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authorKyösti Mälkki <kyosti.malkki@gmail.com>2015-01-08 20:03:18 +0200
committerKyösti Mälkki <kyosti.malkki@gmail.com>2015-03-10 23:42:10 +0100
commit9e94dbfcd089db31b2201381f9d83a89cdea86b9 (patch)
treef73b282c8e37e29966f6a86419ceead0f6e5f39a /src/soc/intel/baytrail
parenta63719407fc5fad17eebe0e5086511a511466353 (diff)
ACPI: Get S3 resume state from romstage_handoff
There is nothing platform specific in retrieving S3 resume state from romstage_handoff structure. Boards without EARLY_CBMEM_INIT update acpi_slp_type from ACPI power-management block or scratchpad registers. Change-Id: Ifc3755f891a0810473b3216c1fec8e45908fc1ab Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/8188 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src/soc/intel/baytrail')
-rw-r--r--src/soc/intel/baytrail/ramstage.c26
-rw-r--r--src/soc/intel/baytrail/southcluster.c3
-rw-r--r--src/soc/intel/baytrail/xhci.c4
3 files changed, 9 insertions, 24 deletions
diff --git a/src/soc/intel/baytrail/ramstage.c b/src/soc/intel/baytrail/ramstage.c
index 96229307aa..9e429ab983 100644
--- a/src/soc/intel/baytrail/ramstage.c
+++ b/src/soc/intel/baytrail/ramstage.c
@@ -27,8 +27,8 @@
#include <device/device.h>
#include <device/pci_def.h>
#include <device/pci_ops.h>
-#include <romstage_handoff.h>
#include <stdlib.h>
+#include <string.h>
#include <baytrail/gpio.h>
#include <baytrail/lpc.h>
@@ -130,13 +130,6 @@ static void fill_in_pattrs(void)
attrs->bclk_khz = bus_freq_khz();
}
-static inline void set_acpi_sleep_type(int val)
-{
-#if CONFIG_HAVE_ACPI_RESUME
- acpi_slp_type = val;
-#endif
-}
-
/* Save bit index for first enabled event in PM1_STS for \_SB._SWS */
static void s3_save_acpi_wake_source(global_nvs_t *gnvs)
{
@@ -166,22 +159,15 @@ static void s3_save_acpi_wake_source(global_nvs_t *gnvs)
static void s3_resume_prepare(void)
{
global_nvs_t *gnvs;
- struct romstage_handoff *romstage_handoff;
gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof(global_nvs_t));
-
- romstage_handoff = cbmem_find(CBMEM_ID_ROMSTAGE_INFO);
- if (romstage_handoff == NULL || romstage_handoff->s3_resume == 0) {
- if (gnvs != NULL) {
- memset(gnvs, 0, sizeof(global_nvs_t));
- }
- set_acpi_sleep_type(0);
+ if (gnvs == NULL)
return;
- }
-
- set_acpi_sleep_type(3);
- s3_save_acpi_wake_source(gnvs);
+ if (!acpi_is_wakeup_s3())
+ memset(gnvs, 0, sizeof(global_nvs_t));
+ else
+ s3_save_acpi_wake_source(gnvs);
}
void baytrail_init_pre_device(struct soc_intel_baytrail_config *config)
diff --git a/src/soc/intel/baytrail/southcluster.c b/src/soc/intel/baytrail/southcluster.c
index d0569b45c7..c39244717b 100644
--- a/src/soc/intel/baytrail/southcluster.c
+++ b/src/soc/intel/baytrail/southcluster.c
@@ -29,7 +29,6 @@
#include <device/pci.h>
#include <device/pci_ids.h>
#include <pc80/mc146818rtc.h>
-#include <romstage_handoff.h>
#include <drivers/uart/uart8250reg.h>
#include <baytrail/iomap.h>
@@ -215,7 +214,7 @@ static void sc_init(device_t dev)
read32(gen_pmcon1) & ~DIS_SLP_X_STRCH_SUS_UP);
}
- if (acpi_slp_type == 3)
+ if (acpi_is_wakeup_s3())
com1_configure_resume(dev);
}
diff --git a/src/soc/intel/baytrail/xhci.c b/src/soc/intel/baytrail/xhci.c
index 8d076c2fa2..19339e4b62 100644
--- a/src/soc/intel/baytrail/xhci.c
+++ b/src/soc/intel/baytrail/xhci.c
@@ -184,7 +184,7 @@ static void xhci_route_all(device_t dev)
/* Route ports to XHCI controller */
reg_script_run_on_dev(dev, xhci_route_all_script);
- if (acpi_slp_type == 3)
+ if (acpi_is_wakeup_s3())
return;
/* Reset enabled USB3 ports */
@@ -222,7 +222,7 @@ static void xhci_init(device_t dev)
};
/* Initialize XHCI controller for boot or resume path */
- if (acpi_slp_type == 3)
+ if (acpi_is_wakeup_s3())
reg_script_run_on_dev(dev, xhci_init_resume_script);
else
reg_script_run_on_dev(dev, xhci_init_boot_script);