diff options
Diffstat (limited to 'src/soc/intel/broadwell/memmap.c')
| -rw-r--r-- | src/soc/intel/broadwell/memmap.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/soc/intel/broadwell/memmap.c b/src/soc/intel/broadwell/memmap.c index 836fda8b5d7f..7c53fa646807 100644 --- a/src/soc/intel/broadwell/memmap.c +++ b/src/soc/intel/broadwell/memmap.c @@ -15,11 +15,14 @@ #define __SIMPLE_DEVICE__ -#include <device/pci_ops.h> #include <cbmem.h> #include <device/pci.h> +#include <device/pci_ops.h> #include <soc/pci_devs.h> #include <soc/systemagent.h> +#include <soc/smm.h> +#include <stage_cache.h> +#include <stdint.h> static uintptr_t dpr_region_start(void) { @@ -42,3 +45,15 @@ void *cbmem_top(void) { return (void *) dpr_region_start(); } + +void stage_cache_external_region(void **base, size_t *size) +{ + /* The ramstage cache lives in the TSEG region. + * The top of RAM is defined to be the TSEG base address. */ + u32 offset = smm_region_size(); + offset -= CONFIG_IED_REGION_SIZE; + offset -= CONFIG_SMM_RESERVED_SIZE; + + *base = (void *)(cbmem_top() + offset); + *size = CONFIG_SMM_RESERVED_SIZE; +} |