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This patch changes several cache-related pieces to be cleaner, faster or
more correct. The largest point is removing the old
arm_invalidate_caches() function and surrounding bootblock code to
initialize SCTLR and replace it with an all-assembly function that takes
care of cache and SCTLR initialization to bring the system to a known
state. It runs without stack and before coreboot makes any write
accesses to be as compatible as possible with whatever state the system
was left in by preceeding code. This also finally fixes the dreaded
icache bug that wasted hundreds of milliseconds during boot.
Old-Change-Id: I7bb4995af8184f6383f8e3b1b870b0662bde8bd4
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/183890
(cherry picked from commit 07a35925dc957919bf88dfc90515971a36e81b97)
nyan_big: apply cache-related changes from nyan
This applies the same changes from 07a3592 that were applied to nyan.
Old-Change-Id: Idcbe85436d7a2f65fcd751954012eb5f4bec0b6c
Reviewed-on: https://chromium-review.googlesource.com/184551
Commit-Queue: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
(cherry picked from commit 4af27f02614da41c611aee2c6d175b1b948428ea)
Squashed the followup patch for nyan_big into the original patch.
Change-Id: Id14aef7846355ea2da496e55da227b635aca409e
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
(cherry picked from commit 4cbf25f8eca3a12bbfec5b015953c0fc2b69c877)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: http://review.coreboot.org/6993
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.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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This is needed for the tegra124's bootblock and includes enough implementation
to support that use. No caching is supported, although there are function
prototypes and stub implementations to satisfy includes and linking.
Change-Id: Ib79dde8c30eda98b3e823cba2ff6115a610bb2e8
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://chromium-review.googlesource.com/171401
Reviewed-by: Gabe Black <gabeblack@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
(cherry picked from commit 221dc76b3ce4c1d73851c432333e091e1c60f0cb)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6783
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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