Martin Roth has submitted this change. ( https://review.coreboot.org/c/coreboot/+/39446 )
Change subject: mb/google/dedede: Add BT Disable GPIO configuration ......................................................................
mb/google/dedede: Add BT Disable GPIO configuration
Disable the BT module in bootblock and enable it in ramstage. This allows for loading the BT firmware during reboot.
TEST=Build and boot the mainboard.
Signed-off-by: Karthikeyan Ramasubramanian kramasub@google.com Change-Id: I0406a68ffcab2675a1aedb212cb7c8508a5b61fc Reviewed-on: https://review.coreboot.org/c/coreboot/+/39446 Reviewed-by: Tim Wawrzynczak twawrzynczak@chromium.org Tested-by: build bot (Jenkins) no-reply@coreboot.org --- M src/mainboard/google/dedede/variants/baseboard/devicetree.cb M src/mainboard/google/dedede/variants/baseboard/gpio.c 2 files changed, 5 insertions(+), 1 deletion(-)
Approvals: build bot (Jenkins): Verified Tim Wawrzynczak: Looks good to me, approved
diff --git a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb index 994e96e..5a635b3 100644 --- a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb @@ -190,6 +190,7 @@ chip drivers/usb/acpi register "desc" = ""Bluetooth"" register "type" = "UPC_TYPE_INTERNAL" + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_H19)" device usb 2.4 on end end chip drivers/usb/acpi diff --git a/src/mainboard/google/dedede/variants/baseboard/gpio.c b/src/mainboard/google/dedede/variants/baseboard/gpio.c index fe903bd..20c7be9 100644 --- a/src/mainboard/google/dedede/variants/baseboard/gpio.c +++ b/src/mainboard/google/dedede/variants/baseboard/gpio.c @@ -328,7 +328,7 @@ /* H18 : WLAN_DISABLE_L */ PAD_NC(GPP_H18, NONE), /* H19 : BT_DISABLE_L */ - PAD_NC(GPP_H19, NONE), + PAD_CFG_GPO(GPP_H19, 1, DEEP),
/* R0 : I2S_HP_BCLK */ PAD_NC(GPP_R0, NONE), @@ -409,6 +409,9 @@ PAD_CFG_GPI(GPP_C4, NONE, DEEP), /* C5 : RAM_STRAP_3 */ PAD_CFG_GPI(GPP_C5, NONE, DEEP), + + /* H19 : BT_DISABLE_L */ + PAD_CFG_GPO(GPP_H19, 0, DEEP), };
const struct pad_config *__weak variant_gpio_table(size_t *num)