| Commit message (Collapse) | Author | Age | Lines |
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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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Remove driver model CONFIGs from the board config headers and use Kconfig
instead.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Remove driver model CONFIGs from the board config headers and use Kconfig
instead.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Remove driver model CONFIGs from the board config headers and use Kconfig
instead.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Remove driver model CONFIGs from the board config header and use Kconfig
instead.
Signed-off-by: Simon Glass <sjg@chromium.org>
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r8a7794 uses ARM SoC of CA7 base. If we want to use dcache on CA7, we
need to enable SMP bit of Auxiliary Control Register.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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SILK is an entry level development board based on R-Car E2 SoC (R8A7794)
This commit supports the following peripherals:
- SCIF, I2C, Ethernet, QSPI, MMC, USB Host
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Reviewed-by: Tom Rini <trini@ti.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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The WaRP Board is a Wearable Reference Plaform. The board features:
- Freescale i.MX6 SoloLite processor with 512MB of RAM
- Freescale FXOS8700CQ 6-axis Xtrinsic sensor
- Freescale Kinetis KL16 MCU
- Freescale Xtrinsic MMA955xL intelligent motion sensing platform
The board implements a hybrid architecture to address the evolving
needs of the wearables market. The platform consists of a main board
and an example daughtercard with the ability to add additional
daughtercards for different usage models.
For more information about the project, visit:
http://www.warpboard.org/
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Stefano Babic <sbabic@denx.de>
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This adds the DATA[4-7] and RST pin definitions.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
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A few pad settings are I2C1
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
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Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
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There are three wdogs for i.MX 6SoloX. Add wdog3 support
in function imx_set_wdog_powerdown.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
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The self-bias circuit is used by the bandgap during startup.
Once the bandgap has stabilized, the self-bias circuit should
be disabled for best noise performance of analog blocks.
Also this bit should be disabled before the chip enters STOP mode or
when ever the regular bandgap is disabled.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Signed-off-by: Ranjani Vaidyanathan <Ranjani.Vaidyanathan@freescale.com>
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add reset controller status register
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Bo Shen <voice.shen@atmel.com>
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if CONFIG_AT91SAM9_WATCHDOG is set, do not disable WDT in
SPL
Signed-off-by: Heiko Schocher <hs@denx.de>
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As the at91cap9adk board is removed by commit: b5508344
(ARM: remove broken "at91cap9adk" board), so the at91cap9
code is not used anymore, and also the document for
at91cap9 can not be found on www.atmel.com, so remove the
at91cap9 related code.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Andreas Bießmann <andreas.devel@googlemail.com>
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Signed-off-by: Bo Shen <voice.shen@atmel.com>
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The sama5d4ek support boot up from NAND flash, SD/MMC card and
also the SPI flash.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
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Signed-off-by: Bo Shen <voice.shen@atmel.com>
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The SAMAA5D4 SoC can access DDR in interleave mode.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
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Signed-off-by: Bo Shen <voice.shen@atmel.com>
[fix subject]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
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Signed-off-by: Bo Shen <voice.shen@atmel.com>
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