avng::wps", + .gpio = 9, + .active_low = 1, + }, + { + .name = "96328avng::ppp", + .gpio = 11, + .active_low = 1, + }, + }, +}; +#endif + +/* * known 6338 boards */ #ifdef CONFIG_BCM63XX_CPU_6338 @@ -592,6 +633,9 @@ static struct board_info __initdata board_DWVS0 = { * all boards */ static const struct board_info __initdata *bcm963xx_boards[] = { +#ifdef CONFIG_BCM63XX_CPU_6328 + &board_96328avng, +#endif #ifdef CONFIG_BCM63XX_CPU_6338 &board_96338gw, &board_96338w, @@ -709,9 +753,15 @@ void __init board_prom_init(void) char cfe_version[32]; u32 val; - /* read base address of boot chip select (0) */ - val = bcm_mpi_readl(MPI_CSBASE_REG(0)); - val &= MPI_CSBASE_BASE_MASK; + /* read base address of boot chip select (0) + * 6328 does not have MPI but boots from a fixed address + */ + if (BCMCPU_IS_6328()) + val = 0x18000000; + else { + val = bcm_mpi_readl(MPI_CSBASE_REG(0)); + val &= MPI_CSBASE_BASE_MASK; + } boot_addr = (u8 *)KSEG1ADDR(val); /* dump cfe version */ @@ -808,40 +858,6 @@ void __init board_setup(void) panic("unexpected CPU for bcm963xx board"); } -static struct mtd_partition mtd_partitions[] = { - { - .name = "cfe", - .offset = 0x0, - .size = 0x40000, - } -}; - -static const char *bcm63xx_part_types[] = { "bcm63xxpart", NULL }; - -static struct physmap_flash_data flash_data = { - .width = 2, - .nr_parts = ARRAY_SIZE(mtd_partitions), - .parts = mtd_partitions, - .part_probe_types = bcm63xx_part_types, -}; - -static struct resource mtd_resources[] = { - { - .start = 0, /* filled at runtime */ - .end = 0, /* filled at runtime */ - .flags = IORESOURCE_MEM, - } -}; - -static struct platform_device mtd_dev = { - .name = "physmap-flash", - .resource = mtd_resources, - .num_resources = ARRAY_SIZE(mtd_resources), - .dev = { - .platform_data = &flash_data, - }, -}; - static struct gpio_led_platform_data bcm63xx_led_data; static struct platform_device bcm63xx_gpio_leds = { @@ -855,8 +871,6 @@ static struct platform_device bcm63xx_gpio_leds = { */ int __init board_register_devices(void) { - u32 val; - if (board.has_uart0) bcm63xx_uart_register(0); @@ -890,14 +904,9 @@ int __init board_register_devices(void) } #endif - /* read base address of boot chip select (0) */ - val = bcm_mpi_readl(MPI_CSBASE_REG(0)); - val &= MPI_CSBASE_BASE_MASK; - - mtd_resources[0].start = val; - mtd_resources[0].end = 0x1FFFFFFF; + bcm63xx_spi_register(); - platform_device_register(&mtd_dev); + bcm63xx_flash_register(); bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds); bcm63xx_led_data.leds = board.leds; diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c index 9d57c71..1db48ad 100644 --- a/arch/mips/bcm63xx/clk.c +++ b/arch/mips/bcm63xx/clk.c @@ -120,7 +120,7 @@ static void enetsw_set(struct clk *clk, int enable) { if (!BCMCPU_IS_6368()) return; - bcm_hwclock_set(CKCTL_6368_ROBOSW_CLK_EN | + bcm_hwclock_set(CKCTL_6368_ROBOSW_EN | CKCTL_6368_SWPKT_USB_EN | CKCTL_6368_SWPKT_SAR_EN, enable); if (enable) { @@ -163,7 +163,7 @@ static void usbh_set(struct clk *clk, int enable) if (BCMCPU_IS_6348()) bcm_hwclock_set(CKCTL_6348_USBH_EN, enable); else if (BCMCPU_IS_6368()) - bcm_hwclock_set(CKCTL_6368_USBH_CLK_EN, enable); + bcm_hwclock_set(CKCTL_6368_USBH_EN, enable); } static struct clk clk_usbh = { @@ -181,9 +181,11 @@ static void spi_set(struct clk *clk, int enable) mask = CKCTL_6338_SPI_EN; else if (BCMCPU_IS_6348()) mask = CKCTL_6348_SPI_EN; - else - /* BCMCPU_IS_6358 */ + else if (BCMCPU_IS_6358()) mask = CKCTL_6358_SPI_EN; + else + /* BCMCPU_IS_6368 */ + mask = CKCTL_6368_SPI_EN; bcm_hwclock_set(mask, enable); } @@ -199,7 +201,7 @@ static void xtm_set(struct clk *clk, int enable) if (!BCMCPU_IS_6368()) return; - bcm_hwclock_set(CKCTL_6368_SAR_CLK_EN | + bcm_hwclock_set(CKCTL_6368_SAR_EN | CKCTL_6368_SWPKT_SAR_EN, enable); if (enable) { @@ -222,6 +224,18 @@ static struct clk clk_xtm = { }; /* + * IPsec clock + */ +static void ipsec_set(struct clk *clk, int enable) +{ + bcm_hwclock_set(CKCTL_6368_IPSEC_EN, enable); +} + +static struct clk clk_ipsec = { + .set = ipsec_set, +}; + +/* * Internal peripheral clock */ static struct clk clk_periph = { @@ -278,6 +292,8 @@ struct clk *clk_get(struct device *dev, const char *id) return &clk_periph; if (BCMCPU_IS_6358() && !strcmp(id, "pcm")) return &clk_pcm; + if (BCMCPU_IS_6368() && !strcmp(id, "ipsec")) + return &clk_ipsec; return ERR_PTR(-ENOENT); } diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c index 8f0d6c7..a7afb28 100644 --- a/arch/mips/bcm63xx/cpu.c +++ b/arch/mips/bcm63xx/cpu.c @@ -29,6 +29,14 @@ static u16 bcm63xx_cpu_rev; static unsigned int bcm63xx_cpu_freq; static unsigned int bcm63xx_memory_size; +static const unsigned long bcm6328_regs_base[] = { + __GEN_CPU_REGS_TABLE(6328) +}; + +static const int bcm6328_irqs[] = { + __GEN_CPU_IRQ_TABLE(6328) +}; + static const unsigned long bcm6338_regs_base[] = { __GEN_CPU_REGS_TABLE(6338) }; @@ -99,6 +107,33 @@ unsigned int bcm63xx_get_memory_size(void) static unsigned int detect_cpu_clock(void) { switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + { + unsigned int tmp, mips_pll_fcvo; + + tmp = bcm_misc_readl(MISC_STRAPBUS_6328_REG); + mips_pll_fcvo = (tmp & STRAPBUS_6328_FCVO_MASK) + >> STRAPBUS_6328_FCVO_SHIFT; + + switch (mips_pll_fcvo) { + case 0x12: + case 0x14: + case 0x19: + return 160000000; + case 0x1c: + return 192000000; + case 0x13: + case 0x15: + return 200000000; + case 0x1a: + return 384000000; + case 0x16: + return 400000000; + default: + return 320000000; + } + + } case BCM6338_CPU_ID: /* BCM6338 has a fixed 240 Mhz frequency */ return 240000000; @@ -170,6 +205,9 @@ static unsigned int detect_memory_size(void) unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0; u32 val; + if (BCMCPU_IS_6328()) + return bcm_ddr_readl(DDR_CSEND_REG) << 24; + if (BCMCPU_IS_6345()) { val = bcm_sdram_readl(SDRAM_MBASE_REG); return (val * 8 * 1024 * 1024); @@ -228,17 +266,26 @@ void __init bcm63xx_cpu_init(void) bcm63xx_irqs = bcm6345_irqs; break; case CPU_BMIPS4350: - switch (read_c0_prid() & 0xf0) { - case 0x10: + if ((read_c0_prid() & 0xf0) == 0x10) { expected_cpu_id = BCM6358_CPU_ID; bcm63xx_regs_base = bcm6358_regs_base; bcm63xx_irqs = bcm6358_irqs; - break; - case 0x30: - expected_cpu_id = BCM6368_CPU_ID; - bcm63xx_regs_base = bcm6368_regs_base; - bcm63xx_irqs = bcm6368_irqs; - break; + } else { + /* all newer chips have the same chip id location */ + u16 chip_id = bcm_readw(BCM_6368_PERF_BASE); + + switch (chip_id) { + case BCM6328_CPU_ID: + expected_cpu_id = BCM6328_CPU_ID; + bcm63xx_regs_base = bcm6328_regs_base; + bcm63xx_irqs = bcm6328_irqs; + break; + case BCM6368_CPU_ID: + expected_cpu_id = BCM6368_CPU_ID; + bcm63xx_regs_base = bcm6368_regs_base; + bcm63xx_irqs = bcm6368_irqs; + break; + } } break; } diff --git a/arch/mips/bcm63xx/dev-dsp.c b/arch/mips/bcm63xx/dev-dsp.c index da46d1d..5bb5b15 100644 --- a/arch/mips/bcm63xx/dev-dsp.c +++ b/arch/mips/bcm63xx/dev-dsp.c @@ -31,7 +31,7 @@ static struct resource voip_dsp_resources[] = { static struct platform_device bcm63xx_voip_dsp_device = { .name = "bcm63xx-voip-dsp", - .id = 0, + .id = -1, .num_resources = ARRAY_SIZE(voip_dsp_resources), .resource = voip_dsp_resources, }; diff --git a/arch/mips/bcm63xx/dev-flash.c b/arch/mips/bcm63xx/dev-flash.c new file mode 100644 index 0000000..58371c7 --- /dev/null +++ b/arch/mips/bcm63xx/dev-flash.c @@ -0,0 +1,123 @@ +/* + * Broadcom BCM63xx flash registration + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr> + * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2012 Jonas Gorski <jonas.gorski@gmail.com> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> + +#include <bcm63xx_cpu.h> +#include <bcm63xx_dev_flash.h> +#include <bcm63xx_regs.h> +#include <bcm63xx_io.h> + +static struct mtd_partition mtd_partitions[] = { + { + .name = "cfe", + .offset = 0x0, + .size = 0x40000, + } +}; + +static const char *bcm63xx_part_types[] = { "bcm63xxpart", NULL }; + +static struct physmap_flash_data flash_data = { + .width = 2, + .parts = mtd_partitions, + .part_probe_types = bcm63xx_part_types, +}; + +static struct resource mtd_resources[] = { + { + .start = 0, /* filled at runtime */ + .end = 0, /* filled at runtime */ + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device mtd_dev = { + .name = "physmap-flash", + .resource = mtd_resources, + .num_resources = ARRAY_SIZE(mtd_resources), + .dev = { + .platform_data = &flash_data, + }, +}; + +static int __init bcm63xx_detect_flash_type(void) +{ + u32 val; + + switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + val = bcm_misc_readl(MISC_STRAPBUS_6328_REG); + if (val & STRAPBUS_6328_BOOT_SEL_SERIAL) + return BCM63XX_FLASH_TYPE_SERIAL; + else + return BCM63XX_FLASH_TYPE_NAND; + case BCM6338_CPU_ID: + case BCM6345_CPU_ID: + case BCM6348_CPU_ID: + /* no way to auto detect so assume parallel */ + return BCM63XX_FLASH_TYPE_PARALLEL; + case BCM6358_CPU_ID: + val = bcm_gpio_readl(GPIO_STRAPBUS_REG); + if (val & STRAPBUS_6358_BOOT_SEL_PARALLEL) + return BCM63XX_FLASH_TYPE_PARALLEL; + else + return BCM63XX_FLASH_TYPE_SERIAL; + case BCM6368_CPU_ID: + val = bcm_gpio_readl(GPIO_STRAPBUS_REG); + switch (val & STRAPBUS_6368_BOOT_SEL_MASK) { + case STRAPBUS_6368_BOOT_SEL_NAND: + return BCM63XX_FLASH_TYPE_NAND; + case STRAPBUS_6368_BOOT_SEL_SERIAL: + return BCM63XX_FLASH_TYPE_SERIAL; + case STRAPBUS_6368_BOOT_SEL_PARALLEL: + return BCM63XX_FLASH_TYPE_PARALLEL; + } + default: + return -EINVAL; + } +} + +int __init bcm63xx_flash_register(void) +{ + int flash_type; + u32 val; + + flash_type = bcm63xx_detect_flash_type(); + + switch (flash_type) { + case BCM63XX_FLASH_TYPE_PARALLEL: + /* read base address of boot chip select (0) */ + val = bcm_mpi_readl(MPI_CSBASE_REG(0)); + val &= MPI_CSBASE_BASE_MASK; + + mtd_resources[0].start = val; + mtd_resources[0].end = 0x1FFFFFFF; + + return platform_device_register(&mtd_dev); + case BCM63XX_FLASH_TYPE_SERIAL: + pr_warn("unsupported serial flash detected\n"); + return -ENODEV; + case BCM63XX_FLASH_TYPE_NAND: + pr_warn("unsupported NAND flash detected\n"); + return -ENODEV; + default: + pr_err("flash detection failed for BCM%x: %d\n", + bcm63xx_get_cpu_id(), flash_type); + return -ENODEV; + } +} diff --git a/arch/mips/bcm63xx/dev-rng.c b/arch/mips/bcm63xx/dev-rng.c new file mode 100644 index 0000000..d277b4d --- /dev/null +++ b/arch/mips/bcm63xx/dev-rng.c @@ -0,0 +1,40 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2011 Florian Fainelli <florian@openwrt.org> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <bcm63xx_cpu.h> + +static struct resource rng_resources[] = { + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device bcm63xx_rng_device = { + .name = "bcm63xx-rng", + .id = -1, + .num_resources = ARRAY_SIZE(rng_resources), + .resource = rng_resources, +}; + +int __init bcm63xx_rng_register(void) +{ + if (!BCMCPU_IS_6368()) + return -ENODEV; + + rng_resources[0].start = bcm63xx_regset_address(RSET_RNG); + rng_resources[0].end = rng_resources[0].start; + rng_resources[0].end += RSET_RNG_SIZE - 1; + + return platform_device_register(&bcm63xx_rng_device); +} +arch_initcall(bcm63xx_rng_register); diff --git a/arch/mips/bcm63xx/dev-spi.c b/arch/mips/bcm63xx/dev-spi.c new file mode 100644 index 0000000..e39f730 --- /dev/null +++ b/arch/mips/bcm63xx/dev-spi.c @@ -0,0 +1,119 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2009-2011 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2010 Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/export.h> +#include <linux/platform_device.h> +#include <linux/err.h> +#include <linux/clk.h> + +#include <bcm63xx_cpu.h> +#include <bcm63xx_dev_spi.h> +#include <bcm63xx_regs.h> + +#ifdef BCMCPU_RUNTIME_DETECT +/* + * register offsets + */ +static const unsigned long bcm6338_regs_spi[] = { + __GEN_SPI_REGS_TABLE(6338) +}; + +static const unsigned long bcm6348_regs_spi[] = { + __GEN_SPI_REGS_TABLE(6348) +}; + +static const unsigned long bcm6358_regs_spi[] = { + __GEN_SPI_REGS_TABLE(6358) +}; + +static const unsigned long bcm6368_regs_spi[] = { + __GEN_SPI_REGS_TABLE(6368) +}; + +const unsigned long *bcm63xx_regs_spi; +EXPORT_SYMBOL(bcm63xx_regs_spi); + +static __init void bcm63xx_spi_regs_init(void) +{ + if (BCMCPU_IS_6338()) + bcm63xx_regs_spi = bcm6338_regs_spi; + if (BCMCPU_IS_6348()) + bcm63xx_regs_spi = bcm6348_regs_spi; + if (BCMCPU_IS_6358()) + bcm63xx_regs_spi = bcm6358_regs_spi; + if (BCMCPU_IS_6368()) + bcm63xx_regs_spi = bcm6368_regs_spi; +} +#else +static __init void bcm63xx_spi_regs_init(void) { } +#endif + +static struct resource spi_resources[] = { + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, + { + .start = -1, /* filled at runtime */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct bcm63xx_spi_pdata spi_pdata = { + .bus_num = 0, + .num_chipselect = 8, +}; + +static struct platform_device bcm63xx_spi_device = { + .name = "bcm63xx-spi", + .id = -1, + .num_resources = ARRAY_SIZE(spi_resources), + .resource = spi_resources, + .dev = { + .platform_data = &spi_pdata, + }, +}; + +int __init bcm63xx_spi_register(void) +{ + struct clk *periph_clk; + + if (BCMCPU_IS_6328() || BCMCPU_IS_6345()) + return -ENODEV; + + periph_clk = clk_get(NULL, "periph"); + if (IS_ERR(periph_clk)) { + pr_err("unable to get periph clock\n"); + return -ENODEV; + } + + /* Set bus frequency */ + spi_pdata.speed_hz = clk_get_rate(periph_clk); + + spi_resources[0].start = bcm63xx_regset_address(RSET_SPI); + spi_resources[0].end = spi_resources[0].start; + spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI); + + if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) { + spi_resources[0].end += BCM_6338_RSET_SPI_SIZE - 1; + spi_pdata.fifo_size = SPI_6338_MSG_DATA_SIZE; + } + + if (BCMCPU_IS_6358() || BCMCPU_IS_6368()) { + spi_resources[0].end += BCM_6358_RSET_SPI_SIZE - 1; + spi_pdata.fifo_size = SPI_6358_MSG_DATA_SIZE; + } + + bcm63xx_spi_regs_init(); + + return platform_device_register(&bcm63xx_spi_device); +} diff --git a/arch/mips/bcm63xx/dev-wdt.c b/arch/mips/bcm63xx/dev-wdt.c index 3e6c716..2a2346a 100644 --- a/arch/mips/bcm63xx/dev-wdt.c +++ b/arch/mips/bcm63xx/dev-wdt.c @@ -21,7 +21,7 @@ static struct resource wdt_resources[] = { static struct platform_device bcm63xx_wdt_device = { .name = "bcm63xx-wdt", - .id = 0, + .id = -1, .num_resources = ARRAY_SIZE(wdt_resources), .resource = wdt_resources, }; diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c index 9a216a4..18e051a 100644 --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -27,6 +27,17 @@ static void __internal_irq_unmask_32(unsigned int irq) __maybe_unused; static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused; #ifndef BCMCPU_RUNTIME_DETECT +#ifdef CONFIG_BCM63XX_CPU_6328 +#define irq_stat_reg PERF_IRQSTAT_6328_REG +#define irq_mask_reg PERF_IRQMASK_6328_REG +#define irq_bits 64 +#define is_ext_irq_cascaded 1 +#define ext_irq_start (BCM_6328_EXT_IRQ0 - IRQ_INTERNAL_BASE) +#define ext_irq_end (BCM_6328_EXT_IRQ3 - IRQ_INTERNAL_BASE) +#define ext_irq_count 4 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6328 +#define ext_irq_cfg_reg2 0 +#endif #ifdef CONFIG_BCM63XX_CPU_6338 #define irq_stat_reg PERF_IRQSTAT_6338_REG #define irq_mask_reg PERF_IRQMASK_6338_REG @@ -118,6 +129,16 @@ static void bcm63xx_init_irq(void) irq_mask_addr = bcm63xx_regset_address(RSET_PERF); switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6328_REG; + irq_mask_addr += PERF_IRQMASK_6328_REG; + irq_bits = 64; + ext_irq_count = 4; + is_ext_irq_cascaded = 1; + ext_irq_start = BCM_6328_EXT_IRQ0 - IRQ_INTERNAL_BASE; + ext_irq_end = BCM_6328_EXT_IRQ3 - IRQ_INTERNAL_BASE; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6328; + break; case BCM6338_CPU_ID: irq_stat_addr += PERF_IRQSTAT_6338_REG; irq_mask_addr += PERF_IRQMASK_6338_REG; diff --git a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c index 99d7f40..10eaff4 100644 --- a/arch/mips/bcm63xx/prom.c +++ b/arch/mips/bcm63xx/prom.c @@ -26,7 +26,9 @@ void __init prom_init(void) bcm_wdt_writel(WDT_STOP_2, WDT_CTL_REG); /* disable all hardware blocks clock for now */ - if (BCMCPU_IS_6338()) + if (BCMCPU_IS_6328()) + mask = CKCTL_6328_ALL_SAFE_EN; + else if (BCMCPU_IS_6338()) mask = CKCTL_6338_ALL_SAFE_EN; else if (BCMCPU_IS_6345()) mask = CKCTL_6345_ALL_SAFE_EN; diff --git a/arch/mips/bcm63xx/setup.c b/arch/mips/bcm63xx/setup.c index 356b055..0e74a13 100644 --- a/arch/mips/bcm63xx/setup.c +++ b/arch/mips/bcm63xx/setup.c @@ -68,6 +68,9 @@ void bcm63xx_machine_reboot(void) /* mask and clear all external irq */ switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + perf_regs[0] = PERF_EXTIRQ_CFG_REG_6328; + break; case BCM6338_CPU_ID: perf_regs[0] = PERF_EXTIRQ_CFG_REG_6338; break; @@ -95,9 +98,13 @@ void bcm63xx_machine_reboot(void) bcm6348_a1_reboot(); printk(KERN_INFO "triggering watchdog soft-reset...\n"); - reg = bcm_perf_readl(PERF_SYS_PLL_CTL_REG); - reg |= SYS_PLL_SOFT_RESET; - bcm_perf_writel(reg, PERF_SYS_PLL_CTL_REG); + if (BCMCPU_IS_6328()) { + bcm_wdt_writel(1, WDT_SOFTRESET_REG); + } else { + reg = bcm_perf_readl(PERF_SYS_PLL_CTL_REG); + reg |= SYS_PLL_SOFT_RESET; + bcm_perf_writel(reg, PERF_SYS_PLL_CTL_REG); + } while (1) ; } diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index 5042d51..c2a3fb0 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -58,8 +58,12 @@ $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE # Calculate the load address of the compressed kernel image hostprogs-y := calc_vmlinuz_load_addr +ifeq ($(CONFIG_MACH_JZ4740),y) +VMLINUZ_LOAD_ADDRESS := 0x80600000 +else VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS)) +endif vmlinuzobjs-y += $(obj)/piggy.o diff --git a/arch/mips/boot/compressed/uart-16550.c b/arch/mips/boot/compressed/uart-16550.c index c9caaf4..1c7b739b 100644 --- a/arch/mips/boot/compressed/uart-16550.c +++ b/arch/mips/boot/compressed/uart-16550.c @@ -18,6 +18,11 @@ #define PORT(offset) (CKSEG1ADDR(AR7_REGS_UART0) + (4 * offset)) #endif +#ifdef CONFIG_MACH_JZ4740 +#define UART0_BASE 0xB0030000 +#define PORT(offset) (UART0_BASE + (4 * offset)) +#endif + #ifndef PORT #error please define the serial port address for your own machine #endif diff --git a/arch/mips/cavium-octeon/.gitignore b/arch/mips/cavium-octeon/.gitignore new file mode 100644 index 0000000..39c9686 --- /dev/null +++ b/arch/mips/cavium-octeon/.gitignore @@ -0,0 +1,2 @@ +*.dtb.S +*.dtb diff --git a/arch/mips/cavium-octeon/Makefile b/arch/mips/cavium-octeon/Makefile index 19eb043..bc96e29 100644 --- a/arch/mips/cavium-octeon/Makefile +++ b/arch/mips/cavium-octeon/Makefile @@ -9,9 +9,25 @@ # Copyright (C) 2005-2009 Cavium Networks # +CFLAGS_octeon-platform.o = -I$(src)/../../../scripts/dtc/libfdt +CFLAGS_setup.o = -I$(src)/../../../scripts/dtc/libfdt + obj-y := cpu.o setup.o serial.o octeon-platform.o octeon-irq.o csrc-octeon.o obj-y += dma-octeon.o flash_setup.o obj-y += octeon-memcpy.o obj-y += executive/ obj-$(CONFIG_SMP) += smp.o + +DTS_FILES = octeon_3xxx.dts octeon_68xx.dts +DTB_FILES = $(patsubst %.dts, %.dtb, $(DTS_FILES)) + +obj-y += $(patsubst %.dts, %.dtb.o, $(DTS_FILES)) + +$(obj)/%.dtb: $(src)/%.dts FORCE + $(call if_changed_dep,dtc) + +# Let's keep the .dtb files around in case we want to look at them. +.SECONDARY: $(addprefix $(obj)/, $(DTB_FILES)) + +clean-files += $(DTB_FILES) $(patsubst %.dtb, %.dtb.S, $(DTB_FILES)) diff --git a/arch/mips/cavium-octeon/executive/cvmx-fpa.c b/arch/mips/cavium-octeon/executive/cvmx-fpa.c deleted file mode 100644 index ad44b8b..0000000 --- a/arch/mips/cavium-octeon/executive/cvmx-fpa.c +++ /dev/null @@ -1,183 +0,0 @@ -/***********************license start*************** - * Author: Cavium Networks - * - * Contact: support@caviumnetworks.com - * This file is part of the OCTEON SDK - * - * Copyright (c) 2003-2008 Cavium Networks - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, Version 2, as - * published by the Free Software Foundation. - * - * This file is distributed in the hope that it will be useful, but - * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or - * NONINFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this file; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * or visit http://www.gnu.org/licenses/. - * - * This file may also be available under a different license from Cavium. - * Contact Cavium Networks for more information - ***********************license end**************************************/ - -/** - * @file - * - * Support library for the hardware Free Pool Allocator. - * - * - */ - -#include "cvmx-config.h" -#include "cvmx.h" -#include "cvmx-fpa.h" -#include "cvmx-ipd.h" - -/** - * Current state of all the pools. Use access functions - * instead of using it directly. - */ -CVMX_SHARED cvmx_fpa_pool_info_t cvmx_fpa_pool_info[CVMX_FPA_NUM_POOLS]; - -/** - * Setup a FPA pool to control a new block of memory. The - * buffer pointer must be a physical address. - * - * @pool: Pool to initialize - * 0 <= pool < 8 - * @name: Constant character string to name this pool. - * String is not copied. - * @buffer: Pointer to the block of memory to use. This must be - * accessible by all processors and external hardware. - * @block_size: Size for each block controlled by the FPA - * @num_blocks: Number of blocks - * - * Returns 0 on Success, - * -1 on failure - */ -int cvmx_fpa_setup_pool(uint64_t pool, const char *name, void *buffer, - uint64_t block_size, uint64_t num_blocks) -{ - char *ptr; - if (!buffer) { - cvmx_dprintf - ("ERROR: cvmx_fpa_setup_pool: NULL buffer pointer!\n"); - return -1; - } - if (pool >= CVMX_FPA_NUM_POOLS) { - cvmx_dprintf("ERROR: cvmx_fpa_setup_pool: Illegal pool!\n"); - return -1; - } - - if (block_size < CVMX_FPA_MIN_BLOCK_SIZE) { - cvmx_dprintf - ("ERROR: cvmx_fpa_setup_pool: Block size too small.\n"); - return -1; - } - - if (((unsigned long)buffer & (CVMX_FPA_ALIGNMENT - 1)) != 0) { - cvmx_dprintf - ("ERROR: cvmx_fpa_setup_pool: Buffer not aligned properly.\n"); - return -1; - } - - cvmx_fpa_pool_info[pool].name = name; - cvmx_fpa_pool_info[pool].size = block_size; - cvmx_fpa_pool_info[pool].starting_element_count = num_blocks; - cvmx_fpa_pool_info[pool].base = buffer; - - ptr = (char *)buffer; - while (num_blocks--) { - cvmx_fpa_free(ptr, pool, 0); - ptr += block_size; - } - return 0; -} - -/** - * Shutdown a Memory pool and validate that it had all of - * the buffers originally placed in it. - * - * @pool: Pool to shutdown - * Returns Zero on success - * - Positive is count of missing buffers - * - Negative is too many buffers or corrupted pointers - */ -uint64_t cvmx_fpa_shutdown_pool(uint64_t pool) -{ - uint64_t errors = 0; - uint64_t count = 0; - uint64_t base = cvmx_ptr_to_phys(cvmx_fpa_pool_info[pool].base); - uint64_t finish = - base + - cvmx_fpa_pool_info[pool].size * - cvmx_fpa_pool_info[pool].starting_element_count; - void *ptr; - uint64_t address; - - count = 0; - do { - ptr = cvmx_fpa_alloc(pool); - if (ptr) - address = cvmx_ptr_to_phys(ptr); - else - address = 0; - if (address) { - if ((address >= base) && (address < finish) && - (((address - - base) % cvmx_fpa_pool_info[pool].size) == 0)) { - count++; - } else { - cvmx_dprintf - ("ERROR: cvmx_fpa_shutdown_pool: Illegal address 0x%llx in pool %s(%d)\n", - (unsigned long long)address, - cvmx_fpa_pool_info[pool].name, (int)pool); - errors++; - } - } - } while (address); - -#ifdef CVMX_ENABLE_PKO_FUNCTIONS - if (pool == 0) - cvmx_ipd_free_ptr(); -#endif - - if (errors) { - cvmx_dprintf - ("ERROR: cvmx_fpa_shutdown_pool: Pool %s(%d) started at 0x%llx, ended at 0x%llx, with a step of 0x%llx\n", - cvmx_fpa_pool_info[pool].name, (int)pool, - (unsigned long long)base, (unsigned long long)finish, - (unsigned long long)cvmx_fpa_pool_info[pool].size); - return -errors; - } else - return 0; -} - -uint64_t cvmx_fpa_get_block_size(uint64_t pool) -{ - switch (pool) { - case 0: - return CVMX_FPA_POOL_0_SIZE; - case 1: - return CVMX_FPA_POOL_1_SIZE; - case 2: - return CVMX_FPA_POOL_2_SIZE; - case 3: - return CVMX_FPA_POOL_3_SIZE; - case 4: - return CVMX_FPA_POOL_4_SIZE; - case 5: - return CVMX_FPA_POOL_5_SIZE; - case 6: - return CVMX_FPA_POOL_6_SIZE; - case 7: - return CVMX_FPA_POOL_7_SIZE; - default: - return 0; - } -} diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-fpa.c b/arch/mips/cavium-octeon/executive/cvmx-helper-fpa.c deleted file mode 100644 index c239e5f..0000000 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-fpa.c +++ /dev/null @@ -1,243 +0,0 @@ -/***********************license start*************** - * Author: Cavium Networks - * - * Contact: support@caviumnetworks.com - * This file is part of the OCTEON SDK - * - * Copyright (c) 2003-2008 Cavium Networks - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, Version 2, as - * published by the Free Software Foundation. - * - * This file is distributed in the hope that it will be useful, but - * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or - * NONINFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this file; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * or visit http://www.gnu.org/licenses/. - * - * This file may also be available under a different license from Cavium. - * Contact Cavium Networks for more information - ***********************license end**************************************/ - -/** - * @file - * - * Helper functions for FPA setup. - * - */ -#include "executive-config.h" -#include "cvmx-config.h" -#include "cvmx.h" -#include "cvmx-bootmem.h" -#include "cvmx-fpa.h" -#include "cvmx-helper-fpa.h" - -/** - * Allocate memory for and initialize a single FPA pool. - * - * @pool: Pool to initialize - * @buffer_size: Size of buffers to allocate in bytes - * @buffers: Number of buffers to put in the pool. Zero is allowed - * @name: String name of the pool for debugging purposes - * Returns Zero on success, non-zero on failure - */ -static int __cvmx_helper_initialize_fpa_pool(int pool, uint64_t buffer_size, - uint64_t buffers, const char *name) -{ - uint64_t current_num; - void *memory; - uint64_t align = CVMX_CACHE_LINE_SIZE; - - /* - * Align the allocation so that power of 2 size buffers are - * naturally aligned. - */ - while (align < buffer_size) - align = align << 1; - - if (buffers == 0) - return 0; - - current_num = cvmx_read_csr(CVMX_FPA_QUEX_AVAILABLE(pool)); - if (current_num) { - cvmx_dprintf("Fpa pool %d(%s) already has %llu buffers. " - "Skipping setup.\n", - pool, name, (unsigned long long)current_num); - return 0; - } - - memory = cvmx_bootmem_alloc(buffer_size * buffers, align); - if (memory == NULL) { - cvmx_dprintf("Out of memory initializing fpa pool %d(%s).\n", - pool, name); - return -1; - } - cvmx_fpa_setup_pool(pool, name, memory, buffer_size, buffers); - return 0; -} - -/** - * Allocate memory and initialize the FPA pools using memory - * from cvmx-bootmem. Specifying zero for the number of - * buffers will cause that FPA pool to not be setup. This is - * useful if you aren't using some of the hardware and want - * to save memory. Use cvmx_helper_initialize_fpa instead of - * this function directly. - * - * @pip_pool: Should always be CVMX_FPA_PACKET_POOL - * @pip_size: Should always be CVMX_FPA_PACKET_POOL_SIZE - * @pip_buffers: - * Number of packet buffers. - * @wqe_pool: Should always be CVMX_FPA_WQE_POOL - * @wqe_size: Should always be CVMX_FPA_WQE_POOL_SIZE - * @wqe_entries: - * Number of work queue entries - * @pko_pool: Should always be CVMX_FPA_OUTPUT_BUFFER_POOL - * @pko_size: Should always be CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE - * @pko_buffers: - * PKO Command buffers. You should at minimum have two per - * each PKO queue. - * @tim_pool: Should always be CVMX_FPA_TIMER_POOL - * @tim_size: Should always be CVMX_FPA_TIMER_POOL_SIZE - * @tim_buffers: - * TIM ring buffer command queues. At least two per timer bucket - * is recommened. - * @dfa_pool: Should always be CVMX_FPA_DFA_POOL - * @dfa_size: Should always be CVMX_FPA_DFA_POOL_SIZE - * @dfa_buffers: - * DFA command buffer. A relatively small (32 for example) - * number should work. - * Returns Zero on success, non-zero if out of memory - */ -static int __cvmx_helper_initialize_fpa(int pip_pool, int pip_size, - int pip_buffers, int wqe_pool, - int wqe_size, int wqe_entries, - int pko_pool, int pko_size, - int pko_buffers, int tim_pool, - int tim_size, int tim_buffers, - int dfa_pool, int dfa_size, - int dfa_buffers) -{ - int status; - - cvmx_fpa_enable(); - - if ((pip_buffers > 0) && (pip_buffers <= 64)) - cvmx_dprintf - ("Warning: %d packet buffers may not be enough for hardware" - " prefetch. 65 or more is recommended.\n", pip_buffers); - - if (pip_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(pip_pool, pip_size, - pip_buffers, - "Packet Buffers"); - if (status) - return status; - } - - if (wqe_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(wqe_pool, wqe_size, - wqe_entries, - "Work Queue Entries"); - if (status) - return status; - } - - if (pko_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(pko_pool, pko_size, - pko_buffers, - "PKO Command Buffers"); - if (status) - return status; - } - - if (tim_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(tim_pool, tim_size, - tim_buffers, - "TIM Command Buffers"); - if (status) - return status; - } - - if (dfa_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(dfa_pool, dfa_size, - dfa_buffers, - "DFA Command Buffers"); - if (status) - return status; - } - - return 0; -} - -/** - * Allocate memory and initialize the FPA pools using memory - * from cvmx-bootmem. Sizes of each element in the pools is - * controlled by the cvmx-config.h header file. Specifying - * zero for any parameter will cause that FPA pool to not be - * setup. This is useful if you aren't using some of the - * hardware and want to save memory. - * - * @packet_buffers: - * Number of packet buffers to allocate - * @work_queue_entries: - * Number of work queue entries - * @pko_buffers: - * PKO Command buffers. You should at minimum have two per - * each PKO queue. - * @tim_buffers: - * TIM ring buffer command queues. At least two per timer bucket - * is recommened. - * @dfa_buffers: - * DFA command buffer. A relatively small (32 for example) - * number should work. - * Returns Zero on success, non-zero if out of memory - */ -int cvmx_helper_initialize_fpa(int packet_buffers, int work_queue_entries, - int pko_buffers, int tim_buffers, - int dfa_buffers) -{ -#ifndef CVMX_FPA_PACKET_POOL -#define CVMX_FPA_PACKET_POOL -1 -#define CVMX_FPA_PACKET_POOL_SIZE 0 -#endif -#ifndef CVMX_FPA_WQE_POOL -#define CVMX_FPA_WQE_POOL -1 -#define CVMX_FPA_WQE_POOL_SIZE 0 -#endif -#ifndef CVMX_FPA_OUTPUT_BUFFER_POOL -#define CVMX_FPA_OUTPUT_BUFFER_POOL -1 -#define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE 0 -#endif -#ifndef CVMX_FPA_TIMER_POOL -#define CVMX_FPA_TIMER_POOL -1 -#define CVMX_FPA_TIMER_POOL_SIZE 0 -#endif -#ifndef CVMX_FPA_DFA_POOL -#define CVMX_FPA_DFA_POOL -1 -#define CVMX_FPA_DFA_POOL_SIZE 0 -#endif - return __cvmx_helper_initialize_fpa(CVMX_FPA_PACKET_POOL, - CVMX_FPA_PACKET_POOL_SIZE, - packet_buffers, CVMX_FPA_WQE_POOL, - CVMX_FPA_WQE_POOL_SIZE, - work_queue_entries, - CVMX_FPA_OUTPUT_BUFFER_POOL, - CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, - pko_buffers, CVMX_FPA_TIMER_POOL, - CVMX_FPA_TIMER_POOL_SIZE, - tim_buffers, CVMX_FPA_DFA_POOL, - CVMX_FPA_DFA_POOL_SIZE, - dfa_buffers); -} diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c index ffd4ae6..7fb1f22 100644 --- a/arch/mips/cavium-octeon/octeon-irq.c +++ b/arch/mips/cavium-octeon/octeon-irq.c @@ -3,14 +3,17 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2004-2008, 2009, 2010, 2011 Cavium Networks + * Copyright (C) 2004-2012 Cavium, Inc. */ #include <linux/interrupt.h> +#include <linux/irqdomain.h> #include <linux/bitops.h> #include <linux/percpu.h> +#include <linux/slab.h> #include <linux/irq.h> #include <linux/smp.h> +#include <linux/of.h> #include <asm/octeon/octeon.h> @@ -42,9 +45,9 @@ struct octeon_core_chip_data { static struct octeon_core_chip_data octeon_irq_core_chip_data[MIPS_CORE_IRQ_LINES]; -static void __init octeon_irq_set_ciu_mapping(int irq, int line, int bit, - struct irq_chip *chip, - irq_flow_handler_t handler) +static void octeon_irq_set_ciu_mapping(int irq, int line, int bit, + struct irq_chip *chip, + irq_flow_handler_t handler) { union octeon_ciu_chip_data cd; @@ -505,6 +508,85 @@ static void octeon_irq_ciu_enable_all_v2(struct irq_data *data) } } +static void octeon_irq_gpio_setup(struct irq_data *data) +{ + union cvmx_gpio_bit_cfgx cfg; + union octeon_ciu_chip_data cd; + u32 t = irqd_get_trigger_type(data); + + cd.p = irq_data_get_irq_chip_data(data); + + cfg.u64 = 0; + cfg.s.int_en = 1; + cfg.s.int_type = (t & IRQ_TYPE_EDGE_BOTH) != 0; + cfg.s.rx_xor = (t & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_EDGE_FALLING)) != 0; + + /* 140 nS glitch filter*/ + cfg.s.fil_cnt = 7; + cfg.s.fil_sel = 3; + + cvmx_write_csr(CVMX_GPIO_BIT_CFGX(cd.s.bit - 16), cfg.u64); +} + +static void octeon_irq_ciu_enable_gpio_v2(struct irq_data *data) +{ + octeon_irq_gpio_setup(data); + octeon_irq_ciu_enable_v2(data); +} + +static void octeon_irq_ciu_enable_gpio(struct irq_data *data) +{ + octeon_irq_gpio_setup(data); + octeon_irq_ciu_enable(data); +} + +static int octeon_irq_ciu_gpio_set_type(struct irq_data *data, unsigned int t) +{ + irqd_set_trigger_type(data, t); + octeon_irq_gpio_setup(data); + + return IRQ_SET_MASK_OK; +} + +static void octeon_irq_ciu_disable_gpio_v2(struct irq_data *data) +{ + union octeon_ciu_chip_data cd; + + cd.p = irq_data_get_irq_chip_data(data); + cvmx_write_csr(CVMX_GPIO_BIT_CFGX(cd.s.bit - 16), 0); + + octeon_irq_ciu_disable_all_v2(data); +} + +static void octeon_irq_ciu_disable_gpio(struct irq_data *data) +{ + union octeon_ciu_chip_data cd; + + cd.p = irq_data_get_irq_chip_data(data); + cvmx_write_csr(CVMX_GPIO_BIT_CFGX(cd.s.bit - 16), 0); + + octeon_irq_ciu_disable_all(data); +} + +static void octeon_irq_ciu_gpio_ack(struct irq_data *data) +{ + union octeon_ciu_chip_data cd; + u64 mask; + + cd.p = irq_data_get_irq_chip_data(data); + mask = 1ull << (cd.s.bit - 16); + + cvmx_write_csr(CVMX_GPIO_INT_CLR, mask); +} + +static void octeon_irq_handle_gpio(unsigned int irq, struct irq_desc *desc) +{ + if (irqd_get_trigger_type(irq_desc_get_irq_data(desc)) & IRQ_TYPE_EDGE_BOTH) + handle_edge_irq(irq, desc); + else + handle_level_irq(irq, desc); +} + #ifdef CONFIG_SMP static void octeon_irq_cpu_offline_ciu(struct irq_data *data) @@ -650,18 +732,6 @@ static struct irq_chip octeon_irq_chip_ciu_v2 = { .name = "CIU", .irq_enable = octeon_irq_ciu_enable_v2, .irq_disable = octeon_irq_ciu_disable_all_v2, - .irq_mask = octeon_irq_ciu_disable_local_v2, - .irq_unmask = octeon_irq_ciu_enable_v2, -#ifdef CONFIG_SMP - .irq_set_affinity = octeon_irq_ciu_set_affinity_v2, - .irq_cpu_offline = octeon_irq_cpu_offline_ciu, -#endif -}; - -static struct irq_chip octeon_irq_chip_ciu_edge_v2 = { - .name = "CIU-E", - .irq_enable = octeon_irq_ciu_enable_v2, - .irq_disable = octeon_irq_ciu_disable_all_v2, .irq_ack = octeon_irq_ciu_ack, .irq_mask = octeon_irq_ciu_disable_local_v2, .irq_unmask = octeon_irq_ciu_enable_v2, @@ -675,19 +745,8 @@ static struct irq_chip octeon_irq_chip_ciu = { .name = "CIU", .irq_enable = octeon_irq_ciu_enable, .irq_disable = octeon_irq_ciu_disable_all, - .irq_mask = octeon_irq_dummy_mask, -#ifdef CONFIG_SMP - .irq_set_affinity = octeon_irq_ciu_set_affinity, - .irq_cpu_offline = octeon_irq_cpu_offline_ciu, -#endif -}; - -static struct irq_chip octeon_irq_chip_ciu_edge = { - .name = "CIU-E", - .irq_enable = octeon_irq_ciu_enable, - .irq_disable = octeon_irq_ciu_disable_all, - .irq_mask = octeon_irq_dummy_mask, .irq_ack = octeon_irq_ciu_ack, + .irq_mask = octeon_irq_dummy_mask, #ifdef CONFIG_SMP .irq_set_affinity = octeon_irq_ciu_set_affinity, .irq_cpu_offline = octeon_irq_cpu_offline_ciu, @@ -717,6 +776,33 @@ static struct irq_chip octeon_irq_chip_ciu_mbox = { .flags = IRQCHIP_ONOFFLINE_ENABLED, }; +static struct irq_chip octeon_irq_chip_ciu_gpio_v2 = { + .name = "CIU-GPIO", + .irq_enable = octeon_irq_ciu_enable_gpio_v2, + .irq_disable = octeon_irq_ciu_disable_gpio_v2, + .irq_ack = octeon_irq_ciu_gpio_ack, + .irq_mask = octeon_irq_ciu_disable_local_v2, + .irq_unmask = octeon_irq_ciu_enable_v2, + .irq_set_type = octeon_irq_ciu_gpio_set_type, +#ifdef CONFIG_SMP + .irq_set_affinity = octeon_irq_ciu_set_affinity_v2, +#endif + .flags = IRQCHIP_SET_TYPE_MASKED, +}; + +static struct irq_chip octeon_irq_chip_ciu_gpio = { + .name = "CIU-GPIO", + .irq_enable = octeon_irq_ciu_enable_gpio, + .irq_disable = octeon_irq_ciu_disable_gpio, + .irq_mask = octeon_irq_dummy_mask, + .irq_ack = octeon_irq_ciu_gpio_ack, + .irq_set_type = octeon_irq_ciu_gpio_set_type, +#ifdef CONFIG_SMP + .irq_set_affinity = octeon_irq_ciu_set_affinity, +#endif + .flags = IRQCHIP_SET_TYPE_MASKED, +}; + /* * Watchdog interrupts are special. They are associated with a single * core, so we hardwire the affinity to that core. @@ -764,6 +850,178 @@ static struct irq_chip octeon_irq_chip_ciu_wd = { .irq_mask = octeon_irq_dummy_mask, }; +static bool octeon_irq_ciu_is_edge(unsigned int line, unsigned int bit) +{ + bool edge = false; + + if (line == 0) + switch (bit) { + case 48 ... 49: /* GMX DRP */ + case 50: /* IPD_DRP */ + case 52 ... 55: /* Timers */ + case 58: /* MPI */ + edge = true; + break; + default: + break; + } + else /* line == 1 */ + switch (bit) { + case 47: /* PTP */ + edge = true; + break; + default: + break; + } + return edge; +} + +struct octeon_irq_gpio_domain_data { + unsigned int base_hwirq; +}; + +static int octeon_irq_gpio_xlat(struct irq_domain *d, + struct device_node *node, + const u32 *intspec, + unsigned int intsize, + unsigned long *out_hwirq, + unsigned int *out_type) +{ + unsigned int type; + unsigned int pin; + unsigned int trigger; + struct octeon_irq_gpio_domain_data *gpiod; + + if (d->of_node != node) + return -EINVAL; + + if (intsize < 2) + return -EINVAL; + + pin = intspec[0]; + if (pin >= 16) + return -EINVAL; + + trigger = intspec[1]; + + switch (trigger) { + case 1: + type = IRQ_TYPE_EDGE_RISING; + break; + case 2: + type = IRQ_TYPE_EDGE_FALLING; + break; + case 4: + type = IRQ_TYPE_LEVEL_HIGH; + break; + case 8: + type = IRQ_TYPE_LEVEL_LOW; + break; + default: + pr_err("Error: (%s) Invalid irq trigger specification: %x\n", + node->name, + trigger); + type = IRQ_TYPE_LEVEL_LOW; + break; + } + *out_type = type; + gpiod = d->host_data; + *out_hwirq = gpiod->base_hwirq + pin; + + return 0; +} + +static int octeon_irq_ciu_xlat(struct irq_domain *d, + struct device_node *node, + const u32 *intspec, + unsigned int intsize, + unsigned long *out_hwirq, + unsigned int *out_type) +{ + unsigned int ciu, bit; + + ciu = intspec[0]; + bit = intspec[1]; + + if (ciu > 1 || bit > 63) + return -EINVAL; + + /* These are the GPIO lines */ + if (ciu == 0 && bit >= 16 && bit < 32) + return -EINVAL; + + *out_hwirq = (ciu << 6) | bit; + *out_type = 0; + + return 0; +} + +static struct irq_chip *octeon_irq_ciu_chip; +static struct irq_chip *octeon_irq_gpio_chip; + +static bool octeon_irq_virq_in_range(unsigned int virq) +{ + /* We cannot let it overflow the mapping array. */ + if (virq < (1ul << 8 * sizeof(octeon_irq_ciu_to_irq[0][0]))) + return true; + + WARN_ONCE(true, "virq out of range %u.\n", virq); + return false; +} + +static int octeon_irq_ciu_map(struct irq_domain *d, + unsigned int virq, irq_hw_number_t hw) +{ + unsigned int line = hw >> 6; + unsigned int bit = hw & 63; + + if (!octeon_irq_virq_in_range(virq)) + return -EINVAL; + + if (line > 1 || octeon_irq_ciu_to_irq[line][bit] != 0) + return -EINVAL; + + if (octeon_irq_ciu_is_edge(line, bit)) + octeon_irq_set_ciu_mapping(virq, line, bit, + octeon_irq_ciu_chip, + handle_edge_irq); + else + octeon_irq_set_ciu_mapping(virq, line, bit, + octeon_irq_ciu_chip, + handle_level_irq); + + return 0; +} + +static int octeon_irq_gpio_map(struct irq_domain *d, + unsigned int virq, irq_hw_number_t hw) +{ + unsigned int line = hw >> 6; + unsigned int bit = hw & 63; + + if (!octeon_irq_virq_in_range(virq)) + return -EINVAL; + + if (line > 1 || octeon_irq_ciu_to_irq[line][bit] != 0) + return -EINVAL; + + octeon_irq_set_ciu_mapping(virq, line, bit, + octeon_irq_gpio_chip, + octeon_irq_handle_gpio); + + return 0; +} + +static struct irq_domain_ops octeon_irq_domain_ciu_ops = { + .map = octeon_irq_ciu_map, + .xlate = octeon_irq_ciu_xlat, +}; + +static struct irq_domain_ops octeon_irq_domain_gpio_ops = { + .map = octeon_irq_gpio_map, + .xlate = octeon_irq_gpio_xlat, +}; + static void octeon_irq_ip2_v1(void) { const unsigned long core_id = cvmx_get_core_num(); @@ -887,9 +1145,10 @@ static void __init octeon_irq_init_ciu(void) { unsigned int i; struct irq_chip *chip; - struct irq_chip *chip_edge; struct irq_chip *chip_mbox; struct irq_chip *chip_wd; + struct device_node *gpio_node; + struct device_node *ciu_node; octeon_irq_init_ciu_percpu(); octeon_irq_setup_secondary = octeon_irq_setup_secondary_ciu; @@ -901,17 +1160,18 @@ static void __init octeon_irq_init_ciu(void) octeon_irq_ip2 = octeon_irq_ip2_v2; octeon_irq_ip3 = octeon_irq_ip3_v2; chip = &octeon_irq_chip_ciu_v2; - chip_edge = &octeon_irq_chip_ciu_edge_v2; chip_mbox = &octeon_irq_chip_ciu_mbox_v2; chip_wd = &octeon_irq_chip_ciu_wd_v2; + octeon_irq_gpio_chip = &octeon_irq_chip_ciu_gpio_v2; } else { octeon_irq_ip2 = octeon_irq_ip2_v1; octeon_irq_ip3 = octeon_irq_ip3_v1; chip = &octeon_irq_chip_ciu; - chip_edge = &octeon_irq_chip_ciu_edge; chip_mbox = &octeon_irq_chip_ciu_mbox; chip_wd = &octeon_irq_chip_ciu_wd; + octeon_irq_gpio_chip = &octeon_irq_chip_ciu_gpio; } + octeon_irq_ciu_chip = chip; octeon_irq_ip4 = octeon_irq_ip4_mask; /* Mips internal */ @@ -920,80 +1180,49 @@ static void __init octeon_irq_init_ciu(void) /* CIU_0 */ for (i = 0; i < 16; i++) octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_WORKQ0, 0, i + 0, chip, handle_level_irq); - for (i = 0; i < 16; i++) - octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_GPIO0, 0, i + 16, chip, handle_level_irq); octeon_irq_set_ciu_mapping(OCTEON_IRQ_MBOX0, 0, 32, chip_mbox, handle_percpu_irq); octeon_irq_set_ciu_mapping(OCTEON_IRQ_MBOX1, 0, 33, chip_mbox, handle_percpu_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_UART0, 0, 34, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_UART1, 0, 35, chip, handle_level_irq); - for (i = 0; i < 4; i++) octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_PCI_INT0, 0, i + 36, chip, handle_level_irq); for (i = 0; i < 4; i++) octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_PCI_MSI0, 0, i + 40, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_TWSI, 0, 45, chip, handle_level_irq); octeon_irq_set_ciu_mapping(OCTEON_IRQ_RML, 0, 46, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_TRACE0, 0, 47, chip, handle_level_irq); - - for (i = 0; i < 2; i++) - octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_GMX_DRP0, 0, i + 48, chip_edge, handle_edge_irq); - - octeon_irq_set_ciu_mapping(OCTEON_IRQ_IPD_DRP, 0, 50, chip_edge, handle_edge_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_KEY_ZERO, 0, 51, chip_edge, handle_edge_irq); - for (i = 0; i < 4; i++) - octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_TIMER0, 0, i + 52, chip_edge, handle_edge_irq); + octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_TIMER0, 0, i + 52, chip, handle_edge_irq); octeon_irq_set_ciu_mapping(OCTEON_IRQ_USB0, 0, 56, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_PCM, 0, 57, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_MPI, 0, 58, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_TWSI2, 0, 59, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_POWIQ, 0, 60, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_IPDPPTHR, 0, 61, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_MII0, 0, 62, chip, handle_level_irq); octeon_irq_set_ciu_mapping(OCTEON_IRQ_BOOTDMA, 0, 63, chip, handle_level_irq); /* CIU_1 */ for (i = 0; i < 16; i++) octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_WDOG0, 1, i + 0, chip_wd, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_UART2, 1, 16, chip, handle_level_irq); octeon_irq_set_ciu_mapping(OCTEON_IRQ_USB1, 1, 17, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_MII1, 1, 18, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_NAND, 1, 19, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_MIO, 1, 20, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_IOB, 1, 21, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_FPA, 1, 22, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_POW, 1, 23, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_L2C, 1, 24, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_IPD, 1, 25, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_PIP, 1, 26, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_PKO, 1, 27, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_ZIP, 1, 28, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_TIM, 1, 29, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_RAD, 1, 30, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_KEY, 1, 31, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_DFA, 1, 32, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_USBCTL, 1, 33, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_SLI, 1, 34, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_DPI, 1, 35, chip, handle_level_irq); - - octeon_irq_set_ciu_mapping(OCTEON_IRQ_AGX0, 1, 36, chip, handle_level_irq); - - octeon_irq_set_ciu_mapping(OCTEON_IRQ_AGL, 1, 46, chip, handle_level_irq); - - octeon_irq_set_ciu_mapping(OCTEON_IRQ_PTP, 1, 47, chip_edge, handle_edge_irq); - - octeon_irq_set_ciu_mapping(OCTEON_IRQ_PEM0, 1, 48, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_PEM1, 1, 49, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_SRIO0, 1, 50, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_SRIO1, 1, 51, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_LMC0, 1, 52, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_DFM, 1, 56, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_RST, 1, 63, chip, handle_level_irq); + + gpio_node = of_find_compatible_node(NULL, NULL, "cavium,octeon-3860-gpio"); + if (gpio_node) { + struct octeon_irq_gpio_domain_data *gpiod; + + gpiod = kzalloc(sizeof(*gpiod), GFP_KERNEL); + if (gpiod) { + /* gpio domain host_data is the base hwirq number. */ + gpiod->base_hwirq = 16; + irq_domain_add_linear(gpio_node, 16, &octeon_irq_domain_gpio_ops, gpiod); + of_node_put(gpio_node); + } else + pr_warn("Cannot allocate memory for GPIO irq_domain.\n"); + } else + pr_warn("Cannot find device node for cavium,octeon-3860-gpio.\n"); + + ciu_node = of_find_compatible_node(NULL, NULL, "cavium,octeon-3860-ciu"); + if (ciu_node) { + irq_domain_add_tree(ciu_node, &octeon_irq_domain_ciu_ops, NULL); + of_node_put(ciu_node); + } else + pr_warn("Cannot find device node for cavium,octeon-3860-ciu.\n"); /* Enable the CIU lines */ set_c0_status(STATUSF_IP3 | STATUSF_IP2); diff --git a/arch/mips/cavium-octeon/octeon-memcpy.S b/arch/mips/cavium-octeon/octeon-memcpy.S index 88e0cdd..db478db 100644 --- a/arch/mips/cavium-octeon/octeon-memcpy.S +++ b/arch/mips/cavium-octeon/octeon-memcpy.S @@ -164,6 +164,14 @@ .set noat /* + * t7 is used as a flag to note inatomic mode. + */ +LEAF(__copy_user_inatomic) + b __copy_user_common + li t7, 1 + END(__copy_user_inatomic) + +/* * A combined memcpy/__copy_user * __copy_user sets len to 0 for success; else to an upper bound of * the number of uncopied bytes. @@ -174,6 +182,8 @@ LEAF(memcpy) /* a0=dst a1=src a2=len */ move v0, dst /* return value */ __memcpy: FEXPORT(__copy_user) + li t7, 0 /* not inatomic */ +__copy_user_common: /* * Note: dst & src may be unaligned, len may be 0 * Temps @@ -412,7 +422,6 @@ l_exc_copy: * Assumes src < THREAD_BUADDR($28) */ LOAD t0, TI_TASK($28) - nop LOAD t0, THREAD_BUADDR(t0) 1: EXC( lb t1, 0(src), l_exc) @@ -422,10 +431,9 @@ EXC( lb t1, 0(src), l_exc) ADD dst, dst, 1 l_exc: LOAD t0, TI_TASK($28) - nop LOAD t0, THREAD_BUADDR(t0) # t0 is just past last good address - nop SUB len, AT, t0 # len number of uncopied bytes + bnez t7, 2f /* Skip the zeroing out part if inatomic */ /* * Here's where we rely on src and dst being incremented in tandem, * See (3) above. @@ -443,7 +451,7 @@ l_exc: ADD dst, dst, 1 bnez src, 1b SUB src, src, 1 - jr ra +2: jr ra nop diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c index cd61d72..0938df1 100644 --- a/arch/mips/cavium-octeon/octeon-platform.c +++ b/arch/mips/cavium-octeon/octeon-platform.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2004-2010 Cavium Networks + * Copyright (C) 2004-2011 Cavium Networks * Copyright (C) 2008 Wind River Systems */ @@ -13,10 +13,16 @@ #include <linux/usb.h> #include <linux/dma-mapping.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/platform_device.h> +#include <linux/of_platform.h> +#include <linux/of_fdt.h> +#include <linux/libfdt.h> #include <asm/octeon/octeon.h> #include <asm/octeon/cvmx-rnm-defs.h> +#include <asm/octeon/cvmx-helper.h> +#include <asm/octeon/cvmx-helper-board.h> static struct octeon_cf_data octeon_cf_data; @@ -162,182 +168,6 @@ out: } device_initcall(octeon_rng_device_init); -static struct i2c_board_info __initdata octeon_i2c_devices[] = { - { - I2C_BOARD_INFO("ds1337", 0x68), - }, -}; - -static int __init octeon_i2c_devices_init(void) -{ - return i2c_register_board_info(0, octeon_i2c_devices, - ARRAY_SIZE(octeon_i2c_devices)); -} -arch_initcall(octeon_i2c_devices_init); - -#define OCTEON_I2C_IO_BASE 0x1180000001000ull -#define OCTEON_I2C_IO_UNIT_OFFSET 0x200 - -static struct octeon_i2c_data octeon_i2c_data[2]; - -static int __init octeon_i2c_device_init(void) -{ - struct platform_device *pd; - int ret = 0; - int port, num_ports; - - struct resource i2c_resources[] = { - { - .flags = IORESOURCE_MEM, - }, { - .flags = IORESOURCE_IRQ, - } - }; - - if (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX)) - num_ports = 2; - else - num_ports = 1; - - for (port = 0; port < num_ports; port++) { - octeon_i2c_data[port].sys_freq = octeon_get_io_clock_rate(); - /*FIXME: should be examined. At the moment is set for 100Khz */ - octeon_i2c_data[port].i2c_freq = 100000; - - pd = platform_device_alloc("i2c-octeon", port); - if (!pd) { - ret = -ENOMEM; - goto out; - } - - pd->dev.platform_data = octeon_i2c_data + port; - - i2c_resources[0].start = - OCTEON_I2C_IO_BASE + (port * OCTEON_I2C_IO_UNIT_OFFSET); - i2c_resources[0].end = i2c_resources[0].start + 0x1f; - switch (port) { - case 0: - i2c_resources[1].start = OCTEON_IRQ_TWSI; - i2c_resources[1].end = OCTEON_IRQ_TWSI; - break; - case 1: - i2c_resources[1].start = OCTEON_IRQ_TWSI2; - i2c_resources[1].end = OCTEON_IRQ_TWSI2; - break; - default: - BUG(); - } - - ret = platform_device_add_resources(pd, - i2c_resources, - ARRAY_SIZE(i2c_resources)); - if (ret) - goto fail; - - ret = platform_device_add(pd); - if (ret) - goto fail; - } - return ret; -fail: - platform_device_put(pd); -out: - return ret; -} -device_initcall(octeon_i2c_device_init); - -/* Octeon SMI/MDIO interface. */ -static int __init octeon_mdiobus_device_init(void) -{ - struct platform_device *pd; - int ret = 0; - - if (octeon_is_simulation()) - return 0; /* No mdio in the simulator. */ - - /* The bus number is the platform_device id. */ - pd = platform_device_alloc("mdio-octeon", 0); - if (!pd) { - ret = -ENOMEM; - goto out; - } - - ret = platform_device_add(pd); - if (ret) - goto fail; - - return ret; -fail: - platform_device_put(pd); - -out: - return ret; - -} -device_initcall(octeon_mdiobus_device_init); - -/* Octeon mgmt port Ethernet interface. */ -static int __init octeon_mgmt_device_init(void) -{ - struct platform_device *pd; - int ret = 0; - int port, num_ports; - - struct resource mgmt_port_resource = { - .flags = IORESOURCE_IRQ, - .start = -1, - .end = -1 - }; - - if (!OCTEON_IS_MODEL(OCTEON_CN56XX) && !OCTEON_IS_MODEL(OCTEON_CN52XX)) - return 0; - - if (OCTEON_IS_MODEL(OCTEON_CN56XX)) - num_ports = 1; - else - num_ports = 2; - - for (port = 0; port < num_ports; port++) { - pd = platform_device_alloc("octeon_mgmt", port); - if (!pd) { - ret = -ENOMEM; - goto out; - } - /* No DMA restrictions */ - pd->dev.coherent_dma_mask = DMA_BIT_MASK(64); - pd->dev.dma_mask = &pd->dev.coherent_dma_mask; - - switch (port) { - case 0: - mgmt_port_resource.start = OCTEON_IRQ_MII0; - break; - case 1: - mgmt_port_resource.start = OCTEON_IRQ_MII1; - break; - default: - BUG(); - } - mgmt_port_resource.end = mgmt_port_resource.start; - - ret = platform_device_add_resources(pd, &mgmt_port_resource, 1); - - if (ret) - goto fail; - - ret = platform_device_add(pd); - if (ret) - goto fail; - } - return ret; -fail: - platform_device_put(pd); - -out: - return ret; - -} -device_initcall(octeon_mgmt_device_init); - #ifdef CONFIG_USB static int __init octeon_ehci_device_init(void) @@ -440,6 +270,521 @@ device_initcall(octeon_ohci_device_init); #endif /* CONFIG_USB */ +static struct of_device_id __initdata octeon_ids[] = { + { .compatible = "simple-bus", }, + { .compatible = "cavium,octeon-6335-uctl", }, + { .compatible = "cavium,octeon-3860-bootbus", }, + { .compatible = "cavium,mdio-mux", }, + { .compatible = "gpio-leds", }, + {}, +}; + +static bool __init octeon_has_88e1145(void) +{ + return !OCTEON_IS_MODEL(OCTEON_CN52XX) && + !OCTEON_IS_MODEL(OCTEON_CN6XXX) && + !OCTEON_IS_MODEL(OCTEON_CN56XX); +} + +static void __init octeon_fdt_set_phy(int eth, int phy_addr) +{ + const __be32 *phy_handle; + const __be32 *alt_phy_handle; + const __be32 *reg; + u32 phandle; + int phy; + int alt_phy; + const char *p; + int current_len; + char new_name[20]; + + phy_handle = fdt_getprop(initial_boot_params, eth, "phy-handle", NULL); + if (!phy_handle) + return; + + phandle = be32_to_cpup(phy_handle); + phy = fdt_node_offset_by_phandle(initial_boot_params, phandle); + + alt_phy_handle = fdt_getprop(initial_boot_params, eth, "cavium,alt-phy-handle", NULL); + if (alt_phy_handle) { + u32 alt_phandle = be32_to_cpup(alt_phy_handle); + alt_phy = fdt_node_offset_by_phandle(initial_boot_params, alt_phandle); + } else { + alt_phy = -1; + } + + if (phy_addr < 0 || phy < 0) { + /* Delete the PHY things */ + fdt_nop_property(initial_boot_params, eth, "phy-handle"); + /* This one may fail */ + fdt_nop_property(initial_boot_params, eth, "cavium,alt-phy-handle"); + if (phy >= 0) + fdt_nop_node(initial_boot_params, phy); + if (alt_phy >= 0) + fdt_nop_node(initial_boot_params, alt_phy); + return; + } + + if (phy_addr >= 256 && alt_phy > 0) { + const struct fdt_property *phy_prop; + struct fdt_property *alt_prop; + u32 phy_handle_name; + + /* Use the alt phy node instead.*/ + phy_prop = fdt_get_property(initial_boot_params, eth, "phy-handle", NULL); + phy_handle_name = phy_prop->nameoff; + fdt_nop_node(initial_boot_params, phy); + fdt_nop_property(initial_boot_params, eth, "phy-handle"); + alt_prop = fdt_get_property_w(initial_boot_params, eth, "cavium,alt-phy-handle", NULL); + alt_prop->nameoff = phy_handle_name; + phy = alt_phy; + } + + phy_addr &= 0xff; + + if (octeon_has_88e1145()) { + fdt_nop_property(initial_boot_params, phy, "marvell,reg-init"); + memset(new_name, 0, sizeof(new_name)); + strcpy(new_name, "marvell,88e1145"); + p = fdt_getprop(initial_boot_params, phy, "compatible", + ¤t_len); + if (p && current_len >= strlen(new_name)) + fdt_setprop_inplace(initial_boot_params, phy, + "compatible", new_name, current_len); + } + + reg = fdt_getprop(initial_boot_params, phy, "reg", NULL); + if (phy_addr == be32_to_cpup(reg)) + return; + + fdt_setprop_inplace_cell(initial_boot_params, phy, "reg", phy_addr); + + snprintf(new_name, sizeof(new_name), "ethernet-phy@%x", phy_addr); + + p = fdt_get_name(initial_boot_params, phy, ¤t_len); + if (p && current_len == strlen(new_name)) + fdt_set_name(initial_boot_params, phy, new_name); + else + pr_err("Error: could not rename ethernet phy: <%s>", p); +} + +static void __init octeon_fdt_set_mac_addr(int n, u64 *pmac) +{ + u8 new_mac[6]; + u64 mac = *pmac; + int r; + + new_mac[0] = (mac >> 40) & 0xff; + new_mac[1] = (mac >> 32) & 0xff; + new_mac[2] = (mac >> 24) & 0xff; + new_mac[3] = (mac >> 16) & 0xff; + new_mac[4] = (mac >> 8) & 0xff; + new_mac[5] = mac & 0xff; + + r = fdt_setprop_inplace(initial_boot_params, n, "local-mac-address", + new_mac, sizeof(new_mac)); + + if (r) { + pr_err("Setting \"local-mac-address\" failed %d", r); + return; + } + *pmac = mac + 1; +} + +static void __init octeon_fdt_rm_ethernet(int node) +{ + const __be32 *phy_handle; + + phy_handle = fdt_getprop(initial_boot_params, node, "phy-handle", NULL); + if (phy_handle) { + u32 ph = be32_to_cpup(phy_handle); + int p = fdt_node_offset_by_phandle(initial_boot_params, ph); + if (p >= 0) + fdt_nop_node(initial_boot_params, p); + } + fdt_nop_node(initial_boot_params, node); +} + +static void __init octeon_fdt_pip_port(int iface, int i, int p, int max, u64 *pmac) +{ + char name_buffer[20]; + int eth; + int phy_addr; + int ipd_port; + + snprintf(name_buffer, sizeof(name_buffer), "ethernet@%x", p); + eth = fdt_subnode_offset(initial_boot_params, iface, name_buffer); + if (eth < 0) + return; + if (p > max) { + pr_debug("Deleting port %x:%x\n", i, p); + octeon_fdt_rm_ethernet(eth); + return; + } + if (OCTEON_IS_MODEL(OCTEON_CN68XX)) + ipd_port = (0x100 * i) + (0x10 * p) + 0x800; + else + ipd_port = 16 * i + p; + + phy_addr = cvmx_helper_board_get_mii_address(ipd_port); + octeon_fdt_set_phy(eth, phy_addr); + octeon_fdt_set_mac_addr(eth, pmac); +} + +static void __init octeon_fdt_pip_iface(int pip, int idx, u64 *pmac) +{ + char name_buffer[20]; + int iface; + int p; + int count; + + count = cvmx_helper_interface_enumerate(idx); + + snprintf(name_buffer, sizeof(name_buffer), "interface@%d", idx); + iface = fdt_subnode_offset(initial_boot_params, pip, name_buffer); + if (iface < 0) + return; + + for (p = 0; p < 16; p++) + octeon_fdt_pip_port(iface, idx, p, count - 1, pmac); +} + +int __init octeon_prune_device_tree(void) +{ + int i, max_port, uart_mask; + const char *pip_path; + const char *alias_prop; + char name_buffer[20]; + int aliases; + u64 mac_addr_base; + + if (fdt_check_header(initial_boot_params)) + panic("Corrupt Device Tree."); + + aliases = fdt_path_offset(initial_boot_params, "/aliases"); + if (aliases < 0) { + pr_err("Error: No /aliases node in device tree."); + return -EINVAL; + } + + + mac_addr_base = + ((octeon_bootinfo->mac_addr_base[0] & 0xffull)) << 40 | + ((octeon_bootinfo->mac_addr_base[1] & 0xffull)) << 32 | + ((octeon_bootinfo->mac_addr_base[2] & 0xffull)) << 24 | + ((octeon_bootinfo->mac_addr_base[3] & 0xffull)) << 16 | + ((octeon_bootinfo->mac_addr_base[4] & 0xffull)) << 8 | + (octeon_bootinfo->mac_addr_base[5] & 0xffull); + + if (OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN63XX)) + max_port = 2; + else if (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN68XX)) + max_port = 1; + else + max_port = 0; + + if (octeon_bootinfo->board_type == CVMX_BOARD_TYPE_NIC10E) + max_port = 0; + + for (i = 0; i < 2; i++) { + int mgmt; + snprintf(name_buffer, sizeof(name_buffer), + "mix%d", i); + alias_prop = fdt_getprop(initial_boot_params, aliases, + name_buffer, NULL); + if (alias_prop) { + mgmt = fdt_path_offset(initial_boot_params, alias_prop); + if (mgmt < 0) + continue; + if (i >= max_port) { + pr_debug("Deleting mix%d\n", i); + octeon_fdt_rm_ethernet(mgmt); + fdt_nop_property(initial_boot_params, aliases, + name_buffer); + } else { + int phy_addr = cvmx_helper_board_get_mii_address(CVMX_HELPER_BOARD_MGMT_IPD_PORT + i); + octeon_fdt_set_phy(mgmt, phy_addr); + octeon_fdt_set_mac_addr(mgmt, &mac_addr_base); + } + } + } + + pip_path = fdt_getprop(initial_boot_params, aliases, "pip", NULL); + if (pip_path) { + int pip = fdt_path_offset(initial_boot_params, pip_path); + if (pip >= 0) + for (i = 0; i <= 4; i++) + octeon_fdt_pip_iface(pip, i, &mac_addr_base); + } + + /* I2C */ + if (OCTEON_IS_MODEL(OCTEON_CN52XX) || + OCTEON_IS_MODEL(OCTEON_CN63XX) || + OCTEON_IS_MODEL(OCTEON_CN68XX) || + OCTEON_IS_MODEL(OCTEON_CN56XX)) + max_port = 2; + else + max_port = 1; + + for (i = 0; i < 2; i++) { + int i2c; + snprintf(name_buffer, sizeof(name_buffer), + "twsi%d", i); + alias_prop = fdt_getprop(initial_boot_params, aliases, + name_buffer, NULL); + + if (alias_prop) { + i2c = fdt_path_offset(initial_boot_params, alias_prop); + if (i2c < 0) + continue; + if (i >= max_port) { + pr_debug("Deleting twsi%d\n", i); + fdt_nop_node(initial_boot_params, i2c); + fdt_nop_property(initial_boot_params, aliases, + name_buffer); + } + } + } + + /* SMI/MDIO */ + if (OCTEON_IS_MODEL(OCTEON_CN68XX)) + max_port = 4; + else if (OCTEON_IS_MODEL(OCTEON_CN52XX) || + OCTEON_IS_MODEL(OCTEON_CN63XX) || + OCTEON_IS_MODEL(OCTEON_CN56XX)) + max_port = 2; + else + max_port = 1; + + for (i = 0; i < 2; i++) { + int i2c; + snprintf(name_buffer, sizeof(name_buffer), + "smi%d", i); + alias_prop = fdt_getprop(initial_boot_params, aliases, + name_buffer, NULL); + + if (alias_prop) { + i2c = fdt_path_offset(initial_boot_params, alias_prop); + if (i2c < 0) + continue; + if (i >= max_port) { + pr_debug("Deleting smi%d\n", i); + fdt_nop_node(initial_boot_params, i2c); + fdt_nop_property(initial_boot_params, aliases, + name_buffer); + } + } + } + + /* Serial */ + uart_mask = 3; + + /* Right now CN52XX is the only chip with a third uart */ + if (OCTEON_IS_MODEL(OCTEON_CN52XX)) + uart_mask |= 4; /* uart2 */ + + for (i = 0; i < 3; i++) { + int uart; + snprintf(name_buffer, sizeof(name_buffer), + "uart%d", i); + alias_prop = fdt_getprop(initial_boot_params, aliases, + name_buffer, NULL); + + if (alias_prop) { + uart = fdt_path_offset(initial_boot_params, alias_prop); + if (uart_mask & (1 << i)) + continue; + pr_debug("Deleting uart%d\n", i); + fdt_nop_node(initial_boot_params, uart); + fdt_nop_property(initial_boot_params, aliases, + name_buffer); + } + } + + /* Compact Flash */ + alias_prop = fdt_getprop(initial_boot_params, aliases, + "cf0", NULL); + if (alias_prop) { + union cvmx_mio_boot_reg_cfgx mio_boot_reg_cfg; + unsigned long base_ptr, region_base, region_size; + unsigned long region1_base = 0; + unsigned long region1_size = 0; + int cs, bootbus; + bool is_16bit = false; + bool is_true_ide = false; + __be32 new_reg[6]; + __be32 *ranges; + int len; + + int cf = fdt_path_offset(initial_boot_params, alias_prop); + base_ptr = 0; + if (octeon_bootinfo->major_version == 1 + && octeon_bootinfo->minor_version >= 1) { + if (octeon_bootinfo->compact_flash_common_base_addr) + base_ptr = octeon_bootinfo->compact_flash_common_base_addr; + } else { + base_ptr = 0x1d000800; + } + + if (!base_ptr) + goto no_cf; + + /* Find CS0 region. */ + for (cs = 0; cs < 8; cs++) { + mio_boot_reg_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(cs)); + region_base = mio_boot_reg_cfg.s.base << 16; + region_size = (mio_boot_reg_cfg.s.size + 1) << 16; + if (mio_boot_reg_cfg.s.en && base_ptr >= region_base + && base_ptr < region_base + region_size) { + is_16bit = mio_boot_reg_cfg.s.width; + break; + } + } + if (cs >= 7) { + /* cs and cs + 1 are CS0 and CS1, both must be less than 8. */ + goto no_cf; + } + + if (!(base_ptr & 0xfffful)) { + /* + * Boot loader signals availability of DMA (true_ide + * mode) by setting low order bits of base_ptr to + * zero. + */ + + /* Asume that CS1 immediately follows. */ + mio_boot_reg_cfg.u64 = + cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(cs + 1)); + region1_base = mio_boot_reg_cfg.s.base << 16; + region1_size = (mio_boot_reg_cfg.s.size + 1) << 16; + if (!mio_boot_reg_cfg.s.en) + goto no_cf; + is_true_ide = true; + + } else { + fdt_nop_property(initial_boot_params, cf, "cavium,true-ide"); + fdt_nop_property(initial_boot_params, cf, "cavium,dma-engine-handle"); + if (!is_16bit) { + __be32 width = cpu_to_be32(8); + fdt_setprop_inplace(initial_boot_params, cf, + "cavium,bus-width", &width, sizeof(width)); + } + } + new_reg[0] = cpu_to_be32(cs); + new_reg[1] = cpu_to_be32(0); + new_reg[2] = cpu_to_be32(0x10000); + new_reg[3] = cpu_to_be32(cs + 1); + new_reg[4] = cpu_to_be32(0); + new_reg[5] = cpu_to_be32(0x10000); + fdt_setprop_inplace(initial_boot_params, cf, + "reg", new_reg, sizeof(new_reg)); + + bootbus = fdt_parent_offset(initial_boot_params, cf); + if (bootbus < 0) + goto no_cf; + ranges = fdt_getprop_w(initial_boot_params, bootbus, "ranges", &len); + if (!ranges || len < (5 * 8 * sizeof(__be32))) + goto no_cf; + + ranges[(cs * 5) + 2] = cpu_to_be32(region_base >> 32); + ranges[(cs * 5) + 3] = cpu_to_be32(region_base & 0xffffffff); + ranges[(cs * 5) + 4] = cpu_to_be32(region_size); + if (is_true_ide) { + cs++; + ranges[(cs * 5) + 2] = cpu_to_be32(region1_base >> 32); + ranges[(cs * 5) + 3] = cpu_to_be32(region1_base & 0xffffffff); + ranges[(cs * 5) + 4] = cpu_to_be32(region1_size); + } + goto end_cf; +no_cf: + fdt_nop_node(initial_boot_params, cf); + +end_cf: + ; + } + + /* 8 char LED */ + alias_prop = fdt_getprop(initial_boot_params, aliases, + "led0", NULL); + if (alias_prop) { + union cvmx_mio_boot_reg_cfgx mio_boot_reg_cfg; + unsigned long base_ptr, region_base, region_size; + int cs, bootbus; + __be32 new_reg[6]; + __be32 *ranges; + int len; + int led = fdt_path_offset(initial_boot_params, alias_prop); + + base_ptr = octeon_bootinfo->led_display_base_addr; + if (base_ptr == 0) + goto no_led; + /* Find CS0 region. */ + for (cs = 0; cs < 8; cs++) { + mio_boot_reg_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(cs)); + region_base = mio_boot_reg_cfg.s.base << 16; + region_size = (mio_boot_reg_cfg.s.size + 1) << 16; + if (mio_boot_reg_cfg.s.en && base_ptr >= region_base + && base_ptr < region_base + region_size) + break; + } + + if (cs > 7) + goto no_led; + + new_reg[0] = cpu_to_be32(cs); + new_reg[1] = cpu_to_be32(0x20); + new_reg[2] = cpu_to_be32(0x20); + new_reg[3] = cpu_to_be32(cs); + new_reg[4] = cpu_to_be32(0); + new_reg[5] = cpu_to_be32(0x20); + fdt_setprop_inplace(initial_boot_params, led, + "reg", new_reg, sizeof(new_reg)); + + bootbus = fdt_parent_offset(initial_boot_params, led); + if (bootbus < 0) + goto no_led; + ranges = fdt_getprop_w(initial_boot_params, bootbus, "ranges", &len); + if (!ranges || len < (5 * 8 * sizeof(__be32))) + goto no_led; + + ranges[(cs * 5) + 2] = cpu_to_be32(region_base >> 32); + ranges[(cs * 5) + 3] = cpu_to_be32(region_base & 0xffffffff); + ranges[(cs * 5) + 4] = cpu_to_be32(region_size); + goto end_led; + +no_led: + fdt_nop_node(initial_boot_params, led); +end_led: + ; + } + + /* OHCI/UHCI USB */ + alias_prop = fdt_getprop(initial_boot_params, aliases, + "uctl", NULL); + if (alias_prop) { + int uctl = fdt_path_offset(initial_boot_params, alias_prop); + + if (uctl >= 0 && (!OCTEON_IS_MODEL(OCTEON_CN6XXX) || + octeon_bootinfo->board_type == CVMX_BOARD_TYPE_NIC2E)) { + pr_debug("Deleting uctl\n"); + fdt_nop_node(initial_boot_params, uctl); + fdt_nop_property(initial_boot_params, aliases, "uctl"); + } else if (octeon_bootinfo->board_type == CVMX_BOARD_TYPE_NIC10E || + octeon_bootinfo->board_type == CVMX_BOARD_TYPE_NIC4E) { + /* Missing "refclk-type" defaults to crystal. */ + fdt_nop_property(initial_boot_params, uctl, "refclk-type"); + } + } + + return 0; +} + +static int __init octeon_publish_devices(void) +{ + return of_platform_bus_probe(NULL, octeon_ids, NULL); +} +device_initcall(octeon_publish_devices); + MODULE_AUTHOR("David Daney <ddaney@caviumnetworks.com>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Platform driver for Octeon SOC"); diff --git a/arch/mips/cavium-octeon/octeon_3xxx.dts b/arch/mips/cavium-octeon/octeon_3xxx.dts new file mode 100644 index 0000000..f28b2d0 --- /dev/null +++ b/arch/mips/cavium-octeon/octeon_3xxx.dts @@ -0,0 +1,571 @@ +/dts-v1/; +/* + * OCTEON 3XXX, 5XXX, 63XX device tree skeleton. + * + * This device tree is pruned and patched by early boot code before + * use. Because of this, it contains a super-set of the available + * devices and properties. + */ +/ { + compatible = "cavium,octeon-3860"; + #address-cells = <2>; + #size-cells = <2>; + interrupt-parent = <&ciu>; + + soc@0 { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; /* Direct mapping */ + + ciu: interrupt-controller@1070000000000 { + compatible = "cavium,octeon-3860-ciu"; + interrupt-controller; + /* Interrupts are specified by two parts: + * 1) Controller register (0 or 1) + * 2) Bit within the register (0..63) + */ + #interrupt-cells = <2>; + reg = <0x10700 0x00000000 0x0 0x7000>; + }; + + gpio: gpio-controller@1070000000800 { + #gpio-cells = <2>; + compatible = "cavium,octeon-3860-gpio"; + reg = <0x10700 0x00000800 0x0 0x100>; + gpio-controller; + /* Interrupts are specified by two parts: + * 1) GPIO pin number (0..15) + * 2) Triggering (1 - edge rising + * 2 - edge falling + * 4 - level active high + * 8 - level active low) + */ + interrupt-controller; + #interrupt-cells = <2>; + /* The GPIO pin connect to 16 consecutive CUI bits */ + interrupts = <0 16>, <0 17>, <0 18>, <0 19>, + <0 20>, <0 21>, <0 22>, <0 23>, + <0 24>, <0 25>, <0 26>, <0 27>, + <0 28>, <0 29>, <0 30>, <0 31>; + }; + + smi0: mdio@1180000001800 { + compatible = "cavium,octeon-3860-mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0x00001800 0x0 0x40>; + + phy0: ethernet-phy@0 { + compatible = "marvell,88e1118"; + marvell,reg-init = + /* Fix rx and tx clock transition timing */ + <2 0x15 0xffcf 0>, /* Reg 2,21 Clear bits 4, 5 */ + /* Adjust LED drive. */ + <3 0x11 0 0x442a>, /* Reg 3,17 <- 0442a */ + /* irq, blink-activity, blink-link */ + <3 0x10 0 0x0242>; /* Reg 3,16 <- 0x0242 */ + reg = <0>; + }; + + phy1: ethernet-phy@1 { + compatible = "marvell,88e1118"; + marvell,reg-init = + /* Fix rx and tx clock transition timing */ + <2 0x15 0xffcf 0>, /* Reg 2,21 Clear bits 4, 5 */ + /* Adjust LED drive. */ + <3 0x11 0 0x442a>, /* Reg 3,17 <- 0442a */ + /* irq, blink-activity, blink-link */ + <3 0x10 0 0x0242>; /* Reg 3,16 <- 0x0242 */ + reg = <1>; + }; + + phy2: ethernet-phy@2 { + reg = <2>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy3: ethernet-phy@3 { + reg = <3>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy4: ethernet-phy@4 { + reg = <4>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy5: ethernet-phy@5 { + reg = <5>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + + phy6: ethernet-phy@6 { + reg = <6>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy7: ethernet-phy@7 { + reg = <7>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy8: ethernet-phy@8 { + reg = <8>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy9: ethernet-phy@9 { + reg = <9>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + }; + + smi1: mdio@1180000001900 { + compatible = "cavium,octeon-3860-mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0x00001900 0x0 0x40>; + + phy100: ethernet-phy@1 { + reg = <1>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + interrupt-parent = <&gpio>; + interrupts = <12 8>; /* Pin 12, active low */ + }; + phy101: ethernet-phy@2 { + reg = <2>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + interrupt-parent = <&gpio>; + interrupts = <12 8>; /* Pin 12, active low */ + }; + phy102: ethernet-phy@3 { + reg = <3>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + interrupt-parent = <&gpio>; + interrupts = <12 8>; /* Pin 12, active low */ + }; + phy103: ethernet-phy@4 { + reg = <4>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + interrupt-parent = <&gpio>; + interrupts = <12 8>; /* Pin 12, active low */ + }; + }; + + mix0: ethernet@1070000100000 { + compatible = "cavium,octeon-5750-mix"; + reg = <0x10700 0x00100000 0x0 0x100>, /* MIX */ + <0x11800 0xE0000000 0x0 0x300>, /* AGL */ + <0x11800 0xE0000400 0x0 0x400>, /* AGL_SHARED */ + <0x11800 0xE0002000 0x0 0x8>; /* AGL_PRT_CTL */ + cell-index = <0>; + interrupts = <0 62>, <1 46>; + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy0>; + }; + + mix1: ethernet@1070000100800 { + compatible = "cavium,octeon-5750-mix"; + reg = <0x10700 0x00100800 0x0 0x100>, /* MIX */ + <0x11800 0xE0000800 0x0 0x300>, /* AGL */ + <0x11800 0xE0000400 0x0 0x400>, /* AGL_SHARED */ + <0x11800 0xE0002008 0x0 0x8>; /* AGL_PRT_CTL */ + cell-index = <1>; + interrupts = <1 18>, < 1 46>; + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy1>; + }; + + pip: pip@11800a0000000 { + compatible = "cavium,octeon-3860-pip"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0xa0000000 0x0 0x2000>; + + interface@0 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy2>; + cavium,alt-phy-handle = <&phy100>; + }; + ethernet@1 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x1>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy3>; + cavium,alt-phy-handle = <&phy101>; + }; + ethernet@2 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x2>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy4>; + cavium,alt-phy-handle = <&phy102>; + }; + ethernet@3 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x3>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy5>; + cavium,alt-phy-handle = <&phy103>; + }; + ethernet@4 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x4>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@5 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x5>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@6 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x6>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@7 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x7>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@8 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x8>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@9 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x9>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@a { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0xa>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@b { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0xb>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@c { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0xc>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@d { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0xd>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@e { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0xe>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@f { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0xf>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + }; + + interface@1 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy6>; + }; + ethernet@1 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x1>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy7>; + }; + ethernet@2 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x2>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy8>; + }; + ethernet@3 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x3>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy9>; + }; + }; + }; + + twsi0: i2c@1180000001000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "cavium,octeon-3860-twsi"; + reg = <0x11800 0x00001000 0x0 0x200>; + interrupts = <0 45>; + clock-frequency = <100000>; + + rtc@68 { + compatible = "dallas,ds1337"; + reg = <0x68>; + }; + tmp@4c { + compatible = "ti,tmp421"; + reg = <0x4c>; + }; + }; + + twsi1: i2c@1180000001200 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "cavium,octeon-3860-twsi"; + reg = <0x11800 0x00001200 0x0 0x200>; + interrupts = <0 59>; + clock-frequency = <100000>; + }; + + uart0: serial@1180000000800 { + compatible = "cavium,octeon-3860-uart","ns16550"; + reg = <0x11800 0x00000800 0x0 0x400>; + clock-frequency = <0>; + current-speed = <115200>; + reg-shift = <3>; + interrupts = <0 34>; + }; + + uart1: serial@1180000000c00 { + compatible = "cavium,octeon-3860-uart","ns16550"; + reg = <0x11800 0x00000c00 0x0 0x400>; + clock-frequency = <0>; + current-speed = <115200>; + reg-shift = <3>; + interrupts = <0 35>; + }; + + uart2: serial@1180000000400 { + compatible = "cavium,octeon-3860-uart","ns16550"; + reg = <0x11800 0x00000400 0x0 0x400>; + clock-frequency = <0>; + current-speed = <115200>; + reg-shift = <3>; + interrupts = <1 16>; + }; + + bootbus: bootbus@1180000000000 { + compatible = "cavium,octeon-3860-bootbus"; + reg = <0x11800 0x00000000 0x0 0x200>; + /* The chip select number and offset */ + #address-cells = <2>; + /* The size of the chip select region */ + #size-cells = <1>; + ranges = <0 0 0x0 0x1f400000 0xc00000>, + <1 0 0x10000 0x30000000 0>, + <2 0 0x10000 0x40000000 0>, + <3 0 0x10000 0x50000000 0>, + <4 0 0x0 0x1d020000 0x10000>, + <5 0 0x0 0x1d040000 0x10000>, + <6 0 0x0 0x1d050000 0x10000>, + <7 0 0x10000 0x90000000 0>; + + cavium,cs-config@0 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <0>; + cavium,t-adr = <20>; + cavium,t-ce = <60>; + cavium,t-oe = <60>; + cavium,t-we = <45>; + cavium,t-rd-hld = <35>; + cavium,t-wr-hld = <45>; + cavium,t-pause = <0>; + cavium,t-wait = <0>; + cavium,t-page = <35>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,bus-width = <8>; + }; + cavium,cs-config@4 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <4>; + cavium,t-adr = <320>; + cavium,t-ce = <320>; + cavium,t-oe = <320>; + cavium,t-we = <320>; + cavium,t-rd-hld = <320>; + cavium,t-wr-hld = <320>; + cavium,t-pause = <320>; + cavium,t-wait = <320>; + cavium,t-page = <320>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,bus-width = <8>; + }; + cavium,cs-config@5 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <5>; + cavium,t-adr = <5>; + cavium,t-ce = <300>; + cavium,t-oe = <125>; + cavium,t-we = <150>; + cavium,t-rd-hld = <100>; + cavium,t-wr-hld = <30>; + cavium,t-pause = <0>; + cavium,t-wait = <30>; + cavium,t-page = <320>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,bus-width = <16>; + }; + cavium,cs-config@6 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <6>; + cavium,t-adr = <5>; + cavium,t-ce = <300>; + cavium,t-oe = <270>; + cavium,t-we = <150>; + cavium,t-rd-hld = <100>; + cavium,t-wr-hld = <70>; + cavium,t-pause = <0>; + cavium,t-wait = <0>; + cavium,t-page = <320>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,wait-mode; + cavium,bus-width = <16>; + }; + + flash0: nor@0,0 { + compatible = "cfi-flash"; + reg = <0 0 0x800000>; + #address-cells = <1>; + #size-cells = <1>; + }; + + led0: led-display@4,0 { + compatible = "avago,hdsp-253x"; + reg = <4 0x20 0x20>, <4 0 0x20>; + }; + + cf0: compact-flash@5,0 { + compatible = "cavium,ebt3000-compact-flash"; + reg = <5 0 0x10000>, <6 0 0x10000>; + cavium,bus-width = <16>; + cavium,true-ide; + cavium,dma-engine-handle = <&dma0>; + }; + }; + + dma0: dma-engine@1180000000100 { + compatible = "cavium,octeon-5750-bootbus-dma"; + reg = <0x11800 0x00000100 0x0 0x8>; + interrupts = <0 63>; + }; + dma1: dma-engine@1180000000108 { + compatible = "cavium,octeon-5750-bootbus-dma"; + reg = <0x11800 0x00000108 0x0 0x8>; + interrupts = <0 63>; + }; + + uctl: uctl@118006f000000 { + compatible = "cavium,octeon-6335-uctl"; + reg = <0x11800 0x6f000000 0x0 0x100>; + ranges; /* Direct mapping */ + #address-cells = <2>; + #size-cells = <2>; + /* 12MHz, 24MHz and 48MHz allowed */ + refclk-frequency = <12000000>; + /* Either "crystal" or "external" */ + refclk-type = "crystal"; + + ehci@16f0000000000 { + compatible = "cavium,octeon-6335-ehci","usb-ehci"; + reg = <0x16f00 0x00000000 0x0 0x100>; + interrupts = <0 56>; + big-endian-regs; + }; + ohci@16f0000000400 { + compatible = "cavium,octeon-6335-ohci","usb-ohci"; + reg = <0x16f00 0x00000400 0x0 0x100>; + interrupts = <0 56>; + big-endian-regs; + }; + }; + }; + + aliases { + mix0 = &mix0; + mix1 = &mix1; + pip = &pip; + smi0 = &smi0; + smi1 = &smi1; + twsi0 = &twsi0; + twsi1 = &twsi1; + uart0 = &uart0; + uart1 = &uart1; + uart2 = &uart2; + flash0 = &flash0; + cf0 = &cf0; + uctl = &uctl; + led0 = &led0; + }; + }; diff --git a/arch/mips/cavium-octeon/octeon_68xx.dts b/arch/mips/cavium-octeon/octeon_68xx.dts new file mode 100644 index 0000000..18394689 --- /dev/null +++ b/arch/mips/cavium-octeon/octeon_68xx.dts @@ -0,0 +1,625 @@ +/dts-v1/; +/* + * OCTEON 68XX device tree skeleton. + * + * This device tree is pruned and patched by early boot code before + * use. Because of this, it contains a super-set of the available + * devices and properties. + */ +/ { + compatible = "cavium,octeon-6880"; + #address-cells = <2>; + #size-cells = <2>; + interrupt-parent = <&ciu2>; + + soc@0 { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; /* Direct mapping */ + + ciu2: interrupt-controller@1070100000000 { + compatible = "cavium,octeon-6880-ciu2"; + interrupt-controller; + /* Interrupts are specified by two parts: + * 1) Controller register (0 or 7) + * 2) Bit within the register (0..63) + */ + #address-cells = <0>; + #interrupt-cells = <2>; + reg = <0x10701 0x00000000 0x0 0x4000000>; + }; + + gpio: gpio-controller@1070000000800 { + #gpio-cells = <2>; + compatible = "cavium,octeon-3860-gpio"; + reg = <0x10700 0x00000800 0x0 0x100>; + gpio-controller; + /* Interrupts are specified by two parts: + * 1) GPIO pin number (0..15) + * 2) Triggering (1 - edge rising + * 2 - edge falling + * 4 - level active high + * 8 - level active low) + */ + interrupt-controller; + #interrupt-cells = <2>; + /* The GPIO pins connect to 16 consecutive CUI bits */ + interrupts = <7 0>, <7 1>, <7 2>, <7 3>, + <7 4>, <7 5>, <7 6>, <7 7>, + <7 8>, <7 9>, <7 10>, <7 11>, + <7 12>, <7 13>, <7 14>, <7 15>; + }; + + smi0: mdio@1180000003800 { + compatible = "cavium,octeon-3860-mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0x00003800 0x0 0x40>; + + phy0: ethernet-phy@6 { + compatible = "marvell,88e1118"; + marvell,reg-init = + /* Fix rx and tx clock transition timing */ + <2 0x15 0xffcf 0>, /* Reg 2,21 Clear bits 4, 5 */ + /* Adjust LED drive. */ + <3 0x11 0 0x442a>, /* Reg 3,17 <- 0442a */ + /* irq, blink-activity, blink-link */ + <3 0x10 0 0x0242>; /* Reg 3,16 <- 0x0242 */ + reg = <6>; + }; + + phy1: ethernet-phy@1 { + cavium,qlm-trim = "4,sgmii"; + reg = <1>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy2: ethernet-phy@2 { + cavium,qlm-trim = "4,sgmii"; + reg = <2>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy3: ethernet-phy@3 { + cavium,qlm-trim = "4,sgmii"; + reg = <3>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy4: ethernet-phy@4 { + cavium,qlm-trim = "4,sgmii"; + reg = <4>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + }; + + smi1: mdio@1180000003880 { + compatible = "cavium,octeon-3860-mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0x00003880 0x0 0x40>; + + phy41: ethernet-phy@1 { + cavium,qlm-trim = "0,sgmii"; + reg = <1>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy42: ethernet-phy@2 { + cavium,qlm-trim = "0,sgmii"; + reg = <2>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy43: ethernet-phy@3 { + cavium,qlm-trim = "0,sgmii"; + reg = <3>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy44: ethernet-phy@4 { + cavium,qlm-trim = "0,sgmii"; + reg = <4>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + }; + + smi2: mdio@1180000003900 { + compatible = "cavium,octeon-3860-mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0x00003900 0x0 0x40>; + + phy21: ethernet-phy@1 { + cavium,qlm-trim = "2,sgmii"; + reg = <1>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy22: ethernet-phy@2 { + cavium,qlm-trim = "2,sgmii"; + reg = <2>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy23: ethernet-phy@3 { + cavium,qlm-trim = "2,sgmii"; + reg = <3>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy24: ethernet-phy@4 { + cavium,qlm-trim = "2,sgmii"; + reg = <4>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + }; + + smi3: mdio@1180000003980 { + compatible = "cavium,octeon-3860-mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0x00003980 0x0 0x40>; + + phy11: ethernet-phy@1 { + cavium,qlm-trim = "3,sgmii"; + reg = <1>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy12: ethernet-phy@2 { + cavium,qlm-trim = "3,sgmii"; + reg = <2>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy13: ethernet-phy@3 { + cavium,qlm-trim = "3,sgmii"; + reg = <3>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy14: ethernet-phy@4 { + cavium,qlm-trim = "3,sgmii"; + reg = <4>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + }; + + mix0: ethernet@1070000100000 { + compatible = "cavium,octeon-5750-mix"; + reg = <0x10700 0x00100000 0x0 0x100>, /* MIX */ + <0x11800 0xE0000000 0x0 0x300>, /* AGL */ + <0x11800 0xE0000400 0x0 0x400>, /* AGL_SHARED */ + <0x11800 0xE0002000 0x0 0x8>; /* AGL_PRT_CTL */ + cell-index = <0>; + interrupts = <6 40>, <6 32>; + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy0>; + }; + + pip: pip@11800a0000000 { + compatible = "cavium,octeon-3860-pip"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0xa0000000 0x0 0x2000>; + + interface@4 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x4>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy1>; + }; + ethernet@1 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x1>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy2>; + }; + ethernet@2 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x2>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy3>; + }; + ethernet@3 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x3>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy4>; + }; + }; + + interface@3 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x3>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy11>; + }; + ethernet@1 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x1>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy12>; + }; + ethernet@2 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x2>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy13>; + }; + ethernet@3 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x3>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy14>; + }; + }; + + interface@2 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x2>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy21>; + }; + ethernet@1 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x1>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy22>; + }; + ethernet@2 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x2>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy23>; + }; + ethernet@3 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x3>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy24>; + }; + }; + + interface@1 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x1>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + }; + + interface@0 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x0>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy41>; + }; + ethernet@1 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x1>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy42>; + }; + ethernet@2 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x2>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy43>; + }; + ethernet@3 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x3>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy44>; + }; + }; + }; + + twsi0: i2c@1180000001000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "cavium,octeon-3860-twsi"; + reg = <0x11800 0x00001000 0x0 0x200>; + interrupts = <3 32>; + clock-frequency = <100000>; + + rtc@68 { + compatible = "dallas,ds1337"; + reg = <0x68>; + }; + tmp@4c { + compatible = "ti,tmp421"; + reg = <0x4c>; + }; + }; + + twsi1: i2c@1180000001200 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "cavium,octeon-3860-twsi"; + reg = <0x11800 0x00001200 0x0 0x200>; + interrupts = <3 33>; + clock-frequency = <100000>; + }; + + uart0: serial@1180000000800 { + compatible = "cavium,octeon-3860-uart","ns16550"; + reg = <0x11800 0x00000800 0x0 0x400>; + clock-frequency = <0>; + current-speed = <115200>; + reg-shift = <3>; + interrupts = <3 36>; + }; + + uart1: serial@1180000000c00 { + compatible = "cavium,octeon-3860-uart","ns16550"; + reg = <0x11800 0x00000c00 0x0 0x400>; + clock-frequency = <0>; + current-speed = <115200>; + reg-shift = <3>; + interrupts = <3 37>; + }; + + bootbus: bootbus@1180000000000 { + compatible = "cavium,octeon-3860-bootbus"; + reg = <0x11800 0x00000000 0x0 0x200>; + /* The chip select number and offset */ + #address-cells = <2>; + /* The size of the chip select region */ + #size-cells = <1>; + ranges = <0 0 0 0x1f400000 0xc00000>, + <1 0 0x10000 0x30000000 0>, + <2 0 0x10000 0x40000000 0>, + <3 0 0x10000 0x50000000 0>, + <4 0 0 0x1d020000 0x10000>, + <5 0 0 0x1d040000 0x10000>, + <6 0 0 0x1d050000 0x10000>, + <7 0 0x10000 0x90000000 0>; + + cavium,cs-config@0 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <0>; + cavium,t-adr = <10>; + cavium,t-ce = <50>; + cavium,t-oe = <50>; + cavium,t-we = <35>; + cavium,t-rd-hld = <25>; + cavium,t-wr-hld = <35>; + cavium,t-pause = <0>; + cavium,t-wait = <300>; + cavium,t-page = <25>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,bus-width = <8>; + }; + cavium,cs-config@4 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <4>; + cavium,t-adr = <320>; + cavium,t-ce = <320>; + cavium,t-oe = <320>; + cavium,t-we = <320>; + cavium,t-rd-hld = <320>; + cavium,t-wr-hld = <320>; + cavium,t-pause = <320>; + cavium,t-wait = <320>; + cavium,t-page = <320>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,bus-width = <8>; + }; + cavium,cs-config@5 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <5>; + cavium,t-adr = <0>; + cavium,t-ce = <300>; + cavium,t-oe = <125>; + cavium,t-we = <150>; + cavium,t-rd-hld = <100>; + cavium,t-wr-hld = <300>; + cavium,t-pause = <0>; + cavium,t-wait = <300>; + cavium,t-page = <310>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,bus-width = <16>; + }; + cavium,cs-config@6 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <6>; + cavium,t-adr = <0>; + cavium,t-ce = <30>; + cavium,t-oe = <125>; + cavium,t-we = <150>; + cavium,t-rd-hld = <100>; + cavium,t-wr-hld = <30>; + cavium,t-pause = <0>; + cavium,t-wait = <30>; + cavium,t-page = <310>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,wait-mode; + cavium,bus-width = <16>; + }; + + flash0: nor@0,0 { + compatible = "cfi-flash"; + reg = <0 0 0x800000>; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "bootloader"; + reg = <0 0x200000>; + read-only; + }; + partition@200000 { + label = "kernel"; + reg = <0x200000 0x200000>; + }; + partition@400000 { + label = "cramfs"; + reg = <0x400000 0x3fe000>; + }; + partition@7fe000 { + label = "environment"; + reg = <0x7fe000 0x2000>; + read-only; + }; + }; + + led0: led-display@4,0 { + compatible = "avago,hdsp-253x"; + reg = <4 0x20 0x20>, <4 0 0x20>; + }; + + compact-flash@5,0 { + compatible = "cavium,ebt3000-compact-flash"; + reg = <5 0 0x10000>, <6 0 0x10000>; + cavium,bus-width = <16>; + cavium,true-ide; + cavium,dma-engine-handle = <&dma0>; + }; + }; + + dma0: dma-engine@1180000000100 { + compatible = "cavium,octeon-5750-bootbus-dma"; + reg = <0x11800 0x00000100 0x0 0x8>; + interrupts = <0 63>; + }; + dma1: dma-engine@1180000000108 { + compatible = "cavium,octeon-5750-bootbus-dma"; + reg = <0x11800 0x00000108 0x0 0x8>; + interrupts = <0 63>; + }; + + uctl: uctl@118006f000000 { + compatible = "cavium,octeon-6335-uctl"; + reg = <0x11800 0x6f000000 0x0 0x100>; + ranges; /* Direct mapping */ + #address-cells = <2>; + #size-cells = <2>; + /* 12MHz, 24MHz and 48MHz allowed */ + refclk-frequency = <12000000>; + /* Either "crystal" or "external" */ + refclk-type = "crystal"; + + ehci@16f0000000000 { + compatible = "cavium,octeon-6335-ehci","usb-ehci"; + reg = <0x16f00 0x00000000 0x0 0x100>; + interrupts = <3 44>; + big-endian-regs; + }; + ohci@16f0000000400 { + compatible = "cavium,octeon-6335-ohci","usb-ohci"; + reg = <0x16f00 0x00000400 0x0 0x100>; + interrupts = <3 44>; + big-endian-regs; + }; + }; + }; + + aliases { + mix0 = &mix0; + pip = &pip; + smi0 = &smi0; + smi1 = &smi1; + smi2 = &smi2; + smi3 = &smi3; + twsi0 = &twsi0; + twsi1 = &twsi1; + uart0 = &uart0; + uart1 = &uart1; + uctl = &uctl; + led0 = &led0; + flash0 = &flash0; + }; + }; diff --git a/arch/mips/cavium-octeon/serial.c b/arch/mips/cavium-octeon/serial.c index 057f0ae..138b221 100644 --- a/arch/mips/cavium-octeon/serial.c +++ b/arch/mips/cavium-octeon/serial.c @@ -43,95 +43,67 @@ void octeon_serial_out(struct uart_port *up, int offset, int value) cvmx_write_csr((uint64_t)(up->membase + (offset << 3)), (u8)value); } -/* - * Allocated in .bss, so it is all zeroed. - */ -#define OCTEON_MAX_UARTS 3 -static struct plat_serial8250_port octeon_uart8250_data[OCTEON_MAX_UARTS + 1]; -static struct platform_device octeon_uart8250_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = octeon_uart8250_data, - }, -}; - -static void __init octeon_uart_set_common(struct plat_serial8250_port *p) +static int __devinit octeon_serial_probe(struct platform_device *pdev) { - p->flags = ASYNC_SKIP_TEST | UPF_SHARE_IRQ | UPF_FIXED_TYPE; - p->type = PORT_OCTEON; - p->iotype = UPIO_MEM; - p->regshift = 3; /* I/O addresses are every 8 bytes */ + int irq, res; + struct resource *res_mem; + struct uart_port port; + + /* All adaptors have an irq. */ + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + memset(&port, 0, sizeof(port)); + + port.flags = ASYNC_SKIP_TEST | UPF_SHARE_IRQ | UPF_FIXED_TYPE; + port.type = PORT_OCTEON; + port.iotype = UPIO_MEM; + port.regshift = 3; + port.dev = &pdev->dev; + if (octeon_is_simulation()) /* Make simulator output fast*/ - p->uartclk = 115200 * 16; + port.uartclk = 115200 * 16; else - p->uartclk = octeon_get_io_clock_rate(); - p->serial_in = octeon_serial_in; - p->serial_out = octeon_serial_out; -} + port.uartclk = octeon_get_io_clock_rate(); -static int __init octeon_serial_init(void) -{ - int enable_uart0; - int enable_uart1; - int enable_uart2; - struct plat_serial8250_port *p; - -#ifdef CONFIG_CAVIUM_OCTEON_2ND_KERNEL - /* - * If we are configured to run as the second of two kernels, - * disable uart0 and enable uart1. Uart0 is owned by the first - * kernel - */ - enable_uart0 = 0; - enable_uart1 = 1; -#else - /* - * We are configured for the first kernel. We'll enable uart0 - * if the bootloader told us to use 0, otherwise will enable - * uart 1. - */ - enable_uart0 = (octeon_get_boot_uart() == 0); - enable_uart1 = (octeon_get_boot_uart() == 1); -#ifdef CONFIG_KGDB - enable_uart1 = 1; -#endif -#endif - - /* Right now CN52XX is the only chip with a third uart */ - enable_uart2 = OCTEON_IS_MODEL(OCTEON_CN52XX); - - p = octeon_uart8250_data; - if (enable_uart0) { - /* Add a ttyS device for hardware uart 0 */ - octeon_uart_set_common(p); - p->membase = (void *) CVMX_MIO_UARTX_RBR(0); - p->mapbase = CVMX_MIO_UARTX_RBR(0) & ((1ull << 49) - 1); - p->irq = OCTEON_IRQ_UART0; - p++; - } + port.serial_in = octeon_serial_in; + port.serial_out = octeon_serial_out; + port.irq = irq; - if (enable_uart1) { - /* Add a ttyS device for hardware uart 1 */ - octeon_uart_set_common(p); - p->membase = (void *) CVMX_MIO_UARTX_RBR(1); - p->mapbase = CVMX_MIO_UARTX_RBR(1) & ((1ull << 49) - 1); - p->irq = OCTEON_IRQ_UART1; - p++; - } - if (enable_uart2) { - /* Add a ttyS device for hardware uart 2 */ - octeon_uart_set_common(p); - p->membase = (void *) CVMX_MIO_UART2_RBR; - p->mapbase = CVMX_MIO_UART2_RBR & ((1ull << 49) - 1); - p->irq = OCTEON_IRQ_UART2; - p++; + res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res_mem == NULL) { + dev_err(&pdev->dev, "found no memory resource\n"); + return -ENXIO; } + port.mapbase = res_mem->start; + port.membase = ioremap(res_mem->start, resource_size(res_mem)); - BUG_ON(p > &octeon_uart8250_data[OCTEON_MAX_UARTS]); + res = serial8250_register_port(&port); - return platform_device_register(&octeon_uart8250_device); + return res >= 0 ? 0 : res; } -device_initcall(octeon_serial_init); +static struct of_device_id octeon_serial_match[] = { + { + .compatible = "cavium,octeon-3860-uart", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, octeon_serial_match); + +static struct platform_driver octeon_serial_driver = { + .probe = octeon_serial_probe, + .driver = { + .owner = THIS_MODULE, + .name = "octeon_serial", + .of_match_table = octeon_serial_match, + }, +}; + +static int __init octeon_serial_init(void) +{ + return platform_driver_register(&octeon_serial_driver); +} +late_initcall(octeon_serial_init); diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c index 260dc24..919b0fb 100644 --- a/arch/mips/cavium-octeon/setup.c +++ b/arch/mips/cavium-octeon/setup.c @@ -21,6 +21,8 @@ #include <linux/platform_device.h> #include <linux/serial_core.h> #include <linux/serial_8250.h> +#include <linux/of_fdt.h> +#include <linux/libfdt.h> #include <asm/processor.h> #include <asm/reboot.h> @@ -775,3 +777,46 @@ void prom_free_prom_memory(void) } #endif } + +int octeon_prune_device_tree(void); + +extern const char __dtb_octeon_3xxx_begin; +extern const char __dtb_octeon_3xxx_end; +extern const char __dtb_octeon_68xx_begin; +extern const char __dtb_octeon_68xx_end; +void __init device_tree_init(void) +{ + int dt_size; + struct boot_param_header *fdt; + bool do_prune; + + if (octeon_bootinfo->minor_version >= 3 && octeon_bootinfo->fdt_addr) { + fdt = phys_to_virt(octeon_bootinfo->fdt_addr); + if (fdt_check_header(fdt)) + panic("Corrupt Device Tree passed to kernel."); + dt_size = be32_to_cpu(fdt->totalsize); + do_prune = false; + } else if (OCTEON_IS_MODEL(OCTEON_CN68XX)) { + fdt = (struct boot_param_header *)&__dtb_octeon_68xx_begin; + dt_size = &__dtb_octeon_68xx_end - &__dtb_octeon_68xx_begin; + do_prune = true; + } else { + fdt = (struct boot_param_header *)&__dtb_octeon_3xxx_begin; + dt_size = &__dtb_octeon_3xxx_end - &__dtb_octeon_3xxx_begin; + do_prune = true; + } + + /* Copy the default tree from init memory. */ + initial_boot_params = early_init_dt_alloc_memory_arch(dt_size, 8); + if (initial_boot_params == NULL) + panic("Could not allocate initial_boot_params\n"); + memcpy(initial_boot_params, fdt, dt_size); + + if (do_prune) { + octeon_prune_device_tree(); + pr_info("Using internal Device Tree.\n"); + } else { + pr_info("Using passed Device Tree.\n"); + } + unflatten_device_tree(); +} diff --git a/arch/mips/configs/ls1b_defconfig b/arch/mips/configs/ls1b_defconfig new file mode 100644 index 0000000..80cff8b --- /dev/null +++ b/arch/mips/configs/ls1b_defconfig @@ -0,0 +1,109 @@ +CONFIG_MACH_LOONGSON1=y +CONFIG_PREEMPT=y +# CONFIG_SECCOMP is not set +CONFIG_EXPERIMENTAL=y +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_SYSVIPC=y +CONFIG_BSD_PROCESS_ACCT=y +CONFIG_BSD_PROCESS_ACCT_V3=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=16 +CONFIG_NAMESPACES=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_RD_BZIP2=y +CONFIG_RD_LZMA=y +CONFIG_EXPERT=y +CONFIG_PERF_EVENTS=y +# CONFIG_COMPAT_BRK is not set +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +CONFIG_MODVERSIONS=y +# CONFIG_LBDAF is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +# CONFIG_SUSPEND is not set +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_INET=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_SYN_COOKIES=y +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_DIAG is not set +# CONFIG_IPV6 is not set +# CONFIG_WIRELESS is not set +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +# CONFIG_STANDALONE is not set +CONFIG_BLK_DEV_LOOP=y +CONFIG_SCSI=m +# CONFIG_SCSI_PROC_FS is not set +CONFIG_BLK_DEV_SD=m +# CONFIG_SCSI_LOWLEVEL is not set +CONFIG_NETDEVICES=y +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_CHELSIO is not set +# CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MARVELL is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SEEQ is not set +# CONFIG_NET_VENDOR_SMSC is not set +CONFIG_STMMAC_ETH=y +CONFIG_STMMAC_DA=y +# CONFIG_NET_VENDOR_WIZNET is not set +# CONFIG_WLAN is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_SERIO is not set +CONFIG_VT_HW_CONSOLE_BINDING=y +CONFIG_LEGACY_PTY_COUNT=8 +# CONFIG_DEVKMEM is not set +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +# CONFIG_HW_RANDOM is not set +# CONFIG_HWMON is not set +# CONFIG_VGA_CONSOLE is not set +CONFIG_USB_HID=m +CONFIG_HID_GENERIC=m +CONFIG_USB=y +CONFIG_USB_ANNOUNCE_NEW_DEVICES=y +CONFIG_USB_EHCI_HCD=y +# CONFIG_USB_EHCI_TT_NEWSCHED is not set +CONFIG_USB_STORAGE=m +CONFIG_USB_SERIAL=m +CONFIG_USB_SERIAL_PL2303=m +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_LOONGSON1=y +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_EXT2_FS=y +CONFIG_EXT2_FS_XATTR=y +CONFIG_EXT2_FS_POSIX_ACL=y +CONFIG_EXT2_FS_SECURITY=y +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_POSIX_ACL=y +CONFIG_EXT3_FS_SECURITY=y +# CONFIG_DNOTIFY is not set +CONFIG_VFAT_FS=y +CONFIG_PROC_KCORE=y +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +# CONFIG_MISC_FILESYSTEMS is not set +CONFIG_NFS_FS=y +CONFIG_ROOT_NFS=y +CONFIG_NLS_CODEPAGE_437=m +CONFIG_NLS_ISO8859_1=m +# CONFIG_ENABLE_WARN_DEPRECATED is not set +# CONFIG_ENABLE_MUST_CHECK is not set +CONFIG_MAGIC_SYSRQ=y +# CONFIG_SCHED_DEBUG is not set +# CONFIG_DEBUG_PREEMPT is not set +# CONFIG_FTRACE is not set +# CONFIG_EARLY_PRINTK is not set diff --git a/arch/mips/configs/nlm_xlr_defconfig b/arch/mips/configs/nlm_xlr_defconfig index d0b857d..138f698 100644 --- a/arch/mips/configs/nlm_xlr_defconfig +++ b/arch/mips/configs/nlm_xlr_defconfig @@ -367,6 +367,10 @@ CONFIG_SERIAL_8250_RSA=y CONFIG_HW_RANDOM=y CONFIG_HW_RANDOM_TIMERIOMEM=m CONFIG_RAW_DRIVER=m +CONFIG_I2C=y +CONFIG_I2C_XLR=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_DS1374=y # CONFIG_HWMON is not set # CONFIG_VGA_CONSOLE is not set # CONFIG_HID_SUPPORT is not set diff --git a/arch/mips/dec/prom/memory.c b/arch/mips/dec/prom/memory.c index e95ff30..8c62316 100644 --- a/arch/mips/dec/prom/memory.c +++ b/arch/mips/dec/prom/memory.c @@ -101,7 +101,7 @@ void __init prom_free_prom_memory(void) * the first page reserved for the exception handlers. */ -#if defined(CONFIG_DECLANCE) || defined(CONFIG_DECLANCE_MODULE) +#if IS_ENABLED(CONFIG_DECLANCE) /* * Leave 128 KB reserved for Lance memory for * IOASIC DECstations. diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h index 95e40c1..f21b7c0 100644 --- a/arch/mips/include/asm/cpu.h +++ b/arch/mips/include/asm/cpu.h @@ -197,6 +197,7 @@ #define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */ #define PRID_REV_VR4130 0x0080 #define PRID_REV_34K_V1_0_2 0x0022 +#define PRID_REV_LOONGSON1B 0x0020 #define PRID_REV_LOONGSON2E 0x0002 #define PRID_REV_LOONGSON2F 0x0003 @@ -261,7 +262,7 @@ enum cpu_type_enum { */ CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K, CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350, - CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_M14KC, + CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_LOONGSON1, CPU_M14KC, /* * MIPS64 class processors diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h index 5b8d15b..e104ddb 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h @@ -9,6 +9,7 @@ * compile time if only one CPU support is enabled (idea stolen from * arm mach-types) */ +#define BCM6328_CPU_ID 0x6328 #define BCM6338_CPU_ID 0x6338 #define BCM6345_CPU_ID 0x6345 #define BCM6348_CPU_ID 0x6348 @@ -20,6 +21,19 @@ u16 __bcm63xx_get_cpu_id(void); u16 bcm63xx_get_cpu_rev(void); unsigned int bcm63xx_get_cpu_freq(void); +#ifdef CONFIG_BCM63XX_CPU_6328 +# ifdef bcm63xx_get_cpu_id +# undef bcm63xx_get_cpu_id +# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id() +# define BCMCPU_RUNTIME_DETECT +# else +# define bcm63xx_get_cpu_id() BCM6328_CPU_ID +# endif +# define BCMCPU_IS_6328() (bcm63xx_get_cpu_id() == BCM6328_CPU_ID) +#else +# define BCMCPU_IS_6328() (0) +#endif + #ifdef CONFIG_BCM63XX_CPU_6338 # ifdef bcm63xx_get_cpu_id # undef bcm63xx_get_cpu_id @@ -102,13 +116,13 @@ enum bcm63xx_regs_set { RSET_UART1, RSET_GPIO, RSET_SPI, - RSET_SPI2, RSET_UDC0, RSET_OHCI0, RSET_OHCI_PRIV, RSET_USBH_PRIV, RSET_MPI, RSET_PCMCIA, + RSET_PCIE, RSET_DSL, RSET_ENET0, RSET_ENET1, @@ -130,11 +144,17 @@ enum bcm63xx_regs_set { RSET_PCMDMA, RSET_PCMDMAC, RSET_PCMDMAS, + RSET_RNG, + RSET_MISC }; #define RSET_DSL_LMEM_SIZE (64 * 1024 * 4) #define RSET_DSL_SIZE 4096 #define RSET_WDT_SIZE 12 +#define BCM_6338_RSET_SPI_SIZE 64 +#define BCM_6348_RSET_SPI_SIZE 64 +#define BCM_6358_RSET_SPI_SIZE 1804 +#define BCM_6368_RSET_SPI_SIZE 1804 #define RSET_ENET_SIZE 2048 #define RSET_ENETDMA_SIZE 2048 #define RSET_ENETSW_SIZE 65536 @@ -149,8 +169,53 @@ enum bcm63xx_regs_set { #define RSET_XTMDMA_SIZE 256 #define RSET_XTMDMAC_SIZE(chans) (16 * (chans)) #define RSET_XTMDMAS_SIZE(chans) (16 * (chans)) +#define RSET_RNG_SIZE 20 /* + * 6328 register sets base address + */ +#define BCM_6328_DSL_LMEM_BASE (0xdeadbeef) +#define BCM_6328_PERF_BASE (0xb0000000) +#define BCM_6328_TIMER_BASE (0xb0000040) +#define BCM_6328_WDT_BASE (0xb000005c) +#define BCM_6328_UART0_BASE (0xb0000100) +#define BCM_6328_UART1_BASE (0xb0000120) +#define BCM_6328_GPIO_BASE (0xb0000080) +#define BCM_6328_SPI_BASE (0xdeadbeef) +#define BCM_6328_UDC0_BASE (0xdeadbeef) +#define BCM_6328_USBDMA_BASE (0xdeadbeef) +#define BCM_6328_OHCI0_BASE (0xdeadbeef) +#define BCM_6328_OHCI_PRIV_BASE (0xdeadbeef) +#define BCM_6328_USBH_PRIV_BASE (0xdeadbeef) +#define BCM_6328_MPI_BASE (0xdeadbeef) +#define BCM_6328_PCMCIA_BASE (0xdeadbeef) +#define BCM_6328_PCIE_BASE (0xb0e40000) +#define BCM_6328_SDRAM_REGS_BASE (0xdeadbeef) +#define BCM_6328_DSL_BASE (0xb0001900) +#define BCM_6328_UBUS_BASE (0xdeadbeef) +#define BCM_6328_ENET0_BASE (0xdeadbeef) +#define BCM_6328_ENET1_BASE (0xdeadbeef) +#define BCM_6328_ENETDMA_BASE (0xb000d800) +#define BCM_6328_ENETDMAC_BASE (0xb000da00) +#define BCM_6328_ENETDMAS_BASE (0xb000dc00) +#define BCM_6328_ENETSW_BASE (0xb0e00000) +#define BCM_6328_EHCI0_BASE (0x10002500) +#define BCM_6328_SDRAM_BASE (0xdeadbeef) +#define BCM_6328_MEMC_BASE (0xdeadbeef) +#define BCM_6328_DDR_BASE (0xb0003000) +#define BCM_6328_M2M_BASE (0xdeadbeef) +#define BCM_6328_ATM_BASE (0xdeadbeef) +#define BCM_6328_XTM_BASE (0xdeadbeef) +#define BCM_6328_XTMDMA_BASE (0xb000b800) +#define BCM_6328_XTMDMAC_BASE (0xdeadbeef) +#define BCM_6328_XTMDMAS_BASE (0xdeadbeef) +#define BCM_6328_PCM_BASE (0xb000a800) +#define BCM_6328_PCMDMA_BASE (0xdeadbeef) +#define BCM_6328_PCMDMAC_BASE (0xdeadbeef) +#define BCM_6328_PCMDMAS_BASE (0xdeadbeef) +#define BCM_6328_RNG_BASE (0xdeadbeef) +#define BCM_6328_MISC_BASE (0xb0001800) +/* * 6338 register sets base address */ #define BCM_6338_DSL_LMEM_BASE (0xfff00000) @@ -162,7 +227,6 @@ enum bcm63xx_regs_set { #define BCM_6338_UART1_BASE (0xdeadbeef) #define BCM_6338_GPIO_BASE (0xfffe0400) #define BCM_6338_SPI_BASE (0xfffe0c00) -#define BCM_6338_SPI2_BASE (0xdeadbeef) #define BCM_6338_UDC0_BASE (0xdeadbeef) #define BCM_6338_USBDMA_BASE (0xfffe2400) #define BCM_6338_OHCI0_BASE (0xdeadbeef) @@ -170,6 +234,7 @@ enum bcm63xx_regs_set { #define BCM_6338_USBH_PRIV_BASE (0xdeadbeef) #define BCM_6338_MPI_BASE (0xfffe3160) #define BCM_6338_PCMCIA_BASE (0xdeadbeef) +#define BCM_6338_PCIE_BASE (0xdeadbeef) #define BCM_6338_SDRAM_REGS_BASE (0xfffe3100) #define BCM_6338_DSL_BASE (0xfffe1000) #define BCM_6338_UBUS_BASE (0xdeadbeef) @@ -193,6 +258,8 @@ enum bcm63xx_regs_set { #define BCM_6338_PCMDMA_BASE (0xdeadbeef) #define BCM_6338_PCMDMAC_BASE (0xdeadbeef) #define BCM_6338_PCMDMAS_BASE (0xdeadbeef) +#define BCM_6338_RNG_BASE (0xdeadbeef) +#define BCM_6338_MISC_BASE (0xdeadbeef) /* * 6345 register sets base address @@ -206,7 +273,6 @@ enum bcm63xx_regs_set { #define BCM_6345_UART1_BASE (0xdeadbeef) #define BCM_6345_GPIO_BASE (0xfffe0400) #define BCM_6345_SPI_BASE (0xdeadbeef) -#define BCM_6345_SPI2_BASE (0xdeadbeef) #define BCM_6345_UDC0_BASE (0xdeadbeef) #define BCM_6345_USBDMA_BASE (0xfffe2800) #define BCM_6345_ENET0_BASE (0xfffe1800) @@ -216,6 +282,7 @@ enum bcm63xx_regs_set { #define BCM_6345_ENETSW_BASE (0xdeadbeef) #define BCM_6345_PCMCIA_BASE (0xfffe2028) #define BCM_6345_MPI_BASE (0xfffe2000) +#define BCM_6345_PCIE_BASE (0xdeadbeef) #define BCM_6345_OHCI0_BASE (0xfffe2100) #define BCM_6345_OHCI_PRIV_BASE (0xfffe2200) #define BCM_6345_USBH_PRIV_BASE (0xdeadbeef) @@ -237,6 +304,8 @@ enum bcm63xx_regs_set { #define BCM_6345_PCMDMA_BASE (0xdeadbeef) #define BCM_6345_PCMDMAC_BASE (0xdeadbeef) #define BCM_6345_PCMDMAS_BASE (0xdeadbeef) +#define BCM_6345_RNG_BASE (0xdeadbeef) +#define BCM_6345_MISC_BASE (0xdeadbeef) /* * 6348 register sets base address @@ -249,13 +318,13 @@ enum bcm63xx_regs_set { #define BCM_6348_UART1_BASE (0xdeadbeef) #define BCM_6348_GPIO_BASE (0xfffe0400) #define BCM_6348_SPI_BASE (0xfffe0c00) -#define BCM_6348_SPI2_BASE (0xdeadbeef) #define BCM_6348_UDC0_BASE (0xfffe1000) #define BCM_6348_OHCI0_BASE (0xfffe1b00) #define BCM_6348_OHCI_PRIV_BASE (0xfffe1c00) #define BCM_6348_USBH_PRIV_BASE (0xdeadbeef) #define BCM_6348_MPI_BASE (0xfffe2000) #define BCM_6348_PCMCIA_BASE (0xfffe2054) +#define BCM_6348_PCIE_BASE (0xdeadbeef) #define BCM_6348_SDRAM_REGS_BASE (0xfffe2300) #define BCM_6348_M2M_BASE (0xfffe2800) #define BCM_6348_DSL_BASE (0xfffe3000) @@ -278,6 +347,8 @@ enum bcm63xx_regs_set { #define BCM_6348_PCMDMA_BASE (0xdeadbeef) #define BCM_6348_PCMDMAC_BASE (0xdeadbeef) #define BCM_6348_PCMDMAS_BASE (0xdeadbeef) +#define BCM_6348_RNG_BASE (0xdeadbeef) +#define BCM_6348_MISC_BASE (0xdeadbeef) /* * 6358 register sets base address @@ -289,14 +360,14 @@ enum bcm63xx_regs_set { #define BCM_6358_UART0_BASE (0xfffe0100) #define BCM_6358_UART1_BASE (0xfffe0120) #define BCM_6358_GPIO_BASE (0xfffe0080) -#define BCM_6358_SPI_BASE (0xdeadbeef) -#define BCM_6358_SPI2_BASE (0xfffe0800) +#define BCM_6358_SPI_BASE (0xfffe0800) #define BCM_6358_UDC0_BASE (0xfffe0800) #define BCM_6358_OHCI0_BASE (0xfffe1400) #define BCM_6358_OHCI_PRIV_BASE (0xdeadbeef) #define BCM_6358_USBH_PRIV_BASE (0xfffe1500) #define BCM_6358_MPI_BASE (0xfffe1000) #define BCM_6358_PCMCIA_BASE (0xfffe1054) +#define BCM_6358_PCIE_BASE (0xdeadbeef) #define BCM_6358_SDRAM_REGS_BASE (0xfffe2300) #define BCM_6358_M2M_BASE (0xdeadbeef) #define BCM_6358_DSL_BASE (0xfffe3000) @@ -319,6 +390,8 @@ enum bcm63xx_regs_set { #define BCM_6358_PCMDMA_BASE (0xfffe1800) #define BCM_6358_PCMDMAC_BASE (0xfffe1900) #define BCM_6358_PCMDMAS_BASE (0xfffe1a00) +#define BCM_6358_RNG_BASE (0xdeadbeef) +#define BCM_6358_MISC_BASE (0xdeadbeef) /* @@ -331,14 +404,14 @@ enum bcm63xx_regs_set { #define BCM_6368_UART0_BASE (0xb0000100) #define BCM_6368_UART1_BASE (0xb0000120) #define BCM_6368_GPIO_BASE (0xb0000080) -#define BCM_6368_SPI_BASE (0xdeadbeef) -#define BCM_6368_SPI2_BASE (0xb0000800) +#define BCM_6368_SPI_BASE (0xb0000800) #define BCM_6368_UDC0_BASE (0xdeadbeef) #define BCM_6368_OHCI0_BASE (0xb0001600) #define BCM_6368_OHCI_PRIV_BASE (0xdeadbeef) #define BCM_6368_USBH_PRIV_BASE (0xb0001700) #define BCM_6368_MPI_BASE (0xb0001000) #define BCM_6368_PCMCIA_BASE (0xb0001054) +#define BCM_6368_PCIE_BASE (0xdeadbeef) #define BCM_6368_SDRAM_REGS_BASE (0xdeadbeef) #define BCM_6368_M2M_BASE (0xdeadbeef) #define BCM_6368_DSL_BASE (0xdeadbeef) @@ -361,6 +434,8 @@ enum bcm63xx_regs_set { #define BCM_6368_PCMDMA_BASE (0xb0005800) #define BCM_6368_PCMDMAC_BASE (0xb0005a00) #define BCM_6368_PCMDMAS_BASE (0xb0005c00) +#define BCM_6368_RNG_BASE (0xb0004180) +#define BCM_6368_MISC_BASE (0xdeadbeef) extern const unsigned long *bcm63xx_regs_base; @@ -379,13 +454,13 @@ extern const unsigned long *bcm63xx_regs_base; __GEN_RSET_BASE(__cpu, UART1) \ __GEN_RSET_BASE(__cpu, GPIO) \ __GEN_RSET_BASE(__cpu, SPI) \ - __GEN_RSET_BASE(__cpu, SPI2) \ __GEN_RSET_BASE(__cpu, UDC0) \ __GEN_RSET_BASE(__cpu, OHCI0) \ __GEN_RSET_BASE(__cpu, OHCI_PRIV) \ __GEN_RSET_BASE(__cpu, USBH_PRIV) \ __GEN_RSET_BASE(__cpu, MPI) \ __GEN_RSET_BASE(__cpu, PCMCIA) \ + __GEN_RSET_BASE(__cpu, PCIE) \ __GEN_RSET_BASE(__cpu, DSL) \ __GEN_RSET_BASE(__cpu, ENET0) \ __GEN_RSET_BASE(__cpu, ENET1) \ @@ -407,6 +482,8 @@ extern const unsigned long *bcm63xx_regs_base; __GEN_RSET_BASE(__cpu, PCMDMA) \ __GEN_RSET_BASE(__cpu, PCMDMAC) \ __GEN_RSET_BASE(__cpu, PCMDMAS) \ + __GEN_RSET_BASE(__cpu, RNG) \ + __GEN_RSET_BASE(__cpu, MISC) \ } #define __GEN_CPU_REGS_TABLE(__cpu) \ @@ -418,13 +495,13 @@ extern const unsigned long *bcm63xx_regs_base; [RSET_UART1] = BCM_## __cpu ##_UART1_BASE, \ [RSET_GPIO] = BCM_## __cpu ##_GPIO_BASE, \ [RSET_SPI] = BCM_## __cpu ##_SPI_BASE, \ - [RSET_SPI2] = BCM_## __cpu ##_SPI2_BASE, \ [RSET_UDC0] = BCM_## __cpu ##_UDC0_BASE, \ [RSET_OHCI0] = BCM_## __cpu ##_OHCI0_BASE, \ [RSET_OHCI_PRIV] = BCM_## __cpu ##_OHCI_PRIV_BASE, \ [RSET_USBH_PRIV] = BCM_## __cpu ##_USBH_PRIV_BASE, \ [RSET_MPI] = BCM_## __cpu ##_MPI_BASE, \ [RSET_PCMCIA] = BCM_## __cpu ##_PCMCIA_BASE, \ + [RSET_PCIE] = BCM_## __cpu ##_PCIE_BASE, \ [RSET_DSL] = BCM_## __cpu ##_DSL_BASE, \ [RSET_ENET0] = BCM_## __cpu ##_ENET0_BASE, \ [RSET_ENET1] = BCM_## __cpu ##_ENET1_BASE, \ @@ -446,6 +523,8 @@ extern const unsigned long *bcm63xx_regs_base; [RSET_PCMDMA] = BCM_## __cpu ##_PCMDMA_BASE, \ [RSET_PCMDMAC] = BCM_## __cpu ##_PCMDMAC_BASE, \ [RSET_PCMDMAS] = BCM_## __cpu ##_PCMDMAS_BASE, \ + [RSET_RNG] = BCM_## __cpu ##_RNG_BASE, \ + [RSET_MISC] = BCM_## __cpu ##_MISC_BASE, \ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set) @@ -453,6 +532,9 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set) #ifdef BCMCPU_RUNTIME_DETECT return bcm63xx_regs_base[set]; #else +#ifdef CONFIG_BCM63XX_CPU_6328 + __GEN_RSET(6328) +#endif #ifdef CONFIG_BCM63XX_CPU_6338 __GEN_RSET(6338) #endif @@ -478,6 +560,7 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set) */ enum bcm63xx_irq { IRQ_TIMER = 0, + IRQ_SPI, IRQ_UART0, IRQ_UART1, IRQ_DSL, @@ -506,9 +589,51 @@ enum bcm63xx_irq { }; /* + * 6328 irqs + */ +#define BCM_6328_HIGH_IRQ_BASE (IRQ_INTERNAL_BASE + 32) + +#define BCM_6328_TIMER_IRQ (IRQ_INTERNAL_BASE + 31) +#define BCM_6328_SPI_IRQ 0 +#define BCM_6328_UART0_IRQ (IRQ_INTERNAL_BASE + 28) +#define BCM_6328_UART1_IRQ (BCM_6328_HIGH_IRQ_BASE + 7) +#define BCM_6328_DSL_IRQ (IRQ_INTERNAL_BASE + 4) +#define BCM_6328_UDC0_IRQ 0 +#define BCM_6328_ENET0_IRQ 0 +#define BCM_6328_ENET1_IRQ 0 +#define BCM_6328_ENET_PHY_IRQ (IRQ_INTERNAL_BASE + 12) +#define BCM_6328_OHCI0_IRQ (IRQ_INTERNAL_BASE + 9) +#define BCM_6328_EHCI0_IRQ (IRQ_INTERNAL_BASE + 10) +#define BCM_6328_PCMCIA_IRQ 0 +#define BCM_6328_ENET0_RXDMA_IRQ 0 +#define BCM_6328_ENET0_TXDMA_IRQ 0 +#define BCM_6328_ENET1_RXDMA_IRQ 0 +#define BCM_6328_ENET1_TXDMA_IRQ 0 +#define BCM_6328_PCI_IRQ (IRQ_INTERNAL_BASE + 23) +#define BCM_6328_ATM_IRQ 0 +#define BCM_6328_ENETSW_RXDMA0_IRQ (BCM_6328_HIGH_IRQ_BASE + 0) +#define BCM_6328_ENETSW_RXDMA1_IRQ (BCM_6328_HIGH_IRQ_BASE + 1) +#define BCM_6328_ENETSW_RXDMA2_IRQ (BCM_6328_HIGH_IRQ_BASE + 2) +#define BCM_6328_ENETSW_RXDMA3_IRQ (BCM_6328_HIGH_IRQ_BASE + 3) +#define BCM_6328_ENETSW_TXDMA0_IRQ (BCM_6328_HIGH_IRQ_BASE + 4) +#define BCM_6328_ENETSW_TXDMA1_IRQ (BCM_6328_HIGH_IRQ_BASE + 5) +#define BCM_6328_ENETSW_TXDMA2_IRQ (BCM_6328_HIGH_IRQ_BASE + 6) +#define BCM_6328_ENETSW_TXDMA3_IRQ (BCM_6328_HIGH_IRQ_BASE + 7) +#define BCM_6328_XTM_IRQ (BCM_6328_HIGH_IRQ_BASE + 31) +#define BCM_6328_XTM_DMA0_IRQ (BCM_6328_HIGH_IRQ_BASE + 11) + +#define BCM_6328_PCM_DMA0_IRQ (IRQ_INTERNAL_BASE + 2) +#define BCM_6328_PCM_DMA1_IRQ (IRQ_INTERNAL_BASE + 3) +#define BCM_6328_EXT_IRQ0 (IRQ_INTERNAL_BASE + 24) +#define BCM_6328_EXT_IRQ1 (IRQ_INTERNAL_BASE + 25) +#define BCM_6328_EXT_IRQ2 (IRQ_INTERNAL_BASE + 26) +#define BCM_6328_EXT_IRQ3 (IRQ_INTERNAL_BASE + 27) + +/* * 6338 irqs */ #define BCM_6338_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6338_SPI_IRQ (IRQ_INTERNAL_BASE + 1) #define BCM_6338_UART0_IRQ (IRQ_INTERNAL_BASE + 2) #define BCM_6338_UART1_IRQ 0 #define BCM_6338_DSL_IRQ (IRQ_INTERNAL_BASE + 5) @@ -539,6 +664,7 @@ enum bcm63xx_irq { * 6345 irqs */ #define BCM_6345_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6345_SPI_IRQ 0 #define BCM_6345_UART0_IRQ (IRQ_INTERNAL_BASE + 2) #define BCM_6345_UART1_IRQ 0 #define BCM_6345_DSL_IRQ (IRQ_INTERNAL_BASE + 3) @@ -569,6 +695,7 @@ enum bcm63xx_irq { * 6348 irqs */ #define BCM_6348_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6348_SPI_IRQ (IRQ_INTERNAL_BASE + 1) #define BCM_6348_UART0_IRQ (IRQ_INTERNAL_BASE + 2) #define BCM_6348_UART1_IRQ 0 #define BCM_6348_DSL_IRQ (IRQ_INTERNAL_BASE + 4) @@ -599,6 +726,7 @@ enum bcm63xx_irq { * 6358 irqs */ #define BCM_6358_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6358_SPI_IRQ (IRQ_INTERNAL_BASE + 1) #define BCM_6358_UART0_IRQ (IRQ_INTERNAL_BASE + 2) #define BCM_6358_UART1_IRQ (IRQ_INTERNAL_BASE + 3) #define BCM_6358_DSL_IRQ (IRQ_INTERNAL_BASE + 29) @@ -638,6 +766,7 @@ enum bcm63xx_irq { #define BCM_6368_HIGH_IRQ_BASE (IRQ_INTERNAL_BASE + 32) #define BCM_6368_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6368_SPI_IRQ (IRQ_INTERNAL_BASE + 1) #define BCM_6368_UART0_IRQ (IRQ_INTERNAL_BASE + 2) #define BCM_6368_UART1_IRQ (IRQ_INTERNAL_BASE + 3) #define BCM_6368_DSL_IRQ (IRQ_INTERNAL_BASE + 4) @@ -677,6 +806,7 @@ extern const int *bcm63xx_irqs; #define __GEN_CPU_IRQ_TABLE(__cpu) \ [IRQ_TIMER] = BCM_## __cpu ##_TIMER_IRQ, \ + [IRQ_SPI] = BCM_## __cpu ##_SPI_IRQ, \ [IRQ_UART0] = BCM_## __cpu ##_UART0_IRQ, \ [IRQ_UART1] = BCM_## __cpu ##_UART1_IRQ, \ [IRQ_DSL] = BCM_## __cpu ##_DSL_IRQ, \ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h new file mode 100644 index 0000000..354b848 --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h @@ -0,0 +1,12 @@ +#ifndef __BCM63XX_FLASH_H +#define __BCM63XX_FLASH_H + +enum { + BCM63XX_FLASH_TYPE_PARALLEL, + BCM63XX_FLASH_TYPE_SERIAL, + BCM63XX_FLASH_TYPE_NAND, +}; + +int __init bcm63xx_flash_register(void); + +#endif /* __BCM63XX_FLASH_H */ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h new file mode 100644 index 0000000..7d98dbe --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h @@ -0,0 +1,89 @@ +#ifndef BCM63XX_DEV_SPI_H +#define BCM63XX_DEV_SPI_H + +#include <linux/types.h> +#include <bcm63xx_io.h> +#include <bcm63xx_regs.h> + +int __init bcm63xx_spi_register(void); + +struct bcm63xx_spi_pdata { + unsigned int fifo_size; + int bus_num; + int num_chipselect; + u32 speed_hz; +}; + +enum bcm63xx_regs_spi { + SPI_CMD, + SPI_INT_STATUS, + SPI_INT_MASK_ST, + SPI_INT_MASK, + SPI_ST, + SPI_CLK_CFG, + SPI_FILL_BYTE, + SPI_MSG_TAIL, + SPI_RX_TAIL, + SPI_MSG_CTL, + SPI_MSG_DATA, + SPI_RX_DATA, +}; + +#define __GEN_SPI_RSET_BASE(__cpu, __rset) \ + case SPI_## __rset: \ + return SPI_## __cpu ##_## __rset; + +#define __GEN_SPI_RSET(__cpu) \ + switch (reg) { \ + __GEN_SPI_RSET_BASE(__cpu, CMD) \ + __GEN_SPI_RSET_BASE(__cpu, INT_STATUS) \ + __GEN_SPI_RSET_BASE(__cpu, INT_MASK_ST) \ + __GEN_SPI_RSET_BASE(__cpu, INT_MASK) \ + __GEN_SPI_RSET_BASE(__cpu, ST) \ + __GEN_SPI_RSET_BASE(__cpu, CLK_CFG) \ + __GEN_SPI_RSET_BASE(__cpu, FILL_BYTE) \ + __GEN_SPI_RSET_BASE(__cpu, MSG_TAIL) \ + __GEN_SPI_RSET_BASE(__cpu, RX_TAIL) \ + __GEN_SPI_RSET_BASE(__cpu, MSG_CTL) \ + __GEN_SPI_RSET_BASE(__cpu, MSG_DATA) \ + __GEN_SPI_RSET_BASE(__cpu, RX_DATA) \ + } + +#define __GEN_SPI_REGS_TABLE(__cpu) \ + [SPI_CMD] = SPI_## __cpu ##_CMD, \ + [SPI_INT_STATUS] = SPI_## __cpu ##_INT_STATUS, \ + [SPI_INT_MASK_ST] = SPI_## __cpu ##_INT_MASK_ST, \ + [SPI_INT_MASK] = SPI_## __cpu ##_INT_MASK, \ + [SPI_ST] = SPI_## __cpu ##_ST, \ + [SPI_CLK_CFG] = SPI_## __cpu ##_CLK_CFG, \ + [SPI_FILL_BYTE] = SPI_## __cpu ##_FILL_BYTE, \ + [SPI_MSG_TAIL] = SPI_## __cpu ##_MSG_TAIL, \ + [SPI_RX_TAIL] = SPI_## __cpu ##_RX_TAIL, \ + [SPI_MSG_CTL] = SPI_## __cpu ##_MSG_CTL, \ + [SPI_MSG_DATA] = SPI_## __cpu ##_MSG_DATA, \ + [SPI_RX_DATA] = SPI_## __cpu ##_RX_DATA, + +static inline unsigned long bcm63xx_spireg(enum bcm63xx_regs_spi reg) +{ +#ifdef BCMCPU_RUNTIME_DETECT + extern const unsigned long *bcm63xx_regs_spi; + + return bcm63xx_regs_spi[reg]; +#else +#ifdef CONFIG_BCM63XX_CPU_6338 + __GEN_SPI_RSET(6338) +#endif +#ifdef CONFIG_BCM63XX_CPU_6348 + __GEN_SPI_RSET(6348) +#endif +#ifdef CONFIG_BCM63XX_CPU_6358 + __GEN_SPI_RSET(6358) +#endif +#ifdef CONFIG_BCM63XX_CPU_6368 + __GEN_SPI_RSET(6368) +#endif +#endif + return 0; +} + +#endif /* BCM63XX_DEV_SPI_H */ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h index 1d7dd96..0a9891f 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h @@ -9,6 +9,8 @@ int __init bcm63xx_gpio_init(void); static inline unsigned long bcm63xx_gpio_count(void) { switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + return 32; case BCM6358_CPU_ID: return 40; case BCM6338_CPU_ID: diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h index 72477a6..9203d90 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h @@ -40,6 +40,10 @@ #define BCM_CB_MEM_END_PA (BCM_CB_MEM_BASE_PA + \ BCM_CB_MEM_SIZE - 1) +#define BCM_PCIE_MEM_BASE_PA 0x10f00000 +#define BCM_PCIE_MEM_SIZE (16 * 1024 * 1024) +#define BCM_PCIE_MEM_END_PA (BCM_PCIE_MEM_BASE_PA + \ + BCM_PCIE_MEM_SIZE - 1) /* * Internal registers are accessed through KSEG3 @@ -85,11 +89,15 @@ #define bcm_mpi_writel(v, o) bcm_rset_writel(RSET_MPI, (v), (o)) #define bcm_pcmcia_readl(o) bcm_rset_readl(RSET_PCMCIA, (o)) #define bcm_pcmcia_writel(v, o) bcm_rset_writel(RSET_PCMCIA, (v), (o)) +#define bcm_pcie_readl(o) bcm_rset_readl(RSET_PCIE, (o)) +#define bcm_pcie_writel(v, o) bcm_rset_writel(RSET_PCIE, (v), (o)) #define bcm_sdram_readl(o) bcm_rset_readl(RSET_SDRAM, (o)) #define bcm_sdram_writel(v, o) bcm_rset_writel(RSET_SDRAM, (v), (o)) #define bcm_memc_readl(o) bcm_rset_readl(RSET_MEMC, (o)) #define bcm_memc_writel(v, o) bcm_rset_writel(RSET_MEMC, (v), (o)) #define bcm_ddr_readl(o) bcm_rset_readl(RSET_DDR, (o)) #define bcm_ddr_writel(v, o) bcm_rset_writel(RSET_DDR, (v), (o)) +#define bcm_misc_readl(o) bcm_rset_readl(RSET_MISC, (o)) +#define bcm_misc_writel(v, o) bcm_rset_writel(RSET_MISC, (v), (o)) #endif /* ! BCM63XX_IO_H_ */ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h index fdcd78c..4ccc2a7 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h @@ -15,6 +15,30 @@ /* Clock Control register */ #define PERF_CKCTL_REG 0x4 +#define CKCTL_6328_PHYMIPS_EN (1 << 0) +#define CKCTL_6328_ADSL_QPROC_EN (1 << 1) +#define CKCTL_6328_ADSL_AFE_EN (1 << 2) +#define CKCTL_6328_ADSL_EN (1 << 3) +#define CKCTL_6328_MIPS_EN (1 << 4) +#define CKCTL_6328_SAR_EN (1 << 5) +#define CKCTL_6328_PCM_EN (1 << 6) +#define CKCTL_6328_USBD_EN (1 << 7) +#define CKCTL_6328_USBH_EN (1 << 8) +#define CKCTL_6328_HSSPI_EN (1 << 9) +#define CKCTL_6328_PCIE_EN (1 << 10) +#define CKCTL_6328_ROBOSW_EN (1 << 11) + +#define CKCTL_6328_ALL_SAFE_EN (CKCTL_6328_PHYMIPS_EN | \ + CKCTL_6328_ADSL_QPROC_EN | \ + CKCTL_6328_ADSL_AFE_EN | \ + CKCTL_6328_ADSL_EN | \ + CKCTL_6328_SAR_EN | \ + CKCTL_6328_PCM_EN | \ + CKCTL_6328_USBD_EN | \ + CKCTL_6328_USBH_EN | \ + CKCTL_6328_ROBOSW_EN | \ + CKCTL_6328_PCIE_EN) + #define CKCTL_6338_ADSLPHY_EN (1 << 0) #define CKCTL_6338_MPI_EN (1 << 1) #define CKCTL_6338_DRAM_EN (1 << 2) @@ -90,35 +114,36 @@ #define CKCTL_6368_PHYMIPS_EN (1 << 6) #define CKCTL_6368_SWPKT_USB_EN (1 << 7) #define CKCTL_6368_SWPKT_SAR_EN (1 << 8) -#define CKCTL_6368_SPI_CLK_EN (1 << 9) -#define CKCTL_6368_USBD_CLK_EN (1 << 10) -#define CKCTL_6368_SAR_CLK_EN (1 << 11) -#define CKCTL_6368_ROBOSW_CLK_EN (1 << 12) -#define CKCTL_6368_UTOPIA_CLK_EN (1 << 13) -#define CKCTL_6368_PCM_CLK_EN (1 << 14) -#define CKCTL_6368_USBH_CLK_EN (1 << 15) +#define CKCTL_6368_SPI_EN (1 << 9) +#define CKCTL_6368_USBD_EN (1 << 10) +#define CKCTL_6368_SAR_EN (1 << 11) +#define CKCTL_6368_ROBOSW_EN (1 << 12) +#define CKCTL_6368_UTOPIA_EN (1 << 13) +#define CKCTL_6368_PCM_EN (1 << 14) +#define CKCTL_6368_USBH_EN (1 << 15) #define CKCTL_6368_DISABLE_GLESS_EN (1 << 16) -#define CKCTL_6368_NAND_CLK_EN (1 << 17) -#define CKCTL_6368_IPSEC_CLK_EN (1 << 18) +#define CKCTL_6368_NAND_EN (1 << 17) +#define CKCTL_6368_IPSEC_EN (1 << 18) #define CKCTL_6368_ALL_SAFE_EN (CKCTL_6368_SWPKT_USB_EN | \ CKCTL_6368_SWPKT_SAR_EN | \ - CKCTL_6368_SPI_CLK_EN | \ - CKCTL_6368_USBD_CLK_EN | \ - CKCTL_6368_SAR_CLK_EN | \ - CKCTL_6368_ROBOSW_CLK_EN | \ - CKCTL_6368_UTOPIA_CLK_EN | \ - CKCTL_6368_PCM_CLK_EN | \ - CKCTL_6368_USBH_CLK_EN | \ + CKCTL_6368_SPI_EN | \ + CKCTL_6368_USBD_EN | \ + CKCTL_6368_SAR_EN | \ + CKCTL_6368_ROBOSW_EN | \ + CKCTL_6368_UTOPIA_EN | \ + CKCTL_6368_PCM_EN | \ + CKCTL_6368_USBH_EN | \ CKCTL_6368_DISABLE_GLESS_EN | \ - CKCTL_6368_NAND_CLK_EN | \ - CKCTL_6368_IPSEC_CLK_EN) + CKCTL_6368_NAND_EN | \ + CKCTL_6368_IPSEC_EN) /* System PLL Control register */ #define PERF_SYS_PLL_CTL_REG 0x8 #define SYS_PLL_SOFT_RESET 0x1 /* Interrupt Mask register */ +#define PERF_IRQMASK_6328_REG 0x20 #define PERF_IRQMASK_6338_REG 0xc #define PERF_IRQMASK_6345_REG 0xc #define PERF_IRQMASK_6348_REG 0xc @@ -126,6 +151,7 @@ #define PERF_IRQMASK_6368_REG 0x20 /* Interrupt Status register */ +#define PERF_IRQSTAT_6328_REG 0x28 #define PERF_IRQSTAT_6338_REG 0x10 #define PERF_IRQSTAT_6345_REG 0x10 #define PERF_IRQSTAT_6348_REG 0x10 @@ -133,6 +159,7 @@ #define PERF_IRQSTAT_6368_REG 0x28 /* External Interrupt Configuration register */ +#define PERF_EXTIRQ_CFG_REG_6328 0x18 #define PERF_EXTIRQ_CFG_REG_6338 0x14 #define PERF_EXTIRQ_CFG_REG_6348 0x14 #define PERF_EXTIRQ_CFG_REG_6358 0x14 @@ -162,8 +189,21 @@ /* Soft Reset register */ #define PERF_SOFTRESET_REG 0x28 +#define PERF_SOFTRESET_6328_REG 0x10 #define PERF_SOFTRESET_6368_REG 0x10 +#define SOFTRESET_6328_SPI_MASK (1 << 0) +#define SOFTRESET_6328_EPHY_MASK (1 << 1) +#define SOFTRESET_6328_SAR_MASK (1 << 2) +#define SOFTRESET_6328_ENETSW_MASK (1 << 3) +#define SOFTRESET_6328_USBS_MASK (1 << 4) +#define SOFTRESET_6328_USBH_MASK (1 << 5) +#define SOFTRESET_6328_PCM_MASK (1 << 6) +#define SOFTRESET_6328_PCIE_CORE_MASK (1 << 7) +#define SOFTRESET_6328_PCIE_MASK (1 << 8) +#define SOFTRESET_6328_PCIE_EXT_MASK (1 << 9) +#define SOFTRESET_6328_PCIE_HARD_MASK (1 << 10) + #define SOFTRESET_6338_SPI_MASK (1 << 0) #define SOFTRESET_6338_ENET_MASK (1 << 2) #define SOFTRESET_6338_USBH_MASK (1 << 3) @@ -307,6 +347,8 @@ /* Watchdog reset length register */ #define WDT_RSTLEN_REG 0x8 +/* Watchdog soft reset register (BCM6328 only) */ +#define WDT_SOFTRESET_REG 0xc /************************************************************************* * _REG relative to RSET_UARTx @@ -507,6 +549,15 @@ #define GPIO_BASEMODE_6368_MASK 0x7 /* those bits must be kept as read in gpio basemode register*/ +#define GPIO_STRAPBUS_REG 0x40 +#define STRAPBUS_6358_BOOT_SEL_PARALLEL (1 << 1) +#define STRAPBUS_6358_BOOT_SEL_SERIAL (0 << 1) +#define STRAPBUS_6368_BOOT_SEL_MASK 0x3 +#define STRAPBUS_6368_BOOT_SEL_NAND 0 +#define STRAPBUS_6368_BOOT_SEL_SERIAL 1 +#define STRAPBUS_6368_BOOT_SEL_PARALLEL 3 + + /************************************************************************* * _REG relative to RSET_ENET *************************************************************************/ @@ -924,6 +975,8 @@ * _REG relative to RSET_DDR *************************************************************************/ +#define DDR_CSEND_REG 0x8 + #define DDR_DMIPSPLLCFG_REG 0x18 #define DMIPSPLLCFG_M1_SHIFT 0 #define DMIPSPLLCFG_M1_MASK (0xff << DMIPSPLLCFG_M1_SHIFT) @@ -973,4 +1026,201 @@ #define M2M_SRCID_REG(x) ((x) * 0x40 + 0x14) #define M2M_DSTID_REG(x) ((x) * 0x40 + 0x18) +/************************************************************************* + * _REG relative to RSET_RNG + *************************************************************************/ + +#define RNG_CTRL 0x00 +#define RNG_EN (1 << 0) + +#define RNG_STAT 0x04 +#define RNG_AVAIL_MASK (0xff000000) + +#define RNG_DATA 0x08 +#define RNG_THRES 0x0c +#define RNG_MASK 0x10 + +/************************************************************************* + * _REG relative to RSET_SPI + *************************************************************************/ + +/* BCM 6338 SPI core */ +#define SPI_6338_CMD 0x00 /* 16-bits register */ +#define SPI_6338_INT_STATUS 0x02 +#define SPI_6338_INT_MASK_ST 0x03 +#define SPI_6338_INT_MASK 0x04 +#define SPI_6338_ST 0x05 +#define SPI_6338_CLK_CFG 0x06 +#define SPI_6338_FILL_BYTE 0x07 +#define SPI_6338_MSG_TAIL 0x09 +#define SPI_6338_RX_TAIL 0x0b +#define SPI_6338_MSG_CTL 0x40 +#define SPI_6338_MSG_DATA 0x41 +#define SPI_6338_MSG_DATA_SIZE 0x3f +#define SPI_6338_RX_DATA 0x80 +#define SPI_6338_RX_DATA_SIZE 0x3f + +/* BCM 6348 SPI core */ +#define SPI_6348_CMD 0x00 /* 16-bits register */ +#define SPI_6348_INT_STATUS 0x02 +#define SPI_6348_INT_MASK_ST 0x03 +#define SPI_6348_INT_MASK 0x04 +#define SPI_6348_ST 0x05 +#define SPI_6348_CLK_CFG 0x06 +#define SPI_6348_FILL_BYTE 0x07 +#define SPI_6348_MSG_TAIL 0x09 +#define SPI_6348_RX_TAIL 0x0b +#define SPI_6348_MSG_CTL 0x40 +#define SPI_6348_MSG_DATA 0x41 +#define SPI_6348_MSG_DATA_SIZE 0x3f +#define SPI_6348_RX_DATA 0x80 +#define SPI_6348_RX_DATA_SIZE 0x3f + +/* BCM 6358 SPI core */ +#define SPI_6358_MSG_CTL 0x00 /* 16-bits register */ +#define SPI_6358_MSG_DATA 0x02 +#define SPI_6358_MSG_DATA_SIZE 0x21e +#define SPI_6358_RX_DATA 0x400 +#define SPI_6358_RX_DATA_SIZE 0x220 +#define SPI_6358_CMD 0x700 /* 16-bits register */ +#define SPI_6358_INT_STATUS 0x702 +#define SPI_6358_INT_MASK_ST 0x703 +#define SPI_6358_INT_MASK 0x704 +#define SPI_6358_ST 0x705 +#define SPI_6358_CLK_CFG 0x706 +#define SPI_6358_FILL_BYTE 0x707 +#define SPI_6358_MSG_TAIL 0x709 +#define SPI_6358_RX_TAIL 0x70B + +/* BCM 6358 SPI core */ +#define SPI_6368_MSG_CTL 0x00 /* 16-bits register */ +#define SPI_6368_MSG_DATA 0x02 +#define SPI_6368_MSG_DATA_SIZE 0x21e +#define SPI_6368_RX_DATA 0x400 +#define SPI_6368_RX_DATA_SIZE 0x220 +#define SPI_6368_CMD 0x700 /* 16-bits register */ +#define SPI_6368_INT_STATUS 0x702 +#define SPI_6368_INT_MASK_ST 0x703 +#define SPI_6368_INT_MASK 0x704 +#define SPI_6368_ST 0x705 +#define SPI_6368_CLK_CFG 0x706 +#define SPI_6368_FILL_BYTE 0x707 +#define SPI_6368_MSG_TAIL 0x709 +#define SPI_6368_RX_TAIL 0x70B + +/* Shared SPI definitions */ + +/* Message configuration */ +#define SPI_FD_RW 0x00 +#define SPI_HD_W 0x01 +#define SPI_HD_R 0x02 +#define SPI_BYTE_CNT_SHIFT 0 +#define SPI_MSG_TYPE_SHIFT 14 + +/* Command */ +#define SPI_CMD_NOOP 0x00 +#define SPI_CMD_SOFT_RESET 0x01 +#define SPI_CMD_HARD_RESET 0x02 +#define SPI_CMD_START_IMMEDIATE 0x03 +#define SPI_CMD_COMMAND_SHIFT 0 +#define SPI_CMD_COMMAND_MASK 0x000f +#define SPI_CMD_DEVICE_ID_SHIFT 4 +#define SPI_CMD_PREPEND_BYTE_CNT_SHIFT 8 +#define SPI_CMD_ONE_BYTE_SHIFT 11 +#define SPI_CMD_ONE_WIRE_SHIFT 12 +#define SPI_DEV_ID_0 0 +#define SPI_DEV_ID_1 1 +#define SPI_DEV_ID_2 2 +#define SPI_DEV_ID_3 3 + +/* Interrupt mask */ +#define SPI_INTR_CMD_DONE 0x01 +#define SPI_INTR_RX_OVERFLOW 0x02 +#define SPI_INTR_TX_UNDERFLOW 0x04 +#define SPI_INTR_TX_OVERFLOW 0x08 +#define SPI_INTR_RX_UNDERFLOW 0x10 +#define SPI_INTR_CLEAR_ALL 0x1f + +/* Status */ +#define SPI_RX_EMPTY 0x02 +#define SPI_CMD_BUSY 0x04 +#define SPI_SERIAL_BUSY 0x08 + +/* Clock configuration */ +#define SPI_CLK_20MHZ 0x00 +#define SPI_CLK_0_391MHZ 0x01 +#define SPI_CLK_0_781MHZ 0x02 /* default */ +#define SPI_CLK_1_563MHZ 0x03 +#define SPI_CLK_3_125MHZ 0x04 +#define SPI_CLK_6_250MHZ 0x05 +#define SPI_CLK_12_50MHZ 0x06 +#define SPI_CLK_MASK 0x07 +#define SPI_SSOFFTIME_MASK 0x38 +#define SPI_SSOFFTIME_SHIFT 3 +#define SPI_BYTE_SWAP 0x80 + +/************************************************************************* + * _REG relative to RSET_MISC + *************************************************************************/ +#define MISC_SERDES_CTRL_REG 0x0 +#define SERDES_PCIE_EN (1 << 0) +#define SERDES_PCIE_EXD_EN (1 << 15) + +#define MISC_STRAPBUS_6328_REG 0x240 +#define STRAPBUS_6328_FCVO_SHIFT 7 +#define STRAPBUS_6328_FCVO_MASK (0x1f << STRAPBUS_6328_FCVO_SHIFT) +#define STRAPBUS_6328_BOOT_SEL_SERIAL (1 << 28) +#define STRAPBUS_6328_BOOT_SEL_NAND (0 << 28) + +/************************************************************************* + * _REG relative to RSET_PCIE + *************************************************************************/ + +#define PCIE_CONFIG2_REG 0x408 +#define CONFIG2_BAR1_SIZE_EN 1 +#define CONFIG2_BAR1_SIZE_MASK 0xf + +#define PCIE_IDVAL3_REG 0x43c +#define IDVAL3_CLASS_CODE_MASK 0xffffff +#define IDVAL3_SUBCLASS_SHIFT 8 +#define IDVAL3_CLASS_SHIFT 16 + +#define PCIE_DLSTATUS_REG 0x1048 +#define DLSTATUS_PHYLINKUP (1 << 13) + +#define PCIE_BRIDGE_OPT1_REG 0x2820 +#define OPT1_RD_BE_OPT_EN (1 << 7) +#define OPT1_RD_REPLY_BE_FIX_EN (1 << 9) +#define OPT1_PCIE_BRIDGE_HOLE_DET_EN (1 << 11) +#define OPT1_L1_INT_STATUS_MASK_POL (1 << 12) + +#define PCIE_BRIDGE_OPT2_REG 0x2824 +#define OPT2_UBUS_UR_DECODE_DIS (1 << 2) +#define OPT2_TX_CREDIT_CHK_EN (1 << 4) +#define OPT2_CFG_TYPE1_BD_SEL (1 << 7) +#define OPT2_CFG_TYPE1_BUS_NO_SHIFT 16 +#define OPT2_CFG_TYPE1_BUS_NO_MASK (0xff << OPT2_CFG_TYPE1_BUS_NO_SHIFT) + +#define PCIE_BRIDGE_BAR0_BASEMASK_REG 0x2828 +#define PCIE_BRIDGE_BAR1_BASEMASK_REG 0x2830 +#define BASEMASK_REMAP_EN (1 << 0) +#define BASEMASK_SWAP_EN (1 << 1) +#define BASEMASK_MASK_SHIFT 4 +#define BASEMASK_MASK_MASK (0xfff << BASEMASK_MASK_SHIFT) +#define BASEMASK_BASE_SHIFT 20 +#define BASEMASK_BASE_MASK (0xfff << BASEMASK_BASE_SHIFT) + +#define PCIE_BRIDGE_BAR0_REBASE_ADDR_REG 0x282c +#define PCIE_BRIDGE_BAR1_REBASE_ADDR_REG 0x2834 +#define REBASE_ADDR_BASE_SHIFT 20 +#define REBASE_ADDR_BASE_MASK (0xfff << REBASE_ADDR_BASE_SHIFT) + +#define PCIE_BRIDGE_RC_INT_MASK_REG 0x2854 +#define PCIE_RC_INT_A (1 << 0) +#define PCIE_RC_INT_B (1 << 1) +#define PCIE_RC_INT_C (1 << 2) +#define PCIE_RC_INT_D (1 << 3) + +#define PCIE_DEVICE_OFFSET 0x8000 + #endif /* BCM63XX_REGS_H_ */ diff --git a/arch/mips/include/asm/mach-bcm63xx/ioremap.h b/arch/mips/include/asm/mach-bcm63xx/ioremap.h index ef94ba7..30931c4 100644 --- a/arch/mips/include/asm/mach-bcm63xx/ioremap.h +++ b/arch/mips/include/asm/mach-bcm63xx/ioremap.h @@ -18,6 +18,7 @@ static inline int is_bcm63xx_internal_registers(phys_t offset) if (offset >= 0xfff00000) return 1; break; + case BCM6328_CPU_ID: case BCM6368_CPU_ID: if (offset >= 0xb0000000 && offset < 0xb1000000) return 1; diff --git a/arch/mips/include/asm/mach-cavium-octeon/irq.h b/arch/mips/include/asm/mach-cavium-octeon/irq.h index 5b05f18..4189920 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/irq.h +++ b/arch/mips/include/asm/mach-cavium-octeon/irq.h @@ -41,61 +41,26 @@ enum octeon_irq { OCTEON_IRQ_TWSI, OCTEON_IRQ_TWSI2, OCTEON_IRQ_RML, - OCTEON_IRQ_TRACE0, - OCTEON_IRQ_GMX_DRP0 = OCTEON_IRQ_TRACE0 + 4, - OCTEON_IRQ_IPD_DRP = OCTEON_IRQ_GMX_DRP0 + 5, - OCTEON_IRQ_KEY_ZERO, OCTEON_IRQ_TIMER0, OCTEON_IRQ_TIMER1, OCTEON_IRQ_TIMER2, OCTEON_IRQ_TIMER3, OCTEON_IRQ_USB0, OCTEON_IRQ_USB1, - OCTEON_IRQ_PCM, - OCTEON_IRQ_MPI, - OCTEON_IRQ_POWIQ, - OCTEON_IRQ_IPDPPTHR, OCTEON_IRQ_MII0, OCTEON_IRQ_MII1, OCTEON_IRQ_BOOTDMA, - - OCTEON_IRQ_NAND, - OCTEON_IRQ_MIO, /* Summary of MIO_BOOT_ERR */ - OCTEON_IRQ_IOB, /* Summary of IOB_INT_SUM */ - OCTEON_IRQ_FPA, /* Summary of FPA_INT_SUM */ - OCTEON_IRQ_POW, /* Summary of POW_ECC_ERR */ - OCTEON_IRQ_L2C, /* Summary of L2C_INT_STAT */ - OCTEON_IRQ_IPD, /* Summary of IPD_INT_SUM */ - OCTEON_IRQ_PIP, /* Summary of PIP_INT_REG */ - OCTEON_IRQ_PKO, /* Summary of PKO_REG_ERROR */ - OCTEON_IRQ_ZIP, /* Summary of ZIP_ERROR */ - OCTEON_IRQ_TIM, /* Summary of TIM_REG_ERROR */ - OCTEON_IRQ_RAD, /* Summary of RAD_REG_ERROR */ - OCTEON_IRQ_KEY, /* Summary of KEY_INT_SUM */ - OCTEON_IRQ_DFA, /* Summary of DFA */ - OCTEON_IRQ_USBCTL, /* Summary of USBN0_INT_SUM */ - OCTEON_IRQ_SLI, /* Summary of SLI_INT_SUM */ - OCTEON_IRQ_DPI, /* Summary of DPI_INT_SUM */ - OCTEON_IRQ_AGX0, /* Summary of GMX0*+PCS0_INT*_REG */ - OCTEON_IRQ_AGL = OCTEON_IRQ_AGX0 + 5, - OCTEON_IRQ_PTP, - OCTEON_IRQ_PEM0, - OCTEON_IRQ_PEM1, - OCTEON_IRQ_SRIO0, - OCTEON_IRQ_SRIO1, - OCTEON_IRQ_LMC0, - OCTEON_IRQ_DFM = OCTEON_IRQ_LMC0 + 4, /* Summary of DFM */ - OCTEON_IRQ_RST, +#ifndef CONFIG_PCI_MSI + OCTEON_IRQ_LAST = 127 +#endif }; #ifdef CONFIG_PCI_MSI -/* 152 - 407 represent the MSI interrupts 0-255 */ -#define OCTEON_IRQ_MSI_BIT0 (OCTEON_IRQ_RST + 1) +/* 256 - 511 represent the MSI interrupts 0-255 */ +#define OCTEON_IRQ_MSI_BIT0 (256) #define OCTEON_IRQ_MSI_LAST (OCTEON_IRQ_MSI_BIT0 + 255) #define OCTEON_IRQ_LAST (OCTEON_IRQ_MSI_LAST + 1) -#else -#define OCTEON_IRQ_LAST (OCTEON_IRQ_RST + 1) #endif #endif diff --git a/arch/mips/include/asm/mach-jz4740/jz4740_nand.h b/arch/mips/include/asm/mach-jz4740/jz4740_nand.h index bb5b9a4..986982d 100644 --- a/arch/mips/include/asm/mach-jz4740/jz4740_nand.h +++ b/arch/mips/include/asm/mach-jz4740/jz4740_nand.h @@ -19,6 +19,8 @@ #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> +#define JZ_NAND_NUM_BANKS 4 + struct jz_nand_platform_data { int num_partitions; struct mtd_partition *partitions; @@ -27,6 +29,8 @@ struct jz_nand_platform_data { unsigned int busy_gpio; + unsigned char banks[JZ_NAND_NUM_BANKS]; + void (*ident_callback)(struct platform_device *, struct nand_chip *, struct mtd_partition **, int *num_partitions); }; diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h index 1e29b9d..06367c3 100644 --- a/arch/mips/include/asm/mach-loongson/loongson.h +++ b/arch/mips/include/asm/mach-loongson/loongson.h @@ -14,6 +14,7 @@ #include <linux/io.h> #include <linux/init.h> #include <linux/irq.h> +#include <linux/kconfig.h> /* loongson internal northbridge initialization */ extern void bonito_irq_init(void); @@ -66,7 +67,7 @@ extern int mach_i8259_irq(void); #include <linux/interrupt.h> static inline void do_perfcnt_IRQ(void) { -#if defined(CONFIG_OPROFILE) || defined(CONFIG_OPROFILE_MODULE) +#if IS_ENABLED(CONFIG_OPROFILE) do_IRQ(LOONGSON2_PERFCNT_IRQ); #endif } diff --git a/arch/mips/include/asm/mach-loongson1/irq.h b/arch/mips/include/asm/mach-loongson1/irq.h new file mode 100644 index 0000000..da96ed4 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/irq.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * IRQ mappings for Loongson 1 + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + + +#ifndef __ASM_MACH_LOONGSON1_IRQ_H +#define __ASM_MACH_LOONGSON1_IRQ_H + +/* + * CPU core Interrupt Numbers + */ +#define MIPS_CPU_IRQ_BASE 0 +#define MIPS_CPU_IRQ(x) (MIPS_CPU_IRQ_BASE + (x)) + +#define SOFTINT0_IRQ MIPS_CPU_IRQ(0) +#define SOFTINT1_IRQ MIPS_CPU_IRQ(1) +#define INT0_IRQ MIPS_CPU_IRQ(2) +#define INT1_IRQ MIPS_CPU_IRQ(3) +#define INT2_IRQ MIPS_CPU_IRQ(4) +#define INT3_IRQ MIPS_CPU_IRQ(5) +#define INT4_IRQ MIPS_CPU_IRQ(6) +#define TIMER_IRQ MIPS_CPU_IRQ(7) /* cpu timer */ + +#define MIPS_CPU_IRQS (MIPS_CPU_IRQ(7) + 1 - MIPS_CPU_IRQ_BASE) + +/* + * INT0~3 Interrupt Numbers + */ +#define LS1X_IRQ_BASE MIPS_CPU_IRQS +#define LS1X_IRQ(n, x) (LS1X_IRQ_BASE + (n << 5) + (x)) + +#define LS1X_UART0_IRQ LS1X_IRQ(0, 2) +#define LS1X_UART1_IRQ LS1X_IRQ(0, 3) +#define LS1X_UART2_IRQ LS1X_IRQ(0, 4) +#define LS1X_UART3_IRQ LS1X_IRQ(0, 5) +#define LS1X_CAN0_IRQ LS1X_IRQ(0, 6) +#define LS1X_CAN1_IRQ LS1X_IRQ(0, 7) +#define LS1X_SPI0_IRQ LS1X_IRQ(0, 8) +#define LS1X_SPI1_IRQ LS1X_IRQ(0, 9) +#define LS1X_AC97_IRQ LS1X_IRQ(0, 10) +#define LS1X_DMA0_IRQ LS1X_IRQ(0, 13) +#define LS1X_DMA1_IRQ LS1X_IRQ(0, 14) +#define LS1X_DMA2_IRQ LS1X_IRQ(0, 15) +#define LS1X_PWM0_IRQ LS1X_IRQ(0, 17) +#define LS1X_PWM1_IRQ LS1X_IRQ(0, 18) +#define LS1X_PWM2_IRQ LS1X_IRQ(0, 19) +#define LS1X_PWM3_IRQ LS1X_IRQ(0, 20) +#define LS1X_RTC_INT0_IRQ LS1X_IRQ(0, 21) +#define LS1X_RTC_INT1_IRQ LS1X_IRQ(0, 22) +#define LS1X_RTC_INT2_IRQ LS1X_IRQ(0, 23) +#define LS1X_TOY_INT0_IRQ LS1X_IRQ(0, 24) +#define LS1X_TOY_INT1_IRQ LS1X_IRQ(0, 25) +#define LS1X_TOY_INT2_IRQ LS1X_IRQ(0, 26) +#define LS1X_RTC_TICK_IRQ LS1X_IRQ(0, 27) +#define LS1X_TOY_TICK_IRQ LS1X_IRQ(0, 28) + +#define LS1X_EHCI_IRQ LS1X_IRQ(1, 0) +#define LS1X_OHCI_IRQ LS1X_IRQ(1, 1) +#define LS1X_GMAC0_IRQ LS1X_IRQ(1, 2) +#define LS1X_GMAC1_IRQ LS1X_IRQ(1, 3) + +#define LS1X_IRQS (LS1X_IRQ(4, 31) + 1 - LS1X_IRQ_BASE) + +#define NR_IRQS (MIPS_CPU_IRQS + LS1X_IRQS) + +#endif /* __ASM_MACH_LOONGSON1_IRQ_H */ diff --git a/arch/mips/include/asm/mach-loongson1/loongson1.h b/arch/mips/include/asm/mach-loongson1/loongson1.h new file mode 100644 index 0000000..4e18e88 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/loongson1.h @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * Register mappings for Loongson 1 + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + + +#ifndef __ASM_MACH_LOONGSON1_LOONGSON1_H +#define __ASM_MACH_LOONGSON1_LOONGSON1_H + +#define DEFAULT_MEMSIZE 256 /* If no memsize provided */ + +/* Loongson 1 Register Bases */ +#define LS1X_INTC_BASE 0x1fd01040 +#define LS1X_EHCI_BASE 0x1fe00000 +#define LS1X_OHCI_BASE 0x1fe08000 +#define LS1X_GMAC0_BASE 0x1fe10000 +#define LS1X_GMAC1_BASE 0x1fe20000 + +#define LS1X_UART0_BASE 0x1fe40000 +#define LS1X_UART1_BASE 0x1fe44000 +#define LS1X_UART2_BASE 0x1fe48000 +#define LS1X_UART3_BASE 0x1fe4c000 +#define LS1X_CAN0_BASE 0x1fe50000 +#define LS1X_CAN1_BASE 0x1fe54000 +#define LS1X_I2C0_BASE 0x1fe58000 +#define LS1X_I2C1_BASE 0x1fe68000 +#define LS1X_I2C2_BASE 0x1fe70000 +#define LS1X_PWM_BASE 0x1fe5c000 +#define LS1X_WDT_BASE 0x1fe5c060 +#define LS1X_RTC_BASE 0x1fe64000 +#define LS1X_AC97_BASE 0x1fe74000 +#define LS1X_NAND_BASE 0x1fe78000 +#define LS1X_CLK_BASE 0x1fe78030 + +#include <regs-clk.h> +#include <regs-wdt.h> + +#endif /* __ASM_MACH_LOONGSON1_LOONGSON1_H */ diff --git a/arch/mips/include/asm/mach-loongson1/platform.h b/arch/mips/include/asm/mach-loongson1/platform.h new file mode 100644 index 0000000..2f17161 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/platform.h @@ -0,0 +1,23 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + + +#ifndef __ASM_MACH_LOONGSON1_PLATFORM_H +#define __ASM_MACH_LOONGSON1_PLATFORM_H + +#include <linux/platform_device.h> + +extern struct platform_device ls1x_uart_device; +extern struct platform_device ls1x_eth0_device; +extern struct platform_device ls1x_ehci_device; +extern struct platform_device ls1x_rtc_device; + +void ls1x_serial_setup(void); + +#endif /* __ASM_MACH_LOONGSON1_PLATFORM_H */ diff --git a/arch/mips/include/asm/mach-loongson1/prom.h b/arch/mips/include/asm/mach-loongson1/prom.h new file mode 100644 index 0000000..b871dc4 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/prom.h @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __ASM_MACH_LOONGSON1_PROM_H +#define __ASM_MACH_LOONGSON1_PROM_H + +#include <linux/io.h> +#include <linux/init.h> +#include <linux/irq.h> + +/* environment arguments from bootloader */ +extern unsigned long memsize, highmemsize; + +/* loongson-specific command line, env and memory initialization */ +extern char *prom_getenv(char *name); +extern void __init prom_init_cmdline(void); + +#endif /* __ASM_MACH_LOONGSON1_PROM_H */ diff --git a/arch/mips/include/asm/mach-loongson1/regs-clk.h b/arch/mips/include/asm/mach-loongson1/regs-clk.h new file mode 100644 index 0000000..8efa7fb --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/regs-clk.h @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * Loongson 1 Clock Register Definitions. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __ASM_MACH_LOONGSON1_REGS_CLK_H +#define __ASM_MACH_LOONGSON1_REGS_CLK_H + +#define LS1X_CLK_REG(x) \ + ((void __iomem *)KSEG1ADDR(LS1X_CLK_BASE + (x))) + +#define LS1X_CLK_PLL_FREQ LS1X_CLK_REG(0x0) +#define LS1X_CLK_PLL_DIV LS1X_CLK_REG(0x4) + +/* Clock PLL Divisor Register Bits */ +#define DIV_DC_EN (0x1 << 31) +#define DIV_DC (0x1f << 26) +#define DIV_CPU_EN (0x1 << 25) +#define DIV_CPU (0x1f << 20) +#define DIV_DDR_EN (0x1 << 19) +#define DIV_DDR (0x1f << 14) + +#define DIV_DC_SHIFT 26 +#define DIV_CPU_SHIFT 20 +#define DIV_DDR_SHIFT 14 + +#endif /* __ASM_MACH_LOONGSON1_REGS_CLK_H */ diff --git a/arch/mips/include/asm/mach-loongson1/regs-wdt.h b/arch/mips/include/asm/mach-loongson1/regs-wdt.h new file mode 100644 index 0000000..f897de6 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/regs-wdt.h @@ -0,0 +1,22 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * Loongson 1 watchdog register definitions. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __ASM_MACH_LOONGSON1_REGS_WDT_H +#define __ASM_MACH_LOONGSON1_REGS_WDT_H + +#define LS1X_WDT_REG(x) \ + ((void __iomem *)KSEG1ADDR(LS1X_WDT_BASE + (x))) + +#define LS1X_WDT_EN LS1X_WDT_REG(0x0) +#define LS1X_WDT_SET LS1X_WDT_REG(0x4) +#define LS1X_WDT_TIMER LS1X_WDT_REG(0x8) + +#endif /* __ASM_MACH_LOONGSON1_REGS_WDT_H */ diff --git a/arch/mips/include/asm/mach-loongson1/war.h b/arch/mips/include/asm/mach-loongson1/war.h new file mode 100644 index 0000000..e3680a8 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/war.h @@ -0,0 +1,25 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org> + */ +#ifndef __ASM_MACH_LOONGSON1_WAR_H +#define __ASM_MACH_LOONGSON1_WAR_H + +#define R4600_V1_INDEX_ICACHEOP_WAR 0 +#define R4600_V1_HIT_CACHEOP_WAR 0 +#define R4600_V2_HIT_CACHEOP_WAR 0 +#define R5432_CP0_INTERRUPT_WAR 0 +#define BCM1250_M3_WAR 0 +#define SIBYTE_1956_WAR 0 +#define MIPS4K_ICACHE_REFILL_WAR 0 +#define MIPS_CACHE_SYNC_WAR 0 +#define TX49XX_ICACHE_INDEX_INV_WAR 0 +#define RM9000_CDEX_SMP_WAR 0 +#define ICACHE_REFILLS_WORKAROUND_WAR 0 +#define R10000_LLSC_WAR 0 +#define MIPS34K_MISSED_ITLB_WAR 0 + +#endif /* __ASM_MACH_LOONGSON1_WAR_H */ diff --git a/arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h b/arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h index d193fb6..966db4b 100644 --- a/arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h @@ -48,7 +48,6 @@ #define cpu_has_userlocal 1 #define cpu_has_mips32r2 1 #define cpu_has_mips64r2 1 -#define cpu_has_dc_aliases 1 #else #error "Unknown Netlogic CPU" #endif diff --git a/arch/mips/include/asm/mach-tx49xx/mangle-port.h b/arch/mips/include/asm/mach-tx49xx/mangle-port.h index 5e6912f..490867b 100644 --- a/arch/mips/include/asm/mach-tx49xx/mangle-port.h +++ b/arch/mips/include/asm/mach-tx49xx/mangle-port.h @@ -9,7 +9,7 @@ #define ioswabb(a, x) (x) #define __mem_ioswabb(a, x) (x) #if defined(CONFIG_TOSHIBA_RBTX4939) && \ - (defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)) && \ + IS_ENABLED(CONFIG_SMC91X) && \ defined(__BIG_ENDIAN) #define NEEDS_TXX9_IOSWABW extern u16 (*ioswabw)(volatile u16 *a, u16 x); diff --git a/arch/mips/include/asm/mipsmtregs.h b/arch/mips/include/asm/mipsmtregs.h index e71ff4c..5b3cb85 100644 --- a/arch/mips/include/asm/mipsmtregs.h +++ b/arch/mips/include/asm/mipsmtregs.h @@ -28,6 +28,9 @@ #define read_c0_vpeconf0() __read_32bit_c0_register($1, 2) #define write_c0_vpeconf0(val) __write_32bit_c0_register($1, 2, val) +#define read_c0_vpeconf1() __read_32bit_c0_register($1, 3) +#define write_c0_vpeconf1(val) __write_32bit_c0_register($1, 3, val) + #define read_c0_tcstatus() __read_32bit_c0_register($2, 1) #define write_c0_tcstatus(val) __write_32bit_c0_register($2, 1, val) @@ -124,6 +127,14 @@ #define VPECONF0_XTC_SHIFT 21 #define VPECONF0_XTC (_ULCAST_(0xff) << VPECONF0_XTC_SHIFT) +/* VPEConf1 fields (per VPE) */ +#define VPECONF1_NCP1_SHIFT 0 +#define VPECONF1_NCP1 (_ULCAST_(0xff) << VPECONF1_NCP1_SHIFT) +#define VPECONF1_NCP2_SHIFT 10 +#define VPECONF1_NCP2 (_ULCAST_(0xff) << VPECONF1_NCP2_SHIFT) +#define VPECONF1_NCX_SHIFT 20 +#define VPECONF1_NCX (_ULCAST_(0xff) << VPECONF1_NCX_SHIFT) + /* TCStatus fields (per TC) */ #define TCSTATUS_TASID (_ULCAST_(0xff)) #define TCSTATUS_IXMT_SHIFT 10 @@ -350,6 +361,8 @@ do { \ #define write_vpe_c0_vpecontrol(val) mttc0(1, 1, val) #define read_vpe_c0_vpeconf0() mftc0(1, 2) #define write_vpe_c0_vpeconf0(val) mttc0(1, 2, val) +#define read_vpe_c0_vpeconf1() mftc0(1, 3) +#define write_vpe_c0_vpeconf1(val) mttc0(1, 3, val) #define read_vpe_c0_count() mftc0(9, 0) #define write_vpe_c0_count(val) mttc0(9, 0, val) #define read_vpe_c0_status() mftc0(12, 0) diff --git a/arch/mips/include/asm/module.h b/arch/mips/include/asm/module.h index 5300080..7531ecd 100644 --- a/arch/mips/include/asm/module.h +++ b/arch/mips/include/asm/module.h @@ -117,6 +117,8 @@ search_module_dbetables(unsigned long addr) #define MODULE_PROC_FAMILY "RM9000 " #elif defined CONFIG_CPU_SB1 #define MODULE_PROC_FAMILY "SB1 " +#elif defined CONFIG_CPU_LOONGSON1 +#define MODULE_PROC_FAMILY "LOONGSON1 " #elif defined CONFIG_CPU_LOONGSON2 #define MODULE_PROC_FAMILY "LOONGSON2 " #elif defined CONFIG_CPU_CAVIUM_OCTEON diff --git a/arch/mips/include/asm/netlogic/xlp-hal/cpucontrol.h b/arch/mips/include/asm/netlogic/xlp-hal/cpucontrol.h index bf7d41d..7b63a6b 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/cpucontrol.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/cpucontrol.h @@ -47,7 +47,9 @@ #define CPU_BLOCKID_MAP 10 #define LSU_DEFEATURE 0x304 -#define LSU_CERRLOG_REGID 0x09 +#define LSU_DEBUG_ADDR 0x305 +#define LSU_DEBUG_DATA0 0x306 +#define LSU_CERRLOG_REGID 0x309 #define SCHED_DEFEATURE 0x700 /* Offsets of interest from the 'MAP' Block */ diff --git a/arch/mips/include/asm/netlogic/xlp-hal/iomap.h b/arch/mips/include/asm/netlogic/xlp-hal/iomap.h index 86cc339..2c63f97 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/iomap.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/iomap.h @@ -36,6 +36,9 @@ #define __NLM_HAL_IOMAP_H__ #define XLP_DEFAULT_IO_BASE 0x18000000 +#define XLP_DEFAULT_PCI_ECFG_BASE XLP_DEFAULT_IO_BASE +#define XLP_DEFAULT_PCI_CFG_BASE 0x1c000000 + #define NMI_BASE 0xbfc00000 #define XLP_IO_CLK 133333333 @@ -129,7 +132,7 @@ #define PCI_DEVICE_ID_NLM_PIC 0x1003 #define PCI_DEVICE_ID_NLM_PCIE 0x1004 #define PCI_DEVICE_ID_NLM_EHCI 0x1007 -#define PCI_DEVICE_ID_NLM_ILK 0x1008 +#define PCI_DEVICE_ID_NLM_OHCI 0x1008 #define PCI_DEVICE_ID_NLM_NAE 0x1009 #define PCI_DEVICE_ID_NLM_POE 0x100A #define PCI_DEVICE_ID_NLM_FMN 0x100B diff --git a/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h b/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h new file mode 100644 index 0000000..66c323d --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __NLM_HAL_PCIBUS_H__ +#define __NLM_HAL_PCIBUS_H__ + +/* PCIE Memory and IO regions */ +#define PCIE_MEM_BASE 0xd0000000ULL +#define PCIE_MEM_LIMIT 0xdfffffffULL +#define PCIE_IO_BASE 0x14000000ULL +#define PCIE_IO_LIMIT 0x15ffffffULL + +#define PCIE_BRIDGE_CMD 0x1 +#define PCIE_BRIDGE_MSI_CAP 0x14 +#define PCIE_BRIDGE_MSI_ADDRL 0x15 +#define PCIE_BRIDGE_MSI_ADDRH 0x16 +#define PCIE_BRIDGE_MSI_DATA 0x17 + +/* XLP Global PCIE configuration space registers */ +#define PCIE_BYTE_SWAP_MEM_BASE 0x247 +#define PCIE_BYTE_SWAP_MEM_LIM 0x248 +#define PCIE_BYTE_SWAP_IO_BASE 0x249 +#define PCIE_BYTE_SWAP_IO_LIM 0x24A +#define PCIE_MSI_STATUS 0x25A +#define PCIE_MSI_EN 0x25B +#define PCIE_INT_EN0 0x261 + +/* PCIE_MSI_EN */ +#define PCIE_MSI_VECTOR_INT_EN 0xFFFFFFFF + +/* PCIE_INT_EN0 */ +#define PCIE_MSI_INT_EN (1 << 9) + +#ifndef __ASSEMBLY__ + +#define nlm_read_pcie_reg(b, r) nlm_read_reg(b, r) +#define nlm_write_pcie_reg(b, r, v) nlm_write_reg(b, r, v) +#define nlm_get_pcie_base(node, inst) \ + nlm_pcicfg_base(XLP_IO_PCIE_OFFSET(node, inst)) +#define nlm_get_pcie_regbase(node, inst) \ + (nlm_get_pcie_base(node, inst) + XLP_IO_PCI_HDRSZ) + +int xlp_pcie_link_irt(int link); +#endif +#endif /* __NLM_HAL_PCIBUS_H__ */ diff --git a/arch/mips/include/asm/netlogic/xlp-hal/pic.h b/arch/mips/include/asm/netlogic/xlp-hal/pic.h index b6628f7..ad8b802 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/pic.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/pic.h @@ -201,7 +201,11 @@ #define PIC_NUM_USB_IRTS 6 #define PIC_IRT_USB_0_INDEX 115 #define PIC_IRT_EHCI_0_INDEX 115 +#define PIC_IRT_OHCI_0_INDEX 116 +#define PIC_IRT_OHCI_1_INDEX 117 #define PIC_IRT_EHCI_1_INDEX 118 +#define PIC_IRT_OHCI_2_INDEX 119 +#define PIC_IRT_OHCI_3_INDEX 120 #define PIC_IRT_USB_INDEX(num) ((num) + PIC_IRT_USB_0_INDEX) /* 115 to 120 */ #define PIC_IRT_GDX_INDEX 121 diff --git a/arch/mips/include/asm/netlogic/xlp-hal/usb.h b/arch/mips/include/asm/netlogic/xlp-hal/usb.h new file mode 100644 index 0000000..a9cd350 --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlp-hal/usb.h @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __NLM_HAL_USB_H__ +#define __NLM_HAL_USB_H__ + +#define USB_CTL_0 0x01 +#define USB_PHY_0 0x0A +#define USB_PHY_RESET 0x01 +#define USB_PHY_PORT_RESET_0 0x10 +#define USB_PHY_PORT_RESET_1 0x20 +#define USB_CONTROLLER_RESET 0x01 +#define USB_INT_STATUS 0x0E +#define USB_INT_EN 0x0F +#define USB_PHY_INTERRUPT_EN 0x01 +#define USB_OHCI_INTERRUPT_EN 0x02 +#define USB_OHCI_INTERRUPT1_EN 0x04 +#define USB_OHCI_INTERRUPT2_EN 0x08 +#define USB_CTRL_INTERRUPT_EN 0x10 + +#ifndef __ASSEMBLY__ + +#define nlm_read_usb_reg(b, r) nlm_read_reg(b, r) +#define nlm_write_usb_reg(b, r, v) nlm_write_reg(b, r, v) +#define nlm_get_usb_pcibase(node, inst) \ + nlm_pcicfg_base(XLP_IO_USB_OFFSET(node, inst)) +#define nlm_get_usb_hcd_base(node, inst) \ + nlm_xkphys_map_pcibar0(nlm_get_usb_pcibase(node, inst)) +#define nlm_get_usb_regbase(node, inst) \ + (nlm_get_usb_pcibase(node, inst) + XLP_IO_PCI_HDRSZ) + +#endif +#endif /* __NLM_HAL_USB_H__ */ diff --git a/arch/mips/include/asm/netlogic/xlp-hal/xlp.h b/arch/mips/include/asm/netlogic/xlp-hal/xlp.h index 1540588..7e47209 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/xlp.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/xlp.h @@ -35,8 +35,21 @@ #ifndef _NLM_HAL_XLP_H #define _NLM_HAL_XLP_H -#define PIC_UART_0_IRQ 17 -#define PIC_UART_1_IRQ 18 +#define PIC_UART_0_IRQ 17 +#define PIC_UART_1_IRQ 18 +#define PIC_PCIE_LINK_0_IRQ 19 +#define PIC_PCIE_LINK_1_IRQ 20 +#define PIC_PCIE_LINK_2_IRQ 21 +#define PIC_PCIE_LINK_3_IRQ 22 +#define PIC_EHCI_0_IRQ 23 +#define PIC_EHCI_1_IRQ 24 +#define PIC_OHCI_0_IRQ 25 +#define PIC_OHCI_1_IRQ 26 +#define PIC_OHCI_2_IRQ 27 +#define PIC_OHCI_3_IRQ 28 +#define PIC_MMC_IRQ 29 +#define PIC_I2C_0_IRQ 30 +#define PIC_I2C_1_IRQ 31 #ifndef __ASSEMBLY__ diff --git a/arch/mips/include/asm/netlogic/xlr/bridge.h b/arch/mips/include/asm/netlogic/xlr/bridge.h new file mode 100644 index 0000000..2d02428 --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlr/bridge.h @@ -0,0 +1,104 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef _ASM_NLM_BRIDGE_H_ +#define _ASM_NLM_BRIDGE_H_ + +#define BRIDGE_DRAM_0_BAR 0 +#define BRIDGE_DRAM_1_BAR 1 +#define BRIDGE_DRAM_2_BAR 2 +#define BRIDGE_DRAM_3_BAR 3 +#define BRIDGE_DRAM_4_BAR 4 +#define BRIDGE_DRAM_5_BAR 5 +#define BRIDGE_DRAM_6_BAR 6 +#define BRIDGE_DRAM_7_BAR 7 +#define BRIDGE_DRAM_CHN_0_MTR_0_BAR 8 +#define BRIDGE_DRAM_CHN_0_MTR_1_BAR 9 +#define BRIDGE_DRAM_CHN_0_MTR_2_BAR 10 +#define BRIDGE_DRAM_CHN_0_MTR_3_BAR 11 +#define BRIDGE_DRAM_CHN_0_MTR_4_BAR 12 +#define BRIDGE_DRAM_CHN_0_MTR_5_BAR 13 +#define BRIDGE_DRAM_CHN_0_MTR_6_BAR 14 +#define BRIDGE_DRAM_CHN_0_MTR_7_BAR 15 +#define BRIDGE_DRAM_CHN_1_MTR_0_BAR 16 +#define BRIDGE_DRAM_CHN_1_MTR_1_BAR 17 +#define BRIDGE_DRAM_CHN_1_MTR_2_BAR 18 +#define BRIDGE_DRAM_CHN_1_MTR_3_BAR 19 +#define BRIDGE_DRAM_CHN_1_MTR_4_BAR 20 +#define BRIDGE_DRAM_CHN_1_MTR_5_BAR 21 +#define BRIDGE_DRAM_CHN_1_MTR_6_BAR 22 +#define BRIDGE_DRAM_CHN_1_MTR_7_BAR 23 +#define BRIDGE_CFG_BAR 24 +#define BRIDGE_PHNX_IO_BAR 25 +#define BRIDGE_FLASH_BAR 26 +#define BRIDGE_SRAM_BAR 27 +#define BRIDGE_HTMEM_BAR 28 +#define BRIDGE_HTINT_BAR 29 +#define BRIDGE_HTPIC_BAR 30 +#define BRIDGE_HTSM_BAR 31 +#define BRIDGE_HTIO_BAR 32 +#define BRIDGE_HTCFG_BAR 33 +#define BRIDGE_PCIXCFG_BAR 34 +#define BRIDGE_PCIXMEM_BAR 35 +#define BRIDGE_PCIXIO_BAR 36 +#define BRIDGE_DEVICE_MASK 37 +#define BRIDGE_AERR_INTR_LOG1 38 +#define BRIDGE_AERR_INTR_LOG2 39 +#define BRIDGE_AERR_INTR_LOG3 40 +#define BRIDGE_AERR_DEV_STAT 41 +#define BRIDGE_AERR1_LOG1 42 +#define BRIDGE_AERR1_LOG2 43 +#define BRIDGE_AERR1_LOG3 44 +#define BRIDGE_AERR1_DEV_STAT 45 +#define BRIDGE_AERR_INTR_EN 46 +#define BRIDGE_AERR_UPG 47 +#define BRIDGE_AERR_CLEAR 48 +#define BRIDGE_AERR1_CLEAR 49 +#define BRIDGE_SBE_COUNTS 50 +#define BRIDGE_DBE_COUNTS 51 +#define BRIDGE_BITERR_INT_EN 52 + +#define BRIDGE_SYS2IO_CREDITS 53 +#define BRIDGE_EVNT_CNT_CTRL1 54 +#define BRIDGE_EVNT_COUNTER1 55 +#define BRIDGE_EVNT_CNT_CTRL2 56 +#define BRIDGE_EVNT_COUNTER2 57 +#define BRIDGE_RESERVED1 58 + +#define BRIDGE_DEFEATURE 59 +#define BRIDGE_SCRATCH0 60 +#define BRIDGE_SCRATCH1 61 +#define BRIDGE_SCRATCH2 62 +#define BRIDGE_SCRATCH3 63 + +#endif diff --git a/arch/mips/include/asm/netlogic/xlr/flash.h b/arch/mips/include/asm/netlogic/xlr/flash.h new file mode 100644 index 0000000..f8aca54 --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlr/flash.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef _ASM_NLM_FLASH_H_ +#define _ASM_NLM_FLASH_H_ + +#define FLASH_CSBASE_ADDR(cs) (cs) +#define FLASH_CSADDR_MASK(cs) (0x10 + (cs)) +#define FLASH_CSDEV_PARM(cs) (0x20 + (cs)) +#define FLASH_CSTIME_PARMA(cs) (0x30 + (cs)) +#define FLASH_CSTIME_PARMB(cs) (0x40 + (cs)) + +#define FLASH_INT_MASK 0x50 +#define FLASH_INT_STATUS 0x60 +#define FLASH_ERROR_STATUS 0x70 +#define FLASH_ERROR_ADDR 0x80 + +#define FLASH_NAND_CLE(cs) (0x90 + (cs)) +#define FLASH_NAND_ALE(cs) (0xa0 + (cs)) + +#define FLASH_NAND_CSDEV_PARAM 0x000041e6 +#define FLASH_NAND_CSTIME_PARAMA 0x4f400e22 +#define FLASH_NAND_CSTIME_PARAMB 0x000083cf + +#endif diff --git a/arch/mips/include/asm/netlogic/xlr/gpio.h b/arch/mips/include/asm/netlogic/xlr/gpio.h index 51f6ad4..8492e83 100644 --- a/arch/mips/include/asm/netlogic/xlr/gpio.h +++ b/arch/mips/include/asm/netlogic/xlr/gpio.h @@ -35,39 +35,40 @@ #ifndef _ASM_NLM_GPIO_H #define _ASM_NLM_GPIO_H -#define NETLOGIC_GPIO_INT_EN_REG 0 -#define NETLOGIC_GPIO_INPUT_INVERSION_REG 1 -#define NETLOGIC_GPIO_IO_DIR_REG 2 -#define NETLOGIC_GPIO_IO_DATA_WR_REG 3 -#define NETLOGIC_GPIO_IO_DATA_RD_REG 4 +#define GPIO_INT_EN_REG 0 +#define GPIO_INPUT_INVERSION_REG 1 +#define GPIO_IO_DIR_REG 2 +#define GPIO_IO_DATA_WR_REG 3 +#define GPIO_IO_DATA_RD_REG 4 -#define NETLOGIC_GPIO_SWRESET_REG 8 -#define NETLOGIC_GPIO_DRAM1_CNTRL_REG 9 -#define NETLOGIC_GPIO_DRAM1_RATIO_REG 10 -#define NETLOGIC_GPIO_DRAM1_RESET_REG 11 -#define NETLOGIC_GPIO_DRAM1_STATUS_REG 12 -#define NETLOGIC_GPIO_DRAM2_CNTRL_REG 13 -#define NETLOGIC_GPIO_DRAM2_RATIO_REG 14 -#define NETLOGIC_GPIO_DRAM2_RESET_REG 15 -#define NETLOGIC_GPIO_DRAM2_STATUS_REG 16 +#define GPIO_SWRESET_REG 8 +#define GPIO_DRAM1_CNTRL_REG 9 +#define GPIO_DRAM1_RATIO_REG 10 +#define GPIO_DRAM1_RESET_REG 11 +#define GPIO_DRAM1_STATUS_REG 12 +#define GPIO_DRAM2_CNTRL_REG 13 +#define GPIO_DRAM2_RATIO_REG 14 +#define GPIO_DRAM2_RESET_REG 15 +#define GPIO_DRAM2_STATUS_REG 16 -#define NETLOGIC_GPIO_PWRON_RESET_CFG_REG 21 -#define NETLOGIC_GPIO_BIST_ALL_GO_STATUS_REG 24 -#define NETLOGIC_GPIO_BIST_CPU_GO_STATUS_REG 25 -#define NETLOGIC_GPIO_BIST_DEV_GO_STATUS_REG 26 +#define GPIO_PWRON_RESET_CFG_REG 21 +#define GPIO_BIST_ALL_GO_STATUS_REG 24 +#define GPIO_BIST_CPU_GO_STATUS_REG 25 +#define GPIO_BIST_DEV_GO_STATUS_REG 26 -#define NETLOGIC_GPIO_FUSE_BANK_REG 35 -#define NETLOGIC_GPIO_CPU_RESET_REG 40 -#define NETLOGIC_GPIO_RNG_REG 43 +#define GPIO_FUSE_BANK_REG 35 +#define GPIO_CPU_RESET_REG 40 +#define GPIO_RNG_REG 43 -#define NETLOGIC_PWRON_RESET_PCMCIA_BOOT 17 -#define NETLOGIC_GPIO_LED_BITMAP 0x1700000 -#define NETLOGIC_GPIO_LED_0_SHIFT 20 -#define NETLOGIC_GPIO_LED_1_SHIFT 24 +#define PWRON_RESET_PCMCIA_BOOT 17 -#define NETLOGIC_GPIO_LED_OUTPUT_CODE_RESET 0x01 -#define NETLOGIC_GPIO_LED_OUTPUT_CODE_HARD_RESET 0x02 -#define NETLOGIC_GPIO_LED_OUTPUT_CODE_SOFT_RESET 0x03 -#define NETLOGIC_GPIO_LED_OUTPUT_CODE_MAIN 0x04 +#define GPIO_LED_BITMAP 0x1700000 +#define GPIO_LED_0_SHIFT 20 +#define GPIO_LED_1_SHIFT 24 + +#define GPIO_LED_OUTPUT_CODE_RESET 0x01 +#define GPIO_LED_OUTPUT_CODE_HARD_RESET 0x02 +#define GPIO_LED_OUTPUT_CODE_SOFT_RESET 0x03 +#define GPIO_LED_OUTPUT_CODE_MAIN 0x04 #endif diff --git a/arch/mips/include/asm/octeon/cvmx-helper-fpa.h b/arch/mips/include/asm/octeon/cvmx-helper-fpa.h deleted file mode 100644 index 5ff8c93..0000000 --- a/arch/mips/include/asm/octeon/cvmx-helper-fpa.h +++ /dev/null @@ -1,64 +0,0 @@ -/***********************license start*************** - * Author: Cavium Networks - * - * Contact: support@caviumnetworks.com - * This file is part of the OCTEON SDK - * - * Copyright (c) 2003-2008 Cavium Networks - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, Version 2, as - * published by the Free Software Foundation. - * - * This file is distributed in the hope that it will be useful, but - * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or - * NONINFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this file; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * or visit http://www.gnu.org/licenses/. - * - * This file may also be available under a different license from Cavium. - * Contact Cavium Networks for more information - ***********************license end**************************************/ - -/** - * @file - * - * Helper functions for FPA setup. - * - */ -#ifndef __CVMX_HELPER_H_FPA__ -#define __CVMX_HELPER_H_FPA__ - -/** - * Allocate memory and initialize the FPA pools using memory - * from cvmx-bootmem. Sizes of each element in the pools is - * controlled by the cvmx-config.h header file. Specifying - * zero for any parameter will cause that FPA pool to not be - * setup. This is useful if you aren't using some of the - * hardware and want to save memory. - * - * @packet_buffers: - * Number of packet buffers to allocate - * @work_queue_entries: - * Number of work queue entries - * @pko_buffers: - * PKO Command buffers. You should at minimum have two per - * each PKO queue. - * @tim_buffers: - * TIM ring buffer command queues. At least two per timer bucket - * is recommened. - * @dfa_buffers: - * DFA command buffer. A relatively small (32 for example) - * number should work. - * Returns Zero on success, non-zero if out of memory - */ -extern int cvmx_helper_initialize_fpa(int packet_buffers, - int work_queue_entries, int pko_buffers, - int tim_buffers, int dfa_buffers); - -#endif /* __CVMX_HELPER_H__ */ diff --git a/arch/mips/include/asm/octeon/cvmx-helper.h b/arch/mips/include/asm/octeon/cvmx-helper.h index 3169cd7..0ac6b9f 100644 --- a/arch/mips/include/asm/octeon/cvmx-helper.h +++ b/arch/mips/include/asm/octeon/cvmx-helper.h @@ -61,8 +61,6 @@ typedef union { } s; } cvmx_helper_link_info_t; -#include "cvmx-helper-fpa.h" - #include <asm/octeon/cvmx-helper-errata.h> #include "cvmx-helper-loop.h" #include "cvmx-helper-npi.h" diff --git a/arch/mips/include/asm/octeon/octeon.h b/arch/mips/include/asm/octeon/octeon.h index f72f768..1e2486e 100644 --- a/arch/mips/include/asm/octeon/octeon.h +++ b/arch/mips/include/asm/octeon/octeon.h @@ -215,11 +215,6 @@ struct octeon_cf_data { int dma_engine; /* -1 for no DMA */ }; -struct octeon_i2c_data { - unsigned int sys_freq; - unsigned int i2c_freq; -}; - extern void octeon_write_lcd(const char *s); extern void octeon_check_cpu_bist(void); extern int octeon_get_boot_debug_flag(void); diff --git a/arch/mips/include/asm/prom.h b/arch/mips/include/asm/prom.h index 7206d44..8808bf5 100644 --- a/arch/mips/include/asm/prom.h +++ b/arch/mips/include/asm/prom.h @@ -20,9 +20,6 @@ extern int early_init_dt_scan_memory_arch(unsigned long node, const char *uname, int depth, void *data); -extern int reserve_mem_mach(unsigned long addr, unsigned long size); -extern void free_mem_mach(unsigned long addr, unsigned long size); - extern void device_tree_init(void); static inline unsigned long pci_address_to_pio(phys_addr_t address) diff --git a/arch/mips/include/asm/smtc.h b/arch/mips/include/asm/smtc.h index c9736fc..8935426 100644 --- a/arch/mips/include/asm/smtc.h +++ b/arch/mips/include/asm/smtc.h @@ -33,6 +33,12 @@ typedef long asiduse; #endif #endif +/* + * VPE Management information + */ + +#define MAX_SMTC_VPES MAX_SMTC_TLBS /* FIXME: May not always be true. */ + extern asiduse smtc_live_asid[MAX_SMTC_TLBS][MAX_SMTC_ASIDS]; struct mm_struct; diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index 653a412..3b92efe 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h @@ -687,7 +687,7 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n); __MODULE_JAL(__copy_user) \ : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) \ : \ - : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31", \ + : "$8", "$9", "$10", "$11", "$12", "$14", "$15", "$24", "$31", \ DADDI_SCRATCH, "memory"); \ __cu_len_r; \ }) @@ -797,7 +797,7 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); ".set\treorder" \ : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) \ : \ - : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31", \ + : "$8", "$9", "$10", "$11", "$12", "$14", "$15", "$24", "$31", \ DADDI_SCRATCH, "memory"); \ __cu_len_r; \ }) @@ -820,7 +820,7 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); ".set\treorder" \ : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) \ : \ - : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31", \ + : "$8", "$9", "$10", "$11", "$12", "$14", "$15", "$24", "$31", \ DADDI_SCRATCH, "memory"); \ __cu_len_r; \ }) diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h index 440a21d..3d9f75f 100644 --- a/arch/mips/include/asm/uasm.h +++ b/arch/mips/include/asm/uasm.h @@ -6,6 +6,7 @@ * Copyright (C) 2004, 2005, 2006, 2008 Thiemo Seufer * Copyright (C) 2005 Maciej W. Rozycki * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 2012 MIPS Technologies, Inc. */ #include <linux/types.h> @@ -62,8 +63,10 @@ void __uasminit uasm_i##op(u32 **buf, unsigned int a, signed int b) Ip_u2u1s3(_addiu); Ip_u3u1u2(_addu); -Ip_u2u1u3(_andi); Ip_u3u1u2(_and); +Ip_u2u1u3(_andi); +Ip_u1u2s3(_bbit0); +Ip_u1u2s3(_bbit1); Ip_u1u2s3(_beq); Ip_u1u2s3(_beql); Ip_u1s2(_bgez); @@ -72,55 +75,54 @@ Ip_u1s2(_bltz); Ip_u1s2(_bltzl); Ip_u1u2s3(_bne); Ip_u2s3u1(_cache); -Ip_u1u2u3(_dmfc0); -Ip_u1u2u3(_dmtc0); Ip_u2u1s3(_daddiu); Ip_u3u1u2(_daddu); +Ip_u2u1msbu3(_dins); +Ip_u2u1msbu3(_dinsm); +Ip_u1u2u3(_dmfc0); +Ip_u1u2u3(_dmtc0); +Ip_u2u1u3(_drotr); +Ip_u2u1u3(_drotr32); Ip_u2u1u3(_dsll); Ip_u2u1u3(_dsll32); Ip_u2u1u3(_dsra); Ip_u2u1u3(_dsrl); Ip_u2u1u3(_dsrl32); -Ip_u2u1u3(_drotr); -Ip_u2u1u3(_drotr32); Ip_u3u1u2(_dsubu); Ip_0(_eret); Ip_u1(_j); Ip_u1(_jal); Ip_u1(_jr); Ip_u2s3u1(_ld); +Ip_u3u1u2(_ldx); Ip_u2s3u1(_ll); Ip_u2s3u1(_lld); Ip_u1s2(_lui); Ip_u2s3u1(_lw); +Ip_u3u1u2(_lwx); Ip_u1u2u3(_mfc0); Ip_u1u2u3(_mtc0); -Ip_u2u1u3(_ori); Ip_u3u1u2(_or); +Ip_u2u1u3(_ori); Ip_u2s3u1(_pref); Ip_0(_rfe); +Ip_u2u1u3(_rotr); Ip_u2s3u1(_sc); Ip_u2s3u1(_scd); Ip_u2s3u1(_sd); Ip_u2u1u3(_sll); Ip_u2u1u3(_sra); Ip_u2u1u3(_srl); -Ip_u2u1u3(_rotr); Ip_u3u1u2(_subu); Ip_u2s3u1(_sw); +Ip_u1(_syscall); Ip_0(_tlbp); Ip_0(_tlbr); Ip_0(_tlbwi); Ip_0(_tlbwr); Ip_u3u1u2(_xor); Ip_u2u1u3(_xori); -Ip_u2u1msbu3(_dins); -Ip_u2u1msbu3(_dinsm); -Ip_u1(_syscall); -Ip_u1u2s3(_bbit0); -Ip_u1u2s3(_bbit1); -Ip_u3u1u2(_lwx); -Ip_u3u1u2(_ldx); + /* Handle labels. */ struct uasm_label { @@ -145,37 +147,37 @@ static inline void __uasminit uasm_l##lb(struct uasm_label **lab, u32 *addr) \ /* convenience macros for instructions */ #ifdef CONFIG_64BIT +# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_daddiu(buf, rs, rt, val) +# define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_daddu(buf, rs, rt, rd) +# define UASM_i_LL(buf, rs, rt, off) uasm_i_lld(buf, rs, rt, off) # define UASM_i_LW(buf, rs, rt, off) uasm_i_ld(buf, rs, rt, off) -# define UASM_i_SW(buf, rs, rt, off) uasm_i_sd(buf, rs, rt, off) +# define UASM_i_LWX(buf, rs, rt, rd) uasm_i_ldx(buf, rs, rt, rd) +# define UASM_i_MFC0(buf, rt, rd...) uasm_i_dmfc0(buf, rt, rd) +# define UASM_i_MTC0(buf, rt, rd...) uasm_i_dmtc0(buf, rt, rd) +# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_drotr(buf, rs, rt, sh) +# define UASM_i_SC(buf, rs, rt, off) uasm_i_scd(buf, rs, rt, off) # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_dsll(buf, rs, rt, sh) # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_dsra(buf, rs, rt, sh) # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_dsrl(buf, rs, rt, sh) # define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_dsrl_safe(buf, rs, rt, sh) -# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_drotr(buf, rs, rt, sh) -# define UASM_i_MFC0(buf, rt, rd...) uasm_i_dmfc0(buf, rt, rd) -# define UASM_i_MTC0(buf, rt, rd...) uasm_i_dmtc0(buf, rt, rd) -# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_daddiu(buf, rs, rt, val) -# define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_daddu(buf, rs, rt, rd) # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_dsubu(buf, rs, rt, rd) -# define UASM_i_LL(buf, rs, rt, off) uasm_i_lld(buf, rs, rt, off) -# define UASM_i_SC(buf, rs, rt, off) uasm_i_scd(buf, rs, rt, off) -# define UASM_i_LWX(buf, rs, rt, rd) uasm_i_ldx(buf, rs, rt, rd) +# define UASM_i_SW(buf, rs, rt, off) uasm_i_sd(buf, rs, rt, off) #else +# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_addiu(buf, rs, rt, val) +# define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_addu(buf, rs, rt, rd) +# define UASM_i_LL(buf, rs, rt, off) uasm_i_ll(buf, rs, rt, off) # define UASM_i_LW(buf, rs, rt, off) uasm_i_lw(buf, rs, rt, off) -# define UASM_i_SW(buf, rs, rt, off) uasm_i_sw(buf, rs, rt, off) +# define UASM_i_LWX(buf, rs, rt, rd) uasm_i_lwx(buf, rs, rt, rd) +# define UASM_i_MFC0(buf, rt, rd...) uasm_i_mfc0(buf, rt, rd) +# define UASM_i_MTC0(buf, rt, rd...) uasm_i_mtc0(buf, rt, rd) +# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_rotr(buf, rs, rt, sh) +# define UASM_i_SC(buf, rs, rt, off) uasm_i_sc(buf, rs, rt, off) # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_sll(buf, rs, rt, sh) # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_sra(buf, rs, rt, sh) # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh) # define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh) -# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_rotr(buf, rs, rt, sh) -# define UASM_i_MFC0(buf, rt, rd...) uasm_i_mfc0(buf, rt, rd) -# define UASM_i_MTC0(buf, rt, rd...) uasm_i_mtc0(buf, rt, rd) -# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_addiu(buf, rs, rt, val) -# define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_addu(buf, rs, rt, rd) # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_subu(buf, rs, rt, rd) -# define UASM_i_LL(buf, rs, rt, off) uasm_i_ll(buf, rs, rt, off) -# define UASM_i_SC(buf, rs, rt, off) uasm_i_sc(buf, rs, rt, off) -# define UASM_i_LWX(buf, rs, rt, rd) uasm_i_lwx(buf, rs, rt, rd) +# define UASM_i_SW(buf, rs, rt, off) uasm_i_sw(buf, rs, rt, off) #endif #define uasm_i_b(buf, off) uasm_i_beq(buf, 0, 0, off) @@ -183,19 +185,10 @@ static inline void __uasminit uasm_l##lb(struct uasm_label **lab, u32 *addr) \ #define uasm_i_beqzl(buf, rs, off) uasm_i_beql(buf, rs, 0, off) #define uasm_i_bnez(buf, rs, off) uasm_i_bne(buf, rs, 0, off) #define uasm_i_bnezl(buf, rs, off) uasm_i_bnel(buf, rs, 0, off) +#define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3) #define uasm_i_move(buf, a, b) UASM_i_ADDU(buf, a, 0, b) #define uasm_i_nop(buf) uasm_i_sll(buf, 0, 0, 0) #define uasm_i_ssnop(buf) uasm_i_sll(buf, 0, 0, 1) -#define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3) - -static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1, - unsigned int a2, unsigned int a3) -{ - if (a3 < 32) - uasm_i_dsrl(p, a1, a2, a3); - else - uasm_i_dsrl32(p, a1, a2, a3 - 32); -} static inline void uasm_i_drotr_safe(u32 **p, unsigned int a1, unsigned int a2, unsigned int a3) @@ -215,6 +208,15 @@ static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1, uasm_i_dsll32(p, a1, a2, a3 - 32); } +static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1, + unsigned int a2, unsigned int a3) +{ + if (a3 < 32) + uasm_i_dsrl(p, a1, a2, a3); + else + uasm_i_dsrl32(p, a1, a2, a3 - 32); +} + /* Handle relocations. */ struct uasm_reloc { u32 *addr; @@ -234,16 +236,16 @@ void uasm_copy_handler(struct uasm_reloc *rel, struct uasm_label *lab, int uasm_insn_has_bdelay(struct uasm_reloc *rel, u32 *addr); /* Convenience functions for labeled branches. */ -void uasm_il_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); void uasm_il_b(u32 **p, struct uasm_reloc **r, int lid); +void uasm_il_bbit0(u32 **p, struct uasm_reloc **r, unsigned int reg, + unsigned int bit, int lid); +void uasm_il_bbit1(u32 **p, struct uasm_reloc **r, unsigned int reg, + unsigned int bit, int lid); void uasm_il_beqz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); void uasm_il_beqzl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); +void uasm_il_bgezl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); +void uasm_il_bgez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); +void uasm_il_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); void uasm_il_bne(u32 **p, struct uasm_reloc **r, unsigned int reg1, unsigned int reg2, int lid); void uasm_il_bnez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); -void uasm_il_bgezl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); -void uasm_il_bgez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); -void uasm_il_bbit0(u32 **p, struct uasm_reloc **r, unsigned int reg, - unsigned int bit, int lid); -void uasm_il_bbit1(u32 **p, struct uasm_reloc **r, unsigned int reg, - unsigned int bit, int lid); diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c index 9a91fe9..9a3d9de 100644 --- a/arch/mips/jz4740/board-qi_lb60.c +++ b/arch/mips/jz4740/board-qi_lb60.c @@ -140,6 +140,7 @@ static void qi_lb60_nand_ident(struct platform_device *pdev, static struct jz_nand_platform_data qi_lb60_nand_pdata = { .ident_callback = qi_lb60_nand_ident, .busy_gpio = 94, + .banks = { 1 }, }; /* Keyboard*/ diff --git a/arch/mips/jz4740/platform.c b/arch/mips/jz4740/platform.c index 10929e2..e342ed4 100644 --- a/arch/mips/jz4740/platform.c +++ b/arch/mips/jz4740/platform.c @@ -157,11 +157,29 @@ static struct resource jz4740_nand_resources[] = { .flags = IORESOURCE_MEM, }, { - .name = "bank", + .name = "bank1", .start = 0x18000000, .end = 0x180C0000 - 1, .flags = IORESOURCE_MEM, }, + { + .name = "bank2", + .start = 0x14000000, + .end = 0x140C0000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "bank3", + .start = 0x0C000000, + .end = 0x0C0C0000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "bank4", + .start = 0x08000000, + .end = 0x080C0000 - 1, + .flags = IORESOURCE_MEM, + }, }; struct platform_device jz4740_nand_device = { diff --git a/arch/mips/jz4740/reset.c b/arch/mips/jz4740/reset.c index 5f1fb95..6c0da5a 100644 --- a/arch/mips/jz4740/reset.c +++ b/arch/mips/jz4740/reset.c @@ -21,6 +21,9 @@ #include <asm/mach-jz4740/base.h> #include <asm/mach-jz4740/timer.h> +#include "reset.h" +#include "clock.h" + static void jz4740_halt(void) { while (1) { @@ -53,21 +56,57 @@ static void jz4740_restart(char *command) jz4740_halt(); } -#define JZ_REG_RTC_CTRL 0x00 -#define JZ_REG_RTC_HIBERNATE 0x20 +#define JZ_REG_RTC_CTRL 0x00 +#define JZ_REG_RTC_HIBERNATE 0x20 +#define JZ_REG_RTC_WAKEUP_FILTER 0x24 +#define JZ_REG_RTC_RESET_COUNTER 0x28 -#define JZ_RTC_CTRL_WRDY BIT(7) +#define JZ_RTC_CTRL_WRDY BIT(7) +#define JZ_RTC_WAKEUP_FILTER_MASK 0x0000FFE0 +#define JZ_RTC_RESET_COUNTER_MASK 0x00000FE0 -static void jz4740_power_off(void) +static inline void jz4740_rtc_wait_ready(void __iomem *rtc_base) { - void __iomem *rtc_base = ioremap(JZ4740_RTC_BASE_ADDR, 0x24); uint32_t ctrl; do { ctrl = readl(rtc_base + JZ_REG_RTC_CTRL); } while (!(ctrl & JZ_RTC_CTRL_WRDY)); +} +static void jz4740_power_off(void) +{ + void __iomem *rtc_base = ioremap(JZ4740_RTC_BASE_ADDR, 0x38); + unsigned long wakeup_filter_ticks; + unsigned long reset_counter_ticks; + + /* + * Set minimum wakeup pin assertion time: 100 ms. + * Range is 0 to 2 sec if RTC is clocked at 32 kHz. + */ + wakeup_filter_ticks = (100 * jz4740_clock_bdata.rtc_rate) / 1000; + if (wakeup_filter_ticks < JZ_RTC_WAKEUP_FILTER_MASK) + wakeup_filter_ticks &= JZ_RTC_WAKEUP_FILTER_MASK; + else + wakeup_filter_ticks = JZ_RTC_WAKEUP_FILTER_MASK; + jz4740_rtc_wait_ready(rtc_base); + writel(wakeup_filter_ticks, rtc_base + JZ_REG_RTC_WAKEUP_FILTER); + + /* + * Set reset pin low-level assertion time after wakeup: 60 ms. + * Range is 0 to 125 ms if RTC is clocked at 32 kHz. + */ + reset_counter_ticks = (60 * jz4740_clock_bdata.rtc_rate) / 1000; + if (reset_counter_ticks < JZ_RTC_RESET_COUNTER_MASK) + reset_counter_ticks &= JZ_RTC_RESET_COUNTER_MASK; + else + reset_counter_ticks = JZ_RTC_RESET_COUNTER_MASK; + jz4740_rtc_wait_ready(rtc_base); + writel(reset_counter_ticks, rtc_base + JZ_REG_RTC_RESET_COUNTER); + + jz4740_rtc_wait_ready(rtc_base); writel(1, rtc_base + JZ_REG_RTC_HIBERNATE); + jz4740_halt(); } diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index f4630e1..1b51046 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -190,6 +190,7 @@ void __init check_wait(void) case CPU_CAVIUM_OCTEON_PLUS: case CPU_CAVIUM_OCTEON2: case CPU_JZRISC: + case CPU_LOONGSON1: case CPU_XLR: case CPU_XLP: cpu_wait = r4k_wait; @@ -330,6 +331,154 @@ static inline void cpu_probe_vmbits(struct cpuinfo_mips *c) #endif } +static char unknown_isa[] __cpuinitdata = KERN_ERR \ + "Unsupported ISA type, c0.config0: %d."; + +static inline unsigned int decode_config0(struct cpuinfo_mips *c) +{ + unsigned int config0; + int isa; + + config0 = read_c0_config(); + + if (((config0 & MIPS_CONF_MT) >> 7) == 1) + c->options |= MIPS_CPU_TLB; + isa = (config0 & MIPS_CONF_AT) >> 13; + switch (isa) { + case 0: + switch ((config0 & MIPS_CONF_AR) >> 10) { + case 0: + c->isa_level = MIPS_CPU_ISA_M32R1; + break; + case 1: + c->isa_level = MIPS_CPU_ISA_M32R2; + break; + default: + goto unknown; + } + break; + case 2: + switch ((config0 & MIPS_CONF_AR) >> 10) { + case 0: + c->isa_level = MIPS_CPU_ISA_M64R1; + break; + case 1: + c->isa_level = MIPS_CPU_ISA_M64R2; + break; + default: + goto unknown; + } + break; + default: + goto unknown; + } + + return config0 & MIPS_CONF_M; + +unknown: + panic(unknown_isa, config0); +} + +static inline unsigned int decode_config1(struct cpuinfo_mips *c) +{ + unsigned int config1; + + config1 = read_c0_config1(); + + if (config1 & MIPS_CONF1_MD) + c->ases |= MIPS_ASE_MDMX; + if (config1 & MIPS_CONF1_WR) + c->options |= MIPS_CPU_WATCH; + if (config1 & MIPS_CONF1_CA) + c->ases |= MIPS_ASE_MIPS16; + if (config1 & MIPS_CONF1_EP) + c->options |= MIPS_CPU_EJTAG; + if (config1 & MIPS_CONF1_FP) { + c->options |= MIPS_CPU_FPU; + c->options |= MIPS_CPU_32FPR; + } + if (cpu_has_tlb) + c->tlbsize = ((config1 & MIPS_CONF1_TLBS) >> 25) + 1; + + return config1 & MIPS_CONF_M; +} + +static inline unsigned int decode_config2(struct cpuinfo_mips *c) +{ + unsigned int config2; + + config2 = read_c0_config2(); + + if (config2 & MIPS_CONF2_SL) + c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT; + + return config2 & MIPS_CONF_M; +} + +static inline unsigned int decode_config3(struct cpuinfo_mips *c) +{ + unsigned int config3; + + config3 = read_c0_config3(); + + if (config3 & MIPS_CONF3_SM) + c->ases |= MIPS_ASE_SMARTMIPS; + if (config3 & MIPS_CONF3_DSP) + c->ases |= MIPS_ASE_DSP; + if (config3 & MIPS_CONF3_VINT) + c->options |= MIPS_CPU_VINT; + if (config3 & MIPS_CONF3_VEIC) + c->options |= MIPS_CPU_VEIC; + if (config3 & MIPS_CONF3_MT) + c->ases |= MIPS_ASE_MIPSMT; + if (config3 & MIPS_CONF3_ULRI) + c->options |= MIPS_CPU_ULRI; + + return config3 & MIPS_CONF_M; +} + +static inline unsigned int decode_config4(struct cpuinfo_mips *c) +{ + unsigned int config4; + + config4 = read_c0_config4(); + + if ((config4 & MIPS_CONF4_MMUEXTDEF) == MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT + && cpu_has_tlb) + c->tlbsize += (config4 & MIPS_CONF4_MMUSIZEEXT) * 0x40; + + c->kscratch_mask = (config4 >> 16) & 0xff; + + return config4 & MIPS_CONF_M; +} + +static void __cpuinit decode_configs(struct cpuinfo_mips *c) +{ + int ok; + + /* MIPS32 or MIPS64 compliant CPU. */ + c->options = MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE | MIPS_CPU_COUNTER | + MIPS_CPU_DIVEC | MIPS_CPU_LLSC | MIPS_CPU_MCHECK; + + c->scache.flags = MIPS_CACHE_NOT_PRESENT; + + ok = decode_config0(c); /* Read Config registers. */ + BUG_ON(!ok); /* Arch spec violation! */ + if (ok) + ok = decode_config1(c); + if (ok) + ok = decode_config2(c); + if (ok) + ok = decode_config3(c); + if (ok) + ok = decode_config4(c); + + mips_probe_watch_registers(c); + + if (cpu_has_mips_r2) + c->core = read_c0_ebase() & 0x3ff; +} + #define R4K_OPTS (MIPS_CPU_TLB | MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE \ | MIPS_CPU_COUNTER) @@ -638,155 +787,19 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) MIPS_CPU_32FPR; c->tlbsize = 64; break; - } -} - -static char unknown_isa[] __cpuinitdata = KERN_ERR \ - "Unsupported ISA type, c0.config0: %d."; + case PRID_IMP_LOONGSON1: + decode_configs(c); -static inline unsigned int decode_config0(struct cpuinfo_mips *c) -{ - unsigned int config0; - int isa; + c->cputype = CPU_LOONGSON1; - config0 = read_c0_config(); - - if (((config0 & MIPS_CONF_MT) >> 7) == 1) - c->options |= MIPS_CPU_TLB; - isa = (config0 & MIPS_CONF_AT) >> 13; - switch (isa) { - case 0: - switch ((config0 & MIPS_CONF_AR) >> 10) { - case 0: - c->isa_level = MIPS_CPU_ISA_M32R1; - break; - case 1: - c->isa_level = MIPS_CPU_ISA_M32R2; + switch (c->processor_id & PRID_REV_MASK) { + case PRID_REV_LOONGSON1B: + __cpu_name[cpu] = "Loongson 1B"; break; - default: - goto unknown; } - break; - case 2: - switch ((config0 & MIPS_CONF_AR) >> 10) { - case 0: - c->isa_level = MIPS_CPU_ISA_M64R1; - break; - case 1: - c->isa_level = MIPS_CPU_ISA_M64R2; - break; - default: - goto unknown; - } - break; - default: - goto unknown; - } - - return config0 & MIPS_CONF_M; - -unknown: - panic(unknown_isa, config0); -} -static inline unsigned int decode_config1(struct cpuinfo_mips *c) -{ - unsigned int config1; - - config1 = read_c0_config1(); - - if (config1 & MIPS_CONF1_MD) - c->ases |= MIPS_ASE_MDMX; - if (config1 & MIPS_CONF1_WR) - c->options |= MIPS_CPU_WATCH; - if (config1 & MIPS_CONF1_CA) - c->ases |= MIPS_ASE_MIPS16; - if (config1 & MIPS_CONF1_EP) - c->options |= MIPS_CPU_EJTAG; - if (config1 & MIPS_CONF1_FP) { - c->options |= MIPS_CPU_FPU; - c->options |= MIPS_CPU_32FPR; + break; } - if (cpu_has_tlb) - c->tlbsize = ((config1 & MIPS_CONF1_TLBS) >> 25) + 1; - - return config1 & MIPS_CONF_M; -} - -static inline unsigned int decode_config2(struct cpuinfo_mips *c) -{ - unsigned int config2; - - config2 = read_c0_config2(); - - if (config2 & MIPS_CONF2_SL) - c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT; - - return config2 & MIPS_CONF_M; -} - -static inline unsigned int decode_config3(struct cpuinfo_mips *c) -{ - unsigned int config3; - - config3 = read_c0_config3(); - - if (config3 & MIPS_CONF3_SM) - c->ases |= MIPS_ASE_SMARTMIPS; - if (config3 & MIPS_CONF3_DSP) - c->ases |= MIPS_ASE_DSP; - if (config3 & MIPS_CONF3_VINT) - c->options |= MIPS_CPU_VINT; - if (config3 & MIPS_CONF3_VEIC) - c->options |= MIPS_CPU_VEIC; - if (config3 & MIPS_CONF3_MT) - c->ases |= MIPS_ASE_MIPSMT; - if (config3 & MIPS_CONF3_ULRI) - c->options |= MIPS_CPU_ULRI; - - return config3 & MIPS_CONF_M; -} - -static inline unsigned int decode_config4(struct cpuinfo_mips *c) -{ - unsigned int config4; - - config4 = read_c0_config4(); - - if ((config4 & MIPS_CONF4_MMUEXTDEF) == MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT - && cpu_has_tlb) - c->tlbsize += (config4 & MIPS_CONF4_MMUSIZEEXT) * 0x40; - - c->kscratch_mask = (config4 >> 16) & 0xff; - - return config4 & MIPS_CONF_M; -} - -static void __cpuinit decode_configs(struct cpuinfo_mips *c) -{ - int ok; - - /* MIPS32 or MIPS64 compliant CPU. */ - c->options = MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE | MIPS_CPU_COUNTER | - MIPS_CPU_DIVEC | MIPS_CPU_LLSC | MIPS_CPU_MCHECK; - - c->scache.flags = MIPS_CACHE_NOT_PRESENT; - - ok = decode_config0(c); /* Read Config registers. */ - BUG_ON(!ok); /* Arch spec violation! */ - if (ok) - ok = decode_config1(c); - if (ok) - ok = decode_config2(c); - if (ok) - ok = decode_config3(c); - if (ok) - ok = decode_config4(c); - - mips_probe_watch_registers(c); - - if (cpu_has_mips_r2) - c->core = read_c0_ebase() & 0x3ff; } static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu) diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index eb5e394..2f28d3b 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -1559,6 +1559,11 @@ init_hw_perf_events(void) mipspmu.general_event_map = &mipsxxcore_event_map; mipspmu.cache_event_map = &mipsxxcore_cache_map; break; + case CPU_LOONGSON1: + mipspmu.name = "mips/loongson1"; + mipspmu.general_event_map = &mipsxxcore_event_map; + mipspmu.cache_event_map = &mipsxxcore_cache_map; + break; case CPU_CAVIUM_OCTEON: case CPU_CAVIUM_OCTEON_PLUS: case CPU_CAVIUM_OCTEON2: diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c index f11b2bb..028f6f8 100644 --- a/arch/mips/kernel/prom.c +++ b/arch/mips/kernel/prom.c @@ -35,16 +35,6 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size) return add_memory_region(base, size, BOOT_MEM_RAM); } -int __init reserve_mem_mach(unsigned long addr, unsigned long size) -{ - return reserve_bootmem(addr, size, BOOTMEM_DEFAULT); -} - -void __init free_mem_mach(unsigned long addr, unsigned long size) -{ - return free_bootmem(addr, size); -} - void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) { return __alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS)); @@ -77,25 +67,6 @@ void __init early_init_devtree(void *params) of_scan_flat_dt(early_init_dt_scan_memory_arch, NULL); } -void __init device_tree_init(void) -{ - unsigned long base, size; - - if (!initial_boot_params) - return; - - base = virt_to_phys((void *)initial_boot_params); - size = be32_to_cpu(initial_boot_params->totalsize); - - /* Before we do anything, lets reserve the dt blob */ - reserve_mem_mach(base, size); - - unflatten_device_tree(); - - /* free the space reserved for the dt blob */ - free_mem_mach(base, size); -} - void __init __dt_setup_arch(struct boot_param_header *bph) { if (be32_to_cpu(bph->magic) != OF_DT_HEADER) { diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 1268392..31637d8 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -102,7 +102,9 @@ asmlinkage __cpuinit void start_secondary(void) #ifdef CONFIG_MIPS_MT_SMTC /* Only do cpu_probe for first TC of CPU */ - if ((read_c0_tcbind() & TCBIND_CURTC) == 0) + if ((read_c0_tcbind() & TCBIND_CURTC) != 0) + __cpu_name[smp_processor_id()] = __cpu_name[0]; + else #endif /* CONFIG_MIPS_MT_SMTC */ cpu_probe(); cpu_report(); diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 15b5f3c..1d47843 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -86,6 +86,13 @@ struct smtc_ipi_q IPIQ[NR_CPUS]; static struct smtc_ipi_q freeIPIq; +/* + * Number of FPU contexts for each VPE + */ + +static int smtc_nconf1[MAX_SMTC_VPES]; + + /* Forward declarations */ void ipi_decode(struct smtc_ipi *); @@ -174,9 +181,9 @@ static int __init tintq(char *str) __setup("tintq=", tintq); -static int imstuckcount[2][8]; +static int imstuckcount[MAX_SMTC_VPES][8]; /* vpemask represents IM/IE bits of per-VPE Status registers, low-to-high */ -static int vpemask[2][8] = { +static int vpemask[MAX_SMTC_VPES][8] = { {0, 0, 1, 0, 0, 0, 0, 1}, {0, 0, 0, 0, 0, 0, 0, 1} }; @@ -331,6 +338,22 @@ int __init smtc_build_cpu_map(int start_cpu_slot) static void smtc_tc_setup(int vpe, int tc, int cpu) { + static int cp1contexts[MAX_SMTC_VPES]; + + /* + * Make a local copy of the available FPU contexts in order + * to keep track of TCs that can have one. + */ + if (tc == 1) + { + /* + * FIXME: Multi-core SMTC hasn't been tested and the + * maximum number of VPEs may change. + */ + cp1contexts[0] = smtc_nconf1[0] - 1; + cp1contexts[1] = smtc_nconf1[1]; + } + settc(tc); write_tc_c0_tchalt(TCHALT_H); mips_ihb(); @@ -343,22 +366,29 @@ static void smtc_tc_setup(int vpe, int tc, int cpu) * an active IPI queue. */ write_tc_c0_tccontext((sizeof(struct smtc_ipi_q) * cpu) << 16); - /* Bind tc to vpe */ + + /* Bind TC to VPE. */ write_tc_c0_tcbind(vpe); + /* In general, all TCs should have the same cpu_data indications. */ memcpy(&cpu_data[cpu], &cpu_data[0], sizeof(struct cpuinfo_mips)); - /* For 34Kf, start with TC/CPU 0 as sole owner of single FPU context */ - if (cpu_data[0].cputype == CPU_34K || - cpu_data[0].cputype == CPU_1004K) + + /* Check to see if there is a FPU context available for this TC. */ + if (!cp1contexts[vpe]) cpu_data[cpu].options &= ~MIPS_CPU_FPU; + else + cp1contexts[vpe]--; + + /* Store the TC and VPE into the cpu_data structure. */ cpu_data[cpu].vpe_id = vpe; cpu_data[cpu].tc_id = tc; - /* Multi-core SMTC hasn't been tested, but be prepared */ + + /* FIXME: Multi-core SMTC hasn't been tested, but be prepared. */ cpu_data[cpu].core = (read_vpe_c0_ebase() >> 1) & 0xff; } /* - * Tweak to get Count registes in as close a sync as possible. The + * Tweak to get Count registers synced as closely as possible. The * value seems good for 34K-class cores. */ @@ -466,6 +496,24 @@ void smtc_prepare_cpus(int cpus) smtc_configure_tlb(); for (tc = 0, vpe = 0 ; (vpe < nvpe) && (tc < ntc) ; vpe++) { + /* Get number of CP1 contexts for each VPE. */ + if (tc == 0) + { + /* + * Do not call settc() for TC0 or the FPU context + * value will be incorrect. Besides, we know that + * we are TC0 anyway. + */ + smtc_nconf1[0] = ((read_vpe_c0_vpeconf1() & + VPECONF1_NCP1) >> VPECONF1_NCP1_SHIFT); + if (nvpe == 2) + { + settc(1); + smtc_nconf1[1] = ((read_vpe_c0_vpeconf1() & + VPECONF1_NCP1) >> VPECONF1_NCP1_SHIFT); + settc(0); + } + } if (tcpervpe[vpe] == 0) continue; if (vpe != 0) @@ -479,6 +527,18 @@ void smtc_prepare_cpus(int cpus) */ if (tc != 0) { smtc_tc_setup(vpe, tc, cpu); + if (vpe != 0) { + /* + * Set MVP bit (possibly again). Do it + * here to catch CPUs that have no TCs + * bound to the VPE at reset. In that + * case, a TC must be bound to the VPE + * before we can set VPEControl[MVP] + */ + write_vpe_c0_vpeconf0( + read_vpe_c0_vpeconf0() | + VPECONF0_MVP); + } cpu++; } printk(" %d", tc); diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index c3c2935..9be3df1 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1253,6 +1253,7 @@ static inline void parity_protection_init(void) case CPU_5KC: case CPU_5KE: + case CPU_LOONGSON1: write_c0_ecc(0x80000000); back_to_back_c0_hazard(); /* Set the PE bit (bit 31) in the c0_errctl register. */ diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile index 2a7c74f..399a50a 100644 --- a/arch/mips/lib/Makefile +++ b/arch/mips/lib/Makefile @@ -2,7 +2,7 @@ # Makefile for MIPS-specific library files.. # -lib-y += csum_partial.o delay.o memcpy.o memcpy-inatomic.o memset.o \ +lib-y += csum_partial.o delay.o memcpy.o memset.o \ strlen_user.o strncpy_user.o strnlen_user.o uncached.o obj-y += iomap.o diff --git a/arch/mips/lib/memcpy-inatomic.S b/arch/mips/lib/memcpy-inatomic.S deleted file mode 100644 index 68853a0..0000000 --- a/arch/mips/lib/memcpy-inatomic.S +++ /dev/null @@ -1,451 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Unified implementation of memcpy, memmove and the __copy_user backend. - * - * Copyright (C) 1998, 99, 2000, 01, 2002 Ralf Baechle (ralf@gnu.org) - * Copyright (C) 1999, 2000, 01, 2002 Silicon Graphics, Inc. - * Copyright (C) 2002 Broadcom, Inc. - * memcpy/copy_user author: Mark Vandevoorde - * Copyright (C) 2007 Maciej W. Rozycki - * - * Mnemonic names for arguments to memcpy/__copy_user - */ - -/* - * Hack to resolve longstanding prefetch issue - * - * Prefetching may be fatal on some systems if we're prefetching beyond the - * end of memory on some systems. It's also a seriously bad idea on non - * dma-coherent systems. - */ -#ifdef CONFIG_DMA_NONCOHERENT -#undef CONFIG_CPU_HAS_PREFETCH -#endif -#ifdef CONFIG_MIPS_MALTA -#undef CONFIG_CPU_HAS_PREFETCH -#endif - -#include <asm/asm.h> -#include <asm/asm-offsets.h> -#include <asm/regdef.h> - -#define dst a0 -#define src a1 -#define len a2 - -/* - * Spec - * - * memcpy copies len bytes from src to dst and sets v0 to dst. - * It assumes that - * - src and dst don't overlap - * - src is readable - * - dst is writable - * memcpy uses the standard calling convention - * - * __copy_user copies up to len bytes from src to dst and sets a2 (len) to - * the number of uncopied bytes due to an exception caused by a read or write. - * __copy_user assumes that src and dst don't overlap, and that the call is - * implementing one of the following: - * copy_to_user - * - src is readable (no exceptions when reading src) - * copy_from_user - * - dst is writable (no exceptions when writing dst) - * __copy_user uses a non-standard calling convention; see - * include/asm-mips/uaccess.h - * - * When an exception happens on a load, the handler must - # ensure that all of the destination buffer is overwritten to prevent - * leaking information to user mode programs. - */ - -/* - * Implementation - */ - -/* - * The exception handler for loads requires that: - * 1- AT contain the address of the byte just past the end of the source - * of the copy, - * 2- src_entry <= src < AT, and - * 3- (dst - src) == (dst_entry - src_entry), - * The _entry suffix denotes values when __copy_user was called. - * - * (1) is set up up by uaccess.h and maintained by not writing AT in copy_user - * (2) is met by incrementing src by the number of bytes copied - * (3) is met by not doing loads between a pair of increments of dst and src - * - * The exception handlers for stores adjust len (if necessary) and return. - * These handlers do not need to overwrite any data. - * - * For __rmemcpy and memmove an exception is always a kernel bug, therefore - * they're not protected. - */ - -#define EXC(inst_reg,addr,handler) \ -9: inst_reg, addr; \ - .section __ex_table,"a"; \ - PTR 9b, handler; \ - .previous - -/* - * Only on the 64-bit kernel we can made use of 64-bit registers. - */ -#ifdef CONFIG_64BIT -#define USE_DOUBLE -#endif - -#ifdef USE_DOUBLE - -#define LOAD ld -#define LOADL ldl -#define LOADR ldr -#define STOREL sdl -#define STORER sdr -#define STORE sd -#define ADD daddu -#define SUB dsubu -#define SRL dsrl -#define SRA dsra -#define SLL dsll -#define SLLV dsllv -#define SRLV dsrlv -#define NBYTES 8 -#define LOG_NBYTES 3 - -/* - * As we are sharing code base with the mips32 tree (which use the o32 ABI - * register definitions). We need to redefine the register definitions from - * the n64 ABI register naming to the o32 ABI register naming. - */ -#undef t0 -#undef t1 -#undef t2 -#undef t3 -#define t0 $8 -#define t1 $9 -#define t2 $10 -#define t3 $11 -#define t4 $12 -#define t5 $13 -#define t6 $14 -#define t7 $15 - -#else - -#define LOAD lw -#define LOADL lwl -#define LOADR lwr -#define STOREL swl -#define STORER swr -#define STORE sw -#define ADD addu -#define SUB subu -#define SRL srl -#define SLL sll -#define SRA sra -#define SLLV sllv -#define SRLV srlv -#define NBYTES 4 -#define LOG_NBYTES 2 - -#endif /* USE_DOUBLE */ - -#ifdef CONFIG_CPU_LITTLE_ENDIAN -#define LDFIRST LOADR -#define LDREST LOADL -#define STFIRST STORER -#define STREST STOREL -#define SHIFT_DISCARD SLLV -#else -#define LDFIRST LOADL -#define LDREST LOADR -#define STFIRST STOREL -#define STREST STORER -#define SHIFT_DISCARD SRLV -#endif - -#define FIRST(unit) ((unit)*NBYTES) -#define REST(unit) (FIRST(unit)+NBYTES-1) -#define UNIT(unit) FIRST(unit) - -#define ADDRMASK (NBYTES-1) - - .text - .set noreorder -#ifndef CONFIG_CPU_DADDI_WORKAROUNDS - .set noat -#else - .set at=v1 -#endif - -/* - * A combined memcpy/__copy_user - * __copy_user sets len to 0 for success; else to an upper bound of - * the number of uncopied bytes. - * memcpy sets v0 to dst. - */ - .align 5 -LEAF(__copy_user_inatomic) - /* - * Note: dst & src may be unaligned, len may be 0 - * Temps - */ -#define rem t8 - - /* - * The "issue break"s below are very approximate. - * Issue delays for dcache fills will perturb the schedule, as will - * load queue full replay traps, etc. - * - * If len < NBYTES use byte operations. - */ - PREF( 0, 0(src) ) - PREF( 1, 0(dst) ) - sltu t2, len, NBYTES - and t1, dst, ADDRMASK - PREF( 0, 1*32(src) ) - PREF( 1, 1*32(dst) ) - bnez t2, .Lcopy_bytes_checklen - and t0, src, ADDRMASK - PREF( 0, 2*32(src) ) - PREF( 1, 2*32(dst) ) - bnez t1, .Ldst_unaligned - nop - bnez t0, .Lsrc_unaligned_dst_aligned - /* - * use delay slot for fall-through - * src and dst are aligned; need to compute rem - */ -.Lboth_aligned: - SRL t0, len, LOG_NBYTES+3 # +3 for 8 units/iter - beqz t0, .Lcleanup_both_aligned # len < 8*NBYTES - and rem, len, (8*NBYTES-1) # rem = len % (8*NBYTES) - PREF( 0, 3*32(src) ) - PREF( 1, 3*32(dst) ) - .align 4 -1: -EXC( LOAD t0, UNIT(0)(src), .Ll_exc) -EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy) -EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy) -EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy) - SUB len, len, 8*NBYTES -EXC( LOAD t4, UNIT(4)(src), .Ll_exc_copy) -EXC( LOAD t7, UNIT(5)(src), .Ll_exc_copy) - STORE t0, UNIT(0)(dst) - STORE t1, UNIT(1)(dst) -EXC( LOAD t0, UNIT(6)(src), .Ll_exc_copy) -EXC( LOAD t1, UNIT(7)(src), .Ll_exc_copy) - ADD src, src, 8*NBYTES - ADD dst, dst, 8*NBYTES - STORE t2, UNIT(-6)(dst) - STORE t3, UNIT(-5)(dst) - STORE t4, UNIT(-4)(dst) - STORE t7, UNIT(-3)(dst) - STORE t0, UNIT(-2)(dst) - STORE t1, UNIT(-1)(dst) - PREF( 0, 8*32(src) ) - PREF( 1, 8*32(dst) ) - bne len, rem, 1b - nop - - /* - * len == rem == the number of bytes left to copy < 8*NBYTES - */ -.Lcleanup_both_aligned: - beqz len, .Ldone - sltu t0, len, 4*NBYTES - bnez t0, .Lless_than_4units - and rem, len, (NBYTES-1) # rem = len % NBYTES - /* - * len >= 4*NBYTES - */ -EXC( LOAD t0, UNIT(0)(src), .Ll_exc) -EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy) -EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy) -EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy) - SUB len, len, 4*NBYTES - ADD src, src, 4*NBYTES - STORE t0, UNIT(0)(dst) - STORE t1, UNIT(1)(dst) - STORE t2, UNIT(2)(dst) - STORE t3, UNIT(3)(dst) - .set reorder /* DADDI_WAR */ - ADD dst, dst, 4*NBYTES - beqz len, .Ldone - .set noreorder -.Lless_than_4units: - /* - * rem = len % NBYTES - */ - beq rem, len, .Lcopy_bytes - nop -1: -EXC( LOAD t0, 0(src), .Ll_exc) - ADD src, src, NBYTES - SUB len, len, NBYTES - STORE t0, 0(dst) - .set reorder /* DADDI_WAR */ - ADD dst, dst, NBYTES - bne rem, len, 1b - .set noreorder - - /* - * src and dst are aligned, need to copy rem bytes (rem < NBYTES) - * A loop would do only a byte at a time with possible branch - * mispredicts. Can't do an explicit LOAD dst,mask,or,STORE - * because can't assume read-access to dst. Instead, use - * STREST dst, which doesn't require read access to dst. - * - * This code should perform better than a simple loop on modern, - * wide-issue mips processors because the code has fewer branches and - * more instruction-level parallelism. - */ -#define bits t2 - beqz len, .Ldone - ADD t1, dst, len # t1 is just past last byte of dst - li bits, 8*NBYTES - SLL rem, len, 3 # rem = number of bits to keep -EXC( LOAD t0, 0(src), .Ll_exc) - SUB bits, bits, rem # bits = number of bits to discard - SHIFT_DISCARD t0, t0, bits - STREST t0, -1(t1) - jr ra - move len, zero -.Ldst_unaligned: - /* - * dst is unaligned - * t0 = src & ADDRMASK - * t1 = dst & ADDRMASK; T1 > 0 - * len >= NBYTES - * - * Copy enough bytes to align dst - * Set match = (src and dst have same alignment) - */ -#define match rem -EXC( LDFIRST t3, FIRST(0)(src), .Ll_exc) - ADD t2, zero, NBYTES -EXC( LDREST t3, REST(0)(src), .Ll_exc_copy) - SUB t2, t2, t1 # t2 = number of bytes copied - xor match, t0, t1 - STFIRST t3, FIRST(0)(dst) - beq len, t2, .Ldone - SUB len, len, t2 - ADD dst, dst, t2 - beqz match, .Lboth_aligned - ADD src, src, t2 - -.Lsrc_unaligned_dst_aligned: - SRL t0, len, LOG_NBYTES+2 # +2 for 4 units/iter - PREF( 0, 3*32(src) ) - beqz t0, .Lcleanup_src_unaligned - and rem, len, (4*NBYTES-1) # rem = len % 4*NBYTES - PREF( 1, 3*32(dst) ) -1: -/* - * Avoid consecutive LD*'s to the same register since some mips - * implementations can't issue them in the same cycle. - * It's OK to load FIRST(N+1) before REST(N) because the two addresses - * are to the same unit (unless src is aligned, but it's not). - */ -EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc) -EXC( LDFIRST t1, FIRST(1)(src), .Ll_exc_copy) - SUB len, len, 4*NBYTES -EXC( LDREST t0, REST(0)(src), .Ll_exc_copy) -EXC( LDREST t1, REST(1)(src), .Ll_exc_copy) -EXC( LDFIRST t2, FIRST(2)(src), .Ll_exc_copy) -EXC( LDFIRST t3, FIRST(3)(src), .Ll_exc_copy) -EXC( LDREST t2, REST(2)(src), .Ll_exc_copy) -EXC( LDREST t3, REST(3)(src), .Ll_exc_copy) - PREF( 0, 9*32(src) ) # 0 is PREF_LOAD (not streamed) - ADD src, src, 4*NBYTES -#ifdef CONFIG_CPU_SB1 - nop # improves slotting -#endif - STORE t0, UNIT(0)(dst) - STORE t1, UNIT(1)(dst) - STORE t2, UNIT(2)(dst) - STORE t3, UNIT(3)(dst) - PREF( 1, 9*32(dst) ) # 1 is PREF_STORE (not streamed) - .set reorder /* DADDI_WAR */ - ADD dst, dst, 4*NBYTES - bne len, rem, 1b - .set noreorder - -.Lcleanup_src_unaligned: - beqz len, .Ldone - and rem, len, NBYTES-1 # rem = len % NBYTES - beq rem, len, .Lcopy_bytes - nop -1: -EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc) -EXC( LDREST t0, REST(0)(src), .Ll_exc_copy) - ADD src, src, NBYTES - SUB len, len, NBYTES - STORE t0, 0(dst) - .set reorder /* DADDI_WAR */ - ADD dst, dst, NBYTES - bne len, rem, 1b - .set noreorder - -.Lcopy_bytes_checklen: - beqz len, .Ldone - nop -.Lcopy_bytes: - /* 0 < len < NBYTES */ -#define COPY_BYTE(N) \ -EXC( lb t0, N(src), .Ll_exc); \ - SUB len, len, 1; \ - beqz len, .Ldone; \ - sb t0, N(dst) - - COPY_BYTE(0) - COPY_BYTE(1) -#ifdef USE_DOUBLE - COPY_BYTE(2) - COPY_BYTE(3) - COPY_BYTE(4) - COPY_BYTE(5) -#endif -EXC( lb t0, NBYTES-2(src), .Ll_exc) - SUB len, len, 1 - jr ra - sb t0, NBYTES-2(dst) -.Ldone: - jr ra - nop - END(__copy_user_inatomic) - -.Ll_exc_copy: - /* - * Copy bytes from src until faulting load address (or until a - * lb faults) - * - * When reached by a faulting LDFIRST/LDREST, THREAD_BUADDR($28) - * may be more than a byte beyond the last address. - * Hence, the lb below may get an exception. - * - * Assumes src < THREAD_BUADDR($28) - */ - LOAD t0, TI_TASK($28) - nop - LOAD t0, THREAD_BUADDR(t0) -1: -EXC( lb t1, 0(src), .Ll_exc) - ADD src, src, 1 - sb t1, 0(dst) # can't fault -- we're copy_from_user - .set reorder /* DADDI_WAR */ - ADD dst, dst, 1 - bne src, t0, 1b - .set noreorder -.Ll_exc: - LOAD t0, TI_TASK($28) - nop - LOAD t0, THREAD_BUADDR(t0) # t0 is just past last good address - nop - SUB len, AT, t0 # len number of uncopied bytes - jr ra - nop diff --git a/arch/mips/lib/memcpy.S b/arch/mips/lib/memcpy.S index 56a1f85..65192c0 100644 --- a/arch/mips/lib/memcpy.S +++ b/arch/mips/lib/memcpy.S @@ -183,6 +183,14 @@ #endif /* + * t6 is used as a flag to note inatomic mode. + */ +LEAF(__copy_user_inatomic) + b __copy_user_common + li t6, 1 + END(__copy_user_inatomic) + +/* * A combined memcpy/__copy_user * __copy_user sets len to 0 for success; else to an upper bound of * the number of uncopied bytes. @@ -193,6 +201,8 @@ LEAF(memcpy) /* a0=dst a1=src a2=len */ move v0, dst /* return value */ .L__memcpy: FEXPORT(__copy_user) + li t6, 0 /* not inatomic */ +__copy_user_common: /* * Note: dst & src may be unaligned, len may be 0 * Temps @@ -458,6 +468,7 @@ EXC( lb t1, 0(src), .Ll_exc) LOAD t0, THREAD_BUADDR(t0) # t0 is just past last good address nop SUB len, AT, t0 # len number of uncopied bytes + bnez t6, .Ldone /* Skip the zeroing part if inatomic */ /* * Here's where we rely on src and dst being incremented in tandem, * See (3) above. diff --git a/arch/mips/loongson1/Kconfig b/arch/mips/loongson1/Kconfig new file mode 100644 index 0000000..237fa21 --- /dev/null +++ b/arch/mips/loongson1/Kconfig @@ -0,0 +1,21 @@ +if MACH_LOONGSON1 + +choice + prompt "Machine Type" + +config LOONGSON1_LS1B + bool "Loongson LS1B board" + select CEVT_R4K + select CSRC_R4K + select SYS_HAS_CPU_LOONGSON1B + select DMA_NONCOHERENT + select BOOT_ELF32 + select IRQ_CPU + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_HIGHMEM + select SYS_HAS_EARLY_PRINTK + +endchoice + +endif # MACH_LOONGSON1 diff --git a/arch/mips/loongson1/Makefile b/arch/mips/loongson1/Makefile new file mode 100644 index 0000000..9719c75 --- /dev/null +++ b/arch/mips/loongson1/Makefile @@ -0,0 +1,11 @@ +# +# Common code for all Loongson 1 based systems +# + +obj-$(CONFIG_MACH_LOONGSON1) += common/ + +# +# Loongson LS1B board +# + +obj-$(CONFIG_LOONGSON1_LS1B) += ls1b/ diff --git a/arch/mips/loongson1/Platform b/arch/mips/loongson1/Platform new file mode 100644 index 0000000..99bdefe --- /dev/null +++ b/arch/mips/loongson1/Platform @@ -0,0 +1,7 @@ +cflags-$(CONFIG_CPU_LOONGSON1) += \ + $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ + -Wa,-mips32r2 -Wa,--trap + +platform-$(CONFIG_MACH_LOONGSON1) += loongson1/ +cflags-$(CONFIG_MACH_LOONGSON1) += -I$(srctree)/arch/mips/include/asm/mach-loongson1 +load-$(CONFIG_LOONGSON1_LS1B) += 0xffffffff80100000 diff --git a/arch/mips/loongson1/common/Makefile b/arch/mips/loongson1/common/Makefile new file mode 100644 index 0000000..b279770 --- /dev/null +++ b/arch/mips/loongson1/common/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for common code of loongson1 based machines. +# + +obj-y += clock.o irq.o platform.o prom.o reset.o setup.o diff --git a/arch/mips/loongson1/common/clock.c b/arch/mips/loongson1/common/clock.c new file mode 100644 index 0000000..2d98fb0 --- /dev/null +++ b/arch/mips/loongson1/common/clock.c @@ -0,0 +1,165 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/module.h> +#include <linux/list.h> +#include <linux/mutex.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <asm/clock.h> +#include <asm/time.h> + +#include <loongson1.h> + +static LIST_HEAD(clocks); +static DEFINE_MUTEX(clocks_mutex); + +struct clk *clk_get(struct device *dev, const char *name) +{ + struct clk *c; + struct clk *ret = NULL; + + mutex_lock(&clocks_mutex); + list_for_each_entry(c, &clocks, node) { + if (!strcmp(c->name, name)) { + ret = c; + break; + } + } + mutex_unlock(&clocks_mutex); + + return ret; +} +EXPORT_SYMBOL(clk_get); + +unsigned long clk_get_rate(struct clk *clk) +{ + return clk->rate; +} +EXPORT_SYMBOL(clk_get_rate); + +static void pll_clk_init(struct clk *clk) +{ + u32 pll; + + pll = __raw_readl(LS1X_CLK_PLL_FREQ); + clk->rate = (12 + (pll & 0x3f)) * 33 / 2 + + ((pll >> 8) & 0x3ff) * 33 / 1024 / 2; + clk->rate *= 1000000; +} + +static void cpu_clk_init(struct clk *clk) +{ + u32 pll, ctrl; + + pll = clk_get_rate(clk->parent); + ctrl = __raw_readl(LS1X_CLK_PLL_DIV) & DIV_CPU; + clk->rate = pll / (ctrl >> DIV_CPU_SHIFT); +} + +static void ddr_clk_init(struct clk *clk) +{ + u32 pll, ctrl; + + pll = clk_get_rate(clk->parent); + ctrl = __raw_readl(LS1X_CLK_PLL_DIV) & DIV_DDR; + clk->rate = pll / (ctrl >> DIV_DDR_SHIFT); +} + +static void dc_clk_init(struct clk *clk) +{ + u32 pll, ctrl; + + pll = clk_get_rate(clk->parent); + ctrl = __raw_readl(LS1X_CLK_PLL_DIV) & DIV_DC; + clk->rate = pll / (ctrl >> DIV_DC_SHIFT); +} + +static struct clk_ops pll_clk_ops = { + .init = pll_clk_init, +}; + +static struct clk_ops cpu_clk_ops = { + .init = cpu_clk_init, +}; + +static struct clk_ops ddr_clk_ops = { + .init = ddr_clk_init, +}; + +static struct clk_ops dc_clk_ops = { + .init = dc_clk_init, +}; + +static struct clk pll_clk = { + .name = "pll", + .ops = &pll_clk_ops, +}; + +static struct clk cpu_clk = { + .name = "cpu", + .parent = &pll_clk, + .ops = &cpu_clk_ops, +}; + +static struct clk ddr_clk = { + .name = "ddr", + .parent = &pll_clk, + .ops = &ddr_clk_ops, +}; + +static struct clk dc_clk = { + .name = "dc", + .parent = &pll_clk, + .ops = &dc_clk_ops, +}; + +int clk_register(struct clk *clk) +{ + mutex_lock(&clocks_mutex); + list_add(&clk->node, &clocks); + if (clk->ops->init) + clk->ops->init(clk); + mutex_unlock(&clocks_mutex); + + return 0; +} +EXPORT_SYMBOL(clk_register); + +static struct clk *ls1x_clks[] = { + &pll_clk, + &cpu_clk, + &ddr_clk, + &dc_clk, +}; + +int __init ls1x_clock_init(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ls1x_clks); i++) + clk_register(ls1x_clks[i]); + + return 0; +} + +void __init plat_time_init(void) +{ + struct clk *clk; + + /* Initialize LS1X clocks */ + ls1x_clock_init(); + + /* setup mips r4k timer */ + clk = clk_get(NULL, "cpu"); + if (IS_ERR(clk)) + panic("unable to get dc clock, err=%ld", PTR_ERR(clk)); + + mips_hpt_frequency = clk_get_rate(clk) / 2; +} diff --git a/arch/mips/loongson1/common/irq.c b/arch/mips/loongson1/common/irq.c new file mode 100644 index 0000000..41bc8ff --- /dev/null +++ b/arch/mips/loongson1/common/irq.c @@ -0,0 +1,147 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <asm/irq_cpu.h> + +#include <loongson1.h> +#include <irq.h> + +#define LS1X_INTC_REG(n, x) \ + ((void __iomem *)KSEG1ADDR(LS1X_INTC_BASE + (n * 0x18) + (x))) + +#define LS1X_INTC_INTISR(n) LS1X_INTC_REG(n, 0x0) +#define LS1X_INTC_INTIEN(n) LS1X_INTC_REG(n, 0x4) +#define LS1X_INTC_INTSET(n) LS1X_INTC_REG(n, 0x8) +#define LS1X_INTC_INTCLR(n) LS1X_INTC_REG(n, 0xc) +#define LS1X_INTC_INTPOL(n) LS1X_INTC_REG(n, 0x10) +#define LS1X_INTC_INTEDGE(n) LS1X_INTC_REG(n, 0x14) + +static void ls1x_irq_ack(struct irq_data *d) +{ + unsigned int bit = (d->irq - LS1X_IRQ_BASE) & 0x1f; + unsigned int n = (d->irq - LS1X_IRQ_BASE) >> 5; + + __raw_writel(__raw_readl(LS1X_INTC_INTCLR(n)) + | (1 << bit), LS1X_INTC_INTCLR(n)); +} + +static void ls1x_irq_mask(struct irq_data *d) +{ + unsigned int bit = (d->irq - LS1X_IRQ_BASE) & 0x1f; + unsigned int n = (d->irq - LS1X_IRQ_BASE) >> 5; + + __raw_writel(__raw_readl(LS1X_INTC_INTIEN(n)) + & ~(1 << bit), LS1X_INTC_INTIEN(n)); +} + +static void ls1x_irq_mask_ack(struct irq_data *d) +{ + unsigned int bit = (d->irq - LS1X_IRQ_BASE) & 0x1f; + unsigned int n = (d->irq - LS1X_IRQ_BASE) >> 5; + + __raw_writel(__raw_readl(LS1X_INTC_INTIEN(n)) + & ~(1 << bit), LS1X_INTC_INTIEN(n)); + __raw_writel(__raw_readl(LS1X_INTC_INTCLR(n)) + | (1 << bit), LS1X_INTC_INTCLR(n)); +} + +static void ls1x_irq_unmask(struct irq_data *d) +{ + unsigned int bit = (d->irq - LS1X_IRQ_BASE) & 0x1f; + unsigned int n = (d->irq - LS1X_IRQ_BASE) >> 5; + + __raw_writel(__raw_readl(LS1X_INTC_INTIEN(n)) + | (1 << bit), LS1X_INTC_INTIEN(n)); +} + +static struct irq_chip ls1x_irq_chip = { + .name = "LS1X-INTC", + .irq_ack = ls1x_irq_ack, + .irq_mask = ls1x_irq_mask, + .irq_mask_ack = ls1x_irq_mask_ack, + .irq_unmask = ls1x_irq_unmask, +}; + +static void ls1x_irq_dispatch(int n) +{ + u32 int_status, irq; + + /* Get pending sources, masked by current enables */ + int_status = __raw_readl(LS1X_INTC_INTISR(n)) & + __raw_readl(LS1X_INTC_INTIEN(n)); + + if (int_status) { + irq = LS1X_IRQ(n, __ffs(int_status)); + do_IRQ(irq); + } +} + +asmlinkage void plat_irq_dispatch(void) +{ + unsigned int pending; + + pending = read_c0_cause() & read_c0_status() & ST0_IM; + + if (pending & CAUSEF_IP7) + do_IRQ(TIMER_IRQ); + else if (pending & CAUSEF_IP2) + ls1x_irq_dispatch(0); /* INT0 */ + else if (pending & CAUSEF_IP3) + ls1x_irq_dispatch(1); /* INT1 */ + else if (pending & CAUSEF_IP4) + ls1x_irq_dispatch(2); /* INT2 */ + else if (pending & CAUSEF_IP5) + ls1x_irq_dispatch(3); /* INT3 */ + else if (pending & CAUSEF_IP6) + ls1x_irq_dispatch(4); /* INT4 */ + else + spurious_interrupt(); + +} + +struct irqaction cascade_irqaction = { + .handler = no_action, + .name = "cascade", + .flags = IRQF_NO_THREAD, +}; + +static void __init ls1x_irq_init(int base) +{ + int n; + + /* Disable interrupts and clear pending, + * setup all IRQs as high level triggered + */ + for (n = 0; n < 4; n++) { + __raw_writel(0x0, LS1X_INTC_INTIEN(n)); + __raw_writel(0xffffffff, LS1X_INTC_INTCLR(n)); + __raw_writel(0xffffffff, LS1X_INTC_INTPOL(n)); + /* set DMA0, DMA1 and DMA2 to edge trigger */ + __raw_writel(n ? 0x0 : 0xe000, LS1X_INTC_INTEDGE(n)); + } + + + for (n = base; n < LS1X_IRQS; n++) { + irq_set_chip_and_handler(n, &ls1x_irq_chip, + handle_level_irq); + } + + setup_irq(INT0_IRQ, &cascade_irqaction); + setup_irq(INT1_IRQ, &cascade_irqaction); + setup_irq(INT2_IRQ, &cascade_irqaction); + setup_irq(INT3_IRQ, &cascade_irqaction); +} + +void __init arch_init_irq(void) +{ + mips_cpu_irq_init(); + ls1x_irq_init(LS1X_IRQ_BASE); +} diff --git a/arch/mips/loongson1/common/platform.c b/arch/mips/loongson1/common/platform.c new file mode 100644 index 0000000..e92d59c --- /dev/null +++ b/arch/mips/loongson1/common/platform.c @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/clk.h> +#include <linux/dma-mapping.h> +#include <linux/err.h> +#include <linux/phy.h> +#include <linux/serial_8250.h> +#include <linux/stmmac.h> +#include <asm-generic/sizes.h> + +#include <loongson1.h> + +#define LS1X_UART(_id) \ + { \ + .mapbase = LS1X_UART ## _id ## _BASE, \ + .irq = LS1X_UART ## _id ## _IRQ, \ + .iotype = UPIO_MEM, \ + .flags = UPF_IOREMAP | UPF_FIXED_TYPE, \ + .type = PORT_16550A, \ + } + +static struct plat_serial8250_port ls1x_serial8250_port[] = { + LS1X_UART(0), + LS1X_UART(1), + LS1X_UART(2), + LS1X_UART(3), + {}, +}; + +struct platform_device ls1x_uart_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = ls1x_serial8250_port, + }, +}; + +void __init ls1x_serial_setup(void) +{ + struct clk *clk; + struct plat_serial8250_port *p; + + clk = clk_get(NULL, "dc"); + if (IS_ERR(clk)) + panic("unable to get dc clock, err=%ld", PTR_ERR(clk)); + + for (p = ls1x_serial8250_port; p->flags != 0; ++p) + p->uartclk = clk_get_rate(clk); +} + +/* Synopsys Ethernet GMAC */ +static struct resource ls1x_eth0_resources[] = { + [0] = { + .start = LS1X_GMAC0_BASE, + .end = LS1X_GMAC0_BASE + SZ_64K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .name = "macirq", + .start = LS1X_GMAC0_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct stmmac_mdio_bus_data ls1x_mdio_bus_data = { + .bus_id = 0, + .phy_mask = 0, +}; + +static struct plat_stmmacenet_data ls1x_eth_data = { + .bus_id = 0, + .phy_addr = -1, + .mdio_bus_data = &ls1x_mdio_bus_data, + .has_gmac = 1, + .tx_coe = 1, +}; + +struct platform_device ls1x_eth0_device = { + .name = "stmmaceth", + .id = 0, + .num_resources = ARRAY_SIZE(ls1x_eth0_resources), + .resource = ls1x_eth0_resources, + .dev = { + .platform_data = &ls1x_eth_data, + }, +}; + +/* USB EHCI */ +static u64 ls1x_ehci_dmamask = DMA_BIT_MASK(32); + +static struct resource ls1x_ehci_resources[] = { + [0] = { + .start = LS1X_EHCI_BASE, + .end = LS1X_EHCI_BASE + SZ_32K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = LS1X_EHCI_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device ls1x_ehci_device = { + .name = "ls1x-ehci", + .id = -1, + .num_resources = ARRAY_SIZE(ls1x_ehci_resources), + .resource = ls1x_ehci_resources, + .dev = { + .dma_mask = &ls1x_ehci_dmamask, + }, +}; + +/* Real Time Clock */ +struct platform_device ls1x_rtc_device = { + .name = "ls1x-rtc", + .id = -1, +}; diff --git a/arch/mips/loongson1/common/prom.c b/arch/mips/loongson1/common/prom.c new file mode 100644 index 0000000..1f8e49f --- /dev/null +++ b/arch/mips/loongson1/common/prom.c @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * Modified from arch/mips/pnx833x/common/prom.c. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/serial_reg.h> +#include <asm/bootinfo.h> + +#include <loongson1.h> +#include <prom.h> + +int prom_argc; +char **prom_argv, **prom_envp; +unsigned long memsize, highmemsize; + +char *prom_getenv(char *envname) +{ + char **env = prom_envp; + int i; + + i = strlen(envname); + + while (*env) { + if (strncmp(envname, *env, i) == 0 && *(*env+i) == '=') + return *env + i + 1; + env++; + } + + return 0; +} + +static inline unsigned long env_or_default(char *env, unsigned long dfl) +{ + char *str = prom_getenv(env); + return str ? simple_strtol(str, 0, 0) : dfl; +} + +void __init prom_init_cmdline(void) +{ + char *c = &(arcs_cmdline[0]); + int i; + + for (i = 1; i < prom_argc; i++) { + strcpy(c, prom_argv[i]); + c += strlen(prom_argv[i]); + if (i < prom_argc-1) + *c++ = ' '; + } + *c = 0; +} + +void __init prom_init(void) +{ + prom_argc = fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; + + prom_init_cmdline(); + + memsize = env_or_default("memsize", DEFAULT_MEMSIZE); + highmemsize = env_or_default("highmemsize", 0x0); +} + +void __init prom_free_prom_memory(void) +{ +} + +#define PORT(offset) (u8 *)(KSEG1ADDR(LS1X_UART0_BASE + offset)) + +void __init prom_putchar(char c) +{ + int timeout; + + timeout = 1024; + + while (((readb(PORT(UART_LSR)) & UART_LSR_THRE) == 0) + && (timeout-- > 0)) + ; + + writeb(c, PORT(UART_TX)); +} diff --git a/arch/mips/loongson1/common/reset.c b/arch/mips/loongson1/common/reset.c new file mode 100644 index 0000000..fb979a7 --- /dev/null +++ b/arch/mips/loongson1/common/reset.c @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/io.h> +#include <linux/pm.h> +#include <asm/reboot.h> + +#include <loongson1.h> + +static void ls1x_restart(char *command) +{ + __raw_writel(0x1, LS1X_WDT_EN); + __raw_writel(0x5000000, LS1X_WDT_TIMER); + __raw_writel(0x1, LS1X_WDT_SET); +} + +static void ls1x_halt(void) +{ + while (1) { + if (cpu_wait) + cpu_wait(); + } +} + +static void ls1x_power_off(void) +{ + ls1x_halt(); +} + +static int __init ls1x_reboot_setup(void) +{ + _machine_restart = ls1x_restart; + _machine_halt = ls1x_halt; + pm_power_off = ls1x_power_off; + + return 0; +} + +arch_initcall(ls1x_reboot_setup); diff --git a/arch/mips/loongson1/common/setup.c b/arch/mips/loongson1/common/setup.c new file mode 100644 index 0000000..62128cc --- /dev/null +++ b/arch/mips/loongson1/common/setup.c @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <asm/bootinfo.h> + +#include <prom.h> + +void __init plat_mem_setup(void) +{ + add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM); +} + +const char *get_system_type(void) +{ + unsigned int processor_id = (¤t_cpu_data)->processor_id; + + switch (processor_id & PRID_REV_MASK) { + case PRID_REV_LOONGSON1B: + return "LOONGSON LS1B"; + default: + return "LOONGSON (unknown)"; + } +} diff --git a/arch/mips/loongson1/ls1b/Makefile b/arch/mips/loongson1/ls1b/Makefile new file mode 100644 index 0000000..891eac4 --- /dev/null +++ b/arch/mips/loongson1/ls1b/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for loongson1B based machines. +# + +obj-y += board.o diff --git a/arch/mips/loongson1/ls1b/board.c b/arch/mips/loongson1/ls1b/board.c new file mode 100644 index 0000000..295b1be --- /dev/null +++ b/arch/mips/loongson1/ls1b/board.c @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <platform.h> + +#include <linux/serial_8250.h> +#include <loongson1.h> + +static struct platform_device *ls1b_platform_devices[] __initdata = { + &ls1x_uart_device, + &ls1x_eth0_device, + &ls1x_ehci_device, + &ls1x_rtc_device, +}; + +static int __init ls1b_platform_init(void) +{ + int err; + + ls1x_serial_setup(); + + err = platform_add_devices(ls1b_platform_devices, + ARRAY_SIZE(ls1b_platform_devices)); + return err; +} + +arch_initcall(ls1b_platform_init); diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c index 5fa1851..64a28e8 100644 --- a/arch/mips/mm/uasm.c +++ b/arch/mips/mm/uasm.c @@ -58,18 +58,16 @@ enum fields { enum opcode { insn_invalid, - insn_addu, insn_addiu, insn_and, insn_andi, insn_beq, - insn_beql, insn_bgez, insn_bgezl, insn_bltz, insn_bltzl, - insn_bne, insn_cache, insn_daddu, insn_daddiu, insn_dmfc0, - insn_dmtc0, insn_dsll, insn_dsll32, insn_dsra, insn_dsrl, - insn_dsrl32, insn_drotr, insn_drotr32, insn_dsubu, insn_eret, - insn_j, insn_jal, insn_jr, insn_ld, insn_ll, insn_lld, - insn_lui, insn_lw, insn_mfc0, insn_mtc0, insn_or, insn_ori, - insn_pref, insn_rfe, insn_sc, insn_scd, insn_sd, insn_sll, - insn_sra, insn_srl, insn_rotr, insn_subu, insn_sw, insn_tlbp, + insn_addiu, insn_addu, insn_and, insn_andi, insn_bbit0, insn_bbit1, + insn_beq, insn_beql, insn_bgez, insn_bgezl, insn_bltz, insn_bltzl, + insn_bne, insn_cache, insn_daddiu, insn_daddu, insn_dins, insn_dinsm, + insn_dmfc0, insn_dmtc0, insn_drotr, insn_drotr32, insn_dsll, + insn_dsll32, insn_dsra, insn_dsrl, insn_dsrl32, insn_dsubu, insn_eret, + insn_j, insn_jal, insn_jr, insn_ld, insn_ldx, insn_ll, insn_lld, + insn_lui, insn_lw, insn_lwx, insn_mfc0, insn_mtc0, insn_or, insn_ori, + insn_pref, insn_rfe, insn_rotr, insn_sc, insn_scd, insn_sd, insn_sll, + insn_sra, insn_srl, insn_subu, insn_sw, insn_syscall, insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori, - insn_dins, insn_dinsm, insn_syscall, insn_bbit0, insn_bbit1, - insn_lwx, insn_ldx }; struct insn { @@ -90,65 +88,65 @@ struct insn { static struct insn insn_table[] __uasminitdata = { { insn_addiu, M(addiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_addu, M(spec_op, 0, 0, 0, 0, addu_op), RS | RT | RD }, - { insn_and, M(spec_op, 0, 0, 0, 0, and_op), RS | RT | RD }, { insn_andi, M(andi_op, 0, 0, 0, 0, 0), RS | RT | UIMM }, - { insn_beq, M(beq_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, + { insn_and, M(spec_op, 0, 0, 0, 0, and_op), RS | RT | RD }, + { insn_bbit0, M(lwc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, + { insn_bbit1, M(swc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, { insn_beql, M(beql_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, - { insn_bgez, M(bcond_op, 0, bgez_op, 0, 0, 0), RS | BIMM }, + { insn_beq, M(beq_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, { insn_bgezl, M(bcond_op, 0, bgezl_op, 0, 0, 0), RS | BIMM }, - { insn_bltz, M(bcond_op, 0, bltz_op, 0, 0, 0), RS | BIMM }, + { insn_bgez, M(bcond_op, 0, bgez_op, 0, 0, 0), RS | BIMM }, { insn_bltzl, M(bcond_op, 0, bltzl_op, 0, 0, 0), RS | BIMM }, + { insn_bltz, M(bcond_op, 0, bltz_op, 0, 0, 0), RS | BIMM }, { insn_bne, M(bne_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, { insn_cache, M(cache_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_daddiu, M(daddiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_daddu, M(spec_op, 0, 0, 0, 0, daddu_op), RS | RT | RD }, + { insn_dinsm, M(spec3_op, 0, 0, 0, 0, dinsm_op), RS | RT | RD | RE }, + { insn_dins, M(spec3_op, 0, 0, 0, 0, dins_op), RS | RT | RD | RE }, { insn_dmfc0, M(cop0_op, dmfc_op, 0, 0, 0, 0), RT | RD | SET}, { insn_dmtc0, M(cop0_op, dmtc_op, 0, 0, 0, 0), RT | RD | SET}, - { insn_dsll, M(spec_op, 0, 0, 0, 0, dsll_op), RT | RD | RE }, + { insn_drotr32, M(spec_op, 1, 0, 0, 0, dsrl32_op), RT | RD | RE }, + { insn_drotr, M(spec_op, 1, 0, 0, 0, dsrl_op), RT | RD | RE }, { insn_dsll32, M(spec_op, 0, 0, 0, 0, dsll32_op), RT | RD | RE }, + { insn_dsll, M(spec_op, 0, 0, 0, 0, dsll_op), RT | RD | RE }, { insn_dsra, M(spec_op, 0, 0, 0, 0, dsra_op), RT | RD | RE }, - { insn_dsrl, M(spec_op, 0, 0, 0, 0, dsrl_op), RT | RD | RE }, { insn_dsrl32, M(spec_op, 0, 0, 0, 0, dsrl32_op), RT | RD | RE }, - { insn_drotr, M(spec_op, 1, 0, 0, 0, dsrl_op), RT | RD | RE }, - { insn_drotr32, M(spec_op, 1, 0, 0, 0, dsrl32_op), RT | RD | RE }, + { insn_dsrl, M(spec_op, 0, 0, 0, 0, dsrl_op), RT | RD | RE }, { insn_dsubu, M(spec_op, 0, 0, 0, 0, dsubu_op), RS | RT | RD }, { insn_eret, M(cop0_op, cop_op, 0, 0, 0, eret_op), 0 }, - { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM }, { insn_jal, M(jal_op, 0, 0, 0, 0, 0), JIMM }, + { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM }, { insn_jr, M(spec_op, 0, 0, 0, 0, jr_op), RS }, { insn_ld, M(ld_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, - { insn_ll, M(ll_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, + { insn_ldx, M(spec3_op, 0, 0, 0, ldx_op, lx_op), RS | RT | RD }, { insn_lld, M(lld_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, + { insn_ll, M(ll_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_lui, M(lui_op, 0, 0, 0, 0, 0), RT | SIMM }, { insn_lw, M(lw_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, + { insn_lwx, M(spec3_op, 0, 0, 0, lwx_op, lx_op), RS | RT | RD }, { insn_mfc0, M(cop0_op, mfc_op, 0, 0, 0, 0), RT | RD | SET}, { insn_mtc0, M(cop0_op, mtc_op, 0, 0, 0, 0), RT | RD | SET}, - { insn_or, M(spec_op, 0, 0, 0, 0, or_op), RS | RT | RD }, { insn_ori, M(ori_op, 0, 0, 0, 0, 0), RS | RT | UIMM }, + { insn_or, M(spec_op, 0, 0, 0, 0, or_op), RS | RT | RD }, { insn_pref, M(pref_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_rfe, M(cop0_op, cop_op, 0, 0, 0, rfe_op), 0 }, - { insn_sc, M(sc_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, + { insn_rotr, M(spec_op, 1, 0, 0, 0, srl_op), RT | RD | RE }, { insn_scd, M(scd_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, + { insn_sc, M(sc_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_sd, M(sd_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_sll, M(spec_op, 0, 0, 0, 0, sll_op), RT | RD | RE }, { insn_sra, M(spec_op, 0, 0, 0, 0, sra_op), RT | RD | RE }, { insn_srl, M(spec_op, 0, 0, 0, 0, srl_op), RT | RD | RE }, - { insn_rotr, M(spec_op, 1, 0, 0, 0, srl_op), RT | RD | RE }, { insn_subu, M(spec_op, 0, 0, 0, 0, subu_op), RS | RT | RD }, { insn_sw, M(sw_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, + { insn_syscall, M(spec_op, 0, 0, 0, 0, syscall_op), SCIMM}, { insn_tlbp, M(cop0_op, cop_op, 0, 0, 0, tlbp_op), 0 }, { insn_tlbr, M(cop0_op, cop_op, 0, 0, 0, tlbr_op), 0 }, { insn_tlbwi, M(cop0_op, cop_op, 0, 0, 0, tlbwi_op), 0 }, { insn_tlbwr, M(cop0_op, cop_op, 0, 0, 0, tlbwr_op), 0 }, - { insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD }, { insn_xori, M(xori_op, 0, 0, 0, 0, 0), RS | RT | UIMM }, - { insn_dins, M(spec3_op, 0, 0, 0, 0, dins_op), RS | RT | RD | RE }, - { insn_dinsm, M(spec3_op, 0, 0, 0, 0, dinsm_op), RS | RT | RD | RE }, - { insn_syscall, M(spec_op, 0, 0, 0, 0, syscall_op), SCIMM}, - { insn_bbit0, M(lwc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, - { insn_bbit1, M(swc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, - { insn_lwx, M(spec3_op, 0, 0, 0, lwx_op, lx_op), RS | RT | RD }, - { insn_ldx, M(spec3_op, 0, 0, 0, ldx_op, lx_op), RS | RT | RD }, + { insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD }, { insn_invalid, 0, 0 } }; diff --git a/arch/mips/netlogic/common/earlycons.c b/arch/mips/netlogic/common/earlycons.c index f193f7b..1902fa2 100644 --- a/arch/mips/netlogic/common/earlycons.c +++ b/arch/mips/netlogic/common/earlycons.c @@ -54,7 +54,7 @@ void prom_putchar(char c) #elif defined(CONFIG_CPU_XLR) uartbase = nlm_mmio_base(NETLOGIC_IO_UART_0_OFFSET); #endif - while (nlm_read_reg(uartbase, UART_LSR) == 0) + while ((nlm_read_reg(uartbase, UART_LSR) & UART_LSR_THRE) == 0) ; nlm_write_reg(uartbase, UART_TX, c); } diff --git a/arch/mips/netlogic/common/smpboot.S b/arch/mips/netlogic/common/smpboot.S index c138b1a..a13355c 100644 --- a/arch/mips/netlogic/common/smpboot.S +++ b/arch/mips/netlogic/common/smpboot.S @@ -54,28 +54,68 @@ XLP_IO_SYS_OFFSET(node) + XLP_IO_PCI_HDRSZ + \ SYS_CPU_NONCOHERENT_MODE * 4 -.macro __config_lsu - li t0, LSU_DEFEATURE - mfcr t1, t0 +#define XLP_AX_WORKAROUND /* enable Ax silicon workarounds */ - lui t2, 0x4080 /* Enable Unaligned Access, L2HPE */ - or t1, t1, t2 - li t2, ~0xe /* S1RCM */ +/* Enable XLP features and workarounds in the LSU */ +.macro xlp_config_lsu + li t0, LSU_DEFEATURE + mfcr t1, t0 + + lui t2, 0x4080 /* Enable Unaligned Access, L2HPE */ + or t1, t1, t2 +#ifdef XLP_AX_WORKAROUND + li t2, ~0xe /* S1RCM */ and t1, t1, t2 - mtcr t1, t0 +#endif + mtcr t1, t0 - li t0, SCHED_DEFEATURE - lui t1, 0x0100 /* Experimental: Disable BRU accepting ALU ops */ - mtcr t1, t0 +#ifdef XLP_AX_WORKAROUND + li t0, SCHED_DEFEATURE + lui t1, 0x0100 /* Disable BRU accepting ALU ops */ + mtcr t1, t0 +#endif +.endm + +/* + * This is the code that will be copied to the reset entry point for + * XLR and XLP. The XLP cores start here when they are woken up. This + * is also the NMI entry point. + */ +.macro xlp_flush_l1_dcache + li t0, LSU_DEBUG_DATA0 + li t1, LSU_DEBUG_ADDR + li t2, 0 /* index */ + li t3, 0x1000 /* loop count */ +1: + sll v0, t2, 5 + mtcr zero, t0 + ori v1, v0, 0x3 /* way0 | write_enable | write_active */ + mtcr v1, t1 +2: + mfcr v1, t1 + andi v1, 0x1 /* wait for write_active == 0 */ + bnez v1, 2b + nop + mtcr zero, t0 + ori v1, v0, 0x7 /* way1 | write_enable | write_active */ + mtcr v1, t1 +3: + mfcr v1, t1 + andi v1, 0x1 /* wait for write_active == 0 */ + bnez v1, 3b + nop + addi t2, 1 + bne t3, t2, 1b + nop .endm /* * The cores can come start when they are woken up. This is also the NMI * entry, so check that first. * - * The data corresponding to reset is stored at RESET_DATA_PHYS location, - * this will have the thread mask (used when core is woken up) and the - * current NMI handler in case we reached here for an NMI. + * The data corresponding to reset/NMI is stored at RESET_DATA_PHYS + * location, this will have the thread mask (used when core is woken up) + * and the current NMI handler in case we reached here for an NMI. * * When a core or thread is newly woken up, it loops in a 'wait'. When * the CPU really needs waking up, we send an NMI to it, with the NMI @@ -89,12 +129,12 @@ FEXPORT(nlm_reset_entry) dmtc0 k0, $22, 6 dmtc0 k1, $22, 7 - mfc0 k0, CP0_STATUS - li k1, 0x80000 - and k1, k0, k1 - beqz k1, 1f /* go to real reset entry */ + mfc0 k0, CP0_STATUS + li k1, 0x80000 + and k1, k0, k1 + beqz k1, 1f /* go to real reset entry */ nop - li k1, CKSEG1ADDR(RESET_DATA_PHYS) /* NMI */ + li k1, CKSEG1ADDR(RESET_DATA_PHYS) /* NMI */ ld k0, BOOT_NMI_HANDLER(k1) jr k0 nop @@ -114,21 +154,25 @@ FEXPORT(nlm_reset_entry) li t2, SYS_CPU_COHERENT_BASE(0) add t2, t2, t3 /* t2 <- SYS offset for node */ lw t1, 0(t2) - and t1, t1, t0 - sw t1, 0(t2) + and t1, t1, t0 + sw t1, 0(t2) /* read back to ensure complete */ - lw t1, 0(t2) + lw t1, 0(t2) sync /* Configure LSU on Non-0 Cores. */ - __config_lsu + xlp_config_lsu + /* FALL THROUGH */ /* * Wake up sibling threads from the initial thread in * a core. */ EXPORT(nlm_boot_siblings) + /* core L1D flush before enable threads */ + xlp_flush_l1_dcache + /* Enable hw threads by writing to MAP_THREADMODE of the core */ li t0, CKSEG1ADDR(RESET_DATA_PHYS) lw t1, BOOT_THREAD_MODE(t0) /* t1 <- thread mode */ li t0, ((CPU_BLOCKID_MAP << 8) | MAP_THREADMODE) @@ -139,31 +183,28 @@ EXPORT(nlm_boot_siblings) /* * The new hardware thread starts at the next instruction * For all the cases other than core 0 thread 0, we will - * jump to the secondary wait function. - */ + * jump to the secondary wait function. + */ mfc0 v0, CP0_EBASE, 1 andi v0, 0x7f /* v0 <- node/core */ -#if 1 - /* A0 errata - Write MMU_SETUP after changing thread mode register. */ + /* Init MMU in the first thread after changing THREAD_MODE + * register (Ax Errata?) + */ andi v1, v0, 0x3 /* v1 <- thread id */ bnez v1, 2f nop - li t0, MMU_SETUP - li t1, 0 - mtcr t1, t0 - ehb -#endif + li t0, MMU_SETUP + li t1, 0 + mtcr t1, t0 + _ehb -2: beqz v0, 4f +2: beqz v0, 4f /* boot cpu (cpuid == 0)? */ nop /* setup status reg */ - mfc0 t1, CP0_STATUS - li t0, ST0_BEV - or t1, t0 - xor t1, t0 + move t1, zero #ifdef CONFIG_64BIT ori t1, ST0_KX #endif @@ -183,9 +224,9 @@ EXPORT(nlm_boot_siblings) * For the boot CPU, we have to restore registers and * return */ -4: dmfc0 t0, $4, 2 /* restore SP from UserLocal */ +4: dmfc0 t0, $4, 2 /* restore SP from UserLocal */ li t1, 0xfadebeef - dmtc0 t1, $4, 2 /* restore SP from UserLocal */ + dmtc0 t1, $4, 2 /* restore SP from UserLocal */ PTR_SUBU sp, t0, PT_SIZE RESTORE_ALL jr ra @@ -193,7 +234,7 @@ EXPORT(nlm_boot_siblings) EXPORT(nlm_reset_entry_end) FEXPORT(xlp_boot_core0_siblings) /* "Master" cpu starts from here */ - __config_lsu + xlp_config_lsu dmtc0 sp, $4, 2 /* SP saved in UserLocal */ SAVE_ALL sync @@ -210,6 +251,12 @@ FEXPORT(xlp_boot_core0_siblings) /* "Master" cpu starts from here */ __CPUINIT NESTED(nlm_boot_secondary_cpus, 16, sp) + /* Initialize CP0 Status */ + move t1, zero +#ifdef CONFIG_64BIT + ori t1, ST0_KX +#endif + mtc0 t1, CP0_STATUS PTR_LA t1, nlm_next_sp PTR_L sp, 0(t1) PTR_LA t1, nlm_next_gp @@ -234,36 +281,36 @@ END(nlm_boot_secondary_cpus) */ __CPUINIT NESTED(nlm_rmiboot_preboot, 16, sp) - mfc0 t0, $15, 1 # read ebase - andi t0, 0x1f # t0 has the processor_id() - andi t2, t0, 0x3 # thread no - sll t0, 2 # offset in cpu array + mfc0 t0, $15, 1 /* read ebase */ + andi t0, 0x1f /* t0 has the processor_id() */ + andi t2, t0, 0x3 /* thread num */ + sll t0, 2 /* offset in cpu array */ - PTR_LA t1, nlm_cpu_ready # mark CPU ready + PTR_LA t1, nlm_cpu_ready /* mark CPU ready */ PTR_ADDU t1, t0 li t3, 1 sw t3, 0(t1) - bnez t2, 1f # skip thread programming - nop # for non zero hw threads + bnez t2, 1f /* skip thread programming */ + nop /* for thread id != 0 */ /* - * MMU setup only for first thread in core + * XLR MMU setup only for first thread in core */ li t0, 0x400 mfcr t1, t0 - li t2, 6 # XLR thread mode mask + li t2, 6 /* XLR thread mode mask */ nor t3, t2, zero - and t2, t1, t2 # t2 - current thread mode + and t2, t1, t2 /* t2 - current thread mode */ li v0, CKSEG1ADDR(RESET_DATA_PHYS) - lw v1, BOOT_THREAD_MODE(v0) # v1 - new thread mode + lw v1, BOOT_THREAD_MODE(v0) /* v1 - new thread mode */ sll v1, 1 - beq v1, t2, 1f # same as request value - nop # nothing to do */ + beq v1, t2, 1f /* same as request value */ + nop /* nothing to do */ - and t2, t1, t3 # mask out old thread mode - or t1, t2, v1 # put in new value - mtcr t1, t0 # update core control + and t2, t1, t3 /* mask out old thread mode */ + or t1, t2, v1 /* put in new value */ + mtcr t1, t0 /* update core control */ 1: wait j 1b diff --git a/arch/mips/netlogic/xlp/Makefile b/arch/mips/netlogic/xlp/Makefile index b93ed83..6b4b972 100644 --- a/arch/mips/netlogic/xlp/Makefile +++ b/arch/mips/netlogic/xlp/Makefile @@ -1,2 +1,4 @@ obj-y += setup.o platform.o nlm_hal.o +obj-$(CONFIG_OF) += of.o obj-$(CONFIG_SMP) += wakeup.o +obj-$(CONFIG_USB) += usb-init.o diff --git a/arch/mips/netlogic/xlp/nlm_hal.c b/arch/mips/netlogic/xlp/nlm_hal.c index 9428e71..6c65ac7 100644 --- a/arch/mips/netlogic/xlp/nlm_hal.c +++ b/arch/mips/netlogic/xlp/nlm_hal.c @@ -69,6 +69,32 @@ int nlm_irq_to_irt(int irq) return PIC_IRT_UART_0_INDEX; case PIC_UART_1_IRQ: return PIC_IRT_UART_1_INDEX; + case PIC_PCIE_LINK_0_IRQ: + return PIC_IRT_PCIE_LINK_0_INDEX; + case PIC_PCIE_LINK_1_IRQ: + return PIC_IRT_PCIE_LINK_1_INDEX; + case PIC_PCIE_LINK_2_IRQ: + return PIC_IRT_PCIE_LINK_2_INDEX; + case PIC_PCIE_LINK_3_IRQ: + return PIC_IRT_PCIE_LINK_3_INDEX; + case PIC_EHCI_0_IRQ: + return PIC_IRT_EHCI_0_INDEX; + case PIC_EHCI_1_IRQ: + return PIC_IRT_EHCI_1_INDEX; + case PIC_OHCI_0_IRQ: + return PIC_IRT_OHCI_0_INDEX; + case PIC_OHCI_1_IRQ: + return PIC_IRT_OHCI_1_INDEX; + case PIC_OHCI_2_IRQ: + return PIC_IRT_OHCI_2_INDEX; + case PIC_OHCI_3_IRQ: + return PIC_IRT_OHCI_3_INDEX; + case PIC_MMC_IRQ: + return PIC_IRT_MMC_INDEX; + case PIC_I2C_0_IRQ: + return PIC_IRT_I2C_0_INDEX; + case PIC_I2C_1_IRQ: + return PIC_IRT_I2C_1_INDEX; default: return -1; } @@ -81,6 +107,32 @@ int nlm_irt_to_irq(int irt) return PIC_UART_0_IRQ; case PIC_IRT_UART_1_INDEX: return PIC_UART_1_IRQ; + case PIC_IRT_PCIE_LINK_0_INDEX: + return PIC_PCIE_LINK_0_IRQ; + case PIC_IRT_PCIE_LINK_1_INDEX: + return PIC_PCIE_LINK_1_IRQ; + case PIC_IRT_PCIE_LINK_2_INDEX: + return PIC_PCIE_LINK_2_IRQ; + case PIC_IRT_PCIE_LINK_3_INDEX: + return PIC_PCIE_LINK_3_IRQ; + case PIC_IRT_EHCI_0_INDEX: + return PIC_EHCI_0_IRQ; + case PIC_IRT_EHCI_1_INDEX: + return PIC_EHCI_1_IRQ; + case PIC_IRT_OHCI_0_INDEX: + return PIC_OHCI_0_IRQ; + case PIC_IRT_OHCI_1_INDEX: + return PIC_OHCI_1_IRQ; + case PIC_IRT_OHCI_2_INDEX: + return PIC_OHCI_2_IRQ; + case PIC_IRT_OHCI_3_INDEX: + return PIC_OHCI_3_IRQ; + case PIC_IRT_MMC_INDEX: + return PIC_MMC_IRQ; + case PIC_IRT_I2C_0_INDEX: + return PIC_I2C_0_IRQ; + case PIC_IRT_I2C_1_INDEX: + return PIC_I2C_1_IRQ; default: return -1; } diff --git a/arch/mips/netlogic/xlp/of.c b/arch/mips/netlogic/xlp/of.c new file mode 100644 index 0000000..8e3921c --- /dev/null +++ b/arch/mips/netlogic/xlp/of.c @@ -0,0 +1,34 @@ +#include <linux/bootmem.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/of_fdt.h> +#include <asm/byteorder.h> + +static int __init reserve_mem_mach(unsigned long addr, unsigned long size) +{ + return reserve_bootmem(addr, size, BOOTMEM_DEFAULT); +} + +void __init free_mem_mach(unsigned long addr, unsigned long size) +{ + return free_bootmem(addr, size); +} + +void __init device_tree_init(void) +{ + unsigned long base, size; + + if (!initial_boot_params) + return; + + base = virt_to_phys((void *)initial_boot_params); + size = be32_to_cpu(initial_boot_params->totalsize); + + /* Before we do anything, lets reserve the dt blob */ + reserve_mem_mach(base, size); + + unflatten_device_tree(); + + /* free the space reserved for the dt blob */ + free_mem_mach(base, size); +} diff --git a/arch/mips/netlogic/xlp/platform.c b/arch/mips/netlogic/xlp/platform.c index 1f5e4cb..2c510d5 100644 --- a/arch/mips/netlogic/xlp/platform.c +++ b/arch/mips/netlogic/xlp/platform.c @@ -53,7 +53,7 @@ static unsigned int nlm_xlp_uart_in(struct uart_port *p, int offset) { - return nlm_read_reg(p->iobase, offset); + return nlm_read_reg(p->iobase, offset); } static void nlm_xlp_uart_out(struct uart_port *p, int offset, int value) diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c index b3df7c2..3dec9f2 100644 --- a/arch/mips/netlogic/xlp/setup.c +++ b/arch/mips/netlogic/xlp/setup.c @@ -41,6 +41,8 @@ #include <asm/bootinfo.h> #include <linux/of_fdt.h> +#include <linux/of_platform.h> +#include <linux/of_device.h> #include <asm/netlogic/haldefs.h> #include <asm/netlogic/common.h> @@ -109,3 +111,17 @@ void __init prom_init(void) register_smp_ops(&nlm_smp_ops); #endif } + +static struct of_device_id __initdata xlp_ids[] = { + { .compatible = "simple-bus", }, + {}, +}; + +int __init xlp8xx_ds_publish_devices(void) +{ + if (!of_have_populated_dt()) + return 0; + return of_platform_bus_probe(NULL, xlp_ids, NULL); +} + +device_initcall(xlp8xx_ds_publish_devices); diff --git a/arch/mips/netlogic/xlp/usb-init.c b/arch/mips/netlogic/xlp/usb-init.c new file mode 100644 index 0000000..dbe083a --- /dev/null +++ b/arch/mips/netlogic/xlp/usb-init.c @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/dma-mapping.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/platform_device.h> + +#include <asm/netlogic/haldefs.h> +#include <asm/netlogic/xlp-hal/iomap.h> +#include <asm/netlogic/xlp-hal/xlp.h> +#include <asm/netlogic/xlp-hal/usb.h> + +static void nlm_usb_intr_en(int node, int port) +{ + uint32_t val; + uint64_t port_addr; + + port_addr = nlm_get_usb_regbase(node, port); + val = nlm_read_usb_reg(port_addr, USB_INT_EN); + val = USB_CTRL_INTERRUPT_EN | USB_OHCI_INTERRUPT_EN | + USB_OHCI_INTERRUPT1_EN | USB_CTRL_INTERRUPT_EN | + USB_OHCI_INTERRUPT_EN | USB_OHCI_INTERRUPT2_EN; + nlm_write_usb_reg(port_addr, USB_INT_EN, val); +} + +static void nlm_usb_hw_reset(int node, int port) +{ + uint64_t port_addr; + uint32_t val; + + /* reset USB phy */ + port_addr = nlm_get_usb_regbase(node, port); + val = nlm_read_usb_reg(port_addr, USB_PHY_0); + val &= ~(USB_PHY_RESET | USB_PHY_PORT_RESET_0 | USB_PHY_PORT_RESET_1); + nlm_write_usb_reg(port_addr, USB_PHY_0, val); + + mdelay(100); + val = nlm_read_usb_reg(port_addr, USB_CTL_0); + val &= ~(USB_CONTROLLER_RESET); + val |= 0x4; + nlm_write_usb_reg(port_addr, USB_CTL_0, val); +} + +static int __init nlm_platform_usb_init(void) +{ + pr_info("Initializing USB Interface\n"); + nlm_usb_hw_reset(0, 0); + nlm_usb_hw_reset(0, 3); + + /* Enable PHY interrupts */ + nlm_usb_intr_en(0, 0); + nlm_usb_intr_en(0, 3); + + return 0; +} + +arch_initcall(nlm_platform_usb_init); + +static u64 xlp_usb_dmamask = ~(u32)0; + +/* Fixup the IRQ for USB devices which is exist on XLP SOC PCIE bus */ +static void nlm_usb_fixup_final(struct pci_dev *dev) +{ + dev->dev.dma_mask = &xlp_usb_dmamask; + dev->dev.coherent_dma_mask = DMA_BIT_MASK(64); + switch (dev->devfn) { + case 0x10: + dev->irq = PIC_EHCI_0_IRQ; + break; + case 0x11: + dev->irq = PIC_OHCI_0_IRQ; + break; + case 0x12: + dev->irq = PIC_OHCI_1_IRQ; + break; + case 0x13: + dev->irq = PIC_EHCI_1_IRQ; + break; + case 0x14: + dev->irq = PIC_OHCI_2_IRQ; + break; + case 0x15: + dev->irq = PIC_OHCI_3_IRQ; + break; + } +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_NETLOGIC, PCI_DEVICE_ID_NLM_EHCI, + nlm_usb_fixup_final); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_NETLOGIC, PCI_DEVICE_ID_NLM_OHCI, + nlm_usb_fixup_final); diff --git a/arch/mips/netlogic/xlr/Makefile b/arch/mips/netlogic/xlr/Makefile index f01e4d7..c287dea 100644 --- a/arch/mips/netlogic/xlr/Makefile +++ b/arch/mips/netlogic/xlr/Makefile @@ -1,2 +1,2 @@ -obj-y += setup.o platform.o +obj-y += setup.o platform.o platform-flash.o obj-$(CONFIG_SMP) += wakeup.o diff --git a/arch/mips/netlogic/xlr/platform-flash.c b/arch/mips/netlogic/xlr/platform-flash.c new file mode 100644 index 0000000..340ab16 --- /dev/null +++ b/arch/mips/netlogic/xlr/platform-flash.c @@ -0,0 +1,220 @@ +/* + * Copyright 2011, Netlogic Microsystems. + * Copyright 2004, Matt Porter <mporter@kernel.crashing.org> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/delay.h> +#include <linux/ioport.h> +#include <linux/resource.h> +#include <linux/spi/flash.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/partitions.h> + +#include <asm/netlogic/haldefs.h> +#include <asm/netlogic/xlr/iomap.h> +#include <asm/netlogic/xlr/flash.h> +#include <asm/netlogic/xlr/bridge.h> +#include <asm/netlogic/xlr/gpio.h> +#include <asm/netlogic/xlr/xlr.h> + +/* + * Default NOR partition layout + */ +static struct mtd_partition xlr_nor_parts[] = { + { + .name = "User FS", + .offset = 0x800000, + .size = MTDPART_SIZ_FULL, + } +}; + +/* + * Default NAND partition layout + */ +static struct mtd_partition xlr_nand_parts[] = { + { + .name = "Root Filesystem", + .offset = 64 * 64 * 2048, + .size = 432 * 64 * 2048, + }, + { + .name = "Home Filesystem", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + }, +}; + +/* Use PHYSMAP flash for NOR */ +struct physmap_flash_data xlr_nor_data = { + .width = 2, + .parts = xlr_nor_parts, + .nr_parts = ARRAY_SIZE(xlr_nor_parts), +}; + +static struct resource xlr_nor_res[] = { + { + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device xlr_nor_dev = { + .name = "physmap-flash", + .dev = { + .platform_data = &xlr_nor_data, + }, + .num_resources = ARRAY_SIZE(xlr_nor_res), + .resource = xlr_nor_res, +}; + +const char *xlr_part_probes[] = { "cmdlinepart", NULL }; + +/* + * Use "gen_nand" driver for NAND flash + * + * There seems to be no way to store a private pointer containing + * platform specific info in gen_nand drivier. We will use a global + * struct for now, since we currently have only one NAND chip per board. + */ +struct xlr_nand_flash_priv { + int cs; + uint64_t flash_mmio; +}; + +static struct xlr_nand_flash_priv nand_priv; + +static void xlr_nand_ctrl(struct mtd_info *mtd, int cmd, + unsigned int ctrl) +{ + if (ctrl & NAND_CLE) + nlm_write_reg(nand_priv.flash_mmio, + FLASH_NAND_CLE(nand_priv.cs), cmd); + else if (ctrl & NAND_ALE) + nlm_write_reg(nand_priv.flash_mmio, + FLASH_NAND_ALE(nand_priv.cs), cmd); +} + +struct platform_nand_data xlr_nand_data = { + .chip = { + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(xlr_nand_parts), + .chip_delay = 50, + .partitions = xlr_nand_parts, + .part_probe_types = xlr_part_probes, + }, + .ctrl = { + .cmd_ctrl = xlr_nand_ctrl, + }, +}; + +static struct resource xlr_nand_res[] = { + { + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device xlr_nand_dev = { + .name = "gen_nand", + .id = -1, + .num_resources = ARRAY_SIZE(xlr_nand_res), + .resource = xlr_nand_res, + .dev = { + .platform_data = &xlr_nand_data, + } +}; + +/* + * XLR/XLS supports upto 8 devices on its FLASH interface. The value in + * FLASH_BAR (on the MEM/IO bridge) gives the base for mapping all the + * flash devices. + * Under this, each flash device has an offset and size given by the + * CSBASE_ADDR and CSBASE_MASK registers for the device. + * + * The CSBASE_ registers are expected to be setup by the bootloader. + */ +static void setup_flash_resource(uint64_t flash_mmio, + uint64_t flash_map_base, int cs, struct resource *res) +{ + u32 base, mask; + + base = nlm_read_reg(flash_mmio, FLASH_CSBASE_ADDR(cs)); + mask = nlm_read_reg(flash_mmio, FLASH_CSADDR_MASK(cs)); + + res->start = flash_map_base + ((unsigned long)base << 16); + res->end = res->start + (mask + 1) * 64 * 1024; +} + +static int __init xlr_flash_init(void) +{ + uint64_t gpio_mmio, flash_mmio, flash_map_base; + u32 gpio_resetcfg, flash_bar; + int cs, boot_nand, boot_nor; + + /* Flash address bits 39:24 is in bridge flash BAR */ + flash_bar = nlm_read_reg(nlm_io_base, BRIDGE_FLASH_BAR); + flash_map_base = (flash_bar & 0xffff0000) << 8; + + gpio_mmio = nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET); + flash_mmio = nlm_mmio_base(NETLOGIC_IO_FLASH_OFFSET); + + /* Get the chip reset config */ + gpio_resetcfg = nlm_read_reg(gpio_mmio, GPIO_PWRON_RESET_CFG_REG); + + /* Check for boot flash type */ + boot_nor = boot_nand = 0; + if (nlm_chip_is_xls()) { + /* On XLS, check boot from NAND bit (GPIO reset reg bit 16) */ + if (gpio_resetcfg & (1 << 16)) + boot_nand = 1; + + /* check boot from PCMCIA, (GPIO reset reg bit 15 */ + if ((gpio_resetcfg & (1 << 15)) == 0) + boot_nor = 1; /* not set, booted from NOR */ + } else { /* XLR */ + /* check boot from PCMCIA (bit 16 in GPIO reset on XLR) */ + if ((gpio_resetcfg & (1 << 16)) == 0) + boot_nor = 1; /* not set, booted from NOR */ + } + + /* boot flash at chip select 0 */ + cs = 0; + + if (boot_nand) { + nand_priv.cs = cs; + nand_priv.flash_mmio = flash_mmio; + setup_flash_resource(flash_mmio, flash_map_base, cs, + xlr_nand_res); + + /* Initialize NAND flash at CS 0 */ + nlm_write_reg(flash_mmio, FLASH_CSDEV_PARM(cs), + FLASH_NAND_CSDEV_PARAM); + nlm_write_reg(flash_mmio, FLASH_CSTIME_PARMA(cs), + FLASH_NAND_CSTIME_PARAMA); + nlm_write_reg(flash_mmio, FLASH_CSTIME_PARMB(cs), + FLASH_NAND_CSTIME_PARAMB); + + pr_info("ChipSelect %d: NAND Flash %pR\n", cs, xlr_nand_res); + return platform_device_register(&xlr_nand_dev); + } + + if (boot_nor) { + setup_flash_resource(flash_mmio, flash_map_base, cs, + xlr_nor_res); + pr_info("ChipSelect %d: NOR Flash %pR\n", cs, xlr_nor_res); + return platform_device_register(&xlr_nor_dev); + } + return 0; +} + +arch_initcall(xlr_flash_init); diff --git a/arch/mips/netlogic/xlr/platform.c b/arch/mips/netlogic/xlr/platform.c index eab64b4..71b44d8 100644 --- a/arch/mips/netlogic/xlr/platform.c +++ b/arch/mips/netlogic/xlr/platform.c @@ -14,6 +14,7 @@ #include <linux/resource.h> #include <linux/serial_8250.h> #include <linux/serial_reg.h> +#include <linux/i2c.h> #include <asm/netlogic/haldefs.h> #include <asm/netlogic/xlr/iomap.h> @@ -97,3 +98,142 @@ static int __init nlm_uart_init(void) } arch_initcall(nlm_uart_init); + +#ifdef CONFIG_USB +/* Platform USB devices, only on XLS chips */ +static u64 xls_usb_dmamask = ~(u32)0; +#define USB_PLATFORM_DEV(n, i, irq) \ + { \ + .name = n, \ + .id = i, \ + .num_resources = 2, \ + .dev = { \ + .dma_mask = &xls_usb_dmamask, \ + .coherent_dma_mask = 0xffffffff, \ + }, \ + .resource = (struct resource[]) { \ + { \ + .flags = IORESOURCE_MEM, \ + }, \ + { \ + .start = irq, \ + .end = irq, \ + .flags = IORESOURCE_IRQ, \ + }, \ + }, \ + } + +static struct platform_device xls_usb_ehci_device = + USB_PLATFORM_DEV("ehci-xls", 0, PIC_USB_IRQ); +static struct platform_device xls_usb_ohci_device_0 = + USB_PLATFORM_DEV("ohci-xls-0", 1, PIC_USB_IRQ); +static struct platform_device xls_usb_ohci_device_1 = + USB_PLATFORM_DEV("ohci-xls-1", 2, PIC_USB_IRQ); + +static struct platform_device *xls_platform_devices[] = { + &xls_usb_ehci_device, + &xls_usb_ohci_device_0, + &xls_usb_ohci_device_1, +}; + +int xls_platform_usb_init(void) +{ + uint64_t usb_mmio, gpio_mmio; + unsigned long memres; + uint32_t val; + + if (!nlm_chip_is_xls()) + return 0; + + gpio_mmio = nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET); + usb_mmio = nlm_mmio_base(NETLOGIC_IO_USB_1_OFFSET); + + /* Clear Rogue Phy INTs */ + nlm_write_reg(usb_mmio, 49, 0x10000000); + /* Enable all interrupts */ + nlm_write_reg(usb_mmio, 50, 0x1f000000); + + /* Enable ports */ + nlm_write_reg(usb_mmio, 1, 0x07000500); + + val = nlm_read_reg(gpio_mmio, 21); + if (((val >> 22) & 0x01) == 0) { + pr_info("Detected USB Device mode - Not supported!\n"); + nlm_write_reg(usb_mmio, 0, 0x01000000); + return 0; + } + + pr_info("Detected USB Host mode - Adding XLS USB devices.\n"); + /* Clear reset, host mode */ + nlm_write_reg(usb_mmio, 0, 0x02000000); + + /* Memory resource for various XLS usb ports */ + usb_mmio = nlm_mmio_base(NETLOGIC_IO_USB_0_OFFSET); + memres = CPHYSADDR((unsigned long)usb_mmio); + xls_usb_ehci_device.resource[0].start = memres; + xls_usb_ehci_device.resource[0].end = memres + 0x400 - 1; + + memres += 0x400; + xls_usb_ohci_device_0.resource[0].start = memres; + xls_usb_ohci_device_0.resource[0].end = memres + 0x400 - 1; + + memres += 0x400; + xls_usb_ohci_device_1.resource[0].start = memres; + xls_usb_ohci_device_1.resource[0].end = memres + 0x400 - 1; + + return platform_add_devices(xls_platform_devices, + ARRAY_SIZE(xls_platform_devices)); +} + +arch_initcall(xls_platform_usb_init); +#endif + +#ifdef CONFIG_I2C +static struct i2c_board_info nlm_i2c_board_info1[] __initdata = { + /* All XLR boards have this RTC and Max6657 Temp Chip */ + [0] = { + .type = "ds1374", + .addr = 0x68 + }, + [1] = { + .type = "lm90", + .addr = 0x4c + }, +}; + +static struct resource i2c_resources[] = { + [0] = { + .start = 0, /* filled at init */ + .end = 0, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device nlm_xlr_i2c_1 = { + .name = "xlr-i2cbus", + .id = 1, + .num_resources = 1, + .resource = i2c_resources, +}; + +static int __init nlm_i2c_init(void) +{ + int err = 0; + unsigned int offset; + + /* I2C bus 0 does not have any useful devices, configure only bus 1 */ + offset = NETLOGIC_IO_I2C_1_OFFSET; + nlm_xlr_i2c_1.resource[0].start = CPHYSADDR(nlm_mmio_base(offset)); + nlm_xlr_i2c_1.resource[0].end = nlm_xlr_i2c_1.resource[0].start + 0xfff; + + platform_device_register(&nlm_xlr_i2c_1); + + err = i2c_register_board_info(1, nlm_i2c_board_info1, + ARRAY_SIZE(nlm_i2c_board_info1)); + if (err < 0) + pr_err("nlm-i2c: cannot register board I2C devices\n"); + return err; +} + +arch_initcall(nlm_i2c_init); +#endif diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c index c9d066d..81b1d31 100644 --- a/arch/mips/netlogic/xlr/setup.c +++ b/arch/mips/netlogic/xlr/setup.c @@ -85,7 +85,7 @@ static void nlm_linux_exit(void) gpiobase = nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET); /* trigger a chip reset by writing 1 to GPIO_SWRESET_REG */ - nlm_write_reg(gpiobase, NETLOGIC_GPIO_SWRESET_REG, 1); + nlm_write_reg(gpiobase, GPIO_SWRESET_REG, 1); for ( ; ; ) cpu_wait(); } diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c index b6e3782..f80480a 100644 --- a/arch/mips/oprofile/common.c +++ b/arch/mips/oprofile/common.c @@ -85,6 +85,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) case CPU_34K: case CPU_1004K: case CPU_74K: + case CPU_LOONGSON1: case CPU_SB1: case CPU_SB1A: case CPU_R10000: diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index 4d80a85..28ea1a4 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -339,12 +339,6 @@ static int __init mipsxx_init(void) break; case CPU_1004K: -#if 0 - /* FIXME: report as 34K for now */ - op_model_mipsxx_ops.cpu_type = "mips/1004K"; - break; -#endif - case CPU_34K: op_model_mipsxx_ops.cpu_type = "mips/34K"; break; @@ -374,6 +368,10 @@ static int __init mipsxx_init(void) op_model_mipsxx_ops.cpu_type = "mips/sb1"; break; + case CPU_LOONGSON1: + op_model_mipsxx_ops.cpu_type = "mips/loongson1"; + break; + default: printk(KERN_ERR "Profiling unsupported for this CPU\n"); diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile index c703f43..e13a71c 100644 --- a/arch/mips/pci/Makefile +++ b/arch/mips/pci/Makefile @@ -59,6 +59,7 @@ obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o obj-$(CONFIG_MIKROTIK_RB532) += pci-rc32434.o ops-rc32434.o fixup-rc32434.o obj-$(CONFIG_CPU_CAVIUM_OCTEON) += pci-octeon.o pcie-octeon.o obj-$(CONFIG_CPU_XLR) += pci-xlr.o +obj-$(CONFIG_CPU_XLP) += pci-xlp.o ifdef CONFIG_PCI_MSI obj-$(CONFIG_CPU_CAVIUM_OCTEON) += msi-octeon.o diff --git a/arch/mips/pci/fixup-cobalt.c b/arch/mips/pci/fixup-cobalt.c index 9553b14..3e7ce65 100644 --- a/arch/mips/pci/fixup-cobalt.c +++ b/arch/mips/pci/fixup-cobalt.c @@ -37,7 +37,7 @@ #define VIA_COBALT_BRD_ID_REG 0x94 #define VIA_COBALT_BRD_REG_to_ID(reg) ((unsigned char)(reg) >> 4) -static void qube_raq_galileo_early_fixup(struct pci_dev *dev) +static void __devinit qube_raq_galileo_early_fixup(struct pci_dev *dev) { if (dev->devfn == PCI_DEVFN(0, 0) && (dev->class >> 8) == PCI_CLASS_MEMORY_OTHER) { @@ -51,7 +51,7 @@ static void qube_raq_galileo_early_fixup(struct pci_dev *dev) DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_GT64111, qube_raq_galileo_early_fixup); -static void qube_raq_via_bmIDE_fixup(struct pci_dev *dev) +static void __devinit qube_raq_via_bmIDE_fixup(struct pci_dev *dev) { unsigned short cfgword; unsigned char lt; @@ -74,7 +74,7 @@ static void qube_raq_via_bmIDE_fixup(struct pci_dev *dev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, qube_raq_via_bmIDE_fixup); -static void qube_raq_galileo_fixup(struct pci_dev *dev) +static void __devinit qube_raq_galileo_fixup(struct pci_dev *dev) { if (dev->devfn != PCI_DEVFN(0, 0)) return; @@ -129,7 +129,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_GT64111, int cobalt_board_id; -static void qube_raq_via_board_id_fixup(struct pci_dev *dev) +static void __devinit qube_raq_via_board_id_fixup(struct pci_dev *dev) { u8 id; int retval; diff --git a/arch/mips/pci/fixup-malta.c b/arch/mips/pci/fixup-malta.c index 70073c9..819622f 100644 --- a/arch/mips/pci/fixup-malta.c +++ b/arch/mips/pci/fixup-malta.c @@ -101,3 +101,17 @@ static void __devinit malta_piix_func1_fixup(struct pci_dev *pdev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB, malta_piix_func1_fixup); + +/* Enable PCI 2.1 compatibility in PIIX4 */ +static void __devinit quirk_dlcsetup(struct pci_dev *dev) +{ + u8 odlc, ndlc; + + (void) pci_read_config_byte(dev, 0x82, &odlc); + /* Enable passive releases and delayed transaction */ + ndlc = odlc | 7; + (void) pci_write_config_byte(dev, 0x82, ndlc); +} + +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_0, + quirk_dlcsetup); diff --git a/arch/mips/pci/fixup-rc32434.c b/arch/mips/pci/fixup-rc32434.c index 3d86823..76bb1be 100644 --- a/arch/mips/pci/fixup-rc32434.c +++ b/arch/mips/pci/fixup-rc32434.c @@ -47,7 +47,7 @@ int __devinit pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return irq + GROUP4_IRQ_BASE + 4; } -static void rc32434_pci_early_fixup(struct pci_dev *dev) +static void __devinit rc32434_pci_early_fixup(struct pci_dev *dev) { if (PCI_SLOT(dev->devfn) == 6 && dev->bus->number == 0) { /* disable prefetched memory range */ diff --git a/arch/mips/pci/ops-bcm63xx.c b/arch/mips/pci/ops-bcm63xx.c index 822ae17..65c7bd1 100644 --- a/arch/mips/pci/ops-bcm63xx.c +++ b/arch/mips/pci/ops-bcm63xx.c @@ -411,7 +411,7 @@ struct pci_ops bcm63xx_cb_ops = { * only one IO window, so it cannot be shared by PCI and cardbus, use * fixup to choose and detect unhandled configuration */ -static void bcm63xx_fixup(struct pci_dev *dev) +static void __devinit bcm63xx_fixup(struct pci_dev *dev) { static int io_window = -1; int i, found, new_io_window; @@ -465,3 +465,64 @@ static void bcm63xx_fixup(struct pci_dev *dev) DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, bcm63xx_fixup); #endif + +static int bcm63xx_pcie_can_access(struct pci_bus *bus, int devfn) +{ + switch (bus->number) { + case PCIE_BUS_BRIDGE: + return (PCI_SLOT(devfn) == 0); + case PCIE_BUS_DEVICE: + if (PCI_SLOT(devfn) == 0) + return bcm_pcie_readl(PCIE_DLSTATUS_REG) + & DLSTATUS_PHYLINKUP; + default: + return false; + } +} + +static int bcm63xx_pcie_read(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *val) +{ + u32 data; + u32 reg = where & ~3; + + if (!bcm63xx_pcie_can_access(bus, devfn)) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (bus->number == PCIE_BUS_DEVICE) + reg += PCIE_DEVICE_OFFSET; + + data = bcm_pcie_readl(reg); + + *val = postprocess_read(data, where, size); + + return PCIBIOS_SUCCESSFUL; + +} + +static int bcm63xx_pcie_write(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 val) +{ + u32 data; + u32 reg = where & ~3; + + if (!bcm63xx_pcie_can_access(bus, devfn)) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (bus->number == PCIE_BUS_DEVICE) + reg += PCIE_DEVICE_OFFSET; + + + data = bcm_pcie_readl(reg); + + data = preprocess_write(data, val, where, size); + bcm_pcie_writel(data, reg); + + return PCIBIOS_SUCCESSFUL; +} + + +struct pci_ops bcm63xx_pcie_ops = { + .read = bcm63xx_pcie_read, + .write = bcm63xx_pcie_write +}; diff --git a/arch/mips/pci/pci-bcm63xx.c b/arch/mips/pci/pci-bcm63xx.c index 39eb7c4..8a48139 100644 --- a/arch/mips/pci/pci-bcm63xx.c +++ b/arch/mips/pci/pci-bcm63xx.c @@ -10,6 +10,7 @@ #include <linux/pci.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/delay.h> #include <asm/bootinfo.h> #include "pci-bcm63xx.h" @@ -71,6 +72,26 @@ struct pci_controller bcm63xx_cb_controller = { }; #endif +static struct resource bcm_pcie_mem_resource = { + .name = "bcm63xx PCIe memory space", + .start = BCM_PCIE_MEM_BASE_PA, + .end = BCM_PCIE_MEM_END_PA, + .flags = IORESOURCE_MEM, +}; + +static struct resource bcm_pcie_io_resource = { + .name = "bcm63xx PCIe IO space", + .start = 0, + .end = 0, + .flags = 0, +}; + +struct pci_controller bcm63xx_pcie_controller = { + .pci_ops = &bcm63xx_pcie_ops, + .io_resource = &bcm_pcie_io_resource, + .mem_resource = &bcm_pcie_mem_resource, +}; + static u32 bcm63xx_int_cfg_readl(u32 reg) { u32 tmp; @@ -94,17 +115,99 @@ static void bcm63xx_int_cfg_writel(u32 val, u32 reg) void __iomem *pci_iospace_start; -static int __init bcm63xx_pci_init(void) +static void __init bcm63xx_reset_pcie(void) { - unsigned int mem_size; u32 val; - if (!BCMCPU_IS_6348() && !BCMCPU_IS_6358() && !BCMCPU_IS_6368()) - return -ENODEV; + /* enable clock */ + val = bcm_perf_readl(PERF_CKCTL_REG); + val |= CKCTL_6328_PCIE_EN; + bcm_perf_writel(val, PERF_CKCTL_REG); + + /* enable SERDES */ + val = bcm_misc_readl(MISC_SERDES_CTRL_REG); + val |= SERDES_PCIE_EN | SERDES_PCIE_EXD_EN; + bcm_misc_writel(val, MISC_SERDES_CTRL_REG); + + /* reset the PCIe core */ + val = bcm_perf_readl(PERF_SOFTRESET_6328_REG); + + val &= ~SOFTRESET_6328_PCIE_MASK; + val &= ~SOFTRESET_6328_PCIE_CORE_MASK; + val &= ~SOFTRESET_6328_PCIE_HARD_MASK; + val &= ~SOFTRESET_6328_PCIE_EXT_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6328_REG); + mdelay(10); + + val |= SOFTRESET_6328_PCIE_MASK; + val |= SOFTRESET_6328_PCIE_CORE_MASK; + val |= SOFTRESET_6328_PCIE_HARD_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6328_REG); + mdelay(10); + + val |= SOFTRESET_6328_PCIE_EXT_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6328_REG); + mdelay(200); +} - if (!bcm63xx_pci_enabled) - return -ENODEV; +static int __init bcm63xx_register_pcie(void) +{ + u32 val; + bcm63xx_reset_pcie(); + + /* configure the PCIe bridge */ + val = bcm_pcie_readl(PCIE_BRIDGE_OPT1_REG); + val |= OPT1_RD_BE_OPT_EN; + val |= OPT1_RD_REPLY_BE_FIX_EN; + val |= OPT1_PCIE_BRIDGE_HOLE_DET_EN; + val |= OPT1_L1_INT_STATUS_MASK_POL; + bcm_pcie_writel(val, PCIE_BRIDGE_OPT1_REG); + + /* setup the interrupts */ + val = bcm_pcie_readl(PCIE_BRIDGE_RC_INT_MASK_REG); + val |= PCIE_RC_INT_A | PCIE_RC_INT_B | PCIE_RC_INT_C | PCIE_RC_INT_D; + bcm_pcie_writel(val, PCIE_BRIDGE_RC_INT_MASK_REG); + + val = bcm_pcie_readl(PCIE_BRIDGE_OPT2_REG); + /* enable credit checking and error checking */ + val |= OPT2_TX_CREDIT_CHK_EN; + val |= OPT2_UBUS_UR_DECODE_DIS; + + /* set device bus/func for the pcie device */ + val |= (PCIE_BUS_DEVICE << OPT2_CFG_TYPE1_BUS_NO_SHIFT); + val |= OPT2_CFG_TYPE1_BD_SEL; + bcm_pcie_writel(val, PCIE_BRIDGE_OPT2_REG); + + /* setup class code as bridge */ + val = bcm_pcie_readl(PCIE_IDVAL3_REG); + val &= ~IDVAL3_CLASS_CODE_MASK; + val |= (PCI_CLASS_BRIDGE_PCI << IDVAL3_SUBCLASS_SHIFT); + bcm_pcie_writel(val, PCIE_IDVAL3_REG); + + /* disable bar1 size */ + val = bcm_pcie_readl(PCIE_CONFIG2_REG); + val &= ~CONFIG2_BAR1_SIZE_MASK; + bcm_pcie_writel(val, PCIE_CONFIG2_REG); + + /* set bar0 to little endian */ + val = (BCM_PCIE_MEM_BASE_PA >> 20) << BASEMASK_BASE_SHIFT; + val |= (BCM_PCIE_MEM_BASE_PA >> 20) << BASEMASK_MASK_SHIFT; + val |= BASEMASK_REMAP_EN; + bcm_pcie_writel(val, PCIE_BRIDGE_BAR0_BASEMASK_REG); + + val = (BCM_PCIE_MEM_BASE_PA >> 20) << REBASE_ADDR_BASE_SHIFT; + bcm_pcie_writel(val, PCIE_BRIDGE_BAR0_REBASE_ADDR_REG); + + register_pci_controller(&bcm63xx_pcie_controller); + + return 0; +} + +static int __init bcm63xx_register_pci(void) +{ + unsigned int mem_size; + u32 val; /* * configuration access are done through IO space, remap 4 * first bytes to access it from CPU. @@ -221,4 +324,22 @@ static int __init bcm63xx_pci_init(void) return 0; } + +static int __init bcm63xx_pci_init(void) +{ + if (!bcm63xx_pci_enabled) + return -ENODEV; + + switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + return bcm63xx_register_pcie(); + case BCM6348_CPU_ID: + case BCM6358_CPU_ID: + case BCM6368_CPU_ID: + return bcm63xx_register_pci(); + default: + return -ENODEV; + } +} + arch_initcall(bcm63xx_pci_init); diff --git a/arch/mips/pci/pci-bcm63xx.h b/arch/mips/pci/pci-bcm63xx.h index a6e594e..e6736d5 100644 --- a/arch/mips/pci/pci-bcm63xx.h +++ b/arch/mips/pci/pci-bcm63xx.h @@ -13,11 +13,16 @@ */ #define CARDBUS_PCI_IDSEL 0x8 + +#define PCIE_BUS_BRIDGE 0 +#define PCIE_BUS_DEVICE 1 + /* * defined in ops-bcm63xx.c */ extern struct pci_ops bcm63xx_pci_ops; extern struct pci_ops bcm63xx_cb_ops; +extern struct pci_ops bcm63xx_pcie_ops; /* * defined in pci-bcm63xx.c diff --git a/arch/mips/pci/pci-xlp.c b/arch/mips/pci/pci-xlp.c new file mode 100644 index 0000000..140557a --- /dev/null +++ b/arch/mips/pci/pci-xlp.c @@ -0,0 +1,248 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/msi.h> +#include <linux/mm.h> +#include <linux/irq.h> +#include <linux/irqdesc.h> +#include <linux/console.h> + +#include <asm/io.h> + +#include <asm/netlogic/interrupt.h> +#include <asm/netlogic/haldefs.h> + +#include <asm/netlogic/xlp-hal/iomap.h> +#include <asm/netlogic/xlp-hal/pic.h> +#include <asm/netlogic/xlp-hal/xlp.h> +#include <asm/netlogic/xlp-hal/pcibus.h> +#include <asm/netlogic/xlp-hal/bridge.h> + +static void *pci_config_base; + +#define pci_cfg_addr(bus, devfn, off) (((bus) << 20) | ((devfn) << 12) | (off)) + +/* PCI ops */ +static inline u32 pci_cfg_read_32bit(struct pci_bus *bus, unsigned int devfn, + int where) +{ + u32 data; + u32 *cfgaddr; + + cfgaddr = (u32 *)(pci_config_base + + pci_cfg_addr(bus->number, devfn, where & ~3)); + data = *cfgaddr; + return data; +} + +static inline void pci_cfg_write_32bit(struct pci_bus *bus, unsigned int devfn, + int where, u32 data) +{ + u32 *cfgaddr; + + cfgaddr = (u32 *)(pci_config_base + + pci_cfg_addr(bus->number, devfn, where & ~3)); + *cfgaddr = data; +} + +static int nlm_pcibios_read(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *val) +{ + u32 data; + + if ((size == 2) && (where & 1)) + return PCIBIOS_BAD_REGISTER_NUMBER; + else if ((size == 4) && (where & 3)) + return PCIBIOS_BAD_REGISTER_NUMBER; + + data = pci_cfg_read_32bit(bus, devfn, where); + + if (size == 1) + *val = (data >> ((where & 3) << 3)) & 0xff; + else if (size == 2) + *val = (data >> ((where & 3) << 3)) & 0xffff; + else + *val = data; + + return PCIBIOS_SUCCESSFUL; +} + + +static int nlm_pcibios_write(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 val) +{ + u32 data; + + if ((size == 2) && (where & 1)) + return PCIBIOS_BAD_REGISTER_NUMBER; + else if ((size == 4) && (where & 3)) + return PCIBIOS_BAD_REGISTER_NUMBER; + + data = pci_cfg_read_32bit(bus, devfn, where); + + if (size == 1) + data = (data & ~(0xff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + else if (size == 2) + data = (data & ~(0xffff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + else + data = val; + + pci_cfg_write_32bit(bus, devfn, where, data); + + return PCIBIOS_SUCCESSFUL; +} + +struct pci_ops nlm_pci_ops = { + .read = nlm_pcibios_read, + .write = nlm_pcibios_write +}; + +static struct resource nlm_pci_mem_resource = { + .name = "XLP PCI MEM", + .start = 0xd0000000UL, /* 256MB PCI mem @ 0xd000_0000 */ + .end = 0xdfffffffUL, + .flags = IORESOURCE_MEM, +}; + +static struct resource nlm_pci_io_resource = { + .name = "XLP IO MEM", + .start = 0x14000000UL, /* 64MB PCI IO @ 0x1000_0000 */ + .end = 0x17ffffffUL, + .flags = IORESOURCE_IO, +}; + +struct pci_controller nlm_pci_controller = { + .index = 0, + .pci_ops = &nlm_pci_ops, + .mem_resource = &nlm_pci_mem_resource, + .mem_offset = 0x00000000UL, + .io_resource = &nlm_pci_io_resource, + .io_offset = 0x00000000UL, +}; + +static int get_irq_vector(const struct pci_dev *dev) +{ + /* + * For XLP PCIe, there is an IRQ per Link, find out which + * link the device is on to assign interrupts + */ + if (dev->bus->self == NULL) + return 0; + + switch (dev->bus->self->devfn) { + case 0x8: + return PIC_PCIE_LINK_0_IRQ; + case 0x9: + return PIC_PCIE_LINK_1_IRQ; + case 0xa: + return PIC_PCIE_LINK_2_IRQ; + case 0xb: + return PIC_PCIE_LINK_3_IRQ; + } + WARN(1, "Unexpected devfn %d\n", dev->bus->self->devfn); + return 0; +} + +int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + return get_irq_vector(dev); +} + +/* Do platform specific device initialization at pci_enable_device() time */ +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + return 0; +} + +static int xlp_enable_pci_bswap(void) +{ + uint64_t pciebase, sysbase; + int node, i; + u32 reg; + + /* Chip-0 so node set to 0 */ + node = 0; + sysbase = nlm_get_bridge_regbase(node); + /* + * Enable byte swap in hardware. Program each link's PCIe SWAP regions + * from the link's address ranges. + */ + for (i = 0; i < 4; i++) { + pciebase = nlm_pcicfg_base(XLP_IO_PCIE_OFFSET(node, i)); + if (nlm_read_pci_reg(pciebase, 0) == 0xffffffff) + continue; + + reg = nlm_read_bridge_reg(sysbase, BRIDGE_PCIEMEM_BASE0 + i); + nlm_write_pci_reg(pciebase, PCIE_BYTE_SWAP_MEM_BASE, reg); + + reg = nlm_read_bridge_reg(sysbase, BRIDGE_PCIEMEM_LIMIT0 + i); + nlm_write_pci_reg(pciebase, PCIE_BYTE_SWAP_MEM_LIM, + reg | 0xfff); + + reg = nlm_read_bridge_reg(sysbase, BRIDGE_PCIEIO_BASE0 + i); + nlm_write_pci_reg(pciebase, PCIE_BYTE_SWAP_IO_BASE, reg); + + reg = nlm_read_bridge_reg(sysbase, BRIDGE_PCIEIO_LIMIT0 + i); + nlm_write_pci_reg(pciebase, PCIE_BYTE_SWAP_IO_LIM, reg | 0xfff); + } + return 0; +} + +static int __init pcibios_init(void) +{ + /* Firmware assigns PCI resources */ + pci_set_flags(PCI_PROBE_ONLY); + pci_config_base = ioremap(XLP_DEFAULT_PCI_ECFG_BASE, 64 << 20); + + /* Extend IO port for memory mapped io */ + ioport_resource.start = 0; + ioport_resource.end = ~0; + + xlp_enable_pci_bswap(); + set_io_port_base(CKSEG1); + nlm_pci_controller.io_map_base = CKSEG1; + + register_pci_controller(&nlm_pci_controller); + pr_info("XLP PCIe Controller %pR%pR.\n", &nlm_pci_io_resource, + &nlm_pci_mem_resource); + + return 0; +} +arch_initcall(pcibios_init); diff --git a/arch/mips/pci/pci-xlr.c b/arch/mips/pci/pci-xlr.c index 172af1c..18af021 100644 --- a/arch/mips/pci/pci-xlr.c +++ b/arch/mips/pci/pci-xlr.c @@ -375,7 +375,3 @@ static int __init pcibios_init(void) } arch_initcall(pcibios_init); - -struct pci_fixup pcibios_fixups[] = { - {0} -}; diff --git a/arch/mips/pnx833x/stb22x/board.c b/arch/mips/pnx833x/stb22x/board.c index 644eb7c..4b328ac 100644 --- a/arch/mips/pnx833x/stb22x/board.c +++ b/arch/mips/pnx833x/stb22x/board.c @@ -91,7 +91,7 @@ void __init pnx833x_board_setup(void) pnx833x_gpio_select_function_alt(32); pnx833x_gpio_select_function_alt(33); -#if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE) +#if IS_ENABLED(CONFIG_MTD_NAND_PLATFORM) /* Setup MIU for NAND access on CS0... * * (it seems that we must also configure CS1 for reliable operation, @@ -117,7 +117,7 @@ void __init pnx833x_board_setup(void) pnx833x_gpio_select_output(5); pnx833x_gpio_write(1, 5); -#elif defined(CONFIG_MTD_CFI) || defined(CONFIG_MTD_CFI_MODULE) +#elif IS_ENABLED(CONFIG_MTD_CFI) /* Set up MIU for 16-bit NOR access on CS0 and CS1... */ diff --git a/arch/mips/txx9/generic/pci.c b/arch/mips/txx9/generic/pci.c index 125db32..4efd918 100644 --- a/arch/mips/txx9/generic/pci.c +++ b/arch/mips/txx9/generic/pci.c @@ -304,7 +304,7 @@ static void __devinit quirk_slc90e66_bridge(struct pci_dev *dev) smsc_fdc37m81x_config_end(); } -static void quirk_slc90e66_ide(struct pci_dev *dev) +static void __devinit quirk_slc90e66_ide(struct pci_dev *dev) { unsigned char dat; int regs[2] = {0x41, 0x43}; @@ -339,7 +339,7 @@ static void quirk_slc90e66_ide(struct pci_dev *dev) } #endif /* CONFIG_TOSHIBA_FPCIB0 */ -static void tc35815_fixup(struct pci_dev *dev) +static void __devinit tc35815_fixup(struct pci_dev *dev) { /* This device may have PM registers but not they are not suported. */ if (dev->pm_cap) { @@ -348,7 +348,7 @@ static void tc35815_fixup(struct pci_dev *dev) } } -static void final_fixup(struct pci_dev *dev) +static void __devinit final_fixup(struct pci_dev *dev) { unsigned char bist; diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index ae77a79..560fe899 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -632,7 +632,7 @@ void __init txx9_physmap_flash_init(int no, unsigned long addr, unsigned long size, const struct physmap_flash_data *pdata) { -#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) +#if IS_ENABLED(CONFIG_MTD_PHYSMAP) struct resource res = { .start = addr, .end = addr + size - 1, @@ -670,8 +670,7 @@ void __init txx9_physmap_flash_init(int no, unsigned long addr, void __init txx9_ndfmc_init(unsigned long baseaddr, const struct txx9ndfmc_platform_data *pdata) { -#if defined(CONFIG_MTD_NAND_TXX9NDFMC) || \ - defined(CONFIG_MTD_NAND_TXX9NDFMC_MODULE) +#if IS_ENABLED(CONFIG_MTD_NAND_TXX9NDFMC) struct resource res = { .start = baseaddr, .end = baseaddr + 0x1000 - 1, @@ -687,7 +686,7 @@ void __init txx9_ndfmc_init(unsigned long baseaddr, #endif } -#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +#if IS_ENABLED(CONFIG_LEDS_GPIO) static DEFINE_SPINLOCK(txx9_iocled_lock); #define TXX9_IOCLED_MAXLEDS 8 @@ -810,7 +809,7 @@ void __init txx9_iocled_init(unsigned long baseaddr, void __init txx9_dmac_init(int id, unsigned long baseaddr, int irq, const struct txx9dmac_platform_data *pdata) { -#if defined(CONFIG_TXX9_DMAC) || defined(CONFIG_TXX9_DMAC_MODULE) +#if IS_ENABLED(CONFIG_TXX9_DMAC) struct resource res[] = { { .start = baseaddr, @@ -866,8 +865,7 @@ void __init txx9_aclc_init(unsigned long baseaddr, int irq, unsigned int dma_chan_out, unsigned int dma_chan_in) { -#if defined(CONFIG_SND_SOC_TXX9ACLC) || \ - defined(CONFIG_SND_SOC_TXX9ACLC_MODULE) +#if IS_ENABLED(CONFIG_SND_SOC_TXX9ACLC) unsigned int dma_base = dmac_id * TXX9_DMA_MAX_NR_CHANNELS; struct resource res[] = { { diff --git a/arch/mips/txx9/generic/setup_tx4939.c b/arch/mips/txx9/generic/setup_tx4939.c index 6567895..5ff7a95 100644 --- a/arch/mips/txx9/generic/setup_tx4939.c +++ b/arch/mips/txx9/generic/setup_tx4939.c @@ -317,7 +317,7 @@ void __init tx4939_sio_init(unsigned int sclk, unsigned int cts_mask) } } -#if defined(CONFIG_TC35815) || defined(CONFIG_TC35815_MODULE) +#if IS_ENABLED(CONFIG_TC35815) static u32 tx4939_get_eth_speed(struct net_device *dev) { struct ethtool_cmd cmd; diff --git a/arch/mips/txx9/rbtx4939/setup.c b/arch/mips/txx9/rbtx4939/setup.c index 2ad8973..e15641d 100644 --- a/arch/mips/txx9/rbtx4939/setup.c +++ b/arch/mips/txx9/rbtx4939/setup.c @@ -40,8 +40,7 @@ static void __init rbtx4939_time_init(void) tx4939_time_init(0); } -#if defined(__BIG_ENDIAN) && \ - (defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)) +#if defined(__BIG_ENDIAN) && IS_ENABLED(CONFIG_SMC91X) #define HAVE_RBTX4939_IOSWAB #define IS_CE1_ADDR(addr) \ ((((unsigned long)(addr) - IO_BASE) & 0xfff00000) == TXX9_CE(1)) @@ -187,7 +186,7 @@ static void __init rbtx4939_update_ioc_pen(void) #define RBTX4939_MAX_7SEGLEDS 8 -#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE) +#if IS_ENABLED(CONFIG_LEDS_CLASS) static u8 led_val[RBTX4939_MAX_7SEGLEDS]; struct rbtx4939_led_data { struct led_classdev cdev; @@ -263,7 +262,7 @@ static inline void rbtx4939_led_setup(void) static void __rbtx4939_7segled_putc(unsigned int pos, unsigned char val) { -#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE) +#if IS_ENABLED(CONFIG_LEDS_CLASS) unsigned long flags; local_irq_save(flags); /* bit7: reserved for LED class */ @@ -287,7 +286,7 @@ static void rbtx4939_7segled_putc(unsigned int pos, unsigned char val) __rbtx4939_7segled_putc(pos, val); } -#if defined(CONFIG_MTD_RBTX4939) || defined(CONFIG_MTD_RBTX4939_MODULE) +#if IS_ENABLED(CONFIG_MTD_RBTX4939) /* special mapping for boot rom */ static unsigned long rbtx4939_flash_fixup_ofs(unsigned long ofs) { @@ -463,7 +462,7 @@ static void __init rbtx4939_device_init(void) .flags = SMC91X_USE_16BIT, }; struct platform_device *pdev; -#if defined(CONFIG_TC35815) || defined(CONFIG_TC35815_MODULE) +#if IS_ENABLED(CONFIG_TC35815) int i, j; unsigned char ethaddr[2][6]; u8 bdipsw = readb(rbtx4939_bdipsw_addr) & 0x0f; diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index b01d673..7c0d3919 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -73,6 +73,20 @@ config HW_RANDOM_ATMEL If unsure, say Y. +config HW_RANDOM_BCM63XX + tristate "Broadcom BCM63xx Random Number Generator support" + depends on HW_RANDOM && BCM63XX + default HW_RANDOM + ---help--- + This driver provides kernel-side support for the Random Number + Generator hardware found on the Broadcom BCM63xx SoCs. + + To compile this driver as a module, choose M here: the + module will be called bcm63xx-rng + + If unusure, say Y. + + config HW_RANDOM_GEODE tristate "AMD Geode HW Random Number Generator support" depends on HW_RANDOM && X86_32 && PCI diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile index 8d6d173..39a757c 100644 --- a/drivers/char/hw_random/Makefile +++ b/drivers/char/hw_random/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_HW_RANDOM_TIMERIOMEM) += timeriomem-rng.o obj-$(CONFIG_HW_RANDOM_INTEL) += intel-rng.o obj-$(CONFIG_HW_RANDOM_AMD) += amd-rng.o obj-$(CONFIG_HW_RANDOM_ATMEL) += atmel-rng.o +obj-$(CONFIG_HW_RANDOM_BCM63XX) += bcm63xx-rng.o obj-$(CONFIG_HW_RANDOM_GEODE) += geode-rng.o obj-$(CONFIG_HW_RANDOM_N2RNG) += n2-rng.o n2-rng-y := n2-drv.o n2-asm.o diff --git a/drivers/char/hw_random/bcm63xx-rng.c b/drivers/char/hw_random/bcm63xx-rng.c new file mode 100644 index 0000000..aec6a42 --- /dev/null +++ b/drivers/char/hw_random/bcm63xx-rng.c @@ -0,0 +1,175 @@ +/* + * Broadcom BCM63xx Random Number Generator support + * + * Copyright (C) 2011, Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2009, Broadcom Corporation + * + */ +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/io.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <linux/hw_random.h> + +#include <bcm63xx_io.h> +#include <bcm63xx_regs.h> + +struct bcm63xx_rng_priv { + struct clk *clk; + void __iomem *regs; +}; + +#define to_rng_priv(rng) ((struct bcm63xx_rng_priv *)rng->priv) + +static int bcm63xx_rng_init(struct hwrng *rng) +{ + struct bcm63xx_rng_priv *priv = to_rng_priv(rng); + u32 val; + + val = bcm_readl(priv->regs + RNG_CTRL); + val |= RNG_EN; + bcm_writel(val, priv->regs + RNG_CTRL); + + return 0; +} + +static void bcm63xx_rng_cleanup(struct hwrng *rng) +{ + struct bcm63xx_rng_priv *priv = to_rng_priv(rng); + u32 val; + + val = bcm_readl(priv->regs + RNG_CTRL); + val &= ~RNG_EN; + bcm_writel(val, priv->regs + RNG_CTRL); +} + +static int bcm63xx_rng_data_present(struct hwrng *rng, int wait) +{ + struct bcm63xx_rng_priv *priv = to_rng_priv(rng); + + return bcm_readl(priv->regs + RNG_STAT) & RNG_AVAIL_MASK; +} + +static int bcm63xx_rng_data_read(struct hwrng *rng, u32 *data) +{ + struct bcm63xx_rng_priv *priv = to_rng_priv(rng); + + *data = bcm_readl(priv->regs + RNG_DATA); + + return 4; +} + +static int __devinit bcm63xx_rng_probe(struct platform_device *pdev) +{ + struct resource *r; + struct clk *clk; + int ret; + struct bcm63xx_rng_priv *priv; + struct hwrng *rng; + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!r) { + dev_err(&pdev->dev, "no iomem resource\n"); + ret = -ENXIO; + goto out; + } + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) { + dev_err(&pdev->dev, "no memory for private structure\n"); + ret = -ENOMEM; + goto out; + } + + rng = kzalloc(sizeof(*rng), GFP_KERNEL); + if (!rng) { + dev_err(&pdev->dev, "no memory for rng structure\n"); + ret = -ENOMEM; + goto out_free_priv; + } + + platform_set_drvdata(pdev, rng); + rng->priv = (unsigned long)priv; + rng->name = pdev->name; + rng->init = bcm63xx_rng_init; + rng->cleanup = bcm63xx_rng_cleanup; + rng->data_present = bcm63xx_rng_data_present; + rng->data_read = bcm63xx_rng_data_read; + + clk = clk_get(&pdev->dev, "ipsec"); + if (IS_ERR(clk)) { + dev_err(&pdev->dev, "no clock for device\n"); + ret = PTR_ERR(clk); + goto out_free_rng; + } + + priv->clk = clk; + + if (!devm_request_mem_region(&pdev->dev, r->start, + resource_size(r), pdev->name)) { + dev_err(&pdev->dev, "request mem failed"); + ret = -ENOMEM; + goto out_free_rng; + } + + priv->regs = devm_ioremap_nocache(&pdev->dev, r->start, + resource_size(r)); + if (!priv->regs) { + dev_err(&pdev->dev, "ioremap failed"); + ret = -ENOMEM; + goto out_free_rng; + } + + clk_enable(clk); + + ret = hwrng_register(rng); + if (ret) { + dev_err(&pdev->dev, "failed to register rng device\n"); + goto out_clk_disable; + } + + dev_info(&pdev->dev, "registered RNG driver\n"); + + return 0; + +out_clk_disable: + clk_disable(clk); +out_free_rng: + platform_set_drvdata(pdev, NULL); + kfree(rng); +out_free_priv: + kfree(priv); +out: + return ret; +} + +static int __devexit bcm63xx_rng_remove(struct platform_device *pdev) +{ + struct hwrng *rng = platform_get_drvdata(pdev); + struct bcm63xx_rng_priv *priv = to_rng_priv(rng); + + hwrng_unregister(rng); + clk_disable(priv->clk); + kfree(priv); + kfree(rng); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static struct platform_driver bcm63xx_rng_driver = { + .probe = bcm63xx_rng_probe, + .remove = __devexit_p(bcm63xx_rng_remove), + .driver = { + .name = "bcm63xx-rng", + .owner = THIS_MODULE, + }, +}; + +module_platform_driver(bcm63xx_rng_driver); + +MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); +MODULE_DESCRIPTION("Broadcom BCM63xx RNG driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/i2c/busses/i2c-octeon.c b/drivers/i2c/busses/i2c-octeon.c index ee139a5..f44c835 100644 --- a/drivers/i2c/busses/i2c-octeon.c +++ b/drivers/i2c/busses/i2c-octeon.c @@ -2,7 +2,7 @@ * (C) Copyright 2009-2010 * Nokia Siemens Networks, michael.lawnick.ext@nsn.com * - * Portions Copyright (C) 2010 Cavium Networks, Inc. + * Portions Copyright (C) 2010, 2011 Cavium Networks, Inc. * * This is a driver for the i2c adapter in Cavium Networks' OCTEON processors. * @@ -11,17 +11,18 @@ * warranty of any kind, whether express or implied. */ +#include <linux/platform_device.h> +#include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of_i2c.h> +#include <linux/delay.h> #include <linux/sched.h> #include <linux/slab.h> #include <linux/init.h> - -#include <linux/io.h> #include <linux/i2c.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/of.h> #include <asm/octeon/octeon.h> @@ -65,7 +66,7 @@ struct octeon_i2c { wait_queue_head_t queue; struct i2c_adapter adap; int irq; - int twsi_freq; + u32 twsi_freq; int sys_freq; resource_size_t twsi_phys; void __iomem *twsi_base; @@ -121,10 +122,8 @@ static u8 octeon_i2c_read_sw(struct octeon_i2c *i2c, u64 eop_reg) */ static void octeon_i2c_write_int(struct octeon_i2c *i2c, u64 data) { - u64 tmp; - __raw_writeq(data, i2c->twsi_base + TWSI_INT); - tmp = __raw_readq(i2c->twsi_base + TWSI_INT); + __raw_readq(i2c->twsi_base + TWSI_INT); } /** @@ -515,7 +514,6 @@ static int __devinit octeon_i2c_probe(struct platform_device *pdev) { int irq, result = 0; struct octeon_i2c *i2c; - struct octeon_i2c_data *i2c_data; struct resource *res_mem; /* All adaptors have an irq. */ @@ -523,86 +521,90 @@ static int __devinit octeon_i2c_probe(struct platform_device *pdev) if (irq < 0) return irq; - i2c = kzalloc(sizeof(*i2c), GFP_KERNEL); + i2c = devm_kzalloc(&pdev->dev, sizeof(*i2c), GFP_KERNEL); if (!i2c) { dev_err(&pdev->dev, "kzalloc failed\n"); result = -ENOMEM; goto out; } i2c->dev = &pdev->dev; - i2c_data = pdev->dev.platform_data; res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res_mem == NULL) { dev_err(i2c->dev, "found no memory resource\n"); result = -ENXIO; - goto fail_region; + goto out; } + i2c->twsi_phys = res_mem->start; + i2c->regsize = resource_size(res_mem); - if (i2c_data == NULL) { - dev_err(i2c->dev, "no I2C frequency data\n"); + /* + * "clock-rate" is a legacy binding, the official binding is + * "clock-frequency". Try the official one first and then + * fall back if it doesn't exist. + */ + if (of_property_read_u32(pdev->dev.of_node, + "clock-frequency", &i2c->twsi_freq) && + of_property_read_u32(pdev->dev.of_node, + "clock-rate", &i2c->twsi_freq)) { + dev_err(i2c->dev, + "no I2C 'clock-rate' or 'clock-frequency' property\n"); result = -ENXIO; - goto fail_region; + goto out; } - i2c->twsi_phys = res_mem->start; - i2c->regsize = resource_size(res_mem); - i2c->twsi_freq = i2c_data->i2c_freq; - i2c->sys_freq = i2c_data->sys_freq; + i2c->sys_freq = octeon_get_io_clock_rate(); - if (!request_mem_region(i2c->twsi_phys, i2c->regsize, res_mem->name)) { + if (!devm_request_mem_region(&pdev->dev, i2c->twsi_phys, i2c->regsize, + res_mem->name)) { dev_err(i2c->dev, "request_mem_region failed\n"); - goto fail_region; + goto out; } - i2c->twsi_base = ioremap(i2c->twsi_phys, i2c->regsize); + i2c->twsi_base = devm_ioremap(&pdev->dev, i2c->twsi_phys, i2c->regsize); init_waitqueue_head(&i2c->queue); i2c->irq = irq; - result = request_irq(i2c->irq, octeon_i2c_isr, 0, DRV_NAME, i2c); + result = devm_request_irq(&pdev->dev, i2c->irq, + octeon_i2c_isr, 0, DRV_NAME, i2c); if (result < 0) { dev_err(i2c->dev, "failed to attach interrupt\n"); - goto fail_irq; + goto out; } result = octeon_i2c_initlowlevel(i2c); if (result) { dev_err(i2c->dev, "init low level failed\n"); - goto fail_add; + goto out; } result = octeon_i2c_setclock(i2c); if (result) { dev_err(i2c->dev, "clock init failed\n"); - goto fail_add; + goto out; } i2c->adap = octeon_i2c_ops; i2c->adap.dev.parent = &pdev->dev; - i2c->adap.nr = pdev->id >= 0 ? pdev->id : 0; + i2c->adap.dev.of_node = pdev->dev.of_node; i2c_set_adapdata(&i2c->adap, i2c); platform_set_drvdata(pdev, i2c); - result = i2c_add_numbered_adapter(&i2c->adap); + result = i2c_add_adapter(&i2c->adap); if (result < 0) { dev_err(i2c->dev, "failed to add adapter\n"); goto fail_add; } - dev_info(i2c->dev, "version %s\n", DRV_VERSION); - return result; + of_i2c_register_devices(&i2c->adap); + + return 0; fail_add: platform_set_drvdata(pdev, NULL); - free_irq(i2c->irq, i2c); -fail_irq: - iounmap(i2c->twsi_base); - release_mem_region(i2c->twsi_phys, i2c->regsize); -fail_region: - kfree(i2c); out: return result; }; @@ -613,19 +615,24 @@ static int __devexit octeon_i2c_remove(struct platform_device *pdev) i2c_del_adapter(&i2c->adap); platform_set_drvdata(pdev, NULL); - free_irq(i2c->irq, i2c); - iounmap(i2c->twsi_base); - release_mem_region(i2c->twsi_phys, i2c->regsize); - kfree(i2c); return 0; }; +static struct of_device_id octeon_i2c_match[] = { + { + .compatible = "cavium,octeon-3860-twsi", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, octeon_i2c_match); + static struct platform_driver octeon_i2c_driver = { .probe = octeon_i2c_probe, .remove = __devexit_p(octeon_i2c_remove), .driver = { .owner = THIS_MODULE, .name = DRV_NAME, + .of_match_table = octeon_i2c_match, }, }; @@ -635,4 +642,3 @@ MODULE_AUTHOR("Michael Lawnick <michael.lawnick.ext@nsn.com>"); MODULE_DESCRIPTION("I2C-Bus adapter for Cavium OCTEON processors"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); -MODULE_ALIAS("platform:" DRV_NAME); diff --git a/drivers/mtd/nand/jz4740_nand.c b/drivers/mtd/nand/jz4740_nand.c index a6fa884..100b677 100644 --- a/drivers/mtd/nand/jz4740_nand.c +++ b/drivers/mtd/nand/jz4740_nand.c @@ -52,9 +52,10 @@ #define JZ_NAND_CTRL_ENABLE_CHIP(x) BIT((x) << 1) #define JZ_NAND_CTRL_ASSERT_CHIP(x) BIT(((x) << 1) + 1) +#define JZ_NAND_CTRL_ASSERT_CHIP_MASK 0xaa -#define JZ_NAND_MEM_ADDR_OFFSET 0x10000 #define JZ_NAND_MEM_CMD_OFFSET 0x08000 +#define JZ_NAND_MEM_ADDR_OFFSET 0x10000 struct jz_nand { struct mtd_info mtd; @@ -62,8 +63,11 @@ struct jz_nand { void __iomem *base; struct resource *mem; - void __iomem *bank_base; - struct resource *bank_mem; + unsigned char banks[JZ_NAND_NUM_BANKS]; + void __iomem *bank_base[JZ_NAND_NUM_BANKS]; + struct resource *bank_mem[JZ_NAND_NUM_BANKS]; + + int selected_bank; struct jz_nand_platform_data *pdata; bool is_reading; @@ -74,26 +78,50 @@ static inline struct jz_nand *mtd_to_jz_nand(struct mtd_info *mtd) return container_of(mtd, struct jz_nand, mtd); } +static void jz_nand_select_chip(struct mtd_info *mtd, int chipnr) +{ + struct jz_nand *nand = mtd_to_jz_nand(mtd); + struct nand_chip *chip = mtd->priv; + uint32_t ctrl; + int banknr; + + ctrl = readl(nand->base + JZ_REG_NAND_CTRL); + ctrl &= ~JZ_NAND_CTRL_ASSERT_CHIP_MASK; + + if (chipnr == -1) { + banknr = -1; + } else { + banknr = nand->banks[chipnr] - 1; + chip->IO_ADDR_R = nand->bank_base[banknr]; + chip->IO_ADDR_W = nand->bank_base[banknr]; + } + writel(ctrl, nand->base + JZ_REG_NAND_CTRL); + + nand->selected_bank = banknr; +} + static void jz_nand_cmd_ctrl(struct mtd_info *mtd, int dat, unsigned int ctrl) { struct jz_nand *nand = mtd_to_jz_nand(mtd); struct nand_chip *chip = mtd->priv; uint32_t reg; + void __iomem *bank_base = nand->bank_base[nand->selected_bank]; + + BUG_ON(nand->selected_bank < 0); if (ctrl & NAND_CTRL_CHANGE) { BUG_ON((ctrl & NAND_ALE) && (ctrl & NAND_CLE)); if (ctrl & NAND_ALE) - chip->IO_ADDR_W = nand->bank_base + JZ_NAND_MEM_ADDR_OFFSET; + bank_base += JZ_NAND_MEM_ADDR_OFFSET; else if (ctrl & NAND_CLE) - chip->IO_ADDR_W = nand->bank_base + JZ_NAND_MEM_CMD_OFFSET; - else - chip->IO_ADDR_W = nand->bank_base; + bank_base += JZ_NAND_MEM_CMD_OFFSET; + chip->IO_ADDR_W = bank_base; reg = readl(nand->base + JZ_REG_NAND_CTRL); if (ctrl & NAND_NCE) - reg |= JZ_NAND_CTRL_ASSERT_CHIP(0); + reg |= JZ_NAND_CTRL_ASSERT_CHIP(nand->selected_bank); else - reg &= ~JZ_NAND_CTRL_ASSERT_CHIP(0); + reg &= ~JZ_NAND_CTRL_ASSERT_CHIP(nand->selected_bank); writel(reg, nand->base + JZ_REG_NAND_CTRL); } if (dat != NAND_CMD_NONE) @@ -252,7 +280,7 @@ static int jz_nand_correct_ecc_rs(struct mtd_info *mtd, uint8_t *dat, } static int jz_nand_ioremap_resource(struct platform_device *pdev, - const char *name, struct resource **res, void __iomem **base) + const char *name, struct resource **res, void *__iomem *base) { int ret; @@ -288,6 +316,90 @@ err: return ret; } +static inline void jz_nand_iounmap_resource(struct resource *res, void __iomem *base) +{ + iounmap(base); + release_mem_region(res->start, resource_size(res)); +} + +static int __devinit jz_nand_detect_bank(struct platform_device *pdev, struct jz_nand *nand, unsigned char bank, size_t chipnr, uint8_t *nand_maf_id, uint8_t *nand_dev_id) { + int ret; + int gpio; + char gpio_name[9]; + char res_name[6]; + uint32_t ctrl; + struct mtd_info *mtd = &nand->mtd; + struct nand_chip *chip = &nand->chip; + + /* Request GPIO port. */ + gpio = JZ_GPIO_MEM_CS0 + bank - 1; + sprintf(gpio_name, "NAND CS%d", bank); + ret = gpio_request(gpio, gpio_name); + if (ret) { + dev_warn(&pdev->dev, + "Failed to request %s gpio %d: %d\n", + gpio_name, gpio, ret); + goto notfound_gpio; + } + + /* Request I/O resource. */ + sprintf(res_name, "bank%d", bank); + ret = jz_nand_ioremap_resource(pdev, res_name, + &nand->bank_mem[bank - 1], + &nand->bank_base[bank - 1]); + if (ret) + goto notfound_resource; + + /* Enable chip in bank. */ + jz_gpio_set_function(gpio, JZ_GPIO_FUNC_MEM_CS0); + ctrl = readl(nand->base + JZ_REG_NAND_CTRL); + ctrl |= JZ_NAND_CTRL_ENABLE_CHIP(bank - 1); + writel(ctrl, nand->base + JZ_REG_NAND_CTRL); + + if (chipnr == 0) { + /* Detect first chip. */ + ret = nand_scan_ident(mtd, 1, NULL); + if (ret) + goto notfound_id; + + /* Retrieve the IDs from the first chip. */ + chip->select_chip(mtd, 0); + chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); + chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1); + *nand_maf_id = chip->read_byte(mtd); + *nand_dev_id = chip->read_byte(mtd); + } else { + /* Detect additional chip. */ + chip->select_chip(mtd, chipnr); + chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); + chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1); + if (*nand_maf_id != chip->read_byte(mtd) + || *nand_dev_id != chip->read_byte(mtd)) { + ret = -ENODEV; + goto notfound_id; + } + + /* Update size of the MTD. */ + chip->numchips++; + mtd->size += chip->chipsize; + } + + dev_info(&pdev->dev, "Found chip %i on bank %i\n", chipnr, bank); + return 0; + +notfound_id: + dev_info(&pdev->dev, "No chip found on bank %i\n", bank); + ctrl &= ~(JZ_NAND_CTRL_ENABLE_CHIP(bank - 1)); + writel(ctrl, nand->base + JZ_REG_NAND_CTRL); + jz_gpio_set_function(gpio, JZ_GPIO_FUNC_NONE); + jz_nand_iounmap_resource(nand->bank_mem[bank - 1], + nand->bank_base[bank - 1]); +notfound_resource: + gpio_free(gpio); +notfound_gpio: + return ret; +} + static int __devinit jz_nand_probe(struct platform_device *pdev) { int ret; @@ -295,6 +407,8 @@ static int __devinit jz_nand_probe(struct platform_device *pdev) struct nand_chip *chip; struct mtd_info *mtd; struct jz_nand_platform_data *pdata = pdev->dev.platform_data; + size_t chipnr, bank_idx; + uint8_t nand_maf_id = 0, nand_dev_id = 0; nand = kzalloc(sizeof(*nand), GFP_KERNEL); if (!nand) { @@ -305,10 +419,6 @@ static int __devinit jz_nand_probe(struct platform_device *pdev) ret = jz_nand_ioremap_resource(pdev, "mmio", &nand->mem, &nand->base); if (ret) goto err_free; - ret = jz_nand_ioremap_resource(pdev, "bank", &nand->bank_mem, - &nand->bank_base); - if (ret) - goto err_iounmap_mmio; if (pdata && gpio_is_valid(pdata->busy_gpio)) { ret = gpio_request(pdata->busy_gpio, "NAND busy pin"); @@ -316,7 +426,7 @@ static int __devinit jz_nand_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Failed to request busy gpio %d: %d\n", pdata->busy_gpio, ret); - goto err_iounmap_mem; + goto err_iounmap_mmio; } } @@ -339,22 +449,51 @@ static int __devinit jz_nand_probe(struct platform_device *pdev) chip->chip_delay = 50; chip->cmd_ctrl = jz_nand_cmd_ctrl; + chip->select_chip = jz_nand_select_chip; if (pdata && gpio_is_valid(pdata->busy_gpio)) chip->dev_ready = jz_nand_dev_ready; - chip->IO_ADDR_R = nand->bank_base; - chip->IO_ADDR_W = nand->bank_base; - nand->pdata = pdata; platform_set_drvdata(pdev, nand); - writel(JZ_NAND_CTRL_ENABLE_CHIP(0), nand->base + JZ_REG_NAND_CTRL); - - ret = nand_scan_ident(mtd, 1, NULL); - if (ret) { - dev_err(&pdev->dev, "Failed to scan nand\n"); - goto err_gpio_free; + /* We are going to autodetect NAND chips in the banks specified in the + * platform data. Although nand_scan_ident() can detect multiple chips, + * it requires those chips to be numbered consecuitively, which is not + * always the case for external memory banks. And a fixed chip-to-bank + * mapping is not practical either, since for example Dingoo units + * produced at different times have NAND chips in different banks. + */ + chipnr = 0; + for (bank_idx = 0; bank_idx < JZ_NAND_NUM_BANKS; bank_idx++) { + unsigned char bank; + + /* If there is no platform data, look for NAND in bank 1, + * which is the most likely bank since it is the only one + * that can be booted from. + */ + bank = pdata ? pdata->banks[bank_idx] : bank_idx ^ 1; + if (bank == 0) + break; + if (bank > JZ_NAND_NUM_BANKS) { + dev_warn(&pdev->dev, + "Skipping non-existing bank: %d\n", bank); + continue; + } + /* The detection routine will directly or indirectly call + * jz_nand_select_chip(), so nand->banks has to contain the + * bank we're checking. + */ + nand->banks[chipnr] = bank; + if (jz_nand_detect_bank(pdev, nand, bank, chipnr, + &nand_maf_id, &nand_dev_id) == 0) + chipnr++; + else + nand->banks[chipnr] = 0; + } + if (chipnr == 0) { + dev_err(&pdev->dev, "No NAND chips found\n"); + goto err_gpio_busy; } if (pdata && pdata->ident_callback) { @@ -364,8 +503,8 @@ static int __devinit jz_nand_probe(struct platform_device *pdev) ret = nand_scan_tail(mtd); if (ret) { - dev_err(&pdev->dev, "Failed to scan nand\n"); - goto err_gpio_free; + dev_err(&pdev->dev, "Failed to scan NAND\n"); + goto err_unclaim_banks; } ret = mtd_device_parse_register(mtd, NULL, NULL, @@ -382,14 +521,21 @@ static int __devinit jz_nand_probe(struct platform_device *pdev) return 0; err_nand_release: - nand_release(&nand->mtd); -err_gpio_free: + nand_release(mtd); +err_unclaim_banks: + while (chipnr--) { + unsigned char bank = nand->banks[chipnr]; + gpio_free(JZ_GPIO_MEM_CS0 + bank - 1); + jz_nand_iounmap_resource(nand->bank_mem[bank - 1], + nand->bank_base[bank - 1]); + } + writel(0, nand->base + JZ_REG_NAND_CTRL); +err_gpio_busy: + if (pdata && gpio_is_valid(pdata->busy_gpio)) + gpio_free(pdata->busy_gpio); platform_set_drvdata(pdev, NULL); - gpio_free(pdata->busy_gpio); -err_iounmap_mem: - iounmap(nand->bank_base); err_iounmap_mmio: - iounmap(nand->base); + jz_nand_iounmap_resource(nand->mem, nand->base); err_free: kfree(nand); return ret; @@ -398,16 +544,26 @@ err_free: static int __devexit jz_nand_remove(struct platform_device *pdev) { struct jz_nand *nand = platform_get_drvdata(pdev); + struct jz_nand_platform_data *pdata = pdev->dev.platform_data; + size_t i; nand_release(&nand->mtd); /* Deassert and disable all chips */ writel(0, nand->base + JZ_REG_NAND_CTRL); - iounmap(nand->bank_base); - release_mem_region(nand->bank_mem->start, resource_size(nand->bank_mem)); - iounmap(nand->base); - release_mem_region(nand->mem->start, resource_size(nand->mem)); + for (i = 0; i < JZ_NAND_NUM_BANKS; ++i) { + unsigned char bank = nand->banks[i]; + if (bank != 0) { + jz_nand_iounmap_resource(nand->bank_mem[bank - 1], + nand->bank_base[bank - 1]); + gpio_free(JZ_GPIO_MEM_CS0 + bank - 1); + } + } + if (pdata && gpio_is_valid(pdata->busy_gpio)) + gpio_free(pdata->busy_gpio); + + jz_nand_iounmap_resource(nand->mem, nand->base); platform_set_drvdata(pdev, NULL); kfree(nand); diff --git a/drivers/net/ethernet/octeon/octeon_mgmt.c b/drivers/net/ethernet/octeon/octeon_mgmt.c index cd827ff..c42bbb1 100644 --- a/drivers/net/ethernet/octeon/octeon_mgmt.c +++ b/drivers/net/ethernet/octeon/octeon_mgmt.c @@ -6,19 +6,21 @@ * Copyright (C) 2009 Cavium Networks */ -#include <linux/capability.h> +#include <linux/platform_device.h> #include <linux/dma-mapping.h> -#include <linux/init.h> -#include <linux/module.h> +#include <linux/etherdevice.h> +#include <linux/capability.h> #include <linux/interrupt.h> -#include <linux/platform_device.h> #include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/if.h> +#include <linux/spinlock.h> #include <linux/if_vlan.h> +#include <linux/of_mdio.h> +#include <linux/module.h> +#include <linux/of_net.h> +#include <linux/init.h> #include <linux/slab.h> #include <linux/phy.h> -#include <linux/spinlock.h> +#include <linux/io.h> #include <asm/octeon/octeon.h> #include <asm/octeon/cvmx-mixx-defs.h> @@ -58,8 +60,56 @@ union mgmt_port_ring_entry { } s; }; +#define MIX_ORING1 0x0 +#define MIX_ORING2 0x8 +#define MIX_IRING1 0x10 +#define MIX_IRING2 0x18 +#define MIX_CTL 0x20 +#define MIX_IRHWM 0x28 +#define MIX_IRCNT 0x30 +#define MIX_ORHWM 0x38 +#define MIX_ORCNT 0x40 +#define MIX_ISR 0x48 +#define MIX_INTENA 0x50 +#define MIX_REMCNT 0x58 +#define MIX_BIST 0x78 + +#define AGL_GMX_PRT_CFG 0x10 +#define AGL_GMX_RX_FRM_CTL 0x18 +#define AGL_GMX_RX_FRM_MAX 0x30 +#define AGL_GMX_RX_JABBER 0x38 +#define AGL_GMX_RX_STATS_CTL 0x50 + +#define AGL_GMX_RX_STATS_PKTS_DRP 0xb0 +#define AGL_GMX_RX_STATS_OCTS_DRP 0xb8 +#define AGL_GMX_RX_STATS_PKTS_BAD 0xc0 + +#define AGL_GMX_RX_ADR_CTL 0x100 +#define AGL_GMX_RX_ADR_CAM_EN 0x108 +#define AGL_GMX_RX_ADR_CAM0 0x180 +#define AGL_GMX_RX_ADR_CAM1 0x188 +#define AGL_GMX_RX_ADR_CAM2 0x190 +#define AGL_GMX_RX_ADR_CAM3 0x198 +#define AGL_GMX_RX_ADR_CAM4 0x1a0 +#define AGL_GMX_RX_ADR_CAM5 0x1a8 + +#define AGL_GMX_TX_STATS_CTL 0x268 +#define AGL_GMX_TX_CTL 0x270 +#define AGL_GMX_TX_STAT0 0x280 +#define AGL_GMX_TX_STAT1 0x288 +#define AGL_GMX_TX_STAT2 0x290 +#define AGL_GMX_TX_STAT3 0x298 +#define AGL_GMX_TX_STAT4 0x2a0 +#define AGL_GMX_TX_STAT5 0x2a8 +#define AGL_GMX_TX_STAT6 0x2b0 +#define AGL_GMX_TX_STAT7 0x2b8 +#define AGL_GMX_TX_STAT8 0x2c0 +#define AGL_GMX_TX_STAT9 0x2c8 + struct octeon_mgmt { struct net_device *netdev; + u64 mix; + u64 agl; int port; int irq; u64 *tx_ring; @@ -85,31 +135,34 @@ struct octeon_mgmt { struct napi_struct napi; struct tasklet_struct tx_clean_tasklet; struct phy_device *phydev; + struct device_node *phy_np; + resource_size_t mix_phys; + resource_size_t mix_size; + resource_size_t agl_phys; + resource_size_t agl_size; }; static void octeon_mgmt_set_rx_irq(struct octeon_mgmt *p, int enable) { - int port = p->port; union cvmx_mixx_intena mix_intena; unsigned long flags; spin_lock_irqsave(&p->lock, flags); - mix_intena.u64 = cvmx_read_csr(CVMX_MIXX_INTENA(port)); + mix_intena.u64 = cvmx_read_csr(p->mix + MIX_INTENA); mix_intena.s.ithena = enable ? 1 : 0; - cvmx_write_csr(CVMX_MIXX_INTENA(port), mix_intena.u64); + cvmx_write_csr(p->mix + MIX_INTENA, mix_intena.u64); spin_unlock_irqrestore(&p->lock, flags); } static void octeon_mgmt_set_tx_irq(struct octeon_mgmt *p, int enable) { - int port = p->port; union cvmx_mixx_intena mix_intena; unsigned long flags; spin_lock_irqsave(&p->lock, flags); - mix_intena.u64 = cvmx_read_csr(CVMX_MIXX_INTENA(port)); + mix_intena.u64 = cvmx_read_csr(p->mix + MIX_INTENA); mix_intena.s.othena = enable ? 1 : 0; - cvmx_write_csr(CVMX_MIXX_INTENA(port), mix_intena.u64); + cvmx_write_csr(p->mix + MIX_INTENA, mix_intena.u64); spin_unlock_irqrestore(&p->lock, flags); } @@ -146,7 +199,6 @@ static unsigned int ring_size_to_bytes(unsigned int ring_size) static void octeon_mgmt_rx_fill_ring(struct net_device *netdev) { struct octeon_mgmt *p = netdev_priv(netdev); - int port = p->port; while (p->rx_current_fill < ring_max_fill(OCTEON_MGMT_RX_RING_SIZE)) { unsigned int size; @@ -177,24 +229,23 @@ static void octeon_mgmt_rx_fill_ring(struct net_device *netdev) (p->rx_next_fill + 1) % OCTEON_MGMT_RX_RING_SIZE; p->rx_current_fill++; /* Ring the bell. */ - cvmx_write_csr(CVMX_MIXX_IRING2(port), 1); + cvmx_write_csr(p->mix + MIX_IRING2, 1); } } static void octeon_mgmt_clean_tx_buffers(struct octeon_mgmt *p) { - int port = p->port; union cvmx_mixx_orcnt mix_orcnt; union mgmt_port_ring_entry re; struct sk_buff *skb; int cleaned = 0; unsigned long flags; - mix_orcnt.u64 = cvmx_read_csr(CVMX_MIXX_ORCNT(port)); + mix_orcnt.u64 = cvmx_read_csr(p->mix + MIX_ORCNT); while (mix_orcnt.s.orcnt) { spin_lock_irqsave(&p->tx_list.lock, flags); - mix_orcnt.u64 = cvmx_read_csr(CVMX_MIXX_ORCNT(port)); + mix_orcnt.u64 = cvmx_read_csr(p->mix + MIX_ORCNT); if (mix_orcnt.s.orcnt == 0) { spin_unlock_irqrestore(&p->tx_list.lock, flags); @@ -214,7 +265,7 @@ static void octeon_mgmt_clean_tx_buffers(struct octeon_mgmt *p) mix_orcnt.s.orcnt = 1; /* Acknowledge to hardware that we have the buffer. */ - cvmx_write_csr(CVMX_MIXX_ORCNT(port), mix_orcnt.u64); + cvmx_write_csr(p->mix + MIX_ORCNT, mix_orcnt.u64); p->tx_current_fill--; spin_unlock_irqrestore(&p->tx_list.lock, flags); @@ -224,7 +275,7 @@ static void octeon_mgmt_clean_tx_buffers(struct octeon_mgmt *p) dev_kfree_skb_any(skb); cleaned++; - mix_orcnt.u64 = cvmx_read_csr(CVMX_MIXX_ORCNT(port)); + mix_orcnt.u64 = cvmx_read_csr(p->mix + MIX_ORCNT); } if (cleaned && netif_queue_stopped(p->netdev)) @@ -241,13 +292,12 @@ static void octeon_mgmt_clean_tx_tasklet(unsigned long arg) static void octeon_mgmt_update_rx_stats(struct net_device *netdev) { struct octeon_mgmt *p = netdev_priv(netdev); - int port = p->port; unsigned long flags; u64 drop, bad; /* These reads also clear the count registers. */ - drop = cvmx_read_csr(CVMX_AGL_GMX_RXX_STATS_PKTS_DRP(port)); - bad = cvmx_read_csr(CVMX_AGL_GMX_RXX_STATS_PKTS_BAD(port)); + drop = cvmx_read_csr(p->agl + AGL_GMX_RX_STATS_PKTS_DRP); + bad = cvmx_read_csr(p->agl + AGL_GMX_RX_STATS_PKTS_BAD); if (drop || bad) { /* Do an atomic update. */ @@ -261,15 +311,14 @@ static void octeon_mgmt_update_rx_stats(struct net_device *netdev) static void octeon_mgmt_update_tx_stats(struct net_device *netdev) { struct octeon_mgmt *p = netdev_priv(netdev); - int port = p->port; unsigned long flags; union cvmx_agl_gmx_txx_stat0 s0; union cvmx_agl_gmx_txx_stat1 s1; /* These reads also clear the count registers. */ - s0.u64 = cvmx_read_csr(CVMX_AGL_GMX_TXX_STAT0(port)); - s1.u64 = cvmx_read_csr(CVMX_AGL_GMX_TXX_STAT1(port)); + s0.u64 = cvmx_read_csr(p->agl + AGL_GMX_TX_STAT0); + s1.u64 = cvmx_read_csr(p->agl + AGL_GMX_TX_STAT1); if (s0.s.xsdef || s0.s.xscol || s1.s.scol || s1.s.mcol) { /* Do an atomic update. */ @@ -308,7 +357,6 @@ static u64 octeon_mgmt_dequeue_rx_buffer(struct octeon_mgmt *p, static int octeon_mgmt_receive_one(struct octeon_mgmt *p) { - int port = p->port; struct net_device *netdev = p->netdev; union cvmx_mixx_ircnt mix_ircnt; union mgmt_port_ring_entry re; @@ -381,18 +429,17 @@ done: /* Tell the hardware we processed a packet. */ mix_ircnt.u64 = 0; mix_ircnt.s.ircnt = 1; - cvmx_write_csr(CVMX_MIXX_IRCNT(port), mix_ircnt.u64); + cvmx_write_csr(p->mix + MIX_IRCNT, mix_ircnt.u64); return rc; } static int octeon_mgmt_receive_packets(struct octeon_mgmt *p, int budget) { - int port = p->port; unsigned int work_done = 0; union cvmx_mixx_ircnt mix_ircnt; int rc; - mix_ircnt.u64 = cvmx_read_csr(CVMX_MIXX_IRCNT(port)); + mix_ircnt.u64 = cvmx_read_csr(p->mix + MIX_IRCNT); while (work_done < budget && mix_ircnt.s.ircnt) { rc = octeon_mgmt_receive_one(p); @@ -400,7 +447,7 @@ static int octeon_mgmt_receive_packets(struct octeon_mgmt *p, int budget) work_done++; /* Check for more packets. */ - mix_ircnt.u64 = cvmx_read_csr(CVMX_MIXX_IRCNT(port)); + mix_ircnt.u64 = cvmx_read_csr(p->mix + MIX_IRCNT); } octeon_mgmt_rx_fill_ring(p->netdev); @@ -434,16 +481,16 @@ static void octeon_mgmt_reset_hw(struct octeon_mgmt *p) union cvmx_agl_gmx_bist agl_gmx_bist; mix_ctl.u64 = 0; - cvmx_write_csr(CVMX_MIXX_CTL(p->port), mix_ctl.u64); + cvmx_write_csr(p->mix + MIX_CTL, mix_ctl.u64); do { - mix_ctl.u64 = cvmx_read_csr(CVMX_MIXX_CTL(p->port)); + mix_ctl.u64 = cvmx_read_csr(p->mix + MIX_CTL); } while (mix_ctl.s.busy); mix_ctl.s.reset = 1; - cvmx_write_csr(CVMX_MIXX_CTL(p->port), mix_ctl.u64); - cvmx_read_csr(CVMX_MIXX_CTL(p->port)); + cvmx_write_csr(p->mix + MIX_CTL, mix_ctl.u64); + cvmx_read_csr(p->mix + MIX_CTL); cvmx_wait(64); - mix_bist.u64 = cvmx_read_csr(CVMX_MIXX_BIST(p->port)); + mix_bist.u64 = cvmx_read_csr(p->mix + MIX_BIST); if (mix_bist.u64) dev_warn(p->dev, "MIX failed BIST (0x%016llx)\n", (unsigned long long)mix_bist.u64); @@ -474,7 +521,6 @@ static void octeon_mgmt_cam_state_add(struct octeon_mgmt_cam_state *cs, static void octeon_mgmt_set_rx_filtering(struct net_device *netdev) { struct octeon_mgmt *p = netdev_priv(netdev); - int port = p->port; union cvmx_agl_gmx_rxx_adr_ctl adr_ctl; union cvmx_agl_gmx_prtx_cfg agl_gmx_prtx; unsigned long flags; @@ -520,29 +566,29 @@ static void octeon_mgmt_set_rx_filtering(struct net_device *netdev) spin_lock_irqsave(&p->lock, flags); /* Disable packet I/O. */ - agl_gmx_prtx.u64 = cvmx_read_csr(CVMX_AGL_GMX_PRTX_CFG(port)); + agl_gmx_prtx.u64 = cvmx_read_csr(p->agl + AGL_GMX_PRT_CFG); prev_packet_enable = agl_gmx_prtx.s.en; agl_gmx_prtx.s.en = 0; - cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), agl_gmx_prtx.u64); + cvmx_write_csr(p->agl + AGL_GMX_PRT_CFG, agl_gmx_prtx.u64); adr_ctl.u64 = 0; adr_ctl.s.cam_mode = cam_mode; adr_ctl.s.mcst = multicast_mode; adr_ctl.s.bcst = 1; /* Allow broadcast */ - cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CTL(port), adr_ctl.u64); + cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CTL, adr_ctl.u64); - cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM0(port), cam_state.cam[0]); - cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM1(port), cam_state.cam[1]); - cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM2(port), cam_state.cam[2]); - cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM3(port), cam_state.cam[3]); - cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM4(port), cam_state.cam[4]); - cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM5(port), cam_state.cam[5]); - cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM_EN(port), cam_state.cam_mask); + cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM0, cam_state.cam[0]); + cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM1, cam_state.cam[1]); + cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM2, cam_state.cam[2]); + cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM3, cam_state.cam[3]); + cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM4, cam_state.cam[4]); + cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM5, cam_state.cam[5]); + cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM_EN, cam_state.cam_mask); /* Restore packet I/O. */ agl_gmx_prtx.s.en = prev_packet_enable; - cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), agl_gmx_prtx.u64); + cvmx_write_csr(p->agl + AGL_GMX_PRT_CFG, agl_gmx_prtx.u64); spin_unlock_irqrestore(&p->lock, flags); } @@ -564,7 +610,6 @@ static int octeon_mgmt_set_mac_address(struct net_device *netdev, void *addr) static int octeon_mgmt_change_mtu(struct net_device *netdev, int new_mtu) { struct octeon_mgmt *p = netdev_priv(netdev); - int port = p->port; int size_without_fcs = new_mtu + OCTEON_MGMT_RX_HEADROOM; /* @@ -580,8 +625,8 @@ static int octeon_mgmt_change_mtu(struct net_device *netdev, int new_mtu) netdev->mtu = new_mtu; - cvmx_write_csr(CVMX_AGL_GMX_RXX_FRM_MAX(port), size_without_fcs); - cvmx_write_csr(CVMX_AGL_GMX_RXX_JABBER(port), + cvmx_write_csr(p->agl + AGL_GMX_RX_FRM_MAX, size_without_fcs); + cvmx_write_csr(p->agl + AGL_GMX_RX_JABBER, (size_without_fcs + 7) & 0xfff8); return 0; @@ -591,14 +636,13 @@ static irqreturn_t octeon_mgmt_interrupt(int cpl, void *dev_id) { struct net_device *netdev = dev_id; struct octeon_mgmt *p = netdev_priv(netdev); - int port = p->port; union cvmx_mixx_isr mixx_isr; - mixx_isr.u64 = cvmx_read_csr(CVMX_MIXX_ISR(port)); + mixx_isr.u64 = cvmx_read_csr(p->mix + MIX_ISR); /* Clear any pending interrupts */ - cvmx_write_csr(CVMX_MIXX_ISR(port), mixx_isr.u64); - cvmx_read_csr(CVMX_MIXX_ISR(port)); + cvmx_write_csr(p->mix + MIX_ISR, mixx_isr.u64); + cvmx_read_csr(p->mix + MIX_ISR); if (mixx_isr.s.irthresh) { octeon_mgmt_disable_rx_irq(p); @@ -629,7 +673,6 @@ static int octeon_mgmt_ioctl(struct net_device *netdev, static void octeon_mgmt_adjust_link(struct net_device *netdev) { struct octeon_mgmt *p = netdev_priv(netdev); - int port = p->port; union cvmx_agl_gmx_prtx_cfg prtx_cfg; unsigned long flags; int link_changed = 0; @@ -640,11 +683,9 @@ static void octeon_mgmt_adjust_link(struct net_device *netdev) link_changed = 1; if (p->last_duplex != p->phydev->duplex) { p->last_duplex = p->phydev->duplex; - prtx_cfg.u64 = - cvmx_read_csr(CVMX_AGL_GMX_PRTX_CFG(port)); + prtx_cfg.u64 = cvmx_read_csr(p->agl + AGL_GMX_PRT_CFG); prtx_cfg.s.duplex = p->phydev->duplex; - cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), - prtx_cfg.u64); + cvmx_write_csr(p->agl + AGL_GMX_PRT_CFG, prtx_cfg.u64); } } else { if (p->last_link) @@ -670,18 +711,16 @@ static void octeon_mgmt_adjust_link(struct net_device *netdev) static int octeon_mgmt_init_phy(struct net_device *netdev) { struct octeon_mgmt *p = netdev_priv(netdev); - char phy_id[MII_BUS_ID_SIZE + 3]; - if (octeon_is_simulation()) { + if (octeon_is_simulation() || p->phy_np == NULL) { /* No PHYs in the simulator. */ netif_carrier_on(netdev); return 0; } - snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, "mdio-octeon-0", p->port); - - p->phydev = phy_connect(netdev, phy_id, octeon_mgmt_adjust_link, 0, - PHY_INTERFACE_MODE_MII); + p->phydev = of_phy_connect(netdev, p->phy_np, + octeon_mgmt_adjust_link, 0, + PHY_INTERFACE_MODE_MII); if (IS_ERR(p->phydev)) { p->phydev = NULL; @@ -737,14 +776,14 @@ static int octeon_mgmt_open(struct net_device *netdev) octeon_mgmt_reset_hw(p); - mix_ctl.u64 = cvmx_read_csr(CVMX_MIXX_CTL(port)); + mix_ctl.u64 = cvmx_read_csr(p->mix + MIX_CTL); /* Bring it out of reset if needed. */ if (mix_ctl.s.reset) { mix_ctl.s.reset = 0; - cvmx_write_csr(CVMX_MIXX_CTL(port), mix_ctl.u64); + cvmx_write_csr(p->mix + MIX_CTL, mix_ctl.u64); do { - mix_ctl.u64 = cvmx_read_csr(CVMX_MIXX_CTL(port)); + mix_ctl.u64 = cvmx_read_csr(p->mix + MIX_CTL); } while (mix_ctl.s.reset); } @@ -755,17 +794,17 @@ static int octeon_mgmt_open(struct net_device *netdev) oring1.u64 = 0; oring1.s.obase = p->tx_ring_handle >> 3; oring1.s.osize = OCTEON_MGMT_TX_RING_SIZE; - cvmx_write_csr(CVMX_MIXX_ORING1(port), oring1.u64); + cvmx_write_csr(p->mix + MIX_ORING1, oring1.u64); iring1.u64 = 0; iring1.s.ibase = p->rx_ring_handle >> 3; iring1.s.isize = OCTEON_MGMT_RX_RING_SIZE; - cvmx_write_csr(CVMX_MIXX_IRING1(port), iring1.u64); + cvmx_write_csr(p->mix + MIX_IRING1, iring1.u64); /* Disable packet I/O. */ - prtx_cfg.u64 = cvmx_read_csr(CVMX_AGL_GMX_PRTX_CFG(port)); + prtx_cfg.u64 = cvmx_read_csr(p->agl + AGL_GMX_PRT_CFG); prtx_cfg.s.en = 0; - cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), prtx_cfg.u64); + cvmx_write_csr(p->agl + AGL_GMX_PRT_CFG, prtx_cfg.u64); memcpy(sa.sa_data, netdev->dev_addr, ETH_ALEN); octeon_mgmt_set_mac_address(netdev, &sa); @@ -782,7 +821,7 @@ static int octeon_mgmt_open(struct net_device *netdev) mix_ctl.s.nbtarb = 0; /* Arbitration mode */ /* MII CB-request FIFO programmable high watermark */ mix_ctl.s.mrq_hwm = 1; - cvmx_write_csr(CVMX_MIXX_CTL(port), mix_ctl.u64); + cvmx_write_csr(p->mix + MIX_CTL, mix_ctl.u64); if (OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X) || OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X)) { @@ -809,16 +848,16 @@ static int octeon_mgmt_open(struct net_device *netdev) /* Clear statistics. */ /* Clear on read. */ - cvmx_write_csr(CVMX_AGL_GMX_RXX_STATS_CTL(port), 1); - cvmx_write_csr(CVMX_AGL_GMX_RXX_STATS_PKTS_DRP(port), 0); - cvmx_write_csr(CVMX_AGL_GMX_RXX_STATS_PKTS_BAD(port), 0); + cvmx_write_csr(p->agl + AGL_GMX_RX_STATS_CTL, 1); + cvmx_write_csr(p->agl + AGL_GMX_RX_STATS_PKTS_DRP, 0); + cvmx_write_csr(p->agl + AGL_GMX_RX_STATS_PKTS_BAD, 0); - cvmx_write_csr(CVMX_AGL_GMX_TXX_STATS_CTL(port), 1); - cvmx_write_csr(CVMX_AGL_GMX_TXX_STAT0(port), 0); - cvmx_write_csr(CVMX_AGL_GMX_TXX_STAT1(port), 0); + cvmx_write_csr(p->agl + AGL_GMX_TX_STATS_CTL, 1); + cvmx_write_csr(p->agl + AGL_GMX_TX_STAT0, 0); + cvmx_write_csr(p->agl + AGL_GMX_TX_STAT1, 0); /* Clear any pending interrupts */ - cvmx_write_csr(CVMX_MIXX_ISR(port), cvmx_read_csr(CVMX_MIXX_ISR(port))); + cvmx_write_csr(p->mix + MIX_ISR, cvmx_read_csr(p->mix + MIX_ISR)); if (request_irq(p->irq, octeon_mgmt_interrupt, 0, netdev->name, netdev)) { @@ -829,18 +868,18 @@ static int octeon_mgmt_open(struct net_device *netdev) /* Interrupt every single RX packet */ mix_irhwm.u64 = 0; mix_irhwm.s.irhwm = 0; - cvmx_write_csr(CVMX_MIXX_IRHWM(port), mix_irhwm.u64); + cvmx_write_csr(p->mix + MIX_IRHWM, mix_irhwm.u64); /* Interrupt when we have 1 or more packets to clean. */ mix_orhwm.u64 = 0; mix_orhwm.s.orhwm = 1; - cvmx_write_csr(CVMX_MIXX_ORHWM(port), mix_orhwm.u64); + cvmx_write_csr(p->mix + MIX_ORHWM, mix_orhwm.u64); /* Enable receive and transmit interrupts */ mix_intena.u64 = 0; mix_intena.s.ithena = 1; mix_intena.s.othena = 1; - cvmx_write_csr(CVMX_MIXX_INTENA(port), mix_intena.u64); + cvmx_write_csr(p->mix + MIX_INTENA, mix_intena.u64); /* Enable packet I/O. */ @@ -871,7 +910,7 @@ static int octeon_mgmt_open(struct net_device *netdev) * frame. GMX checks that the PREAMBLE is sent correctly. */ rxx_frm_ctl.s.pre_chk = 1; - cvmx_write_csr(CVMX_AGL_GMX_RXX_FRM_CTL(port), rxx_frm_ctl.u64); + cvmx_write_csr(p->agl + AGL_GMX_RX_FRM_CTL, rxx_frm_ctl.u64); /* Enable the AGL block */ agl_gmx_inf_mode.u64 = 0; @@ -879,13 +918,13 @@ static int octeon_mgmt_open(struct net_device *netdev) cvmx_write_csr(CVMX_AGL_GMX_INF_MODE, agl_gmx_inf_mode.u64); /* Configure the port duplex and enables */ - prtx_cfg.u64 = cvmx_read_csr(CVMX_AGL_GMX_PRTX_CFG(port)); + prtx_cfg.u64 = cvmx_read_csr(p->agl + AGL_GMX_PRT_CFG); prtx_cfg.s.tx_en = 1; prtx_cfg.s.rx_en = 1; prtx_cfg.s.en = 1; p->last_duplex = 1; prtx_cfg.s.duplex = p->last_duplex; - cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), prtx_cfg.u64); + cvmx_write_csr(p->agl + AGL_GMX_PRT_CFG, prtx_cfg.u64); p->last_link = 0; netif_carrier_off(netdev); @@ -949,7 +988,6 @@ static int octeon_mgmt_stop(struct net_device *netdev) static int octeon_mgmt_xmit(struct sk_buff *skb, struct net_device *netdev) { struct octeon_mgmt *p = netdev_priv(netdev); - int port = p->port; union mgmt_port_ring_entry re; unsigned long flags; int rv = NETDEV_TX_BUSY; @@ -993,7 +1031,7 @@ static int octeon_mgmt_xmit(struct sk_buff *skb, struct net_device *netdev) netdev->stats.tx_bytes += skb->len; /* Ring the bell. */ - cvmx_write_csr(CVMX_MIXX_ORING2(port), 1); + cvmx_write_csr(p->mix + MIX_ORING2, 1); rv = NETDEV_TX_OK; out: @@ -1071,10 +1109,14 @@ static const struct net_device_ops octeon_mgmt_ops = { static int __devinit octeon_mgmt_probe(struct platform_device *pdev) { - struct resource *res_irq; struct net_device *netdev; struct octeon_mgmt *p; - int i; + const __be32 *data; + const u8 *mac; + struct resource *res_mix; + struct resource *res_agl; + int len; + int result; netdev = alloc_etherdev(sizeof(struct octeon_mgmt)); if (netdev == NULL) @@ -1088,14 +1130,63 @@ static int __devinit octeon_mgmt_probe(struct platform_device *pdev) p->netdev = netdev; p->dev = &pdev->dev; - p->port = pdev->id; + data = of_get_property(pdev->dev.of_node, "cell-index", &len); + if (data && len == sizeof(*data)) { + p->port = be32_to_cpup(data); + } else { + dev_err(&pdev->dev, "no 'cell-index' property\n"); + result = -ENXIO; + goto err; + } + snprintf(netdev->name, IFNAMSIZ, "mgmt%d", p->port); - res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res_irq) + result = platform_get_irq(pdev, 0); + if (result < 0) + goto err; + + p->irq = result; + + res_mix = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res_mix == NULL) { + dev_err(&pdev->dev, "no 'reg' resource\n"); + result = -ENXIO; + goto err; + } + + res_agl = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (res_agl == NULL) { + dev_err(&pdev->dev, "no 'reg' resource\n"); + result = -ENXIO; + goto err; + } + + p->mix_phys = res_mix->start; + p->mix_size = resource_size(res_mix); + p->agl_phys = res_agl->start; + p->agl_size = resource_size(res_agl); + + + if (!devm_request_mem_region(&pdev->dev, p->mix_phys, p->mix_size, + res_mix->name)) { + dev_err(&pdev->dev, "request_mem_region (%s) failed\n", + res_mix->name); + result = -ENXIO; + goto err; + } + + if (!devm_request_mem_region(&pdev->dev, p->agl_phys, p->agl_size, + res_agl->name)) { + result = -ENXIO; + dev_err(&pdev->dev, "request_mem_region (%s) failed\n", + res_agl->name); goto err; + } + + + p->mix = (u64)devm_ioremap(&pdev->dev, p->mix_phys, p->mix_size); + p->agl = (u64)devm_ioremap(&pdev->dev, p->agl_phys, p->agl_size); - p->irq = res_irq->start; spin_lock_init(&p->lock); skb_queue_head_init(&p->tx_list); @@ -1108,24 +1199,26 @@ static int __devinit octeon_mgmt_probe(struct platform_device *pdev) netdev->netdev_ops = &octeon_mgmt_ops; netdev->ethtool_ops = &octeon_mgmt_ethtool_ops; - /* The mgmt ports get the first N MACs. */ - for (i = 0; i < 6; i++) - netdev->dev_addr[i] = octeon_bootinfo->mac_addr_base[i]; - netdev->dev_addr[5] += p->port; + mac = of_get_mac_address(pdev->dev.of_node); + + if (mac) + memcpy(netdev->dev_addr, mac, 6); - if (p->port >= octeon_bootinfo->mac_addr_count) - dev_err(&pdev->dev, - "Error %s: Using MAC outside of the assigned range: %pM\n", - netdev->name, netdev->dev_addr); + p->phy_np = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0); - if (register_netdev(netdev)) + pdev->dev.coherent_dma_mask = DMA_BIT_MASK(64); + pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; + + result = register_netdev(netdev); + if (result) goto err; dev_info(&pdev->dev, "Version " DRV_VERSION "\n"); return 0; + err: free_netdev(netdev); - return -ENOENT; + return result; } static int __devexit octeon_mgmt_remove(struct platform_device *pdev) @@ -1137,10 +1230,19 @@ static int __devexit octeon_mgmt_remove(struct platform_device *pdev) return 0; } +static struct of_device_id octeon_mgmt_match[] = { + { + .compatible = "cavium,octeon-5750-mix", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, octeon_mgmt_match); + static struct platform_driver octeon_mgmt_driver = { .driver = { .name = "octeon_mgmt", .owner = THIS_MODULE, + .of_match_table = octeon_mgmt_match, }, .probe = octeon_mgmt_probe, .remove = __devexit_p(octeon_mgmt_remove), diff --git a/drivers/net/phy/mdio-octeon.c b/drivers/net/phy/mdio-octeon.c index 826d961..d4015aa 100644 --- a/drivers/net/phy/mdio-octeon.c +++ b/drivers/net/phy/mdio-octeon.c @@ -3,14 +3,17 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2009 Cavium Networks + * Copyright (C) 2009,2011 Cavium, Inc. */ -#include <linux/gfp.h> -#include <linux/init.h> -#include <linux/module.h> #include <linux/platform_device.h> +#include <linux/of_mdio.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/gfp.h> #include <linux/phy.h> +#include <linux/io.h> #include <asm/octeon/octeon.h> #include <asm/octeon/cvmx-smix-defs.h> @@ -18,9 +21,17 @@ #define DRV_VERSION "1.0" #define DRV_DESCRIPTION "Cavium Networks Octeon SMI/MDIO driver" +#define SMI_CMD 0x0 +#define SMI_WR_DAT 0x8 +#define SMI_RD_DAT 0x10 +#define SMI_CLK 0x18 +#define SMI_EN 0x20 + struct octeon_mdiobus { struct mii_bus *mii_bus; - int unit; + u64 register_base; + resource_size_t mdio_phys; + resource_size_t regsize; int phy_irq[PHY_MAX_ADDR]; }; @@ -35,15 +46,15 @@ static int octeon_mdiobus_read(struct mii_bus *bus, int phy_id, int regnum) smi_cmd.s.phy_op = 1; /* MDIO_CLAUSE_22_READ */ smi_cmd.s.phy_adr = phy_id; smi_cmd.s.reg_adr = regnum; - cvmx_write_csr(CVMX_SMIX_CMD(p->unit), smi_cmd.u64); + cvmx_write_csr(p->register_base + SMI_CMD, smi_cmd.u64); do { /* * Wait 1000 clocks so we don't saturate the RSL bus * doing reads. */ - cvmx_wait(1000); - smi_rd.u64 = cvmx_read_csr(CVMX_SMIX_RD_DAT(p->unit)); + __delay(1000); + smi_rd.u64 = cvmx_read_csr(p->register_base + SMI_RD_DAT); } while (smi_rd.s.pending && --timeout); if (smi_rd.s.val) @@ -62,21 +73,21 @@ static int octeon_mdiobus_write(struct mii_bus *bus, int phy_id, smi_wr.u64 = 0; smi_wr.s.dat = val; - cvmx_write_csr(CVMX_SMIX_WR_DAT(p->unit), smi_wr.u64); + cvmx_write_csr(p->register_base + SMI_WR_DAT, smi_wr.u64); smi_cmd.u64 = 0; smi_cmd.s.phy_op = 0; /* MDIO_CLAUSE_22_WRITE */ smi_cmd.s.phy_adr = phy_id; smi_cmd.s.reg_adr = regnum; - cvmx_write_csr(CVMX_SMIX_CMD(p->unit), smi_cmd.u64); + cvmx_write_csr(p->register_base + SMI_CMD, smi_cmd.u64); do { /* * Wait 1000 clocks so we don't saturate the RSL bus * doing reads. */ - cvmx_wait(1000); - smi_wr.u64 = cvmx_read_csr(CVMX_SMIX_WR_DAT(p->unit)); + __delay(1000); + smi_wr.u64 = cvmx_read_csr(p->register_base + SMI_WR_DAT); } while (smi_wr.s.pending && --timeout); if (timeout <= 0) @@ -88,38 +99,44 @@ static int octeon_mdiobus_write(struct mii_bus *bus, int phy_id, static int __devinit octeon_mdiobus_probe(struct platform_device *pdev) { struct octeon_mdiobus *bus; + struct resource *res_mem; union cvmx_smix_en smi_en; - int i; int err = -ENOENT; bus = devm_kzalloc(&pdev->dev, sizeof(*bus), GFP_KERNEL); if (!bus) return -ENOMEM; - /* The platform_device id is our unit number. */ - bus->unit = pdev->id; + res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + + if (res_mem == NULL) { + dev_err(&pdev->dev, "found no memory resource\n"); + err = -ENXIO; + goto fail; + } + bus->mdio_phys = res_mem->start; + bus->regsize = resource_size(res_mem); + if (!devm_request_mem_region(&pdev->dev, bus->mdio_phys, bus->regsize, + res_mem->name)) { + dev_err(&pdev->dev, "request_mem_region failed\n"); + goto fail; + } + bus->register_base = + (u64)devm_ioremap(&pdev->dev, bus->mdio_phys, bus->regsize); bus->mii_bus = mdiobus_alloc(); if (!bus->mii_bus) - goto err; + goto fail; smi_en.u64 = 0; smi_en.s.en = 1; - cvmx_write_csr(CVMX_SMIX_EN(bus->unit), smi_en.u64); - - /* - * Standard Octeon evaluation boards don't support phy - * interrupts, we need to poll. - */ - for (i = 0; i < PHY_MAX_ADDR; i++) - bus->phy_irq[i] = PHY_POLL; + cvmx_write_csr(bus->register_base + SMI_EN, smi_en.u64); bus->mii_bus->priv = bus; bus->mii_bus->irq = bus->phy_irq; bus->mii_bus->name = "mdio-octeon"; - snprintf(bus->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", - bus->mii_bus->name, bus->unit); + snprintf(bus->mii_bus->id, MII_BUS_ID_SIZE, "%llx", bus->register_base); bus->mii_bus->parent = &pdev->dev; bus->mii_bus->read = octeon_mdiobus_read; @@ -127,20 +144,18 @@ static int __devinit octeon_mdiobus_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, bus); - err = mdiobus_register(bus->mii_bus); + err = of_mdiobus_register(bus->mii_bus, pdev->dev.of_node); if (err) - goto err_register; + goto fail_register; dev_info(&pdev->dev, "Version " DRV_VERSION "\n"); return 0; -err_register: +fail_register: mdiobus_free(bus->mii_bus); - -err: - devm_kfree(&pdev->dev, bus); +fail: smi_en.u64 = 0; - cvmx_write_csr(CVMX_SMIX_EN(bus->unit), smi_en.u64); + cvmx_write_csr(bus->register_base + SMI_EN, smi_en.u64); return err; } @@ -154,14 +169,23 @@ static int __devexit octeon_mdiobus_remove(struct platform_device *pdev) mdiobus_unregister(bus->mii_bus); mdiobus_free(bus->mii_bus); smi_en.u64 = 0; - cvmx_write_csr(CVMX_SMIX_EN(bus->unit), smi_en.u64); + cvmx_write_csr(bus->register_base + SMI_EN, smi_en.u64); return 0; } +static struct of_device_id octeon_mdiobus_match[] = { + { + .compatible = "cavium,octeon-3860-mdio", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, octeon_mdiobus_match); + static struct platform_driver octeon_mdiobus_driver = { .driver = { .name = "mdio-octeon", .owner = THIS_MODULE, + .of_match_table = octeon_mdiobus_match, }, .probe = octeon_mdiobus_probe, .remove = __devexit_p(octeon_mdiobus_remove), diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 4cde4fb..5f84b55 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -144,6 +144,15 @@ config SPI_EP93XX This enables using the Cirrus EP93xx SPI controller in master mode. +config SPI_FALCON + tristate "Falcon SPI controller support" + depends on SOC_FALCON + help + The external bus unit (EBU) found on the FALC-ON SoC has SPI + emulation that is designed for serial flash access. This driver + has only been tested with m25p80 type chips. The hardware has no + support for other types of SPI peripherals. + config SPI_GPIO tristate "GPIO-based bitbanging SPI Master" depends on GENERIC_GPIO diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 273f50d..3920dcf 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_SPI_DW_MMIO) += spi-dw-mmio.o obj-$(CONFIG_SPI_DW_PCI) += spi-dw-midpci.o spi-dw-midpci-objs := spi-dw-pci.o spi-dw-mid.o obj-$(CONFIG_SPI_EP93XX) += spi-ep93xx.o +obj-$(CONFIG_SPI_FALCON) += spi-falcon.o obj-$(CONFIG_SPI_FSL_LIB) += spi-fsl-lib.o obj-$(CONFIG_SPI_FSL_ESPI) += spi-fsl-espi.o obj-$(CONFIG_SPI_FSL_SPI) += spi-fsl-spi.o diff --git a/drivers/spi/spi-falcon.c b/drivers/spi/spi-falcon.c new file mode 100644 index 0000000..8f6aa73 --- /dev/null +++ b/drivers/spi/spi-falcon.c @@ -0,0 +1,469 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2012 Thomas Langer <thomas.langer@lantiq.com> + */ + +#include <linux/module.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> +#include <linux/delay.h> +#include <linux/workqueue.h> +#include <linux/of.h> +#include <linux/of_platform.h> + +#include <lantiq_soc.h> + +#define DRV_NAME "sflash-falcon" + +#define FALCON_SPI_XFER_BEGIN (1 << 0) +#define FALCON_SPI_XFER_END (1 << 1) + +/* Bus Read Configuration Register0 */ +#define BUSRCON0 0x00000010 +/* Bus Write Configuration Register0 */ +#define BUSWCON0 0x00000018 +/* Serial Flash Configuration Register */ +#define SFCON 0x00000080 +/* Serial Flash Time Register */ +#define SFTIME 0x00000084 +/* Serial Flash Status Register */ +#define SFSTAT 0x00000088 +/* Serial Flash Command Register */ +#define SFCMD 0x0000008C +/* Serial Flash Address Register */ +#define SFADDR 0x00000090 +/* Serial Flash Data Register */ +#define SFDATA 0x00000094 +/* Serial Flash I/O Control Register */ +#define SFIO 0x00000098 +/* EBU Clock Control Register */ +#define EBUCC 0x000000C4 + +/* Dummy Phase Length */ +#define SFCMD_DUMLEN_OFFSET 16 +#define SFCMD_DUMLEN_MASK 0x000F0000 +/* Chip Select */ +#define SFCMD_CS_OFFSET 24 +#define SFCMD_CS_MASK 0x07000000 +/* field offset */ +#define SFCMD_ALEN_OFFSET 20 +#define SFCMD_ALEN_MASK 0x00700000 +/* SCK Rise-edge Position */ +#define SFTIME_SCKR_POS_OFFSET 8 +#define SFTIME_SCKR_POS_MASK 0x00000F00 +/* SCK Period */ +#define SFTIME_SCK_PER_OFFSET 0 +#define SFTIME_SCK_PER_MASK 0x0000000F +/* SCK Fall-edge Position */ +#define SFTIME_SCKF_POS_OFFSET 12 +#define SFTIME_SCKF_POS_MASK 0x0000F000 +/* Device Size */ +#define SFCON_DEV_SIZE_A23_0 0x03000000 +#define SFCON_DEV_SIZE_MASK 0x0F000000 +/* Read Data Position */ +#define SFTIME_RD_POS_MASK 0x000F0000 +/* Data Output */ +#define SFIO_UNUSED_WD_MASK 0x0000000F +/* Command Opcode mask */ +#define SFCMD_OPC_MASK 0x000000FF +/* dlen bytes of data to write */ +#define SFCMD_DIR_WRITE 0x00000100 +/* Data Length offset */ +#define SFCMD_DLEN_OFFSET 9 +/* Command Error */ +#define SFSTAT_CMD_ERR 0x20000000 +/* Access Command Pending */ +#define SFSTAT_CMD_PEND 0x00400000 +/* Frequency set to 100MHz. */ +#define EBUCC_EBUDIV_SELF100 0x00000001 +/* Serial Flash */ +#define BUSRCON0_AGEN_SERIAL_FLASH 0xF0000000 +/* 8-bit multiplexed */ +#define BUSRCON0_PORTW_8_BIT_MUX 0x00000000 +/* Serial Flash */ +#define BUSWCON0_AGEN_SERIAL_FLASH 0xF0000000 +/* Chip Select after opcode */ +#define SFCMD_KEEP_CS_KEEP_SELECTED 0x00008000 + +#define CLOCK_100M 100000000 +#define CLOCK_50M 50000000 + +struct falcon_sflash { + u32 sfcmd; /* for caching of opcode, direction, ... */ + struct spi_master *master; +}; + +int falcon_sflash_xfer(struct spi_device *spi, struct spi_transfer *t, + unsigned long flags) +{ + struct device *dev = &spi->dev; + struct falcon_sflash *priv = spi_master_get_devdata(spi->master); + const u8 *txp = t->tx_buf; + u8 *rxp = t->rx_buf; + unsigned int bytelen = ((8 * t->len + 7) / 8); + unsigned int len, alen, dumlen; + u32 val; + enum { + state_init, + state_command_prepare, + state_write, + state_read, + state_disable_cs, + state_end + } state = state_init; + + do { + switch (state) { + case state_init: /* detect phase of upper layer sequence */ + { + /* initial write ? */ + if (flags & FALCON_SPI_XFER_BEGIN) { + if (!txp) { + dev_err(dev, + "BEGIN without tx data!\n"); + return -ENODATA; + } + /* + * Prepare the parts of the sfcmd register, + * which should not change during a sequence! + * Only exception are the length fields, + * especially alen and dumlen. + */ + + priv->sfcmd = ((spi->chip_select + << SFCMD_CS_OFFSET) + & SFCMD_CS_MASK); + priv->sfcmd |= SFCMD_KEEP_CS_KEEP_SELECTED; + priv->sfcmd |= *txp; + txp++; + bytelen--; + if (bytelen) { + /* + * more data: + * maybe address and/or dummy + */ + state = state_command_prepare; + break; + } else { + dev_dbg(dev, "write cmd %02X\n", + priv->sfcmd & SFCMD_OPC_MASK); + } + } + /* continued write ? */ + if (txp && bytelen) { + state = state_write; + break; + } + /* read data? */ + if (rxp && bytelen) { + state = state_read; + break; + } + /* end of sequence? */ + if (flags & FALCON_SPI_XFER_END) + state = state_disable_cs; + else + state = state_end; + break; + } + /* collect tx data for address and dummy phase */ + case state_command_prepare: + { + /* txp is valid, already checked */ + val = 0; + alen = 0; + dumlen = 0; + while (bytelen > 0) { + if (alen < 3) { + val = (val << 8) | (*txp++); + alen++; + } else if ((dumlen < 15) && (*txp == 0)) { + /* + * assume dummy bytes are set to 0 + * from upper layer + */ + dumlen++; + txp++; + } else { + break; + } + bytelen--; + } + priv->sfcmd &= ~(SFCMD_ALEN_MASK | SFCMD_DUMLEN_MASK); + priv->sfcmd |= (alen << SFCMD_ALEN_OFFSET) | + (dumlen << SFCMD_DUMLEN_OFFSET); + if (alen > 0) + ltq_ebu_w32(val, SFADDR); + + dev_dbg(dev, "wr %02X, alen=%d (addr=%06X) dlen=%d\n", + priv->sfcmd & SFCMD_OPC_MASK, + alen, val, dumlen); + + if (bytelen > 0) { + /* continue with write */ + state = state_write; + } else if (flags & FALCON_SPI_XFER_END) { + /* end of sequence? */ + state = state_disable_cs; + } else { + /* + * go to end and expect another + * call (read or write) + */ + state = state_end; + } + break; + } + case state_write: + { + /* txp still valid */ + priv->sfcmd |= SFCMD_DIR_WRITE; + len = 0; + val = 0; + do { + if (bytelen--) + val |= (*txp++) << (8 * len++); + if ((flags & FALCON_SPI_XFER_END) + && (bytelen == 0)) { + priv->sfcmd &= + ~SFCMD_KEEP_CS_KEEP_SELECTED; + } + if ((len == 4) || (bytelen == 0)) { + ltq_ebu_w32(val, SFDATA); + ltq_ebu_w32(priv->sfcmd + | (len<<SFCMD_DLEN_OFFSET), + SFCMD); + len = 0; + val = 0; + priv->sfcmd &= ~(SFCMD_ALEN_MASK + | SFCMD_DUMLEN_MASK); + } + } while (bytelen); + state = state_end; + break; + } + case state_read: + { + /* read data */ + priv->sfcmd &= ~SFCMD_DIR_WRITE; + do { + if ((flags & FALCON_SPI_XFER_END) + && (bytelen <= 4)) { + priv->sfcmd &= + ~SFCMD_KEEP_CS_KEEP_SELECTED; + } + len = (bytelen > 4) ? 4 : bytelen; + bytelen -= len; + ltq_ebu_w32(priv->sfcmd + | (len << SFCMD_DLEN_OFFSET), SFCMD); + priv->sfcmd &= ~(SFCMD_ALEN_MASK + | SFCMD_DUMLEN_MASK); + do { + val = ltq_ebu_r32(SFSTAT); + if (val & SFSTAT_CMD_ERR) { + /* reset error status */ + dev_err(dev, "SFSTAT: CMD_ERR"); + dev_err(dev, " (%x)\n", val); + ltq_ebu_w32(SFSTAT_CMD_ERR, + SFSTAT); + return -EBADE; + } + } while (val & SFSTAT_CMD_PEND); + val = ltq_ebu_r32(SFDATA); + do { + *rxp = (val & 0xFF); + rxp++; + val >>= 8; + len--; + } while (len); + } while (bytelen); + state = state_end; + break; + } + case state_disable_cs: + { + priv->sfcmd &= ~SFCMD_KEEP_CS_KEEP_SELECTED; + ltq_ebu_w32(priv->sfcmd | (0 << SFCMD_DLEN_OFFSET), + SFCMD); + val = ltq_ebu_r32(SFSTAT); + if (val & SFSTAT_CMD_ERR) { + /* reset error status */ + dev_err(dev, "SFSTAT: CMD_ERR (%x)\n", val); + ltq_ebu_w32(SFSTAT_CMD_ERR, SFSTAT); + return -EBADE; + } + state = state_end; + break; + } + case state_end: + break; + } + } while (state != state_end); + + return 0; +} + +static int falcon_sflash_setup(struct spi_device *spi) +{ + unsigned int i; + unsigned long flags; + + if (spi->chip_select > 0) + return -ENODEV; + + spin_lock_irqsave(&ebu_lock, flags); + + if (spi->max_speed_hz >= CLOCK_100M) { + /* set EBU clock to 100 MHz */ + ltq_sys1_w32_mask(0, EBUCC_EBUDIV_SELF100, EBUCC); + i = 1; /* divider */ + } else { + /* set EBU clock to 50 MHz */ + ltq_sys1_w32_mask(EBUCC_EBUDIV_SELF100, 0, EBUCC); + + /* search for suitable divider */ + for (i = 1; i < 7; i++) { + if (CLOCK_50M / i <= spi->max_speed_hz) + break; + } + } + + /* setup period of serial clock */ + ltq_ebu_w32_mask(SFTIME_SCKF_POS_MASK + | SFTIME_SCKR_POS_MASK + | SFTIME_SCK_PER_MASK, + (i << SFTIME_SCKR_POS_OFFSET) + | (i << (SFTIME_SCK_PER_OFFSET + 1)), + SFTIME); + + /* + * set some bits of unused_wd, to not trigger HOLD/WP + * signals on non QUAD flashes + */ + ltq_ebu_w32((SFIO_UNUSED_WD_MASK & (0x8 | 0x4)), SFIO); + + ltq_ebu_w32(BUSRCON0_AGEN_SERIAL_FLASH | BUSRCON0_PORTW_8_BIT_MUX, + BUSRCON0); + ltq_ebu_w32(BUSWCON0_AGEN_SERIAL_FLASH, BUSWCON0); + /* set address wrap around to maximum for 24-bit addresses */ + ltq_ebu_w32_mask(SFCON_DEV_SIZE_MASK, SFCON_DEV_SIZE_A23_0, SFCON); + + spin_unlock_irqrestore(&ebu_lock, flags); + + return 0; +} + +static int falcon_sflash_prepare_xfer(struct spi_master *master) +{ + return 0; +} + +static int falcon_sflash_unprepare_xfer(struct spi_master *master) +{ + return 0; +} + +static int falcon_sflash_xfer_one(struct spi_master *master, + struct spi_message *m) +{ + struct falcon_sflash *priv = spi_master_get_devdata(master); + struct spi_transfer *t; + unsigned long spi_flags; + unsigned long flags; + int ret = 0; + + priv->sfcmd = 0; + m->actual_length = 0; + + spi_flags = FALCON_SPI_XFER_BEGIN; + list_for_each_entry(t, &m->transfers, transfer_list) { + if (list_is_last(&t->transfer_list, &m->transfers)) + spi_flags |= FALCON_SPI_XFER_END; + + spin_lock_irqsave(&ebu_lock, flags); + ret = falcon_sflash_xfer(m->spi, t, spi_flags); + spin_unlock_irqrestore(&ebu_lock, flags); + + if (ret) + break; + + m->actual_length += t->len; + + WARN_ON(t->delay_usecs || t->cs_change); + spi_flags = 0; + } + + m->status = ret; + m->complete(m->context); + + return 0; +} + +static int __devinit falcon_sflash_probe(struct platform_device *pdev) +{ + struct falcon_sflash *priv; + struct spi_master *master; + int ret; + + if (ltq_boot_select() != BS_SPI) { + dev_err(&pdev->dev, "invalid bootstrap options\n"); + return -ENODEV; + } + + master = spi_alloc_master(&pdev->dev, sizeof(*priv)); + if (!master) + return -ENOMEM; + + priv = spi_master_get_devdata(master); + priv->master = master; + + master->mode_bits = SPI_MODE_3; + master->num_chipselect = 1; + master->bus_num = -1; + master->setup = falcon_sflash_setup; + master->prepare_transfer_hardware = falcon_sflash_prepare_xfer; + master->transfer_one_message = falcon_sflash_xfer_one; + master->unprepare_transfer_hardware = falcon_sflash_unprepare_xfer; + master->dev.of_node = pdev->dev.of_node; + + platform_set_drvdata(pdev, priv); + + ret = spi_register_master(master); + if (ret) + spi_master_put(master); + return ret; +} + +static int __devexit falcon_sflash_remove(struct platform_device *pdev) +{ + struct falcon_sflash *priv = platform_get_drvdata(pdev); + + spi_unregister_master(priv->master); + + return 0; +} + +static const struct of_device_id falcon_sflash_match[] = { + { .compatible = "lantiq,sflash-falcon" }, + {}, +}; +MODULE_DEVICE_TABLE(of, falcon_sflash_match); + +static struct platform_driver falcon_sflash_driver = { + .probe = falcon_sflash_probe, + .remove = __devexit_p(falcon_sflash_remove), + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + .of_match_table = falcon_sflash_match, + } +}; + +module_platform_driver(falcon_sflash_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Lantiq Falcon SPI/SFLASH controller driver"); diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c index e31949c..f15b31b 100644 --- a/drivers/staging/octeon/ethernet-mdio.c +++ b/drivers/staging/octeon/ethernet-mdio.c @@ -28,6 +28,7 @@ #include <linux/ethtool.h> #include <linux/phy.h> #include <linux/ratelimit.h> +#include <linux/of_mdio.h> #include <net/dst.h> @@ -161,22 +162,23 @@ static void cvm_oct_adjust_link(struct net_device *dev) int cvm_oct_phy_setup_device(struct net_device *dev) { struct octeon_ethernet *priv = netdev_priv(dev); + struct device_node *phy_node; - int phy_addr = cvmx_helper_board_get_mii_address(priv->port); - if (phy_addr != -1) { - char phy_id[MII_BUS_ID_SIZE + 3]; + if (!priv->of_node) + return 0; - snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, "mdio-octeon-0", phy_addr); + phy_node = of_parse_phandle(priv->of_node, "phy-handle", 0); + if (!phy_node) + return 0; - priv->phydev = phy_connect(dev, phy_id, cvm_oct_adjust_link, 0, - PHY_INTERFACE_MODE_GMII); + priv->phydev = of_phy_connect(dev, phy_node, cvm_oct_adjust_link, 0, + PHY_INTERFACE_MODE_GMII); + + if (priv->phydev == NULL) + return -ENODEV; + + priv->last_link = 0; + phy_start_aneg(priv->phydev); - if (IS_ERR(priv->phydev)) { - priv->phydev = NULL; - return -1; - } - priv->last_link = 0; - phy_start_aneg(priv->phydev); - } return 0; } diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c index 18f7a79..683bedc 100644 --- a/drivers/staging/octeon/ethernet.c +++ b/drivers/staging/octeon/ethernet.c @@ -24,6 +24,7 @@ * This file may also be available under a different license from Cavium. * Contact Cavium Networks for more information **********************************************************************/ +#include <linux/platform_device.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> @@ -32,6 +33,7 @@ #include <linux/phy.h> #include <linux/slab.h> #include <linux/interrupt.h> +#include <linux/of_net.h> #include <net/dst.h> @@ -113,15 +115,6 @@ int rx_napi_weight = 32; module_param(rx_napi_weight, int, 0444); MODULE_PARM_DESC(rx_napi_weight, "The NAPI WEIGHT parameter."); -/* - * The offset from mac_addr_base that should be used for the next port - * that is configured. By convention, if any mgmt ports exist on the - * chip, they get the first mac addresses, The ports controlled by - * this driver are numbered sequencially following any mgmt addresses - * that may exist. - */ -static unsigned int cvm_oct_mac_addr_offset; - /** * cvm_oct_poll_queue - Workqueue for polling operations. */ @@ -176,7 +169,7 @@ static void cvm_oct_periodic_worker(struct work_struct *work) queue_delayed_work(cvm_oct_poll_queue, &priv->port_periodic_work, HZ); } -static __init void cvm_oct_configure_common_hw(void) +static __devinit void cvm_oct_configure_common_hw(void) { /* Setup the FPA */ cvmx_fpa_enable(); @@ -396,23 +389,21 @@ static void cvm_oct_common_set_multicast_list(struct net_device *dev) * Returns Zero on success */ -static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) +static int cvm_oct_set_mac_filter(struct net_device *dev) { struct octeon_ethernet *priv = netdev_priv(dev); union cvmx_gmxx_prtx_cfg gmx_cfg; int interface = INTERFACE(priv->port); int index = INDEX(priv->port); - memcpy(dev->dev_addr, addr + 2, 6); - if ((interface < 2) && (cvmx_helper_interface_get_mode(interface) != CVMX_HELPER_INTERFACE_MODE_SPI)) { int i; - uint8_t *ptr = addr; + uint8_t *ptr = dev->dev_addr; uint64_t mac = 0; for (i = 0; i < 6; i++) - mac = (mac << 8) | (uint64_t) (ptr[i + 2]); + mac = (mac << 8) | (uint64_t)ptr[i]; gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface)); @@ -421,17 +412,17 @@ static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) cvmx_write_csr(CVMX_GMXX_SMACX(index, interface), mac); cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM0(index, interface), - ptr[2]); + ptr[0]); cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM1(index, interface), - ptr[3]); + ptr[1]); cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM2(index, interface), - ptr[4]); + ptr[2]); cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM3(index, interface), - ptr[5]); + ptr[3]); cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM4(index, interface), - ptr[6]); + ptr[4]); cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM5(index, interface), - ptr[7]); + ptr[5]); cvm_oct_common_set_multicast_list(dev); cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64); @@ -439,6 +430,15 @@ static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) return 0; } +static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) +{ + int r = eth_mac_addr(dev, addr); + + if (r) + return r; + return cvm_oct_set_mac_filter(dev); +} + /** * cvm_oct_common_init - per network device initialization * @dev: Device to initialize @@ -448,26 +448,17 @@ static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) int cvm_oct_common_init(struct net_device *dev) { struct octeon_ethernet *priv = netdev_priv(dev); - struct sockaddr sa; - u64 mac = ((u64)(octeon_bootinfo->mac_addr_base[0] & 0xff) << 40) | - ((u64)(octeon_bootinfo->mac_addr_base[1] & 0xff) << 32) | - ((u64)(octeon_bootinfo->mac_addr_base[2] & 0xff) << 24) | - ((u64)(octeon_bootinfo->mac_addr_base[3] & 0xff) << 16) | - ((u64)(octeon_bootinfo->mac_addr_base[4] & 0xff) << 8) | - (u64)(octeon_bootinfo->mac_addr_base[5] & 0xff); - - mac += cvm_oct_mac_addr_offset; - sa.sa_data[0] = (mac >> 40) & 0xff; - sa.sa_data[1] = (mac >> 32) & 0xff; - sa.sa_data[2] = (mac >> 24) & 0xff; - sa.sa_data[3] = (mac >> 16) & 0xff; - sa.sa_data[4] = (mac >> 8) & 0xff; - sa.sa_data[5] = mac & 0xff; - - if (cvm_oct_mac_addr_offset >= octeon_bootinfo->mac_addr_count) - printk(KERN_DEBUG "%s: Using MAC outside of the assigned range:" - " %pM\n", dev->name, sa.sa_data); - cvm_oct_mac_addr_offset++; + const u8 *mac = NULL; + + if (priv->of_node) + mac = of_get_mac_address(priv->of_node); + + if (mac && is_valid_ether_addr(mac)) { + memcpy(dev->dev_addr, mac, ETH_ALEN); + dev->addr_assign_type &= ~NET_ADDR_RANDOM; + } else { + eth_hw_addr_random(dev); + } /* * Force the interface to use the POW send if always_use_pow @@ -488,7 +479,7 @@ int cvm_oct_common_init(struct net_device *dev) SET_ETHTOOL_OPS(dev, &cvm_oct_ethtool_ops); cvm_oct_phy_setup_device(dev); - dev->netdev_ops->ndo_set_mac_address(dev, &sa); + cvm_oct_set_mac_filter(dev); dev->netdev_ops->ndo_change_mtu(dev, dev->mtu); /* @@ -595,22 +586,55 @@ static const struct net_device_ops cvm_oct_pow_netdev_ops = { extern void octeon_mdiobus_force_mod_depencency(void); -static int __init cvm_oct_init_module(void) +static struct device_node * __devinit cvm_oct_of_get_child(const struct device_node *parent, + int reg_val) +{ + struct device_node *node = NULL; + int size; + const __be32 *addr; + + for (;;) { + node = of_get_next_child(parent, node); + if (!node) + break; + addr = of_get_property(node, "reg", &size); + if (addr && (be32_to_cpu(*addr) == reg_val)) + break; + } + return node; +} + +static struct device_node * __devinit cvm_oct_node_for_port(struct device_node *pip, + int interface, int port) +{ + struct device_node *ni, *np; + + ni = cvm_oct_of_get_child(pip, interface); + if (!ni) + return NULL; + + np = cvm_oct_of_get_child(ni, port); + of_node_put(ni); + + return np; +} + +static int __devinit cvm_oct_probe(struct platform_device *pdev) { int num_interfaces; int interface; int fau = FAU_NUM_PACKET_BUFFERS_TO_FREE; int qos; + struct device_node *pip; octeon_mdiobus_force_mod_depencency(); pr_notice("cavium-ethernet %s\n", OCTEON_ETHERNET_VERSION); - if (OCTEON_IS_MODEL(OCTEON_CN52XX)) - cvm_oct_mac_addr_offset = 2; /* First two are the mgmt ports. */ - else if (OCTEON_IS_MODEL(OCTEON_CN56XX)) - cvm_oct_mac_addr_offset = 1; /* First one is the mgmt port. */ - else - cvm_oct_mac_addr_offset = 0; + pip = pdev->dev.of_node; + if (!pip) { + pr_err("Error: No 'pip' in /aliases\n"); + return -EINVAL; + } cvm_oct_poll_queue = create_singlethread_workqueue("octeon-ethernet"); if (cvm_oct_poll_queue == NULL) { @@ -689,10 +713,11 @@ static int __init cvm_oct_init_module(void) cvmx_helper_interface_get_mode(interface); int num_ports = cvmx_helper_ports_on_interface(interface); int port; + int port_index; - for (port = cvmx_helper_get_ipd_port(interface, 0); + for (port_index = 0, port = cvmx_helper_get_ipd_port(interface, 0); port < cvmx_helper_get_ipd_port(interface, num_ports); - port++) { + port_index++, port++) { struct octeon_ethernet *priv; struct net_device *dev = alloc_etherdev(sizeof(struct octeon_ethernet)); @@ -703,6 +728,7 @@ static int __init cvm_oct_init_module(void) /* Initialize the device private structure. */ priv = netdev_priv(dev); + priv->of_node = cvm_oct_node_for_port(pip, interface, port_index); INIT_DELAYED_WORK(&priv->port_periodic_work, cvm_oct_periodic_worker); @@ -787,7 +813,7 @@ static int __init cvm_oct_init_module(void) return 0; } -static void __exit cvm_oct_cleanup_module(void) +static int __devexit cvm_oct_remove(struct platform_device *pdev) { int port; @@ -835,10 +861,29 @@ static void __exit cvm_oct_cleanup_module(void) if (CVMX_FPA_OUTPUT_BUFFER_POOL != CVMX_FPA_PACKET_POOL) cvm_oct_mem_empty_fpa(CVMX_FPA_OUTPUT_BUFFER_POOL, CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, 128); + return 0; } +static struct of_device_id cvm_oct_match[] = { + { + .compatible = "cavium,octeon-3860-pip", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, cvm_oct_match); + +static struct platform_driver cvm_oct_driver = { + .probe = cvm_oct_probe, + .remove = __devexit_p(cvm_oct_remove), + .driver = { + .owner = THIS_MODULE, + .name = KBUILD_MODNAME, + .of_match_table = cvm_oct_match, + }, +}; + +module_platform_driver(cvm_oct_driver); + MODULE_LICENSE("GPL"); MODULE_AUTHOR("Cavium Networks <support@caviumnetworks.com>"); MODULE_DESCRIPTION("Cavium Networks Octeon ethernet driver."); -module_init(cvm_oct_init_module); -module_exit(cvm_oct_cleanup_module); diff --git a/drivers/staging/octeon/octeon-ethernet.h b/drivers/staging/octeon/octeon-ethernet.h index d581925..9360e22 100644 --- a/drivers/staging/octeon/octeon-ethernet.h +++ b/drivers/staging/octeon/octeon-ethernet.h @@ -31,6 +31,8 @@ #ifndef OCTEON_ETHERNET_H #define OCTEON_ETHERNET_H +#include <linux/of.h> + /** * This is the definition of the Ethernet driver's private * driver state stored in netdev_priv(dev). @@ -59,6 +61,7 @@ struct octeon_ethernet { void (*poll) (struct net_device *dev); struct delayed_work port_periodic_work; struct work_struct port_work; /* may be unused. */ + struct device_node *of_node; }; int cvm_oct_free_work(void *work_queue_entry); diff --git a/include/linux/libfdt.h b/include/linux/libfdt.h new file mode 100644 index 0000000..4c0306c --- /dev/null +++ b/include/linux/libfdt.h @@ -0,0 +1,8 @@ +#ifndef _INCLUDE_LIBFDT_H_ +#define _INCLUDE_LIBFDT_H_ + +#include <linux/libfdt_env.h> +#include "../../scripts/dtc/libfdt/fdt.h" +#include "../../scripts/dtc/libfdt/libfdt.h" + +#endif /* _INCLUDE_LIBFDT_H_ */ diff --git a/include/linux/libfdt_env.h b/include/linux/libfdt_env.h new file mode 100644 index 0000000..01508c7 --- /dev/null +++ b/include/linux/libfdt_env.h @@ -0,0 +1,13 @@ +#ifndef _LIBFDT_ENV_H +#define _LIBFDT_ENV_H + +#include <linux/string.h> + +#include <asm/byteorder.h> + +#define fdt32_to_cpu(x) be32_to_cpu(x) +#define cpu_to_fdt32(x) cpu_to_be32(x) +#define fdt64_to_cpu(x) be64_to_cpu(x) +#define cpu_to_fdt64(x) cpu_to_be64(x) + +#endif /* _LIBFDT_ENV_H */ diff --git a/lib/Kconfig b/lib/Kconfig index 8269d56..bfdbb1f 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -387,4 +387,10 @@ config SIGNATURE Digital signature verification. Currently only RSA is supported. Implementation is done using GnuPG MPI library +# +# libfdt files, only selected if needed. +# +config LIBFDT + bool + endmenu diff --git a/lib/Makefile b/lib/Makefile index 8c31a0c..2f2be5a 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -130,6 +130,11 @@ obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o obj-$(CONFIG_STMP_DEVICE) += stmp_device.o +libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o +$(foreach file, $(libfdt_files), \ + $(eval CFLAGS_$(file) = -I$(src)/../scripts/dtc/libfdt)) +lib-$(CONFIG_LIBFDT) += $(libfdt_files) + hostprogs-y := gen_crc32table clean-files := crc32table.h diff --git a/lib/fdt.c b/lib/fdt.c new file mode 100644 index 0000000..97f2006 --- /dev/null +++ b/lib/fdt.c @@ -0,0 +1,2 @@ +#include <linux/libfdt_env.h> +#include "../scripts/dtc/libfdt/fdt.c" diff --git a/lib/fdt_ro.c b/lib/fdt_ro.c new file mode 100644 index 0000000..f73c04e --- /dev/null +++ b/lib/fdt_ro.c @@ -0,0 +1,2 @@ +#include <linux/libfdt_env.h> +#include "../scripts/dtc/libfdt/fdt_ro.c" diff --git a/lib/fdt_rw.c b/lib/fdt_rw.c new file mode 100644 index 0000000..0c1f0f4 --- /dev/null +++ b/lib/fdt_rw.c @@ -0,0 +1,2 @@ +#include <linux/libfdt_env.h> +#include "../scripts/dtc/libfdt/fdt_rw.c" diff --git a/lib/fdt_strerror.c b/lib/fdt_strerror.c new file mode 100644 index 0000000..8713e3f --- /dev/null +++ b/lib/fdt_strerror.c @@ -0,0 +1,2 @@ +#include <linux/libfdt_env.h> +#include "../scripts/dtc/libfdt/fdt_strerror.c" diff --git a/lib/fdt_sw.c b/lib/fdt_sw.c new file mode 100644 index 0000000..9ac7e50 --- /dev/null +++ b/lib/fdt_sw.c @@ -0,0 +1,2 @@ +#include <linux/libfdt_env.h> +#include "../scripts/dtc/libfdt/fdt_sw.c" diff --git a/lib/fdt_wip.c b/lib/fdt_wip.c new file mode 100644 index 0000000..45b3fc3 --- /dev/null +++ b/lib/fdt_wip.c @@ -0,0 +1,2 @@ +#include <linux/libfdt_env.h> +#include "../scripts/dtc/libfdt/fdt_wip.c" |
