1 /* 2 * Common part of configuration settings for the AT91 SAMA5 board. 3 * 4 * Copyright (C) 2015 Atmel Corporation 5 * Josh Wu <josh.wu@atmel.com> 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef __AT91_SAMA5_COMMON_H 11 #define __AT91_SAMA5_COMMON_H 12 13 #define CONFIG_SYS_TEXT_BASE 0x26f00000 14 15 /* ARM asynchronous clock */ 16 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 17 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */ 18 19 #define CONFIG_ARCH_CPU_INIT 20 21 #ifndef CONFIG_SPL_BUILD 22 #define CONFIG_SKIP_LOWLEVEL_INIT 23 #endif 24 25 #define CONFIG_ENV_VARS_UBOOT_CONFIG 26 27 /* general purpose I/O */ 28 #ifndef CONFIG_DM_GPIO 29 #define CONFIG_AT91_GPIO 30 #endif 31 32 33 /* 34 * BOOTP options 35 */ 36 #define CONFIG_BOOTP_BOOTFILESIZE 37 #define CONFIG_BOOTP_BOOTPATH 38 #define CONFIG_BOOTP_GATEWAY 39 #define CONFIG_BOOTP_HOSTNAME 40 41 /* 42 * Command line configuration. 43 */ 44 45 #ifdef CONFIG_SD_BOOT 46 47 #ifdef CONFIG_ENV_IS_IN_MMC 48 /* Use raw reserved sectors to save environment */ 49 #define CONFIG_ENV_OFFSET 0x2000 50 #define CONFIG_ENV_SIZE 0x1000 51 #define CONFIG_SYS_MMC_ENV_DEV 0 52 #else 53 /* u-boot env in sd/mmc card */ 54 #define CONFIG_ENV_SIZE 0x4000 55 #endif 56 57 #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \ 58 "setenv dtb_name at91-${board_name}.dtb; " \ 59 "fi; " \ 60 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \ 61 "fatload mmc 0:1 0x22000000 zImage; " \ 62 "bootz 0x22000000 - 0x21000000" 63 64 #else 65 66 #ifdef CONFIG_NAND_BOOT 67 /* u-boot env in nand flash */ 68 #define CONFIG_ENV_OFFSET 0xc0000 69 #define CONFIG_ENV_OFFSET_REDUND 0x100000 70 #define CONFIG_ENV_SIZE 0x20000 71 #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \ 72 "nand read 0x22000000 0x200000 0x600000;" \ 73 "bootz 0x22000000 - 0x21000000" 74 #elif CONFIG_SPI_BOOT 75 /* u-boot env in serial flash, by default is bus 0 and cs 0 */ 76 #define CONFIG_ENV_OFFSET 0x6000 77 #define CONFIG_ENV_SIZE 0x2000 78 #define CONFIG_ENV_SECT_SIZE 0x1000 79 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 80 "sf read 0x21000000 0x60000 0xc000; " \ 81 "sf read 0x22000000 0x6c000 0x394000; " \ 82 "bootz 0x22000000 - 0x21000000" 83 #endif 84 85 #endif 86 87 #define CONFIG_SYS_LONGHELP 88 #define CONFIG_CMDLINE_EDITING 89 #define CONFIG_AUTO_COMPLETE 90 91 /* Size of malloc() pool */ 92 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 93 94 #endif 95