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