From 5aabdf6e12d9fdab614597845e594b0a1b7e3a1b Mon Sep 17 00:00:00 2001
From: Leo Chou <leo.chou@lcfc.corp-partner.google.com>
Date: Thu, 8 Dec 2022 15:30:32 +0800
Subject: mb/google/nissa/var/pujjo: Add wifi sar table

Add wifi sar table for pujjo intel wifi config.
Use fw_config to separate different project settings.

BUG=b:256042825,b:256042769
Test=emerge-nissa coreboot

Signed-off-by: Leo Chou <leo.chou@lcfc.corp-partner.google.com>
Change-Id: Ibdbe1c0a477e47af9cbbc9bf73ac583d06ad7a0d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70480
Reviewed-by: Reka Norman <rekanorman@chromium.org>
Reviewed-by: Kangheui Won <khwon@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
---
 src/mainboard/google/brya/Kconfig.name             |  1 +
 .../google/brya/variants/pujjo/overridetree.cb     |  5 +++++
 src/mainboard/google/brya/variants/pujjo/variant.c | 22 ++++++++++++++++++++++
 3 files changed, 28 insertions(+)

(limited to 'src')

diff --git a/src/mainboard/google/brya/Kconfig.name b/src/mainboard/google/brya/Kconfig.name
index 48e511df0c..e141933091 100644
--- a/src/mainboard/google/brya/Kconfig.name
+++ b/src/mainboard/google/brya/Kconfig.name
@@ -264,6 +264,7 @@ config BOARD_GOOGLE_PUJJO
 	select DRIVERS_I2C_SX9324
 	select DRIVERS_I2C_SX9324_SUPPORT_LEGACY_LINUX_DRIVER
 	select HAVE_WWAN_POWER_SEQUENCE
+	select CHROMEOS_WIFI_SAR if CHROMEOS
 
 config BOARD_GOOGLE_XIVU
 	bool "->  Xivu"
diff --git a/src/mainboard/google/brya/variants/pujjo/overridetree.cb b/src/mainboard/google/brya/variants/pujjo/overridetree.cb
index acba86ee7d..ade32f0ad3 100644
--- a/src/mainboard/google/brya/variants/pujjo/overridetree.cb
+++ b/src/mainboard/google/brya/variants/pujjo/overridetree.cb
@@ -30,6 +30,11 @@ fw_config
 		option EXT_VR_PRESENT		0
 		option EXT_VR_ABSENT		1
 	end
+	field WIFI_SAR_ID 16 17
+		option WIFI_SAR_TABLE_0		0
+		option WIFI_SAR_TABLE_1		1
+		option WIFI_SAR_TABLE_2		2
+	end
 
 end
 
diff --git a/src/mainboard/google/brya/variants/pujjo/variant.c b/src/mainboard/google/brya/variants/pujjo/variant.c
index a09bba90f8..75eb0c24a0 100644
--- a/src/mainboard/google/brya/variants/pujjo/variant.c
+++ b/src/mainboard/google/brya/variants/pujjo/variant.c
@@ -2,6 +2,7 @@
 
 #include <fw_config.h>
 #include <baseboard/variants.h>
+#include <sar.h>
 
 void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
 {
@@ -31,3 +32,24 @@ void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
 		config->ext_fivr_settings.vnn_icc_max_ma = 500;
 	}
 }
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	if (fw_config_probe(FW_CONFIG(WIFI_SAR_ID, WIFI_SAR_TABLE_0))) {
+		printk(BIOS_INFO, "Use wifi_sar_0.hex.\n");
+		return "wifi_sar_0.hex";
+	}
+
+	else if (fw_config_probe(FW_CONFIG(WIFI_SAR_ID, WIFI_SAR_TABLE_1))) {
+		printk(BIOS_INFO, "Use wifi_sar_1.hex.\n");
+		return "wifi_sar_1.hex";
+	}
+
+	else if (fw_config_probe(FW_CONFIG(WIFI_SAR_ID, WIFI_SAR_TABLE_2))) {
+		printk(BIOS_INFO, "Use wifi_sar_2.hex.\n");
+		return "wifi_sar_2.hex";
+	}
+
+	printk(BIOS_INFO, "Intel Wi-Fi SAR not used, return NULL!\n");
+	return NULL;
+}
-- 
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