[U-Boot] [PATCH V3 6/8] omap-common: Add NAND SPL linux booting

[Simon Schwarz]

This implements booting of Linux from NAND in SPL

Signed-off-by: Simon Schwarz <simonschwarz...@gmail.com>
---

V2 changes:
nothing

V3 changes:
nothing
---
 arch/arm/cpu/armv7/omap-common/spl_nand.c |   48 +++++++++++++++++++---------
 1 files changed, 32 insertions(+), 16 deletions(-)

diff --git a/arch/arm/cpu/armv7/omap-common/spl_nand.c 
b/arch/arm/cpu/armv7/omap-common/spl_nand.c
index af02a59..06254b2 100644
--- a/arch/arm/cpu/armv7/omap-common/spl_nand.c
+++ b/arch/arm/cpu/armv7/omap-common/spl_nand.c
@@ -46,26 +46,42 @@ void spl_nand_load_image(void)
 
        /*use CONFIG_SYS_TEXT_BASE as temporary storage area */
        header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
+#ifdef CONFIG_SPL_OS_BOOT
+       if (!spl_uboot_key()) {
+               /* load parameter image */
+               nand_spl_load_image(CONFIG_CMD_SAVEBP_NAND_OFS ,
+                       CONFIG_CMD_SAVEBP_WRITE_SIZE,
+                       (void *)CONFIG_SYS_SPL_ARGS_ADDR);
 
+               /* load linux */
+               nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS,
+                       CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+               spl_parse_image_header(header);
+               nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS,
+                       spl_image.size, (void *)spl_image.load_addr);
+       } else
+#endif
+       {
 #ifdef CONFIG_NAND_ENV_DST
-       nand_spl_load_image(CONFIG_ENV_OFFSET,
-               CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
-       spl_parse_image_header(header);
-       nand_spl_load_image(CONFIG_ENV_OFFSET, spl_image.size,
-               (void *)image_load_addr);
+               nand_spl_load_image(CONFIG_ENV_OFFSET,
+                       CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+               spl_parse_image_header(header);
+               nand_spl_load_image(CONFIG_ENV_OFFSET, spl_image.size,
+                       (void *)spl_image.load_addr);
 #ifdef CONFIG_ENV_OFFSET_REDUND
-       nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND,
-               CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
-       spl_parse_image_header(header);
-       nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, spl_image.size,
-               (void *)image_load_addr);
+               nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND,
+                       CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+               spl_parse_image_header(header);
+               nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, spl_image.size,
+                       (void *)spl_image.load_addr);
 #endif
 #endif
-       /* Load u-boot */
-       nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
-               CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
-       spl_parse_image_header(header);
-       nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
-               spl_image.size, (void *)spl_image.load_addr);
+               /* Load u-boot */
+               nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+                       CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+               spl_parse_image_header(header);
+               nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+                       spl_image.size, (void *)spl_image.load_addr);
+       }
        nand_deselect();
 }
-- 
1.7.4.1

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