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mb/google/nissa/var/pujjo: Add WWAN_5G power on sequence 

Pujjoteen5 support WWAN 5G device, use variant.c to handle the
power on sequence.

BUG=b:279835626
TEST=Build and check WWAN 5G power on sequence.

Signed-off-by: Leo Chou <leo.chou@lcfc.corp-partner.google.com>
Change-Id: I7dc72f2c705bcb41745f4bf08bef286773fe8b13
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75327
Reviewed-by: Derek Huang <derekhuang@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Leo Chou 2023-05-19 11:42:55 +08:00 committed by Felix Held
parent efe035183a
commit 4d002f356e
2 changed files with 33 additions and 2 deletions
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4
src/mainboard/google/brya/variants/pujjo/gpio.c
View File

@ -49,11 +49,11 @@ static const struct pad_config override_5g_gpio_table[] = {
/* D17 : NC ==> SD_WAKE_N */
PAD_CFG_GPI_LOCK(GPP_D17, NONE, LOCK_CONFIG),
/* F12 : WWAN_RST_L */
PAD_CFG_GPO_LOCK(GPP_F12, 1, LOCK_CONFIG),
PAD_CFG_GPO(GPP_F12, 0, DEEP),
/* H19 : SOC_I2C_SUB_INT_ODL */
PAD_CFG_GPI_APIC(GPP_H19, NONE, PLTRST, LEVEL, NONE),
/* H21 : WCAM_MCLK_R ==> WWAN_PERST_L */
PAD_CFG_GPO(GPP_H21, 1, DEEP),
PAD_CFG_GPO(GPP_H21, 0, DEEP),
/* H22 : WCAM_MCLK_R ==> NC */
PAD_NC(GPP_H22, NONE),
/* H23 : WWAN_SAR_DETECT_ODL */

31
src/mainboard/google/brya/variants/pujjo/variant.c
View File

@ -2,7 +2,21 @@
#include <fw_config.h>
#include <baseboard/variants.h>
#include <baseboard/gpio.h>
#include <sar.h>
#include <delay.h>
#define FM350_RST_DEALY_MS 20
#define FM350_PERST_DEALY_MS 30
static const struct pad_config fm350_rst_pad[] = {
/* F12 : WWAN_RST_L */
PAD_CFG_GPO_LOCK(GPP_F12, 1, LOCK_CONFIG),
};
static const struct pad_config fm350_perst_pad[] = {
/* H21 : WWAN_PERST */
PAD_CFG_GPO(GPP_H21, 1, DEEP),
};
void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
{
@ -37,3 +51,20 @@ const char *get_wifi_sar_cbfs_filename(void)
{
return get_wifi_sar_fw_config_filename(FW_CONFIG_FIELD(WIFI_SAR_ID));
}
void variant_init(void)
{
if (fw_config_probe(FW_CONFIG(WWAN_5G, WWAN_5G_PRESENT))) {
/*
* FM350 power on seuqence:
* De-assert WWAN_EN -> 20ms -> de-assert WWAN_RST -> 30ms ->
* de-assert WWAN_PERST
* WWAN_EN is de-asserted in ramstage gpio configuration, de-assert
* WWAN_RST and WWAN_PERST here.
*/
mdelay(FM350_RST_DEALY_MS);
gpio_configure_pads(fm350_rst_pad, ARRAY_SIZE(fm350_rst_pad));
mdelay(FM350_PERST_DEALY_MS);
gpio_configure_pads(fm350_perst_pad, ARRAY_SIZE(fm350_perst_pad));
}
}