Tom Warren [Thu, 28 Feb 2013 06:30:03 +0000 (06:30 +0000)]
Tegra30: Cardhu: Remove unneeded cardhu.c.mmc file
This was an older debug/developmental file that got added
accidentally. Not needed/used in any Cardhu build.
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tom Warren [Wed, 27 Feb 2013 05:52:52 +0000 (05:52 +0000)]
Tegra114: fdt: Sync DT nodes with kernel DT files (GPIO, tegra_car)
Minor edit to tegra_car node, add gpio node.
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tom Warren [Tue, 26 Feb 2013 12:18:48 +0000 (12:18 +0000)]
Tegra: Remove unused CONFIG_SYS_CPU_OSC_FREQUENCY define
This wasn't used anywhere in any Tegra build.
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tom Warren [Tue, 26 Feb 2013 07:59:30 +0000 (07:59 +0000)]
Tegra: Add twarren as maintainer for Tegra30 and Tegra114 SoCs
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Stephen Warren [Thu, 28 Feb 2013 12:40:09 +0000 (12:40 +0000)]
ARM: tegra: implement WAR for Tegra114 CPU reset vector
A Tegra114 HW bug prevents the main CPU vector from being modified under
certain circumstances. Tegra114 A01P and later with a patched boot ROM
set the CPU reset vector to 0x4003fffc (end of IRAM). This allows placing
an arbitrary jump instruction at that location, in order to redirect to
the desired reset vector location. Modify Tegra114's start_cpu() to make
use of this feature. This allows CPUs with the patched boot ROM to boot.
Based-on-work-by: Jimmy Zhang <jimmzhang@nvidia.com>.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Tom Warren [Thu, 21 Feb 2013 13:33:23 +0000 (13:33 +0000)]
Tegra30: fdt: Sync DT nodes with kernel DT files (I2C, SPI, GPIO, clock)
Minor edits to clock, apbdma and SPI, make I2C match kernel DT, and add gpio
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tom Warren [Thu, 21 Feb 2013 12:40:29 +0000 (12:40 +0000)]
Tegra: fdt: Remove memreserve line from Cardhu/Seaboard DT files
Not used, and wrong in Cardhu's case
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tom Warren [Thu, 21 Feb 2013 12:31:30 +0000 (12:31 +0000)]
Tegra: MMC: Add DT support to MMC driver for all T20 boards
tegra_mmc_init() now parses the DT info for bus width, WP/CD GPIOs, etc.
Tested on Seaboard, fully functional.
Tamonten boards (medcom-wide, plutux, and tec) use a different/new
dtsi file w/common settings.
Signed-off-by: Tom Warren <twarren@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tom Warren [Thu, 21 Feb 2013 12:31:29 +0000 (12:31 +0000)]
Tegra: fdt: Add/enhance sdhci (mmc) nodes for all T20 DT files
Linux dts files were used for those boards that didn't already
have sdhci info populated. Tamonten has their own dtsi file with
common sdhci nodes (sourced from Linux).
Signed-off-by: Tom Warren <twarren@nvidia.com>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tom Warren [Thu, 21 Feb 2013 12:31:28 +0000 (12:31 +0000)]
Tegra: fdt: tamonten: Add common tamonten.dtsi file from linux
Tamonten boards (medcom-wide, plutux, and tec) use a different/new
dtsi file w/common settings.
Signed-off-by: Tom Warren <twarren@nvidia.com>
Acked-by: Thierry Reding <thierry.reding@avionic-design.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tom Warren [Thu, 21 Feb 2013 12:31:27 +0000 (12:31 +0000)]
Tegra: fdt: Change /include/ to #include for C preprocessor
dts Makefile has the arch & board include paths added to DTS_CPPFLAGS.
This allows the use of '#include "xyz"' in the dts/dtsi file which
helps the C preprocessor find common dtsi include files.
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tom Warren [Fri, 8 Feb 2013 07:25:32 +0000 (07:25 +0000)]
Tegra114: I2C: Enable I2C driver on Dalmore E1611 eval board
Tested all 5 'buses', i2c probe enumerates device addresses on bus
0, 1 and 2.
Signed-off-by: Tom Warren <twarren@nvidia.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Tom Warren [Fri, 8 Feb 2013 07:25:31 +0000 (07:25 +0000)]
Tegra114: fdt: Update DT files with I2C info for T114/Dalmore
T114, like T30, does not have a separate/different DVC (power I2C)
controller like T20 - all 5 I2C controllers are identical, but
I2C5 is used to designate the controller intended for power
control (PWR_I2C in the schematics). PWR_I2C is set to 400KHz.
Signed-off-by: Tom Warren <twarren@nvidia.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tom Warren [Fri, 8 Feb 2013 07:25:30 +0000 (07:25 +0000)]
Tegra: I2C: Add T114 clock support to tegra_i2c driver
T114 has a slightly different I2C clock, with a new (extra) divisor
in standard/fast mode and HS mode. Tested on my Dalmore, and the I2C
clock is 100KHz +/- 3Hz on my Saleae Logic analyzer.
Added a new entry in compat_names for T114 I2C since it differs
from the previous Tegra SoCs. A flag is set when T114 I2C HW is
found so new features like the extra clock divisor can be used.
Signed-off-by: Tom Warren <twarren@nvidia.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Tom Warren [Wed, 27 Feb 2013 11:10:01 +0000 (11:10 +0000)]
Tegra114: I2C: Take DVFS out of reset to allow I2C5 (PWR_I2C) to work
I2C driver can now probe dev 0 (PWR_I2C, where the PMU, etc. lives).
This is needed so that the SDIO slot power can be brought up for
the MMC driver, so it has to precede those commits.
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Lucas Stach [Thu, 7 Feb 2013 07:16:30 +0000 (07:16 +0000)]
tegra: usb: move [start|stop]_port into ehci_hcd_[init|stop]
The ehci_hcd entry points were just calling into the Tegra USB
functions. Now that they are in the same file we can just move over the
implementation.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Lucas Stach [Thu, 7 Feb 2013 07:16:29 +0000 (07:16 +0000)]
tegra: usb: move implementation into right directory
This moves the Tegra USB implementation into the drivers/usb/host
directory. Note that this merges the old
/arch/arm/cpu/armv7/tegra20/usb.c file into ehci-tegra.c. No code
changes, just moving stuff around.
v2: While at it also move some defines and the usb.h header file to make
usb driver usable for Tegra30.
NOTE: A lot more work is required to properly init the PHYs and PLL_U on
Tegra30, this is just to make porting easier and it does no harm here.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Lucas Stach [Thu, 7 Feb 2013 07:16:28 +0000 (07:16 +0000)]
tegra: usb: various small cleanups
Remove unneeded headers, function prototype and stale comment, that
doesn't match the actual codebase anymore.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Lucas Stach [Thu, 7 Feb 2013 07:16:27 +0000 (07:16 +0000)]
tegra: usb: move controller init into start_port
There is no need to init a USB controller before the upper layers indicate
that they are actually going to use it.
board_usb_init now only parses the device tree and sets up the common pll.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Lucas Stach [Thu, 7 Feb 2013 07:16:26 +0000 (07:16 +0000)]
tegra: usb: remove unneeded function parameter
Just a dead parameter, never actually used.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Lucas Stach [Thu, 7 Feb 2013 07:16:25 +0000 (07:16 +0000)]
tegra: usb: make controller init functions more self contained
There is no need to pass around all those parameters. The init functions
are able to easily extract all the needed setup info on their own.
This allows to move out the controller init into ehci_hcd_init later
on, without having to save away global state for later use and thus
bloating the file global state.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Lucas Stach [Thu, 7 Feb 2013 07:16:24 +0000 (07:16 +0000)]
tegra: usb: set USB_PORTS_MAX to correct value
Both Tegra20 and Tegra30 have a max of 3 USB controllers.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Albert ARIBAUD [Mon, 25 Feb 2013 00:59:00 +0000 (00:59 +0000)]
Refactor linker-generated arrays
Refactor linker-generated array code so that symbols
which were previously linker-generated are now compiler-
generated. This causes relocation records of type
R_ARM_ABS32 to become R_ARM_RELATIVE, which makes
code which uses LGA able to run before relocation as
well as after.
Note: this affects more than ARM targets, as linker-
lists span possibly all target architectures, notably
PowerPC.
Conflicts:
arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds
arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds
arch/arm/cpu/armv7/omap-common/u-boot-spl.lds
board/ait/cam_enc_4xx/u-boot-spl.lds
board/davinci/da8xxevm/u-boot-spl-da850evm.lds
board/davinci/da8xxevm/u-boot-spl-hawk.lds
board/vpac270/u-boot-spl.lds
Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Albert ARIBAUD [Mon, 25 Feb 2013 00:58:59 +0000 (00:58 +0000)]
arm: make __bss_start and __bss_end__ compiler-generated
Turn __bss_start and __bss_end__ from linker-generated
to compiler-generated symbols, causing relocations for
these symbols to change type, from R_ARM_ABS32 to
R_ARM_RELATIVE.
This should have no functional impact, as it affects
references to __bss_start and __bss_end__ only before
relocation, and no such references are done.
Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Albert ARIBAUD [Mon, 25 Feb 2013 00:58:58 +0000 (00:58 +0000)]
Remove linker lists (LGAs) from SPL linker scripts
Many SPL linker scripts needlessly include linker lists (aka LGAs).
Remove them whenever possible; keep it only in the seven am335x_evm
variants (am335x_evm, am335x_evm_uart[1-5], am335x_evm_spiboot),
where there is actual content in output section .u_boot_list.
This commit keeps all u-boot.bin and u-boot-spl.bin in ARM targets
byte-identical.
Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Albert ARIBAUD [Mon, 25 Feb 2013 00:58:57 +0000 (00:58 +0000)]
arm: omap: map u_boot_lists section to .sram
Output section .u_boot_list was left unmapped in
u-boot-spl.lds for omap-common, causing the location
counter to roll back to bteween .rodata and .data,
making __image_copy_end and _end symbols wrong.
Mapping output section .u_boot_list to memory .sram
fixes these symbols' mapping.
This modifies the SPL binary but has no functional
impact, as __image_copy_end and _end are never used
in SPLs and u_boot_list is empty for all 29 boards
affected (omap4_sdp4430 eco5pk igep0030 am335x_evm_uart3
omap3_beagle am3517_crane igep0032 mt_ventoux pcm051
am3517_evm omap3_evm_quick_mmc am335x_evm_uart2
am335x_evm_spiboot am335x_evm_uart1 omap3_evm igep0030_nand
omap3_overo igep0020 am335x_evm omap4_panda omap5_evm
am335x_evm_uart4 devkit8000 tricorder mcx twister
omap3_evm_quick_nand am335x_evm_uart5 igep0020_nand).
Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Albert ARIBAUD [Tue, 12 Mar 2013 16:27:44 +0000 (17:27 +0100)]
Merge branch 'u-boot-atmel/master' into 'u-boot-arm/master'
Jesse Gilles [Wed, 27 Feb 2013 23:42:49 +0000 (23:42 +0000)]
ARM: sam9x5: fix ethernet pins in MII mode
Fix pin setting in MII mode
Signed-off-by: Jesse Gilles <jgilles@multitech.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Bo Shen [Thu, 7 Mar 2013 21:23:22 +0000 (21:23 +0000)]
ARM: at91sam9x5: Using CPU string directly
As the CPU name is not configurable, using CPU string directly
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Bo Shen [Wed, 20 Feb 2013 00:16:25 +0000 (00:16 +0000)]
ARM: at91: change nand flash table
Change nand flash partition table according to www.at91.com/linux4sam
more information: http://www.at91.com/linux4sam/bin/view/Linux4SAM/GettingStarted#Linux4SAM_NandFlash_demo_Memory
Signed-off-by: Bo Shen <voice.shen@atmel.com>
[minor commit message changes]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Nicolas Ferre [Wed, 20 Feb 2013 00:16:24 +0000 (00:16 +0000)]
arm: at91/configs: add bootz to configuration
Support to boot zImage
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
[Add bootz for at91rm9200, at91sam9263, at91sam9rl]
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Nicolas Ferre [Wed, 20 Feb 2013 00:16:23 +0000 (00:16 +0000)]
arm: at91/configs: add libfdt to configuration
support to boot device tree Linux kernel
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
[Add libftd for at91rm9200, at91sam9263, at91sam9rl]
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Tom Rini [Mon, 11 Mar 2013 16:02:40 +0000 (12:02 -0400)]
Merge u-boot/master into u-boot-ti/master
In master we had already taken a patch to fix the davinci GPIO code for
CONFIG_SOC_DM646X and in u-boot-ti we have additional patches to support
DA830 (which is CONFIG_SOC_DA8XX && !CONFIG_SOC_DA850). Resolve these
conflicts manually and comment the #else/#endif lines for clarity.
Conflicts:
arch/arm/include/asm/arch-davinci/gpio.h
drivers/gpio/da8xx_gpio.c
Signed-off-by: Tom Rini <trini@ti.com>
Lokesh Vutla [Tue, 12 Feb 2013 21:29:03 +0000 (21:29 +0000)]
arm: dra7xx: Add silicon id support for DRA752 soc
Adding CPU detection support for the DRA752 ES1.0 soc.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
Lokesh Vutla [Sun, 17 Feb 2013 23:34:35 +0000 (23:34 +0000)]
arm: dra7xx: Add dra7xx_evm build support
Adding the build support for dra7xx_evm.
Reusing omap5_evm.h config by moving it to omap5_common.h
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Lokesh Vutla [Tue, 12 Feb 2013 21:29:08 +0000 (21:29 +0000)]
arm: dra7xx: Add board files for DRA7XX socs
Adding new board files for DRA7XX socs.
The pad registers layout is changed completely from OMAP5
So introducing the new structure here and also adding the
minimal data.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Nishant Kamat <nskamat@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
[trini: Adapt omap_mmc_init call for last 2 params]
Signed-off-by: Tom Rini <trini@ti.com>
Lokesh Vutla [Tue, 12 Feb 2013 21:29:07 +0000 (21:29 +0000)]
arm: dra7xx: Add DDR related data for DRA752 ES1.0
DRA752 uses DDR3. Populating the corresponding structures
with DDR3 data.
Writing into MA registers if only MA is present in that soc.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
Lokesh Vutla [Tue, 12 Feb 2013 21:29:06 +0000 (21:29 +0000)]
arm: dra7xx: Add control module changes
Control module register addresses are changed from OMAP5
to DRA7XX socs.
So adding the necessary changes for the same.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
Lokesh Vutla [Tue, 12 Feb 2013 21:29:05 +0000 (21:29 +0000)]
arm: dra7xx: clock: Add the dplls data
A new DPLL DDR is added in DRA7XX socs. Now clocks to
EMIF CD is from DPLL DDR. So DPLL DDR should be locked
before initializing RAM.
Also adding other dpll data which are different from OMAP5 ES2.0.
SYS_CLK running at 20MHz is introduced in DRA7xx socs.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
Lokesh Vutla [Sun, 17 Feb 2013 23:33:37 +0000 (23:33 +0000)]
arm: dra7xx: clock: Add the prcm changes
PRCM register addresses are changed from OMAP5 ES2.0 to DRA7XX.
So adding the necessary register changes for DRA7XX socs.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Lokesh Vutla [Tue, 12 Feb 2013 01:33:45 +0000 (01:33 +0000)]
ARM: OMAP5: srcomp: enable slew rate compensation cells after powerup
After power-up SRCOMP cells are by-passed by default in OMAP5.
Software has to enable these SRCOMP sells.
For ES2: All 5 SRCOMP cells needs to be enabled.
For ES1: Only 4 SRCOMP cells in core power domain are enabled.
The 1 in wkup domain is not enabled because smart i/os
of wkup domain work with default compensation code.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
Cc: Tom Rini <trini@ti.com>
Lokesh Vutla [Tue, 12 Feb 2013 01:33:44 +0000 (01:33 +0000)]
ARM: OMAP5: Add DDR changes required for OMAP543X ES2.0 SOCs
Add pre calculated timing settings of LPDDR2 and DDR3 memories
present in OMAP5430 and OMAP5432 ES2.0 versions.
Also adding the DDR pad io settings required for
OMAP543X SOCs here.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
Cc: Tom Rini <trini@ti.com>
SRICHARAN R [Tue, 12 Feb 2013 01:33:43 +0000 (01:33 +0000)]
ARM: OMAP4/5: clocks: Add the required OPP settings as per the latest addendum
Change OPP settings as per the latest 0.5 version of
addendum for OMAP5430 ES2.0. omap4/hw_data.c is touched
here to add dummy dividers.
While here correcting OPP_NOM mpu, core frequency for
OMAP4430 ES2.x
Note that OMAP5430 ES1.0 support is still kept alive and
would be removed in a cleanup later.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Cc: Tom Rini <trini@ti.com>
Cc: Nishanth Menon <nm@ti.com>
SRICHARAN R [Tue, 12 Feb 2013 01:33:42 +0000 (01:33 +0000)]
ARM: OMAP5: clock: Add the prcm register changes required for ES2.0
PRCM register addresses are changed from ES1.0 to ES2.0 due to
PER power domain getting moved to CORE power domain.
So adding the nessecary register changes for the same.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
Cc: Tom Rini <trini@ti.com>
SRICHARAN R [Tue, 12 Feb 2013 01:33:41 +0000 (01:33 +0000)]
ARM: OMAP5: Add silicon id support for ES2.0 revision.
Adding the CPU detection suport for OMAP5430 and
OMAP5432 ES2.0 SOCs.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Cc: Tom Rini <trini@ti.com>
Cc: Nishanth Menon <nm@ti.com>
Lokesh Vutla [Mon, 4 Feb 2013 04:22:05 +0000 (04:22 +0000)]
ARM: OMAP5: Clean up iosettings code
There is some code duplication in the ddr io settings code.
This is avoided by moving the data to a Soc specific place and
letting the code generic.
This avoids unnessecary code addition for future socs.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
Lokesh Vutla [Mon, 4 Feb 2013 04:22:04 +0000 (04:22 +0000)]
ARM: OMAP4+: Make control module register structure generic
A seperate omap_sys_ctrl_regs structure is defined for
omap4 & 5. If there is any change in control module for
any of the ES versions, a new structure needs to be created.
In order to remove this dependency, making the register
structure generic for all the omap4+ boards.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
Lokesh Vutla [Mon, 4 Feb 2013 04:22:03 +0000 (04:22 +0000)]
ARM: OMAP4+: Cleanup emif specific files
Removing the duplicated code in ddr3 initialization.
Also creating structure for lpddr2 mode registers to
avoid unnessecary revision checks.
These change reduces code addition for future Socs.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
SRICHARAN R [Mon, 4 Feb 2013 04:22:02 +0000 (04:22 +0000)]
ARM: OMAP4+: Clean up the pmic code
The pmic code is duplicated for OMAP 4 and 5.
Instead move the data to Soc specific place and
share the code.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
SRICHARAN R [Mon, 4 Feb 2013 04:22:01 +0000 (04:22 +0000)]
ARM: OMAP4+: Cleanup the clocks layer
Currently there is quite a lot of code which
is duplicated in the clocks code for OMAP 4 and 5
Socs. Avoiding this here by moving the clocks
data to a SOC specific place and the sharing the
common code.
This helps in addition of a new Soc with minimal
changes.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
SRICHARAN R [Mon, 4 Feb 2013 04:22:00 +0000 (04:22 +0000)]
ARM: OMAP4+: Change the PRCM structure prototype common for all Socs
The current PRCM structure prototype directly matches the hardware
register layout. So there is a need to change this for every new silicon
revision which has register space changes.
Avoiding this by making the prototye generic and populating the register
addresses seperately for all Socs.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Lokesh Vutla [Mon, 4 Feb 2013 04:21:59 +0000 (04:21 +0000)]
ARM: OMAP4+: emif: Detect SDRAM from SDRAM config register
Now SDRAM initialization is done on the basis of omap revision.
Instead this should be done on basis of SDRAM type read from
EMIF_SDRAM_CONFIG register. This will be helpful to avoid
unnessecary cpu checks for new boards
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
Nikita Kiryanov [Sun, 24 Feb 2013 06:19:23 +0000 (06:19 +0000)]
cm_t35: prevent splashimage from being set to a bad value
Define CONFIG_SPLASHIMAGE_GUARD to prevent splashimage from being
set to a value that will cause U-Boot to hang while displaying a
splash screen.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Nikita Kiryanov [Sun, 24 Feb 2013 21:28:43 +0000 (21:28 +0000)]
lcd: implement a callback for splashimage
On some architectures certain values of splashimage will lead to
a data abort exception.
Document the problem, and implement a callback for splashimage to
reject such values.
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Mugunthan V N [Tue, 19 Feb 2013 21:34:44 +0000 (21:34 +0000)]
am335x: cpsw: optimize cpsw_send to increase network performance
Before submitting packets to cpdma, phy status is updated on every packet
which leads to delay in packet send intern reduces the Ethernet performance.
Checking mdio status for each packet will reduce timetaken to send a packet
and there by increasing the Ethernet performance. With this the performance
is increased from 208KiB/s to 375KiB/s on EVMsk
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Tom Rini [Tue, 19 Feb 2013 11:18:18 +0000 (11:18 +0000)]
omap4_common: Enable CONFIG_CMD_BOOTZ
With v3.9 and later of the Linux Kernel defaulting to multi-platform
images with omap2plus_defconfig, uImage isn't builtable anymore by
default. Add CONFIG_CMD_BOOTZ so that we can still boot something the
kernel spits out.
Cc: Sricharan R <r.sricharan@ti.com>
Signed-off-by: Tom Rini <trini@ti.com>
Reviewed-by: R Sricharan <r.sricharan@ti.com>
Tom Rini [Tue, 19 Feb 2013 11:18:17 +0000 (11:18 +0000)]
omap3_beagle: Enable CONFIG_CMD_BOOTZ
With v3.9 and later of the Linux Kernel defaulting to multi-platform
images with omap2plus_defconfig, uImage isn't builtable anymore by
default. Add CONFIG_CMD_BOOTZ so that we can still boot something the
kernel spits out.
Signed-off-by: Tom Rini <trini@ti.com>
Tom Rini [Tue, 19 Feb 2013 11:18:16 +0000 (11:18 +0000)]
omap5_evm: Enable CONFIG_CMD_BOOTZ
With v3.9 and later of the Linux Kernel defaulting to multi-platform
images with omap2plus_defconfig, uImage isn't builtable anymore by
default. Add CONFIG_CMD_BOOTZ so that we can still boot something the
kernel spits out.
Cc: Sricharan R <r.sricharan@ti.com>
Signed-off-by: Tom Rini <trini@ti.com>
Reviewed-by: R Sricharan <r.sricharan@ti.com>
Tom Rini [Tue, 19 Feb 2013 11:18:15 +0000 (11:18 +0000)]
am335x_evm: Enable CONFIG_CMD_BOOTZ
With v3.9 and later of the Linux Kernel defaulting to multi-platform
images with omap2plus_defconfig, uImage isn't builtable anymore by
default. Add CONFIG_CMD_BOOTZ so that we can still boot something the
kernel spits out.
Signed-off-by: Tom Rini <trini@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Mark Jackson [Mon, 18 Feb 2013 01:26:29 +0000 (01:26 +0000)]
Allow AM33xx boards to setup GPMC chipselects.
Expose the enable_gpmc_cs_config() function so AM33xx based boards can register GPMC chip selects.
Changes in V4:
- Fix checkpatch errors (TAB -> space mangling)
Changes in V3:
- Fix line wrapping
Changes in V2:
- Indicate this is for AM33xx (not OMAP2)
Signed-off-by: Mark Jackson <mpfj@newflow.co.uk>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Enric Balletbo i Serra [Thu, 7 Feb 2013 23:14:49 +0000 (23:14 +0000)]
OMAP3: Initialize gpmc if SPL_ONENAND_SUPPORT is enabled.
In order to use SPL boot from OneNAND we should initialize the gpmc.
Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Enric Balletbo i Serra [Thu, 7 Feb 2013 23:14:48 +0000 (23:14 +0000)]
SPL: ONENAND: Support SPL to boot u-boot from OneNAND.
This patch will allow use SPL to boot an u-boot from the OneNAND.
Tested with IGEPv2 board with a OneNAND from Numonyx
Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
[trini: Add <spl.h> hunk to fix warning]
Signed-off-by: Tom Rini <trini@ti.com>
Enric Balletbo i Serra [Thu, 7 Feb 2013 23:14:47 +0000 (23:14 +0000)]
SPL: ONENAND: Fix onenand_spl_load_image implementation.
Tested with an IGEPv2 board seems that current onenand_spl_load_image implementation
doesn't work. This patch fixes this function changing the read loop and reading the
onenand blocks from page to page.
Tested with various IGEP based boards with a OneNAND from Numonyx.
Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Enric Balletbo i Serra [Thu, 7 Feb 2013 23:14:46 +0000 (23:14 +0000)]
SPL: ONENAND: Fix some ONENAND related defines.
Some ONENAND related defines use the term ONE_NAND instead of
ONENAND, as the technology name is ONENAND this patch replaces
all these defines.
Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Nikita Kiryanov [Wed, 30 Jan 2013 21:39:59 +0000 (21:39 +0000)]
cm-t35: add support for user defined lcd parameters
Add support for user defined lcd parameters for cm-t35 splash screen.
Cc: Jeroen Hofstee <jeroen@myspectrum.nl>
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Nikita Kiryanov [Wed, 30 Jan 2013 21:39:58 +0000 (21:39 +0000)]
cm-t35: add support for dvi displays
Add support for dvi displays with user selectable dvi presets.
Cc: Wolfgang Denk <wd@denx.de>
Cc: Jeroen Hofstee <jeroen@myspectrum.nl>
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Nikita Kiryanov [Wed, 30 Jan 2013 21:39:57 +0000 (21:39 +0000)]
lcd: add option for board specific splash screen preparation
Currently there is no logical place to put the code that prepares the
splash image data. The splash image data should be ready in memory
before bmp_display() is called, and after the environment is ready
(since lcd.c looks for the splash image in an address specified by
the environment variable "splashimage").
Our window of opportunity in board_init_r() is therefore: between
env_relocate() and bmp_display(), and from the available options
only the lcd related functions in drv_lcd_init() seem appropriate
for such lcd oriented code.
Add the option to prepare the splash image data in lcd_logo() right
before it is sent to be displayed.
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Jeroen Hofstee <jeroen@myspectrum.nl>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Nikita Kiryanov [Wed, 30 Jan 2013 21:39:55 +0000 (21:39 +0000)]
omap3: allow dynamic selection of gfx_format
Currently, omap3_dss_panel_config() sets gfx_format to a value that is hardcoded
in the code. This forces anyone who wants to use a different gfx_format to make
adjustments after calling omap3_dss_panel_config(). This could be avoided if the
value of gfx_format were parameterized as input for omap3_dss_panel_config().
Make gfx_format a field in struct panel_config, and update existing structs to
set this field to the value that was originally hard coded.
Cc: Wolfgang Denk <wd@denx.de>
Cc: Jeroen Hofstee <jeroen@myspectrum.nl>
Cc: Tom Rini <trini@ti.com>
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Nikita Kiryanov [Wed, 30 Jan 2013 21:39:54 +0000 (21:39 +0000)]
omap3: add useful dss defines
Add useful omap3 dss defines for: polarity, TFT data lines, lcd
display type, gfx burst size, and gfx format
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Jeroen Hofstee <jeroen@myspectrum.nl>
Cc: Tom Rini <trini@ti.com>
Cc: Wolfgang Denk <wd@denx.de>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Nikita Kiryanov [Mon, 3 Dec 2012 02:19:47 +0000 (02:19 +0000)]
omap_hsmmc: add driver check for write protection
Add check for write protection in omap mmc driver.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Tom Rini <trini@ti.com>
Nikita Kiryanov [Mon, 3 Dec 2012 02:19:46 +0000 (02:19 +0000)]
mmc: add support for write protection
Add generic mmc write protection functionality.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Nikita Kiryanov [Mon, 3 Dec 2012 02:19:45 +0000 (02:19 +0000)]
cm-t35: implement board specific card detect check
Implement a card detection check for cm-t35.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Nikita Kiryanov [Mon, 3 Dec 2012 02:19:44 +0000 (02:19 +0000)]
omap_hsmmc: implement driver check for card detection
Implement driver check for card detection.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Nikita Kiryanov [Mon, 3 Dec 2012 02:19:43 +0000 (02:19 +0000)]
omap_hsmmc: introduce omap_hsmmc_data struct
Currently there's no appropriate place to store driver specific data
because the pointer that is meant for that (priv) is being used to
store the base address of mmc registers.
Introduce a new struct for storing driver specific data.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Nikita Kiryanov [Mon, 3 Dec 2012 02:19:42 +0000 (02:19 +0000)]
omap_hsmmc: fix out of bounds array access
There are 3 MMC/SD/SDIO controllers in OMAP SoCs, but only 2 structs
are defined for devices. This leads to data being written outside of
array bounds on systems that use all 3 controllers.
Update hsmmc_dev array to the correct size.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Nikita Kiryanov [Mon, 3 Dec 2012 02:19:41 +0000 (02:19 +0000)]
omap: consolidate common mmc definitions
The various mmc_host_def.h files are almost identical.
Reduce code duplication by moving the similar definitions to a common
header file.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Tom Rini [Tue, 26 Feb 2013 21:35:33 +0000 (16:35 -0500)]
am33xx: Update DDR3 EMIF configuration sequence
Based on
http://processors.wiki.ti.com/index.php/AM335x_EMIF_Configuration_tips
we need to re-work our sequence in config_sdram slightly to match what
the TRM describes as the correct sequence. In our current (incorrect)
sequence some edge cases may fail to initalize correctly.
Signed-off-by: Tom Rini <trini@ti.com>
Tom Rini [Tue, 26 Feb 2013 20:43:22 +0000 (15:43 -0500)]
am335x_evm: Add am335x_evm_usbspl build target
We add USB (RNDIS gadget) SPL support as a separate target. We need to
pull out YMODEM support in order to be a small enough target binary.
Signed-off-by: Tom Rini <trini@ti.com>
Tom Rini [Tue, 26 Feb 2013 18:08:53 +0000 (13:08 -0500)]
am335x_evm: Never set CONFIG_EXTRA_ENV_SETTINGS in SPL
Because of our support for network-based SPL, we don't discard all of
the environment related functions. We however never make use of the
default CONFIG_EXTRA_ENV_SETTINGS items and as this variable grows, it
brings us closer to (or with some toolchains, over) our SPL size limit.
Never set this in the case of SPL.
Signed-off-by: Tom Rini <trini@ti.com>
Simon Glass [Thu, 28 Feb 2013 19:26:18 +0000 (19:26 +0000)]
x86: Enable CONFIG_OF_CONTROL on coreboot
Make use of a device tree on coreboot boards, and set the default
to link.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 28 Feb 2013 19:26:17 +0000 (19:26 +0000)]
x86: Adjust link device tree include file
This is currently set to coreboot.dtsi, but we cannot support this on
old device tree compilers (dtc <= 1.3), so adjust to use ARCH_CPU_DTS
to let the Makefile preprocessor sort this out.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 28 Feb 2013 19:26:16 +0000 (19:26 +0000)]
x86: Add error checking to x86 relocation code
This does not actually change normal behaviour, but adds a check that
should detect corruption of relocation data (e.g. by using BSS data
prior to relocation).
Also add additional debugging output when enabled.
During this investigation, two situations have been seen:
1. calculate_relocation_address():
uintptr_t size = (uintptr_t)&__bss_end - (uintptr_t)&__text_start;
turns into
111166f: b8 83 c4 17 01 mov $0x117c483,%eax
whih is beyond the end of bss:
0117b484 g .bss
00000000 __bss_end
Somehow the __bss_end here is 255 bytes ahead.
2. do_elf_reloc_fixups():
uintptr_t size = (uintptr_t)&__bss_end - (uintptr_t)&__text_start;
Here the __text_start is 0 in the file:
1111d9f: bb a0 e0 13 01 mov $0x113e0a0,%ebx
1111da4: 81 ef 00 00 00 00 sub $0x0,%edi
As it happens, both of these are in pre-relocation code.
For these reasons we silent check and ignore bad relocations.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 28 Feb 2013 19:26:15 +0000 (19:26 +0000)]
x86: Support relocation of FDT on start-up
With CONFIG_OF_CONTROL we may have an FDT in the BSS region. Relocate
it up with the rest of U-Boot to keep the rest of memory free.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 28 Feb 2013 19:26:14 +0000 (19:26 +0000)]
x86: Rearrange the output input to remove BSS
At present BSS data is including in the image, which wastes binary space.
Remove it by rearranging the sections so that BSS is last.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 28 Feb 2013 19:26:13 +0000 (19:26 +0000)]
x86: Add an __end symbol to signal the end of the U-Boot binary
With this symbol we can easy append something (e.g. an FDT) to the U-Boot
binary and access it from within U-Boot.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 28 Feb 2013 19:26:12 +0000 (19:26 +0000)]
x86: Permit bootstage and timer data to be used prior to relocation
It is useful to be able to access the timer before U-Boot has relocated
so that we can fully support bootstage.
Add new global_data members to support this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 28 Feb 2013 19:26:11 +0000 (19:26 +0000)]
x86: Add basic cache operations
At present most x86 cache operations are undefined. Add a basic
implementation for these.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 28 Feb 2013 19:26:10 +0000 (19:26 +0000)]
x86: Add function to get top of usable ram
The memory layout calculations are done in calculate_relocation_address(),
and coreboot has its own version of this function. But in fact all we
really need is to set the top of usable RAM, and then the base version
will work as is.
So instead of allowing the whole calculate_relocation_address() function
to be replaced, create board_get_usable_ram_top() which can be used by
a board to specify the top of the area where U-Boot relocations to.
Signed-off-by: Simon Glass <sjg@chromium.org>
Tom Rini [Mon, 4 Mar 2013 21:29:17 +0000 (16:29 -0500)]
Prepare v2013.04-rc1
Signed-off-by: Tom Rini <trini@ti.com>
Sonic Zhang [Thu, 28 Feb 2013 20:21:13 +0000 (20:21 +0000)]
kerneldoc: Add Sonic Zhang to alias bfin in git-mailrc.
Signed-off-by: Sonic Zhang <sonic.adi@gmail.com>
Daniel Schwierzeck [Tue, 26 Feb 2013 04:54:19 +0000 (04:54 +0000)]
bootm: fix conditional compilation for bootm ramdisk subcommand
All code related to the bootm ramdisk subcommand is conditionally
enabled by CONFIG_SYS_BOOT_RAMDISK_HIGH except for the help message.
Replace the CONFIG_ARCH defines by CONFIG_SYS_BOOT_RAMDISK_HIGH
to fix this.
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Joe Hershberger [Fri, 8 Feb 2013 10:12:34 +0000 (10:12 +0000)]
env: Avoid clobbering an edited variable on ctrl-c
If readline says there was an error, don't write to the variable!
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Joe Hershberger [Thu, 1 Nov 2012 16:54:18 +0000 (16:54 +0000)]
ubifs: Allow ubifsmount volume reference by number
UBI can mount volumes by name or number The current code forces you
to name the volume by prepending every name with "ubi:".
>From fs/ubifs/super.c
* There are several ways to specify UBI volumes when mounting UBIFS:
* o ubiX_Y - UBI device number X, volume Y;
* o ubiY - UBI device number 0, volume Y;
* o ubiX:NAME - mount UBI device X, volume with name NAME;
* o ubi:NAME - mount UBI device 0, volume with name NAME.
Now any name passed in any of the above forms are allowed.
Also update the configs that referenced ubifsmount.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Simon Glass [Wed, 26 Dec 2012 09:53:38 +0000 (09:53 +0000)]
sandbox: config: Enable sandbox command
The 'sb' command allows loading files from the host, and listing
directories.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>
Simon Glass [Wed, 26 Dec 2012 09:53:37 +0000 (09:53 +0000)]
sandbox: Enable ext4 and fat filesystems
These are useful for build-testing code, at least.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>
Simon Glass [Wed, 26 Dec 2012 09:53:36 +0000 (09:53 +0000)]
sandbox: Add 'sb' command to access filesystem features
The new 'sb' command is intended to deal with sandbox-specific features
that have no parallel in other archs. This commit adds two sub-commands
to list a directory and read a file from the host filesystem.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>
Simon Glass [Wed, 26 Dec 2012 09:53:35 +0000 (09:53 +0000)]
sandbox: Add host filesystem
This allows reading of files from the host filesystem in sandbox.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>
Simon Glass [Wed, 26 Dec 2012 09:53:34 +0000 (09:53 +0000)]
sandbox: Add a way of obtaining directory listings
This implementation uses opendir()/readdir() to access the directory
information and then puts it in a linked list for the caller's use.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>
Simon Glass [Wed, 26 Dec 2012 09:53:33 +0000 (09:53 +0000)]
fs: Move ls and read methods into ext4, fat
It doesn't make a lot of sense to have these methods in fs.c. They are
filesystem-specific, not generic code. Add each to the relevant
filesystem and remove the associated #ifdefs in fs.c.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>
Simon Glass [Wed, 26 Dec 2012 09:53:32 +0000 (09:53 +0000)]
fs: Use map_sysmem() on read
This allows us to use filesystems on sandbox. It has no effect on other
architectures.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>