cpu/x86/smm: Promote smm_memory_map()

Change-Id: I909e9b5fead317928d3513a677cfab25e3c42f64
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34792
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/cpu/intel/car/romstage.c

@@ -15,6 +15,7 @@
 #include <console/console.h>
 #include <cpu/intel/romstage.h>
 #include <cpu/x86/mtrr.h>
+#include <cpu/x86/smm.h>
 #include <arch/symbols.h>
 #include <commonlib/helpers.h>
 #include <program_loading.h>
@@ -69,6 +70,9 @@ static void romstage_main(unsigned long bist)
 		printk(BIOS_DEBUG, "Smashed stack detected in romstage!\n");
 	}
 
+	if (CONFIG(SMM_TSEG))
+		smm_list_regions();
+
 	prepare_and_run_postcar(&early_mtrrs);
 	/* We do not return here. */
 }

src/cpu/x86/smm/tseg_region.c

@@ -84,3 +84,23 @@ void __weak stage_cache_external_region(void **base, size_t *size)
 		*size = 0;
 	}
 }
+
+void smm_list_regions(void)
+{
+	uintptr_t base;
+	size_t size;
+	int i;
+
+	smm_region(&base, &size);
+	if (!size)
+		return;
+
+	printk(BIOS_DEBUG, "SMM Memory Map\n");
+	printk(BIOS_DEBUG, "SMRAM       : 0x%zx 0x%zx\n", base, size);
+
+	for (i = 0; i < SMM_SUBREGION_NUM; i++) {
+		if (smm_subregion(i, &base, &size))
+			continue;
+		printk(BIOS_DEBUG, " Subregion %d: 0x%zx 0x%zx\n", i, base, size);
+	}
+}