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_CACHELINE_SIZE 32 16 17 #define CONFIG_SYS_TEXT_BASE 0x26f00000 18 19 /* ARM asynchronous clock */ 20 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 21 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */ 22 23 #define CONFIG_ARCH_CPU_INIT 24 25 #ifndef CONFIG_SPL_BUILD 26 #define CONFIG_SKIP_LOWLEVEL_INIT 27 #endif 28 29 #define CONFIG_BOARD_EARLY_INIT_F 30 #define CONFIG_DISPLAY_CPUINFO 31 32 #define CONFIG_ENV_VARS_UBOOT_CONFIG 33 #define CONFIG_CMD_BOOTZ 34 #define CONFIG_OF_LIBFDT /* Device Tree support */ 35 36 37 /* general purpose I/O */ 38 #define CONFIG_AT91_GPIO 39 40 #define CONFIG_BOOTDELAY 3 41 42 /* 43 * BOOTP options 44 */ 45 #define CONFIG_BOOTP_BOOTFILESIZE 46 #define CONFIG_BOOTP_BOOTPATH 47 #define CONFIG_BOOTP_GATEWAY 48 #define CONFIG_BOOTP_HOSTNAME 49 50 /* 51 * Command line configuration. 52 */ 53 #define CONFIG_CMD_PING 54 #define CONFIG_CMD_DHCP 55 56 #ifdef CONFIG_SYS_USE_MMC 57 58 #ifdef CONFIG_ENV_IS_IN_MMC 59 /* Use raw reserved sectors to save environment */ 60 #define CONFIG_ENV_OFFSET 0x2000 61 #define CONFIG_ENV_SIZE 0x1000 62 #define CONFIG_SYS_MMC_ENV_DEV 0 63 #else 64 /* u-boot env in sd/mmc card */ 65 #define CONFIG_ENV_IS_IN_FAT 66 #define CONFIG_FAT_WRITE 67 #define FAT_ENV_INTERFACE "mmc" 68 #define FAT_ENV_DEVICE_AND_PART "0" 69 #define FAT_ENV_FILE "uboot.env" 70 #define CONFIG_ENV_SIZE 0x4000 71 #endif 72 73 #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \ 74 "setenv dtb_name at91-${board_name}.dtb; " \ 75 "fi; " \ 76 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \ 77 "fatload mmc 0:1 0x22000000 zImage; " \ 78 "bootz 0x22000000 - 0x21000000" 79 #define CONFIG_BOOTARGS \ 80 "console=ttyS0,115200 earlyprintk " \ 81 "root=/dev/mmcblk0p2 rw rootwait" 82 #else 83 #define CONFIG_BOOTARGS \ 84 "console=ttyS0,115200 earlyprintk " \ 85 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 86 "256K(env),256k(env_redundent),256k(spare)," \ 87 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 88 "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs" 89 90 #ifdef CONFIG_SYS_USE_NANDFLASH 91 /* u-boot env in nand flash */ 92 #define CONFIG_ENV_IS_IN_NAND 93 #define CONFIG_ENV_OFFSET 0xc0000 94 #define CONFIG_ENV_OFFSET_REDUND 0x100000 95 #define CONFIG_ENV_SIZE 0x20000 96 #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \ 97 "nand read 0x22000000 0x200000 0x600000;" \ 98 "bootz 0x22000000 - 0x21000000" 99 #elif CONFIG_SYS_USE_SERIALFLASH 100 /* u-boot env in serial flash, by default is bus 0 and cs 0 */ 101 #define CONFIG_ENV_IS_IN_SPI_FLASH 102 #define CONFIG_ENV_OFFSET 0x6000 103 #define CONFIG_ENV_SIZE 0x2000 104 #define CONFIG_ENV_SECT_SIZE 0x1000 105 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 106 "sf read 0x21000000 0x60000 0xc000; " \ 107 "sf read 0x22000000 0x6c000 0x394000; " \ 108 "bootz 0x22000000 - 0x21000000" 109 #endif 110 111 #endif 112 113 #define CONFIG_BAUDRATE 115200 114 115 #define CONFIG_SYS_CBSIZE 256 116 #define CONFIG_SYS_MAXARGS 16 117 #define CONFIG_SYS_LONGHELP 118 #define CONFIG_CMDLINE_EDITING 119 #define CONFIG_AUTO_COMPLETE 120 #define CONFIG_SYS_HUSH_PARSER 121 122 /* Size of malloc() pool */ 123 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 124 125 #endif 126