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* powerpc/44x: Add Eiger AMCC (AppliedMicro) PPC460SX evaluation board support.fkan@amcc.com2009-08-31
| | | | | | | | | | This patch adds support for the AMCC (AppliedMicro) PPC460SX Eiger evaluation board. Signed-off-by: Tai Tri Nguyen <ttnguyen@amcc.com> Acked-by: Feng Kan <fkan@amcc.com> Acked-by: Tirumala Marri <tmarri@amcc.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Fix build error with -Werror for Warp platformJosh Boyer2009-07-05
| | | | | | | | With -Werror enabled during the build, the warp.c file fails to build due to the temp_isr function not containing a return statement. This fixes the build error and documents that the function never returns. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/4xx: Have Warp take advantage of GPIO LEDs default-state = keepSean MacLennan2009-07-06
| | | | | | | | | The GPIO LEDS driver now has a default state of "keep". Update the Warp DTS and platform file to take advantage of this new state. This removes the hardcoding of the two LEDs on the Warp. Signed-off-by: Sean MacLennan <smaclennan@pikatech.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/warp: Platform fix for i2c changeSean MacLennan2009-06-26
| | | | | | | | | | | | | | | | | | | | | | | | A change to the i2c subsystem breaks the warp platform code. The patch is cleaner anyway, the old way was a bit crufty. For those with keen eyes, the gratuitous change in the string from PIKA to Warp is just so the logs look a bit nicer. The following two lines tend to be printed one after another. Warp POST OK Warp DTM thread running. Yeah, this will be the third patch to warp.c submitted in this release.... Cheers, Sean The i2c_client struct changed, breaking the code that looked for the ad7414 chip. Use the new of_find_i2c_device_by_node function added in 2.6.29. Signed-off-by: Sean MacLennan <smaclennan@pikatech.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/warp: Fix ISA_DMA_THRESHOLD defaultSean MacLennan2009-06-16
| | | | | | | | If no device is passed to __dma_alloc_coherent, it defaults to using ISA_DMA_THRESHOLD for the mask. This patch provides a reasonable default rather than 0. Signed-off-by: Sean MacLennan <smaclennan@pikatech.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/virtex: Add Xilinx ML510 reference design supportRoderick Colenbrander2009-06-06
| | | | | Signed-off-by: Roderick Colenbrander <thunderbird2k@gmail.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
* powerpc/virtex: Add support for Xilinx PCI host bridgeRoderick Colenbrander2009-06-06
| | | | | | | | This patch adds support for the Xilinx plbv46-pci-1.03.a PCI host bridge IPcore. Signed-off-by: Roderick Colenbrander <thunderbird2k@gmail.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
* powerpc: Update Warp to use leds-gpio driverSean MacLennan2009-05-21
| | | | | | | | | | | | Now that leds-gpio is a proper OF platform driver, the Warp can use the leds-gpio driver rather than the old out-of-kernel driver. One side-effect is the leds-gpio driver always turns the leds off while the old driver left them alone. So we have to set them back to the correct settings. Signed-off-by: Sean MacLennan <smaclennan@pikatech.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/virtex: Add uImage to the default images listGrant Likely2009-05-14
| | | | | | | It is common to use U-Boot on Xilinx Virtex platforms. This patch ensures that CONFIG_DEFAULT_UIMAGE is selected for virtex Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
* AMCC PPC 460SX redwood SoC platform initial frameworkMadhulika Madishetty2009-02-14
| | | | | | | | | | | | | This patch contains initial framework for the AMCC Redwood board. Signed-off-by: Madhulika Madishetty <mmadishetty@amcc.com> Signed-off-by: Tirumala Marri <tmarri@amcc.com> Signed-off-by: Feng Kan <fkan@amcc.com> Signed-off-by: Vidhyananth Venkatasamy <vvenkatasamy@amcc.com> Signed-off-by: Preetesh Parekh <pparekh@amcc.com> Acked-by: Loc Ho <lho@amcc.com> Acked-by: Feng Kan <fkan@amcc.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Warp patches for the new NDFC driverSean MacLennan2009-01-20
| | | | | | | | | | | Convert the Warp platform to use the newly merged NDFC driver - warp.dts changed to work with ndfc - warp-nand.c no longer needed - removed obsolete rev A support from cuboot-warp.c Signed-off-by: Sean MacLennan <smaclennan@pikatech.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc: Introduce ppc_pci_flags accessorsJosh Boyer2008-12-15
| | | | | | | | | | | | | Currently there are a number of platforms that open code access to the ppc_pci_flags global variable. However, that variable is not present if CONFIG_PCI is not set, which can lead to a build break. This introduces a number of accessor functions that are defined to be empty in the case of CONFIG_PCI being disabled. The various platform files in the kernel are updated to use these. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc/4xx: Add PowerPC 4xx GPIO driverSteven A. Falco2008-10-17
| | | | | | | | | | This patch adds support for the GPIO functions of PPC40x and PPC44x SOCs. Signed-off-by: Steve Falco <sfalco@harris.com> Acked-by: Stefan Roese <sr@denx.de> Acked-by: Sean MacLennan <smaclennan@pikatech.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Add AMCC Arches eval board supportVictor Gallardo2008-10-02
| | | | | | | | | | | | | The Arches Evaluation board is based on the AMCC 460GT SoC chip. This board is a dual processor board with each processor providing independent resources for Rapid IO, Gigabit Ethernet, and serial communications. Each 460GT has it's own 512MB DDR2 memory, 32MB NOR FLASH, UART, EEPROM and temperature sensor, along with a shared debug port. The two 460GT's will communicate with each other via shared memory, Gigabit Ethernet and x1 PCI-Express. Signed-off-by: Victor Gallardo <vgallardo@amcc.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Add explicit Yosemite supportJosh Boyer2008-08-28
| | | | | | | Add the Yosemite board to the explicitly supported list for ppc44x_simple boards and remove the compatible entry for bamboo from the DTS file. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Add explicit support for AMCC GlacierJosh Boyer2008-08-28
| | | | | | | | Add explicit support for the AMCC Glacier eval board to Kconfig and the ppc44x_simple file. Also removes the cayonlands compatible entry from the DTS file. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Migrate Taishan support to ppc44x_simpleJosh Boyer2008-08-28
| | | | | | Migrate the AMCC Taishan board to use the ppc44x_simple platform file. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Migrate Sequoia support to ppc44x_simpleJosh Boyer2008-08-28
| | | | | | Migrate the AMCC Sequoia board to use the ppc44x_simple platform file. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Migrate Rainier support to ppc44x_simpleJosh Boyer2008-08-28
| | | | | | Migrate the AMCC Rainier board to use the ppc44x_simple platform file. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Migrate Katmai support to ppc44x_simpleJosh Boyer2008-08-28
| | | | | | Migrate the AMCC Katmai board to use the ppc44x_simple platform file. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Migrate Canyonlands support to ppc44x_simpleJosh Boyer2008-08-28
| | | | | | Migrate the AMCC Canyonlands board to use the ppc44x_simple platform file. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Migrate Bamboo support to ppc44x_simpleJosh Boyer2008-08-28
| | | | | | Migrate the AMCC Bamboo board to use the ppc44x_simple platform file. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Add PowerPC 44x simple platform supportJosh Boyer2008-08-28
| | | | | | | | | | | This adds a common board file for almost all of the "simple" PowerPC 44x boards that exist today. This is intended to be a single place to add support for boards that do not differ in platform support from most of the evaluation boards that are used as reference platforms. Boards that have specific requirements or custom hardware setup should still have their own board.c file. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/4xx: Cleanup Warp for i2c driver changes.Sean MacLennan2008-08-04
| | | | | | | | | | | | This patch removes the i2c code which is now obsolete due to the new ibm iic driver walking the device tree for child nodes. There are two other small cleanups that came indirectly from the ad7414 code review. Make sure Tlow is correct and handle the case where i2c_smbus_read_word_data fails. Signed-off-by: Sean MacLennan <smaclennan@pikatech.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Adjust warp-nand resource end addressValentine Barshak2008-08-04
| | | | | | | Adjust the NDFC resource end value (resource size = end - start + 1). Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/44x: Support NAND boot for Rev A Warp boardsSean MacLennan2008-07-09
| | | | | | | Allow the Rev A Warp boards to boot from NAND. Signed-off-by: Sean MacLennan <smaclennan@pikatech.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/virtex: add Xilinx Virtex 5 ppc440 platform supportJohn Linn2008-07-04
| | | | | | | Support for the Xilinx Virtex5 FXT 440 is being added. Signed-off-by: John Linn <john.linn@xilinx.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
* powerpc/4xx: Sam440ep supportGiuseppe Coviello2008-06-11
| | | | | | | | | | | The Sam440ep is an high customizable general purpose mini-itx board, based on the AMCC 440EP and with a LatticeXP FPGA onboard. It's poduced by ACube Systems Srl (Bassano del Grappa, Italy), http://www.acube-systems.biz. Signed-off-by: Giuseppe Coviello <gicoviello@gmail.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* powerpc/4xx: Fix resource issue in warp-nand.cValentine Barshak2008-06-11
| | | | | | | | | | | | The "ndfc-chip" device doesn't need any resources. All resources are handled by the "ndfc-nand" device. Registering the same memory resource twice causes "cat /proc/iomem" to go into an infinite loop displaying NDFC memory addresses. Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com> Acked-by: Stefan Roese <sr@denx.de> Acked-by: Sean MacLennan <smaclennan@pikatech.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] PIKA Warp: Update platform code to support Rev B boardsSean MacLennan2008-05-29
| | | | | | | | | | | * Switched from 64M NOR/64M NAND to 4M NOR/256M NAND. * Full DTM support including critical temperature. * Added POST information. * Removed LED function, moved to new LED driver. * Moved ad7414 to new style I2C initialization. Signed-off-by: Sean MacLennan <smaclennan@pikatech.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: Add idle wait support for 44x platformsJerone Young2008-04-16
| | | | | | | | | | | | | This changes the cpu_idle loop for 44x platforms to utilize the Wait Enable feature of the CPU. This helps virtulization solutions know when the guest Linux kernel is in an idle state. A command line option called "idle" is also added to allow people to change the idle loop back to the original variation. This is done by setting "idle=spin" on the kernel command line. Signed-off-by: Jerone Young <jyoung5@us.ibm.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: Use machine_device_initcall() for warp_nandValentine Barshak2008-04-05
| | | | | | | | | | | | With a multiplatform kernel, once built we always have warp_setup_nand_flash() called and NDFC probed, no matter what machine we actually run on. This potentially can cause problems (such as kernel crash), since NDFC is probed at a warp-predefined address. Using machine_device_initcall() NAND devices are registered if we run on a warp only. Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: Create common ppc4xx_reset_system() in ppc4xx_soc.cStefan Roese2008-04-02
| | | | | | | | | | | | | | This patch creates a common system reset routine for all 40x and 44x systems. Previously only a 44x routine existed. But since this system reset via the debug control register is common for 40x and 44x let's share this code for all those platforms in ppc4xx_soc.c. This patch also enables CONFIG_4xx_SOC for all 40x and 44x platforms. Tested on Kilauea (405EX) and Canyonlands (440EX). Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: Add PPC4xx L2-cache support (440GX)Stefan Roese2008-03-26
| | | | | | | | | | | | | | | This patch adds support for the 256k L2 cache found on some IBM/AMCC 4xx PPC's. It introduces a common 4xx SoC file (sysdev/ppc4xx_soc.c) which currently "only" adds the L2 cache init code. Other common 4xx stuff can be added later here. The L2 cache handling code is a copy of Eugene's code in arch/ppc with small modifications. Tested on AMCC Taishan 440GX. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: Add platform support for the AMCC Yosemite boardJosh Boyer2008-03-26
| | | | | | | | The AMCC 440EP Yosemite board is very similar to the original AMCC Bamboo board. This adds a YOSEMITE option to Kconfig, and reuses the existing bamboo board support in the kernel. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: Add AMCC Canyonlands 460EX eval board support to platforms/44xStefan Roese2008-03-26
| | | | | | | | | | | | | Canyonlands is the AMCC 460EX eval board, featuring nearly all of the 460EX interfaces: - 1 * PCI (max 66MHz), 2 * PCIe (one 4-lane, one 1-lane) - 2 * GBit Ethernet with TCP/IP acceleration - USB 2.0 Host/Device OTG and Host interface - SATA port Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 44x: Fix Kconfig formattingJosh Boyer2008-02-15
| | | | | | Clean up some whitespace issues in the 44x Kconfig file. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: Fix offset value on Warp boardSean MacLennan2008-02-06
| | | | | | | | While merging, I found a small bug that I forgot to send. I add an offset to a value twice. Signed-off-by: Sean MacLennan <smaclennan@pikatech.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: PIKA Warp base platformSean MacLennan2008-01-25
| | | | | | | Add the base platform support for the PIKA Warp boards. Signed-off-by: Sean MacLennan <smaclennan@pikatech.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] Enable RTC for Ebony and Walnut (v2)David Gibson2008-01-25
| | | | | | | | | | | | | | | | | | | | | | | | | This patch extends the Ebony and Walnut platform code to instantiate the existing ds1742 RTC class driver for the DS1743 RTC/NVRAM chip found on both those boards. The patch uses a helper function to scan the device tree and instantiate the appropriate platform_device based on it, so it should be easy to extend for other boards which have mmio mapped RTC chips. Along with this, the device tree binding for the ds1743 chips is tweaked, based on the existing DS1385 OF binding found at: http://playground.sun.com/1275/proposals/Closed/Remanded/Accepted/346-it.txt Although that document covers the NVRAM portion of the chip, whereas here we're interested in the RTC portion, so it's not entirely clear if that's a good model. This implements only RTC class driver support - that is /dev/rtc0, not /dev/rtc, and the low-level get/set time callbacks remain unimplemented. That means in order to get at the clock you will either need a modified version of hwclock which will look at /dev/rtc0, or you'll need to configure udev to symlink rtc0 to rtc. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] Use <linux/of_{platform, device}.h> and not <asm/...> variants.Jon Loeliger2008-01-16
| | | | | Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] 4xx: typo in calling machine_device_initcall() for Sequoia boardGrant Likely2008-01-02
| | | | | | | Fix an obvious typo. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: Use machine_device_initcall for bus probeJosh Boyer2007-12-24
| | | | | | | | Some machine_xx_initcall macros were recently added that check for the machine type before calling the function. This converts the 4xx platforms to use those for bus probing. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: Mark of_bus structures as __initdataJosh Boyer2007-12-24
| | | | | | | Mark the of_device_id structures used to probe the various busses on 4xx as __initdata. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: Update Kilauea, Rainier, and Walnut defconfigsJosh Boyer2007-12-23
| | | | | | | Enable PCI support for these eval boards among other things. Also selects PCI for Rainier in the Kconfig file. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: libfdt and pci fixes for RainierJosh Boyer2007-12-23
| | | | | | | Update the Rainier wrapper for the libfdt merge and add the pci flags to the platform file. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: Include missing headerJosh Boyer2007-12-23
| | | | | | | A small error caused a header file to be removed making sequoia support no longer compile. Fix it. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: 440GRx Rainier board support.Valentine Barshak2007-12-23
| | | | | | | PowerPC 440GRx Rainier board support. Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] pci32: 4xx embedded platforms want to reassign all PCI resourcesBenjamin Herrenschmidt2007-12-23
| | | | | | | | | | | | | | This makes 4xx embedded platforms re-assign all PCI resources as we pretty much never care about what the various firmwares have done on these, it's generally not compatible with the way the kernel will map the bridges. We still need to also enable bus renumbering on some of them, but I will do that from a separate patch after I've fixed 4xx PCIe to handle all bus numbers. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* [POWERPC] 4xx: Base support for 440SPe "Katmai" eval boardBenjamin Herrenschmidt2007-12-23
| | | | | | | | | This adds base support for the Katmai board, including PCI-X and PCI-Express (but no RTC, nvram, etc... yet). Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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