intel/apollolake: Remove CBFS locator override

This patch removes the CBFS locator override for the Apollolake SoC and
instead integrates the extra sanity check it was used for straight in
the boot device initializer.

Change-Id: Iccdb885be233bb027a6a1f2cc79054582cbdf3fc
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38418
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>

1 files changed, 10 insertions, 32 deletions

diff --git a/src/soc/intel/apollolake/mmap_boot.c b/src/soc/intel/apollolake/mmap_boot.c
index 96ddc0560e..611b0a7d4f 100644
--- a/src/soc/intel/apollolake/mmap_boot.c
+++ b/src/soc/intel/apollolake/mmap_boot.c
@@ -90,6 +90,16 @@ static void bios_mmap_init(void)
 				 CONFIG_ROM_SIZE);
 
 	bios_size = size;
+
+	/* Check that the CBFS lies within the memory mapped area. It's too
+	   easy to forget the SRAM mapping when crafting an FMAP file. */
+	struct region cbfs_region;
+	if (!fmap_locate_area("COREBOOT", &cbfs_region) &&
+	    !region_is_subregion(&real_dev.sub_region, &cbfs_region))
+		printk(BIOS_CRIT,
+		       "ERROR: CBFS @ %zx size %zx exceeds mem-mapped area @ %zx size %zx\n",
+		       region_offset(&cbfs_region), region_sz(&cbfs_region),
+		       start, bios_mapped_size);
 }
 
 const struct region_device *boot_device_ro(void)
@@ -98,35 +108,3 @@ const struct region_device *boot_device_ro(void)
 
 	return &real_dev.rdev;
 }
-
-static int iafw_boot_region_device(struct region_device *rdev)
-{
-	struct region *real_dev_reg;
-
-	if (cbfs_default_region_device(rdev))
-		return -1;
-
-	/* Check that we are within the memory mapped area. It's too
-	   easy to forget the SRAM mapping when crafting an FMAP file. */
-	real_dev_reg = &real_dev.sub_region;
-	if (region_is_subregion(real_dev_reg, region_device_region(rdev))) {
-		printk(BIOS_DEBUG, "CBFS @ %zx size %zx\n",
-		       region_device_offset(rdev), region_device_sz(rdev));
-	} else {
-		printk(BIOS_CRIT,
-		       "ERROR: CBFS @ %zx size %zx exceeds mem-mapped area @ %zx size %zx\n",
-		       region_device_offset(rdev), region_device_sz(rdev),
-		       region_offset(real_dev_reg), region_sz(real_dev_reg));
-	}
-
-	return 0;
-}
-
-/*
- * Named cbfs_default_locator so that it overrides the default, but incompatible
- * locator in cbfs.c
- */
-const struct cbfs_locator cbfs_default_locator = {
-	.name = "IAFW Locator",
-	.locate = iafw_boot_region_device,
-};