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mb/google/zork: keep the c-state IO base address alignment 

Align the C-state MSR value of BSP with AGESA.

BUG=b:162705221
BRANCH=none
TEST=Check the MSR value is correct and BSP can enter CC6 with AVT tool

Signed-off-by: Chris Wang <chris.wang@amd.corp-partner.google.com>
Change-Id: Ib98d34af518439d338326446c20601867ad31690
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44135
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Chris Wang 2020-08-03 22:36:13 +08:00 committed by Aaron Durbin
parent b7184e28ba
commit e2497d0181
3 changed files with 11 additions and 7 deletions
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10
src/soc/amd/picasso/cpu.c
View File

@ -46,6 +46,15 @@ int get_cpu_count(void)
return 1 + (cpuid_ecx(0x80000008) & 0xff);
}
static void set_cstate_io_addr(void)
{
msr_t cst_addr;
cst_addr.hi = 0;
cst_addr.lo = ACPI_CPU_CONTROL;
wrmsr(MSR_CSTATE_ADDRESS, cst_addr);
}
static void fill_in_relocation_params(struct smm_relocation_params *params)
{
uintptr_t tseg_base;
@ -109,6 +118,7 @@ static void model_17_init(struct device *dev)
{
check_mca();
setup_lapic();
set_cstate_io_addr();
amd_update_microcode_from_cbfs();
}

2
src/soc/amd/picasso/include/soc/iomap.h
View File

@ -69,7 +69,7 @@
#define ACPI_PM1_EN (ACPI_PM_EVT_BLK + 0x02) /* 2 bytes */
#define ACPI_PM1_CNT_BLK (PICASSO_ACPI_IO_BASE + 0x04) /* 2 bytes */
#define ACPI_PM_TMR_BLK (PICASSO_ACPI_IO_BASE + 0x08) /* 4 bytes */
#define ACPI_CPU_CONTROL (PICASSO_ACPI_IO_BASE + 0x0c) /* 6 bytes */
#define ACPI_CPU_CONTROL (PICASSO_ACPI_IO_BASE + 0x13)
/* doc says 0x14 for GPE0_BLK but FT5 only works with 0x20 */
#define ACPI_GPE0_BLK (PICASSO_ACPI_IO_BASE + 0x20) /* 8 bytes */
#define ACPI_GPE0_STS (ACPI_GPE0_BLK + 0x00) /* 4 bytes */

6
src/soc/amd/picasso/southbridge.c
View File

@ -233,7 +233,6 @@ void sb_enable(struct device *dev)
static void sb_init_acpi_ports(void)
{
u32 reg;
msr_t cst_addr;
/* We use some of these ports in SMM regardless of whether or not
* ACPI tables are generated. Enable these ports indiscriminately.
@ -244,11 +243,6 @@ static void sb_init_acpi_ports(void)
pm_write16(PM_TMR_BLK, ACPI_PM_TMR_BLK);
pm_write16(PM_GPE0_BLK, ACPI_GPE0_BLK);
/* CpuControl is in \_SB.CP00, 6 bytes */
cst_addr.hi = 0;
cst_addr.lo = ACPI_CPU_CONTROL;
wrmsr(MSR_CSTATE_ADDRESS, cst_addr);
if (CONFIG(HAVE_SMI_HANDLER)) {
/* APMC - SMI Command Port */
pm_write16(PM_ACPI_SMI_CMD, APM_CNT);