mb/google,intel: Use common ChromeEC code for lid shutdown

Change-Id: I4d34e5c094440dad4a6ab9adc67d3da6b71ac2bf
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74514
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
This commit is contained in:
Kyösti Mälkki
2023-01-05 15:39:16 +02:00
parent 923b8ec180
commit 83faa5d804
10 changed files with 56 additions and 177 deletions

View File

@@ -1,14 +1,12 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
#include <arch/io.h>
#include <console/console.h>
#include <cpu/x86/smm.h>
#include "ec.h"
#include <ec/google/chromeec/ec.h>
#include <ec/google/chromeec/smm.h>
#include <elog.h>
#include <soc/nvs.h>
#include <soc/pm.h>
@@ -19,41 +17,14 @@
/* The wake gpio is SUS_GPIO[0]. */
#define WAKE_GPIO_EN SUS_GPIO_EN0
static uint8_t mainboard_smi_ec(void)
{
uint8_t cmd = google_chromeec_get_event();
uint16_t pmbase = get_pmbase();
uint32_t pm1_cnt;
/* Log this event */
if (cmd)
elog_gsmi_add_event_byte(ELOG_TYPE_EC_EVENT, cmd);
switch (cmd) {
case EC_HOST_EVENT_LID_CLOSED:
printk(BIOS_DEBUG, "LID CLOSED, SHUTDOWN\n");
/* Go to S5 */
pm1_cnt = inl(pmbase + PM1_CNT);
pm1_cnt |= SLP_EN | (SLP_TYP_S5 << SLP_TYP_SHIFT);
outl(pm1_cnt, pmbase + PM1_CNT);
break;
}
return cmd;
}
/*
* The entire 32-bit ALT_GPIO_SMI register is passed as a parameter. Note, that
* this includes the enable bits in the lower 16 bits.
*/
void mainboard_smi_gpi(uint32_t alt_gpio_smi)
{
if (alt_gpio_smi & (1 << EC_SMI_GPI)) {
/* Process all pending events */
while (mainboard_smi_ec() != 0)
;
}
if (alt_gpio_smi & (1 << EC_SMI_GPI))
chromeec_smi_process_events();
}
void mainboard_smi_sleep(uint8_t slp_typ)