diff options
author | Rob Barnes <robbarnes@google.com> | 2020-07-23 14:21:23 -0600 |
---|---|---|
committer | Patrick Georgi <pgeorgi@google.com> | 2020-07-28 19:28:30 +0000 |
commit | 56e889cedb824cae3590806be48e687dad3d9ac5 (patch) | |
tree | 1f9483e552396dc102a2d50fe52c0e78d1aa65ae /src/mainboard/google/zork/variants/baseboard/ramstage_common.c | |
parent | a223e65db2e9d4c82bb8aac29281500b8e645a97 (diff) |
mb/google/zork: Add Bluetooth reset gpios to devicetree
Add bluetooth reset gpio 143 to dalboz baseboard devicetree
Add bluetooth reset gpio 14 to trembyle baseboard devicetree
Remove bluetooth reset_gpio when not supported on a specific board
variant.
BUG=b:157580724
TEST=Boot Ezkinil with Realtek 8822CE, observe log
[ 12.240720] Bluetooth: af_bluetooth.c:bt_init() HCI device and connection manager initialized
[ 12.249272] Bluetooth: hci_sock.c:hci_sock_init() HCI socket layer initialized
[ 12.256520] Bluetooth: l2cap_sock.c:l2cap_init_sockets() L2CAP socket layer initialized
[ 12.264575] Bluetooth: sco.c:sco_init() SCO socket layer initialized
[ 12.273700] usb 3-2: GPIO lookup for consumer reset
[ 12.273702] usb 3-2: using ACPI for GPIO lookup
[ 12.273705] acpi device:18: GPIO: looking up reset-gpios
[ 12.273707] acpi device:18: GPIO: looking up reset-gpio
[ 12.273711] acpi device:18: GPIO: _DSD returned device:18 0 0 0
[ 12.273737] gpio gpiochip0: Persistence not supported for GPIO 14
[ 12.273960] usbcore: registered new interface driver btusb
Change-Id: I14e3ef099d5b8f48c915b41284039b3508dec975
Signed-off-by: Rob Barnes <robbarnes@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42832
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/mainboard/google/zork/variants/baseboard/ramstage_common.c')
-rw-r--r-- | src/mainboard/google/zork/variants/baseboard/ramstage_common.c | 88 |
1 files changed, 88 insertions, 0 deletions
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(); +} |