| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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There is a PCI bridge(Tsi310) between the MPC8548 and a VIA
southbridge chip.
The bootloader sets the PCI bridge to open a window from 0x0000
to 0x1fff on the PCI I/O space. But the kernel can't set the I/O
resource. In the routine pci_read_bridge_io(), if the base which
is read from PCI_IO_BASE is equal to zero, the routine don't set
the I/O resource of the child bus.
To allow the legacy I/O space on the VIA southbridge to be accessed,
use the fixup to fix the PCI I/O space of the PCI bridge.
Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Zhicheng Fan <b32736@freescale.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The mpc85xx_rdb and mpc85xx_mds have commom define of signal multiplex for qe, so
they need to go in common header, the patch abstract them to fsl_guts.h
Signed-off-by: Zhicheng Fan <b32736@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Remove the "select PHYS_64BIT" from the Kconfig entry for the P1022DS,
so that large physical address support is a selectable option for non-CoreNet
reference boards.
The option is enabled in mpc85xx_[smp_]defconfig so that the default is
unchanged. However, now it can be deselected.
The P1022DS had this option defined because the default device tree for
this board uses 36-bit addresses. This had the side-effect of forcing
this option on for all boards that use mpc85xx_[smp_]defconfig. Some
users may want to disable this feature to create an optimized configuration
for boards with <= 2GB of RAM.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Fix the compatible string of sec 4.0 to match with CAAM driver according
to Documentation/devicetree/bindings/crypto/fsl-sec4.txt
Signed-off-by: Liu Shuo <shuo.liu@freescale.com>
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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fsl_85xx_l2ctlr.o and fsl_85xx_cache_sram.o are built only
if CONFIG_FSL_85XX_CACHE_SRAM is defined. The driver that
qualifies and wants to make use of the CACHE SRAM's exported
API (i.e. a freescale net driver) should (be able to) select
this config option.
Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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CC arch/powerpc/sysdev/fsl_85xx_l2ctlr.o
arch/powerpc/sysdev/fsl_85xx_l2ctlr.c:209:13: error: 'THIS_MODULE' undeclared here (not in a function)
arch/powerpc/sysdev/fsl_85xx_l2ctlr.c:229:20: error: expected declaration specifiers or '...' before string constant
cc1: warnings being treated as errors
arch/powerpc/sysdev/fsl_85xx_l2ctlr.c:229:1: error: data definition has no type or storage class
arch/powerpc/sysdev/fsl_85xx_l2ctlr.c:229:1: error: type defaults to 'int' in declaration of 'MODULE_DESCRIPTION'
arch/powerpc/sysdev/fsl_85xx_l2ctlr.c:229:20: error: function declaration isn't a prototype
arch/powerpc/sysdev/fsl_85xx_l2ctlr.c:230:16: error: expected declaration specifiers or '...' before string constant
arch/powerpc/sysdev/fsl_85xx_l2ctlr.c:230:1: error: data definition has no type or storage class
arch/powerpc/sysdev/fsl_85xx_l2ctlr.c:230:1: error: type defaults to 'int' in declaration of 'MODULE_LICENSE'
arch/powerpc/sysdev/fsl_85xx_l2ctlr.c:230:16: error: function declaration isn't a prototype
make[1]: *** [arch/powerpc/sysdev/fsl_85xx_l2ctlr.o] Error 1
...
CC arch/powerpc/sysdev/fsl_85xx_cache_sram.o
cc1: warnings being treated as errors
arch/powerpc/sysdev/fsl_85xx_cache_sram.c:69:1: error: data definition has no type or storage class
arch/powerpc/sysdev/fsl_85xx_cache_sram.c:69:1: error: type defaults to 'int' in declaration of 'EXPORT_SYMBOL'
arch/powerpc/sysdev/fsl_85xx_cache_sram.c:69:1: error: parameter names (without types) in function declaration
arch/powerpc/sysdev/fsl_85xx_cache_sram.c:80:1: error: data definition has no type or storage class
arch/powerpc/sysdev/fsl_85xx_cache_sram.c:80:1: error: type defaults to 'int' in declaration of 'EXPORT_SYMBOL'
arch/powerpc/sysdev/fsl_85xx_cache_sram.c:80:1: error: parameter names (without types) in function declaration
make[1]: *** [arch/powerpc/sysdev/fsl_85xx_cache_sram.o] Error 1
Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Acked-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The mpc836x_mds platform has been broken since the commit
6fe3264945ee63292cdfb27b6e95bc52c603bb09
"netdev/phy: Use mdiobus_read() so that proper locks are taken"
which caused the fsl_pq_mdio TBI autoprobe to oops. The oops
was "fixed" in commit 28d8ea2d568534026ccda3e8936f5ea1e04a86a1
"fsl_pq_mdio: Clean up tbi address configuration"
by simply removing the the autoscan code, and making tbi nodes
mandatory. Some of the newer reference platforms were updated
to have tbi nodes in 220669495bf8b68130a8218607147c7b74c28d2b
"powerpc: Add TBI PHY node to first MDIO bus"
but the older mpc836x didn't get one and hence was just failing
with -EBUSY as follows:
fsl-pq_mdio: probe of e0102120.mdio failed with error -16
...
net eth0: Could not attach to PHY
eth0: Cannot initialize PHY, aborting.
Add a TBI node and use the 1st free address for it.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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When the P1022's DIU video controller is active, the pixis must be accessed
in "indirect" mode, which uses localbus chip select addresses.
Switching between the DVI and LVDS monitor ports is handled by the pixis,
so that switching needs to be done via indirect mode.
This has the side-effect of no longer requiring U-Boot to enable the DIU.
Now Linux can enable the DIU all by itself.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Initial board support for the GE IMP3A, a 3U compactPCI card with a p2020
processor.
Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Move the GE PIC drivers to allow these to be used by non-86xx boards.
Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The GE GPIO driver provides basic support (set direction, read/write state)
for the GPIO provided on some GE single board computers. This patch moves
the driver from the 86xx specific platform directrory to the GPIO subsystem
so that it can be used on non-86xx boards.
Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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This patch adds the GE_FPGA configuration option. This is being carried
out as ground work to allow the PIC and GPIO drivers to be move from the
powerpc 86xx platform directory to more general locations to allow them to
be used on non-86xx boards and to reduce churn when further boards using
these drivers are added.
Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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P1020RDB-PC Overview
------------------
1Gbyte DDR3 SDRAM
32 Mbyte NAND flash
10 16Mbyte NOR flash
16 Mbyte SPI flash
SD connector to interface with the SD memory card
Real-time clock on I2C bus
PCIe:
- x1 PCIe slot
- x1 mini-PCIe slot
10/100/1000 BaseT Ethernet ports:
- eTSEC1, RGMII: one 10/100/1000 port using VitesseTM VSC7385 L2 switch
- eTSEC2, SGMII: one 10/100/1000 port using VitesseTM VSC8221
- eTSEC3, RGMII: one 10/100/1000 port using AtherosTM AR8021
USB 2.0 port:
- Two USB2.0 Type A receptacles
- One USB2.0 signal to Mini PCIe slot
Dual RJ45 UART ports:
- DUART interface: supports two UARTs up to 115200 bps for console display
Signed-off-by: Zhicheng Fan <b32736@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Zhicheng Fan <b32736@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The p1020utm-pc has the similar feature as the p1020rdb.
Therefore, p1020utm-pc use the same platform file as the p1/p2 rdb board.
Overview of P1020UTM-PC platform:
- DDR3 1GB
- NOR flash 32MB
- I2C EEPROM 256Kb
- eTSEC1 (RGMII PHY Atheros AR8021)
- eTSEC2 (SGMII PHY Vitesse VSC8221)
- eTSEC3 (RGMII PHY Atheros AR8021)
- SDHC
- 2 USB ports
- PCIe (Lane1 to dual SATA controller)
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The p1020mbg-pc has the similar feature as the p1020rdb.
Therefore, p1020mbg-pc use the same platform file as the p1/p2 rdb board.
Overview of P1020MBG-PC platform:
- DDR3 2GB
- NOR flash 64MB
- I2C EEPROM 256Kb
- eTSEC1 (RGMII PHY) connected to VSC7385 L2 switch
- eTSEC2 (SGMII PHY)
- eTSEC3 (RGMII PHY)
- SDHC
- 2 USB ports
- 4 TDM ports
- PCIe (Lane1 to dual SATA controller)
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Integrated Flash Controller(IFC) can be used to hook NAND Flash
chips using NAND Flash Machine available on it.
Signed-off-by: Dipen Dudhat <Dipen.Dudhat@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Liu Shuo <b35362@freescale.com>
Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Jin Qing <b24347@freescale.com>
Signed-off-by: Jia Hongtao <B38951@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The Freescale P1022 has a unique pin muxing "feature" where the DIU video
controller's video signals are muxed with 24 of the local bus address signals.
When the DIU is enabled, the bulk of the local bus is disabled, preventing
access to memory-mapped devices like NOR flash and the pixis FPGA.
Therefore, if the DIU is going to be enabled, then memory-mapped devices on
the localbus, like NOR flash, need to be disabled.
This also means that the localbus is not a 'simple-bus' any more, so remove
that string from the compatible node.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Create a 32-bit address space version of p1022ds.dts. To avoid confusion,
p1022ds.dts is renamed to p1022ds_36b.dts. We also create p1022ds.dtsi
to store some common nodes.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The properties indicates that the hardware supports waking up via magic
packet.
Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Add partitions for NOR and NAND Flash.
Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Liu Shuo <soniccat.liu@gmail.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Fix typo introduced by "powerpc: Add TBI PHY node to first MDIO bus"
from Andy Fleming.
It's device_type rather than device-type, which causes the mdio probe to
fail thus making all gianfar ethernet interfaces unusable.
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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This is here most likely since the FSL bsp. Back in the FSL bsp it was
set to 50Mhz and working. However the driver divided the SoC freq. only
by 2. According to the TRM the platform clock (which the manual refers
in its formula) is the system clock divided by two. So in the end it has
to divide by 4 and this is what the fsl-spi driver in tree is doing.
Since then the flash is not wokring I guess. After chaning the freq from
50Mhz to 40Mhz like others do then I can access the flash.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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It is not at 0xffa00000. According to current u-boot source the NAND
controller is always at 0xff800000 and it is either at CS0 or CS1
depending on NAND or NAND+NOR mode. In 36bit mode it is shifted to
0xfff800000 but it has always an eight there and never an A.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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For the file "arch/powerpc/sysdev/fsl_rmu.c", there will be some compile
errors while using the corenet64_smp_defconfig:
.../fsl_rmu.c:315: error: cast from pointer to integer of different size
.../fsl_rmu.c:320: error: cast to pointer from integer of different size
.../fsl_rmu.c:320: error: cast to pointer from integer of different size
.../fsl_rmu.c:320: error: cast to pointer from integer of different size
.../fsl_rmu.c:330: error: cast to pointer from integer of different size
.../fsl_rmu.c:332: error: cast to pointer from integer of different size
.../fsl_rmu.c:339: error: cast to pointer from integer of different size
.../fsl_rmu.c:340: error: cast to pointer from integer of different size
.../fsl_rmu.c:341: error: cast to pointer from integer of different size
.../fsl_rmu.c:348: error: cast to pointer from integer of different size
.../fsl_rmu.c:348: error: cast to pointer from integer of different size
.../fsl_rmu.c:348: error: cast to pointer from integer of different size
.../fsl_rmu.c:659: error: cast from pointer to integer of different size
.../fsl_rmu.c:659: error: format '%8.8x' expects type 'unsigned int',
but argument 5 has type 'size_t'
.../fsl_rmu.c:985: error: cast from pointer to integer of different size
.../fsl_rmu.c:997: error: cast to pointer from integer of different size
Rewrote the corresponding code with the support of 64bit building.
Signed-off-by: Liu Gang <Gang.Liu@freescale.com>
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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For the file "arch/powerpc/sysdev/fsl_rio.c", there will be some relocation
errors while using the corenet64_smp_defconfig:
WARNING: modpost: Found 6 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
GEN .version
CHK include/generated/compile.h
UPD include/generated/compile.h
CC init/version.o
LD init/built-in.o
LD .tmp_vmlinux1
arch/powerpc/sysdev/built-in.o:(__ex_table+0x0):
relocation truncated to fit: R_PPC64_ADDR16 against `.text'+3208
arch/powerpc/sysdev/built-in.o:(__ex_table+0x2):
relocation truncated to fit: R_PPC64_ADDR16 against `.fixup'
arch/powerpc/sysdev/built-in.o:(__ex_table+0x4):
relocation truncated to fit: R_PPC64_ADDR16 against `.text'+3230
arch/powerpc/sysdev/built-in.o:(__ex_table+0x6):
relocation truncated to fit: R_PPC64_ADDR16 against `.fixup'+c
arch/powerpc/sysdev/built-in.o:(__ex_table+0x8):
relocation truncated to fit: R_PPC64_ADDR16 against `.text'+3250
arch/powerpc/sysdev/built-in.o:(__ex_table+0xa):
relocation truncated to fit: R_PPC64_ADDR16 against `.fixup'+18
Rewrote the corresponding code with the support of 64bit building.
Signed-off-by: Liu Gang <Gang.Liu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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P1025RDB Overview
------------------
1Gbyte DDR3 SDRAM
32 Mbyte NAND flash
16Mbyte NOR flash
16 Mbyte SPI flash
SD connector to interface with the SD memory card
Real-time clock on I2C bus
PCIe:
- x1 PCIe slot
- x1 mini-PCIe slot
10/100/1000 BaseT Ethernet ports:
- eTSEC1, RGMII: one 10/100/1000 port using AtherosTM AR8021
- eTSEC2, SGMII: one 10/100/1000 port using VitesseTM VSC8221
- eTSEC3, RGMII: one 10/100/1000 port using AtherosTM AR8021
USB 2.0 port:
- Two USB2.0 Type A receptacles
- One USB2.0 signal to Mini PCIe slot
Dual RJ45 UART ports:
- DUART interface: supports two UARTs up to 115200 bps for console display
Signed-off-by: Zhicheng Fan <b32736@freescale.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Zhicheng Fan <b32736@freescale.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Add usb controller version info for the following:
MPC8536, P1010, P1020, P1021, P1022, P1023, P2020, P2041,
P3041, P3060, P5020
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Tang Yuantian <b29983@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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P2020RDB-PC Board shares the same design(PCB) as P102x RDB style platforms.
The difference between this platform and the already existing P2020RDB
is mainly with respect to DDR. The P2020RDB-PC has a DDR3 memory.
The P2020RDB-PC also has a CPLD device connected to local bus.
The main differences from the P102x RDB-PC is 64-bit DDR and SYSCLK of
100Mhz.
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Tang Yuantian <b29983@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Xu Jiucheng <B37781@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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P1021RDB-PC Overview
-----------------
1Gbyte DDR3 (on board DDR)
16Mbyte NOR flash
32Mbyte eSLC NAND Flash
256 Kbit M24256 I2C EEPROM
128 Mbit SPI Flash memory
Real-time clock on I2C bus
SD/MMC connector to interface with the SD memory card
PCIex
- x1 PCIe slot or x1 PCIe to dual SATA controller
- x1 mini-PCIe slot
USB 2.0
- ULPI PHY interface: SMSC USB3300 USB PHY and Genesys Logic’s GL850A
- Two USB2.0 Type A receptacles
- One USB2.0 signal to Mini PCIe slot
eTSEC1: Connected to RGMII PHY VSC7385
eTSEC2: Connected to SGMII PHY VSC8221
eTSEC3: Connected to SGMII PHY AR8021
DUART interface: supports two UARTs up to 115200 bps for console display
Signed-off-by: Matthew McClintock <msm@freescale.com>
Signed-off-by: Xu Jiucheng <B37781@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Add basic support for e6500 core in its single threaded mode.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The registers that describe size supported by TLB are different on MMU
v2 as well as we support power of two page sizes. For now we continue
to assume that FSL variable size array supports all page sizes up to the
maximum one reported in TLB1PS.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The SERIAL_8250_EXTENDED option just enables access to other
less regularly used options, like SERIAL_8250_SHARE_IRQ.
Select it to get rid of this warning when selecting the child
option living underneath it.
warning: (FSL_SOC_BOOKE && SERIAL_8250_RM9K) selects
SERIAL_8250_SHARE_IRQ which has unmet direct dependencies
(HAS_IOMEM && SERIAL_8250_EXTENDED)
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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With the original EEH implementation, the access to config space of
the corresponding PCI device is done by RTAS sensitive function. That
depends on pci_dn heavily. That would limit EEH extension to other
platforms like powernv because other platforms might have different
ways to access PCI config space.
The patch splits those functions used to access PCI config space
and implement them in platform related EEH component. It would be
helpful to support EEH on multiple platforms simutaneously in future.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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With the original EEH implementation, the EEH global statistics
are maintained by individual global variables. That makes the
code a little hard to maintain.
The patch introduces extra struct eeh_stats for the EEH global
statistics so that it can be maintained in collective fashion.
It's the rework on the corresponding v5 patch. According to
the comments from David Laight, the EEH global statistics have
been changed for a litte bit so that they have fixed-type of
"u64". Also, the format used to print them has been changed to
"%llu" based on David's suggestion. Also, the output format of
EEH global statistics should be kept as intacted according to
Michael's suggestion that there might be tools parsing them.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The pci_dn has been replaced with eeh_dev. In order to comply with
the rule, the EEH platform implementation on pSeries should also
be adjusted for a little bit so that it will depend on eeh_dev instead
of pci_dn.
The patch replaces pci_dn with eeh_dev. The corresponding information
will be retrieved from eeh_dev instead of pci_dn.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The original EEH implementation is heavily depending on struct pci_dn.
We have to put EEH related information to pci_dn. Actually, we could
split struct pci_dn so that the EEH sensitive information to form an
individual struct, then EEH looks more independent.
The patch replaces pci_dn with eeh_dev for EEH aux components like
event and driver. Also, the eeh_event struct has been adjusted for
a little bit since eeh_dev has linked the associated FDT (Flat Device
Tree) node and PCI device. It's not necessary for eeh_event struct to
trace FDT node and PCI device. We can just simply to trace eeh_dev in
eeh_event.
The patch also renames function pcid_name() to eeh_pcid_name(), which
should be missed in the previous patch where the EEH aux components
have been cleaned up.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The original EEH implementation is heavily depending on struct pci_dn.
We have to put EEH related information to pci_dn. Actually, we could
split struct pci_dn so that the EEH sensitive information to form an
individual struct, then EEH looks more independent.
The patch replaces pci_dn with eeh_dev for EEH core.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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With original EEH implementation, struct pci_dn is used while building
PCI I/O address cache, which helps on searching the corresponding
PCI device according to the given physical I/O address. Besides, pci_dn
is associated with the corresponding PCI device while building its
I/O cache.
The patch replaces struct pci_dn with struct eeh_dev so that EEH address
cache won't depend on struct pci_dn. That will help EEH to become an
independent module in future. Besides, the binding of eeh_dev and PCI
device is done while building PCI device I/O cache.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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With original EEH implementation, all EEH related statistics have
been put into struct pci_dn. We've introduced struct eeh_dev to
replace struct pci_dn in EEH core components, including EEH sysfs
component.
The patch shows EEH statistics from struct eeh_dev instead of struct
pci_dn in EEH sysfs component. Besides, it also fixed the EEH device
retrieval from PCI device, which was introduced by the previous patch
in the series of patch.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Original EEH implementation depends on struct pci_dn heavily. However,
EEH shouldn't depend on that actually because EEH needn't share much
information with other PCI components. That's to say, EEH should have
worked independently.
The patch introduces struct eeh_dev so that EEH core components needn't
be working based on struct pci_dn in future. Also, struct pci_dn, struct
eeh_dev instances are created in dynamic fasion and the binding with EEH
device, OF node, PCI device is implemented as well.
The EEH devices are created after PHBs are detected and initialized, but
PCI emunation hasn't started yet. Apart from that, PHB might be created
dynamically through DLPAR component and the EEH devices should be creatd
as well. Another case might be OF node is created dynamically by DR
(Dynamic Reconfiguration), which has been defined by PAPR. For those OF
nodes created by DR, EEH devices should be also created accordingly. The
binding between EEH device and OF node is done while the EEH device is
initially created.
The binding between EEH device and PCI device should be done after PCI
emunation is done. Besides, PCI hotplug also needs the binding so that
the EEH devices could be traced from the newly coming PCI buses or PCI
devices.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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