X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=common%2Fspl%2Fspl.c;h=6e6dee7ec9b1d9b8ccd2cee17239557c88a28250;hb=9cddb4fe0266484aab9babdd2ebe650021644ea9;hp=daaeb507c467b14cf0f80ecaab46e48064e58672;hpb=307367eaffc8638e10ba1784fc66bfe623ae79e2;p=oweals%2Fu-boot.git

diff --git a/common/spl/spl.c b/common/spl/spl.c
index daaeb507c4..6e6dee7ec9 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -101,10 +101,22 @@ void spl_parse_image_header(const struct image_header *header)
 			(int)sizeof(spl_image.name), spl_image.name,
 			spl_image.load_addr, spl_image.size);
 	} else {
+#ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
+		/*
+		 * CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the
+		 * code which loads images in SPL cannot guarantee that
+		 * absolutely all read errors will be reported.
+		 * An example is the LPC32XX MLC NAND driver, which
+		 * will consider that a completely unreadable NAND block
+		 * is bad, and thus should be skipped silently.
+		 */
+		panic("** no mkimage signature but raw image not supported");
+#else
 		/* Signature not found - assume u-boot.bin */
 		debug("mkimage signature not found - ih_magic = %x\n",
 			header->ih_magic);
 		spl_set_header_raw_uboot();
+#endif
 	}
 }
 
@@ -113,14 +125,14 @@ __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
 	typedef void __noreturn (*image_entry_noargs_t)(void);
 
 	image_entry_noargs_t image_entry =
-			(image_entry_noargs_t) spl_image->entry_point;
+		(image_entry_noargs_t)(unsigned long)spl_image->entry_point;
 
 	debug("image entry point: 0x%X\n", spl_image->entry_point);
 	image_entry();
 }
 
 #ifdef CONFIG_SPL_RAM_DEVICE
-static void spl_ram_load_image(void)
+static int spl_ram_load_image(void)
 {
 	const struct image_header *header;
 
@@ -133,106 +145,239 @@ static void spl_ram_load_image(void)
 		(CONFIG_SYS_TEXT_BASE -	sizeof(struct image_header));
 
 	spl_parse_image_header(header);
+
+	return 0;
 }
 #endif
 
-void board_init_r(gd_t *dummy1, ulong dummy2)
+int spl_init(void)
 {
-	u32 boot_device;
-	debug(">>spl:board_init_r()\n");
+	int ret;
 
-#if defined(CONFIG_SYS_SPL_MALLOC_START)
-	mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
-			CONFIG_SYS_SPL_MALLOC_SIZE);
-	gd->flags |= GD_FLG_FULL_MALLOC_INIT;
-#elif defined(CONFIG_SYS_MALLOC_F_LEN)
-	gd->malloc_limit = gd->malloc_base + CONFIG_SYS_MALLOC_F_LEN;
+	debug("spl_init()\n");
+#if defined(CONFIG_SYS_MALLOC_F_LEN)
+	gd->malloc_limit = CONFIG_SYS_MALLOC_F_LEN;
 	gd->malloc_ptr = 0;
 #endif
-#ifdef CONFIG_SPL_DM
-	dm_init_and_scan(true);
+	if (CONFIG_IS_ENABLED(OF_CONTROL)) {
+		ret = fdtdec_setup();
+		if (ret) {
+			debug("fdtdec_setup() returned error %d\n", ret);
+			return ret;
+		}
+	}
+	if (IS_ENABLED(CONFIG_SPL_DM)) {
+		ret = dm_init_and_scan(true);
+		if (ret) {
+			debug("dm_init_and_scan() returned error %d\n", ret);
+			return ret;
+		}
+	}
+	gd->flags |= GD_FLG_SPL_INIT;
+
+	return 0;
+}
+
+#ifndef BOOT_DEVICE_NONE
+#define BOOT_DEVICE_NONE 0xdeadbeef
 #endif
 
-#ifndef CONFIG_PPC
-	/*
-	 * timer_init() does not exist on PPC systems. The timer is initialized
-	 * and enabled (decrementer) in interrupt_init() here.
-	 */
-	timer_init();
+static u32 spl_boot_list[] = {
+	BOOT_DEVICE_NONE,
+	BOOT_DEVICE_NONE,
+	BOOT_DEVICE_NONE,
+	BOOT_DEVICE_NONE,
+	BOOT_DEVICE_NONE,
+};
+
+__weak void board_boot_order(u32 *spl_boot_list)
+{
+	spl_boot_list[0] = spl_boot_device();
+}
+
+#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
+__weak void spl_board_announce_boot_device(void) { }
 #endif
 
-#ifdef CONFIG_SPL_BOARD_INIT
-	spl_board_init();
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+struct boot_device_name {
+	u32 boot_dev;
+	const char *name;
+};
+
+struct boot_device_name boot_name_table[] = {
+#ifdef CONFIG_SPL_RAM_DEVICE
+	{ BOOT_DEVICE_RAM, "RAM" },
 #endif
+#ifdef CONFIG_SPL_MMC_SUPPORT
+	{ BOOT_DEVICE_MMC1, "MMC" },
+	{ BOOT_DEVICE_MMC2, "MMC" },
+	{ BOOT_DEVICE_MMC2_2, "MMC" },
+#endif
+#ifdef CONFIG_SPL_NAND_SUPPORT
+	{ BOOT_DEVICE_NAND, "NAND" },
+#endif
+#ifdef CONFIG_SPL_ONENAND_SUPPORT
+	{ BOOT_DEVICE_ONENAND, "OneNAND" },
+#endif
+#ifdef CONFIG_SPL_NOR_SUPPORT
+	{ BOOT_DEVICE_NOR, "NOR" },
+#endif
+#ifdef CONFIG_SPL_YMODEM_SUPPORT
+	{ BOOT_DEVICE_UART, "UART" },
+#endif
+#ifdef CONFIG_SPL_SPI_SUPPORT
+	{ BOOT_DEVICE_SPI, "SPI" },
+#endif
+#ifdef CONFIG_SPL_ETH_SUPPORT
+#ifdef CONFIG_SPL_ETH_DEVICE
+	{ BOOT_DEVICE_CPGMAC, "eth device" },
+#else
+	{ BOOT_DEVICE_CPGMAC, "net" },
+#endif
+#endif
+#ifdef CONFIG_SPL_USBETH_SUPPORT
+	{ BOOT_DEVICE_USBETH, "USB eth" },
+#endif
+#ifdef CONFIG_SPL_USB_SUPPORT
+	{ BOOT_DEVICE_USB, "USB" },
+#endif
+#ifdef CONFIG_SPL_SATA_SUPPORT
+	{ BOOT_DEVICE_SATA, "SATA" },
+#endif
+	/* Keep this entry last */
+	{ BOOT_DEVICE_NONE, "unknown boot device" },
+};
 
-	boot_device = spl_boot_device();
-	debug("boot device - %d\n", boot_device);
+static void announce_boot_device(u32 boot_device)
+{
+	int i;
+
+	puts("Trying to boot from ");
+
+#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
+	if (boot_device == BOOT_DEVICE_BOARD) {
+		spl_board_announce_boot_device();
+		puts("\n");
+		return;
+	}
+#endif
+	for (i = 0; i < ARRAY_SIZE(boot_name_table) - 1; i++) {
+		if (boot_name_table[i].boot_dev == boot_device)
+			break;
+	}
+
+	printf("%s\n", boot_name_table[i].name);
+}
+#else
+static inline void announce_boot_device(u32 boot_device) { }
+#endif
+
+static int spl_load_image(u32 boot_device)
+{
 	switch (boot_device) {
 #ifdef CONFIG_SPL_RAM_DEVICE
 	case BOOT_DEVICE_RAM:
-		spl_ram_load_image();
-		break;
+		return spl_ram_load_image();
 #endif
 #ifdef CONFIG_SPL_MMC_SUPPORT
 	case BOOT_DEVICE_MMC1:
 	case BOOT_DEVICE_MMC2:
 	case BOOT_DEVICE_MMC2_2:
-		spl_mmc_load_image();
-		break;
+		return spl_mmc_load_image(boot_device);
 #endif
 #ifdef CONFIG_SPL_NAND_SUPPORT
 	case BOOT_DEVICE_NAND:
-		spl_nand_load_image();
-		break;
+		return spl_nand_load_image();
 #endif
 #ifdef CONFIG_SPL_ONENAND_SUPPORT
 	case BOOT_DEVICE_ONENAND:
-		spl_onenand_load_image();
-		break;
+		return spl_onenand_load_image();
 #endif
 #ifdef CONFIG_SPL_NOR_SUPPORT
 	case BOOT_DEVICE_NOR:
-		spl_nor_load_image();
-		break;
+		return spl_nor_load_image();
 #endif
 #ifdef CONFIG_SPL_YMODEM_SUPPORT
 	case BOOT_DEVICE_UART:
-		spl_ymodem_load_image();
-		break;
+		return spl_ymodem_load_image();
 #endif
 #ifdef CONFIG_SPL_SPI_SUPPORT
 	case BOOT_DEVICE_SPI:
-		spl_spi_load_image();
-		break;
+		return spl_spi_load_image();
 #endif
 #ifdef CONFIG_SPL_ETH_SUPPORT
 	case BOOT_DEVICE_CPGMAC:
 #ifdef CONFIG_SPL_ETH_DEVICE
-		spl_net_load_image(CONFIG_SPL_ETH_DEVICE);
+		return spl_net_load_image(CONFIG_SPL_ETH_DEVICE);
 #else
-		spl_net_load_image(NULL);
+		return spl_net_load_image(NULL);
 #endif
-		break;
 #endif
 #ifdef CONFIG_SPL_USBETH_SUPPORT
 	case BOOT_DEVICE_USBETH:
-		spl_net_load_image("usb_ether");
-		break;
+		return spl_net_load_image("usb_ether");
 #endif
 #ifdef CONFIG_SPL_USB_SUPPORT
 	case BOOT_DEVICE_USB:
-		spl_usb_load_image();
-		break;
+		return spl_usb_load_image();
 #endif
 #ifdef CONFIG_SPL_SATA_SUPPORT
 	case BOOT_DEVICE_SATA:
-		spl_sata_load_image();
-		break;
+		return spl_sata_load_image();
+#endif
+#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
+	case BOOT_DEVICE_BOARD:
+		return spl_board_load_image();
 #endif
 	default:
 #if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
 		puts("SPL: Unsupported Boot Device!\n");
 #endif
+		return -ENODEV;
+	}
+
+	return -EINVAL;
+}
+
+void board_init_r(gd_t *dummy1, ulong dummy2)
+{
+	int i;
+
+	debug(">>spl:board_init_r()\n");
+
+#if defined(CONFIG_SYS_SPL_MALLOC_START)
+	mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
+			CONFIG_SYS_SPL_MALLOC_SIZE);
+	gd->flags |= GD_FLG_FULL_MALLOC_INIT;
+#endif
+	if (!(gd->flags & GD_FLG_SPL_INIT)) {
+		if (spl_init())
+			hang();
+	}
+#ifndef CONFIG_PPC
+	/*
+	 * timer_init() does not exist on PPC systems. The timer is initialized
+	 * and enabled (decrementer) in interrupt_init() here.
+	 */
+	timer_init();
+#endif
+
+#ifdef CONFIG_SPL_BOARD_INIT
+	spl_board_init();
+#endif
+
+	board_boot_order(spl_boot_list);
+	for (i = 0; i < ARRAY_SIZE(spl_boot_list) &&
+			spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
+		announce_boot_device(spl_boot_list[i]);
+		if (!spl_load_image(spl_boot_list[i]))
+			break;
+	}
+
+	if (i == ARRAY_SIZE(spl_boot_list) ||
+	    spl_boot_list[i] == BOOT_DEVICE_NONE) {
+		puts("SPL: failed to boot from all boot devices\n");
 		hang();
 	}
 
@@ -254,6 +399,7 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
 	      gd->malloc_ptr / 1024);
 #endif
 
+	debug("loaded - jumping to U-Boot...");
 	jump_to_image_no_args(&spl_image);
 }
 
@@ -276,3 +422,47 @@ void preloader_console_init(void)
 	spl_display_print();
 #endif
 }
+
+/**
+ * spl_relocate_stack_gd() - Relocate stack ready for board_init_r() execution
+ *
+ * Sometimes board_init_f() runs with a stack in SRAM but we want to use SDRAM
+ * for the main board_init_r() execution. This is typically because we need
+ * more stack space for things like the MMC sub-system.
+ *
+ * This function calculates the stack position, copies the global_data into
+ * place and returns the new stack position. The caller is responsible for
+ * setting up the sp register.
+ *
+ * @return new stack location, or 0 to use the same stack
+ */
+ulong spl_relocate_stack_gd(void)
+{
+#ifdef CONFIG_SPL_STACK_R
+	gd_t *new_gd;
+	ulong ptr;
+
+	/* Get stack position: use 8-byte alignment for ABI compliance */
+	ptr = CONFIG_SPL_STACK_R_ADDR - sizeof(gd_t);
+	ptr &= ~7;
+	new_gd = (gd_t *)ptr;
+	memcpy(new_gd, (void *)gd, sizeof(gd_t));
+	gd = new_gd;
+
+#ifdef CONFIG_SPL_SYS_MALLOC_SIMPLE
+	if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
+		if (!(gd->flags & GD_FLG_SPL_INIT))
+			panic_str("spl_init must be called before heap reloc");
+
+		ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
+		gd->malloc_base = ptr;
+		gd->malloc_limit = CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
+		gd->malloc_ptr = 0;
+	}
+#endif
+
+	return ptr;
+#else
+	return 0;
+#endif
+}