vboot: fix CONFIG_RESUME_PATH_SAME_AS_BOOT S3 resume logic
- should not check VBOOT_STARTS_IN_BOOTBLOCK to set context flag
- implement vboot_platform_is_resuming on platforms missing it
- add ACPI_INTEL_HARDWARE_SLEEP_VALUES to two intel southbridges
[ originally https://review.coreboot.org/c/coreboot/+/28750 ]
BUG=b:114018226
TEST=compile coreboot
Change-Id: I1ef0bcdfd01746198f8140f49698b58065d820b9
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://review.coreboot.org/29060
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
diff --git a/src/security/vboot/vboot_logic.c b/src/security/vboot/vboot_logic.c
index f3a6b41..1b24160 100644
--- a/src/security/vboot/vboot_logic.c
+++ b/src/security/vboot/vboot_logic.c
@@ -309,7 +309,6 @@
* does verification of memory init and thus must ensure it resumes with
* the same slot that it booted from. */
if (IS_ENABLED(CONFIG_RESUME_PATH_SAME_AS_BOOT) &&
- IS_ENABLED(CONFIG_VBOOT_STARTS_IN_BOOTBLOCK) &&
vboot_platform_is_resuming())
ctx.flags |= VB2_CONTEXT_S3_RESUME;
diff --git a/src/soc/intel/baytrail/pmutil.c b/src/soc/intel/baytrail/pmutil.c
index 51c3ea0..06751f1 100644
--- a/src/soc/intel/baytrail/pmutil.c
+++ b/src/soc/intel/baytrail/pmutil.c
@@ -14,6 +14,7 @@
*/
#include <stdint.h>
+#include <arch/acpi.h>
#include <arch/io.h>
#include <cbmem.h>
#include <console/console.h>
@@ -23,6 +24,7 @@
#include <soc/pci_devs.h>
#include <soc/pmc.h>
#include <security/vboot/vbnv.h>
+#include <security/vboot/vboot_common.h>
#if defined(__SIMPLE_DEVICE__)
@@ -384,3 +386,11 @@
{
return rtc_failure();
}
+
+int vboot_platform_is_resuming(void)
+{
+ if (!(inw(ACPI_BASE_ADDRESS + PM1_STS) & WAK_STS))
+ return 0;
+
+ return acpi_sleep_from_pm1(inl(ACPI_BASE_ADDRESS + PM1_CNT)) == ACPI_S3;
+}
diff --git a/src/soc/intel/braswell/pmutil.c b/src/soc/intel/braswell/pmutil.c
index 00284d1..85384a61 100644
--- a/src/soc/intel/braswell/pmutil.c
+++ b/src/soc/intel/braswell/pmutil.c
@@ -14,6 +14,7 @@
* GNU General Public License for more details.
*/
+#include <arch/acpi.h>
#include <arch/io.h>
#include <cbmem.h>
#include <console/console.h>
@@ -24,6 +25,7 @@
#include <soc/pm.h>
#include <stdint.h>
#include <security/vboot/vbnv.h>
+#include <security/vboot/vboot_common.h>
#if defined(__SIMPLE_DEVICE__)
@@ -380,3 +382,11 @@
{
return rtc_failure();
}
+
+int vboot_platform_is_resuming(void)
+{
+ if (!(inw(ACPI_BASE_ADDRESS + PM1_STS) & WAK_STS))
+ return 0;
+
+ return acpi_sleep_from_pm1(inl(ACPI_BASE_ADDRESS + PM1_CNT)) == ACPI_S3;
+}
diff --git a/src/soc/intel/broadwell/pmutil.c b/src/soc/intel/broadwell/pmutil.c
index 3899130..e19025b 100644
--- a/src/soc/intel/broadwell/pmutil.c
+++ b/src/soc/intel/broadwell/pmutil.c
@@ -18,6 +18,7 @@
* and the differences between PCH variants.
*/
+#include <arch/acpi.h>
#include <arch/io.h>
#include <device/device.h>
#include <device/pci.h>
@@ -29,6 +30,7 @@
#include <soc/pm.h>
#include <soc/gpio.h>
#include <security/vboot/vbnv.h>
+#include <security/vboot/vboot_common.h>
/* Print status bits with descriptive names */
static void print_status_bits(u32 status, const char *bit_names[])
@@ -473,3 +475,11 @@
{
return rtc_failure();
}
+
+int vboot_platform_is_resuming(void)
+{
+ if (!(inw(ACPI_BASE_ADDRESS + PM1_STS) & WAK_STS))
+ return 0;
+
+ return acpi_sleep_from_pm1(inl(ACPI_BASE_ADDRESS + PM1_CNT)) == ACPI_S3;
+}
diff --git a/src/soc/intel/fsp_baytrail/romstage/romstage.c b/src/soc/intel/fsp_baytrail/romstage/romstage.c
index f8d985e..fb5962e 100644
--- a/src/soc/intel/fsp_baytrail/romstage/romstage.c
+++ b/src/soc/intel/fsp_baytrail/romstage/romstage.c
@@ -39,6 +39,7 @@
#include <version.h>
#include <pc80/mc146818rtc.h>
#include <device/pci_def.h>
+#include <security/vboot/vboot_common.h>
/* Return 0, 3, 4 or 5 to indicate the previous sleep state. */
uint32_t chipset_prev_sleep_state(uint32_t clear)
@@ -271,3 +272,8 @@
{
return 0;
}
+
+int vboot_platform_is_resuming(void)
+{
+ return !!romstage_handoff_is_resume();
+}
diff --git a/src/southbridge/intel/common/pmbase.c b/src/southbridge/intel/common/pmbase.c
index 360b63d..2de57d6 100644
--- a/src/southbridge/intel/common/pmbase.c
+++ b/src/southbridge/intel/common/pmbase.c
@@ -14,13 +14,16 @@
*/
#include <stdint.h>
+#include <arch/acpi.h>
#include <arch/io.h>
#include <device/device.h>
#include <device/pci.h>
#include <arch/early_variables.h>
#include <assert.h>
+#include <security/vboot/vboot_common.h>
#include "pmbase.h"
+#include "pmutil.h"
/* LPC PM Base Address Register */
#define PMBASE 0x40
@@ -91,3 +94,13 @@
return inb(lpc_get_pmbase() + addr);
}
+
+int vboot_platform_is_resuming(void)
+{
+ u16 reg16 = read_pmbase16(PM1_STS);
+
+ if (!(reg16 & WAK_STS))
+ return 0;
+
+ return acpi_sleep_from_pm1(reg16) == ACPI_S3;
+}
diff --git a/src/southbridge/intel/common/pmutil.h b/src/southbridge/intel/common/pmutil.h
index 273e0f8..26134d9 100644
--- a/src/southbridge/intel/common/pmutil.h
+++ b/src/southbridge/intel/common/pmutil.h
@@ -17,6 +17,8 @@
#ifndef INTEL_COMMON_PMUTIL_H
#define INTEL_COMMON_PMUTIL_H
+#include <cpu/x86/smm.h>
+
#define D31F0_PMBASE 0x40
#define D31F0_GEN_PMCON_3 0xa4
#define D31F0_GPIO_ROUT 0xb8
diff --git a/src/southbridge/intel/i82371eb/Kconfig b/src/southbridge/intel/i82371eb/Kconfig
index f22c6e9..6552099 100644
--- a/src/southbridge/intel/i82371eb/Kconfig
+++ b/src/southbridge/intel/i82371eb/Kconfig
@@ -1,4 +1,5 @@
config SOUTHBRIDGE_INTEL_I82371EB
+ select ACPI_INTEL_HARDWARE_SLEEP_VALUES
select SOUTHBRIDGE_INTEL_COMMON
select SOUTHBRIDGE_INTEL_COMMON_SMBUS
bool
diff --git a/src/southbridge/intel/i82801jx/Kconfig b/src/southbridge/intel/i82801jx/Kconfig
index e56d692..4308e29 100644
--- a/src/southbridge/intel/i82801jx/Kconfig
+++ b/src/southbridge/intel/i82801jx/Kconfig
@@ -28,6 +28,7 @@
select SOUTHBRIDGE_INTEL_COMMON_GPIO
select INTEL_DESCRIPTOR_MODE_CAPABLE
select COMMON_FADT
+ select ACPI_INTEL_HARDWARE_SLEEP_VALUES
if SOUTHBRIDGE_INTEL_I82801JX