mb/google/brya/var/crota: Enable VNN_1.05v_bypass rail
Some SKUs of crota have VNN 1.05v bypass rails for additional power savings in S0ix states. This patch uses FW_CONFIG to enable that feature when run on the applicable SKUs. BUG=b:233175019 BRANCH=none TEST=emerge-brya coreboot and verified pass Signed-off-by: Terry Chen <terry_chen@wistron.corp-partner.google.com> Change-Id: Iaade50f4fe821b7114b3e2d44bda0747816da11c Reviewed-on: https://review.coreboot.org/c/coreboot/+/65020 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Cyan Yang <cyan.yang@intel.corp-partner.google.com> Reviewed-by: YH Lin <yueherngl@google.com> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
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@ -9,3 +9,20 @@ const char *get_wifi_sar_cbfs_filename(void)
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{
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return "wifi_sar_0.hex";
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}
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void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
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{
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if (fw_config_probe(FW_CONFIG(DB_LTE, LTE_USB))) {
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config->ext_fivr_settings.configure_ext_fivr = 1;
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config->ext_fivr_settings.v1p05_enable_bitmap = FIVR_ENABLE_ALL_SX;
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config->ext_fivr_settings.vnn_enable_bitmap = FIVR_ENABLE_ALL_SX;
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config->ext_fivr_settings.v1p05_supported_voltage_bitmap = FIVR_VOLTAGE_NORMAL |
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FIVR_VOLTAGE_MIN_ACTIVE |
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FIVR_VOLTAGE_MIN_RETENTION;
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config->ext_fivr_settings.vnn_supported_voltage_bitmap = FIVR_VOLTAGE_NORMAL |
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FIVR_VOLTAGE_MIN_ACTIVE |
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FIVR_VOLTAGE_MIN_RETENTION;
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config->ext_fivr_settings.v1p05_icc_max_ma = 500;
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config->ext_fivr_settings.vnn_sx_voltage_mv = 1250;
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}
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}
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