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mb/google/skyrim/var/skyrim: Add USB WWAN configuration

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Add Fibcom FM101-GL USB WWAN configuration with the required power
sequence as suggested in Fibocom FM101-GL Hardware Guide V1.0.

BUG=b:227761300
TEST=Build and boot to OS in Skyrim. Ensure that the WWAN module is
enumerated in the output of lsusb.
localhost ~ # lsusb
Bus 004 Device 003: ID 2cb7:01a2 Fibocom Wireless Inc. Fibocom FM101-GL Module

Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Change-Id: I39f8e7204e31d9a4d093aacd838a18e6d2f44970
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64004
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Jon Murphy <jpmurphy@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Karthikeyan Ramasubramanian 2022-05-02 13:38:23 -06:00 committed by Tim Wawrzynczak
parent d52adc4a87
commit a2bba5b5f1
2 changed files with 18 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/mainboard/google/skyrim/variants/baseboard/gpio.c
View File

@ -24,7 +24,7 @@ static const struct soc_amd_gpio base_gpio_table[] = {
/* WLAN_AUX_RST_L */
PAD_GPO(GPIO_7, HIGH),
/* EN_PWR_WWAN_X */
PAD_GPO(GPIO_8, HIGH),
PAD_GPO(GPIO_8, LOW),
/* EN_PP3300_WLAN */
PAD_GPO(GPIO_9, HIGH),
/* BT_DISABLE */

17
src/mainboard/google/skyrim/variants/skyrim/overridetree.cb
View File

@ -45,6 +45,17 @@ chip soc/amd/sabrina
register "group" = "ACPI_PLD_GROUP(2, 2)"
device usb 3.0 on end
end
chip drivers/usb/acpi
register "desc" = ""WWAN""
register "type" = "UPC_TYPE_INTERNAL"
register "group" = "ACPI_PLD_GROUP(2, 2)"
register "has_power_resource" = "1"
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_42)"
register "reset_off_delay_ms" = "20"
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_8)"
register "enable_delay_ms" = "20"
device usb 3.1 on end
end
end # VL822 USB3 hub
end
end # USB 3.1 port3
@ -62,6 +73,12 @@ chip soc/amd/sabrina
register "group" = "ACPI_PLD_GROUP(2, 2)"
device usb 2.0 on end
end
chip drivers/usb/acpi
register "desc" = ""WWAN""
register "type" = "UPC_TYPE_INTERNAL"
register "group" = "ACPI_PLD_GROUP(2, 2)"
device usb 2.1 on end
end
end # VL822 USB2 hub
end
end # USB 2 port3