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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2018-12-28 16:54:54 +0200 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-01-08 15:33:47 +0000 |
| commit | c641f7ed9f9083f73ddb69676a74d7e205351baa (patch) | |
| tree | 7a81b9621e6c667b0c0a5de268cb7ce08e6c972d /src/soc/intel/baytrail/romstage/romstage.c | |
| parent | ee2e936f4059d8aad4161d44915a05271df1aaae (diff) | |
cpu/intel/car: Prepare for C_ENVIRONMENT_BOOTBLOCK
Pass timestamps and BIST to romstage using the same signature
as C_ENVIRONMENT_BOOTBLOCK will.
Change-Id: Ic90da6b1b5ac3b56c69b593ba447ed8e05c8a4e2
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/30492
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/baytrail/romstage/romstage.c')
| -rw-r--r-- | src/soc/intel/baytrail/romstage/romstage.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/soc/intel/baytrail/romstage/romstage.c b/src/soc/intel/baytrail/romstage/romstage.c index a52d3b1c2d..4b499061e9 100644 --- a/src/soc/intel/baytrail/romstage/romstage.c +++ b/src/soc/intel/baytrail/romstage/romstage.c @@ -17,6 +17,7 @@ #include <arch/cpu.h> #include <arch/io.h> #include <arch/early_variables.h> +#include <bootblock_common.h> #include <console/console.h> #include <cbmem.h> #include <cpu/x86/mtrr.h> @@ -95,8 +96,7 @@ static void spi_init(void) } /* Entry from cache-as-ram.inc. */ -void *asmlinkage romstage_main(unsigned long bist, uint32_t tsc_low, - uint32_t tsc_hi) +static void romstage_main(uint64_t tsc, uint32_t bist) { struct romstage_params rp = { .bist = bist, @@ -104,7 +104,7 @@ void *asmlinkage romstage_main(unsigned long bist, uint32_t tsc_low, }; /* Save initial timestamp from bootblock. */ - timestamp_init((((uint64_t)tsc_hi) << 32) | (uint64_t)tsc_low); + timestamp_init(tsc); /* Save romstage begin */ timestamp_add_now(TS_START_ROMSTAGE); @@ -131,7 +131,14 @@ void *asmlinkage romstage_main(unsigned long bist, uint32_t tsc_low, platform_enter_postcar(); /* We don't return here */ - return NULL; +} + +/* This wrapper enables easy transition towards C_ENVIRONMENT_BOOTBLOCK, + * keeping changes in cache_as_ram.S easy to manage. + */ +asmlinkage void bootblock_c_entry_bist(uint64_t base_timestamp, uint32_t bist) +{ + romstage_main(base_timestamp, bist); } static struct chipset_power_state power_state CAR_GLOBAL; |