From 1e0f77fa03f286d49fbbdfaa51f6f9e2b253b737 Mon Sep 17 00:00:00 2001 From: Dtrain Hsu Date: Tue, 11 May 2021 17:50:42 +0800 Subject: mb/google/dedede/var/cret: Enable/disable LTE function based on FW_CONFIG Enable/disable LTE function based on LTE bit of FW_CONFIG. The LTE function settings are included GPIO settings, USB port settings and power off sequence. BUG=b:187797408 BRANCH=dedede TEST=Build and test the change on cret. Signed-off-by: Dtrain Hsu Change-Id: Ib926e99aaf9df433a7cff71180ee55431d69f718 Reviewed-on: https://review.coreboot.org/c/coreboot/+/54057 Tested-by: build bot (Jenkins) Reviewed-by: Karthik Ramasubramanian --- .../google/dedede/variants/baseboard/devicetree.cb | 4 ++++ src/mainboard/google/dedede/variants/cret/gpio.c | 15 +++++++++++++++ src/mainboard/google/dedede/variants/cret/overridetree.cb | 8 ++++++-- 3 files changed, 25 insertions(+), 2 deletions(-) (limited to 'src/mainboard/google/dedede') diff --git a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb index f33995c66b..954e573f85 100644 --- a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb @@ -17,6 +17,10 @@ fw_config option RT1015_I2C 2 option RT1015P_AUTO 3 end + field LTE 11 + option LTE_ABSENT 0 + option LTE_PRESENT 1 + end end chip soc/intel/jasperlake diff --git a/src/mainboard/google/dedede/variants/cret/gpio.c b/src/mainboard/google/dedede/variants/cret/gpio.c index 3dd15efaa8..5acef69648 100644 --- a/src/mainboard/google/dedede/variants/cret/gpio.c +++ b/src/mainboard/google/dedede/variants/cret/gpio.c @@ -2,6 +2,8 @@ #include #include +#include +#include /* Pad configuration in ramstage */ static const struct pad_config override_gpio_table[] = { @@ -59,8 +61,21 @@ static const struct pad_config override_gpio_table[] = { PAD_NC(GPP_G7, NONE), }; +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(override_gpio_table); return override_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/cret/overridetree.cb b/src/mainboard/google/dedede/variants/cret/overridetree.cb index 512a956f59..258632204b 100644 --- a/src/mainboard/google/dedede/variants/cret/overridetree.cb +++ b/src/mainboard/google/dedede/variants/cret/overridetree.cb @@ -57,7 +57,9 @@ chip soc/intel/jasperlake chip drivers/usb/acpi register "desc" = ""LTE"" register "type" = "UPC_TYPE_INTERNAL" - device usb 2.3 on end + device usb 2.3 on + probe LTE LTE_PRESENT + end end chip drivers/usb/acpi register "desc" = ""Camera (UFC)"" @@ -82,7 +84,9 @@ chip soc/intel/jasperlake 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 -- cgit v1.2.3