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 32 /* general purpose I/O */ 33 #define CONFIG_AT91_GPIO 34 35 36 /* 37 * BOOTP options 38 */ 39 #define CONFIG_BOOTP_BOOTFILESIZE 40 #define CONFIG_BOOTP_BOOTPATH 41 #define CONFIG_BOOTP_GATEWAY 42 #define CONFIG_BOOTP_HOSTNAME 43 44 /* 45 * Command line configuration. 46 */ 47 48 #ifdef CONFIG_SYS_USE_MMC 49 50 #ifdef CONFIG_ENV_IS_IN_MMC 51 /* Use raw reserved sectors to save environment */ 52 #define CONFIG_ENV_OFFSET 0x2000 53 #define CONFIG_ENV_SIZE 0x1000 54 #define CONFIG_SYS_MMC_ENV_DEV 0 55 #else 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 #endif 64 65 #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \ 66 "setenv dtb_name at91-${board_name}.dtb; " \ 67 "fi; " \ 68 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \ 69 "fatload mmc 0:1 0x22000000 zImage; " \ 70 "bootz 0x22000000 - 0x21000000" 71 #define CONFIG_BOOTARGS \ 72 "console=ttyS0,115200 earlyprintk " \ 73 "root=/dev/mmcblk0p2 rw rootwait" 74 #else 75 #define CONFIG_BOOTARGS \ 76 "console=ttyS0,115200 earlyprintk " \ 77 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 78 "256K(env),256k(env_redundent),256k(spare)," \ 79 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 80 "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs" 81 82 #ifdef CONFIG_SYS_USE_NANDFLASH 83 /* u-boot env in nand flash */ 84 #define CONFIG_ENV_IS_IN_NAND 85 #define CONFIG_ENV_OFFSET 0xc0000 86 #define CONFIG_ENV_OFFSET_REDUND 0x100000 87 #define CONFIG_ENV_SIZE 0x20000 88 #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \ 89 "nand read 0x22000000 0x200000 0x600000;" \ 90 "bootz 0x22000000 - 0x21000000" 91 #elif CONFIG_SYS_USE_SERIALFLASH 92 /* u-boot env in serial flash, by default is bus 0 and cs 0 */ 93 #define CONFIG_ENV_IS_IN_SPI_FLASH 94 #define CONFIG_ENV_OFFSET 0x6000 95 #define CONFIG_ENV_SIZE 0x2000 96 #define CONFIG_ENV_SECT_SIZE 0x1000 97 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 98 "sf read 0x21000000 0x60000 0xc000; " \ 99 "sf read 0x22000000 0x6c000 0x394000; " \ 100 "bootz 0x22000000 - 0x21000000" 101 #endif 102 103 #endif 104 105 #define CONFIG_BAUDRATE 115200 106 107 #define CONFIG_SYS_CBSIZE 256 108 #define CONFIG_SYS_MAXARGS 16 109 #define CONFIG_SYS_LONGHELP 110 #define CONFIG_CMDLINE_EDITING 111 #define CONFIG_AUTO_COMPLETE 112 113 /* Size of malloc() pool */ 114 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 115 116 #endif 117