drivers/mtd/nand/raw/nand_spl_load.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2011
   4  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
   5  */
   6
   7 #include <common.h>
   8 #include <nand.h>
   9
  10 /*
  11  * The main entry for NAND booting. It's necessary that SDRAM is already
  12  * configured and available since this code loads the main U-Boot image
  13  * from NAND into SDRAM and starts it from there.
  14  */
  15 void nand_boot(void)
  16 {
  17         __attribute__((noreturn)) void (*uboot)(void);
  18
  19         /*
  20          * Load U-Boot image from NAND into RAM
  21          */
  22         nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
  23                         CFG_SYS_NAND_U_BOOT_SIZE,
  24                         (void *)CFG_SYS_NAND_U_BOOT_DST);
  25
  26 #ifdef CONFIG_NAND_ENV_DST
  27         nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
  28                         (void *)CONFIG_NAND_ENV_DST);
  29
  30 #ifdef CONFIG_ENV_OFFSET_REDUND
  31         nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, CONFIG_ENV_SIZE,
  32                         (void *)CONFIG_NAND_ENV_DST + CONFIG_ENV_SIZE);
  33 #endif
  34 #endif
  35
  36         /*
  37          * Jump to U-Boot image
  38          */
  39         uboot = (void *)CFG_SYS_NAND_U_BOOT_START;
  40         (*uboot)();
  41 }