diff options
Diffstat (limited to 'arch/arm/mach-dove')
23 files changed, 2103 insertions, 0 deletions
diff --git a/arch/arm/mach-dove/Kconfig b/arch/arm/mach-dove/Kconfig new file mode 100644 index 0000000..3b9a32a --- /dev/null +++ b/arch/arm/mach-dove/Kconfig @@ -0,0 +1,14 @@ +if ARCH_DOVE + +menu "Marvell Dove Implementations" + +config MACH_DOVE_DB + bool "Marvell DB-MV88AP510 Development Board" + select I2C_BOARDINFO + help + Say 'Y' here if you want your kernel to support the + Marvell DB-MV88AP510 Development Board. + +endmenu + +endif diff --git a/arch/arm/mach-dove/Makefile b/arch/arm/mach-dove/Makefile new file mode 100644 index 0000000..7ab3be5 --- /dev/null +++ b/arch/arm/mach-dove/Makefile @@ -0,0 +1,3 @@ +obj-y += common.o addr-map.o irq.o pcie.o + +obj-$(CONFIG_MACH_DOVE_DB) += dove-db-setup.o diff --git a/arch/arm/mach-dove/Makefile.boot b/arch/arm/mach-dove/Makefile.boot new file mode 100644 index 0000000..67039c3 --- /dev/null +++ b/arch/arm/mach-dove/Makefile.boot @@ -0,0 +1,3 @@ + zreladdr-y := 0x00008000 +params_phys-y := 0x00000100 +initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-dove/addr-map.c b/arch/arm/mach-dove/addr-map.c new file mode 100644 index 0000000..00be4fc --- /dev/null +++ b/arch/arm/mach-dove/addr-map.c @@ -0,0 +1,149 @@ +/* + * arch/arm/mach-dove/addr-map.c + * + * Address map functions for Marvell Dove 88AP510 SoC + * + * 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/kernel.h> +#include <linux/init.h> +#include <linux/mbus.h> +#include <linux/io.h> +#include <asm/mach/arch.h> +#include <asm/setup.h> +#include "common.h" + +/* + * Generic Address Decode Windows bit settings + */ +#define TARGET_DDR 0x0 +#define TARGET_BOOTROM 0x1 +#define TARGET_CESA 0x3 +#define TARGET_PCIE0 0x4 +#define TARGET_PCIE1 0x8 +#define TARGET_SCRATCHPAD 0xd + +#define ATTR_CESA 0x01 +#define ATTR_BOOTROM 0xfd +#define ATTR_DEV_SPI0_ROM 0xfe +#define ATTR_DEV_SPI1_ROM 0xfb +#define ATTR_PCIE_IO 0xe0 +#define ATTR_PCIE_MEM 0xe8 +#define ATTR_SCRATCHPAD 0x0 + +/* + * CPU Address Decode Windows registers + */ +#define WIN_CTRL(n) (BRIDGE_VIRT_BASE + ((n) << 4) + 0x0) +#define WIN_BASE(n) (BRIDGE_VIRT_BASE + ((n) << 4) + 0x4) +#define WIN_REMAP_LO(n) (BRIDGE_VIRT_BASE + ((n) << 4) + 0x8) +#define WIN_REMAP_HI(n) (BRIDGE_VIRT_BASE + ((n) << 4) + 0xc) + +struct mbus_dram_target_info dove_mbus_dram_info; + +static inline void __iomem *ddr_map_sc(int i) +{ + return (void __iomem *)(DOVE_MC_VIRT_BASE + 0x100 + ((i) << 4)); +} + +static int cpu_win_can_remap(int win) +{ + if (win < 4) + return 1; + + return 0; +} + +static void __init setup_cpu_win(int win, u32 base, u32 size, + u8 target, u8 attr, int remap) +{ + u32 ctrl; + + base &= 0xffff0000; + ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1; + + writel(base, WIN_BASE(win)); + writel(ctrl, WIN_CTRL(win)); + if (cpu_win_can_remap(win)) { + if (remap < 0) + remap = base; + writel(remap & 0xffff0000, WIN_REMAP_LO(win)); + writel(0, WIN_REMAP_HI(win)); + } +} + +void __init dove_setup_cpu_mbus(void) +{ + int i; + int cs; + + /* + * First, disable and clear windows. + */ + for (i = 0; i < 8; i++) { + writel(0, WIN_BASE(i)); + writel(0, WIN_CTRL(i)); + if (cpu_win_can_remap(i)) { + writel(0, WIN_REMAP_LO(i)); + writel(0, WIN_REMAP_HI(i)); + } + } + + /* + * Setup windows for PCIe IO+MEM space. + */ + setup_cpu_win(0, DOVE_PCIE0_IO_PHYS_BASE, DOVE_PCIE0_IO_SIZE, + TARGET_PCIE0, ATTR_PCIE_IO, DOVE_PCIE0_IO_BUS_BASE); + setup_cpu_win(1, DOVE_PCIE1_IO_PHYS_BASE, DOVE_PCIE1_IO_SIZE, + TARGET_PCIE1, ATTR_PCIE_IO, DOVE_PCIE1_IO_BUS_BASE); + setup_cpu_win(2, DOVE_PCIE0_MEM_PHYS_BASE, DOVE_PCIE0_MEM_SIZE, + TARGET_PCIE0, ATTR_PCIE_MEM, -1); + setup_cpu_win(3, DOVE_PCIE1_MEM_PHYS_BASE, DOVE_PCIE1_MEM_SIZE, + TARGET_PCIE1, ATTR_PCIE_MEM, -1); + + /* + * Setup window for CESA engine. + */ + setup_cpu_win(4, DOVE_CESA_PHYS_BASE, DOVE_CESA_SIZE, + TARGET_CESA, ATTR_CESA, -1); + + /* + * Setup the Window to the BootROM for Standby and Sleep Resume + */ + setup_cpu_win(5, DOVE_BOOTROM_PHYS_BASE, DOVE_BOOTROM_SIZE, + TARGET_BOOTROM, ATTR_BOOTROM, -1); + + /* + * Setup the Window to the PMU Scratch Pad space + */ + setup_cpu_win(6, DOVE_SCRATCHPAD_PHYS_BASE, DOVE_SCRATCHPAD_SIZE, + TARGET_SCRATCHPAD, ATTR_SCRATCHPAD, -1); + + /* + * Setup MBUS dram target info. + */ + dove_mbus_dram_info.mbus_dram_target_id = TARGET_DDR; + + for (i = 0, cs = 0; i < 2; i++) { + u32 map = readl(ddr_map_sc(i)); + + /* + * Chip select enabled? + */ + if (map & 1) { + struct mbus_dram_window *w; + + w = &dove_mbus_dram_info.cs[cs++]; + w->cs_index = i; + w->mbus_attr = 0; /* CS address decoding done inside */ + /* the DDR controller, no need to */ + /* provide attributes */ + w->base = map & 0xff800000; + w->size = 0x100000 << (((map & 0x000f0000) >> 16) - 4); + } + } + dove_mbus_dram_info.num_cs = cs; +} diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c new file mode 100644 index 0000000..a20cf09 --- /dev/null +++ b/arch/arm/mach-dove/common.c @@ -0,0 +1,777 @@ +/* + * arch/arm/mach-dove/common.c + * + * Core functions for Marvell Dove 88AP510 System On Chip + * + * 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/kernel.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/pci.h> +#include <linux/serial_8250.h> +#include <linux/clk.h> +#include <linux/mbus.h> +#include <linux/mv643xx_eth.h> +#include <linux/mv643xx_i2c.h> +#include <linux/ata_platform.h> +#include <linux/spi/orion_spi.h> +#include <linux/gpio.h> +#include <asm/page.h> +#include <asm/setup.h> +#include <asm/timex.h> +#include <asm/mach/map.h> +#include <asm/mach/time.h> +#include <asm/mach/pci.h> +#include <mach/dove.h> +#include <mach/bridge-regs.h> +#include <asm/mach/arch.h> +#include <linux/irq.h> +#include <plat/mv_xor.h> +#include <plat/ehci-orion.h> +#include <plat/time.h> +#include "common.h" + +/***************************************************************************** + * I/O Address Mapping + ****************************************************************************/ +static struct map_desc dove_io_desc[] __initdata = { + { + .virtual = DOVE_SB_REGS_VIRT_BASE, + .pfn = __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE), + .length = DOVE_SB_REGS_SIZE, + .type = MT_DEVICE, + }, { + .virtual = DOVE_NB_REGS_VIRT_BASE, + .pfn = __phys_to_pfn(DOVE_NB_REGS_PHYS_BASE), + .length = DOVE_NB_REGS_SIZE, + .type = MT_DEVICE, + }, { + .virtual = DOVE_PCIE0_IO_VIRT_BASE, + .pfn = __phys_to_pfn(DOVE_PCIE0_IO_PHYS_BASE), + .length = DOVE_PCIE0_IO_SIZE, + .type = MT_DEVICE, + }, { + .virtual = DOVE_PCIE1_IO_VIRT_BASE, + .pfn = __phys_to_pfn(DOVE_PCIE1_IO_PHYS_BASE), + .length = DOVE_PCIE1_IO_SIZE, + .type = MT_DEVICE, + }, +}; + +void __init dove_map_io(void) +{ + iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc)); +} + +/***************************************************************************** + * EHCI + ****************************************************************************/ +static struct orion_ehci_data dove_ehci_data = { + .dram = &dove_mbus_dram_info, + .phy_version = EHCI_PHY_NA, +}; + +static u64 ehci_dmamask = DMA_BIT_MASK(32); + +/***************************************************************************** + * EHCI0 + ****************************************************************************/ +static struct resource dove_ehci0_resources[] = { + { + .start = DOVE_USB0_PHYS_BASE, + .end = DOVE_USB0_PHYS_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_DOVE_USB0, + .end = IRQ_DOVE_USB0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dove_ehci0 = { + .name = "orion-ehci", + .id = 0, + .dev = { + .dma_mask = &ehci_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &dove_ehci_data, + }, + .resource = dove_ehci0_resources, + .num_resources = ARRAY_SIZE(dove_ehci0_resources), +}; + +void __init dove_ehci0_init(void) +{ + platform_device_register(&dove_ehci0); +} + +/***************************************************************************** + * EHCI1 + ****************************************************************************/ +static struct resource dove_ehci1_resources[] = { + { + .start = DOVE_USB1_PHYS_BASE, + .end = DOVE_USB1_PHYS_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_DOVE_USB1, + .end = IRQ_DOVE_USB1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dove_ehci1 = { + .name = "orion-ehci", + .id = 1, + .dev = { + .dma_mask = &ehci_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &dove_ehci_data, + }, + .resource = dove_ehci1_resources, + .num_resources = ARRAY_SIZE(dove_ehci1_resources), +}; + +void __init dove_ehci1_init(void) +{ + platform_device_register(&dove_ehci1); +} + +/***************************************************************************** + * GE00 + ****************************************************************************/ +struct mv643xx_eth_shared_platform_data dove_ge00_shared_data = { + .t_clk = 0, + .dram = &dove_mbus_dram_info, +}; + +static struct resource dove_ge00_shared_resources[] = { + { + .name = "ge00 base", + .start = DOVE_GE00_PHYS_BASE + 0x2000, + .end = DOVE_GE00_PHYS_BASE + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device dove_ge00_shared = { + .name = MV643XX_ETH_SHARED_NAME, + .id = 0, + .dev = { + .platform_data = &dove_ge00_shared_data, + }, + .num_resources = 1, + .resource = dove_ge00_shared_resources, +}; + +static struct resource dove_ge00_resources[] = { + { + .name = "ge00 irq", + .start = IRQ_DOVE_GE00_SUM, + .end = IRQ_DOVE_GE00_SUM, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dove_ge00 = { + .name = MV643XX_ETH_NAME, + .id = 0, + .num_resources = 1, + .resource = dove_ge00_resources, + .dev = { + .coherent_dma_mask = 0xffffffff, + }, +}; + +void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data) +{ + eth_data->shared = &dove_ge00_shared; + dove_ge00.dev.platform_data = eth_data; + + platform_device_register(&dove_ge00_shared); + platform_device_register(&dove_ge00); +} + +/***************************************************************************** + * SoC RTC + ****************************************************************************/ +static struct resource dove_rtc_resource[] = { + { + .start = DOVE_RTC_PHYS_BASE, + .end = DOVE_RTC_PHYS_BASE + 32 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_DOVE_RTC, + .flags = IORESOURCE_IRQ, + } +}; + +void __init dove_rtc_init(void) +{ + platform_device_register_simple("rtc-mv", -1, dove_rtc_resource, 2); +} + +/***************************************************************************** + * SATA + ****************************************************************************/ +static struct resource dove_sata_resources[] = { + { + .name = "sata base", + .start = DOVE_SATA_PHYS_BASE, + .end = DOVE_SATA_PHYS_BASE + 0x5000 - 1, + .flags = IORESOURCE_MEM, + }, { + .name = "sata irq", + .start = IRQ_DOVE_SATA, + .end = IRQ_DOVE_SATA, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dove_sata = { + .name = "sata_mv", + .id = 0, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(dove_sata_resources), + .resource = dove_sata_resources, +}; + +void __init dove_sata_init(struct mv_sata_platform_data *sata_data) +{ + sata_data->dram = &dove_mbus_dram_info; + dove_sata.dev.platform_data = sata_data; + platform_device_register(&dove_sata); +} + +/***************************************************************************** + * UART0 + ****************************************************************************/ +static struct plat_serial8250_port dove_uart0_data[] = { + { + .mapbase = DOVE_UART0_PHYS_BASE, + .membase = (char *)DOVE_UART0_VIRT_BASE, + .irq = IRQ_DOVE_UART_0, + .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = 0, + }, { + }, +}; + +static struct resource dove_uart0_resources[] = { + { + .start = DOVE_UART0_PHYS_BASE, + .end = DOVE_UART0_PHYS_BASE + SZ_256 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_DOVE_UART_0, + .end = IRQ_DOVE_UART_0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dove_uart0 = { + .name = "serial8250", + .id = 0, + .dev = { + .platform_data = dove_uart0_data, + }, + .resource = dove_uart0_resources, + .num_resources = ARRAY_SIZE(dove_uart0_resources), +}; + +void __init dove_uart0_init(void) +{ + platform_device_register(&dove_uart0); +} + +/***************************************************************************** + * UART1 + ****************************************************************************/ +static struct plat_serial8250_port dove_uart1_data[] = { + { + .mapbase = DOVE_UART1_PHYS_BASE, + .membase = (char *)DOVE_UART1_VIRT_BASE, + .irq = IRQ_DOVE_UART_1, + .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = 0, + }, { + }, +}; + +static struct resource dove_uart1_resources[] = { + { + .start = DOVE_UART1_PHYS_BASE, + .end = DOVE_UART1_PHYS_BASE + SZ_256 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_DOVE_UART_1, + .end = IRQ_DOVE_UART_1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dove_uart1 = { + .name = "serial8250", + .id = 1, + .dev = { + .platform_data = dove_uart1_data, + }, + .resource = dove_uart1_resources, + .num_resources = ARRAY_SIZE(dove_uart1_resources), +}; + +void __init dove_uart1_init(void) +{ + platform_device_register(&dove_uart1); +} + +/***************************************************************************** + * UART2 + ****************************************************************************/ +static struct plat_serial8250_port dove_uart2_data[] = { + { + .mapbase = DOVE_UART2_PHYS_BASE, + .membase = (char *)DOVE_UART2_VIRT_BASE, + .irq = IRQ_DOVE_UART_2, + .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = 0, + }, { + }, +}; + +static struct resource dove_uart2_resources[] = { + { + .start = DOVE_UART2_PHYS_BASE, + .end = DOVE_UART2_PHYS_BASE + SZ_256 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_DOVE_UART_2, + .end = IRQ_DOVE_UART_2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dove_uart2 = { + .name = "serial8250", + .id = 2, + .dev = { + .platform_data = dove_uart2_data, + }, + .resource = dove_uart2_resources, + .num_resources = ARRAY_SIZE(dove_uart2_resources), +}; + +void __init dove_uart2_init(void) +{ + platform_device_register(&dove_uart2); +} + +/***************************************************************************** + * UART3 + ****************************************************************************/ +static struct plat_serial8250_port dove_uart3_data[] = { + { + .mapbase = DOVE_UART3_PHYS_BASE, + .membase = (char *)DOVE_UART3_VIRT_BASE, + .irq = IRQ_DOVE_UART_3, + .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = 0, + }, { + }, +}; + +static struct resource dove_uart3_resources[] = { + { + .start = DOVE_UART3_PHYS_BASE, + .end = DOVE_UART3_PHYS_BASE + SZ_256 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_DOVE_UART_3, + .end = IRQ_DOVE_UART_3, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dove_uart3 = { + .name = "serial8250", + .id = 3, + .dev = { + .platform_data = dove_uart3_data, + }, + .resource = dove_uart3_resources, + .num_resources = ARRAY_SIZE(dove_uart3_resources), +}; + +void __init dove_uart3_init(void) +{ + platform_device_register(&dove_uart3); +} + +/***************************************************************************** + * SPI0 + ****************************************************************************/ +static struct orion_spi_info dove_spi0_data = { + .tclk = 0, +}; + +static struct resource dove_spi0_resources[] = { + { + .start = DOVE_SPI0_PHYS_BASE, + .end = DOVE_SPI0_PHYS_BASE + SZ_512 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_DOVE_SPI0, + .end = IRQ_DOVE_SPI0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dove_spi0 = { + .name = "orion_spi", + .id = 0, + .resource = dove_spi0_resources, + .dev = { + .platform_data = &dove_spi0_data, + }, + .num_resources = ARRAY_SIZE(dove_spi0_resources), +}; + +void __init dove_spi0_init(void) +{ + platform_device_register(&dove_spi0); +} + +/***************************************************************************** + * SPI1 + ****************************************************************************/ +static struct orion_spi_info dove_spi1_data = { + .tclk = 0, +}; + +static struct resource dove_spi1_resources[] = { + { + .start = DOVE_SPI1_PHYS_BASE, + .end = DOVE_SPI1_PHYS_BASE + SZ_512 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_DOVE_SPI1, + .end = IRQ_DOVE_SPI1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dove_spi1 = { + .name = "orion_spi", + .id = 1, + .resource = dove_spi1_resources, + .dev = { + .platform_data = &dove_spi1_data, + }, + .num_resources = ARRAY_SIZE(dove_spi1_resources), +}; + +void __init dove_spi1_init(void) +{ + platform_device_register(&dove_spi1); +} + +/***************************************************************************** + * I2C + ****************************************************************************/ +static struct mv64xxx_i2c_pdata dove_i2c_data = { + .freq_m = 10, /* assumes 166 MHz TCLK gets 94.3kHz */ + .freq_n = 3, + .timeout = 1000, /* Default timeout of 1 second */ +}; + +static struct resource dove_i2c_resources[] = { + { + .name = "i2c base", + .start = DOVE_I2C_PHYS_BASE, + .end = DOVE_I2C_PHYS_BASE + 0x20 - 1, + .flags = IORESOURCE_MEM, + }, { + .name = "i2c irq", + .start = IRQ_DOVE_I2C, + .end = IRQ_DOVE_I2C, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dove_i2c = { + .name = MV64XXX_I2C_CTLR_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(dove_i2c_resources), + .resource = dove_i2c_resources, + .dev = { + .platform_data = &dove_i2c_data, + }, +}; + +void __init dove_i2c_init(void) +{ + platform_device_register(&dove_i2c); +} + +/***************************************************************************** + * Time handling + ****************************************************************************/ +static int get_tclk(void) +{ + /* use DOVE_RESET_SAMPLE_HI/LO to detect tclk */ + return 166666667; +} + +static void dove_timer_init(void) +{ + orion_time_init(IRQ_DOVE_BRIDGE, get_tclk()); +} + +struct sys_timer dove_timer = { + .init = dove_timer_init, +}; + +/***************************************************************************** + * XOR + ****************************************************************************/ +static struct mv_xor_platform_shared_data dove_xor_shared_data = { + .dram = &dove_mbus_dram_info, +}; + +/***************************************************************************** + * XOR 0 + ****************************************************************************/ +static u64 dove_xor0_dmamask = DMA_BIT_MASK(32); + +static struct resource dove_xor0_shared_resources[] = { + { + .name = "xor 0 low", + .start = DOVE_XOR0_PHYS_BASE, + .end = DOVE_XOR0_PHYS_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, { + .name = "xor 0 high", + .start = DOVE_XOR0_HIGH_PHYS_BASE, + .end = DOVE_XOR0_HIGH_PHYS_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device dove_xor0_shared = { + .name = MV_XOR_SHARED_NAME, + .id = 0, + .dev = { + .platform_data = &dove_xor_shared_data, + }, + .num_resources = ARRAY_SIZE(dove_xor0_shared_resources), + .resource = dove_xor0_shared_resources, +}; + +static struct resource dove_xor00_resources[] = { + [0] = { + .start = IRQ_DOVE_XOR_00, + .end = IRQ_DOVE_XOR_00, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mv_xor_platform_data dove_xor00_data = { + .shared = &dove_xor0_shared, + .hw_id = 0, + .pool_size = PAGE_SIZE, +}; + +static struct platform_device dove_xor00_channel = { + .name = MV_XOR_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(dove_xor00_resources), + .resource = dove_xor00_resources, + .dev = { + .dma_mask = &dove_xor0_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(64), + .platform_data = (void *)&dove_xor00_data, + }, +}; + +static struct resource dove_xor01_resources[] = { + [0] = { + .start = IRQ_DOVE_XOR_01, + .end = IRQ_DOVE_XOR_01, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mv_xor_platform_data dove_xor01_data = { + .shared = &dove_xor0_shared, + .hw_id = 1, + .pool_size = PAGE_SIZE, +}; + +static struct platform_device dove_xor01_channel = { + .name = MV_XOR_NAME, + .id = 1, + .num_resources = ARRAY_SIZE(dove_xor01_resources), + .resource = dove_xor01_resources, + .dev = { + .dma_mask = &dove_xor0_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(64), + .platform_data = (void *)&dove_xor01_data, + }, +}; + +void __init dove_xor0_init(void) +{ + platform_device_register(&dove_xor0_shared); + + /* + * two engines can't do memset simultaneously, this limitation + * satisfied by removing memset support from one of the engines. + */ + dma_cap_set(DMA_MEMCPY, dove_xor00_data.cap_mask); + dma_cap_set(DMA_XOR, dove_xor00_data.cap_mask); + platform_device_register(&dove_xor00_channel); + + dma_cap_set(DMA_MEMCPY, dove_xor01_data.cap_mask); + dma_cap_set(DMA_MEMSET, dove_xor01_data.cap_mask); + dma_cap_set(DMA_XOR, dove_xor01_data.cap_mask); + platform_device_register(&dove_xor01_channel); +} + +/***************************************************************************** + * XOR 1 + ****************************************************************************/ +static u64 dove_xor1_dmamask = DMA_BIT_MASK(32); + +static struct resource dove_xor1_shared_resources[] = { + { + .name = "xor 0 low", + .start = DOVE_XOR1_PHYS_BASE, + .end = DOVE_XOR1_PHYS_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, { + .name = "xor 0 high", + .start = DOVE_XOR1_HIGH_PHYS_BASE, + .end = DOVE_XOR1_HIGH_PHYS_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device dove_xor1_shared = { + .name = MV_XOR_SHARED_NAME, + .id = 1, + .dev = { + .platform_data = &dove_xor_shared_data, + }, + .num_resources = ARRAY_SIZE(dove_xor1_shared_resources), + .resource = dove_xor1_shared_resources, +}; + +static struct resource dove_xor10_resources[] = { + [0] = { + .start = IRQ_DOVE_XOR_10, + .end = IRQ_DOVE_XOR_10, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mv_xor_platform_data dove_xor10_data = { + .shared = &dove_xor1_shared, + .hw_id = 0, + .pool_size = PAGE_SIZE, +}; + +static struct platform_device dove_xor10_channel = { + .name = MV_XOR_NAME, + .id = 2, + .num_resources = ARRAY_SIZE(dove_xor10_resources), + .resource = dove_xor10_resources, + .dev = { + .dma_mask = &dove_xor1_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(64), + .platform_data = (void *)&dove_xor10_data, + }, +}; + +static struct resource dove_xor11_resources[] = { + [0] = { + .start = IRQ_DOVE_XOR_11, + .end = IRQ_DOVE_XOR_11, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mv_xor_platform_data dove_xor11_data = { + .shared = &dove_xor1_shared, + .hw_id = 1, + .pool_size = PAGE_SIZE, +}; + +static struct platform_device dove_xor11_channel = { + .name = MV_XOR_NAME, + .id = 3, + .num_resources = ARRAY_SIZE(dove_xor11_resources), + .resource = dove_xor11_resources, + .dev = { + .dma_mask = &dove_xor1_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(64), + .platform_data = (void *)&dove_xor11_data, + }, +}; + +void __init dove_xor1_init(void) +{ + platform_device_register(&dove_xor1_shared); + + /* + * two engines can't do memset simultaneously, this limitation + * satisfied by removing memset support from one of the engines. + */ + dma_cap_set(DMA_MEMCPY, dove_xor10_data.cap_mask); + dma_cap_set(DMA_XOR, dove_xor10_data.cap_mask); + platform_device_register(&dove_xor10_channel); + + dma_cap_set(DMA_MEMCPY, dove_xor11_data.cap_mask); + dma_cap_set(DMA_MEMSET, dove_xor11_data.cap_mask); + dma_cap_set(DMA_XOR, dove_xor11_data.cap_mask); + platform_device_register(&dove_xor11_channel); +} + +void __init dove_init(void) +{ + int tclk; + + tclk = get_tclk(); + + printk(KERN_INFO "Dove 88AP510 SoC, "); + printk(KERN_INFO "TCLK = %dMHz\n", (tclk + 499999) / 1000000); + + dove_setup_cpu_mbus(); + + dove_ge00_shared_data.t_clk = tclk; + dove_uart0_data[0].uartclk = tclk; + dove_uart1_data[0].uartclk = tclk; + dove_uart2_data[0].uartclk = tclk; + dove_uart3_data[0].uartclk = tclk; + dove_spi0_data.tclk = tclk; + dove_spi1_data.tclk = tclk; + + /* internal devices that every board has */ + dove_rtc_init(); + dove_xor0_init(); + dove_xor1_init(); +} diff --git a/arch/arm/mach-dove/common.h b/arch/arm/mach-dove/common.h new file mode 100644 index 0000000..b29e893 --- /dev/null +++ b/arch/arm/mach-dove/common.h @@ -0,0 +1,40 @@ +/* + * arch/arm/mach-dove/common.h + * + * Core functions for Marvell Dove 88AP510 System On Chip + * + * 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. + */ + +#ifndef __ARCH_DOVE_COMMON_H +#define __ARCH_DOVE_COMMON_H + +struct mv643xx_eth_platform_data; +struct mv_sata_platform_data; + +extern struct sys_timer dove_timer; +extern struct mbus_dram_target_info dove_mbus_dram_info; + +/* + * Basic Dove init functions used early by machine-setup. + */ +void dove_map_io(void); +void dove_init(void); +void dove_init_irq(void); +void dove_setup_cpu_mbus(void); +void dove_ge00_init(struct mv643xx_eth_platform_data *eth_data); +void dove_sata_init(struct mv_sata_platform_data *sata_data); +void dove_pcie_init(int init_port0, int init_port1); +void dove_ehci0_init(void); +void dove_ehci1_init(void); +void dove_uart0_init(void); +void dove_uart1_init(void); +void dove_uart2_init(void); +void dove_uart3_init(void); +void dove_spi0_init(void); +void dove_spi1_init(void); +void dove_i2c_init(void); + +#endif diff --git a/arch/arm/mach-dove/dove-db-setup.c b/arch/arm/mach-dove/dove-db-setup.c new file mode 100644 index 0000000..f2971b7 --- /dev/null +++ b/arch/arm/mach-dove/dove-db-setup.c @@ -0,0 +1,102 @@ +/* + * arch/arm/mach-dove/dove-db-setup.c + * + * Marvell DB-MV88AP510-BP Development Board Setup + * + * 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/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/irq.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/nand.h> +#include <linux/timer.h> +#include <linux/ata_platform.h> +#include <linux/mv643xx_eth.h> +#include <linux/i2c.h> +#include <linux/pci.h> +#include <linux/spi/spi.h> +#include <linux/spi/orion_spi.h> +#include <linux/spi/flash.h> +#include <linux/gpio.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <mach/dove.h> +#include "common.h" + +static struct mv643xx_eth_platform_data dove_db_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR_DEFAULT, +}; + +static struct mv_sata_platform_data dove_db_sata_data = { + .n_ports = 1, +}; + +/***************************************************************************** + * SPI Devices: + * SPI0: 4M Flash ST-M25P32-VMF6P + ****************************************************************************/ +static const struct flash_platform_data dove_db_spi_flash_data = { + .type = "m25p64", +}; + +static struct spi_board_info __initdata dove_db_spi_flash_info[] = { + { + .modalias = "m25p80", + .platform_data = &dove_db_spi_flash_data, + .irq = -1, + .max_speed_hz = 20000000, + .bus_num = 0, + .chip_select = 0, + }, +}; + +/***************************************************************************** + * PCI + ****************************************************************************/ +static int __init dove_db_pci_init(void) +{ + if (machine_is_dove_db()) + dove_pcie_init(1, 1); + + return 0; +} + +subsys_initcall(dove_db_pci_init); + +/***************************************************************************** + * Board Init + ****************************************************************************/ +static void __init dove_db_init(void) +{ + /* + * Basic Dove setup. Needs to be called early. + */ + dove_init(); + + dove_ge00_init(&dove_db_ge00_data); + dove_ehci0_init(); + dove_ehci1_init(); + dove_sata_init(&dove_db_sata_data); + dove_spi0_init(); + dove_spi1_init(); + dove_uart0_init(); + dove_uart1_init(); + dove_i2c_init(); + spi_register_board_info(dove_db_spi_flash_info, + ARRAY_SIZE(dove_db_spi_flash_info)); +} + +MACHINE_START(DOVE_DB, "Marvell DB-MV88AP510-BP Development Board") + .phys_io = DOVE_SB_REGS_PHYS_BASE, + .io_pg_offst = ((DOVE_SB_REGS_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = 0x00000100, + .init_machine = dove_db_init, + .map_io = dove_map_io, + .init_irq = dove_init_irq, + .timer = &dove_timer, +MACHINE_END diff --git a/arch/arm/mach-dove/include/mach/bridge-regs.h b/arch/arm/mach-dove/include/mach/bridge-regs.h new file mode 100644 index 0000000..214a4c3 --- /dev/null +++ b/arch/arm/mach-dove/include/mach/bridge-regs.h @@ -0,0 +1,58 @@ +/* + * arch/arm/mach-dove/include/mach/bridge-regs.h + * + * Mbus-L to Mbus Bridge Registers + * + * 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. + */ + +#ifndef __ASM_ARCH_BRIDGE_REGS_H +#define __ASM_ARCH_BRIDGE_REGS_H + +#include <mach/dove.h> + +#define CPU_CONFIG (BRIDGE_VIRT_BASE | 0x0000) + +#define CPU_CONTROL (BRIDGE_VIRT_BASE | 0x0104) +#define CPU_CTRL_PCIE0_LINK 0x00000001 +#define CPU_RESET 0x00000002 +#define CPU_CTRL_PCIE1_LINK 0x00000008 + +#define RSTOUTn_MASK (BRIDGE_VIRT_BASE | 0x0108) +#define SOFT_RESET_OUT_EN 0x00000004 + +#define SYSTEM_SOFT_RESET (BRIDGE_VIRT_BASE | 0x010c) +#define SOFT_RESET 0x00000001 + +#define BRIDGE_CAUSE (BRIDGE_VIRT_BASE | 0x0110) +#define BRIDGE_MASK (BRIDGE_VIRT_BASE | 0x0114) +#define BRIDGE_INT_TIMER0 0x0002 +#define BRIDGE_INT_TIMER1 0x0004 +#define BRIDGE_INT_TIMER1_CLR (~0x0004) + +#define IRQ_VIRT_BASE (BRIDGE_VIRT_BASE | 0x0200) +#define IRQ_CAUSE_LOW_OFF 0x0000 +#define IRQ_MASK_LOW_OFF 0x0004 +#define FIQ_MASK_LOW_OFF 0x0008 +#define ENDPOINT_MASK_LOW_OFF 0x000c +#define IRQ_CAUSE_HIGH_OFF 0x0010 +#define IRQ_MASK_HIGH_OFF 0x0014 +#define FIQ_MASK_HIGH_OFF 0x0018 +#define ENDPOINT_MASK_HIGH_OFF 0x001c +#define PCIE_INTERRUPT_MASK_OFF 0x0020 + +#define IRQ_MASK_LOW (IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF) +#define FIQ_MASK_LOW (IRQ_VIRT_BASE + FIQ_MASK_LOW_OFF) +#define ENDPOINT_MASK_LOW (IRQ_VIRT_BASE + ENDPOINT_MASK_LOW_OFF) +#define IRQ_MASK_HIGH (IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF) +#define FIQ_MASK_HIGH (IRQ_VIRT_BASE + FIQ_MASK_HIGH_OFF) +#define ENDPOINT_MASK_HIGH (IRQ_VIRT_BASE + ENDPOINT_MASK_HIGH_OFF) +#define PCIE_INTERRUPT_MASK (IRQ_VIRT_BASE + PCIE_INTERRUPT_MASK_OFF) + +#define POWER_MANAGEMENT (BRIDGE_VIRT_BASE | 0x011c) + +#define TIMER_VIRT_BASE (BRIDGE_VIRT_BASE | 0x0300) + +#endif diff --git a/arch/arm/mach-dove/include/mach/debug-macro.S b/arch/arm/mach-dove/include/mach/debug-macro.S new file mode 100644 index 0000000..9b89ec7 --- /dev/null +++ b/arch/arm/mach-dove/include/mach/debug-macro.S @@ -0,0 +1,20 @@ +/* + * arch/arm/mach-dove/include/mach/debug-macro.S + * + * 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. +*/ + +#include <mach/bridge-regs.h> + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + ldreq \rx, =DOVE_SB_REGS_PHYS_BASE + ldrne \rx, =DOVE_SB_REGS_VIRT_BASE + orr \rx, \rx, #0x00012000 + .endm + +#define UART_SHIFT 2 +#include <asm/hardware/debug-8250.S> diff --git a/arch/arm/mach-dove/include/mach/dove.h b/arch/arm/mach-dove/include/mach/dove.h new file mode 100644 index 0000000..f6a0839 --- /dev/null +++ b/arch/arm/mach-dove/include/mach/dove.h @@ -0,0 +1,180 @@ +/* + * arch/arm/mach-dove/include/mach/dove.h + * + * Generic definitions for Marvell Dove 88AP510 SoC + * + * 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. + */ + +#ifndef __ASM_ARCH_DOVE_H +#define __ASM_ARCH_DOVE_H + +#include <mach/vmalloc.h> + +/* + * Marvell Dove address maps. + * + * phys virt size + * c8000000 fdb00000 1M Cryptographic SRAM + * e0000000 @runtime 128M PCIe-0 Memory space + * e8000000 @runtime 128M PCIe-1 Memory space + * f1000000 fde00000 8M on-chip south-bridge registers + * f1800000 fe600000 8M on-chip north-bridge registers + * f2000000 fee00000 1M PCIe-0 I/O space + * f2100000 fef00000 1M PCIe-1 I/O space + */ + +#define DOVE_CESA_PHYS_BASE 0xc8000000 +#define DOVE_CESA_VIRT_BASE 0xfdb00000 +#define DOVE_CESA_SIZE SZ_1M + +#define DOVE_PCIE0_MEM_PHYS_BASE 0xe0000000 +#define DOVE_PCIE0_MEM_SIZE SZ_128M + +#define DOVE_PCIE1_MEM_PHYS_BASE 0xe8000000 +#define DOVE_PCIE1_MEM_SIZE SZ_128M + +#define DOVE_BOOTROM_PHYS_BASE 0xf8000000 +#define DOVE_BOOTROM_SIZE SZ_128M + +#define DOVE_SCRATCHPAD_PHYS_BASE 0xf0000000 +#define DOVE_SCRATCHPAD_VIRT_BASE 0xfdd00000 +#define DOVE_SCRATCHPAD_SIZE SZ_1M + +#define DOVE_SB_REGS_PHYS_BASE 0xf1000000 +#define DOVE_SB_REGS_VIRT_BASE 0xfde00000 +#define DOVE_SB_REGS_SIZE SZ_8M + +#define DOVE_NB_REGS_PHYS_BASE 0xf1800000 +#define DOVE_NB_REGS_VIRT_BASE 0xfe600000 +#define DOVE_NB_REGS_SIZE SZ_8M + +#define DOVE_PCIE0_IO_PHYS_BASE 0xf2000000 +#define DOVE_PCIE0_IO_VIRT_BASE 0xfee00000 +#define DOVE_PCIE0_IO_BUS_BASE 0x00000000 +#define DOVE_PCIE0_IO_SIZE SZ_1M + +#define DOVE_PCIE1_IO_PHYS_BASE 0xf2100000 +#define DOVE_PCIE1_IO_VIRT_BASE 0xfef00000 +#define DOVE_PCIE1_IO_BUS_BASE 0x00100000 +#define DOVE_PCIE1_IO_SIZE SZ_1M + +/* + * Dove Core Registers Map + */ + +/* SPI, I2C, UART */ +#define DOVE_I2C_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x11000) +#define DOVE_UART0_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x12000) +#define DOVE_UART0_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0x12000) +#define DOVE_UART1_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x12100) +#define DOVE_UART1_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0x12100) +#define DOVE_UART2_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x12200) +#define DOVE_UART2_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0x12200) +#define DOVE_UART3_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x12300) +#define DOVE_UART3_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0x12300) +#define DOVE_SPI0_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x10600) +#define DOVE_SPI1_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x14600) + +/* North-South Bridge */ +#define BRIDGE_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0x20000) + +/* Cryptographic Engine */ +#define DOVE_CRYPT_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x30000) + +/* PCIe 0 */ +#define DOVE_PCIE0_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0x40000) + +/* USB */ +#define DOVE_USB0_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x50000) +#define DOVE_USB1_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x51000) + +/* XOR 0 Engine */ +#define DOVE_XOR0_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x60800) +#define DOVE_XOR0_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0x60800) +#define DOVE_XOR0_HIGH_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x60A00) +#define DOVE_XOR0_HIGH_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0x60A00) + +/* XOR 1 Engine */ +#define DOVE_XOR1_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x60900) +#define DOVE_XOR1_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0x60900) +#define DOVE_XOR1_HIGH_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x60B00) +#define DOVE_XOR1_HIGH_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0x60B00) + +/* Gigabit Ethernet */ +#define DOVE_GE00_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x70000) + +/* PCIe 1 */ +#define DOVE_PCIE1_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0x80000) + +/* CAFE */ +#define DOVE_SDIO0_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x92000) +#define DOVE_SDIO1_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x90000) +#define DOVE_CAM_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x94000) +#define DOVE_CAFE_WIN_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0x98000) + +/* SATA */ +#define DOVE_SATA_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0xa0000) + +/* I2S/SPDIF */ +#define DOVE_AUD0_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0xb0000) +#define DOVE_AUD1_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0xb4000) + +/* NAND Flash Controller */ +#define DOVE_NFC_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0xc0000) + +/* MPP, GPIO, Reset Sampling */ +#define DOVE_MPP_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0xd0200) +#define DOVE_PMU_MPP_GENERAL_CTRL (DOVE_MPP_VIRT_BASE + 0x10) +#define DOVE_RESET_SAMPLE_LO (DOVE_MPP_VIRT_BASE | 0x014) +#define DOVE_RESET_SAMPLE_HI (DOVE_MPP_VIRT_BASE | 0x018) +#define DOVE_GPIO_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0xd0400) +#define DOVE_MPP_GENERAL_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0xe803c) +#define DOVE_AU1_SPDIFO_GPIO_EN (1 << 1) +#define DOVE_NAND_GPIO_EN (1 << 0) +#define DOVE_MPP_CTRL4_VIRT_BASE (DOVE_GPIO_VIRT_BASE + 0x40) + + +/* Power Management */ +#define DOVE_PMU_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0xd0000) + +/* Real Time Clock */ +#define DOVE_RTC_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0xd8500) + +/* AC97 */ +#define DOVE_AC97_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0xe0000) +#define DOVE_AC97_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0xe0000) + +/* Peripheral DMA */ +#define DOVE_PDMA_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0xe4000) +#define DOVE_PDMA_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0xe4000) + +#define DOVE_GLOBAL_CONFIG_1 (DOVE_SB_REGS_VIRT_BASE | 0xe802C) +#define DOVE_TWSI_ENABLE_OPTION1 (1 << 7) +#define DOVE_GLOBAL_CONFIG_2 (DOVE_SB_REGS_VIRT_BASE | 0xe8030) +#define DOVE_TWSI_ENABLE_OPTION2 (1 << 20) +#define DOVE_TWSI_ENABLE_OPTION3 (1 << 21) +#define DOVE_TWSI_OPTION3_GPIO (1 << 22) +#define DOVE_SSP_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0xec000) +#define DOVE_SSP_CTRL_STATUS_1 (DOVE_SB_REGS_VIRT_BASE | 0xe8034) +#define DOVE_SSP_ON_AU1 (1 << 0) +#define DOVE_SSP_CLOCK_ENABLE (1 << 1) +#define DOVE_SSP_BPB_CLOCK_SRC_SSP (1 << 11) +/* Memory Controller */ +#define DOVE_MC_VIRT_BASE (DOVE_NB_REGS_VIRT_BASE | 0x00000) + +/* LCD Controller */ +#define DOVE_LCD_PHYS_BASE (DOVE_NB_REGS_PHYS_BASE | 0x10000) +#define DOVE_LCD1_PHYS_BASE (DOVE_NB_REGS_PHYS_BASE | 0x20000) +#define DOVE_LCD2_PHYS_BASE (DOVE_NB_REGS_PHYS_BASE | 0x10000) +#define DOVE_LCD_DCON_PHYS_BASE (DOVE_NB_REGS_PHYS_BASE | 0x30000) + +/* Graphic Engine */ +#define DOVE_GPU_PHYS_BASE (DOVE_NB_REGS_PHYS_BASE | 0x40000) + +/* Video Engine */ +#define DOVE_VPU_PHYS_BASE (DOVE_NB_REGS_PHYS_BASE | 0x400000) + +#endif diff --git a/arch/arm/mach-dove/include/mach/entry-macro.S b/arch/arm/mach-dove/include/mach/entry-macro.S new file mode 100644 index 0000000..e84c78c --- /dev/null +++ b/arch/arm/mach-dove/include/mach/entry-macro.S @@ -0,0 +1,39 @@ +/* + * arch/arm/mach-dove/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for Marvell Dove platforms + * + * 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 <mach/bridge-regs.h> + + .macro disable_fiq + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =IRQ_VIRT_BASE + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + @ check low interrupts + ldr \irqstat, [\base, #IRQ_CAUSE_LOW_OFF] + ldr \tmp, [\base, #IRQ_MASK_LOW_OFF] + mov \irqnr, #31 + ands \irqstat, \irqstat, \tmp + + @ if no low interrupts set, check high interrupts + ldreq \irqstat, [\base, #IRQ_CAUSE_HIGH_OFF] + ldreq \tmp, [\base, #IRQ_MASK_HIGH_OFF] + moveq \irqnr, #63 + andeqs \irqstat, \irqstat, \tmp + + @ find first active interrupt source + clzne \irqstat, \irqstat + subne \irqnr, \irqnr, \irqstat + .endm diff --git a/arch/arm/mach-dove/include/mach/gpio.h b/arch/arm/mach-dove/include/mach/gpio.h new file mode 100644 index 0000000..0ee70ff --- /dev/null +++ b/arch/arm/mach-dove/include/mach/gpio.h @@ -0,0 +1,49 @@ +/* + * arch/arm/mach-dove/include/mach/gpio.h + * + * 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. + */ + +#ifndef __ASM_ARCH_GPIO_H +#define __ASM_ARCH_GPIO_H + +#include <asm/errno.h> +#include <mach/irqs.h> +#include <plat/gpio.h> +#include <asm-generic/gpio.h> /* cansleep wrappers */ + +#define GPIO_MAX 64 + +#define GPIO_BASE_LO (DOVE_GPIO_VIRT_BASE + 0x00) +#define GPIO_BASE_HI (DOVE_GPIO_VIRT_BASE + 0x20) + +#define GPIO_BASE(pin) ((pin < 32) ? GPIO_BASE_LO : GPIO_BASE_HI) + +#define GPIO_OUT(pin) (GPIO_BASE(pin) + 0x00) +#define GPIO_IO_CONF(pin) (GPIO_BASE(pin) + 0x04) +#define GPIO_BLINK_EN(pin) (GPIO_BASE(pin) + 0x08) +#define GPIO_IN_POL(pin) (GPIO_BASE(pin) + 0x0c) +#define GPIO_DATA_IN(pin) (GPIO_BASE(pin) + 0x10) +#define GPIO_EDGE_CAUSE(pin) (GPIO_BASE(pin) + 0x14) +#define GPIO_EDGE_MASK(pin) (GPIO_BASE(pin) + 0x18) +#define GPIO_LEVEL_MASK(pin) (GPIO_BASE(pin) + 0x1c) + +static inline int gpio_to_irq(int pin) +{ + if (pin < NR_GPIO_IRQS) + return pin + IRQ_DOVE_GPIO_START; + + return -EINVAL; +} + +static inline int irq_to_gpio(int irq) +{ + if (IRQ_DOVE_GPIO_START < irq && irq < NR_IRQS) + return irq - IRQ_DOVE_GPIO_START; + + return -EINVAL; +} + +#endif diff --git a/arch/arm/mach-dove/include/mach/hardware.h b/arch/arm/mach-dove/include/mach/hardware.h new file mode 100644 index 0000000..32b0826 --- /dev/null +++ b/arch/arm/mach-dove/include/mach/hardware.h @@ -0,0 +1,26 @@ +/* + * arch/arm/mach-dove/include/mach/hardware.h + * + * 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. + */ + +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#include "dove.h" + +#define pcibios_assign_all_busses() 1 + +#define PCIBIOS_MIN_IO 0x1000 +#define PCIBIOS_MIN_MEM 0x01000000 +#define PCIMEM_BASE DOVE_PCIE0_MEM_PHYS_BASE + + +/* Macros below are required for compatibility with PXA AC'97 driver. */ +#define __REG(x) (*((volatile u32 *)((x) - DOVE_SB_REGS_PHYS_BASE + \ + DOVE_SB_REGS_VIRT_BASE))) +#define __PREG(x) (((u32)&(x)) - DOVE_SB_REGS_VIRT_BASE + \ + DOVE_SB_REGS_PHYS_BASE) +#endif diff --git a/arch/arm/mach-dove/include/mach/io.h b/arch/arm/mach-dove/include/mach/io.h new file mode 100644 index 0000000..3b3e472 --- /dev/null +++ b/arch/arm/mach-dove/include/mach/io.h @@ -0,0 +1,20 @@ +/* + * arch/arm/mach-dove/include/mach/io.h + * + * 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. + */ + +#ifndef __ASM_ARCH_IO_H +#define __ASM_ARCH_IO_H + +#include "dove.h" + +#define IO_SPACE_LIMIT 0xffffffff + +#define __io(a) ((void __iomem *)(((a) - DOVE_PCIE0_IO_PHYS_BASE) +\ + DOVE_PCIE0_IO_VIRT_BASE)) +#define __mem_pci(a) (a) + +#endif diff --git a/arch/arm/mach-dove/include/mach/irqs.h b/arch/arm/mach-dove/include/mach/irqs.h new file mode 100644 index 0000000..4668146 --- /dev/null +++ b/arch/arm/mach-dove/include/mach/irqs.h @@ -0,0 +1,101 @@ +/* + * arch/arm/mach-dove/include/mach/irqs.h + * + * IRQ definitions for Marvell Dove 88AP510 SoC + * + * 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. + */ + +#ifndef __ASM_ARCH_IRQS_H +#define __ASM_ARCH_IRQS_H + +/* + * Dove Low Interrupt Controller + */ +#define IRQ_DOVE_BRIDGE 0 +#define IRQ_DOVE_H2C 1 +#define IRQ_DOVE_C2H 2 +#define IRQ_DOVE_NAND 3 +#define IRQ_DOVE_PDMA 4 +#define IRQ_DOVE_SPI1 5 +#define IRQ_DOVE_SPI0 6 +#define IRQ_DOVE_UART_0 7 +#define IRQ_DOVE_UART_1 8 +#define IRQ_DOVE_UART_2 9 +#define IRQ_DOVE_UART_3 10 +#define IRQ_DOVE_I2C 11 +#define IRQ_DOVE_GPIO_0_7 12 +#define IRQ_DOVE_GPIO_8_15 13 +#define IRQ_DOVE_GPIO_16_23 14 +#define IRQ_DOVE_PCIE0_ERR 15 +#define IRQ_DOVE_PCIE0 16 +#define IRQ_DOVE_PCIE1_ERR 17 +#define IRQ_DOVE_PCIE1 18 +#define IRQ_DOVE_I2S0 19 +#define IRQ_DOVE_I2S0_ERR 20 +#define IRQ_DOVE_I2S1 21 +#define IRQ_DOVE_I2S1_ERR 22 +#define IRQ_DOVE_USB_ERR 23 +#define IRQ_DOVE_USB0 24 +#define IRQ_DOVE_USB1 25 +#define IRQ_DOVE_GE00_RX 26 +#define IRQ_DOVE_GE00_TX 27 +#define IRQ_DOVE_GE00_MISC 28 +#define IRQ_DOVE_GE00_SUM 29 +#define IRQ_DOVE_GE00_ERR 30 +#define IRQ_DOVE_CRYPTO 31 + +/* + * Dove High Interrupt Controller + */ +#define IRQ_DOVE_AC97 32 +#define IRQ_DOVE_PMU 33 +#define IRQ_DOVE_CAM 34 +#define IRQ_DOVE_SDIO0 35 +#define IRQ_DOVE_SDIO1 36 +#define IRQ_DOVE_SDIO0_WAKEUP 37 +#define IRQ_DOVE_SDIO1_WAKEUP 38 +#define IRQ_DOVE_XOR_00 39 +#define IRQ_DOVE_XOR_01 40 +#define IRQ_DOVE_XOR0_ERR 41 +#define IRQ_DOVE_XOR_10 42 +#define IRQ_DOVE_XOR_11 43 +#define IRQ_DOVE_XOR1_ERR 44 +#define IRQ_DOVE_LCD_DCON 45 +#define IRQ_DOVE_LCD1 46 +#define IRQ_DOVE_LCD0 47 +#define IRQ_DOVE_GPU 48 +#define IRQ_DOVE_PERFORM_MNTR 49 +#define IRQ_DOVE_VPRO_DMA1 51 +#define IRQ_DOVE_SSP_TIMER 54 +#define IRQ_DOVE_SSP 55 +#define IRQ_DOVE_MC_L2_ERR 56 +#define IRQ_DOVE_CRYPTO_ERR 59 +#define IRQ_DOVE_GPIO_24_31 60 +#define IRQ_DOVE_HIGH_GPIO 61 +#define IRQ_DOVE_SATA 62 + +/* + * DOVE General Purpose Pins + */ +#define IRQ_DOVE_GPIO_START 64 +#define NR_GPIO_IRQS 64 + +/* + * PMU interrupts + */ +#define IRQ_DOVE_PMU_START (IRQ_DOVE_GPIO_START + NR_GPIO_IRQS) +#define NR_PMU_IRQS 7 +#define IRQ_DOVE_RTC (IRQ_DOVE_PMU_START + 5) + +#define NR_IRQS (IRQ_DOVE_PMU_START + NR_PMU_IRQS) + +/* Required for compatability with PXA AC97 driver. */ +#define IRQ_AC97 IRQ_DOVE_AC97 +/* Required for compatability with PXA DMA driver. */ +#define IRQ_DMA IRQ_DOVE_PDMA +/* Required for compatability with PXA NAND driver */ +#define IRQ_NAND IRQ_DOVE_NAND +#endif diff --git a/arch/arm/mach-dove/include/mach/memory.h b/arch/arm/mach-dove/include/mach/memory.h new file mode 100644 index 0000000..d668720 --- /dev/null +++ b/arch/arm/mach-dove/include/mach/memory.h @@ -0,0 +1,10 @@ +/* + * arch/arm/mach-dove/include/mach/memory.h + */ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#define PHYS_OFFSET UL(0x00000000) + +#endif diff --git a/arch/arm/mach-dove/include/mach/pm.h b/arch/arm/mach-dove/include/mach/pm.h new file mode 100644 index 0000000..3ad9f94 --- /dev/null +++ b/arch/arm/mach-dove/include/mach/pm.h @@ -0,0 +1,54 @@ +/* + * arch/arm/mach-dove/include/mach/pm.h + * + * 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. + */ + +#ifndef __ASM_ARCH_PM_H +#define __ASM_ARCH_PM_H + +#include <asm/errno.h> +#include <mach/irqs.h> + +#define CLOCK_GATING_CONTROL (DOVE_PMU_VIRT_BASE + 0x38) +#define CLOCK_GATING_USB0_MASK (1 << 0) +#define CLOCK_GATING_USB1_MASK (1 << 1) +#define CLOCK_GATING_GBE_MASK (1 << 2) +#define CLOCK_GATING_SATA_MASK (1 << 3) +#define CLOCK_GATING_PCIE0_MASK (1 << 4) +#define CLOCK_GATING_PCIE1_MASK (1 << 5) +#define CLOCK_GATING_SDIO0_MASK (1 << 8) +#define CLOCK_GATING_SDIO1_MASK (1 << 9) +#define CLOCK_GATING_NAND_MASK (1 << 10) +#define CLOCK_GATING_CAMERA_MASK (1 << 11) +#define CLOCK_GATING_I2S0_MASK (1 << 12) +#define CLOCK_GATING_I2S1_MASK (1 << 13) +#define CLOCK_GATING_CRYPTO_MASK (1 << 15) +#define CLOCK_GATING_AC97_MASK (1 << 21) +#define CLOCK_GATING_PDMA_MASK (1 << 22) +#define CLOCK_GATING_XOR0_MASK (1 << 23) +#define CLOCK_GATING_XOR1_MASK (1 << 24) +#define CLOCK_GATING_GIGA_PHY_MASK (1 << 30) + +#define PMU_INTERRUPT_CAUSE (DOVE_PMU_VIRT_BASE + 0x50) +#define PMU_INTERRUPT_MASK (DOVE_PMU_VIRT_BASE + 0x54) + +static inline int pmu_to_irq(int pin) +{ + if (pin < NR_PMU_IRQS) + return pin + IRQ_DOVE_PMU_START; + + return -EINVAL; +} + +static inline int irq_to_pmu(int irq) +{ + if (IRQ_DOVE_PMU_START < irq && irq < NR_IRQS) + return irq - IRQ_DOVE_PMU_START; + + return -EINVAL; +} + +#endif diff --git a/arch/arm/mach-dove/include/mach/system.h b/arch/arm/mach-dove/include/mach/system.h new file mode 100644 index 0000000..356afda --- /dev/null +++ b/arch/arm/mach-dove/include/mach/system.h @@ -0,0 +1,36 @@ +/* + * arch/arm/mach-dove/include/mach/system.h + * + * 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. + */ + +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +#include <mach/bridge-regs.h> + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +static inline void arch_reset(char mode, const char *cmd) +{ + /* + * Enable soft reset to assert RSTOUTn. + */ + writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK); + + /* + * Assert soft reset. + */ + writel(SOFT_RESET, SYSTEM_SOFT_RESET); + + while (1) + ; +} + + +#endif diff --git a/arch/arm/mach-dove/include/mach/timex.h b/arch/arm/mach-dove/include/mach/timex.h new file mode 100644 index 0000000..251d538 --- /dev/null +++ b/arch/arm/mach-dove/include/mach/timex.h @@ -0,0 +1,9 @@ +/* + * arch/arm/mach-dove/include/mach/timex.h + * + * 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. + */ + +#define CLOCK_TICK_RATE (100 * HZ) diff --git a/arch/arm/mach-dove/include/mach/uncompress.h b/arch/arm/mach-dove/include/mach/uncompress.h new file mode 100644 index 0000000..2c5cdd7 --- /dev/null +++ b/arch/arm/mach-dove/include/mach/uncompress.h @@ -0,0 +1,37 @@ +/* + * arch/arm/mach-dove/include/mach/uncompress.h + * + * 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 <mach/dove.h> + +#define UART_THR ((volatile unsigned char *)(DOVE_UART0_PHYS_BASE + 0x0)) +#define UART_LSR ((volatile unsigned char *)(DOVE_UART0_PHYS_BASE + 0x14)) + +#define LSR_THRE 0x20 + +static void putc(const char c) +{ + int i; + + for (i = 0; i < 0x1000; i++) { + /* Transmit fifo not full? */ + if (*UART_LSR & LSR_THRE) + break; + } + + *UART_THR = c; +} + +static void flush(void) +{ +} + +/* + * nothing to do + */ +#define arch_decomp_setup() +#define arch_decomp_wdog() diff --git a/arch/arm/mach-dove/include/mach/vmalloc.h b/arch/arm/mach-dove/include/mach/vmalloc.h new file mode 100644 index 0000000..8b2c974 --- /dev/null +++ b/arch/arm/mach-dove/include/mach/vmalloc.h @@ -0,0 +1,5 @@ +/* + * arch/arm/mach-dove/include/mach/vmalloc.h + */ + +#define VMALLOC_END 0xfd800000 diff --git a/arch/arm/mach-dove/irq.c b/arch/arm/mach-dove/irq.c new file mode 100644 index 0000000..61bfcb3 --- /dev/null +++ b/arch/arm/mach-dove/irq.c @@ -0,0 +1,133 @@ +/* + * arch/arm/mach-dove/irq.c + * + * Dove IRQ handling. + * + * 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/kernel.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/gpio.h> +#include <linux/io.h> +#include <asm/mach/arch.h> +#include <plat/irq.h> +#include <asm/mach/irq.h> +#include <mach/pm.h> +#include <mach/bridge-regs.h> +#include "common.h" + +static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) +{ + int irqoff; + BUG_ON(irq < IRQ_DOVE_GPIO_0_7 || irq > IRQ_DOVE_HIGH_GPIO); + + irqoff = irq <= IRQ_DOVE_GPIO_16_23 ? irq - IRQ_DOVE_GPIO_0_7 : + 3 + irq - IRQ_DOVE_GPIO_24_31; + + orion_gpio_irq_handler(irqoff << 3); + if (irq == IRQ_DOVE_HIGH_GPIO) { + orion_gpio_irq_handler(40); + orion_gpio_irq_handler(48); + orion_gpio_irq_handler(56); + } +} + +static void pmu_irq_mask(unsigned int irq) +{ + int pin = irq_to_pmu(irq); + u32 u; + + u = readl(PMU_INTERRUPT_MASK); + u &= ~(1 << (pin & 31)); + writel(u, PMU_INTERRUPT_MASK); +} + +static void pmu_irq_unmask(unsigned int irq) +{ + int pin = irq_to_pmu(irq); + u32 u; + + u = readl(PMU_INTERRUPT_MASK); + u |= 1 << (pin & 31); + writel(u, PMU_INTERRUPT_MASK); +} + +static void pmu_irq_ack(unsigned int irq) +{ + int pin = irq_to_pmu(irq); + u32 u; + + u = ~(1 << (pin & 31)); + writel(u, PMU_INTERRUPT_CAUSE); +} + +static struct irq_chip pmu_irq_chip = { + .name = "pmu_irq", + .mask = pmu_irq_mask, + .unmask = pmu_irq_unmask, + .ack = pmu_irq_ack, +}; + +static void pmu_irq_handler(unsigned int irq, struct irq_desc *desc) +{ + unsigned long cause = readl(PMU_INTERRUPT_CAUSE); + + cause &= readl(PMU_INTERRUPT_MASK); + if (cause == 0) { + do_bad_IRQ(irq, desc); + return; + } + + for (irq = 0; irq < NR_PMU_IRQS; irq++) { + if (!(cause & (1 << irq))) + continue; + irq = pmu_to_irq(irq); + desc = irq_desc + irq; + desc_handle_irq(irq, desc); + } +} + +void __init dove_init_irq(void) +{ + int i; + + orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF)); + orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF)); + + /* + * Mask and clear GPIO IRQ interrupts. + */ + writel(0, GPIO_LEVEL_MASK(0)); + writel(0, GPIO_EDGE_MASK(0)); + writel(0, GPIO_EDGE_CAUSE(0)); + + /* + * Mask and clear PMU interrupts + */ + writel(0, PMU_INTERRUPT_MASK); + writel(0, PMU_INTERRUPT_CAUSE); + + for (i = IRQ_DOVE_GPIO_START; i < IRQ_DOVE_PMU_START; i++) { + set_irq_chip(i, &orion_gpio_irq_chip); + set_irq_handler(i, handle_level_irq); + irq_desc[i].status |= IRQ_LEVEL; + set_irq_flags(i, IRQF_VALID); + } + set_irq_chained_handler(IRQ_DOVE_GPIO_0_7, gpio_irq_handler); + set_irq_chained_handler(IRQ_DOVE_GPIO_8_15, gpio_irq_handler); + set_irq_chained_handler(IRQ_DOVE_GPIO_16_23, gpio_irq_handler); + set_irq_chained_handler(IRQ_DOVE_GPIO_24_31, gpio_irq_handler); + set_irq_chained_handler(IRQ_DOVE_HIGH_GPIO, gpio_irq_handler); + + for (i = IRQ_DOVE_PMU_START; i < NR_IRQS; i++) { + set_irq_chip(i, &pmu_irq_chip); + set_irq_handler(i, handle_level_irq); + irq_desc[i].status |= IRQ_LEVEL; + set_irq_flags(i, IRQF_VALID); + } + set_irq_chained_handler(IRQ_DOVE_PMU, pmu_irq_handler); +} diff --git a/arch/arm/mach-dove/pcie.c b/arch/arm/mach-dove/pcie.c new file mode 100644 index 0000000..502d1ca --- /dev/null +++ b/arch/arm/mach-dove/pcie.c @@ -0,0 +1,238 @@ +/* + * arch/arm/mach-dove/pcie.c + * + * PCIe functions for Marvell Dove 88AP510 SoC + * + * 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/kernel.h> +#include <linux/pci.h> +#include <linux/mbus.h> +#include <asm/mach/pci.h> +#include <asm/mach/arch.h> +#include <asm/setup.h> +#include <asm/delay.h> +#include <plat/pcie.h> +#include <mach/irqs.h> +#include <mach/bridge-regs.h> +#include "common.h" + +struct pcie_port { + u8 index; + u8 root_bus_nr; + void __iomem *base; + spinlock_t conf_lock; + char io_space_name[16]; + char mem_space_name[16]; + struct resource res[2]; +}; + +static struct pcie_port pcie_port[2]; +static int num_pcie_ports; + + +static int __init dove_pcie_setup(int nr, struct pci_sys_data *sys) +{ + struct pcie_port *pp; + + if (nr >= num_pcie_ports) + return 0; + + pp = &pcie_port[nr]; + pp->root_bus_nr = sys->busnr; + + /* + * Generic PCIe unit setup. + */ + orion_pcie_set_local_bus_nr(pp->base, sys->busnr); + + orion_pcie_setup(pp->base, &dove_mbus_dram_info); + + /* + * IORESOURCE_IO + */ + snprintf(pp->io_space_name, sizeof(pp->io_space_name), + "PCIe %d I/O", pp->index); + pp->io_space_name[sizeof(pp->io_space_name) - 1] = 0; + pp->res[0].name = pp->io_space_name; + if (pp->index == 0) { + pp->res[0].start = DOVE_PCIE0_IO_PHYS_BASE; + pp->res[0].end = pp->res[0].start + DOVE_PCIE0_IO_SIZE - 1; + } else { + pp->res[0].start = DOVE_PCIE1_IO_PHYS_BASE; + pp->res[0].end = pp->res[0].start + DOVE_PCIE1_IO_SIZE - 1; + } + pp->res[0].flags = IORESOURCE_IO; + if (request_resource(&ioport_resource, &pp->res[0])) + panic("Request PCIe IO resource failed\n"); + sys->resource[0] = &pp->res[0]; + + /* + * IORESOURCE_MEM + */ + snprintf(pp->mem_space_name, sizeof(pp->mem_space_name), + "PCIe %d MEM", pp->index); + pp->mem_space_name[sizeof(pp->mem_space_name) - 1] = 0; + pp->res[1].name = pp->mem_space_name; + if (pp->index == 0) { + pp->res[1].start = DOVE_PCIE0_MEM_PHYS_BASE; + pp->res[1].end = pp->res[1].start + DOVE_PCIE0_MEM_SIZE - 1; + } else { + pp->res[1].start = DOVE_PCIE1_MEM_PHYS_BASE; + pp->res[1].end = pp->res[1].start + DOVE_PCIE1_MEM_SIZE - 1; + } + pp->res[1].flags = IORESOURCE_MEM; + if (request_resource(&iomem_resource, &pp->res[1])) + panic("Request PCIe Memory resource failed\n"); + sys->resource[1] = &pp->res[1]; + + sys->resource[2] = NULL; + + return 1; +} + +static struct pcie_port *bus_to_port(int bus) +{ + int i; + + for (i = num_pcie_ports - 1; i >= 0; i--) { + int rbus = pcie_port[i].root_bus_nr; + if (rbus != -1 && rbus <= bus) + break; + } + + return i >= 0 ? pcie_port + i : NULL; +} + +static int pcie_valid_config(struct pcie_port *pp, int bus, int dev) +{ + /* + * Don't go out when trying to access nonexisting devices + * on the local bus. + */ + if (bus == pp->root_bus_nr && dev > 1) + return 0; + + return 1; +} + +static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, + int size, u32 *val) +{ + struct pcie_port *pp = bus_to_port(bus->number); + unsigned long flags; + int ret; + + if (pcie_valid_config(pp, bus->number, PCI_SLOT(devfn)) == 0) { + *val = 0xffffffff; + return PCIBIOS_DEVICE_NOT_FOUND; + } + + spin_lock_irqsave(&pp->conf_lock, flags); + ret = orion_pcie_rd_conf(pp->base, bus, devfn, where, size, val); + spin_unlock_irqrestore(&pp->conf_lock, flags); + + return ret; +} + +static int pcie_wr_conf(struct pci_bus *bus, u32 devfn, + int where, int size, u32 val) +{ + struct pcie_port *pp = bus_to_port(bus->number); + unsigned long flags; + int ret; + + if (pcie_valid_config(pp, bus->number, PCI_SLOT(devfn)) == 0) + return PCIBIOS_DEVICE_NOT_FOUND; + + spin_lock_irqsave(&pp->conf_lock, flags); + ret = orion_pcie_wr_conf(pp->base, bus, devfn, where, size, val); + spin_unlock_irqrestore(&pp->conf_lock, flags); + + return ret; +} + +static struct pci_ops pcie_ops = { + .read = pcie_rd_conf, + .write = pcie_wr_conf, +}; + +static void __devinit rc_pci_fixup(struct pci_dev *dev) +{ + /* + * Prevent enumeration of root complex. + */ + if (dev->bus->parent == NULL && dev->devfn == 0) { + int i; + + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + dev->resource[i].start = 0; + dev->resource[i].end = 0; + dev->resource[i].flags = 0; + } + } +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL, PCI_ANY_ID, rc_pci_fixup); + +static struct pci_bus __init * +dove_pcie_scan_bus(int nr, struct pci_sys_data *sys) +{ + struct pci_bus *bus; + + if (nr < num_pcie_ports) { + bus = pci_scan_bus(sys->busnr, &pcie_ops, sys); + } else { + bus = NULL; + BUG(); + } + + return bus; +} + +static int __init dove_pcie_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + struct pcie_port *pp = bus_to_port(dev->bus->number); + + return pp->index ? IRQ_DOVE_PCIE1 : IRQ_DOVE_PCIE0; +} + +static struct hw_pci dove_pci __initdata = { + .nr_controllers = 2, + .swizzle = pci_std_swizzle, + .setup = dove_pcie_setup, + .scan = dove_pcie_scan_bus, + .map_irq = dove_pcie_map_irq, +}; + +static void __init add_pcie_port(int index, unsigned long base) +{ + printk(KERN_INFO "Dove PCIe port %d: ", index); + + if (orion_pcie_link_up((void __iomem *)base)) { + struct pcie_port *pp = &pcie_port[num_pcie_ports++]; + + printk(KERN_INFO "link up\n"); + + pp->index = index; + pp->root_bus_nr = -1; + pp->base = (void __iomem *)base; + spin_lock_init(&pp->conf_lock); + memset(pp->res, 0, sizeof(pp->res)); + } else { + printk(KERN_INFO "link down, ignoring\n"); + } +} + +void __init dove_pcie_init(int init_port0, int init_port1) +{ + if (init_port0) + add_pcie_port(0, DOVE_PCIE0_VIRT_BASE); + + if (init_port1) + add_pcie_port(1, DOVE_PCIE1_VIRT_BASE); + + pci_common_init(&dove_pci); +} |
