summaryrefslogtreecommitdiff
path: root/src/soc
diff options
context:
space:
mode:
authorPhilipp Deppenwiese <zaolin@das-labor.org>2018-07-30 01:31:33 +0200
committerPhilipp Deppenwiese <zaolin.daisuki@gmail.com>2018-07-30 15:45:44 +0000
commit405a0f5230fed414d6fab5791b4efac12a6c3993 (patch)
tree9ce51bf00998a189166afd467c98211bce0409ce /src/soc
parent86b299ab35f047ecc7202cc65283419470a0598d (diff)
soc/intel/fsp_baytrail: Add VBOOT support
* Add vbnv_cmos_failed function to SoC. * Add VBOOT starts in romstage select. Change-Id: I90a051e2b8d303c918bef976d0bb07aae0b1f5b3 Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org> Reviewed-on: https://review.coreboot.org/27728 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/intel/fsp_baytrail/Kconfig3
-rw-r--r--src/soc/intel/fsp_baytrail/Makefile.inc1
-rw-r--r--src/soc/intel/fsp_baytrail/pmutil.c25
3 files changed, 27 insertions, 2 deletions
diff --git a/src/soc/intel/fsp_baytrail/Kconfig b/src/soc/intel/fsp_baytrail/Kconfig
index 1d7e64a658..68084bc885 100644
--- a/src/soc/intel/fsp_baytrail/Kconfig
+++ b/src/soc/intel/fsp_baytrail/Kconfig
@@ -47,6 +47,9 @@ config CPU_SPECIFIC_OPTIONS
# Microcode header files are delivered in FSP package
select USES_MICROCODE_HEADER_FILES if HAVE_FSP_BIN
+config VBOOT
+ select VBOOT_STARTS_IN_ROMSTAGE
+
config SOC_INTEL_FSP_BAYTRAIL_MD
bool
default n
diff --git a/src/soc/intel/fsp_baytrail/Makefile.inc b/src/soc/intel/fsp_baytrail/Makefile.inc
index e01a944afd..0cf99dea4c 100644
--- a/src/soc/intel/fsp_baytrail/Makefile.inc
+++ b/src/soc/intel/fsp_baytrail/Makefile.inc
@@ -42,6 +42,7 @@ ramstage-y += northcluster.c
ramstage-y += ramstage.c
ramstage-y += gpio.c
romstage-y += gpio.c
+romstage-y += pmutil.c
ramstage-y += pmutil.c
ramstage-y += southcluster.c
romstage-y += reset.c
diff --git a/src/soc/intel/fsp_baytrail/pmutil.c b/src/soc/intel/fsp_baytrail/pmutil.c
index 33ecc09488..402842eb74 100644
--- a/src/soc/intel/fsp_baytrail/pmutil.c
+++ b/src/soc/intel/fsp_baytrail/pmutil.c
@@ -15,14 +15,16 @@
#include <stdint.h>
#include <arch/io.h>
+#include <cbmem.h>
#include <console/console.h>
#include <soc/iomap.h>
#include <soc/lpc.h>
#include <soc/pci_devs.h>
#include <soc/pmc.h>
+#include <security/vboot/vbnv.h>
-#if defined(__SMM__)
+#if defined(__SIMPLE_DEVICE__)
static const pci_devfn_t pcu_dev = PCI_DEV(0, PCU_DEV, 0);
@@ -31,7 +33,7 @@ static inline pci_devfn_t get_pcu_dev(void)
return pcu_dev;
}
-#else /* !__SMM__ */
+#else /* !__SIMPLE_DEVICE__ */
#include <device/device.h>
#include <device/pci.h>
@@ -358,3 +360,22 @@ void clear_pmc_status(void)
write32((u32 *)(PMC_BASE_ADDRESS + GEN_PMCON1), gen_pmcon1 & ~RPS);
write32((u32 *)(PMC_BASE_ADDRESS + PRSTS), prsts);
}
+
+int vbnv_cmos_failed(void)
+{
+ uint32_t gen_pmcon1;
+ int rtc_fail;
+ struct chipset_power_state *ps = cbmem_find(CBMEM_ID_POWER_STATE);
+
+ if (ps != NULL)
+ gen_pmcon1 = ps->gen_pmcon1;
+ else
+ gen_pmcon1 = read32((u32 *)(PMC_BASE_ADDRESS + GEN_PMCON1));
+
+ rtc_fail = !!(gen_pmcon1 & RPS);
+
+ if (rtc_fail)
+ printk(BIOS_DEBUG, "RTC failure.\n");
+
+ return rtc_fail;
+}