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 /* u-boot env in sd/mmc card */ 57 #define CONFIG_ENV_IS_IN_FAT 58 #define CONFIG_FAT_WRITE 59 #define FAT_ENV_INTERFACE "mmc" 60 #define FAT_ENV_DEVICE_AND_PART "0" 61 #define FAT_ENV_FILE "uboot.env" 62 #define CONFIG_ENV_SIZE 0x4000 63 64 #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \ 65 "setenv dtb_name at91-${board_name}.dtb; " \ 66 "fi; " \ 67 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \ 68 "fatload mmc 0:1 0x22000000 zImage; " \ 69 "bootz 0x22000000 - 0x21000000" 70 #define CONFIG_BOOTARGS \ 71 "console=ttyS0,115200 earlyprintk " \ 72 "root=/dev/mmcblk0p2 rw rootwait" 73 #else 74 #define CONFIG_BOOTARGS \ 75 "console=ttyS0,115200 earlyprintk " \ 76 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 77 "256K(env),256k(env_redundent),256k(spare)," \ 78 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 79 "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs" 80 81 #ifdef CONFIG_SYS_USE_NANDFLASH 82 /* u-boot env in nand flash */ 83 #define CONFIG_ENV_IS_IN_NAND 84 #define CONFIG_ENV_OFFSET 0xc0000 85 #define CONFIG_ENV_OFFSET_REDUND 0x100000 86 #define CONFIG_ENV_SIZE 0x20000 87 #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \ 88 "nand read 0x22000000 0x200000 0x600000;" \ 89 "bootz 0x22000000 - 0x21000000" 90 #elif CONFIG_SYS_USE_SERIALFLASH 91 /* u-boot env in serial flash, by default is bus 0 and cs 0 */ 92 #define CONFIG_ENV_IS_IN_SPI_FLASH 93 #define CONFIG_ENV_OFFSET 0x4000 94 #define CONFIG_ENV_SIZE 0x4000 95 #define CONFIG_ENV_SECT_SIZE 0x1000 96 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 97 "sf read 0x21000000 0x60000 0xc000; " \ 98 "sf read 0x22000000 0x6c000 0x394000; " \ 99 "bootz 0x22000000 - 0x21000000" 100 #endif 101 102 #endif 103 104 #define CONFIG_BAUDRATE 115200 105 106 #define CONFIG_SYS_CBSIZE 256 107 #define CONFIG_SYS_MAXARGS 16 108 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 109 sizeof(CONFIG_SYS_PROMPT) + 16) 110 #define CONFIG_SYS_LONGHELP 111 #define CONFIG_CMDLINE_EDITING 112 #define CONFIG_AUTO_COMPLETE 113 #define CONFIG_SYS_HUSH_PARSER 114 115 /* Size of malloc() pool */ 116 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 117 118 #endif 119