1 /* 2 * Copyright (C) 2014 Gateworks Corporation 3 * Author: Tim Harvey <tharvey@gateworks.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 #ifndef __IMX6_SPL_CONFIG_H 8 #define __IMX6_SPL_CONFIG_H 9 10 #ifdef CONFIG_SPL 11 /* 12 * see Figure 8-3 in IMX6DQ/IMX6SDL Reference manuals: 13 * - IMX6SDL OCRAM (IRAM) is from 0x00907000 to 0x0091FFFF 14 * - IMX6DQ has 2x IRAM of IMX6SDL but we intend to support IMX6SDL as well 15 * - BOOT ROM stack is at 0x0091FFB8 16 * - if icache/dcache is enabled (eFuse/strapping controlled) then the 17 * IMX BOOT ROM will setup MMU table at 0x00918000, therefore we need to 18 * fit between 0x00907000 and 0x00918000. 19 * - Additionally 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 0x00908000 - 0x00918000 22 * or 64KB 23 */ 24 #define CONFIG_SPL_TEXT_BASE 0x00908000 25 #define CONFIG_SPL_MAX_SIZE 0x10000 26 #define CONFIG_SPL_STACK 0x0091FFB8 27 /* 28 * Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the 29 * SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a 30 * boot media (given that boot media specific offset is configured properly). 31 */ 32 #define CONFIG_SPL_PAD_TO 0x11000 33 34 /* MMC support */ 35 #if defined(CONFIG_SPL_MMC_SUPPORT) 36 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 37 #define CONFIG_SYS_MONITOR_LEN 409600 /* 400 KB */ 38 #endif 39 40 /* SATA support */ 41 #if defined(CONFIG_SPL_SATA_SUPPORT) 42 #define CONFIG_SPL_SATA_BOOT_DEVICE 0 43 #define CONFIG_SYS_SATA_FAT_BOOT_PARTITION 1 44 #endif 45 46 /* Define the payload for FAT/EXT support */ 47 #if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT) 48 # ifdef CONFIG_OF_CONTROL 49 # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot-dtb.img" 50 # else 51 # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 52 # endif 53 #endif 54 55 #if defined(CONFIG_MX6SX) || defined(CONFIG_MX6SL) || \ 56 defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL) 57 #define CONFIG_SPL_BSS_START_ADDR 0x88200000 58 #define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */ 59 #define CONFIG_SYS_SPL_MALLOC_START 0x88300000 60 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ 61 #else 62 #define CONFIG_SPL_BSS_START_ADDR 0x18200000 63 #define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */ 64 #define CONFIG_SYS_SPL_MALLOC_START 0x18300000 65 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ 66 #endif 67 #endif 68 69 #endif 70