#include <nand.h>
#include <fat.h>
#include <version.h>
-#include <i2c.h>
#include <image.h>
#include <malloc.h>
#include <dm/root.h>
#endif
u32 *boot_params_ptr = NULL;
-struct spl_image_info spl_image;
/* Define board data structure */
static bd_t bdata __attribute__ ((section(".data")));
+/*
+ * Board-specific Platform code can reimplement show_boot_progress () if needed
+ */
+__weak void show_boot_progress(int val) {}
+
/*
* Default function to determine if u-boot or the OS should
* be started. This implementation always returns 1.
puts("SPL: Direct Linux boot not active!\n");
return 1;
}
+
+/*
+ * Weak default function for arch specific zImage check. Return zero
+ * and fill start and end address if image is recognized.
+ */
+int __weak bootz_setup(ulong image, ulong *start, ulong *end)
+{
+ return 1;
+}
#endif
/*
/* Nothing to do! */
}
-void spl_set_header_raw_uboot(void)
+__weak void spl_board_prepare_for_boot(void)
{
- spl_image.size = CONFIG_SYS_MONITOR_LEN;
- spl_image.entry_point = CONFIG_SYS_UBOOT_START;
- spl_image.load_addr = CONFIG_SYS_TEXT_BASE;
- spl_image.os = IH_OS_U_BOOT;
- spl_image.name = "U-Boot";
+ /* Nothing to do! */
}
-void spl_parse_image_header(const struct image_header *header)
+void spl_set_header_raw_uboot(struct spl_image_info *spl_image)
+{
+ spl_image->size = CONFIG_SYS_MONITOR_LEN;
+ spl_image->entry_point = CONFIG_SYS_UBOOT_START;
+ spl_image->load_addr = CONFIG_SYS_TEXT_BASE;
+ spl_image->os = IH_OS_U_BOOT;
+ spl_image->name = "U-Boot";
+}
+
+int spl_parse_image_header(struct spl_image_info *spl_image,
+ const struct image_header *header)
{
u32 header_size = sizeof(struct image_header);
if (image_get_magic(header) == IH_MAGIC) {
- if (spl_image.flags & SPL_COPY_PAYLOAD_ONLY) {
+ if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY) {
/*
* On some system (e.g. powerpc), the load-address and
* entry-point is located at address 0. We can't load
* to 0-0x40. So skip header in this case.
*/
- spl_image.load_addr = image_get_load(header);
- spl_image.entry_point = image_get_ep(header);
- spl_image.size = image_get_data_size(header);
+ spl_image->load_addr = image_get_load(header);
+ spl_image->entry_point = image_get_ep(header);
+ spl_image->size = image_get_data_size(header);
} else {
- spl_image.entry_point = image_get_load(header);
+ spl_image->entry_point = image_get_load(header);
/* Load including the header */
- spl_image.load_addr = spl_image.entry_point -
+ spl_image->load_addr = spl_image->entry_point -
header_size;
- spl_image.size = image_get_data_size(header) +
+ spl_image->size = image_get_data_size(header) +
header_size;
}
- spl_image.os = image_get_os(header);
- spl_image.name = image_get_name(header);
+ spl_image->os = image_get_os(header);
+ spl_image->name = image_get_name(header);
debug("spl: payload image: %.*s load addr: 0x%x size: %d\n",
- (int)sizeof(spl_image.name), spl_image.name,
- spl_image.load_addr, spl_image.size);
+ (int)sizeof(spl_image->name), spl_image->name,
+ spl_image->load_addr, spl_image->size);
} else {
#ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
/*
* is bad, and thus should be skipped silently.
*/
panic("** no mkimage signature but raw image not supported");
+#endif
+
+#ifdef CONFIG_SPL_OS_BOOT
+ ulong start, end;
+
+ if (!bootz_setup((ulong)header, &start, &end)) {
+ spl_image->name = "Linux";
+ spl_image->os = IH_OS_LINUX;
+ spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
+ spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
+ spl_image->size = end - start;
+ debug("spl: payload zImage, load addr: 0x%x size: %d\n",
+ spl_image->load_addr, spl_image->size);
+ return 0;
+ }
+#endif
+
+#ifdef CONFIG_SPL_ABORT_ON_RAW_IMAGE
+ /* Signature not found, proceed to other boot methods. */
+ return -EINVAL;
#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();
+ spl_set_header_raw_uboot(spl_image);
#endif
}
+ return 0;
}
__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
image_entry();
}
-#ifdef CONFIG_SPL_RAM_DEVICE
-static void spl_ram_load_image(void)
+#ifndef CONFIG_SPL_LOAD_FIT_ADDRESS
+# define CONFIG_SPL_LOAD_FIT_ADDRESS 0
+#endif
+
+#if defined(CONFIG_SPL_RAM_DEVICE) || defined(CONFIG_SPL_DFU_SUPPORT)
+static ulong spl_ram_load_read(struct spl_load_info *load, ulong sector,
+ ulong count, void *buf)
{
- const struct image_header *header;
+ debug("%s: sector %lx, count %lx, buf %lx\n",
+ __func__, sector, count, (ulong)buf);
+ memcpy(buf, (void *)(CONFIG_SPL_LOAD_FIT_ADDRESS + sector), count);
+ return count;
+}
- /*
- * Get the header. It will point to an address defined by handoff
- * which will tell where the image located inside the flash. For
- * now, it will temporary fixed to address pointed by U-Boot.
- */
- header = (struct image_header *)
- (CONFIG_SYS_TEXT_BASE - sizeof(struct image_header));
+static int spl_ram_load_image(struct spl_image_info *spl_image,
+ struct spl_boot_device *bootdev)
+{
+ struct image_header *header;
+
+ header = (struct image_header *)CONFIG_SPL_LOAD_FIT_ADDRESS;
+
+#if defined(CONFIG_SPL_DFU_SUPPORT)
+ if (bootdev->boot_device == BOOT_DEVICE_DFU)
+ spl_dfu_cmd(0, "dfu_alt_info_ram", "ram", "0");
+#endif
+
+ if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
+ image_get_magic(header) == FDT_MAGIC) {
+ struct spl_load_info load;
+
+ debug("Found FIT\n");
+ load.bl_len = 1;
+ load.read = spl_ram_load_read;
+ spl_load_simple_fit(spl_image, &load, 0, header);
+ } else {
+ debug("Legacy image\n");
+ /*
+ * Get the header. It will point to an address defined by
+ * handoff which will tell where the image located inside
+ * the flash. For now, it will temporary fixed to address
+ * pointed by U-Boot.
+ */
+ header = (struct image_header *)
+ (CONFIG_SYS_TEXT_BASE - sizeof(struct image_header));
- spl_parse_image_header(header);
+ spl_parse_image_header(spl_image, header);
+ }
+
+ return 0;
}
+SPL_LOAD_IMAGE_METHOD(0, BOOT_DEVICE_RAM, spl_ram_load_image);
+#if defined(CONFIG_SPL_DFU_SUPPORT)
+SPL_LOAD_IMAGE_METHOD(0, BOOT_DEVICE_DFU, spl_ram_load_image);
+#endif
#endif
int spl_init(void)
debug("spl_init()\n");
#if defined(CONFIG_SYS_MALLOC_F_LEN)
+#ifdef CONFIG_MALLOC_F_ADDR
+ gd->malloc_base = CONFIG_MALLOC_F_ADDR;
+#endif
gd->malloc_limit = CONFIG_SYS_MALLOC_F_LEN;
gd->malloc_ptr = 0;
#endif
- if (IS_ENABLED(CONFIG_OF_CONTROL) &&
- !IS_ENABLED(CONFIG_SPL_DISABLE_OF_CONTROL)) {
+ if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) {
ret = fdtdec_setup();
if (ret) {
debug("fdtdec_setup() returned error %d\n", ret);
}
}
if (IS_ENABLED(CONFIG_SPL_DM)) {
- ret = dm_init_and_scan(true);
+ /* With CONFIG_OF_PLATDATA, bring in all devices */
+ ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
if (ret) {
debug("dm_init_and_scan() returned error %d\n", ret);
return ret;
return 0;
}
-void board_init_r(gd_t *dummy1, ulong dummy2)
-{
- u32 boot_device;
+#ifndef BOOT_DEVICE_NONE
+#define BOOT_DEVICE_NONE 0xdeadbeef
+#endif
- debug(">>spl:board_init_r()\n");
+__weak void board_boot_order(u32 *spl_boot_list)
+{
+ spl_boot_list[0] = spl_boot_device();
+}
-#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();
+#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
+__weak void spl_board_announce_boot_device(void) { }
#endif
-#ifdef CONFIG_SPL_BOARD_INIT
- spl_board_init();
-#endif
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+struct boot_device_name {
+ u32 boot_dev;
+ const char *name;
+};
- boot_device = spl_boot_device();
- debug("boot device - %d\n", boot_device);
- switch (boot_device) {
+struct boot_device_name boot_name_table[] = {
#ifdef CONFIG_SPL_RAM_DEVICE
- case BOOT_DEVICE_RAM:
- spl_ram_load_image();
- break;
+ { BOOT_DEVICE_RAM, "RAM" },
#endif
#ifdef CONFIG_SPL_MMC_SUPPORT
- case BOOT_DEVICE_MMC1:
- case BOOT_DEVICE_MMC2:
- case BOOT_DEVICE_MMC2_2:
- spl_mmc_load_image();
- break;
+ { BOOT_DEVICE_MMC1, "MMC1" },
+ { BOOT_DEVICE_MMC2, "MMC2" },
+ { BOOT_DEVICE_MMC2_2, "MMC2_2" },
#endif
#ifdef CONFIG_SPL_NAND_SUPPORT
- case BOOT_DEVICE_NAND:
- spl_nand_load_image();
- break;
+ { BOOT_DEVICE_NAND, "NAND" },
#endif
#ifdef CONFIG_SPL_ONENAND_SUPPORT
- case BOOT_DEVICE_ONENAND:
- spl_onenand_load_image();
- break;
+ { BOOT_DEVICE_ONENAND, "OneNAND" },
#endif
#ifdef CONFIG_SPL_NOR_SUPPORT
- case BOOT_DEVICE_NOR:
- spl_nor_load_image();
- break;
+ { BOOT_DEVICE_NOR, "NOR" },
#endif
#ifdef CONFIG_SPL_YMODEM_SUPPORT
- case BOOT_DEVICE_UART:
- spl_ymodem_load_image();
- break;
+ { BOOT_DEVICE_UART, "UART" },
#endif
-#ifdef CONFIG_SPL_SPI_SUPPORT
- case BOOT_DEVICE_SPI:
- spl_spi_load_image();
- break;
+#if defined(CONFIG_SPL_SPI_SUPPORT) || defined(CONFIG_SPL_SPI_FLASH_SUPPORT)
+ { BOOT_DEVICE_SPI, "SPI" },
#endif
#ifdef CONFIG_SPL_ETH_SUPPORT
- case BOOT_DEVICE_CPGMAC:
#ifdef CONFIG_SPL_ETH_DEVICE
- spl_net_load_image(CONFIG_SPL_ETH_DEVICE);
+ { BOOT_DEVICE_CPGMAC, "eth device" },
#else
- spl_net_load_image(NULL);
+ { BOOT_DEVICE_CPGMAC, "net" },
#endif
- break;
#endif
#ifdef CONFIG_SPL_USBETH_SUPPORT
- case BOOT_DEVICE_USBETH:
- spl_net_load_image("usb_ether");
- break;
+ { BOOT_DEVICE_USBETH, "USB eth" },
#endif
#ifdef CONFIG_SPL_USB_SUPPORT
- case BOOT_DEVICE_USB:
- spl_usb_load_image();
- break;
+ { BOOT_DEVICE_USB, "USB" },
+#endif
+#ifdef CONFIG_SPL_DFU_SUPPORT
+ { BOOT_DEVICE_DFU, "USB DFU" },
#endif
#ifdef CONFIG_SPL_SATA_SUPPORT
- case BOOT_DEVICE_SATA:
- spl_sata_load_image();
- break;
+ { 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
- case BOOT_DEVICE_BOARD:
- spl_board_load_image();
- break;
+ if (boot_device == BOOT_DEVICE_BOARD) {
+ spl_board_announce_boot_device();
+ puts("\n");
+ return;
+ }
#endif
- default:
+ 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 struct spl_image_loader *spl_ll_find_loader(uint boot_device)
+{
+ struct spl_image_loader *drv =
+ ll_entry_start(struct spl_image_loader, spl_image_loader);
+ const int n_ents =
+ ll_entry_count(struct spl_image_loader, spl_image_loader);
+ struct spl_image_loader *entry;
+
+ for (entry = drv; entry != drv + n_ents; entry++) {
+ if (boot_device == entry->boot_device)
+ return entry;
+ }
+
+ /* Not found */
+ return NULL;
+}
+
+static int spl_load_image(struct spl_image_info *spl_image, u32 boot_device)
+{
+ struct spl_boot_device bootdev;
+ struct spl_image_loader *loader = spl_ll_find_loader(boot_device);
+
+ bootdev.boot_device = boot_device;
+ bootdev.boot_device_name = NULL;
+ if (loader)
+ return loader->load_image(spl_image, &bootdev);
+
#if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
- puts("SPL: Unsupported Boot Device!\n");
+ puts("SPL: Unsupported Boot Device!\n");
#endif
+ return -ENODEV;
+}
+
+void board_init_r(gd_t *dummy1, ulong dummy2)
+{
+ u32 spl_boot_list[] = {
+ BOOT_DEVICE_NONE,
+ BOOT_DEVICE_NONE,
+ BOOT_DEVICE_NONE,
+ BOOT_DEVICE_NONE,
+ BOOT_DEVICE_NONE,
+ };
+ struct spl_image_info spl_image;
+ 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
+
+ memset(&spl_image, '\0', sizeof(spl_image));
+ 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_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();
}
case IH_OS_LINUX:
debug("Jumping to Linux\n");
spl_board_prepare_for_linux();
- jump_to_image_linux((void *)CONFIG_SYS_SPL_ARGS_ADDR);
+ jump_to_image_linux(&spl_image,
+ (void *)CONFIG_SYS_SPL_ARGS_ADDR);
#endif
default:
debug("Unsupported OS image.. Jumping nevertheless..\n");
#endif
debug("loaded - jumping to U-Boot...");
+ spl_board_prepare_for_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) {
+ 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_ADDR - 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;