From 136e0cbbc139356e39d7f0457dd05cac1ee5183f Mon Sep 17 00:00:00 2001 From: Karthikeyan Ramasubramanian Date: Tue, 10 Mar 2020 22:00:24 -0600 Subject: 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 Change-Id: I0406a68ffcab2675a1aedb212cb7c8508a5b61fc Reviewed-on: https://review.coreboot.org/c/coreboot/+/39446 Reviewed-by: Tim Wawrzynczak Tested-by: build bot (Jenkins) --- src/mainboard/google/dedede/variants/baseboard/devicetree.cb | 1 + src/mainboard/google/dedede/variants/baseboard/gpio.c | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb index 994e96e489..5a635b32c3 100644 --- a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb @@ -190,6 +190,7 @@ chip soc/intel/tigerlake 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 fe903bd934..20c7be9123 100644 --- a/src/mainboard/google/dedede/variants/baseboard/gpio.c +++ b/src/mainboard/google/dedede/variants/baseboard/gpio.c @@ -328,7 +328,7 @@ static const struct pad_config gpio_table[] = { /* 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 @@ static const struct pad_config early_gpio_table[] = { 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) -- cgit v1.2.3