1 /* 2 * Copyright (C) 2011 3 * Heiko Schocher, DENX Software Engineering, hs@denx.de. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <nand.h> 10 11 /* 12 * The main entry for NAND booting. It's necessary that SDRAM is already 13 * configured and available since this code loads the main U-Boot image 14 * from NAND into SDRAM and starts it from there. 15 */ nand_boot(void)16void nand_boot(void) 17 { 18 __attribute__((noreturn)) void (*uboot)(void); 19 20 /* 21 * Load U-Boot image from NAND into RAM 22 */ 23 nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS, 24 CONFIG_SYS_NAND_U_BOOT_SIZE, 25 (void *)CONFIG_SYS_NAND_U_BOOT_DST); 26 27 #ifdef CONFIG_NAND_ENV_DST 28 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 29 (void *)CONFIG_NAND_ENV_DST); 30 31 #ifdef CONFIG_ENV_OFFSET_REDUND 32 nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, CONFIG_ENV_SIZE, 33 (void *)CONFIG_NAND_ENV_DST + CONFIG_ENV_SIZE); 34 #endif 35 #endif 36 37 /* 38 * Jump to U-Boot image 39 */ 40 uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START; 41 (*uboot)(); 42 } 43