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