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-rw-r--r--src/cpu/ti/am335x/Makefile.inc2
-rw-r--r--src/cpu/ti/am335x/bootblock_media.c72
2 files changed, 73 insertions, 1 deletions
diff --git a/src/cpu/ti/am335x/Makefile.inc b/src/cpu/ti/am335x/Makefile.inc
index e1220faa41..ff007334a6 100644
--- a/src/cpu/ti/am335x/Makefile.inc
+++ b/src/cpu/ti/am335x/Makefile.inc
@@ -1,5 +1,5 @@
bootblock-y += dmtimer.c
-bootblock-y += nand.c
+bootblock-y += bootblock_media.c
bootblock-y += pinmux.c
bootblock-$(CONFIG_EARLY_CONSOLE) += uart.c
diff --git a/src/cpu/ti/am335x/bootblock_media.c b/src/cpu/ti/am335x/bootblock_media.c
new file mode 100644
index 0000000000..553fe42e4d
--- /dev/null
+++ b/src/cpu/ti/am335x/bootblock_media.c
@@ -0,0 +1,72 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <cbfs.h>
+#include <console/console.h>
+#include <string.h>
+
+static int dummy_open(struct cbfs_media *media)
+{
+ return 0;
+}
+
+static int dummy_close(struct cbfs_media *media)
+{
+ return 0;
+}
+
+static void * on_chip_memory_map(struct cbfs_media *media, size_t offset,
+ size_t count)
+{
+ return (void *)((uintptr_t)CONFIG_BOOTBLOCK_BASE + offset);
+}
+
+static void * dummy_unmap(struct cbfs_media *media, const void *address)
+{
+ return NULL;
+}
+
+static size_t on_chip_memory_read(struct cbfs_media *media, void *dest,
+ size_t offset, size_t count)
+{
+ void *ptr = media->map(media, offset, count);
+ memcpy(dest, ptr, count);
+ media->unmap(media, ptr);
+ return count;
+}
+
+int init_default_cbfs_media(struct cbfs_media *media)
+{
+ struct cbfs_header *header =
+ (struct cbfs_header *)((uintptr_t)CONFIG_BOOTBLOCK_BASE +
+ CONFIG_CBFS_HEADER_ROM_OFFSET);
+
+ if (CBFS_HEADER_MAGIC != ntohl(header->magic)) {
+ printk(BIOS_ERR, "Invalid CBFS master header at %p\n", header);
+ return -1;
+ }
+
+ media->open = dummy_open;
+ media->close = dummy_close;
+ media->map = on_chip_memory_map;
+ media->unmap = dummy_unmap;
+ media->read = on_chip_memory_read;
+
+ return 0;
+}