[U-Boot] [PATCH v2 18/18] SPL: Enhance spi_spl_load to match the other load functions

[Tom Rini]

Signed-off-by: Tom Rini <trini at ti.com>
---

 common/spl/spl.c               |    4 ++--
 drivers/mtd/spi/spi_spl_load.c |   23 ++++++++++++-----------
 include/spl.h                  |    2 +-
 3 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/common/spl/spl.c b/common/spl/spl.c
index 3a2740a..7d15460 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -177,8 +177,8 @@ void board_init_r(gd_t *id, ulong dummy)
 #endif
 #ifdef CONFIG_SPL_SPI_SUPPORT
 	case BOOT_DEVICE_SPI:
-		spi_boot();
-	break;
+		spl_spi_load_image();
+		break;
 #endif
 	default:
 		puts("SPL: Un-supported Boot Device\n");
diff --git a/drivers/mtd/spi/spi_spl_load.c b/drivers/mtd/spi/spi_spl_load.c
index 1aa30ac..d4f81f2 100644
--- a/drivers/mtd/spi/spi_spl_load.c
+++ b/drivers/mtd/spi/spi_spl_load.c
@@ -24,16 +24,17 @@
 
 #include <common.h>
 #include <spi_flash.h>
+#include <spl.h>
 
 /*
  * The main entry for SPI booting. It's necessary that SDRAM is already
  * configured and available since this code loads the main U-Boot image
  * from SPI into SDRAM and starts it from there.
  */
-void spi_boot(void)
+void spl_spi_load_image(void)
 {
 	struct spi_flash *flash;
-	void (*uboot)(void) __noreturn;
+	struct image_header *header;
 
 	/*
 	 * Load U-Boot image from SPI flash into RAM
@@ -42,17 +43,17 @@ void spi_boot(void)
 	flash = spi_flash_probe(CONFIG_SPL_SPI_BUS, CONFIG_SPL_SPI_CS,
 				CONFIG_SF_DEFAULT_SPEED, SPI_MODE_3);
 	if (!flash) {
-		puts("failed.\n");
+		puts("SPI probe failed.\n");
 		hang();
 	}
 
-	spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS,
-		       CONFIG_SYS_SPI_U_BOOT_SIZE,
-		       (void *) CONFIG_SYS_TEXT_BASE);
+	/* use CONFIG_SYS_TEXT_BASE as temporary storage area */
+	header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
 
-	/*
-	 * Jump to U-Boot image
-	 */
-	uboot = (void *) CONFIG_SYS_TEXT_BASE;
-	(*uboot)();
+	/* Load u-boot, mkimage header is 64 bytes. */
+	spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, 0x40,
+			(void *) header);
+	spl_parse_image_header(header);
+	spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS,
+		       spl_image.size, (void *)spl_image.load_addr);
 }
diff --git a/include/spl.h b/include/spl.h
index af9ef71..c0cb62e 100644
--- a/include/spl.h
+++ b/include/spl.h
@@ -61,7 +61,7 @@ void spl_mmc_load_image(void);
 void spl_ymodem_load_image(void);
 
 /* SPI SPL functions */
-void spi_boot(void);
+void spl_spi_load_image(void);
 
 #ifdef CONFIG_SPL_BOARD_INIT
 void spl_board_init(void);
-- 
1.7.9.5