diff options
Diffstat (limited to 'src/northbridge/via/vx800/examples/romstage.c')
| -rw-r--r-- | src/northbridge/via/vx800/examples/romstage.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/src/northbridge/via/vx800/examples/romstage.c b/src/northbridge/via/vx800/examples/romstage.c index 8db60237b7..63755c3181 100644 --- a/src/northbridge/via/vx800/examples/romstage.c +++ b/src/northbridge/via/vx800/examples/romstage.c @@ -362,7 +362,7 @@ g) Rx73h = 32h /* decide if this is a s3 wakeup or a normal boot */ boot_mode = acpi_is_wakeup_early_via_vx800(); /*add this, to transfer "cpu restart" to "cold boot" - When this boot is not a S3 resume, and PCI registers had been written, + When this boot is not a S3 resume, and PCI registers had been written, then this must be a cpu restart(result of os reboot cmd). so we need a real "cold boot". */ if ((boot_mode != 3) && (pci_read_config8(PCI_DEV(0, 0, 3), 0x80) != 0)) { @@ -371,7 +371,7 @@ g) Rx73h = 32h /*x86 cold boot I/O cmd */ enable_smbus(); - //smbus_fixup(&ctrl);// this fix does help vx800!, but vx855 no need this + //smbus_fixup(&ctrl);// this fix does help vx800!, but vx855 no need this if (bist == 0) { // CAR need mtrr untill mem is ok, so i disable this early_mtrr_init(); @@ -441,7 +441,7 @@ g) Rx73h = 32h /* For coreboot most time of S3 resume is the same as normal boot, so some memory area under 1M become dirty, - so before this happen, I need to backup the content of mem to top-mem. + so before this happen, I need to backup the content of mem to top-mem. I will reserve the 1M top-men in LBIO table in coreboot_table.c and recovery the content of 1M-mem in wakeup.c */ #if PAYLOAD_IS_SEABIOS==1 // @@ -449,7 +449,7 @@ g) Rx73h = 32h /* some idea of Libo.Feng at amd.com in http://www.coreboot.org/pipermail/coreboot/2008-December/043111.html I want move the 1M data, I have to set some MTRRs myself. */ /* seting mtrr before back memoy save s3 resume time about 0.14 seconds */ - /*because CAR stack use cache, and here to use cache , must be careful, + /*because CAR stack use cache, and here to use cache , must be careful, 1 during these mtrr code, must no function call, (after this mtrr, I think it should be ok to use function) 2 before stack switch, no use variable that have value set before this 3 due to 2, take care of "cpu_reset", I directlly set it to ZERO. @@ -462,7 +462,7 @@ g) Rx73h = 32h u32 memtop4 = *(u32 *) WAKE_MEM_INFO - 64 * 1024 - 0x100000 + 0xe0000; - /* __asm__ volatile ( + /* __asm__ volatile ( "movl $0x204, %%ecx\n\t" "xorl %%edx, %%edx\n\t" "movl %0,%%eax\n\t" @@ -478,7 +478,7 @@ g) Rx73h = 32h "wrmsr\n\t" ::"g"(memtop2) ); - __asm__ volatile ( + __asm__ volatile ( "movl $0x206, %%ecx\n\t" "xorl %%edx, %%edx\n\t" "movl %0,%%eax\n\t" @@ -494,7 +494,7 @@ g) Rx73h = 32h "wrmsr\n\t" ::"g"(memtop1) ); - __asm__ volatile ( + __asm__ volatile ( "movl $0x208, %ecx\n\t" "xorl %edx, %edx\n\t" "movl $0,%eax\n\t" @@ -512,21 +512,21 @@ g) Rx73h = 32h */ // WAKE_MEM_INFO is inited in get_set_top_available_mem in tables.c // these two memcpy not not be enabled if set the MTRR around this two lines. - /*__asm__ volatile ( + /*__asm__ volatile ( "movl $0, %%esi\n\t" "movl %0, %%edi\n\t" "movl $0xa0000, %%ecx\n\t" "shrl $2, %%ecx\n\t" - "rep movsd\n\t" - ::"g"(memtop3) + "rep movsd\n\t" + ::"g"(memtop3) ); - __asm__ volatile ( + __asm__ volatile ( "movl $0xe0000, %%esi\n\t" "movl %0, %%edi\n\t" "movl $0x20000, %%ecx\n\t" "shrl $2, %%ecx\n\t" - "rep movsd\n\t" - ::"g"(memtop4) + "rep movsd\n\t" + ::"g"(memtop4) );*/ print_debug("copy memory to high memory to protect s3 wakeup vector code \n"); //this can have function call, because no variable used before this memcpy((unsigned char *) ((*(u32 *) WAKE_MEM_INFO) - @@ -537,22 +537,22 @@ g) Rx73h = 32h (unsigned char *) 0xe0000, 0x20000); /* restore the MTRR previously modified. */ -/* __asm__ volatile ( - "wbinvd\n\t" +/* __asm__ volatile ( + "wbinvd\n\t" "xorl %edx, %edx\n\t" "xorl %eax, %eax\n\t" "movl $0x204, %ecx\n\t" "wrmsr\n\t" - "movl $0x205, %ecx\n\t" - "wrmsr\n\t" + "movl $0x205, %ecx\n\t" + "wrmsr\n\t" "movl $0x206, %ecx\n\t" "wrmsr\n\t" - "movl $0x207, %ecx\n\t" - "wrmsr\n\t" - "movl $0x208, %ecx\n\t" - "wrmsr\n\t" - "movl $0x209, %ecx\n\t" - "wrmsr\n\t" + "movl $0x207, %ecx\n\t" + "wrmsr\n\t" + "movl $0x208, %ecx\n\t" + "wrmsr\n\t" + "movl $0x209, %ecx\n\t" + "wrmsr\n\t" );*/ } #endif |