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 */ nand_boot(void)15void 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 CONFIG_SYS_NAND_U_BOOT_SIZE, 24 (void *)CONFIG_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 *)CONFIG_SYS_NAND_U_BOOT_START; 40 (*uboot)(); 41 } 42