diff options
| author | Patrick Rudolph <patrick.rudolph@9elements.com> | 2019-07-19 16:31:37 +0200 |
|---|---|---|
| committer | Patrick Rudolph <siro@das-labor.org> | 2020-05-28 06:26:32 +0000 |
| commit | 78e8db1eebaf4e90c0de2b38a0cc8832057766a7 (patch) | |
| tree | e1c5345448a0286f4bad695fe3ce0ea57e16c5af /src | |
| parent | a121f953937eb718cc579ce2c428937d00a91287 (diff) | |
sb/intel/{bd82x6x|ibexpeak}: Clear flush_* in FADT
Both fields are ignored if WBINVD is set, which is true for all
processors since i486.
Change-Id: Ibad56046e2c1b8595dc31e5861b9fd1fd7d2d6f3
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Christian Walter <christian.walter@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34453
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src')
| -rw-r--r-- | src/southbridge/intel/bd82x6x/lpc.c | 6 | ||||
| -rw-r--r-- | src/southbridge/intel/ibexpeak/lpc.c | 6 |
2 files changed, 6 insertions, 6 deletions
diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c index 987db360e2..55e2573eff 100644 --- a/src/southbridge/intel/bd82x6x/lpc.c +++ b/src/southbridge/intel/bd82x6x/lpc.c @@ -726,12 +726,12 @@ void acpi_fill_fadt(acpi_fadt_t *fadt) } fadt->p_lvl2_lat = c2_latency; fadt->p_lvl3_lat = 87; - fadt->flush_size = 1024; - fadt->flush_stride = 16; + /* flush_* is ignored if ACPI_FADT_WBINVD is set */ + fadt->flush_size = 0; + fadt->flush_stride = 0; /* P_CNT not supported */ fadt->duty_offset = 0; fadt->duty_width = 0; - fadt->day_alrm = 0xd; fadt->mon_alrm = 0x00; fadt->century = 0x00; diff --git a/src/southbridge/intel/ibexpeak/lpc.c b/src/southbridge/intel/ibexpeak/lpc.c index 0d15b5d8fa..54b2621bca 100644 --- a/src/southbridge/intel/ibexpeak/lpc.c +++ b/src/southbridge/intel/ibexpeak/lpc.c @@ -620,12 +620,12 @@ void acpi_fill_fadt(acpi_fadt_t *fadt) } fadt->p_lvl2_lat = c2_latency; fadt->p_lvl3_lat = 87; - fadt->flush_size = 1024; - fadt->flush_stride = 16; + /* flush_* is ignored if ACPI_FADT_WBINVD is set */ + fadt->flush_size = 0; + fadt->flush_stride = 0; /* P_CNT not supported */ fadt->duty_offset = 0; fadt->duty_width = 0; - fadt->day_alrm = 0xd; fadt->mon_alrm = 0x00; fadt->century = 0x32; |