[coreboot] [commit] r6293 - trunk/src/southbridge/amd/sb800
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Mon Jan 24 08:50:08 CET 2011
Author: zbao
Date: Mon Jan 24 08:50:07 2011
New Revision: 6293
URL: https://tracker.coreboot.org/trac/coreboot/changeset/6293
Log:
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 at amd.com>
Acked-by: Zheng Bao <zheng.bao at amd.com>
Modified:
trunk/src/southbridge/amd/sb800/early_setup.c
trunk/src/southbridge/amd/sb800/fadt.c
Modified: trunk/src/southbridge/amd/sb800/early_setup.c
==============================================================================
--- trunk/src/southbridge/amd/sb800/early_setup.c Sun Jan 23 07:47:09 2011 (r6292)
+++ trunk/src/southbridge/amd/sb800/early_setup.c Mon Jan 24 08:50:07 2011 (r6293)
@@ -55,9 +55,12 @@
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);
Modified: trunk/src/southbridge/amd/sb800/fadt.c
==============================================================================
--- trunk/src/southbridge/amd/sb800/fadt.c Sun Jan 23 07:47:09 2011 (r6292)
+++ trunk/src/southbridge/amd/sb800/fadt.c Mon Jan 24 08:50:07 2011 (r6293)
@@ -38,7 +38,7 @@
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);
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