diff options
Diffstat (limited to 'src/cpu/k8/earlymtrr.inc')
| -rw-r--r-- | src/cpu/k8/earlymtrr.inc | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/src/cpu/k8/earlymtrr.inc b/src/cpu/k8/earlymtrr.inc deleted file mode 100644 index 81376bfb01..0000000000 --- a/src/cpu/k8/earlymtrr.inc +++ /dev/null @@ -1,121 +0,0 @@ -#include <cpu/k8/mtrr.h> - - - /* Save off the BIST value */ - movl %eax, %ebp - -/* The fixed and variable MTRRs are powered-up with random values, clear them to - * MTRR_TYPE_UNCACHEABLE for safty reason - */ - -earlymtrr_start: - xorl %eax, %eax # clear %eax and %edx - xorl %edx, %edx # - movl $fixed_mtrr_msr, %esi - -enable_fixed_mtrr_dram_modify: - /* Enable the access to AMD RdDram and WrDram extension bits */ - movl $SYSCFG_MSR, %ecx - rdmsr - orl $SYSCFG_MSR_MtrrFixDramModEn, %eax - wrmsr - -clear_fixed_var_mtrr: - lodsl (%esi), %eax - testl %eax, %eax - jz clear_fixed_var_mtrr_out - - movl %eax, %ecx - xorl %eax, %eax - wrmsr - - jmp clear_fixed_var_mtrr -clear_fixed_var_mtrr_out: - -disable_fixed_mtrr_dram_modify: - /* Disable the access to AMD RdDram and WrDram extension bits */ - movl $SYSCFG_MSR, %ecx - rdmsr - andl $(~SYSCFG_MSR_MtrrFixDramModEn), %eax - wrmsr - - /* enable memory access for 0 - 1MB using top_mem */ - movl $TOP_MEM, %ecx - xorl %edx, %edx - movl $(((CONFIG_LB_MEM_TOPK << 10) + TOP_MEM_MASK) & ~TOP_MEM_MASK) , %eax - wrmsr - -set_var_mtrr: - /* enable caching for 0 - 1MB using variable mtrr */ - movl $0x200, %ecx - rdmsr - andl $0xfffffff0, %edx - orl $0x00000000, %edx - andl $0x00000f00, %eax - orl $(0x00000000 | MTRR_TYPE_WRBACK), %eax - wrmsr - - movl $0x201, %ecx - rdmsr - andl $0xfffffff0, %edx - orl $0x0000000f, %edx - andl $0x000007ff, %eax - orl $((~((CONFIG_LB_MEM_TOPK << 10) - 1)) | 0x800), %eax - wrmsr - -#if defined(XIP_ROM_SIZE) && defined(XIP_ROM_BASE) - /* enable write base caching so we can do execute in place - * on the flash rom. - */ - movl $0x202, %ecx - xorl %edx, %edx - movl $(XIP_ROM_BASE | MTRR_TYPE_WRBACK), %eax - wrmsr - - movl $0x203, %ecx - movl $0x0000000f, %edx - movl $(~(XIP_ROM_SIZE - 1) | 0x800), %eax - wrmsr -#endif /* XIP_ROM_SIZE && XIP_ROM_BASE */ - -enable_mtrr: - /* Set the default memory type and enable fixed and variable MTRRs */ - movl $MTRRdefType_MSR, %ecx - xorl %edx, %edx - /* Enable Variable MTRRs */ - movl $0x00000800, %eax - wrmsr - - /* Enable the MTRRs and IORRs in SYSCFG */ - movl $SYSCFG_MSR, %ecx - rdmsr - /* Don't enable SYSCFG_MSR_MtrrFixDramEn untill we have done with VGA BIOS */ - orl $(SYSCFG_MSR_MtrrVarDramEn), %eax - wrmsr - - /* enable cache */ - movl %cr0, %eax - andl $0x9fffffff,%eax - movl %eax, %cr0 - - jmp earlymtrr_end - -fixed_mtrr_msr: - .long 0x250, 0x258, 0x259 - .long 0x268, 0x269, 0x26A - .long 0x26B, 0x26C, 0x26D - .long 0x26E, 0x26F -var_mtrr_msr: - .long 0x200, 0x201, 0x202, 0x203 - .long 0x204, 0x205, 0x206, 0x207 - .long 0x208, 0x209, 0x20A, 0x20B - .long 0x20C, 0x20D, 0x20E, 0x20F -var_iorr_msr: - .long 0xC0010016, 0xC0010017, 0xC0010018, 0xC0010019 -mem_top: - .long 0xC001001A, 0xC001001D - .long 0x000 /* NULL, end of table */ - -earlymtrr_end: - /* Restore the BIST value */ - movl %ebp, %eax |