broadwell: Clean up `mainboard_post_raminit`

Make it optional and change its signature.

Change-Id: I4b5f3fb08e8954514ebf39e72c95aa62d66856d7
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49775
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
diff --git a/src/mainboard/google/auron/romstage.c b/src/mainboard/google/auron/romstage.c
index 9de58a8..a3705bc 100644
--- a/src/mainboard/google/auron/romstage.c
+++ b/src/mainboard/google/auron/romstage.c
@@ -14,7 +14,3 @@
 	mainboard_fill_spd_data(&rp->pei_data);
 
 }
-
-__weak void mainboard_post_raminit(struct romstage_params *rp)
-{
-}
diff --git a/src/mainboard/google/auron/variants/gandof/variant.c b/src/mainboard/google/auron/variants/gandof/variant.c
index 0d2f47e..b93e2c1 100644
--- a/src/mainboard/google/auron/variants/gandof/variant.c
+++ b/src/mainboard/google/auron/variants/gandof/variant.c
@@ -24,8 +24,8 @@
 	return len;
 }
 
-void mainboard_post_raminit(struct romstage_params *rp)
+void mainboard_post_raminit(const int s3resume)
 {
-	if (rp->power_state->prev_sleep_state != ACPI_S3)
+	if (!s3resume)
 		google_chromeec_kbbacklight(75);
 }
diff --git a/src/mainboard/google/auron/variants/lulu/variant.c b/src/mainboard/google/auron/variants/lulu/variant.c
index b38807b..8349acae 100644
--- a/src/mainboard/google/auron/variants/lulu/variant.c
+++ b/src/mainboard/google/auron/variants/lulu/variant.c
@@ -34,8 +34,8 @@
 	return len;
 }
 
-void mainboard_post_raminit(struct romstage_params *rp)
+void mainboard_post_raminit(const int s3resume)
 {
-	if (rp->power_state->prev_sleep_state != ACPI_S3)
+	if (!s3resume)
 		google_chromeec_kbbacklight(75);
 }
diff --git a/src/mainboard/google/auron/variants/samus/variant.c b/src/mainboard/google/auron/variants/samus/variant.c
index c69e662..1e4a258 100644
--- a/src/mainboard/google/auron/variants/samus/variant.c
+++ b/src/mainboard/google/auron/variants/samus/variant.c
@@ -21,9 +21,9 @@
 	return 0;
 }
 
-void mainboard_post_raminit(struct romstage_params *rp)
+void mainboard_post_raminit(const int s3resume)
 {
-	if (rp->power_state->prev_sleep_state != ACPI_S3)
+	if (!s3resume)
 		google_chromeec_kbbacklight(100);
 
 	printk(BIOS_INFO, "MLB: board version %s\n", samus_board_version());
diff --git a/src/mainboard/google/jecht/romstage.c b/src/mainboard/google/jecht/romstage.c
index 6129011..58db3cf 100644
--- a/src/mainboard/google/jecht/romstage.c
+++ b/src/mainboard/google/jecht/romstage.c
@@ -18,7 +18,7 @@
 	mainboard_fill_spd_data(&rp->pei_data);
 }
 
-void mainboard_post_raminit(struct romstage_params *rp)
+void mainboard_post_raminit(const int s3resume)
 {
 	if (CONFIG(CHROMEOS))
 		init_bootmode_straps();
diff --git a/src/mainboard/intel/wtm2/romstage.c b/src/mainboard/intel/wtm2/romstage.c
index 9e22250..1b6539b 100644
--- a/src/mainboard/intel/wtm2/romstage.c
+++ b/src/mainboard/intel/wtm2/romstage.c
@@ -11,7 +11,3 @@
 	/* Fill out PEI DATA */
 	mainboard_fill_pei_data(&rp->pei_data);
 }
-
-void mainboard_post_raminit(struct romstage_params *rp)
-{
-}
diff --git a/src/mainboard/purism/librem_bdw/romstage.c b/src/mainboard/purism/librem_bdw/romstage.c
index 8fc2f9e..8ffd0783 100644
--- a/src/mainboard/purism/librem_bdw/romstage.c
+++ b/src/mainboard/purism/librem_bdw/romstage.c
@@ -9,7 +9,3 @@
 	/* Fill out PEI DATA */
 	mainboard_fill_pei_data(&rp->pei_data);
 }
-
-void mainboard_post_raminit(struct romstage_params *rp)
-{
-}
diff --git a/src/soc/intel/broadwell/include/soc/romstage.h b/src/soc/intel/broadwell/include/soc/romstage.h
index 646ad0e..eb51ea1 100644
--- a/src/soc/intel/broadwell/include/soc/romstage.h
+++ b/src/soc/intel/broadwell/include/soc/romstage.h
@@ -12,7 +12,7 @@
 };
 
 void mainboard_pre_raminit(struct romstage_params *params);
-void mainboard_post_raminit(struct romstage_params *params);
+void mainboard_post_raminit(const int s3resume);
 
 void raminit(struct pei_data *pei_data);
 
diff --git a/src/soc/intel/broadwell/romstage.c b/src/soc/intel/broadwell/romstage.c
index 8e884d5..084c3e6 100644
--- a/src/soc/intel/broadwell/romstage.c
+++ b/src/soc/intel/broadwell/romstage.c
@@ -14,6 +14,10 @@
 #include <stdint.h>
 #include <timestamp.h>
 
+__weak void mainboard_post_raminit(const int s3resume)
+{
+}
+
 /* Entry from cpu/intel/car/romstage.c. */
 void mainboard_romstage_entry(void)
 {
@@ -64,5 +68,5 @@
 
 	romstage_handoff_init(rp.power_state->prev_sleep_state == ACPI_S3);
 
-	mainboard_post_raminit(&rp);
+	mainboard_post_raminit(rp.power_state->prev_sleep_state == ACPI_S3);
 }