| Commit message (Collapse) | Author | Age | Lines |
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USB doesn't seem to work yet; the controller detects the on-board Hub/
Ethernet device but can't read the descriptors from it. I haven't
investigated yet.
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
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The bcm2835 and bcm2836 are essentially identical, except:
- The CPU is an ARM1176 v.s. a quad-core Cortex-A7.
- The physical address of many IO controllers has moved.
Rather than introducing a whole new bcm2836 value for $(SOC) or $(ARCH),
update the existing bcm2835 code to handle the minor differences, and
plumb it into the ARMv7 CPU architecture.
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
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Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
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This commit adds $(srctree)/arch/arm/$(machdirs)/include/mach to
the headers search path.
It allows us to replace "#include <asm/arch/foo.h>" with
"#include <mach/foo.h>". As "#include <asm/arch/foo.h>" is still
supported, we can modify each file one by one.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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Move arch/arm/include/asm/arch-keystone/*
-> arch/arm/mach-keystone/include/mach/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Tom Rini <trini@ti.com>
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Move arch/arm/include/asm/arch-orion5x/*
-> arch/arm/mach-orion5x/include/mach/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
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Move arch/arm/include/asm/arch-nomadik/*
-> arch/arm/mach-nomadik/include/mach/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Nomadik Linux Team <STN_WMM_nomadik_linux@list.st.com>
Cc: Alessandro Rubini <rubini@unipv.it>
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Move arch/arm/include/asm/arch-kirkwood/*
-> arch/arm/mach-kirkwood/include/mach/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Stefan Roese <sr@denx.de>
Cc: Prafulla Wadaskar <prafulla@marvell.com>
Cc: Luka Perkov <luka.perkov@sartura.hr>
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Move arch/arm/include/asm/arch-davinci/*
-> arch/arm/mach-davinci/include/mach/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Tom Rini <trini@ti.com>
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Move arch/arm/include/asm/arch-at91/*
-> arch/arm/mach-at91/include/mach/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Andreas Bießmann <andreas.devel@googlemail.com>
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Move
arch/arm/cpu/armv7/keystone/* -> arch/arm/mach-keystone/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Tom Rini <trini@ti.com>
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Move
arch/arm/cpu/arm926ejs/versatile/* -> arch/arm/mach-versatile/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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Move
arch/arm/cpu/arm926ejs/orion5x/* -> arch/arm/mach-orion5x/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
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Move
arch/arm/cpu/armv7/highbank/* -> arch/arm/mach-highbank/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Rob Herring <robh@kernel.org>
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Move
arch/arm/cpu/arm926ejs/nomadik/* -> arch/arm/mach-nomadik/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Nomadik Linux Team <STN_WMM_nomadik_linux@list.st.com>
Cc: Alessandro Rubini <rubini@unipv.it>
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Move
arch/arm/cpu/arm926ejs/kirkwood/* -> arch/arm/mach-kirkwood/*
Note:
Perhaps, can we merge arch/arm/mach-kirkwood and
arch/arm/mvebu-common into arch/arm/mach-mvebu, like Linux?
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Stefan Roese <sr@denx.de>
Cc: Prafulla Wadaskar <prafulla@marvell.com>
Cc: Luka Perkov <luka.perkov@sartura.hr>
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Move
arch/arm/cpu/arm926ejs/davinci/* -> arch/arm/mach-davinci/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Tom Rini <trini@ti.com>
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This commit moves files as follows:
arch/arm/cpu/arm720t/tegra20/* -> arch/arm/mach-tegra/tegra20/*
arch/arm/cpu/arm720t/tegra30/* -> arch/arm/mach-tegra/tegra30/*
arch/arm/cpu/arm720t/tegra114/* -> arch/arm/mach-tegra/tegra114/*
arch/arm/cpu/arm720t/tegra124* -> arch/arm/mach-tegra/tegra124/*
arch/arm/cpu/arm720t/tegra-common/* -> arch/arm/mach-tegra/*
arch/arm/cpu/armv7/tegra20/* -> arch/arm/mach-tegra/tegra20/*
arch/arm/cpu/armv7/tegra30/* -> arch/arm/mach-tegra/tegra30/*
arch/arm/cpu/armv7/tegra114/* -> arch/arm/mach-tegra/tegra114/*
arch/arm/cpu/armv7/tegra124/* -> arch/arm/mach-tegra/tegra124/*
arch/arm/cpu/armv7/tegra-common/* -> arch/arm/mach-tegra/*
arch/arm/cpu/tegra20-common/* -> arch/arm/mach-tegra/tegra20/*
arch/arm/cpu/tegra30-common/* -> arch/arm/mach-tegra/tegra30/*
arch/arm/cpu/tegra114-common/* -> arch/arm/mach-tegra/tegra114/*
arch/arm/cpu/tegra124-common/* -> arch/arm/mach-tegra/tegra124/*
arch/arm/cpu/tegra-common/* -> arch/arm/mach-tegra/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Tested-by: Simon Glass <sjg@chromium.org> [ on nyan-big ]
Cc: Stephen Warren <swarren@nvidia.com>
Cc: Tom Warren <twarren@nvidia.com>
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This commit moves source files as follows:
arch/arm/cpu/arm920t/at91/* -> arch/arm/mach-at91/arm920t/*
arch/arm/cpu/arm926ejs/at91/* -> arch/arm/mach-at91/arm926ejs/*
arch/arm/cpu/armv7/at91/* -> arch/arm/mach-at91/armv7/*
arch/arm/cpu/at91-common/* -> arch/arm/mach-at91/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Andreas Bießmann <andreas.devel@googlemail.co>
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In U-boot, the directory structure, arch/$(ARCH)/cpu/$(CPU)/$(SOC)/
has been adopted except that $(CPU) is missing from some
architectures and $(SOC) is missing from some CPUs.
This structure did not fit very well in some cases.
[1] AT91
AT91 SoC family have been developed across some ARM processor
generations. Generally speaking, some IPs are often re-used in the
same SoC family (same SoC vendor) even when the main processor is
updated. As a result, a SoC-common directory is needed in the upper
level. Currently, AT91 source files are placed as follows:
arch/arm/cpu/arm920t/at91/*
arch/arm/cpu/arm926ejs/at91/*
arch/arm/cpu/armv7/at91/*
arch/arm/cpu/at91-common/*
Once directories are split, the motivation for refactorings across
CPU directories is lost. Some files in arm920t/at91/ and
arm926ejs/at91/ are so similar that they could be merged.
[2] Tegra
Tegra is a little bit special case where different CPUs are used for
SPL and the main U-boot. To obey the arch/$(ARCH)/cpu/$(CPU)/$(SOC)
structure, the source files must be placed across the CPUs,
again SoC-common directory is necessary in the upper level.
Moreover, there are several families in Tegra: Tegra20, Tegra30,
Tegra114, Tegra124. Here again, the tegra-common directory is needed
to contain commonly-used files.
Tegra directories have been sprinkled in the directory structure.
arch/arm/cpu/arm720t/tegra20
arch/arm/cpu/arm720t/tegra30
arch/arm/cpu/arm720t/tegra114
arch/arm/cpu/arm720t/tegra124
arch/arm/cpu/arm720t/tegra-common
arch/arm/cpu/armv7/tegra20
arch/arm/cpu/armv7/tegra30
arch/arm/cpu/armv7/tegra114
arch/arm/cpu/armv7/tegra124
arch/arm/cpu/armv7/tegra-common
arch/arm/cpu/tegra20-common
arch/arm/cpu/tegra30-common
arch/arm/cpu/tegra114-common
arch/arm/cpu/tegra124-common
arch/arm/cpu/tegra-common
As you see, splitting SoC code by the CPU is not going well,
especially for ARM.
Why don't we collect SoC-specific files into a single place?
A good example we can follow is Linux's arch/arm/mach-* structure.
This item was discussed in the following thread:
http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/188548/
Looks like I got some positive responses and we are almost ready to
start this movement.
This commit prepares arch/arm/Makefile for describing machdirs in it.
After this commit, we can move SoC directory to arch/arm/mach-$(SOC)
in simple steps although some cases such as AT91 and Tegra need more
fixes.
What we generally have to do is:
[1] Move files arch/arm/cpu/$(CPU)/$(SOC)/* to arch/arm/mach-$(SOC)/*
[2] Add machine entry into arch/arm/Makefile
[3] Remove "obj-y += $(SOC)" from arch/arm/cpu/$(CPU)/Makefile
[4] Fix the Kconfig file path in arch/arm/Kconfig
[5] Modify MAINTAINERS if necessary
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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The board select menu in arch/arm/Kconfig is still big.
To slim down it, this commit moves AT91 boards to
arch/arm/mach-at91/Kconfig.
Also, consolidate "config SYS_SOC" in each board Kconfig.
The Kconfig files under board/ directory were modified with the
following command:
find board -name Kconfig | xargs sed -i -e '
/config SYS_SOC/ {
N
/default "at91"/ {
N
d
}
}
'
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Andreas Bießmann <andreas.devel@googlemail.co>
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Introduce arch_reserve_stacks() to tailor gd->start_addr_sp and gd->irq_sp to
the architecture needs.
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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So that the CONFIG_SPL_FEL option is not needed anymore. And the regular
SPL binary, generated by the default u-boot build, is now also bootable
over USB in the FEL mode. The SPL still can boot from the SD card too.
A bunch of system registers need to be saved/restored in order to ensure
that the IRQ handler still works in the BROM FEL code after getting
control back from the SPL. This is done in the sunxi code instead of
abusing ifdefs in 'start.S'.
The decision whether to load the main u-boot binary from the SD card or
return to the FEL code in the BROM is done at runtime.
Signed-off-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
[hdegoede@redhat.com: Since we now restore various regs before returning to
the FEL BROM code we can drop the sunxi specific #ifdefs in start.S]
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Make sunxi's FEL code fit with the normal U-Boot boot sequence instead of
creating its own. There are some #ifdefs required in start.S. Future work
will hopefully remove these.
This series is available at u-boot-dm, branch sunxi-working.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Some boards have a special way of loading U-Boot that does not fit with
the existing SPL code. For example sunxi uses an 'FEL' mode where U-Boot
is loaded over USB. Add a CONFIG option and boot mode for this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The link register value can be required on some boards (e.g. FEL mode on
sunxi) so use a branch instruction to jump to save_boot_params() instead
of a branch link.
This requires a branch back to save_boot_params_ret so adjust the users
to deal with this. For exynos just drop the function since it doesn't
do anything.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Move the dram helper functions to a separate C file, rather then having them
as inline helpers in dram.h. This saves 144 bytes in the .text segment for
sun6i builds.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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The only LPC3250 board works fine with enabled generic board support,
add CONFIG_SYS_GENERIC_BOARD right into the arch config header.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
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KS2 ddr3 initialization uses ddr3_size global variable before u-boot
relocation. Even if the variable is not being used after relocation,
writing to it corrupts relocation table.
This patch removes the global ddr3_size variable and uses local one
instead.
Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
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When EMAC is in the boot order, the boot ROM sets OPP50 and the
MAC clock is set to /2. SPL needs to change it to /5 for Ethernet
to generate the correct txclk. This patch sets it correctly.
Signed-off-by: Steve Kipisz <s-kipisz2@ti.com>
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Update the software leveling parameters.
This fixes the random crash seen on DRA7-evm.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
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The value in SDRAM_REF_CTRL controls the delay time between
the initial rising edge of DDR_RESETn to rising edge of DDR_CKE
(JEDEC specs this as 500us). In order to achieve this, SDRAM_REF_CTRL
should be written with a value corresponding to 500us delay before
starting DDR initialization sequence, and configure proper
value at the end of sequence.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
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DDR3 timing and latency paramenters were not configured
correctly for 666MHz. Fixing the timing and latency values
according to Data sheet.
This fixes the random crashes seen on DRA72-evm.
Signed-off-by: Angela Stegmaier <angelabaker@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
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Since we have src, div and pre-div mask bits defined corresponding
to peripherals, calculation of clock specific to I2C appears
redundant and confusing. Using clk_bit_info struct we can write
calculations generic to all peripherals which makes code easy to
understand and free from peripheral specific exceptions.
Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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We have assumed and kept mask bits for divider and pre-divider
as 0xf and 0xff, respectively. But these mask bits change from
one peripheral to another, and hence, need to be specified in
accordance with the peripherals.
Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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Replacing SoC and peripheral specific function calls with generic
clock_get_periph_rate calls to get the peripheral clocks.
Also, removing dead code of peripheral and SoC specific function
implementations which was used earlier for fetching peripheral clocks.
This code is not being used anymore because of the introduction
of generic clock_get_periph_rate function.
Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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exynos5_get_periph_rate function reads incorrect div for
SDMMC2 & 3. It also reads prediv and does division only for
SDMMC0 & 2 when actually various other peripherals need that.
Adding changes to fix these mistakes in periph rate calculation.
Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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We planned to fetch peripheral rate through one generic API per
peripheral. These generic peripheral functions are in turn
expected to fetch apt values from a function refactored as
per SoC versions. This patch adds support for fetching peripheral
rates for Exynos5420 and Exynos5800.
Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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Moving exynos5420_get_pll_clk function definition up in the
code to keep it together with rest of SoC_get_pll_clk functions.
This makes code more legible and also removes the need of
declaration when called before the position of definition in
code. Also, renaming exynos5420_get_pll_clk to
exynos542x_get_pll_clk because it is being used for both Exynos
5420 and 5800.
Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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Apparently, members of clk_bit_info array do not map correctly
to the members of enum periph_id. This mapping got broken after
we changed periph_id(s) to reflect interrupt number instead of
their position in a sequence. This patch intends to fix above
mentioned issue.
Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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Exynos5420 has different registers with other exynos5 SoCs to control
usb device phy, so need separated function to enable exynos5420 usb
device phy.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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This needs for special handling of nRESET_OUT line(GPD1-0 gpio) for eMMC
memory to perform complete reboot on Odroid XU3 board.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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This needs for special handling of nRESET_OUT line(GPK1-2 gpio) for eMMC
memory to perform complete reboot on Odroid X2/U3 boards.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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The most exynos used the "Ratio + 1" as div value.
And value at register is "Ratio".
So if want to set exact value, it needs to subtract one.
Value at register ("Ratio") = div - 1
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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Move this option to Kconfig and update all boards.
Signed-off-by: Simon Glass <sjg@chromium.org>
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With driver model the number of PIO ports is defined by platform data, so
remove it from the header file.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Andreas Bießmann <andreas.devel@googlemail.com>
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