diff options
Diffstat (limited to 'src/soc/intel/skylake')
| -rw-r--r-- | src/soc/intel/skylake/memmap.c | 32 | ||||
| -rw-r--r-- | src/soc/intel/skylake/romstage/romstage_fsp20.c | 29 |
2 files changed, 32 insertions, 29 deletions
diff --git a/src/soc/intel/skylake/memmap.c b/src/soc/intel/skylake/memmap.c index 9d3f377339..4c3c58a12d 100644 --- a/src/soc/intel/skylake/memmap.c +++ b/src/soc/intel/skylake/memmap.c @@ -14,10 +14,12 @@ * GNU General Public License for more details. */ +#include <arch/romstage.h> #include <arch/ebda.h> #include <device/mmio.h> #include <cbmem.h> #include <console/console.h> +#include <cpu/x86/mtrr.h> #include <cpu/x86/smm.h> #include <device/device.h> #include <device/pci.h> @@ -289,3 +291,33 @@ void *cbmem_top(void) return (void *)(uintptr_t)ebda_cfg.tolum_base; } + +#if CONFIG(PLATFORM_USES_FSP2_0) +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 + * point exact location of ramstage in cbmem is not known. + * Instruct postcar to cache 16 megs under cbmem top which is + * a safe bet to cover ramstage. + */ + 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); + + /* + * 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); +} +#endif diff --git a/src/soc/intel/skylake/romstage/romstage_fsp20.c b/src/soc/intel/skylake/romstage/romstage_fsp20.c index 5388858449..ecd14289c2 100644 --- a/src/soc/intel/skylake/romstage/romstage_fsp20.c +++ b/src/soc/intel/skylake/romstage/romstage_fsp20.c @@ -16,7 +16,6 @@ #include <arch/romstage.h> #include <arch/symbols.h> #include <assert.h> -#include <cpu/x86/mtrr.h> #include <cpu/x86/msr.h> #include <cpu/x86/smm.h> #include <cbmem.h> @@ -154,34 +153,6 @@ void mainboard_romstage_entry(void) save_dimm_info(); } -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 - * point exact location of ramstage in cbmem is not known. - * Instruct postcar to cache 16 megs under cbmem top which is - * a safe bet to cover ramstage. - */ - 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); - - /* - * 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) { msr_t flex_ratio; |