diff options
Diffstat (limited to 'src/northbridge/intel')
| -rw-r--r-- | src/northbridge/intel/sandybridge/Kconfig | 13 | ||||
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit_mrc.c | 26 |
2 files changed, 29 insertions, 10 deletions
diff --git a/src/northbridge/intel/sandybridge/Kconfig b/src/northbridge/intel/sandybridge/Kconfig index 4f9da000a4..59cf92c0ee 100644 --- a/src/northbridge/intel/sandybridge/Kconfig +++ b/src/northbridge/intel/sandybridge/Kconfig @@ -78,12 +78,13 @@ config MMCONF_BASE_ADDRESS help The MRC blob requires it to be at 0xf0000000. -if USE_NATIVE_RAMINIT - config DCACHE_RAM_BASE hex default 0xfefe0000 + +if USE_NATIVE_RAMINIT + config DCACHE_RAM_SIZE hex default 0x20000 @@ -96,17 +97,13 @@ endif # USE_NATIVE_RAMINIT if !USE_NATIVE_RAMINIT -config DCACHE_RAM_BASE - hex - default 0xff7e0000 - config DCACHE_RAM_SIZE hex - default 0x1c000 + default 0x17000 config DCACHE_RAM_MRC_VAR_SIZE hex - default 0x4000 + default 0x9000 config MRC_FILE string "Intel System Agent path and filename" diff --git a/src/northbridge/intel/sandybridge/raminit_mrc.c b/src/northbridge/intel/sandybridge/raminit_mrc.c index e88d356593..a8acfbf980 100644 --- a/src/northbridge/intel/sandybridge/raminit_mrc.c +++ b/src/northbridge/intel/sandybridge/raminit_mrc.c @@ -265,9 +265,31 @@ void sdram_initialize(struct pei_data *pei_data) report_memory_config(); } -/* These are the location and structure of MRC_VAR data in CAR. */ +/* These are the location and structure of MRC_VAR data in CAR. + The CAR region looks like this: + +------------------+ -> DCACHE_RAM_BASE + | | + | | + | COREBOOT STACK | + | | + | | + +------------------+ -> DCACHE_RAM_BASE + DCACHE_RAM_SIZE + | | + | MRC HEAP | + | size = 0x5000 | + | | + +------------------+ + | | + | MRC VAR | + | size = 0x4000 | + | | + +------------------+ -> DACHE_RAM_BASE + DACHE_RAM_SIZE + + DCACHE_RAM_MRC_VAR_SIZE + + */ #define DCACHE_RAM_MRC_VAR_BASE \ - (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE) + (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE + \ + CONFIG_DCACHE_RAM_MRC_VAR_SIZE - 0x4000) struct mrc_var_data { u32 acpi_timer_flag; |