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authorKyösti Mälkki <kyosti.malkki@gmail.com>2020-06-29 05:57:12 +0300
committerPatrick Georgi <pgeorgi@google.com>2021-01-04 23:15:46 +0000
commit8c2cc68b1ac9e1fb2011bcb669df04b4c8cad351 (patch)
treed58be6725fbfc4c15034a630afdb8262e2fca84e /src/soc/intel/baytrail
parentc5a3a4a602f938dbc6e2e63c96522e0b74b6c814 (diff)
arch/x86: Pass GNVS as parameter to SMM module
Change-Id: I9d7417462830443f9c96273d2cc326cbcc3b17dd Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/48698 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/baytrail')
-rw-r--r--src/soc/intel/baytrail/smihandler.c20
-rw-r--r--src/soc/intel/baytrail/southcluster.c2
2 files changed, 0 insertions, 22 deletions
diff --git a/src/soc/intel/baytrail/smihandler.c b/src/soc/intel/baytrail/smihandler.c
index 1810821ec8..6fedba7f69 100644
--- a/src/soc/intel/baytrail/smihandler.c
+++ b/src/soc/intel/baytrail/smihandler.c
@@ -18,8 +18,6 @@
#include <soc/pm.h>
#include <soc/nvs.h>
-static int smm_initialized;
-
int southbridge_io_trap_handler(int smif)
{
switch (smif) {
@@ -282,7 +280,6 @@ static void southbridge_smi_store(void)
static void southbridge_smi_apmc(void)
{
uint8_t reg8;
- em64t100_smm_state_save_area_t *state;
/* Emulate B2 register as the FADT / Linux expects it */
@@ -312,23 +309,6 @@ static void southbridge_smi_apmc(void)
enable_pm1_control(SCI_EN);
printk(BIOS_DEBUG, "SMI#: ACPI enabled.\n");
break;
- case APM_CNT_GNVS_UPDATE:
- if (smm_initialized) {
- printk(BIOS_DEBUG, "SMI#: SMM structures already initialized!\n");
- return;
- }
- state = smi_apmc_find_state_save(reg8);
- if (state) {
- /* EBX in the state save contains the GNVS pointer */
- gnvs = (struct global_nvs *)((uint32_t)state->rbx);
- if (smm_points_to_smram(gnvs, sizeof(*gnvs))) {
- printk(BIOS_ERR, "SMI#: ERROR: GNVS overlaps SMM\n");
- return;
- }
- smm_initialized = 1;
- printk(BIOS_DEBUG, "SMI#: Setting GNVS to %p\n", gnvs);
- }
- break;
case APM_CNT_ELOG_GSMI:
if (CONFIG(ELOG_GSMI))
southbridge_smi_gsmi();
diff --git a/src/soc/intel/baytrail/southcluster.c b/src/soc/intel/baytrail/southcluster.c
index 967a710c2a..2df6410e64 100644
--- a/src/soc/intel/baytrail/southcluster.c
+++ b/src/soc/intel/baytrail/southcluster.c
@@ -497,8 +497,6 @@ static void southcluster_inject_dsdt(const struct device *device)
if (gnvs) {
acpi_create_gnvs(gnvs);
- /* And tell SMI about it */
- apm_control(APM_CNT_GNVS_UPDATE);
/* Add it to DSDT. */
acpigen_write_scope("\\");