Julien Viard de Galbert has uploaded this change for review.

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mb/scaleway/tagada: Add bmcinfo field confMRC to configure FSP MRC code

The BMC now expose an extra field to give more control over the FSP MRC
 options.

Change-Id: I2cad2ec24ff61d384e040c23a24782d8934b6f0b
Signed-off-by: Julien Viard de Galbert <jviarddegalbert@online.net>
---
M src/mainboard/scaleway/tagada/bmcinfo.c
M src/mainboard/scaleway/tagada/bmcinfo.h
M src/mainboard/scaleway/tagada/romstage.c
3 files changed, 21 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/79/47479/1

diff --git a/src/mainboard/scaleway/tagada/bmcinfo.c b/src/mainboard/scaleway/tagada/bmcinfo.c
index 9f30a7e..b2037fc 100644
--- a/src/mainboard/scaleway/tagada/bmcinfo.c
+++ b/src/mainboard/scaleway/tagada/bmcinfo.c
@@ -21,6 +21,7 @@
 	u8 bootOption;
 	u8 hwRev; // Note: Initial implementation ended here
 	u8 disableNic1;
+	u8 confMRC;
 	u8 endMarker; // Insert new fields before
 } biosBmcInfo_t;
 
@@ -162,6 +163,15 @@
 	return 0;
 }
 
+int bmcinfo_conf_mrc(void)
+{
+	if (IS_BMC_INFO_FIELD_VALID(confMRC)) {
+		printk(BIOS_DEBUG, "bmcInfo confMRC=%x\n", BMC_INFO->confMRC);
+		return BMC_INFO->confMRC;
+	}
+	return CONF_MRC_DEFAULT;
+}
+
 /* Add override functions below */
 
 /* Override default uart baudrate */
diff --git a/src/mainboard/scaleway/tagada/bmcinfo.h b/src/mainboard/scaleway/tagada/bmcinfo.h
index 016de9b..de014bb 100644
--- a/src/mainboard/scaleway/tagada/bmcinfo.h
+++ b/src/mainboard/scaleway/tagada/bmcinfo.h
@@ -13,6 +13,13 @@
 // Reset after boot sequence (don't go to EFI shell)
 #define BOOT_OPTION_NO_EFISHELL 0x80
 
+// Enable FastBoot
+#define CONF_MRC_FAST_BOOT 1
+// Enable MRC RMT reporting
+#define CONF_MRC_RMT_ENABLE 2
+
+#define CONF_MRC_DEFAULT (CONF_MRC_FAST_BOOT | CONF_MRC_RMT_ENABLE)
+
 char *bmcinfo_serial(void);
 u8 *bmcinfo_uuid(void);
 int bmcinfo_slot(void);
@@ -23,5 +30,6 @@
 int bmcinfo_relax_security(void);
 int bmcinfo_boot_option(void);
 int bmcinfo_disable_nic1(void);
+int bmcinfo_conf_mrc(void);
 
 #endif	/* MAINBOARD_BMCINFO_H */
diff --git a/src/mainboard/scaleway/tagada/romstage.c b/src/mainboard/scaleway/tagada/romstage.c
index f041b6f..6b3ac47 100644
--- a/src/mainboard/scaleway/tagada/romstage.c
+++ b/src/mainboard/scaleway/tagada/romstage.c
@@ -41,6 +41,7 @@
 
 	// Enable Rmt and Fast Boot by default, RMT will be run only on first
 	// boot or when dimms change
-	mupd->FspmConfig.PcdMrcRmtSupport = 1;
-	mupd->FspmConfig.PcdFastBoot = 1;
+	int confMRC = bmcinfo_conf_mrc();
+	mupd->FspmConfig.PcdMrcRmtSupport = (confMRC & CONF_MRC_RMT_ENABLE)?1:0;
+	mupd->FspmConfig.PcdFastBoot = (confMRC & CONF_MRC_FAST_BOOT)?1:0;
 }

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