diff options
| author | Mac Chiang <mac.chiang@intel.com> | 2022-01-26 03:34:49 -0500 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-02-10 12:50:00 +0000 |
| commit | fd07fa20da14370846c41a3bada5dcc8eb9459f1 (patch) | |
| tree | 7cd5853a68097a52efcc30c503f9bd3d96fd346a /src/mainboard/google/brya/variants/brask | |
| parent | 1f6b7a273bd7bddb32d8a0e56ab5225110269b20 (diff) | |
mb/google/brya/variants/brask: Enable Bluetooth offload support
Add fw_config NAU88L25B_I2S field, I2S2 configuration and
enabling CnviBtAudioOffload UPD bit.
BUG=none
TEST=temerge-brask coreboot
Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Change-Id: Id5da8c5c471be176bc0fe1eda4da7faf8ed2e8d2
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61404
Reviewed-by: Zhuohao Lee <zhuohao@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/brya/variants/brask')
4 files changed, 64 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/brask/Makefile.inc b/src/mainboard/google/brya/variants/brask/Makefile.inc index bc39984d6c..c15531e21d 100644 --- a/src/mainboard/google/brya/variants/brask/Makefile.inc +++ b/src/mainboard/google/brya/variants/brask/Makefile.inc @@ -5,3 +5,6 @@ romstage-y += gpio.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/brask/fw_config.c b/src/mainboard/google/brya/variants/brask/fw_config.c new file mode 100644 index 0000000000..5302923cd2 --- /dev/null +++ b/src/mainboard/google/brya/variants/brask/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/brask/overridetree.cb b/src/mainboard/google/brya/variants/brask/overridetree.cb index 3aeca90d7f..66d450d3af 100644 --- a/src/mainboard/google/brya/variants/brask/overridetree.cb +++ b/src/mainboard/google/brya/variants/brask/overridetree.cb @@ -1,3 +1,10 @@ +fw_config + field AUDIO 0 2 + option AUDIO_UNKNOWN 0 + option NAU88L25B_I2S 1 + end +end + chip soc/intel/alderlake device domain 0 on device ref dtt on diff --git a/src/mainboard/google/brya/variants/brask/variant.c b/src/mainboard/google/brya/variants/brask/variant.c new file mode 100644 index 0000000000..8e3578c84b --- /dev/null +++ b/src/mainboard/google/brya/variants/brask/variant.c @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <chip.h> +#include <fw_config.h> +#include <baseboard/variants.h> + +void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config) +{ + config->CnviBtAudioOffload = fw_config_probe(FW_CONFIG(AUDIO, NAU88L25B_I2S)); +} |