diff options
Diffstat (limited to 'src/soc/intel/skylake/romstage/romstage_fsp20.c')
| -rw-r--r-- | src/soc/intel/skylake/romstage/romstage_fsp20.c | 47 |
1 files changed, 18 insertions, 29 deletions
diff --git a/src/soc/intel/skylake/romstage/romstage_fsp20.c b/src/soc/intel/skylake/romstage/romstage_fsp20.c index 8b5cd18195..2412f22a27 100644 --- a/src/soc/intel/skylake/romstage/romstage_fsp20.c +++ b/src/soc/intel/skylake/romstage/romstage_fsp20.c @@ -13,7 +13,6 @@ * GNU General Public License for more details. */ -#include <arch/cpu.h> #include <arch/romstage.h> #include <arch/symbols.h> #include <assert.h> @@ -140,15 +139,11 @@ static void save_dimm_info(void) printk(BIOS_DEBUG, "%d DIMMs found\n", mem_info->dimm_cnt); } -asmlinkage void car_stage_entry(void) +void mainboard_romstage_entry(void) { bool s3wake; - struct postcar_frame pcf; - uintptr_t top_of_ram; struct chipset_power_state *ps; - console_init(); - /* Program MCHBAR, DMIBAR, GDXBAR and EDRAMBAR */ systemagent_early_init(); @@ -159,8 +154,13 @@ asmlinkage void car_stage_entry(void) pmc_set_disb(); if (!s3wake) save_dimm_info(); - if (postcar_frame_init(&pcf, 0)) - die("Unable to initialize postcar frame.\n"); +} + +void fill_postcar_frame(struct postcar_frame *pcf) +{ + uintptr_t top_of_ram; + uintptr_t smm_base; + size_t smm_size; /* * We need to make sure ramstage will be run cached. At this @@ -171,28 +171,17 @@ asmlinkage void car_stage_entry(void) top_of_ram = (uintptr_t) cbmem_top(); printk(BIOS_DEBUG, "top_of_ram = 0x%lx\n", top_of_ram); top_of_ram -= 16*MiB; - postcar_frame_add_mtrr(&pcf, top_of_ram, 16*MiB, MTRR_TYPE_WRBACK); - - if (CONFIG(HAVE_SMI_HANDLER)) { - uintptr_t smm_base; - size_t smm_size; + postcar_frame_add_mtrr(pcf, top_of_ram, 16*MiB, MTRR_TYPE_WRBACK); - /* - * Cache the TSEG region at the top of ram. This region is - * not restricted to SMM mode until SMM has been relocated. - * By setting the region to cacheable it provides faster access - * when relocating the SMM handler as well as using the TSEG - * region for other purposes. - */ - smm_region(&smm_base, &smm_size); - postcar_frame_add_mtrr(&pcf, smm_base, smm_size, - MTRR_TYPE_WRBACK); - } - - /* Cache the ROM as WP just below 4GiB. */ - postcar_frame_add_romcache(&pcf, MTRR_TYPE_WRPROT); - - run_postcar_phase(&pcf); + /* + * Cache the TSEG region at the top of ram. This region is + * not restricted to SMM mode until SMM has been relocated. + * By setting the region to cacheable it provides faster access + * when relocating the SMM handler as well as using the TSEG + * region for other purposes. + */ + smm_region(&smm_base, &smm_size); + postcar_frame_add_mtrr(pcf, smm_base, smm_size, MTRR_TYPE_WRBACK); } static void cpu_flex_override(FSP_M_CONFIG *m_cfg) |