diff options
| author | Casper Chang <casper_chang@wistron.corp-partner.google.com> | 2022-05-03 12:20:43 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-05-06 21:56:37 +0000 |
| commit | eb8bbb6c041b360b0a463c56b820ef372d1bac50 (patch) | |
| tree | 8cee35324d2daf7ec2d62a905daea284daf2fbcd /src | |
| parent | 1dfed8fe38ea03aecfd3fa24f0a373877a087ef1 (diff) | |
mb/google/brask/variants/moli: enable BT offload
Enable BT offload of NAU88L25B on Moli with fw_config NAU88L25B_I2S.
BUG=b:220814038
TEST=emerge-brask coreboot,
Check BT offload enabled in CPU log and audio works.
Signed-off-by: Casper Chang <casper_chang@wistron.corp-partner.google.com>
Change-Id: I72d91d2dafffa7d9604b7dd3d697cb3b2b04b152
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64020
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src')
4 files changed, 64 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/moli/Makefile.inc b/src/mainboard/google/brya/variants/moli/Makefile.inc index f5c589792d..b799b4d7b8 100644 --- a/src/mainboard/google/brya/variants/moli/Makefile.inc +++ b/src/mainboard/google/brya/variants/moli/Makefile.inc @@ -5,3 +5,6 @@ romstage-y += memory.c ramstage-y += gpio.c ramstage-y += ramstage.c + +ramstage-$(CONFIG_FW_CONFIG) += fw_config.c +ramstage-$(CONFIG_FW_CONFIG) += variant.c diff --git a/src/mainboard/google/brya/variants/moli/fw_config.c b/src/mainboard/google/brya/variants/moli/fw_config.c new file mode 100644 index 0000000000..5302923cd2 --- /dev/null +++ b/src/mainboard/google/brya/variants/moli/fw_config.c @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <bootstate.h> +#include <console/console.h> +#include <fw_config.h> +#include <gpio.h> + +static const struct pad_config bt_i2s_enable_pads[] = { + PAD_CFG_NF(GPP_VGPIO_30, NONE, DEEP, NF3), /* BT_I2S_BCLK */ + PAD_CFG_NF(GPP_VGPIO_31, NONE, DEEP, NF3), /* BT_I2S_SYNC */ + PAD_CFG_NF(GPP_VGPIO_32, NONE, DEEP, NF3), /* BT_I2S_SDO */ + PAD_CFG_NF(GPP_VGPIO_33, NONE, DEEP, NF3), /* BT_I2S_SDI */ + PAD_CFG_NF(GPP_VGPIO_34, NONE, DEEP, NF1), /* SSP2_SCLK */ + PAD_CFG_NF(GPP_VGPIO_35, NONE, DEEP, NF1), /* SSP2_SFRM */ + PAD_CFG_NF(GPP_VGPIO_36, NONE, DEEP, NF1), /* SSP_TXD */ + PAD_CFG_NF(GPP_VGPIO_37, NONE, DEEP, NF1), /* SSP_RXD */ +}; + +static const struct pad_config bt_i2s_disable_pads[] = { + PAD_NC(GPP_VGPIO_30, NONE), + PAD_NC(GPP_VGPIO_31, NONE), + PAD_NC(GPP_VGPIO_32, NONE), + PAD_NC(GPP_VGPIO_33, NONE), + PAD_NC(GPP_VGPIO_34, NONE), + PAD_NC(GPP_VGPIO_35, NONE), + PAD_NC(GPP_VGPIO_36, NONE), + PAD_NC(GPP_VGPIO_37, NONE), +}; + +static void fw_config_handle(void *unused) +{ + if (!fw_config_is_provisioned() || fw_config_probe(FW_CONFIG(AUDIO, AUDIO_UNKNOWN))) { + printk(BIOS_INFO, "Disable BT offload audio related GPIO pins.\n"); + gpio_configure_pads(bt_i2s_disable_pads, ARRAY_SIZE(bt_i2s_disable_pads)); + return; + } + + if (fw_config_probe(FW_CONFIG(AUDIO, NAU88L25B_I2S))) { + printk(BIOS_INFO, "BT offload enabled over I2S with NAU88L25B\n"); + gpio_configure_pads(bt_i2s_enable_pads, ARRAY_SIZE(bt_i2s_enable_pads)); + } + +} +BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL); diff --git a/src/mainboard/google/brya/variants/moli/overridetree.cb b/src/mainboard/google/brya/variants/moli/overridetree.cb index 07839992b4..e23107936e 100644 --- a/src/mainboard/google/brya/variants/moli/overridetree.cb +++ b/src/mainboard/google/brya/variants/moli/overridetree.cb @@ -9,6 +9,10 @@ fw_config option STORAGE_NVME 1 option STORAGE_EMMC 2 end + field AUDIO 6 + option AUDIO_UNKNOWN 0 + option NAU88L25B_I2S 1 + end end chip soc/intel/alderlake # Enable HDMI2 in PortA, HDMI1 in PortB, HDMI/DP in Port2 diff --git a/src/mainboard/google/brya/variants/moli/variant.c b/src/mainboard/google/brya/variants/moli/variant.c new file mode 100644 index 0000000000..951bfe5365 --- /dev/null +++ b/src/mainboard/google/brya/variants/moli/variant.c @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <chip.h> +#include <fw_config.h> +#include <baseboard/variants.h> +#include <variant/gpio.h> +#include <acpi/acpigen.h> + +void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config) +{ + config->cnvi_bt_audio_offload = fw_config_probe(FW_CONFIG(AUDIO, + NAU88L25B_I2S)); +} |