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soc/intel/broadwell: Use common SB RTC code 

Change-Id: Iedb9a8962ac1b4107e9192b0be610fb92d2cfdc6
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33202
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Arthur Heymans 2019-06-04 14:12:01 +02:00 committed by Nico Huber
parent 1d4bdda47f
commit 2abbe46765
4 changed files with 3 additions and 35 deletions
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1
src/soc/intel/broadwell/Kconfig
View File

@ -19,6 +19,7 @@ config CPU_SPECIFIC_OPTIONS
select SUPPORT_CPU_UCODE_IN_CBFS
select HAVE_SMI_HANDLER
select SOUTHBRIDGE_INTEL_COMMON_RESET
select SOUTHBRIDGE_INTEL_COMMON_RTC
select HAVE_USBDEBUG
select IOAPIC
select REG_SCRIPT

3
src/soc/intel/broadwell/include/soc/pm.h
View File

@ -155,7 +155,4 @@ void disable_gpe(uint32_t mask);
/* Return the selected ACPI SCI IRQ */
int acpi_sci_irq(void);
/* Return non-zero when RTC failure happened. */
int rtc_failure(void);
#endif

8
src/soc/intel/broadwell/lpc.c
View File

@ -42,6 +42,7 @@
#include <soc/rcba.h>
#include <soc/intel/broadwell/chip.h>
#include <arch/acpigen.h>
#include <southbridge/intel/common/rtc.h>
static void pch_enable_ioapic(struct device *dev)
{
@ -190,11 +191,6 @@ static void pch_power_options(struct device *dev)
enable_alt_smi(config->alt_gp_smi_en);
}
static void pch_rtc_init(struct device *dev)
{
cmos_init(rtc_failure());
}
static const struct reg_script pch_misc_init_script[] = {
/* Setup SLP signal assertion, SLP_S4=4s, SLP_S3=50ms */
REG_PCI_RMW16(GEN_PMCON_3, ~((3 << 4)|(1 << 10)),
@ -439,7 +435,7 @@ static void lpc_init(struct device *dev)
{
/* Legacy initialization */
isa_dma_init();
pch_rtc_init(dev);
sb_rtc_init();
reg_script_run_on_dev(dev, pch_misc_init_script);
/* Interrupt configuration */

26
src/soc/intel/broadwell/pmutil.c
View File

@ -451,32 +451,6 @@ int acpi_sci_irq(void)
return sci_irq;
}
int rtc_failure(void)
{
u8 reg8;
int rtc_failed;
#if defined(__SIMPLE_DEVICE__)
pci_devfn_t dev = PCH_DEV_LPC;
#else
struct device *dev = PCH_DEV_LPC;
#endif
reg8 = pci_read_config8(dev, GEN_PMCON_3);
rtc_failed = reg8 & RTC_BATTERY_DEAD;
if (rtc_failed) {
reg8 &= ~RTC_BATTERY_DEAD;
pci_write_config8(dev, GEN_PMCON_3, reg8);
printk(BIOS_DEBUG, "rtc_failed = 0x%x\n", rtc_failed);
}
return !!rtc_failed;
}
int vbnv_cmos_failed(void)
{
return rtc_failure();
}
int vboot_platform_is_resuming(void)
{
if (!(inw(ACPI_BASE_ADDRESS + PM1_STS) & WAK_STS))