diff options
author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-08-02 06:11:28 +0300 |
---|---|---|
committer | Martin Roth <martinroth@google.com> | 2019-08-03 17:36:01 +0000 |
commit | aba8fb115802df289007ae9df3269d65cfd008c5 (patch) | |
tree | bcc7d7fd9a8b32f408b1446d158e7520fcc0abce /src/northbridge/intel/i945/ram_calc.c | |
parent | 26a682c9441b4f7312ff9f69d22029841aa245bd (diff) |
intel/i945,gm45,pineview,x4x: Move stage cache support function
Let garbage-collection take care of stage_cache_external_region()
when it is not needed and move implementation to a suitable file
already building for needed stages.
Change-Id: Ic32adcc62c7ee21bf38e2e4e5ece00524871b091
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34670
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/northbridge/intel/i945/ram_calc.c')
-rw-r--r-- | src/northbridge/intel/i945/ram_calc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/northbridge/intel/i945/ram_calc.c b/src/northbridge/intel/i945/ram_calc.c index 525a5b9c0e..dbe74c40cf 100644 --- a/src/northbridge/intel/i945/ram_calc.c +++ b/src/northbridge/intel/i945/ram_calc.c @@ -25,6 +25,8 @@ #include <cpu/x86/mtrr.h> #include <program_loading.h> #include <cpu/intel/smm/gen1/smi.h> +#include <stdint.h> +#include <stage_cache.h> /* Decodes TSEG region size to bytes. */ u32 decode_tseg_size(const u8 esmramc) @@ -88,6 +90,17 @@ u32 decode_igd_memory_size(const u32 gms) return ggc2uma[gms] << 10; } +void stage_cache_external_region(void **base, size_t *size) +{ + /* + * The ramstage cache lives in the TSEG region at RESERVED_SMM_OFFSET. + * The top of RAM is defined to be the TSEG base address. + */ + *size = CONFIG_SMM_RESERVED_SIZE; + *base = (void *)(northbridge_get_tseg_base() + + CONFIG_SMM_RESERVED_SIZE); +} + /* platform_enter_postcar() determines the stack to use after * cache-as-ram is torn down as well as the MTRR settings to use, * and continues execution in postcar stage. */ |