From 30584912579d050c6bb3de3d55ca887e6ae094b5 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Sat, 14 Aug 2010 20:38:17 +0000 Subject: 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 Acked-by: Stefan Reinauer git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5696 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/cpu/intel/model_6fx/cache_as_ram.inc | 27 --------------------------- 1 file changed, 27 deletions(-) (limited to 'src/cpu/intel/model_6fx') diff --git a/src/cpu/intel/model_6fx/cache_as_ram.inc b/src/cpu/intel/model_6fx/cache_as_ram.inc index d5e38d8bd4..8fd37bb05c 100644 --- a/src/cpu/intel/model_6fx/cache_as_ram.inc +++ b/src/cpu/intel/model_6fx/cache_as_ram.inc @@ -183,39 +183,12 @@ 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 movl %eax, %cr0 - 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 -- cgit v1.2.3