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-rw-r--r--common/spl/Makefile1
-rw-r--r--common/spl/spl.c5
-rw-r--r--common/spl/spl_nor.c62
-rw-r--r--include/spl.h3
4 files changed, 71 insertions, 0 deletions
diff --git a/common/spl/Makefile b/common/spl/Makefile
index b9c9fd8..7cf01ad 100644
--- a/common/spl/Makefile
+++ b/common/spl/Makefile
@@ -15,6 +15,7 @@ LIB = $(obj)libspl.o
ifdef CONFIG_SPL_BUILD
COBJS-$(CONFIG_SPL_FRAMEWORK) += spl.o
+COBJS-$(CONFIG_SPL_NOR_SUPPORT) += spl_nor.o
COBJS-$(CONFIG_SPL_YMODEM_SUPPORT) += spl_ymodem.o
COBJS-$(CONFIG_SPL_NAND_SUPPORT) += spl_nand.o
endif
diff --git a/common/spl/spl.c b/common/spl/spl.c
index 3b4fcba..3156401 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -142,6 +142,11 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
spl_nand_load_image();
break;
#endif
+#ifdef CONFIG_SPL_NOR_SUPPORT
+ case BOOT_DEVICE_NOR:
+ spl_nor_load_image();
+ break;
+#endif
#ifdef CONFIG_SPL_YMODEM_SUPPORT
case BOOT_DEVICE_UART:
spl_ymodem_load_image();
diff --git a/common/spl/spl_nor.c b/common/spl/spl_nor.c
new file mode 100644
index 0000000..976e865
--- /dev/null
+++ b/common/spl/spl_nor.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2012 Stefan Roese <sr@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include <spl.h>
+
+void spl_nor_load_image(void)
+{
+ /*
+ * Loading of the payload to SDRAM is done with skipping of
+ * the mkimage header in this SPL NOR driver
+ */
+ spl_image.flags |= SPL_COPY_PAYLOAD_ONLY;
+
+ if (spl_start_uboot()) {
+ /*
+ * Load real U-Boot from its location in NOR flash to its
+ * defined location in SDRAM
+ */
+ spl_parse_image_header(
+ (const struct image_header *)CONFIG_SYS_UBOOT_BASE);
+
+ memcpy((void *)spl_image.load_addr,
+ (void *)(CONFIG_SYS_UBOOT_BASE +
+ sizeof(struct image_header)),
+ spl_image.size);
+ } else {
+ /*
+ * Load Linux from its location in NOR flash to its defined
+ * location in SDRAM
+ */
+ spl_parse_image_header(
+ (const struct image_header *)CONFIG_SYS_OS_BASE);
+
+ memcpy((void *)spl_image.load_addr,
+ (void *)(CONFIG_SYS_OS_BASE +
+ sizeof(struct image_header)),
+ spl_image.size);
+
+ /*
+ * Copy DT blob (fdt) to SDRAM. Passing pointer to flash
+ * doesn't work (16 KiB should be enough for DT)
+ */
+ memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR,
+ (void *)(CONFIG_SYS_FDT_BASE),
+ (16 << 10));
+ }
+}
diff --git a/include/spl.h b/include/spl.h
index 2923cd2..e405386 100644
--- a/include/spl.h
+++ b/include/spl.h
@@ -56,6 +56,9 @@ void spl_display_print(void);
/* NAND SPL functions */
void spl_nand_load_image(void);
+/* NOR SPL functions */
+void spl_nor_load_image(void);
+
/* MMC SPL functions */
void spl_mmc_load_image(void);