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 #ifdef CONFIG_MX6_OCRAM_256KB 12 /* 13 * see Figure 8.4.1 in IMX6DQ Reference manuals: 14 * - IMX6DQ OCRAM (IRAM) is from 0x00907000 to 0x0093FFFF 15 * - BOOT ROM stack is at 0x0093FFB8 16 * - if icache/dcache is enabled (eFuse/strapping controlled) then the 17 * IMX BOOT ROM will setup MMU table at 0x00938000, therefore we need to 18 * fit between 0x00907000 and 0x00938000. 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 - 0x00938000 22 * or 192KB 23 */ 24 #define CONFIG_SPL_MAX_SIZE 0x30000 25 #define CONFIG_SPL_STACK 0x0093FFB8 26 /* 27 * Pad SPL to 196KB (4KB header + 192KB 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 0x31000 32 #else 33 /* 34 * see Figure 8-3 in IMX6SDL Reference manuals: 35 * - IMX6SDL OCRAM (IRAM) is from 0x00907000 to 0x0091FFFF 36 * - BOOT ROM stack is at 0x0091FFB8 37 * - if icache/dcache is enabled (eFuse/strapping controlled) then the 38 * IMX BOOT ROM will setup MMU table at 0x00918000, therefore we need to 39 * fit between 0x00907000 and 0x00918000. 40 * - Additionally the BOOT ROM loads what they consider the firmware image 41 * which consists of a 4K header in front of us that contains the IVT, DCD 42 * and some padding thus 'our' max size is really 0x00908000 - 0x00918000 43 * or 64KB 44 */ 45 #define CONFIG_SPL_MAX_SIZE 0x10000 46 #define CONFIG_SPL_STACK 0x0091FFB8 47 /* 48 * Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the 49 * SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a 50 * boot media (given that boot media specific offset is configured properly). 51 */ 52 #define CONFIG_SPL_PAD_TO 0x11000 53 54 #endif 55 56 /* MMC support */ 57 #if defined(CONFIG_SPL_MMC_SUPPORT) 58 #define CONFIG_SYS_MONITOR_LEN 409600 /* 400 KB */ 59 #endif 60 61 /* SATA support */ 62 #if defined(CONFIG_SPL_SATA_SUPPORT) 63 #define CONFIG_SPL_SATA_BOOT_DEVICE 0 64 #define CONFIG_SYS_SATA_FAT_BOOT_PARTITION 1 65 #endif 66 67 /* Define the payload for FAT/EXT support */ 68 #if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4) 69 # ifdef CONFIG_OF_CONTROL 70 # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot-dtb.img" 71 # else 72 # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 73 # endif 74 #endif 75 76 #if defined(CONFIG_MX6SX) || defined(CONFIG_MX6SL) || \ 77 defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL) 78 #define CONFIG_SPL_BSS_START_ADDR 0x88200000 79 #define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */ 80 #define CONFIG_SYS_SPL_MALLOC_START 0x88300000 81 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ 82 #else 83 #define CONFIG_SPL_BSS_START_ADDR 0x18200000 84 #define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */ 85 #define CONFIG_SYS_SPL_MALLOC_START 0x18300000 86 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ 87 #endif 88 #endif 89 90 #endif 91