arm: spl: Provide for a board-specific loader

Some boards have a special way of loading U-Boot that does not fit with the existing SPL code. For example sunxi uses an 'FEL' mode where U-Boot is loaded over USB. Add a CONFIG option and boot mode for this. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Siarhei Siamashka <siarhei.siamashka@gmail.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>

arm: spl: Provide for a board-specific loader
Some boards have a special way of loading U-Boot that does not fit with the existing SPL code. For example sunxi uses an 'FEL' mode where U-Boot is loaded over USB. Add a CONFIG option and boot mode for this. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Siarhei Siamashka <siarhei.siamashka@gmail.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Simon Glass · Hans de Goede
1 parent e11c6c279d
Showing 2 changed files with 9 additions and 0 deletions Side-by-side Diff
arch/arm/include/asm/spl.h
common/spl/spl.c
@@ -26,9 +26,13 @@
 	BOOT_DEVICE_SPI,
 	BOOT_DEVICE_SATA,
 	BOOT_DEVICE_I2C,
+	BOOT_DEVICE_BOARD,
 	BOOT_DEVICE_NONE
 };
 #endif
+
+/* Board-specific load method */
+void spl_board_load_image(void);
  
 /* Linker symbols. */
 extern char __bss_start[], __bss_end[];
@@ -229,6 +229,11 @@
 		spl_sata_load_image();
 		break;
 #endif
+#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
+	case BOOT_DEVICE_BOARD:
+		spl_board_load_image();
+		break;
+#endif
 	default:
 #if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
 		puts("SPL: Unsupported Boot Device!\n");
...	...	@@ -26,9 +26,13 @@
26	26	BOOT_DEVICE_SPI,
27	27	BOOT_DEVICE_SATA,
28	28	BOOT_DEVICE_I2C,
	29	+ BOOT_DEVICE_BOARD,
29	30	BOOT_DEVICE_NONE
30	31	};
31	32	#endif
	33	+
	34	+/* Board-specific load method */
	35	+void spl_board_load_image(void);
32	36
33	37	/* Linker symbols. */
34	38	extern char __bss_start[], __bss_end[];
...	...	@@ -229,6 +229,11 @@
229	229	spl_sata_load_image();
230	230	break;
231	231	#endif
	232	+#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
	233	+ case BOOT_DEVICE_BOARD:
	234	+ spl_board_load_image();
	235	+ break;
	236	+#endif
232	237	default:
233	238	#if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
234	239	puts("SPL: Unsupported Boot Device!\n");