1 /* 2 * SPL definitions for the i.MX7 SPL 3 * 4 * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com 5 * 6 * Author: Uri Mashiach <uri.mashiach@compulab.co.il> 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #ifndef __IMX7_SPL_CONFIG_H 12 #define __IMX7_SPL_CONFIG_H 13 14 #ifdef CONFIG_SPL 15 /* 16 * see figure 6-22 in i.MX 7Dual/Solo Reference manuals: 17 * - IMX7D/S OCRAM free area RAM (OCRAM) is from 0x00910000 to 18 * 0x00946C00. 19 * - Set the stack at the end of the free area section, at 0x00946BB8. 20 * - The BOOT ROM loads what they consider the firmware image 21 * which consists of a 4K header in front of us that contains the IVT, DCD 22 * and some padding thus 'our' max size is really 0x00946BB8 - 0x00911000. 23 * 64KB is more then enough for the SPL. 24 */ 25 #define CONFIG_SPL_TEXT_BASE 0x00911000 26 #define CONFIG_SPL_MAX_SIZE 0x10000 27 #define CONFIG_SPL_STACK 0x00946BB8 28 /* 29 * Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the 30 * SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a 31 * boot media (given that boot media specific offset is configured properly). 32 */ 33 #define CONFIG_SPL_PAD_TO 0x11000 34 35 /* MMC support */ 36 #if defined(CONFIG_SPL_MMC_SUPPORT) 37 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 38 #define CONFIG_SYS_MONITOR_LEN 409600 /* 400 KB */ 39 #endif 40 41 /* Define the payload for FAT/EXT support */ 42 #if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT) 43 # ifdef CONFIG_OF_CONTROL 44 # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot-dtb.img" 45 # else 46 # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 47 # endif 48 #endif 49 50 #define CONFIG_SPL_BSS_START_ADDR 0x88200000 51 #define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */ 52 #define CONFIG_SYS_SPL_MALLOC_START 0x88300000 53 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ 54 55 #endif /* CONFIG_SPL */ 56 57 #endif /* __IMX7_SPL_CONFIG_H */ 58