spl_image.name = "U-Boot";
}
-void spl_parse_image_header(const struct image_header *header)
+int spl_parse_image_header(const struct image_header *header)
{
u32 header_size = sizeof(struct image_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
}
+ return 0;
}
__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;
(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, "MMC1" },
+ { BOOT_DEVICE_MMC2, "MMC2" },
+ { BOOT_DEVICE_MMC2_2, "MMC2_2" },
+#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" },
+};
+
+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;
+ }
- boot_device = spl_boot_device();
- debug("boot device - %d\n", boot_device);
+ 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:
- spl_board_load_image();
- break;
+ 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();
}
gd->malloc_ptr / 1024);
#endif
+ debug("loaded - jumping to U-Boot...");
jump_to_image_no_args(&spl_image);
}
* 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.
+ * place, sets the new gd (except for ARM, for which setting GD within a C
+ * function may not always work) and returns the new stack position. The
+ * caller is responsible for setting up the sp register and, in the case
+ * of ARM, setting up gd.
+ *
+ * All of this is done using the same layout and alignments as done in
+ * board_init_f_init_reserve() / board_init_f_alloc_reserve().
*
* @return new stack location, or 0 to use the same stack
*/
{
#ifdef CONFIG_SPL_STACK_R
gd_t *new_gd;
- ulong ptr;
+ ulong ptr = CONFIG_SPL_STACK_R_ADDR;
+
+#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
/* Get stack position: use 8-byte alignment for ABI compliance */
- ptr = CONFIG_SPL_STACK_R - sizeof(gd_t);
- ptr &= ~7;
+ ptr = CONFIG_SPL_STACK_R_ADDR - roundup(sizeof(gd_t),16);
new_gd = (gd_t *)ptr;
memcpy(new_gd, (void *)gd, sizeof(gd_t));
+#if !defined(CONFIG_ARM)
gd = new_gd;
-
- /* Clear the BSS. */
- memset(__bss_start, 0, __bss_end - __bss_start);
-
+#endif
return ptr;
#else
return 0;
projects / platform / kernel / u-boot.git / blobdiff