diff options
Diffstat (limited to 'src/soc/intel/skylake/memmap.c')
| -rw-r--r-- | src/soc/intel/skylake/memmap.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/soc/intel/skylake/memmap.c b/src/soc/intel/skylake/memmap.c index 0ade6916f5..0d31ea8c06 100644 --- a/src/soc/intel/skylake/memmap.c +++ b/src/soc/intel/skylake/memmap.c @@ -14,12 +14,14 @@ * GNU General Public License for more details. */ +#include <arch/ebda.h> #include <arch/io.h> #include <cbmem.h> #include <chip.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> +#include <intelblocks/ebda.h> #include <intelblocks/systemagent.h> #include <soc/msr.h> #include <soc/pci_devs.h> @@ -274,6 +276,18 @@ static uintptr_t calculate_dram_base(void) return dram_base; } +/* Fill up memory layout information */ +void fill_soc_memmap_ebda(struct ebda_config *cfg) +{ + cfg->tolum_base = calculate_dram_base(); +} + +void cbmem_top_init(void) +{ + /* Fill up EBDA area */ + fill_ebda_area(); +} + /* * +-------------------------+ Top of RAM (aligned) * | System Management Mode | @@ -303,6 +317,9 @@ static uintptr_t calculate_dram_base(void) */ void *cbmem_top(void) { + struct ebda_config ebda_cfg; + struct ebda_config *cfg = &ebda_cfg; + /* * Check if Tseg has been initialized, we will use this as a flag * to check if the MRC is done, and only then continue to read the @@ -312,5 +329,7 @@ void *cbmem_top(void) if (sa_get_tseg_base() == 0) return NULL; - return (void *)calculate_dram_base(); + read_ebda_data(cfg, sizeof(*cfg)); + + return (void *)(uintptr_t)cfg->tolum_base; } |