#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)
{
- u32 header_size = sizeof(struct image_header);
+ spl_image->size = CONFIG_SYS_MONITOR_LEN;
+ spl_image->entry_point = CONFIG_SYS_UBOOT_START;
+#ifdef CONFIG_CPU_V7M
+ spl_image->entry_point |= 0x1;
+#endif
+ 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)
+{
if (image_get_magic(header) == IH_MAGIC) {
- if (spl_image.flags & SPL_COPY_PAYLOAD_ONLY) {
+#ifdef CONFIG_SPL_LEGACY_IMAGE_SUPPORT
+ u32 header_size = sizeof(struct image_header);
+
+ 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);
- 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);
+ spl_image->os = image_get_os(header);
+ spl_image->name = image_get_name(header);
+ debug("spl: payload image: %.*s load addr: 0x%lx size: %d\n",
+ (int)sizeof(spl_image->name), spl_image->name,
+ spl_image->load_addr, spl_image->size);
+#else
+ /* LEGACY image not supported */
+ debug("Legacy boot image support not enabled, proceeding to other boot methods");
+ return -EINVAL;
+#endif
} 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");
-#else
+#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%lx size: %d\n",
+ spl_image->load_addr, spl_image->size);
+ return 0;
+ }
+#endif
+
+#ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT
/* 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);
+#else
+ /* RAW image not supported, proceed to other boot methods. */
+ debug("Raw boot image support not enabled, proceeding to other boot methods");
+ return -EINVAL;
#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)(unsigned long)spl_image->entry_point;
+ (image_entry_noargs_t)spl_image->entry_point;
- debug("image entry point: 0x%X\n", spl_image->entry_point);
+ debug("image entry point: 0x%lX\n", spl_image->entry_point);
image_entry();
}
-#ifdef CONFIG_SPL_RAM_DEVICE
-static void spl_ram_load_image(void)
+static int spl_common_init(bool setup_malloc)
{
- const struct image_header *header;
+ int ret;
- /*
- * 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));
+ debug("spl_early_init()\n");
+
+#if defined(CONFIG_SYS_MALLOC_F_LEN)
+ if (setup_malloc) {
+#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 (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) {
+ ret = fdtdec_setup();
+ if (ret) {
+ debug("fdtdec_setup() returned error %d\n", ret);
+ return ret;
+ }
+ }
+ if (IS_ENABLED(CONFIG_SPL_DM)) {
+ /* With CONFIG_SPL_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;
+}
+
+int spl_early_init(void)
+{
+ int ret;
+
+ ret = spl_common_init(true);
+ if (ret)
+ return ret;
+ gd->flags |= GD_FLG_SPL_EARLY_INIT;
+
+ return 0;
+}
+
+int spl_init(void)
+{
+ int ret;
+ bool setup_malloc = !(IS_ENABLED(CONFIG_SPL_STACK_R) &&
+ IS_ENABLED(CONFIG_SPL_SYS_MALLOC_SIMPLE));
+
+ if (!(gd->flags & GD_FLG_SPL_EARLY_INIT)) {
+ ret = spl_common_init(setup_malloc);
+ if (ret)
+ return ret;
+ }
+ gd->flags |= GD_FLG_SPL_INIT;
+
+ return 0;
+}
+
+#ifndef BOOT_DEVICE_NONE
+#define BOOT_DEVICE_NONE 0xdeadbeef
+#endif
+
+__weak void board_boot_order(u32 *spl_boot_list)
+{
+ spl_boot_list[0] = spl_boot_device();
+}
+
+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;
+ }
- spl_parse_image_header(header);
+ /* Not found */
+ return NULL;
}
+
+static int spl_load_image(struct spl_image_info *spl_image,
+ struct spl_image_loader *loader)
+{
+ struct spl_boot_device bootdev;
+
+ bootdev.boot_device = loader->boot_device;
+ bootdev.boot_device_name = NULL;
+
+ return loader->load_image(spl_image, &bootdev);
+}
+
+/**
+ * boot_from_devices() - Try loading an booting U-Boot from a list of devices
+ *
+ * @spl_image: Place to put the image details if successful
+ * @spl_boot_list: List of boot devices to try
+ * @count: Number of elements in spl_boot_list
+ * @return 0 if OK, -ve on error
+ */
+static int boot_from_devices(struct spl_image_info *spl_image,
+ u32 spl_boot_list[], int count)
+{
+ int i;
+
+ for (i = 0; i < count && spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
+ struct spl_image_loader *loader;
+
+ loader = spl_ll_find_loader(spl_boot_list[i]);
+#if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
+ if (loader)
+ printf("Trying to boot from %s\n", loader->name);
+ else
+ puts("SPL: Unsupported Boot Device!\n");
#endif
+ if (loader && !spl_load_image(spl_image, loader))
+ return 0;
+ }
+
+ return -ENODEV;
+}
void board_init_r(gd_t *dummy1, ulong dummy2)
{
- u32 boot_device;
- int ret;
+ 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;
debug(">>spl:board_init_r()\n");
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 = CONFIG_SYS_MALLOC_F_LEN;
- gd->malloc_ptr = 0;
#endif
- if (IS_ENABLED(CONFIG_OF_CONTROL) &&
- !IS_ENABLED(CONFIG_SPL_DISABLE_OF_CONTROL)) {
- ret = fdtdec_setup();
- if (ret) {
- debug("fdtdec_setup() returned error %d\n", ret);
+ if (!(gd->flags & GD_FLG_SPL_INIT)) {
+ if (spl_init())
hang();
- }
}
- if (IS_ENABLED(CONFIG_SPL_DM)) {
- ret = dm_init_and_scan(true);
- if (ret) {
- debug("dm_init_and_scan() returned error %d\n", ret);
- hang();
- }
- }
-
#ifndef CONFIG_PPC
/*
* timer_init() does not exist on PPC systems. The timer is initialized
spl_board_init();
#endif
- boot_device = spl_boot_device();
- debug("boot device - %d\n", boot_device);
- switch (boot_device) {
-#ifdef CONFIG_SPL_RAM_DEVICE
- case BOOT_DEVICE_RAM:
- spl_ram_load_image();
- break;
-#endif
-#ifdef CONFIG_SPL_MMC_SUPPORT
- case BOOT_DEVICE_MMC1:
- case BOOT_DEVICE_MMC2:
- case BOOT_DEVICE_MMC2_2:
- spl_mmc_load_image();
- break;
-#endif
-#ifdef CONFIG_SPL_NAND_SUPPORT
- case BOOT_DEVICE_NAND:
- spl_nand_load_image();
- break;
-#endif
-#ifdef CONFIG_SPL_ONENAND_SUPPORT
- case BOOT_DEVICE_ONENAND:
- spl_onenand_load_image();
- break;
-#endif
-#ifdef CONFIG_SPL_NOR_SUPPORT
- case BOOT_DEVICE_NOR:
- spl_nor_load_image();
- break;
-#endif
-#ifdef CONFIG_SPL_YMODEM_SUPPORT
- case BOOT_DEVICE_UART:
- spl_ymodem_load_image();
- break;
-#endif
-#ifdef CONFIG_SPL_SPI_SUPPORT
- case BOOT_DEVICE_SPI:
- spl_spi_load_image();
- break;
-#endif
-#ifdef CONFIG_SPL_ETH_SUPPORT
- case BOOT_DEVICE_CPGMAC:
-#ifdef CONFIG_SPL_ETH_DEVICE
- spl_net_load_image(CONFIG_SPL_ETH_DEVICE);
-#else
- spl_net_load_image(NULL);
-#endif
- break;
-#endif
-#ifdef CONFIG_SPL_USBETH_SUPPORT
- case BOOT_DEVICE_USBETH:
- spl_net_load_image("usb_ether");
- break;
-#endif
-#ifdef CONFIG_SPL_USB_SUPPORT
- case BOOT_DEVICE_USB:
- spl_usb_load_image();
- break;
-#endif
-#ifdef CONFIG_SPL_SATA_SUPPORT
- case BOOT_DEVICE_SATA:
- 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");
+ memset(&spl_image, '\0', sizeof(spl_image));
+#ifdef CONFIG_SYS_SPL_ARGS_ADDR
+ spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
#endif
+ board_boot_order(spl_boot_list);
+
+ if (boot_from_devices(&spl_image, spl_boot_list,
+ ARRAY_SIZE(spl_boot_list))) {
+ 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);
#endif
default:
debug("Unsupported OS image.. Jumping nevertheless..\n");
gd->malloc_ptr / 1024);
#endif
+ debug("loaded - jumping to U-Boot...\n");
+ 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 CONFIG_IS_ENABLED(DM)
+ dm_fixup_for_gd_move(new_gd);
+#endif
+#if !defined(CONFIG_ARM)
gd = new_gd;
-
- /* Clear the BSS. */
- memset(__bss_start, 0, __bss_end - __bss_start);
-
+#endif
return ptr;
#else
return 0;