diff options
Diffstat (limited to 'src/mainboard/google')
5 files changed, 94 insertions, 0 deletions
diff --git a/src/mainboard/google/zork/mainboard.c b/src/mainboard/google/zork/mainboard.c index 1ce87a5611..1e4ea06542 100644 --- a/src/mainboard/google/zork/mainboard.c +++ b/src/mainboard/google/zork/mainboard.c @@ -135,6 +135,7 @@ static void mainboard_configure_gpios(void) static void mainboard_devtree_update(void) { variant_audio_update(); + variant_bluetooth_update(); variant_devtree_update(); } diff --git a/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb b/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb index 0b3c1f19b9..e2d9183311 100644 --- a/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb +++ b/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb @@ -235,6 +235,7 @@ chip soc/amd/picasso chip drivers/usb/acpi register "desc" = ""Bluetooth"" register "type" = "UPC_TYPE_INTERNAL" + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_143)" device usb 2.5 on end end chip drivers/usb/acpi diff --git a/src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb b/src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb index 787f00b013..bbef7027d5 100644 --- a/src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb +++ b/src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb @@ -263,6 +263,7 @@ chip soc/amd/picasso chip drivers/usb/acpi register "desc" = ""Bluetooth"" register "type" = "UPC_TYPE_INTERNAL" + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_14)" device usb 2.5 on end end end @@ -282,6 +283,7 @@ chip soc/amd/picasso chip drivers/usb/acpi register "desc" = ""Bluetooth"" register "type" = "UPC_TYPE_INTERNAL" + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_14)" device usb 2.1 on end end chip drivers/usb/acpi diff --git a/src/mainboard/google/zork/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/zork/variants/baseboard/include/baseboard/variants.h index aa1a3c8cf4..6b9bbfd3bc 100644 --- a/src/mainboard/google/zork/variants/baseboard/include/baseboard/variants.h +++ b/src/mainboard/google/zork/variants/baseboard/include/baseboard/variants.h @@ -35,6 +35,8 @@ const struct soc_amd_gpio *variant_sleep_gpio_table(size_t *size, int slp_typ); void variant_devtree_update(void); /* Update audio configuration in devicetree during ramstage. */ void variant_audio_update(void); +/* Update bluetooth configuration in devicetree during ramstage. */ +void variant_bluetooth_update(void); /* Configure PCIe GPIOs as per variant sequencing requirements. */ void variant_pcie_gpio_configure(void); diff --git a/src/mainboard/google/zork/variants/baseboard/ramstage_common.c b/src/mainboard/google/zork/variants/baseboard/ramstage_common.c index 511d60d0b8..b2c5830d10 100644 --- a/src/mainboard/google/zork/variants/baseboard/ramstage_common.c +++ b/src/mainboard/google/zork/variants/baseboard/ramstage_common.c @@ -2,7 +2,10 @@ #include <acpi/acpi_device.h> #include <baseboard/variants.h> +#include <console/console.h> +#include <device/device.h> #include <drivers/amd/i2s_machine_dev/chip.h> +#include <drivers/usb/acpi/chip.h> #include <ec/google/chromeec/ec.h> #include <soc/gpio.h> #include <soc/pci_devs.h> @@ -47,3 +50,88 @@ void variant_audio_update(void) break; } } + +static const struct device_path xhci0_bt_path[] = { + { + .type = DEVICE_PATH_PCI, + .pci.devfn = PCIE_GPP_A_DEVFN + }, + { + .type = DEVICE_PATH_PCI, + .pci.devfn = XHCI0_DEVFN + }, + { + .type = DEVICE_PATH_USB, + .usb.port_type = 0, + .usb.port_id = 0 + }, + { + .type = DEVICE_PATH_USB, + .usb.port_type = 2, + .usb.port_id = 5 + } +}; + +static const struct device_path xhci1_bt_path[] = { + { + .type = DEVICE_PATH_PCI, + .pci.devfn = PCIE_GPP_A_DEVFN + }, + { + .type = DEVICE_PATH_PCI, + .pci.devfn = XHCI1_DEVFN + }, + { + .type = DEVICE_PATH_USB, + .usb.port_type = 0, + .usb.port_id = 0 + }, + { + .type = DEVICE_PATH_USB, + .usb.port_type = 2, + .usb.port_id = 1 + } +}; + +/* + * Removes reset_gpio from bluetooth device in device tree. + * + * The bluetooth device may be on XHCI0 or XHCI1 depending on SOC. + * There's no harm in removing from both here. + */ +static void baseboard_remove_bluetooth_reset_gpio(void) +{ + const struct device *xhci0_bt_dev, *xhci1_bt_dev; + struct drivers_usb_acpi_config *xhci0_bt_cfg, *xhci1_bt_cfg; + + xhci0_bt_dev = find_dev_nested_path( + pci_root_bus(), xhci0_bt_path, ARRAY_SIZE(xhci0_bt_path)); + if (!xhci0_bt_dev) { + printk(BIOS_ERR, "%s: Failed to find bluetooth device on XHCI0!", __func__); + return; + } + /* config_of dies on failure, so a NULL check is not required */ + xhci0_bt_cfg = config_of(xhci0_bt_dev); + xhci0_bt_cfg->reset_gpio.pin_count = 0; + + /* There's no bluetooth device on XHCI1 on Dalboz */ + if (CONFIG(BOARD_GOOGLE_BASEBOARD_DALBOZ)) + return; + + xhci1_bt_dev = find_dev_nested_path( + pci_root_bus(), xhci1_bt_path, ARRAY_SIZE(xhci1_bt_path)); + if (!xhci1_bt_dev) { + printk(BIOS_ERR, "%s: Failed to find bluetooth device on XHCI1!", __func__); + return; + } + xhci1_bt_cfg = config_of(xhci1_bt_dev); + xhci1_bt_cfg->reset_gpio.pin_count = 0; +} + +void variant_bluetooth_update(void) +{ + if (CONFIG(BOARD_GOOGLE_BASEBOARD_DALBOZ) || variant_uses_v3_schematics()) + return; + + baseboard_remove_bluetooth_reset_gpio(); +} |