diff options
| author | Seunghwan Kim <sh_.kim@samsung.corp-partner.google.com> | 2021-01-06 17:26:35 +0900 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-01-19 09:05:35 +0000 |
| commit | 14d0a6a982d4d53705355ad31d0eeb960d33194c (patch) | |
| tree | c3e4f56881930d7d6a6c224a07ffcfc0423e4756 /src/mainboard | |
| parent | 5aa09de155779a22d24759c97eb4ae8bcf6d7eb7 (diff) | |
mb/google/dedede/var/sasuke: Add LTE modem support
This change enables LTE modem for sasuke.
- Add LTE modem device into devicetree
- Add GPIO control for LTE modem power on and off
BUG=177177967
TEST=Built and verified modem device existence with lsusb
Change-Id: I34ba8ab00b73f24d1786ab014e9981b172a63a27
Signed-off-by: Seunghwan Kim <sh_.kim@samsung.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49163
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
4 files changed, 43 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/sasuke/Makefile.inc b/src/mainboard/google/dedede/variants/sasuke/Makefile.inc index eb2c9bc021..fd60a18b69 100644 --- a/src/mainboard/google/dedede/variants/sasuke/Makefile.inc +++ b/src/mainboard/google/dedede/variants/sasuke/Makefile.inc @@ -1,3 +1,5 @@ ## SPDX-License-Identifier: GPL-2.0-or-later ramstage-y += gpio.c + +smm-y += variant.c diff --git a/src/mainboard/google/dedede/variants/sasuke/gpio.c b/src/mainboard/google/dedede/variants/sasuke/gpio.c index cdce7764e1..3654973bd7 100644 --- a/src/mainboard/google/dedede/variants/sasuke/gpio.c +++ b/src/mainboard/google/dedede/variants/sasuke/gpio.c @@ -5,9 +5,13 @@ /* Pad configuration in ramstage*/ static const struct pad_config gpio_table[] = { + /* A10 : WWAN_EN */ + PAD_CFG_GPO(GPP_A10, 0, PLTRST), /* A11 : TOUCH_RPT_EN ==> NC */ PAD_NC(GPP_A11, NONE), + /* B7 : PCIE_CLKREQ2_N ==> WWAN_SAR_DETECT_ODL*/ + PAD_CFG_GPI_IRQ_WAKE(GPP_B7, NONE, DEEP, LEVEL, INVERT), /* B8 : WLAN_CLKREQ_ODL ==> NC */ PAD_NC(GPP_B8, NONE), @@ -16,6 +20,8 @@ static const struct pad_config gpio_table[] = { /* C19 : AP_I2C_EMR_SCL ==> NC */ PAD_NC(GPP_C19, NONE), + /* D0 : WWAN_HOST_WAKE ==> WWAN_WDISABLE_L */ + PAD_CFG_GPO(GPP_D0, 1, DEEP), /* D1 : WLAN_PERST_L ==> NC */ PAD_NC(GPP_D1, NONE), /* D3 : WLAN_PCIE_WAKE_ODL ==> NC */ @@ -53,6 +59,8 @@ static const struct pad_config gpio_table[] = { PAD_NC(GPP_H6, NONE), /* H7 : AP_I2C_CAM_SCL ==> NC */ PAD_NC(GPP_H7, NONE), + /* H17 : WWAN_RST_L */ + PAD_CFG_GPO(GPP_H17, 1, PLTRST), /* S2 : DMIC1_CLK ==> NC */ PAD_NC(GPP_S2, NONE), diff --git a/src/mainboard/google/dedede/variants/sasuke/overridetree.cb b/src/mainboard/google/dedede/variants/sasuke/overridetree.cb index 57cfbc7c4f..48a8e603ef 100644 --- a/src/mainboard/google/dedede/variants/sasuke/overridetree.cb +++ b/src/mainboard/google/dedede/variants/sasuke/overridetree.cb @@ -97,6 +97,16 @@ chip soc/intel/jasperlake register "enable_delay_ms" = "20" device usb 2.5 on end end + chip drivers/usb/acpi + register "desc" = ""LTE"" + register "type" = "UPC_TYPE_INTERNAL" + register "has_power_resource" = "1" + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_H17)" + register "reset_off_delay_ms" = "20" + register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A10)" + register "enable_delay_ms" = "20" + device usb 3.3 on end + end end end end # USB xHCI diff --git a/src/mainboard/google/dedede/variants/sasuke/variant.c b/src/mainboard/google/dedede/variants/sasuke/variant.c new file mode 100644 index 0000000000..22caa069d3 --- /dev/null +++ b/src/mainboard/google/dedede/variants/sasuke/variant.c @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include <acpi/acpi.h> +#include <baseboard/variants.h> +#include <delay.h> +#include <gpio.h> + +static void power_off_lte_module(void) +{ + gpio_output(GPP_H17, 0); + mdelay(20); + gpio_output(GPP_A10, 0); +} + +void variant_smi_sleep(u8 slp_typ) +{ + /* + * Once the FW_CONFIG is provisioned, power off LTE module only under + * the situation where it is stuffed. + */ + if (slp_typ == ACPI_S5) + power_off_lte_module(); +} |