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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 <dtrain_hsu@compal.corp-partner.google.com>
Change-Id: Ib926e99aaf9df433a7cff71180ee55431d69f718
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54057
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
This commit is contained in:
Dtrain Hsu 2021-05-11 17:50:42 +08:00 committed by Patrick Georgi
parent 2b97ea153a
commit 1e0f77fa03
3 changed files with 25 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/mainboard/google/dedede/variants/baseboard/devicetree.cb
View File

@ -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

15
src/mainboard/google/dedede/variants/cret/gpio.c
View File

@ -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 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);

8
src/mainboard/google/dedede/variants/cret/overridetree.cb
View File

@ -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