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authorPatrick Rudolph <patrick.rudolph@9elements.com>2019-03-24 14:59:45 +0100
committerPatrick Rudolph <siro@das-labor.org>2019-04-13 14:49:19 +0000
commita3caa2d3bbe791c39af2b56ae6f94ec83c4e09e2 (patch)
treec52cb29538fd396629901ff4b4540290bc612325 /src/southbridge
parent0168639b9af184097dcfd913a29f970eaaa8a47e (diff)
downloadcoreboot-a3caa2d3bbe791c39af2b56ae6f94ec83c4e09e2.tar.xz
sb/intel/lynxpoint: Use SOUTHBRIDGE_INTEL_COMMON_PMCLIB
Use common code to detect ACPI S3. Untested. Change-Id: I87ac56e4ba1fb83761786d5f32a0fc308ee9718a Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/32039 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/southbridge')
-rw-r--r--src/southbridge/intel/lynxpoint/Kconfig1
-rw-r--r--src/southbridge/intel/lynxpoint/early_pch.c23
2 files changed, 3 insertions, 21 deletions
diff --git a/src/southbridge/intel/lynxpoint/Kconfig b/src/southbridge/intel/lynxpoint/Kconfig
index 87e197070b..431744f08c 100644
--- a/src/southbridge/intel/lynxpoint/Kconfig
+++ b/src/southbridge/intel/lynxpoint/Kconfig
@@ -26,6 +26,7 @@ config SOUTH_BRIDGE_OPTIONS # dummy
select SOUTHBRIDGE_INTEL_COMMON_SPI
select SOUTHBRIDGE_INTEL_COMMON_ACPI_MADT
select SOUTHBRIDGE_INTEL_COMMON_FINALIZE
+ select SOUTHBRIDGE_INTEL_COMMON_PMCLIB
select IOAPIC
select HAVE_SMI_HANDLER
select HAVE_USBDEBUG_OPTIONS
diff --git a/src/southbridge/intel/lynxpoint/early_pch.c b/src/southbridge/intel/lynxpoint/early_pch.c
index 994021c6b0..3d2d2c48fa 100644
--- a/src/southbridge/intel/lynxpoint/early_pch.c
+++ b/src/southbridge/intel/lynxpoint/early_pch.c
@@ -19,6 +19,7 @@
#include <device/pci_ops.h>
#include <device/device.h>
#include <device/pci_def.h>
+#include <southbridge/intel/common/pmclib.h>
#include <elog.h>
#include "pch.h"
#include "chip.h"
@@ -67,26 +68,6 @@ static void pch_generic_setup(void)
printk(BIOS_DEBUG, " done.\n");
}
-static int sleep_type_s3(void)
-{
- u32 pm1_cnt;
- u16 pm1_sts;
- int is_s3 = 0;
-
- /* Check PM1_STS[15] to see if we are waking from Sx */
- pm1_sts = inw(DEFAULT_PMBASE + PM1_STS);
- if (pm1_sts & WAK_STS) {
- /* Read PM1_CNT[12:10] to determine which Sx state */
- pm1_cnt = inl(DEFAULT_PMBASE + PM1_CNT);
- if (((pm1_cnt >> 10) & 7) == SLP_TYP_S3) {
- /* Clear SLP_TYPE. */
- outl(pm1_cnt & ~(7 << 10), DEFAULT_PMBASE + PM1_CNT);
- is_s3 = 1;
- }
- }
- return is_s3;
-}
-
void pch_enable_lpc(void)
{
const struct device *dev = pcidev_on_root(0x1f, 0);
@@ -148,7 +129,7 @@ int early_pch_init(const void *gpio_map,
/* Mainboard RCBA settings */
pch_config_rcba(rcba_config);
- wake_from_s3 = sleep_type_s3();
+ wake_from_s3 = southbridge_detect_s3_resume();
#if CONFIG(ELOG_BOOT_COUNT)
if (!wake_from_s3)