postcar: Make more use of postcar_frame_add_romcache()

Some similar calls to postcar_frame_add_mtrr() were added in the
meantime or were under review while postcar_frame_add_romcache()
was introduced.

Change-Id: Ia8771dc007c02328bd4784e6b50cada94abba198
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/31320
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

src/cpu/intel/haswell/romstage.c

@@ -55,8 +55,7 @@ void platform_enter_postcar(void)
 	if (postcar_frame_init(&pcf, ROMSTAGE_RAM_STACK_SIZE))
 		die("Unable to initialize postcar frame.\n");
 	/* Cache the ROM as WP just below 4GiB. */
-	postcar_frame_add_mtrr(&pcf, CACHE_ROM_BASE, CACHE_ROM_SIZE,
-		MTRR_TYPE_WRPROT);
+	postcar_frame_add_romcache(&pcf, MTRR_TYPE_WRPROT);
 
 	/* Cache RAM as WB from 0 -> CACHE_TMP_RAMTOP. */
 	postcar_frame_add_mtrr(&pcf, 0, CACHE_TMP_RAMTOP, MTRR_TYPE_WRBACK);

src/northbridge/intel/i440bx/ram_calc.c

@@ -81,8 +81,7 @@ void platform_enter_postcar(void)
 		die("Unable to initialize postcar frame.\n");
 
 	/* Cache the ROM as WP just below 4GiB. */
-	postcar_frame_add_mtrr(&pcf, CACHE_ROM_BASE, CACHE_ROM_SIZE,
-		MTRR_TYPE_WRPROT);
+	postcar_frame_add_romcache(&pcf, MTRR_TYPE_WRPROT);
 
 	/* Cache RAM as WB from 0 -> CACHE_TMP_RAMTOP. */
 	postcar_frame_add_mtrr(&pcf, 0, CACHE_TMP_RAMTOP, MTRR_TYPE_WRBACK);

src/soc/intel/baytrail/romstage/romstage.c

@@ -249,8 +249,7 @@ static void platform_enter_postcar(void)
 	if (postcar_frame_init(&pcf, ROMSTAGE_RAM_STACK_SIZE))
 		die("Unable to initialize postcar frame.\n");
 	/* Cache the ROM as WP just below 4GiB. */
-	postcar_frame_add_mtrr(&pcf, CACHE_ROM_BASE, CACHE_ROM_SIZE,
-			       MTRR_TYPE_WRPROT);
+	postcar_frame_add_romcache(&pcf, MTRR_TYPE_WRPROT);
 
 	/* Cache RAM as WB from 0 -> CACHE_TMP_RAMTOP. */
 	postcar_frame_add_mtrr(&pcf, 0, CACHE_TMP_RAMTOP, MTRR_TYPE_WRBACK);

src/soc/intel/broadwell/romstage/romstage.c

@@ -47,8 +47,7 @@ static void platform_enter_postcar(void)
 	if (postcar_frame_init(&pcf, ROMSTAGE_RAM_STACK_SIZE))
 		die("Unable to initialize postcar frame.\n");
 	/* Cache the ROM as WP just below 4GiB. */
-	postcar_frame_add_mtrr(&pcf, CACHE_ROM_BASE, CACHE_ROM_SIZE,
-		MTRR_TYPE_WRPROT);
+	postcar_frame_add_romcache(&pcf, MTRR_TYPE_WRPROT);
 
 	/* Cache RAM as WB from 0 -> CACHE_TMP_RAMTOP. */
 	postcar_frame_add_mtrr(&pcf, 0, CACHE_TMP_RAMTOP, MTRR_TYPE_WRBACK);