diff options
| author | Stefan Reinauer <stepan@coresystems.de> | 2010-08-14 20:38:17 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2010-08-14 20:38:17 +0000 |
| commit | 30584912579d050c6bb3de3d55ca887e6ae094b5 (patch) | |
| tree | 5f9aa4fc54cf26b33d756dfe2c693155d71dd143 /src/cpu/intel/model_6ex | |
| parent | b24d07c3605742095d603f703c7adef39dc09aa6 (diff) | |
| download | coreboot-30584912579d050c6bb3de3d55ca887e6ae094b5.tar.xz | |
My forgotten CAR cleanup patch...
- Drop lots of dead code from the various cache_as_ram.inc files.
- Use some descriptive macros instead of magic numbers for MTRR MSRs
- drop unused duplicate descriptors from romstage GDT
- slightly reformatting code and comments
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5696 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/intel/model_6ex')
| -rw-r--r-- | src/cpu/intel/model_6ex/cache_as_ram.inc | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/src/cpu/intel/model_6ex/cache_as_ram.inc b/src/cpu/intel/model_6ex/cache_as_ram.inc index 18482c9270..414ca0711a 100644 --- a/src/cpu/intel/model_6ex/cache_as_ram.inc +++ b/src/cpu/intel/model_6ex/cache_as_ram.inc @@ -176,21 +176,6 @@ clear_mtrrs: post_code(0x33) -#undef CLEAR_FIRST_1M_RAM -#ifdef CLEAR_FIRST_1M_RAM - post_code(0x34) - /* Enable Write Combining and Speculative Reads for the first 1MB */ - movl $MTRRphysBase_MSR(0), %ecx - movl $(0x00000000 | MTRR_TYPE_WRCOMB), %eax - xorl %edx, %edx - wrmsr - movl $MTRRphysMask_MSR(0), %ecx - movl $(~(1024*1024 -1) | (1 << 11)), %eax - movl $0x0000000f, %edx // 36bit address space - wrmsr - post_code(0x35) -#endif - /* Enable Cache */ movl %cr0, %eax andl $~( (1 << 30) | (1 << 29) ), %eax @@ -198,17 +183,6 @@ clear_mtrrs: post_code(0x36) -#ifdef CLEAR_FIRST_1M_RAM - - /* Clear first 1MB of RAM */ - movl $0x00000000, %edi - cld - xorl %eax, %eax - movl $((1024*1024) / 4), %ecx - rep stosl - - post_code(0x37) -#endif /* Disable Cache */ movl %cr0, %eax |