* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <dm.h>
#include <spl.h>
#include <asm/u-boot.h>
#include <nand.h>
#include <i2c.h>
#include <image.h>
#include <malloc.h>
+#include <dm/root.h>
#include <linux/compiler.h>
DECLARE_GLOBAL_DATA_PTR;
#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
#endif
#ifndef CONFIG_SYS_MONITOR_LEN
+/* Unknown U-Boot size, let's assume it will not be more than 200 KB */
#define CONFIG_SYS_MONITOR_LEN (200 * 1024)
#endif
/* Nothing to do! */
}
+void spl_set_header_raw_uboot(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";
+}
+
void spl_parse_image_header(const struct image_header *header)
{
u32 header_size = sizeof(struct image_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",
- spl_image.name, spl_image.load_addr, spl_image.size);
+ 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);
} 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);
- /* Let's assume U-Boot will not be more than 200 KB */
- 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";
+ spl_set_header_raw_uboot();
+#endif
}
}
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();
}
#endif
+int spl_init(void)
+{
+ int ret;
+
+ debug("spl_init()\n");
+#if 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_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;
+}
+
void board_init_r(gd_t *dummy1, ulong dummy2)
{
u32 boot_device;
+
debug(">>spl:board_init_r()\n");
-#ifdef CONFIG_SYS_SPL_MALLOC_START
+#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
#endif
#ifdef CONFIG_SPL_NAND_SUPPORT
case BOOT_DEVICE_NAND:
- spl_nand_load_image();
- break;
+ if (spl_nand_load_image() == 0)
+ break;
+ /* fallthru in case of failure to activate ymodem download */
#endif
#ifdef CONFIG_SPL_ONENAND_SUPPORT
case BOOT_DEVICE_ONENAND:
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:
- debug("SPL: Un-supported Boot Device\n");
+#if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
+ puts("SPL: Unsupported Boot Device!\n");
+#endif
hang();
}
default:
debug("Unsupported OS image.. Jumping nevertheless..\n");
}
+#if defined(CONFIG_SYS_MALLOC_F_LEN) && !defined(CONFIG_SYS_SPL_MALLOC_SIZE)
+ debug("SPL malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
+ gd->malloc_ptr / 1024);
+#endif
+
+ debug("loaded - jumping to U-Boot...");
jump_to_image_no_args(&spl_image);
}
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;
+
+ /* Clear the BSS. */
+ memset(__bss_start, 0, __bss_end - __bss_start);
+
+ return ptr;
+#else
+ return 0;
+#endif
+}
projects / karo-tx-uboot.git / blobdiff