At present some spl_xxx_load_image() functions take a parameter and some
don't. Of those that do, most take an integer but one takes a string.

Convert this parameter into a struct so that we can pass all functions the
same thing. This will allow us to use a common function signature.

Signed-off-by: Simon Glass <s...@chromium.org>
---

 arch/arm/mach-sunxi/board.c                  |  2 +-
 arch/arm/mach-uniphier/boot-mode/spl_board.c |  2 +-
 arch/sandbox/cpu/spl.c                       |  2 +-
 common/spl/spl.c                             | 37 ++++++++++++++-----------
 common/spl/spl_mmc.c                         |  6 ++---
 common/spl/spl_nand.c                        |  2 +-
 common/spl/spl_net.c                         |  6 ++---
 common/spl/spl_nor.c                         |  2 +-
 common/spl/spl_onenand.c                     |  2 +-
 common/spl/spl_sata.c                        |  2 +-
 common/spl/spl_ubi.c                         |  6 ++---
 common/spl/spl_usb.c                         |  2 +-
 common/spl/spl_ymodem.c                      |  2 +-
 drivers/mtd/spi/spi_spl_load.c               |  2 +-
 drivers/mtd/spi/sunxi_spi_spl.c              |  2 +-
 include/spl.h                                | 40 ++++++++++++++++++++--------
 16 files changed, 70 insertions(+), 47 deletions(-)

diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c
index 6d9518d..8a385a2 100644
--- a/arch/arm/mach-sunxi/board.c
+++ b/arch/arm/mach-sunxi/board.c
@@ -133,7 +133,7 @@ static int gpio_init(void)
        return 0;
 }
 
-int spl_board_load_image(void)
+int spl_board_load_image(struct spl_boot_device *bootdev)
 {
        debug("Returning to FEL sp=%x, lr=%x\n", fel_stash.sp, fel_stash.lr);
        return_to_fel(fel_stash.sp, fel_stash.lr);
diff --git a/arch/arm/mach-uniphier/boot-mode/spl_board.c 
b/arch/arm/mach-uniphier/boot-mode/spl_board.c
index 63ab41c..4eadc2f 100644
--- a/arch/arm/mach-uniphier/boot-mode/spl_board.c
+++ b/arch/arm/mach-uniphier/boot-mode/spl_board.c
@@ -65,7 +65,7 @@ int uniphier_rom_get_mmc_funcptr(int (**send_cmd)(u32, u32),
        return 0;
 }
 
-int spl_board_load_image(void)
+int spl_board_load_image(struct spl_boot_device *bootdev)
 {
        int (*send_cmd)(u32 cmd, u32 arg);
        int (*card_blockaddr)(u32 rca);
diff --git a/arch/sandbox/cpu/spl.c b/arch/sandbox/cpu/spl.c
index e8349c0..4cee293 100644
--- a/arch/sandbox/cpu/spl.c
+++ b/arch/sandbox/cpu/spl.c
@@ -38,7 +38,7 @@ void spl_board_announce_boot_device(void)
        printf("%s\n", fname);
 }
 
-int spl_board_load_image(void)
+int spl_board_load_image(struct spl_boot_device *bootdev)
 {
        char fname[256];
        int ret;
diff --git a/common/spl/spl.c b/common/spl/spl.c
index cb96ef3..3716e6a 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -185,7 +185,7 @@ static ulong spl_ram_load_read(struct spl_load_info *load, 
ulong sector,
        return count;
 }
 
-static int spl_ram_load_image(void)
+static int spl_ram_load_image(struct spl_boot_device *bootdev)
 {
        struct image_header *header;
 
@@ -346,66 +346,71 @@ static inline void announce_boot_device(u32 boot_device) 
{ }
 
 static int spl_load_image(u32 boot_device)
 {
+       struct spl_boot_device bootdev;
+
+       bootdev.boot_device = boot_device;
+       bootdev.boot_device_name = NULL;
+
        switch (boot_device) {
 #ifdef CONFIG_SPL_RAM_DEVICE
        case BOOT_DEVICE_RAM:
-               return spl_ram_load_image();
+               return spl_ram_load_image(&bootdev);
 #endif
 #ifdef CONFIG_SPL_MMC_SUPPORT
        case BOOT_DEVICE_MMC1:
        case BOOT_DEVICE_MMC2:
        case BOOT_DEVICE_MMC2_2:
-               return spl_mmc_load_image(boot_device);
+               return spl_mmc_load_image(&bootdev);
 #endif
 #ifdef CONFIG_SPL_UBI
        case BOOT_DEVICE_NAND:
        case BOOT_DEVICE_ONENAND:
-               return spl_ubi_load_image(boot_device);
+               return spl_ubi_load_image(&bootdev);
 #else
 #ifdef CONFIG_SPL_NAND_SUPPORT
        case BOOT_DEVICE_NAND:
-               return spl_nand_load_image();
+               return spl_nand_load_image(&bootdev);
 #endif
 #ifdef CONFIG_SPL_ONENAND_SUPPORT
        case BOOT_DEVICE_ONENAND:
-               return spl_onenand_load_image();
+               return spl_onenand_load_image(&bootdev);
 #endif
 #endif
 #ifdef CONFIG_SPL_NOR_SUPPORT
        case BOOT_DEVICE_NOR:
-               return spl_nor_load_image();
+               return spl_nor_load_image(&bootdev);
 #endif
 #ifdef CONFIG_SPL_YMODEM_SUPPORT
        case BOOT_DEVICE_UART:
-               return spl_ymodem_load_image();
+               return spl_ymodem_load_image(&bootdev);
 #endif
 #if defined(CONFIG_SPL_SPI_SUPPORT) || defined(CONFIG_SPL_SPI_FLASH_SUPPORT)
        case BOOT_DEVICE_SPI:
-               return spl_spi_load_image();
+               return spl_spi_load_image(&bootdev);
 #endif
 #ifdef CONFIG_SPL_ETH_SUPPORT
        case BOOT_DEVICE_CPGMAC:
 #ifdef CONFIG_SPL_ETH_DEVICE
-               return spl_net_load_image(CONFIG_SPL_ETH_DEVICE);
-#else
-               return spl_net_load_image(NULL);
+               bootdev.boot_device_name = CONFIG_SPL_ETH_DEVICE;
 #endif
+               return spl_net_load_image(&bootdev);
 #endif
 #ifdef CONFIG_SPL_USBETH_SUPPORT
        case BOOT_DEVICE_USBETH:
-               return spl_net_load_image("usb_ether");
+               bootdev.boot_device_name = "usb_ether";
+               return spl_net_load_image(&bootdev);
 #endif
 #ifdef CONFIG_SPL_USB_SUPPORT
        case BOOT_DEVICE_USB:
-               return spl_usb_load_image();
+               return spl_usb_load_image(&bootdev);
 #endif
 #ifdef CONFIG_SPL_SATA_SUPPORT
        case BOOT_DEVICE_SATA:
-               return spl_sata_load_image();
+               return spl_sata_load_image(&bootdev);
 #endif
 #ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
        case BOOT_DEVICE_BOARD:
-               return spl_board_load_image();
+               return spl_board_load_image(&bootdev);
 #endif
        default:
 #if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
index 97c11b3..899caf4 100644
--- a/common/spl/spl_mmc.c
+++ b/common/spl/spl_mmc.c
@@ -267,14 +267,14 @@ int spl_mmc_do_fs_boot(struct mmc *mmc)
 }
 #endif
 
-int spl_mmc_load_image(u32 boot_device)
+int spl_mmc_load_image(struct spl_boot_device *bootdev)
 {
        struct mmc *mmc = NULL;
        u32 boot_mode;
        int err = 0;
        __maybe_unused int part;
 
-       err = spl_mmc_find_device(&mmc, boot_device);
+       err = spl_mmc_find_device(&mmc, bootdev->boot_device);
        if (err)
                return err;
 
@@ -286,7 +286,7 @@ int spl_mmc_load_image(u32 boot_device)
                return err;
        }
 
-       boot_mode = spl_boot_mode(boot_device);
+       boot_mode = spl_boot_mode(bootdev->boot_device);
        err = -EINVAL;
        switch (boot_mode) {
        case MMCSD_MODE_EMMCBOOT:
diff --git a/common/spl/spl_nand.c b/common/spl/spl_nand.c
index f25220f..575de66 100644
--- a/common/spl/spl_nand.c
+++ b/common/spl/spl_nand.c
@@ -13,7 +13,7 @@
 #include <fdt.h>
 
 #if defined(CONFIG_SPL_NAND_RAW_ONLY)
-int spl_nand_load_image(void)
+int spl_nand_load_image(struct spl_boot_device *bootdev)
 {
        nand_init();
 
diff --git a/common/spl/spl_net.c b/common/spl/spl_net.c
index f417d17..730f88e 100644
--- a/common/spl/spl_net.c
+++ b/common/spl/spl_net.c
@@ -14,7 +14,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-int spl_net_load_image(const char *device)
+int spl_net_load_image(struct spl_boot_device *bootdev)
 {
        int rv;
 
@@ -27,8 +27,8 @@ int spl_net_load_image(const char *device)
                printf("No Ethernet devices found\n");
                return -ENODEV;
        }
-       if (device)
-               setenv("ethact", device);
+       if (bootdev->boot_device_name)
+               setenv("ethact", bootdev->boot_device_name);
        rv = net_loop(BOOTP);
        if (rv < 0) {
                printf("Problem booting with BOOTP\n");
diff --git a/common/spl/spl_nor.c b/common/spl/spl_nor.c
index 57771e8..f10d679 100644
--- a/common/spl/spl_nor.c
+++ b/common/spl/spl_nor.c
@@ -7,7 +7,7 @@
 #include <common.h>
 #include <spl.h>
 
-int spl_nor_load_image(void)
+int spl_nor_load_image(struct spl_boot_device *bootdev)
 {
        int ret;
        /*
diff --git a/common/spl/spl_onenand.c b/common/spl/spl_onenand.c
index 8d2c51b..f5e2f95 100644
--- a/common/spl/spl_onenand.c
+++ b/common/spl/spl_onenand.c
@@ -14,7 +14,7 @@
 #include <asm/io.h>
 #include <onenand_uboot.h>
 
-int spl_onenand_load_image(void)
+int spl_onenand_load_image(struct spl_boot_device *bootdev)
 {
        struct image_header *header;
        int ret;
diff --git a/common/spl/spl_sata.c b/common/spl/spl_sata.c
index 9d8cc7c..77fd73c 100644
--- a/common/spl/spl_sata.c
+++ b/common/spl/spl_sata.c
@@ -20,7 +20,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-int spl_sata_load_image(void)
+int spl_sata_load_image(struct spl_boot_device *bootdev)
 {
        int err;
        struct blk_desc *stor_dev;
diff --git a/common/spl/spl_ubi.c b/common/spl/spl_ubi.c
index 5198bab..d64e6cf 100644
--- a/common/spl/spl_ubi.c
+++ b/common/spl/spl_ubi.c
@@ -12,14 +12,14 @@
 #include <ubispl.h>
 #include <spl.h>
 
-int spl_ubi_load_image(u32 boot_device)
+int spl_ubi_load_image(struct spl_boot_device *bootdev)
 {
        struct image_header *header;
        struct ubispl_info info;
        struct ubispl_load volumes[2];
        int ret = 1;
 
-       switch (boot_device) {
+       switch (bootdev->boot_device) {
 #ifdef CONFIG_SPL_NAND_SUPPORT
        case BOOT_DEVICE_NAND:
                nand_init();
@@ -71,7 +71,7 @@ int spl_ubi_load_image(u32 boot_device)
                spl_parse_image_header(&spl_image, header);
 out:
 #ifdef CONFIG_SPL_NAND_SUPPORT
-       if (boot_device == BOOT_DEVICE_NAND)
+       if (bootdev->boot_device == BOOT_DEVICE_NAND)
                nand_deselect();
 #endif
        return ret;
diff --git a/common/spl/spl_usb.c b/common/spl/spl_usb.c
index 04fa667..f990336 100644
--- a/common/spl/spl_usb.c
+++ b/common/spl/spl_usb.c
@@ -22,7 +22,7 @@ DECLARE_GLOBAL_DATA_PTR;
 static int usb_stor_curr_dev = -1; /* current device */
 #endif
 
-int spl_usb_load_image(void)
+int spl_usb_load_image(struct spl_boot_device *bootdev)
 {
        int err;
        struct blk_desc *stor_dev;
diff --git a/common/spl/spl_ymodem.c b/common/spl/spl_ymodem.c
index 1323b6f..d82b138 100644
--- a/common/spl/spl_ymodem.c
+++ b/common/spl/spl_ymodem.c
@@ -68,7 +68,7 @@ static ulong ymodem_read_fit(struct spl_load_info *load, 
ulong offset,
        return size;
 }
 
-int spl_ymodem_load_image(void)
+int spl_ymodem_load_image(struct spl_boot_device *bootdev)
 {
        int size = 0;
        int err;
diff --git a/drivers/mtd/spi/spi_spl_load.c b/drivers/mtd/spi/spi_spl_load.c
index ac5eae3..e4cc0d0 100644
--- a/drivers/mtd/spi/spi_spl_load.c
+++ b/drivers/mtd/spi/spi_spl_load.c
@@ -65,7 +65,7 @@ static ulong spl_spi_fit_read(struct spl_load_info *load, 
ulong sector,
  * configured and available since this code loads the main U-Boot image
  * from SPI into SDRAM and starts it from there.
  */
-int spl_spi_load_image(void)
+int spl_spi_load_image(struct spl_boot_device *bootdev)
 {
        int err = 0;
        struct spi_flash *flash;
diff --git a/drivers/mtd/spi/sunxi_spi_spl.c b/drivers/mtd/spi/sunxi_spi_spl.c
index a992bfa..767959c 100644
--- a/drivers/mtd/spi/sunxi_spi_spl.c
+++ b/drivers/mtd/spi/sunxi_spi_spl.c
@@ -262,7 +262,7 @@ static void spi0_read_data(void *buf, u32 addr, u32 len)
 
 /*****************************************************************************/
 
-int spl_spi_load_image(void)
+int spl_spi_load_image(struct spl_boot_device *bootdev)
 {
        int err;
        struct image_header *header;
diff --git a/include/spl.h b/include/spl.h
index b6990b4..63ca68c 100644
--- a/include/spl.h
+++ b/include/spl.h
@@ -131,35 +131,53 @@ int spl_start_uboot(void);
  */
 void spl_display_print(void);
 
+/**
+ * struct spl_boot_device - Describes a boot device used by SPL
+ *
+ * @boot_device: A number indicating the BOOT_DEVICE type. There are various
+ * BOOT_DEVICE... #defines and enums in U-Boot and they are not consistently
+ * numbered.
+ * @boot_device_name: Named boot device, or NULL if none.
+ *
+ * Note: Additional fields can be added here, bearing in mind that SPL is
+ * size-sensitive and common fields will be present on all boards. This
+ * struct can also be used to return additional information about the load
+ * process if that becomes useful.
+ */
+struct spl_boot_device {
+       uint boot_device;
+       const char *boot_device_name;
+};
+
 /* NAND SPL functions */
-int spl_nand_load_image(void);
+int spl_nand_load_image(struct spl_boot_device *bootdev);
 
 /* OneNAND SPL functions */
-int spl_onenand_load_image(void);
+int spl_onenand_load_image(struct spl_boot_device *bootdev);
 
 /* NOR SPL functions */
-int spl_nor_load_image(void);
+int spl_nor_load_image(struct spl_boot_device *bootdev);
 
 /* UBI SPL functions */
-int spl_ubi_load_image(u32 boot_device);
+int spl_ubi_load_image(struct spl_boot_device *bootdev);
 
 /* MMC SPL functions */
-int spl_mmc_load_image(u32 boot_device);
+int spl_mmc_load_image(struct spl_boot_device *bootdev);
 
 /* YMODEM SPL functions */
-int spl_ymodem_load_image(void);
+int spl_ymodem_load_image(struct spl_boot_device *bootdev);
 
 /* SPI SPL functions */
-int spl_spi_load_image(void);
+int spl_spi_load_image(struct spl_boot_device *bootdev);
 
 /* Ethernet SPL functions */
-int spl_net_load_image(const char *device);
+int spl_net_load_image(struct spl_boot_device *bootdev);
 
 /* USB SPL functions */
-int spl_usb_load_image(void);
+int spl_usb_load_image(struct spl_boot_device *bootdev);
 
 /* SATA SPL functions */
-int spl_sata_load_image(void);
+int spl_sata_load_image(struct spl_boot_device *bootdev);
 
 /* SPL FAT image functions */
 int spl_load_image_fat(struct blk_desc *block_dev, int partition,
@@ -205,6 +223,6 @@ bool spl_was_boot_source(void);
  *
  * @return 0 on success, negative errno value on failure.
  */
-int spl_board_load_image(void);
+int spl_board_load_image(struct spl_boot_device *bootdev);
 
 #endif
-- 
2.8.0.rc3.226.g39d4020

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