X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=include%2Fspl.h;h=99fc21cb3f3ba7176f1fc7e586bfd4664a429bfd;hb=0db69c20c2e42945cb1e91729fa46111a86b4a9b;hp=4bc1dd13bbc0126e6e684bc3d84fe4255fba4452;hpb=f0df254663d44f7fd4b714542bb4602626837465;p=karo-tx-uboot.git

diff --git a/include/spl.h b/include/spl.h
index 4bc1dd13bb..99fc21cb3f 100644
--- a/include/spl.h
+++ b/include/spl.h
@@ -2,23 +2,7 @@
  * (C) Copyright 2012
  * Texas Instruments, <www.ti.com>
  *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 #ifndef	_SPL_H_
 #define	_SPL_H_
@@ -27,10 +11,14 @@
 #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 {
 	const char *name;
@@ -49,6 +37,7 @@ extern struct spl_image_info spl_image;
 void preloader_console_init(void);
 u32 spl_boot_device(void);
 u32 spl_boot_mode(void);
+void spl_set_header_raw_uboot(void);
 void spl_parse_image_header(const struct image_header *header);
 void spl_board_prepare_for_linux(void);
 void __noreturn jump_to_image_linux(void *arg);
@@ -56,7 +45,7 @@ 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);
@@ -76,7 +65,46 @@ void spl_spi_load_image(void);
 /* Ethernet SPL functions */
 void spl_net_load_image(const char *device);
 
+/* USB SPL functions */
+void spl_usb_load_image(void);
+
+/* SATA SPL functions */
+void 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);
+
+void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image);
+
+/* SPL EXT image functions */
+int spl_load_image_ext(block_dev_desc_t *block_dev, int partition, const char *filename);
+int spl_load_image_ext_os(block_dev_desc_t *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