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

diff --git a/src/southbridge/amd/sb800/early_setup.c b/src/southbridge/amd/sb800/early_setup.c
index 4672ada216bbce11050a366d76e5630ee3f32f99..7ef0d8e268362ed5d58fb5fe946955da461f9545 100644 (file)
--- a/src/southbridge/amd/sb800/early_setup.c
+++ b/src/southbridge/amd/sb800/early_setup.c
@@ -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);
 

diff --git a/src/southbridge/amd/sb800/fadt.c b/src/southbridge/amd/sb800/fadt.c
index fece94398afe04b647c60402606382dc7e1395e8..6eb5c0a73704af01e22d98f14217a1e23cec852c 100644 (file)
--- a/src/southbridge/amd/sb800/fadt.c
+++ b/src/southbridge/amd/sb800/fadt.c
@@ -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);