1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * SPL definitions for the i.MX7 SPL 4 * 5 * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com 6 * 7 * Author: Uri Mashiach <uri.mashiach@compulab.co.il> 8 */ 9 10 #ifndef __IMX7_SPL_CONFIG_H 11 #define __IMX7_SPL_CONFIG_H 12 13 #ifdef CONFIG_SPL 14 /* 15 * see figure 6-22 in i.MX 7Dual/Solo Reference manuals: 16 * - IMX7D/S OCRAM free area RAM (OCRAM) is from 0x00910000 to 17 * 0x00946C00. 18 * - Set the stack at the end of the free area section, at 0x00946BB8. 19 * - The BOOT ROM loads what they consider the firmware image 20 * which consists of a 4K header in front of us that contains the IVT, DCD 21 * and some padding thus 'our' max size is really 0x00946BB8 - 0x00911000. 22 * 64KB is more then enough for the SPL. 23 */ 24 #define CONFIG_SPL_MAX_SIZE 0x10000 25 #define CONFIG_SPL_STACK 0x00946BB8 26 /* 27 * Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the 28 * SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a 29 * boot media (given that boot media specific offset is configured properly). 30 */ 31 #define CONFIG_SPL_PAD_TO 0x11000 32 33 /* MMC support */ 34 #if defined(CONFIG_SPL_MMC_SUPPORT) 35 #define CONFIG_SYS_MONITOR_LEN 409600 /* 400 KB */ 36 #endif 37 38 /* Define the payload for FAT/EXT support */ 39 #if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4) 40 # ifdef CONFIG_OF_CONTROL 41 # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot-dtb.img" 42 # else 43 # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 44 # endif 45 #endif 46 47 #define CONFIG_SPL_BSS_START_ADDR 0x88200000 48 #define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */ 49 #define CONFIG_SYS_SPL_MALLOC_START 0x88300000 50 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ 51 52 #endif /* CONFIG_SPL */ 53 54 #endif /* __IMX7_SPL_CONFIG_H */ 55