diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2020-06-17 10:34:26 +0300 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-06-24 11:49:15 +0000 |
| commit | c3c55210ee598e2dfcfc0bbe664cd703e6fdf3fe (patch) | |
| tree | 8efb929b92a7c8cfd7cb92042ac628d396e3d6ae /src/soc/intel/braswell | |
| parent | 5daa1d38985a19dc84f2299dba2e340dda2870ae (diff) | |
ACPI: Replace smm_setup_structures()
Except for whitespace and varying casts the codes were
the same when implemented.
Platforms that did not implement this are tagged with
ACPI_NO_SMI_GNVS.
Change-Id: I31ec85ebce03d0d472403806969f863e4ca03b6b
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42362
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/intel/braswell')
| -rw-r--r-- | src/soc/intel/braswell/acpi.c | 2 | ||||
| -rw-r--r-- | src/soc/intel/braswell/smm.c | 19 |
2 files changed, 1 insertions, 20 deletions
diff --git a/src/soc/intel/braswell/acpi.c b/src/soc/intel/braswell/acpi.c index 53379a0da4..1290d625ac 100644 --- a/src/soc/intel/braswell/acpi.c +++ b/src/soc/intel/braswell/acpi.c @@ -512,7 +512,7 @@ void southcluster_inject_dsdt(const struct device *device) gnvs->cid1 = WRDD_DEFAULT_REGULATORY_DOMAIN; /* And tell SMI about it */ - smm_setup_structures(gnvs, NULL, NULL); + apm_control(APM_CNT_GNVS_UPDATE); /* Add it to DSDT */ acpigen_write_scope("\\"); diff --git a/src/soc/intel/braswell/smm.c b/src/soc/intel/braswell/smm.c index e3ebc32304..3f3c53fa74 100644 --- a/src/soc/intel/braswell/smm.c +++ b/src/soc/intel/braswell/smm.c @@ -99,22 +99,3 @@ void global_smi_enable(void) { smm_southbridge_enable(PWRBTN_EN | GBL_EN); } - -void smm_setup_structures(void *gnvs, void *tcg, void *smi1) -{ - /* - * Issue SMI to set the gnvs pointer in SMM. - * tcg and smi1 are unused. - * - * EAX = APM_CNT_GNVS_UPDATE - * EBX = gnvs pointer - * EDX = APM_CNT - */ - asm volatile ( - "outb %%al, %%dx\n\t" - : /* ignore result */ - : "a" (APM_CNT_GNVS_UPDATE), - "b" ((uint32_t)gnvs), - "d" (APM_CNT) - ); -} |