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src/soc/intel/braswell/romstage/romstage.c: Perform RTC init in romstage 

soc_rtc_init() is executed in ramstage
The soc_rtc_init() needs to be executeed before FSP is called. Move the RTC
init from ramstage to romstage.

BUG=N/A
TEST=Intel CherryHill CRB

Change-Id: Ic19c768bf9d9aef7505fb9327e4eedf7212b0057
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/29397
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Frans Hendriks 2018-11-01 14:02:57 +01:00 committed by Patrick Georgi
parent fe701ee398
commit 392d699570
2 changed files with 21 additions and 9 deletions
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21
src/soc/intel/braswell/romstage/romstage.c
View File

@ -3,6 +3,7 @@
*
* Copyright (C) 2013 Google Inc.
* Copyright (C) 2015 Intel Corp.
* Copyright (C) 2018 Eltan B.V.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -43,6 +44,9 @@
#include <soc/romstage.h>
#include <soc/smm.h>
#include <soc/spi.h>
#include <build.h>
#include <rtc.h>
#include <pc80/mc146818rtc.h>
void program_base_addresses(void)
{
@ -89,6 +93,22 @@ static void spi_init(void)
write32(bcr, reg);
}
static void soc_rtc_init(void)
{
int rtc_failed = rtc_failure();
if (rtc_failed) {
printk(BIOS_ERR,
"RTC Failure detected. Resetting date to %x/%x/%x%x\n",
COREBOOT_BUILD_MONTH_BCD,
COREBOOT_BUILD_DAY_BCD,
0x20,
COREBOOT_BUILD_YEAR_BCD);
}
cmos_init(rtc_failed);
}
static struct chipset_power_state power_state CAR_GLOBAL;
static void migrate_power_state(int is_recovery)
@ -172,6 +192,7 @@ void car_soc_pre_console_init(void)
void car_soc_post_console_init(void)
{
/* Continue chipset initialization */
soc_rtc_init();
set_max_freq();
spi_init();

9
src/soc/intel/braswell/southcluster.c
View File

@ -26,7 +26,6 @@
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <pc80/mc146818rtc.h>
#include <romstage_handoff.h>
#include <soc/acpi.h>
#include <soc/iomap.h>
@ -149,12 +148,6 @@ static void sc_read_resources(struct device *dev)
sc_add_io_resources(dev);
}
static void sc_rtc_init(void)
{
printk(BIOS_SPEW, "%s/%s\n", __FILE__, __func__);
cmos_init(rtc_failure());
}
static void sc_init(struct device *dev)
{
int i;
@ -181,8 +174,6 @@ static void sc_init(struct device *dev)
/* Route SCI to IRQ9 */
write32(actl, (read32(actl) & ~SCIS_MASK) | SCIS_IRQ9);
sc_rtc_init();
if (config->disable_slp_x_stretch_sus_fail) {
printk(BIOS_DEBUG, "Disabling slp_x stretching.\n");
write32(gen_pmcon1,