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Change fadt revision back to 3. 

The AcpiPmaCntBlk have to be set.
Further research is needed to find out why.

Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Acked-by: Zheng Bao <zheng.bao@amd.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6293 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Zheng Bao 2011-01-24 07:50:07 +00:00 committed by Zheng Bao
parent 4f81e198ae
commit a302b58d01
2 changed files with 5 additions and 2 deletions
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5
src/southbridge/amd/sb800/early_setup.c
View File

@ -55,9 +55,12 @@ static void sb800_acpi_init(void) {
pmio_write(0x66, ACPI_CPU_CONTROL & 0xFF);
pmio_write(0x67, ACPI_CPU_CONTROL >> 8);
pmio_write(0x6A, 0); /* AcpiSmiCmdLo */
pmio_write(0x6A, 0xB0); /* AcpiSmiCmdLo */
pmio_write(0x6B, 0); /* AcpiSmiCmdHi */
pmio_write(0x6E, 0xB8); /* AcpiPmaCntBlkLo */
pmio_write(0x6F, 0); /* AcpiPmaCntBlkHi */
pmio_write(0x6C, ACPI_PMA_CNT_BLK & 0xFF);
pmio_write(0x6D, ACPI_PMA_CNT_BLK >> 8);

2
src/southbridge/amd/sb800/fadt.c
View File

@ -38,7 +38,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
memset((void *)fadt, 0, sizeof(acpi_fadt_t));
memcpy(header->signature, "FACP", 4);
header->length = 244;
header->revision = 1; /* TODO: 3 will make linux hang. */
header->revision = 3;
memcpy(header->oem_id, OEM_ID, 6);
memcpy(header->oem_table_id, "COREBOOT", 8);
memcpy(header->asl_compiler_id, ASLC, 4);