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The restore sequence in lowlevel_init was in the wrong order,
causing lr to lose its original value and be set equal to ip
instead. Also, its use of the stack clashes with that of
s_init, so move the s_init call after the restore and turn
it into a tail-optimized branch.
Signed-off-by: Albert ARIBAUD <[email protected]>
Tested-by: Jeroen Hofstee <[email protected]>
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lowlevel_init() of rmobile badly assumed that ip register holds return address.
The commit "63ee53a7 armv7 cpu_init_crit: Simplify code" breaks this assumption.
This patch removes this bad assumption and simplify code.
Signed-off-by: Tetsuyuki Kobayashi <[email protected]>
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This patch aims at ensuring that the 2012.10 release works
out-of-the-box on as many targets as possible, by reinstating
commit 5347560f5427bcdd48a563b62180481606ac8044, which adds
option -mno-unaligned-access to armv7 builds.
This patch will be overriden immediately after release of 2012.10.
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Add minimal support for Altera's SOCFPGA Cyclone 5 hardware.
Signed-off-by: Dinh Nguyen <[email protected]>
Signed-off-by: Chin Liang See <[email protected]>
Signed-off-by: Pavel Machek <[email protected]>
Reviewed-by: Marek Vasut <[email protected]>
Acked-by: Tom Trini <[email protected]>
Cc: Wolfgang Denx <[email protected]>
Cc: Albert Aribaud <[email protected]>
Cc: Stefan Roese <[email protected]>
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v8: Remove no_return attribute for reset_cpu
Based on v2012.10-rc2
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Add timer driver.
Signed-off-by: Michal Simek <[email protected]>
CC: Joe Hershberger <[email protected]>
CC: Marek Vasut <[email protected]>
Acked-by: Marek Vasut <[email protected]>
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When the u-boot address of destination equal to __start,
no relocation. relocation offset(r9) = 0.
Signed-off-by: Zhong Hongbo <[email protected]>
Tested-by: Stefano Babic <[email protected]>
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ARM boards need to change device tree settings as well
Signed-off-by: Joe Hershberger <[email protected]>
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These options are just duplicated from arch/arm/cpu/armv7/config.mk
Signed-off-by: Michal Simek <[email protected]>
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We don't need to return to cpu_init_crit after calling lowlevel_init, so
lowlevel_init can directly return to the caller of cpu_init_crit.
Signed-off-by: Benoît Thébaudeau <[email protected]>
Cc: Albert Aribaud <[email protected]>
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Disable sibling call optimization based on binutils version. This is
to work around a bug in the assember in binutils versions < 2.22.
Branches to weak symbols can be incorrectly optimized in thumb mode to
a short branch (b.n instruction) that won't reach when the symbol gets
preempted.
http://sourceware.org/bugzilla/show_bug.cgi?id=12532
Signed-off-by: Allen Martin <[email protected]>
Acked-by: Tom Rini <[email protected]>
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The bootm initrd image copy to ram can collide with the stack in cases
where the print buffer size is large (i.e. 1K). The result is intermittent
initrd decompression errors depending on the initrd size MOD 4KB since
the initrd start address is 4KB aligned.
Cc: Albert ARIBAUD <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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include/common.h has the reset_cpu defined already. No need to
re-define here.
Signed-off-by: Dinh Nguyen <[email protected]>
Signed-off-by: Pavel Machek <[email protected]>
Acked-By: Prafulla Wadaskar <[email protected]>
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Size of the SDRAM chips might differ between any two (otherwise
identical) instances of the same board.
So add a function kw_sdram_size_adjust() which reads out the current
ram size for a given bank, and adjusts the Kirkwood's SDRAM window size
register accordingly.
Signed-off-by: Gerlando Falauto <[email protected]>
Signed-off-by: Holger Brunck <[email protected]>
cc: Prafulla Wadaskar <[email protected]>
cc: Valentin Longchamp <[email protected]>
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Some boards might be equipped with different SDRAM configurations.
When that is the case, CPU CS Window Size Register (CS[0]n Size)
should be set to the biggest value through board.cfg file; then its
value can be fixed at runtime according to the detected SDRAM size.
Therefore, implement kw_sdram_bs_set().
Signed-off-by: Gerlando Falauto <[email protected]>
Signed-off-by: Holger Brunck <[email protected]>
cc: Prafulla Wadaskar <[email protected]>
cc: Valentin Longchamp <[email protected]>
cc: Marek Vasut <[email protected]>
Acked-by: Prafulla Wadaskar <[email protected]>
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Remove the defines and do this with a C-struct.
Signed-off-by: Holger Brunck <[email protected]>
cc: Prafulla Wadaskar <[email protected]>
cc: Valentin Longchamp <[email protected]>
cc: Gerlando Falauto <[email protected]>
cc: Marek Vasut <[email protected]>
Acked-By: Prafulla Wadaskar <[email protected]>
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Signed-off-by: Luka Perkov <[email protected]>
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It's now possible to use the gpio driver interface
for s3c2440. This patch add iomux definitions too.
Signed-off-by: Gabriel Huau <[email protected]>
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Rmobile common timer driver diverts the same driver as SH architecture.
When it builds at the same place with source, it is no problem, but when
it builds out of source, it cannot build.
This patch revises this problem.
Reported-by: Albert ARIBAUD <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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This supports ethernet driver of RMOBILE R8A7740.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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The Armadillo-800EVA board has Renesas R-Mobile R8A7740, 512MB DDR3-SDRAM,
Ethernet, and more.
This patch supports the following functions:
- 512MB DDR3-SDRAM
- Serial console (SCIF)
- Ethernet MAC(MII) & PHY(SMSC)
Signed-off-by: Hideyuki Sano <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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Renesas R8A7740 has GPIO based PFC. This privode framework of PFC.
The code included in this base from linux kernel.
Signed-off-by: Hideyuki Sano <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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Renesas R8A7740 is CPU with Cortex-A9.
This supports the basic register definition and GPIO.
Signed-off-by: Hideyuki Sano <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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Some rmobile SoC has TMU base timer function. This supports TMU.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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There is rmobile without ICCICR.
ICCICR is initialized only when ICCICR is defined.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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According to SoC document, revision info is separated to integer part and
fracton part.
So I separete rmobile_get_cpu_rev() to rmobile_get_cpu_rev_integer() and
rmobile_get_cpu_rev_fraction().
Signed-off-by: Tetsuyuki Kobayashi <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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CPU info register was read wrongly by mistake. And function rmobile_get_cpu_rev() was not called properly.
Signed-off-by: Tetsuyuki Kobayashi <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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Add dummy member to struct sh73a0_rwdt in sh73a0.h.
Without this, initializing watch dog timer goes wrong.
Signed-off-by: Tetsuyuki Kobayashi <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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Latest rmobile code was tested by using old gcc (gcc-4.4).
When we use gcc-4.6 (or later), the build is made, but does not work.
This solves a problem not to work by add -march=armv5 to compiple option
when we built in gcc-4.6 (or later).
I tested by linaro's compiler version 2012.04-20120426.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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Do soft power on reset in U-Boot reset command.
Signed-off-by: Tetsuyuki Kobayashi <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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Adjust low level hardware setting in s_init.
Signed-off-by: Tetsuyuki Kobayashi <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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The KZM-A9-GT board has Renesas R-Mobile SH73A0, 512MB DDR2-SDRAM,
USB, Ethernet, and more.
This patch supports the following functions:
- 512MB DDR2-SDRAM
- 16MB NOR Flash memory
- Serial console (SCIF)
- Ethernet (SMSC)
- I2C
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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Renesas SH73A0 has GPIO based PFC. This privode framework of PFC.
The code included in this base from linux kernel.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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Renesas SH73A0 is CPU with Cortex-A9.
This supports the basic register definition and GPIO.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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This patch adds minimum support for R-Mobile. Only minimal support with timer.
This CPU can uses the peripheral of Renesas SuperH.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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ARMv7 has global timer. This provides the register definition of this timer.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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Signed-off-by: Stefan Kristiansson <[email protected]>
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Signed-off-by: Stefan Kristiansson <[email protected]>
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U-boot should not ignore getting the bootmode passed on from the bootrom.
With this, U-boot SPL knows it was loaded from MMC1 and use this info to
read full U-boot from MMC1 as well.
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Joel A Fernandes <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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This patch adds support for networking in SPL. Some devices are
capable of loading SPL via network so it makes sense to load the
main U-Boot binary via network too. This patch tries to use
existing network code as much as possible. Unfortunately, it depends
on environment which in turn depends on other code so SPL size
is increased significantly. No effort was done to decouple network
code and environment so far.
Signed-off-by: Ilya Yanok <[email protected]>
Acked-by: Joe Hershberger <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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This file is required for all archs. Fixes a sandbox build break on ext4.
Signed-off-by: Simon Glass <[email protected]>
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- Convert the non-relocation part of board_init_f to spl_board_init, turn on CONFIG_SPL_BOARD_INIT in the configs.
- Remove duplicated code.
- Add spl_boot_device() that returns the statically chosen boot device.
Signed-off-by: Tom Rini <[email protected]>
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We move the spl_nand_load_image function to common/spl. This will allow
for easier integration of SPL-boots-Linux code on other arches.
Signed-off-by: Tom Rini <[email protected]>
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In SPL (CONFIG_SPL_FRAMEWORK) board_init_f must setup the stack pointer,
clear the BSS and call board_init_r. We mark this as weak as some
platforms may need to perform additional initalization at this point.
We provide a gd that we know will be in a usable location, once the BSS
has been cleared to help with this as well. Finally, we no longer call
relocate_code so remove that from the armv7 version.
Next, both board_init_f and jump_to_image_linux are going to be
inherently arch-specific, so move these versions to arch/arm/lib/spl.c
Signed-off-by: Tom Rini <[email protected]>
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Add a new flag, CONFIG_SPL_FRAMEWORK to opt into the common/spl SPL
framework, enable on all of the previously using boards. We move the
spl_ymodem.c portion to common/ and spl_mmc.c to drivers/mmc/. We leave
the NAND one in-place as we plan to replace it later in this series.
We use common/spl to avoid linker problems with respect to merging
constant strings in objects. Otherwise all strings in common/ will be
linked in and kept which grows SPL in size too much.
Signed-off-by: Tom Rini <[email protected]>
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