X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fspl.h;h=8afa0856c5889ec9dab554a89f75f47e2b34032e;hb=e120c848bac77cfcc88183541c2e966e625a7840;hp=a7e41da7fd4980ef2362816a63d8680cc26ef1b9;hpb=a7e8c15f71456d55ccb27f843862af03a00e0957;p=u-boot

diff --git a/include/spl.h b/include/spl.h
index a7e41da7fd..8afa0856c5 100644
--- a/include/spl.h
+++ b/include/spl.h
@@ -11,11 +11,13 @@
 #include <linux/compiler.h>
 #include <asm/spl.h>
 
+/* Value in r0 indicates we booted from U-Boot */
+#define UBOOT_NOT_LOADED_FROM_SPL	0x13578642
 
 /* Boot type */
 #define MMCSD_MODE_UNDEFINED	0
 #define MMCSD_MODE_RAW		1
-#define MMCSD_MODE_FAT		2
+#define MMCSD_MODE_FS		2
 #define MMCSD_MODE_EMMCBOOT	3
 
 struct spl_image_info {
@@ -27,6 +29,36 @@ struct spl_image_info {
 	u32 flags;
 };
 
+/*
+ * Information required to load data from a device
+ *
+ * @dev: Pointer to the device, e.g. struct mmc *
+ * @priv: Private data for the device
+ * @bl_len: Block length for reading in bytes
+ * @filename: Name of the fit image file.
+ * @read: Function to call to read from the device
+ */
+struct spl_load_info {
+	void *dev;
+	void *priv;
+	int bl_len;
+	const char *filename;
+	ulong (*read)(struct spl_load_info *load, ulong sector, ulong count,
+		      void *buf);
+};
+
+/**
+ * spl_load_simple_fit() - Loads a fit image from a device.
+ * @info:	Structure containing the information required to load data.
+ * @sector:	Sector number where FIT image is located in the device
+ * @fdt:	Pointer to the copied FIT header.
+ *
+ * Reads the FIT image @sector in the device. Loads u-boot image to
+ * specified load address and copies the dtb to end of u-boot image.
+ * Returns 0 on success.
+ */
+int spl_load_simple_fit(struct spl_load_info *info, ulong sector, void *fdt);
+
 #define SPL_COPY_PAYLOAD_ONLY	1
 
 extern struct spl_image_info spl_image;
@@ -34,45 +66,82 @@ extern struct spl_image_info spl_image;
 /* SPL common functions */
 void preloader_console_init(void);
 u32 spl_boot_device(void);
-u32 spl_boot_mode(void);
-void spl_parse_image_header(const struct image_header *header);
+u32 spl_boot_mode(const u32 boot_device);
+void spl_set_header_raw_uboot(void);
+int spl_parse_image_header(const struct image_header *header);
 void spl_board_prepare_for_linux(void);
+void spl_board_prepare_for_boot(void);
+int spl_board_ubi_load_image(u32 boot_device);
 void __noreturn jump_to_image_linux(void *arg);
 int spl_start_uboot(void);
 void spl_display_print(void);
 
 /* NAND SPL functions */
-void spl_nand_load_image(void);
+int spl_nand_load_image(void);
 
 /* OneNAND SPL functions */
-void spl_onenand_load_image(void);
+int spl_onenand_load_image(void);
 
 /* NOR SPL functions */
-void spl_nor_load_image(void);
+int spl_nor_load_image(void);
+
+/* UBI SPL functions */
+int spl_ubi_load_image(u32 boot_device);
 
 /* MMC SPL functions */
-void spl_mmc_load_image(void);
+int spl_mmc_load_image(u32 boot_device);
 
 /* YMODEM SPL functions */
-void spl_ymodem_load_image(void);
+int spl_ymodem_load_image(void);
 
 /* SPI SPL functions */
-void spl_spi_load_image(void);
+int spl_spi_load_image(void);
 
 /* Ethernet SPL functions */
-void spl_net_load_image(const char *device);
+int spl_net_load_image(const char *device);
 
 /* USB SPL functions */
-void spl_usb_load_image(void);
+int spl_usb_load_image(void);
 
 /* SATA SPL functions */
-void spl_sata_load_image(void);
+int spl_sata_load_image(void);
 
 /* SPL FAT image functions */
-int spl_load_image_fat(block_dev_desc_t *block_dev, int partition, const char *filename);
-int spl_load_image_fat_os(block_dev_desc_t *block_dev, int partition);
+int spl_load_image_fat(struct blk_desc *block_dev, int partition,
+		       const char *filename);
+int spl_load_image_fat_os(struct blk_desc *block_dev, int partition);
+
+void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image);
+
+/* SPL EXT image functions */
+int spl_load_image_ext(struct blk_desc *block_dev, int partition,
+		       const char *filename);
+int spl_load_image_ext_os(struct blk_desc *block_dev, int partition);
+
+/**
+ * spl_init() - Set up device tree and driver model in SPL if enabled
+ *
+ * Call this function in board_init_f() if you want to use device tree and
+ * driver model early, before board_init_r() is called. This function will
+ * be called from board_init_r() if not called earlier.
+ *
+ * If this is not called, then driver model will be inactive in SPL's
+ * board_init_f(), and no device tree will be available.
+ */
+int spl_init(void);
 
 #ifdef CONFIG_SPL_BOARD_INIT
 void spl_board_init(void);
 #endif
+
+/**
+ * spl_was_boot_source() - check if U-Boot booted from SPL
+ *
+ * This will normally be true, but if U-Boot jumps to second U-Boot, it will
+ * be false. This should be implemented by board-specific code.
+ *
+ * @return true if U-Boot booted from SPL, else false
+ */
+bool spl_was_boot_source(void);
+
 #endif