/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) 2014 Gateworks Corporation * Author: Tim Harvey */ #ifndef __IMX6_SPL_CONFIG_H #define __IMX6_SPL_CONFIG_H #ifdef CONFIG_SPL #ifdef CONFIG_MX6_OCRAM_256KB /* * see Figure 8.4.1 in IMX6DQ Reference manuals: * - IMX6DQ OCRAM (IRAM) is from 0x00907000 to 0x0093FFFF * - BOOT ROM stack is at 0x0093FFB8 * - if icache/dcache is enabled (eFuse/strapping controlled) then the * IMX BOOT ROM will setup MMU table at 0x00938000, therefore we need to * fit between 0x00907000 and 0x00938000. * - Additionally the BOOT ROM loads what they consider the firmware image * which consists of a 4K header in front of us that contains the IVT, DCD * and some padding thus 'our' max size is really 0x00908000 - 0x00938000 * or 192KB */ #define CONFIG_SPL_MAX_SIZE 0x30000 #define CONFIG_SPL_STACK 0x0093FFB8 /* * Pad SPL to 196KB (4KB header + 192KB max size). This allows to write the * SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a * boot media (given that boot media specific offset is configured properly). */ #define CONFIG_SPL_PAD_TO 0x31000 #else /* * see Figure 8-3 in IMX6SDL Reference manuals: * - IMX6SDL OCRAM (IRAM) is from 0x00907000 to 0x0091FFFF * - BOOT ROM stack is at 0x0091FFB8 * - if icache/dcache is enabled (eFuse/strapping controlled) then the * IMX BOOT ROM will setup MMU table at 0x00918000, therefore we need to * fit between 0x00907000 and 0x00918000. * - Additionally the BOOT ROM loads what they consider the firmware image * which consists of a 4K header in front of us that contains the IVT, DCD * and some padding thus 'our' max size is really 0x00908000 - 0x00918000 * or 64KB */ #define CONFIG_SPL_MAX_SIZE 0x10000 #define CONFIG_SPL_STACK 0x0091FFB8 /* * Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the * SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a * boot media (given that boot media specific offset is configured properly). */ #define CONFIG_SPL_PAD_TO 0x11000 #endif /* MMC support */ #if defined(CONFIG_SPL_MMC_SUPPORT) #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 #define CONFIG_SYS_MONITOR_LEN 409600 /* 400 KB */ #endif /* SATA support */ #if defined(CONFIG_SPL_SATA_SUPPORT) #define CONFIG_SPL_SATA_BOOT_DEVICE 0 #define CONFIG_SYS_SATA_FAT_BOOT_PARTITION 1 #endif /* Define the payload for FAT/EXT support */ #if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4) # ifdef CONFIG_OF_CONTROL # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot-dtb.img" # else # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" # endif #endif #if defined(CONFIG_MX6SX) || defined(CONFIG_MX6SL) || \ defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL) #define CONFIG_SPL_BSS_START_ADDR 0x88200000 #define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */ #define CONFIG_SYS_SPL_MALLOC_START 0x88300000 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ #else #define CONFIG_SPL_BSS_START_ADDR 0x18200000 #define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */ #define CONFIG_SYS_SPL_MALLOC_START 0x18300000 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ #endif #endif #endif