* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <cpu/x86/car.h>
#include <cpu/x86/mtrr.h>
#include <cpu/amd/mtrr.h>
* xmm3: Backup EBX
*/
- save_bist_result()
+ /* Save the BIST result. */
+ movl %eax, %ebp
/*
* For normal part %ebx already contain cpu_init_detected
cache_as_ram_setup:
post_code(0xa0)
- enable_sse()
+ /* Enable SSE. */
+ movl %cr4, %eax
+ orl $(3 << 9), %eax
+ movl %eax, %cr4
/* Figure out the CPU family. */
cvtsi2sd %ebx, %xmm3
/* Check if cpu_init_detected. */
movl $MTRRdefType_MSR, %ecx
rdmsr
- andl $(1 << 11), %eax
+ andl $MTRRdefTypeEn, %eax
movl %eax, %ebx /* We store the status. */
jmp_if_k8(CAR_FAM10_out_post_errata)
wrmsr
#if CONFIG_MMCONF_SUPPORT
- /* Set MMIO config space BAR. */
- movl $MSR_MCFG_BASE, %ecx
- rdmsr
- andl $(~(0xfff00000 | (0xf << 2))), %eax
- orl $((CONFIG_MMCONF_BASE_ADDRESS & 0xfff00000)), %eax
- orl $((8 << 2) | (1 << 0)), %eax
- andl $(~(0x0000ffff)), %edx
- orl $(CONFIG_MMCONF_BASE_ADDRESS >> 32), %edx
+ #if (CONFIG_MMCONF_BASE_ADDRESS > 0xFFFFFFFF)
+ #error "MMCONF_BASE_ADDRESS too big"
+ #elif (CONFIG_MMCONF_BASE_ADDRESS & 0xFFFFF)
+ #error "MMCONF_BASE_ADDRESS not 1MB aligned"
+ #endif
+ movl $0, %edx
+ movl $((CONFIG_MMCONF_BASE_ADDRESS) | (1 << 0)), %eax
+ #if (CONFIG_MMCONF_BUS_NUMBER == 1)
+ #elif (CONFIG_MMCONF_BUS_NUMBER == 2)
+ orl $(1 << 2), %eax
+ #elif (CONFIG_MMCONF_BUS_NUMBER == 4)
+ orl $(2 << 2), %eax
+ #elif (CONFIG_MMCONF_BUS_NUMBER == 8)
+ orl $(3 << 2), %eax
+ #elif (CONFIG_MMCONF_BUS_NUMBER == 16)
+ orl $(4 << 2), %eax
+ #elif (CONFIG_MMCONF_BUS_NUMBER == 32)
+ orl $(5 << 2), %eax
+ #elif (CONFIG_MMCONF_BUS_NUMBER == 64)
+ orl $(6 << 2), %eax
+ #elif (CONFIG_MMCONF_BUS_NUMBER == 128)
+ orl $(7 << 2), %eax
+ #elif (CONFIG_MMCONF_BUS_NUMBER == 256)
+ orl $(8 << 2), %eax
+ #else
+ #error "bad MMCONF_BUS_NUMBER value"
+ #endif
+ movl $(0xc0010058), %ecx
wrmsr
#endif
#if defined(CONFIG_XIP_ROM_SIZE) && defined(CONFIG_XIP_ROM_BASE)
-#if defined(CONFIG_TINY_BOOTBLOCK) && CONFIG_TINY_BOOTBLOCK
-#define REAL_XIP_ROM_BASE AUTO_XIP_ROM_BASE
-#else
-#define REAL_XIP_ROM_BASE CONFIG_XIP_ROM_BASE
-#endif
-
/* Enable write base caching so we can do execute in place (XIP)
* on the flash ROM.
*/
movl $MTRRphysBase_MSR(1), %ecx
xorl %edx, %edx
/*
- * IMPORTANT: The two lines below can _not_ be written like this:
- * movl $(REAL_XIP_ROM_BASE | MTRR_TYPE_WRBACK), %eax
+ * IMPORTANT: The following calculation _must_ be done at runtime. See
* http://www.coreboot.org/pipermail/coreboot/2010-October/060855.html
*/
- movl $REAL_XIP_ROM_BASE, %eax
+ movl $copy_and_run, %eax
+ andl $(~(CONFIG_XIP_ROM_SIZE - 1)), %eax
orl $MTRR_TYPE_WRBACK, %eax
wrmsr
jmp_if_k8(wbcache_post_fam10_setup)
movl $0xffff, %edx /* (1 << (CONFIG_CPU_ADDR_BITS - 32)) - 1 for FAM10 (CONFIG_CPU_ADDR_BITS = 48) */
wbcache_post_fam10_setup:
- movl $(~(CONFIG_XIP_ROM_SIZE - 1) | 0x800), %eax
+ movl $(~(CONFIG_XIP_ROM_SIZE - 1) | MTRRphysMaskValid), %eax
wrmsr
#endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */
post_code(0xa1)
- enable_cache()
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $(~((1 << 30) | (1 << 29))), %eax
+ movl %eax, %cr0
jmp_if_k8(fam10_end_part1)
post_code(0xa5)
- disable_sse()
+ /* Disable SSE. */
+ movl %cr4, %eax
+ andl $~(3 << 9), %eax
+ movl %eax, %cr4
- restore_bist_result()
+ /* Restore the BIST result. */
+ movl %ebp, %eax
/* We need to set EBP? No need. */
movl %esp, %ebp