mb/google/dedede/var/beadrix: Enable LTE function by FW_CONFIG option
Enable/disable LTE function based on LTE field of FW_CONFIG.
1. GPIO control
2. USB port setting
BUG=b:213582491
BRANCH=dedede
TEST=FW_NAME=beadrix emerge-dedede coreboot
Change-Id: Icea44992e2e3195d1fd9a888f5ce4650f82280bb
Signed-off-by: Teddy Shih <teddyshih@ami.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62801
Reviewed-by: Henry Sun <henrysun@google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/dedede/variants/beadrix/gpio.c b/src/mainboard/google/dedede/variants/beadrix/gpio.c
index 0732355..57573cc 100644
--- a/src/mainboard/google/dedede/variants/beadrix/gpio.c
+++ b/src/mainboard/google/dedede/variants/beadrix/gpio.c
@@ -2,6 +2,8 @@
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
+#include <bootstate.h>
+#include <fw_config.h>
/* Pad configuration in ramstage */
static const struct pad_config gpio_table[] = {
@@ -69,8 +71,21 @@
PAD_CFG_GPO(GPP_H17, 0, PLTRST),
};
+static const struct pad_config lte_disable_pads[] = {
+ PAD_NC(GPP_A10, NONE),
+ PAD_NC(GPP_D0, NONE),
+ PAD_NC(GPP_H17, NONE),
+};
+
const struct pad_config *variant_override_gpio_table(size_t *num)
{
*num = ARRAY_SIZE(gpio_table);
return gpio_table;
}
+
+static void fw_config_handle(void *unused)
+{
+ if (!fw_config_probe(FW_CONFIG(LTE, LTE_PRESENT)))
+ gpio_configure_pads(lte_disable_pads, ARRAY_SIZE(lte_disable_pads));
+}
+BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);
diff --git a/src/mainboard/google/dedede/variants/beadrix/overridetree.cb b/src/mainboard/google/dedede/variants/beadrix/overridetree.cb
index 7f2d62f..d5b37d4 100644
--- a/src/mainboard/google/dedede/variants/beadrix/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/beadrix/overridetree.cb
@@ -97,7 +97,9 @@
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
+ device usb 3.3 on
+ probe LTE LTE_PRESENT
+ end
end
end
end