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We've had gpiolib.h which defines a few common GPIO access functions for
a while, but it wasn't really complete. This patch adds the missing
gpio_output() function, and also renames the unwieldy
gpio_get_in_value() and gpio_set_out_value() to the much easier to
handle gpio_get() and gpio_set(). The header is renamed to the simpler
gpio.h while we're at it (there was never really anything "lib" about
it, and it was presumably just chosen due to the IPQ806x include/
conflict problem that is now resolved).
It also moves the definition of gpio_t into SoC-specific code, so that
different implementations are free to encode their platform-specific
GPIO parameters in those 4 bytes in the most convenient way (such as the
rk3288 with a bitfield struct). Every SoC intending to use this common
API should supply a <soc/gpio.h> that typedefs gpio_t to a type at most
4 bytes in length. Files accessing the API only need to include <gpio.h>
which may pull in additional things (like a gpio_t creation macro) from
<soc/gpio.h> on its own.
For now the API is still only used on non-x86 SoCs. Whether it makes
sense to expand it to x86 as well should be separately evaluated at a
later point (by someone who understands those systems better). Also,
Exynos retains its old, incompatible GPIO API even though it would be a
prime candidate, because it's currently just not worth the effort.
BUG=None
TEST=Compiled on Daisy, Peach_Pit, Nyan_Blaze, Rush_Ryu, Storm and
Veyron_Pinky.
Change-Id: Ieee77373c2bd13d07ece26fa7f8b08be324842fe
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 9e04902ada56b929e3829f2c3b4aeb618682096e
Original-Change-Id: I6c1e7d1e154d9b02288aabedb397e21e1aadfa15
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/220975
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9400
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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This patch aligns tegra124 to the new SoC header include scheme.
Also alphabetized headers in affected files since we touch them anyway.
BUG=None
TEST=Tested with whole series. Compiled Nyan, Nyan_Big and Nyan_Blaze.
Change-Id: Ia82ab86b2af903690cc6c9d310f7bdda3425ea7c
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 4d23774e071ec22781991ff20fbf63802f620c88
Original-Change-Id: Ia126cff8590117788d1872e50608c257d2659c1f
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/224504
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9326
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Panel datasheet defines some delay between PWM signal out and
backlight enable. This change fixes the current sequence
and makes the delays adjustable by dt setting.
BRANCH=none
BUG=chrome-os-partner:28008
TEST=Verified on Big DVT and Nyan/Norrin panels.
Panel works fine with dev mode, and the measurement
of power on sequence meets panel requirements.
Original-Change-Id: If6015bbb6015a3b203d425f5e90f676ad786b5e8
Original-Signed-off-by: Ken Chang <kenc@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/196183
Original-Reviewed-by: Hung-Te Lin <hungte@chromium.org>
(cherry picked from commit 2bbcaa7281222ffc0b4026e8b1eb4c210a8e308a)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: Id6424f66eb8dc6adeb70eaa33df742f4e57983c3
Reviewed-on: http://review.coreboot.org/7776
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
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PLLD, the clock for display, was previously hard-coded to 306MHz. To support
more different panels, we should calcualte PLLD by panel pixel clock
configuration.
Note existing pixel clock configurations for nyan* boards won't work (they used
to rely on hard-coded approximated values) so the device trees are also
modified.
BRANCH=none
BUG=chrome-os-partner:25933
TEST=emerge-nyan_big coreboot chromeos-bootimage
See panel correctly initialized and got DEV screen.
Original-Change-Id: I8d592f0cc044e7c4e4803c45955642e791210ad3
Original-Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/193565
(cherry picked from commit 4f9b793633ebb2d104b0544e3b72fa0d105951c4)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: Ib2cabbad60af010e872505e888eab485ba8c2916
Reviewed-on: http://review.coreboot.org/7762
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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The existing display init functions were translated from a script. The new
code will play the same functions but are cleaner and readable and easier to
be ported to new panel.
BUG=none
TEST=build nyan and boot up kernel.
Signed-off-by: Jimmy Zhang <jimmzhang@nvidia.com>
Original-Change-Id: Ic9983e57684a03e206efe3731968ec62905f4ee8
Original-Reviewed-on: https://chromium-review.googlesource.com/189518
Original-Commit-Queue: Jimmy Zhang <jimmzhang@nvidia.com>
Original-Tested-by: Jimmy Zhang <jimmzhang@nvidia.com>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
(cherry picked from commit 5998f991ea3069d603443b93c2ebdcdcd04af961)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Squashed to pass abuild
nyan: Fix the build for big and blaze.
The display code for the tegra124 was cleaned up recently, but only the nyan
device tree was updated to match the new code, not big's or blaze's. This
change copies nyan's device tree over to those other two boards which will get
them building again. The settings may not be correct, but they'll be no less
correct than they were before. I also updated the copyright date for nyan.
BUG=none
TEST=Built for nyan, nyan_big, nyan_blaze. Booted on nyan_big and verified the
panel wasn't damaged by the new display code or settings.
BRANCH=None
Original-Change-Id: I75055a01f9402b3a9de9a787a9d3e737d25bb515
Original-Signed-off-by: Gabe Black <gabeblack@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/191364
Original-Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Original-Commit-Queue: Gabe Black <gabeblack@chromium.org>
Original-Tested-by: Gabe Black <gabeblack@chromium.org>
(cherry picked from commit ea235f23df31b4ca8006dcdf3628eed096e062b9)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: Icdad74bf2d013c3677e1a3373b8f89fad99f616e
Reviewed-on: http://review.coreboot.org/7454
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
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nyan: Clock setup.
Reviewed-on: https://chromium-review.googlesource.com/172106
(cherry picked from commit 3697b6454c0aceebcf735436de90ba2441c9b7b1)
tegra124: Call into the mainboard bootblock init if one exists.
Reviewed-on: https://chromium-review.googlesource.com/172581
(cherry picked from commit 3a0cd48a0d1a9ce6b32ed614cd81fb81f5f82aec)
nyan: Add a mainboard specific bootblock.
Reviewed-on: https://chromium-review.googlesource.com/172582
(cherry picked from commit a83d065d660a26fe71ed79879c25f84a1b669f69)
nyan: tegra124: Redestribute the clock code between the mainboard and soc.
Reviewed-on: https://chromium-review.googlesource.com/172583
(cherry picked from commit ea703137fc37befa7d5a65afc982e298a0daca1b)
nyan: Initialize the i2c pins and controllers.
Reviewed-on: https://chromium-review.googlesource.com/172584
(cherry picked from commit 9c10a3074ef834688fea46c03551c2e3e54e44a8)
nyan: Initialize the PMIC.
Reviewed-on: https://chromium-review.googlesource.com/172585
(cherry picked from commit f6be8b0e607e05b73b5e4a84afcf04c879eee88a)
tegra124: add a chip.h and use it in NYAN
Reviewed-on: https://chromium-review.googlesource.com/172773
(cherry picked from commit 4dd5f1f091f2dcae5ce38203bb86c62994609f8f)
tegra: Reorder GPIO register accesses to avoid glitching
Reviewed-on: https://chromium-review.googlesource.com/172730
(cherry picked from commit 61bedbf0f839e19b284d21af2ad10f2ff15e17d5)
tegra: Turn GPIO wrappers into macros to make them easier to write
Reviewed-on: https://chromium-review.googlesource.com/172731
(cherry picked from commit 94550fdfa5a8005d2e6a313041de212ab7ac470c)
tegra: Change GPIO functions to allow variable arguments
Reviewed-on: https://chromium-review.googlesource.com/172916
(cherry picked from commit e95ccd984f718a04b6067ff6ad5049a2cd74466d)
tegra124: Implement starting up the main CPUs.
Reviewed-on: https://chromium-review.googlesource.com/172917
(cherry picked from commit 7c5169a197310e18a3df0f176c499669e3c2bda3)
tegra: Simplify the I2C constants.
Reviewed-on: https://chromium-review.googlesource.com/172953
(cherry picked from commit 130a07c86dfa5ba5ac4580f29db927c91f045c76)
tegra124: Fix SPI base addresses
Reviewed-on: https://chromium-review.googlesource.com/173322
(cherry picked from commit da808e46919ebd3b9f2377a5889f0d5f10b92357)
tegra124: Scrub the clock constants.
Reviewed-on: https://chromium-review.googlesource.com/172954
(cherry picked from commit 9305ff0696a6d556a97f928b8683770833a309a4)
tegra124: add DMA support
Reviewed-on: https://chromium-review.googlesource.com/172951
(cherry picked from commit 4d2a5a56b922ac37d2326d7b139697567aac37b8)
tegra124: add basic SPI driver
Reviewed-on: https://chromium-review.googlesource.com/172952
(cherry picked from commit 5f861f13c7fd2dd881f3cbd0f1b4d4a9994ce429)
tegra124: Add an assembly stub which is run first on the main CPUs.
Reviewed-on: https://chromium-review.googlesource.com/173541
(cherry picked from commit e142b9572a89f43fe984c4fc87e3203f380ff4de)
nyan: tegra124: Set up dynamic cbmem.
Reviewed-on: https://chromium-review.googlesource.com/173542
(cherry picked from commit b6e1a70103446abb5c3440f145617e6566879c6f)
tegra124: Add an soc.c which sets up the chip operations and memory resource.
Reviewed-on: https://chromium-review.googlesource.com/173543
(cherry picked from commit af49a5bd1f589cf053c4808510138aae26e20db4)
tegra124: extend chip.h to include video settings
Reviewed-on: https://chromium-review.googlesource.com/173600
(cherry picked from commit 87687633a2116f58fad7333b3b639cee9089ad29)
tegra124 and nyan: fill in the devicetree a bit more, add defines
Reviewed-on: https://chromium-review.googlesource.com/173684
(cherry picked from commit c107eaca3dea42be89f61690d0d6cb2181acb147)
tegra124: clean-ups for SPI driver
Reviewed-on: https://chromium-review.googlesource.com/173599
(cherry picked from commit 1e2f9fd442ea336bf0663c3c8ea51f771e21beb7)
tegra124: add a #define for DMA alignment size
Reviewed-on: https://chromium-review.googlesource.com/173638
(cherry picked from commit f9dc2a8d8016fa7db974fb6cb01c3275e26832af)
tegra124: Add FIFO transmit functions to SPI driver
Reviewed-on: https://chromium-review.googlesource.com/173639
(cherry picked from commit 97e61f36ad96ce2f9b12a7ef765ee73d3f4285f7)
tegra124: clean-ups for DMA driver
Reviewed-on: https://chromium-review.googlesource.com/173598
(cherry picked from commit 750c0a5d6942748dd21f3a3f884ad94a561e86e0)
tegra124: early display and display code.
Reviewed-on: https://chromium-review.googlesource.com/173622
(cherry picked from commit 651c7ab96b1f136865e4673a120de7afc1218558)
tegra124: Move transfer size handling to spi_xfer()
Reviewed-on: https://chromium-review.googlesource.com/173680
(cherry picked from commit 4a9b7b47b3c09d70063ea843054ffef98f554621)
tegra124: strict error detection and reporting for SPI
Reviewed-on: https://chromium-review.googlesource.com/173681
(cherry picked from commit c056fa954e1dab40a56faec6c50385763a2eb010)
tegra124: add thread-friendly delays to SPI driver
Reviewed-on: https://chromium-review.googlesource.com/173648
(cherry picked from commit c1a321c8f61942801627f895c5db74c518e2aa8e)
Tegra124: Take the SPI1 controller out of reset and enable its clock.
Reviewed-on: https://chromium-review.googlesource.com/173787
(cherry picked from commit c026a3fb861e157f1e17a121fc2ef70b903f36f2)
tegra124: add two more clock setting values
Reviewed-on: https://chromium-review.googlesource.com/173772
(cherry picked from commit 7d79d7dd9f0c1fd7127a7ba41652d809ccff7a57)
nyan: Set up the ChromeOS related GPIOs and SPI bus 1 which goes to the EC.
Reviewed-on: https://chromium-review.googlesource.com/173788
(cherry picked from commit ff172bfe30f75983a1e8efa2ead0a4519583d0a8)
tegra124: Add some stub functions to the Tegra SPI driver.
Reviewed-on: https://chromium-review.googlesource.com/173789
(cherry picked from commit 8bc527aa4afd301c046b0e844c7fa400630af0d2)
tegra124: Build source files into the various stges needed by CONFIG_CHROMEOS.
Reviewed-on: https://chromium-review.googlesource.com/173790
(cherry picked from commit 86a6423b668ca912295c47d8c6e3ef6c6f8c6084)
nyan: Implement the code which reads GPIOs for ChromeOS.
Reviewed-on: https://chromium-review.googlesource.com/173791
(cherry picked from commit 4c394dfbce762574fc79edcb6e4ac6bf346e48a3)
nyan: Enable the CHROMEOS and ChromeOS EC related kconfig options.
Reviewed-on: https://chromium-review.googlesource.com/173792
(cherry picked from commit 2845a4487159aa4b1dba58d977f52c449574fc8e)
Tegra124: SDMMC: Take the SDMMC 3 and 4 out of reset and ungate their clocks.
Reviewed-on: https://chromium-review.googlesource.com/173793
(cherry picked from commit c238b87bcd9d35afd828476d6ee88322ac5d0f88)
tegra124: fix clear_fifo_status() in SPI driver
Reviewed-on: https://chromium-review.googlesource.com/173738
(cherry picked from commit f415d2c0aaffc0f1a3592551a2db782d538f8f4f)
ARM: Include stdint.h in cpu.h.
Reviewed-on: https://chromium-review.googlesource.com/173774
(cherry picked from commit f1930faea3f14b2a2560a6c4058ef38532b6f1a6)
tegra124: When setting up the main CPU, set its CPSR appropriately.
Reviewed-on: https://chromium-review.googlesource.com/173775
(cherry picked from commit bc2ba9c15cfd22aeaca4f80b1d13a8b5e0178ead)
tegra124: fix wrong names in clk_rst.h
Reviewed-on: https://chromium-review.googlesource.com/173955
(cherry picked from commit 19dd9c85e4a3d1f77b23828bcbdd4bd8c2688b8d)
tegra124: Fix up the PLLX divider table.
Reviewed-on: https://chromium-review.googlesource.com/173778
(cherry picked from commit 3362cf3a7d6f5eaec879dda42323345922f6df17)
tegra124: clock: Get rid of cpcon and dccon.
Reviewed-on: https://chromium-review.googlesource.com/173779
(cherry picked from commit 08626ffac4a7e9ea3d4738af87e9e4cced7be2c7)
Tegra124: SPI: Set and unset CS in spi_claim_bus and spi_release_bus.
Reviewed-on: https://chromium-review.googlesource.com/173953
(cherry picked from commit a2df8f3a9c9c54c62d6ff37d3baff1d30ee6d355)
armv7: expose dcache_line_bytes() in cache API
Reviewed-on: https://chromium-review.googlesource.com/173975
(cherry picked from commit 6727f65702c7668fcb33848b4113bc3d3cc04e12)
libpayload: expose dcache_line_bytes() in ARM cache API
Reviewed-on: https://chromium-review.googlesource.com/174099
(cherry picked from commit 9387b02dff85b42944d95c3bccf59059c93fb4a9)
armv4: add a stub for dcache_line_bytes()
Reviewed-on: https://chromium-review.googlesource.com/173976
(cherry picked from commit 924f61ea895b9268c716791466637009bbac6469)
tegra124: Base early UART on CLK_M to enable debugging of PLL init code
Reviewed-on: https://chromium-review.googlesource.com/174339
(cherry picked from commit 8d9387432f0a0d9b257b040304238e543cced1aa)
tegra124: Add additional PLLs and redesign the divisor table
Reviewed-on: https://chromium-review.googlesource.com/174380
(cherry picked from commit f6a5f5c4562f1ca733505717c175be00413f2384)
Squashed 49 commits for tegra124/nyan that included a lot of churn on
different pieces.
Change-Id: I00e8f5b74e835e01b28ca2e9c4af3709c9363d56
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6869
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
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