[S] Change in coreboot[master]: mb/google/nissa/var/craask: Add wifi sar table

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/68660 )

Change subject: mb/google/nissa/var/craask: Add wifi sar table
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mb/google/nissa/var/craask: Add wifi sar table

Add wifi sar table for craask/craaskbowl.
Use fw_config to separate different project settings.

BUG=b:247652032,b:251287099,b:251287101
Test=emerge-nissa coreboot

Signed-off-by: Tyler Wang 
Change-Id: I5c92f0ab53ece12a97068f09241e5298909116aa
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68660
Tested-by: build bot (Jenkins) 
Reviewed-by: Reka Norman 
Reviewed-by: Eric Lai 
---
M src/mainboard/google/brya/Kconfig.name
M src/mainboard/google/brya/variants/craask/Makefile.inc
M src/mainboard/google/brya/variants/craask/overridetree.cb
A src/mainboard/google/brya/variants/craask/variant.c
4 files changed, 45 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Reka Norman: Looks good to me, approved
  Eric Lai: Looks good to me, approved

diff --git a/src/mainboard/google/brya/Kconfig.name b/src/mainboard/google/brya/Kconfig.name
index 3c755c6..2102961 100644
--- a/src/mainboard/google/brya/Kconfig.name
+++ b/src/mainboard/google/brya/Kconfig.name
@@ -226,6 +226,7 @@
    select DRIVERS_GENESYSLOGIC_GL9750
    select DRIVERS_INTEL_MIPI_CAMERA
    select HAVE_WWAN_POWER_SEQUENCE
+	select CHROMEOS_WIFI_SAR if CHROMEOS

config BOARD_GOOGLE_OSIRIS
    bool "->  Osiris"
diff --git a/src/mainboard/google/brya/variants/craask/Makefile.inc b/src/mainboard/google/brya/variants/craask/Makefile.inc
index 8ae0e3b..86ba20d 100644
--- a/src/mainboard/google/brya/variants/craask/Makefile.inc
+++ b/src/mainboard/google/brya/variants/craask/Makefile.inc
@@ -4,4 +4,5 @@
 romstage-y += gpio.c

ramstage-$(CONFIG_FW_CONFIG) += fw_config.c
+ramstage-$(CONFIG_FW_CONFIG) += variant.c
 ramstage-y += gpio.c
diff --git a/src/mainboard/google/brya/variants/craask/overridetree.cb b/src/mainboard/google/brya/variants/craask/overridetree.cb
index ebf8c30..fa79d8b 100644
--- a/src/mainboard/google/brya/variants/craask/overridetree.cb
+++ b/src/mainboard/google/brya/variants/craask/overridetree.cb
@@ -20,6 +20,10 @@
    field AMP 6 7
    	option AMP_MX98360A		0
    end
+	field WIFI_SAR_ID 13 15
+		option ID_0			0
+		option UNUSED			7
+	end
    field CODEC 32 33
    	option CODEC_ALC5682I_VS	0
    	option CODEC_NAU8825		1
diff --git a/src/mainboard/google/brya/variants/craask/variant.c b/src/mainboard/google/brya/variants/craask/variant.c
new file mode 100644
index 0000000..689a59a
--- /dev/null
+++ b/src/mainboard/google/brya/variants/craask/variant.c
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#include <fw_config.h>
+#include <sar.h>
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	if (fw_config_probe(FW_CONFIG(WIFI_SAR_ID, ID_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, UNUSED))) {
+		printk(BIOS_INFO, "Wi-Fi SAR not used, return NULL!\n");
+	}
+
+	return NULL;
+}