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| author | Marc Jones <marc.jones@se-eng.com> | 2012-05-10 11:02:32 -0600 |
|---|---|---|
| committer | Peter Stuge <peter@stuge.se> | 2012-05-12 04:30:34 +0200 |
| commit | 7c9ef4f52ca5d02fe52f1b0673bc0536c84ae359 (patch) | |
| tree | 3d529c519baea337462c680c3e9dd1c0f05e51ef /src | |
| parent | b547c4fc990c166e2b488196b1af56691852c976 (diff) | |
| download | coreboot-7c9ef4f52ca5d02fe52f1b0673bc0536c84ae359.tar.xz | |
Add legacy free setting and override to fadt.c
The FADT iapc_boot_arch indicates the available information
for accessing legacy devices. By default, the setting supports
legacy. LEGACY_FREE and/or the iapc_boot_arch field may be
customized.
Change-Id: I5679741e1f8db923d3c00b57f6a5d813550f3a5e
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: http://review.coreboot.org/1024
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Peter Stuge <peter@stuge.se>
Diffstat (limited to 'src')
| -rw-r--r-- | src/southbridge/amd/cimx/sb800/fadt.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/southbridge/amd/cimx/sb800/fadt.c b/src/southbridge/amd/cimx/sb800/fadt.c index f8888d33c3..6605b5383e 100644 --- a/src/southbridge/amd/cimx/sb800/fadt.c +++ b/src/southbridge/amd/cimx/sb800/fadt.c @@ -30,6 +30,13 @@ #include <device/device.h> #include "SBPLATFORM.h" +#ifndef FADT_BOOT_ARCH +#if LEGACY_FREE + #define FADT_BOOT_ARCH (ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042) +#else + #define FADT_BOOT_ARCH ACPI_FADT_LEGACY_FREE +#endif +#endif /* * Reference section 5.2.9 Fixed ACPI Description Table (FADT) @@ -115,7 +122,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt) fadt->day_alrm = 0; /* 0x7d these have to be */ fadt->mon_alrm = 0; /* 0x7e added to cmos.layout */ fadt->century = 0; /* 0x7f to make rtc alrm work */ - fadt->iapc_boot_arch = ACPI_FADT_LEGACY_FREE; /* See table 5-10 */ + fadt->iapc_boot_arch = FADT_BOOT_ARCH; /* See table 5-10 */ fadt->res2 = 0; /* reserved, MUST be 0 ACPI 3.0 */ fadt->flags = ACPI_FADT_WBINVD | /* See table 5-10 ACPI 3.0a spec */ ACPI_FADT_C1_SUPPORTED | |