tegra124/nyan: rougly stable code base

nyan: Clock setup.
Reviewed-on: https://chromium-review.googlesource.com/172106
(cherry picked from commit 3697b6454c)

tegra124: Call into the mainboard bootblock init if one exists.
Reviewed-on: https://chromium-review.googlesource.com/172581
(cherry picked from commit 3a0cd48a0d)

nyan: Add a mainboard specific bootblock.
Reviewed-on: https://chromium-review.googlesource.com/172582
(cherry picked from commit a83d065d66)

nyan: tegra124: Redestribute the clock code between the mainboard and soc.
Reviewed-on: https://chromium-review.googlesource.com/172583
(cherry picked from commit ea703137fc)

nyan: Initialize the i2c pins and controllers.
Reviewed-on: https://chromium-review.googlesource.com/172584
(cherry picked from commit 9c10a3074e)

nyan: Initialize the PMIC.
Reviewed-on: https://chromium-review.googlesource.com/172585
(cherry picked from commit f6be8b0e60)

tegra124: add a chip.h and use it in NYAN
Reviewed-on: https://chromium-review.googlesource.com/172773
(cherry picked from commit 4dd5f1f091)

tegra: Reorder GPIO register accesses to avoid glitching
Reviewed-on: https://chromium-review.googlesource.com/172730
(cherry picked from commit 61bedbf0f8)

tegra: Turn GPIO wrappers into macros to make them easier to write
Reviewed-on: https://chromium-review.googlesource.com/172731
(cherry picked from commit 94550fdfa5)

tegra: Change GPIO functions to allow variable arguments
Reviewed-on: https://chromium-review.googlesource.com/172916
(cherry picked from commit e95ccd984f)

tegra124: Implement starting up the main CPUs.
Reviewed-on: https://chromium-review.googlesource.com/172917
(cherry picked from commit 7c5169a197)

tegra: Simplify the I2C constants.
Reviewed-on: https://chromium-review.googlesource.com/172953
(cherry picked from commit 130a07c86d)

tegra124: Fix SPI base addresses
Reviewed-on: https://chromium-review.googlesource.com/173322
(cherry picked from commit da808e4691)

tegra124: Scrub the clock constants.
Reviewed-on: https://chromium-review.googlesource.com/172954
(cherry picked from commit 9305ff0696)

tegra124: add DMA support
Reviewed-on: https://chromium-review.googlesource.com/172951
(cherry picked from commit 4d2a5a56b9)

tegra124: add basic SPI driver
Reviewed-on: https://chromium-review.googlesource.com/172952
(cherry picked from commit 5f861f13c7)

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 e142b9572a)

nyan: tegra124: Set up dynamic cbmem.
Reviewed-on: https://chromium-review.googlesource.com/173542
(cherry picked from commit b6e1a70103)

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 af49a5bd1f)

tegra124: extend chip.h to include video settings
Reviewed-on: https://chromium-review.googlesource.com/173600
(cherry picked from commit 87687633a2)

tegra124 and nyan: fill in the devicetree a bit more, add defines
Reviewed-on: https://chromium-review.googlesource.com/173684
(cherry picked from commit c107eaca3d)

tegra124: clean-ups for SPI driver
Reviewed-on: https://chromium-review.googlesource.com/173599
(cherry picked from commit 1e2f9fd442)

tegra124: add a #define for DMA alignment size
Reviewed-on: https://chromium-review.googlesource.com/173638
(cherry picked from commit f9dc2a8d80)

tegra124: Add FIFO transmit functions to SPI driver
Reviewed-on: https://chromium-review.googlesource.com/173639
(cherry picked from commit 97e61f36ad)

tegra124: clean-ups for DMA driver
Reviewed-on: https://chromium-review.googlesource.com/173598
(cherry picked from commit 750c0a5d69)

tegra124: early display and display code.
Reviewed-on: https://chromium-review.googlesource.com/173622
(cherry picked from commit 651c7ab96b)

tegra124: Move transfer size handling to spi_xfer()
Reviewed-on: https://chromium-review.googlesource.com/173680
(cherry picked from commit 4a9b7b47b3)

tegra124: strict error detection and reporting for SPI
Reviewed-on: https://chromium-review.googlesource.com/173681
(cherry picked from commit c056fa954e)

tegra124: add thread-friendly delays to SPI driver
Reviewed-on: https://chromium-review.googlesource.com/173648
(cherry picked from commit c1a321c8f6)

Tegra124: Take the SPI1 controller out of reset and enable its clock.
Reviewed-on: https://chromium-review.googlesource.com/173787
(cherry picked from commit c026a3fb86)

tegra124: add two more clock setting values
Reviewed-on: https://chromium-review.googlesource.com/173772
(cherry picked from commit 7d79d7dd9f)

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 ff172bfe30)

tegra124: Add some stub functions to the Tegra SPI driver.
Reviewed-on: https://chromium-review.googlesource.com/173789
(cherry picked from commit 8bc527aa4a)

tegra124: Build source files into the various stges needed by CONFIG_CHROMEOS.
Reviewed-on: https://chromium-review.googlesource.com/173790
(cherry picked from commit 86a6423b66)

nyan: Implement the code which reads GPIOs for ChromeOS.
Reviewed-on: https://chromium-review.googlesource.com/173791
(cherry picked from commit 4c394dfbce)

nyan: Enable the CHROMEOS and ChromeOS EC related kconfig options.
Reviewed-on: https://chromium-review.googlesource.com/173792
(cherry picked from commit 2845a44871)

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 c238b87bcd)

tegra124: fix clear_fifo_status() in SPI driver
Reviewed-on: https://chromium-review.googlesource.com/173738
(cherry picked from commit f415d2c0aa)

ARM: Include stdint.h in cpu.h.
Reviewed-on: https://chromium-review.googlesource.com/173774
(cherry picked from commit f1930faea3)

tegra124: When setting up the main CPU, set its CPSR appropriately.
Reviewed-on: https://chromium-review.googlesource.com/173775
(cherry picked from commit bc2ba9c15c)

tegra124: fix wrong names in clk_rst.h
Reviewed-on: https://chromium-review.googlesource.com/173955
(cherry picked from commit 19dd9c85e4)

tegra124: Fix up the PLLX divider table.
Reviewed-on: https://chromium-review.googlesource.com/173778
(cherry picked from commit 3362cf3a7d)

tegra124: clock: Get rid of cpcon and dccon.
Reviewed-on: https://chromium-review.googlesource.com/173779
(cherry picked from commit 08626ffac4)

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 a2df8f3a9c)

armv7: expose dcache_line_bytes() in cache API
Reviewed-on: https://chromium-review.googlesource.com/173975
(cherry picked from commit 6727f65702)

libpayload: expose dcache_line_bytes() in ARM cache API
Reviewed-on: https://chromium-review.googlesource.com/174099
(cherry picked from commit 9387b02dff)

armv4: add a stub for dcache_line_bytes()
Reviewed-on: https://chromium-review.googlesource.com/173976
(cherry picked from commit 924f61ea89)

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 8d9387432f)

tegra124: Add additional PLLs and redesign the divisor table
Reviewed-on: https://chromium-review.googlesource.com/174380
(cherry picked from commit f6a5f5c456)

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>

src/arch/arm/include/armv4/arch/cache.h

@@ -57,6 +57,9 @@ void dcache_clean_all(void);
 /* dcache invalidate all (on current level given by CCSELR) */
 void dcache_invalidate_all(void);
 
+/* returns number of bytes per cache line */
+unsigned int dcache_line_bytes(void);
+
 /* dcache and MMU disable */
 void dcache_mmu_disable(void);
 

src/arch/arm/include/armv7/arch/cache.h

@@ -304,6 +304,9 @@ void dcache_clean_all(void);
 /* dcache invalidate all (on current level given by CCSELR) */
 void dcache_invalidate_all(void);
 
+/* returns number of bytes per cache line */
+unsigned int dcache_line_bytes(void);
+
 /* dcache and MMU disable */
 void dcache_mmu_disable(void);
 

src/arch/arm/include/armv7/arch/cpu.h

@@ -20,6 +20,8 @@
 #ifndef __ARCH_CPU_H__
 #define __ARCH_CPU_H__
 
+#include <stdint.h>
+
 #define asmlinkage
 
 #if !defined(__PRE_RAM__)