From c641f7ed9f9083f73ddb69676a74d7e205351baa Mon Sep 17 00:00:00 2001 From: Kyösti Mälkki Date: Fri, 28 Dec 2018 16:54:54 +0200 Subject: cpu/intel/car: Prepare for C_ENVIRONMENT_BOOTBLOCK MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Pass timestamps and BIST to romstage using the same signature as C_ENVIRONMENT_BOOTBLOCK will. Change-Id: Ic90da6b1b5ac3b56c69b593ba447ed8e05c8a4e2 Signed-off-by: Arthur Heymans Signed-off-by: Kyösti Mälkki Reviewed-on: https://review.coreboot.org/c/30492 Tested-by: build bot (Jenkins) --- src/soc/intel/baytrail/romstage/romstage.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) (limited to 'src/soc/intel/baytrail/romstage/romstage.c') 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 #include #include +#include #include #include #include @@ -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; -- cgit v1.2.3