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 #include <asm/hardware.h> 14 15 #define CONFIG_SYS_TEXT_BASE 0x26f00000 16 17 /* ARM asynchronous clock */ 18 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 19 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */ 20 21 #define CONFIG_ARCH_CPU_INIT 22 23 #ifndef CONFIG_SPL_BUILD 24 #define CONFIG_SKIP_LOWLEVEL_INIT 25 #endif 26 27 #define CONFIG_BOARD_EARLY_INIT_F 28 #define CONFIG_DISPLAY_CPUINFO 29 30 #define CONFIG_ENV_VARS_UBOOT_CONFIG 31 #define CONFIG_CMD_BOOTZ 32 #define CONFIG_OF_LIBFDT /* Device Tree support */ 33 34 #define CONFIG_SYS_GENERIC_BOARD 35 36 /* general purpose I/O */ 37 #define CONFIG_AT91_GPIO 38 39 #define CONFIG_BOOTDELAY 3 40 41 /* 42 * BOOTP options 43 */ 44 #define CONFIG_BOOTP_BOOTFILESIZE 45 #define CONFIG_BOOTP_BOOTPATH 46 #define CONFIG_BOOTP_GATEWAY 47 #define CONFIG_BOOTP_HOSTNAME 48 49 /* 50 * Command line configuration. 51 */ 52 #define CONFIG_CMD_PING 53 #define CONFIG_CMD_DHCP 54 55 #ifdef CONFIG_SYS_USE_MMC 56 57 #ifdef CONFIG_ENV_IS_IN_MMC 58 /* Use raw reserved sectors to save environment */ 59 #define CONFIG_ENV_OFFSET 0x2000 60 #define CONFIG_ENV_SIZE 0x1000 61 #define CONFIG_SYS_MMC_ENV_DEV 0 62 #else 63 /* u-boot env in sd/mmc card */ 64 #define CONFIG_ENV_IS_IN_FAT 65 #define CONFIG_FAT_WRITE 66 #define FAT_ENV_INTERFACE "mmc" 67 #define FAT_ENV_DEVICE_AND_PART "0" 68 #define FAT_ENV_FILE "uboot.env" 69 #define CONFIG_ENV_SIZE 0x4000 70 #endif 71 72 #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \ 73 "setenv dtb_name at91-${board_name}.dtb; " \ 74 "fi; " \ 75 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \ 76 "fatload mmc 0:1 0x22000000 zImage; " \ 77 "bootz 0x22000000 - 0x21000000" 78 #define CONFIG_BOOTARGS \ 79 "console=ttyS0,115200 earlyprintk " \ 80 "root=/dev/mmcblk0p2 rw rootwait" 81 #else 82 #define CONFIG_BOOTARGS \ 83 "console=ttyS0,115200 earlyprintk " \ 84 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 85 "256K(env),256k(env_redundent),256k(spare)," \ 86 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 87 "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs" 88 89 #ifdef CONFIG_SYS_USE_NANDFLASH 90 /* u-boot env in nand flash */ 91 #define CONFIG_ENV_IS_IN_NAND 92 #define CONFIG_ENV_OFFSET 0xc0000 93 #define CONFIG_ENV_OFFSET_REDUND 0x100000 94 #define CONFIG_ENV_SIZE 0x20000 95 #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \ 96 "nand read 0x22000000 0x200000 0x600000;" \ 97 "bootz 0x22000000 - 0x21000000" 98 #elif CONFIG_SYS_USE_SERIALFLASH 99 /* u-boot env in serial flash, by default is bus 0 and cs 0 */ 100 #define CONFIG_ENV_IS_IN_SPI_FLASH 101 #define CONFIG_ENV_OFFSET 0x4000 102 #define CONFIG_ENV_SIZE 0x4000 103 #define CONFIG_ENV_SECT_SIZE 0x1000 104 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 105 "sf read 0x21000000 0x60000 0xc000; " \ 106 "sf read 0x22000000 0x6c000 0x394000; " \ 107 "bootz 0x22000000 - 0x21000000" 108 #endif 109 110 #endif 111 112 #define CONFIG_BAUDRATE 115200 113 114 #define CONFIG_SYS_CBSIZE 256 115 #define CONFIG_SYS_MAXARGS 16 116 #define CONFIG_SYS_LONGHELP 117 #define CONFIG_CMDLINE_EDITING 118 #define CONFIG_AUTO_COMPLETE 119 #define CONFIG_SYS_HUSH_PARSER 120 121 /* Size of malloc() pool */ 122 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 123 124 #endif 125