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arch/x86: Pass GNVS as parameter to SMM module

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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>
This commit is contained in:
Kyösti Mälkki
2020-06-29 05:57:12 +03:00
committed by Patrick Georgi
parent c5a3a4a602
commit 8c2cc68b1a
26 changed files with 4 additions and 208 deletions
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20
src/soc/intel/baytrail/smihandler.c
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@@ -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();