1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2014 Gateworks Corporation 4 * Author: Tim Harvey <tharvey@gateworks.com> 5 */ 6 #ifndef __IMX6_SPL_CONFIG_H 7 #define __IMX6_SPL_CONFIG_H 8 9 #ifdef CONFIG_SPL 10 /* 11 * see Figure 8-3 in IMX6DQ/IMX6SDL Reference manuals: 12 * - IMX6SDL OCRAM (IRAM) is from 0x00907000 to 0x0091FFFF 13 * - IMX6DQ has 2x IRAM of IMX6SDL but we intend to support IMX6SDL as well 14 * - BOOT ROM stack is at 0x0091FFB8 15 * - if icache/dcache is enabled (eFuse/strapping controlled) then the 16 * IMX BOOT ROM will setup MMU table at 0x00918000, therefore we need to 17 * fit between 0x00907000 and 0x00918000. 18 * - Additionally the BOOT ROM loads what they consider the firmware image 19 * which consists of a 4K header in front of us that contains the IVT, DCD 20 * and some padding thus 'our' max size is really 0x00908000 - 0x00918000 21 * or 64KB 22 */ 23 #define CONFIG_SPL_TEXT_BASE 0x00908000 24 #define CONFIG_SPL_MAX_SIZE 0x10000 25 #define CONFIG_SPL_STACK 0x0091FFB8 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_MMCSD_FS_BOOT_PARTITION 1 36 #define CONFIG_SYS_MONITOR_LEN 409600 /* 400 KB */ 37 #endif 38 39 /* SATA support */ 40 #if defined(CONFIG_SPL_SATA_SUPPORT) 41 #define CONFIG_SPL_SATA_BOOT_DEVICE 0 42 #define CONFIG_SYS_SATA_FAT_BOOT_PARTITION 1 43 #endif 44 45 /* Define the payload for FAT/EXT support */ 46 #if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT) 47 # ifdef CONFIG_OF_CONTROL 48 # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot-dtb.img" 49 # else 50 # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 51 # endif 52 #endif 53 54 #if defined(CONFIG_MX6SX) || defined(CONFIG_MX6SL) || \ 55 defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL) 56 #define CONFIG_SPL_BSS_START_ADDR 0x88200000 57 #define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */ 58 #define CONFIG_SYS_SPL_MALLOC_START 0x88300000 59 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ 60 #else 61 #define CONFIG_SPL_BSS_START_ADDR 0x18200000 62 #define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */ 63 #define CONFIG_SYS_SPL_MALLOC_START 0x18300000 64 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ 65 #endif 66 #endif 67 68 #endif 69