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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-08-09 11:41:15 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-08-15 05:32:44 +0000 |
| commit | 544878b56349a74e8cb7a0e9af899b5f7fc246fc (patch) | |
| tree | 0a586dcbe6e70c94be6b7d123f43dd7c294dad68 /src/northbridge/intel/sandybridge/memmap.c | |
| parent | 5bc641afebda5fd274ba713add4145651d9bc71d (diff) | |
arch/x86: Add postcar_frame_common_mtrrs()
As most platforms will share the subset of enabling
both low RAM WB and high ROM WP MTRRs, provide them
with a single function.
Add possibility for the platform to skip these if
required.
Change-Id: Id1f8b7682035e654231f6133a42909a36e3e15a1
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34809
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/northbridge/intel/sandybridge/memmap.c')
| -rw-r--r-- | src/northbridge/intel/sandybridge/memmap.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/src/northbridge/intel/sandybridge/memmap.c b/src/northbridge/intel/sandybridge/memmap.c index 99f11a0f2a..83a67abeb8 100644 --- a/src/northbridge/intel/sandybridge/memmap.c +++ b/src/northbridge/intel/sandybridge/memmap.c @@ -61,13 +61,6 @@ void fill_postcar_frame(struct postcar_frame *pcf) { uintptr_t top_of_ram; - - /* Cache the ROM as WP just below 4GiB. */ - postcar_frame_add_romcache(pcf, MTRR_TYPE_WRPROT); - - /* Cache RAM as WB from 0 -> CACHE_TMP_RAMTOP. */ - postcar_frame_add_mtrr(pcf, 0, CACHE_TMP_RAMTOP, MTRR_TYPE_WRBACK); - top_of_ram = (uintptr_t)cbmem_top(); /* Cache 8MiB below the top of ram. On sandybridge systems the top of * ram under 4GiB is the start of the TSEG region. It is required to |