diff options
Diffstat (limited to 'src/cpu/amd/car/disable_cache_as_ram.c')
| -rw-r--r-- | src/cpu/amd/car/disable_cache_as_ram.c | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/src/cpu/amd/car/disable_cache_as_ram.c b/src/cpu/amd/car/disable_cache_as_ram.c index 817d43e297..946b57bc93 100644 --- a/src/cpu/amd/car/disable_cache_as_ram.c +++ b/src/cpu/amd/car/disable_cache_as_ram.c @@ -2,45 +2,45 @@ /* be warned, this file will be used other cores and core 0 / node 0 */ static inline __attribute__((always_inline)) void disable_cache_as_ram(void) { - __asm__ __volatile__ ( - /* We don't need cache as ram for now on */ - /* disable cache */ - "movl %%cr0, %%eax\n\t" - "orl $(0x1<<30),%%eax\n\t" - "movl %%eax, %%cr0\n\t" + __asm__ __volatile__ ( + /* We don't need cache as ram for now on */ + /* disable cache */ + "movl %%cr0, %%eax\n\t" + "orl $(0x1<<30),%%eax\n\t" + "movl %%eax, %%cr0\n\t" - /* clear sth */ - "movl $0x269, %%ecx\n\t" /* fix4k_c8000*/ - "xorl %%edx, %%edx\n\t" - "xorl %%eax, %%eax\n\t" + /* clear sth */ + "movl $0x269, %%ecx\n\t" /* fix4k_c8000*/ + "xorl %%edx, %%edx\n\t" + "xorl %%eax, %%eax\n\t" "wrmsr\n\t" #if CONFIG_DCACHE_RAM_SIZE > 0x8000 "movl $0x268, %%ecx\n\t" /* fix4k_c0000*/ - "wrmsr\n\t" + "wrmsr\n\t" #endif - /* disable fixed mtrr from now on, it will be enabled by coreboot_ram again*/ - "movl $0xC0010010, %%ecx\n\t" -// "movl $SYSCFG_MSR, %ecx\n\t" - "rdmsr\n\t" - "andl $(~(3<<18)), %%eax\n\t" -// "andl $(~(SYSCFG_MSR_MtrrFixDramModEn | SYSCFG_MSR_MtrrFixDramEn)), %eax\n\t" - "wrmsr\n\t" + /* disable fixed mtrr from now on, it will be enabled by coreboot_ram again*/ + "movl $0xC0010010, %%ecx\n\t" +// "movl $SYSCFG_MSR, %ecx\n\t" + "rdmsr\n\t" + "andl $(~(3<<18)), %%eax\n\t" +// "andl $(~(SYSCFG_MSR_MtrrFixDramModEn | SYSCFG_MSR_MtrrFixDramEn)), %eax\n\t" + "wrmsr\n\t" - /* Set the default memory type and disable fixed and enable variable MTRRs */ - "movl $0x2ff, %%ecx\n\t" -// "movl $MTRRdefType_MSR, %ecx\n\t" - "xorl %%edx, %%edx\n\t" - /* Enable Variable and Disable Fixed MTRRs */ - "movl $0x00000800, %%eax\n\t" - "wrmsr\n\t" + /* Set the default memory type and disable fixed and enable variable MTRRs */ + "movl $0x2ff, %%ecx\n\t" +// "movl $MTRRdefType_MSR, %ecx\n\t" + "xorl %%edx, %%edx\n\t" + /* Enable Variable and Disable Fixed MTRRs */ + "movl $0x00000800, %%eax\n\t" + "wrmsr\n\t" - /* enable cache */ - "movl %%cr0, %%eax\n\t" - "andl $0x9fffffff,%%eax\n\t" - "movl %%eax, %%cr0\n\t" - ::: "memory", "eax", "ecx", "edx" - ); + /* enable cache */ + "movl %%cr0, %%eax\n\t" + "andl $0x9fffffff,%%eax\n\t" + "movl %%eax, %%cr0\n\t" + ::: "memory", "eax", "ecx", "edx" + ); } static void disable_cache_as_ram_bsp(void) |