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_ENV_VARS_UBOOT_CONFIG 28 29 /* general purpose I/O */ 30 #ifndef CONFIG_DM_GPIO 31 #define CONFIG_AT91_GPIO 32 #endif 33 34 35 /* 36 * BOOTP options 37 */ 38 #define CONFIG_BOOTP_BOOTFILESIZE 39 #define CONFIG_BOOTP_BOOTPATH 40 #define CONFIG_BOOTP_GATEWAY 41 #define CONFIG_BOOTP_HOSTNAME 42 43 /* 44 * Command line configuration. 45 */ 46 47 #ifdef CONFIG_SYS_USE_MMC 48 49 #ifdef CONFIG_ENV_IS_IN_MMC 50 /* Use raw reserved sectors to save environment */ 51 #define CONFIG_ENV_OFFSET 0x2000 52 #define CONFIG_ENV_SIZE 0x1000 53 #define CONFIG_SYS_MMC_ENV_DEV 0 54 #else 55 /* u-boot env in sd/mmc card */ 56 #define CONFIG_ENV_SIZE 0x4000 57 #endif 58 59 #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \ 60 "setenv dtb_name at91-${board_name}.dtb; " \ 61 "fi; " \ 62 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \ 63 "fatload mmc 0:1 0x22000000 zImage; " \ 64 "bootz 0x22000000 - 0x21000000" 65 #define CONFIG_BOOTARGS \ 66 "console=ttyS0,115200 earlyprintk " \ 67 "root=/dev/mmcblk0p2 rw rootwait" 68 #else 69 #define CONFIG_BOOTARGS \ 70 "console=ttyS0,115200 earlyprintk " \ 71 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 72 "256K(env),256k(env_redundant),256k(spare)," \ 73 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 74 "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs" 75 76 #ifdef CONFIG_SYS_USE_NANDFLASH 77 /* u-boot env in nand flash */ 78 #define CONFIG_ENV_OFFSET 0xc0000 79 #define CONFIG_ENV_OFFSET_REDUND 0x100000 80 #define CONFIG_ENV_SIZE 0x20000 81 #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \ 82 "nand read 0x22000000 0x200000 0x600000;" \ 83 "bootz 0x22000000 - 0x21000000" 84 #elif CONFIG_SYS_USE_SERIALFLASH 85 /* u-boot env in serial flash, by default is bus 0 and cs 0 */ 86 #define CONFIG_ENV_OFFSET 0x6000 87 #define CONFIG_ENV_SIZE 0x2000 88 #define CONFIG_ENV_SECT_SIZE 0x1000 89 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 90 "sf read 0x21000000 0x60000 0xc000; " \ 91 "sf read 0x22000000 0x6c000 0x394000; " \ 92 "bootz 0x22000000 - 0x21000000" 93 #endif 94 95 #endif 96 97 #define CONFIG_SYS_CBSIZE 256 98 #define CONFIG_SYS_MAXARGS 16 99 #define CONFIG_SYS_LONGHELP 100 #define CONFIG_CMDLINE_EDITING 101 #define CONFIG_AUTO_COMPLETE 102 103 /* Size of malloc() pool */ 104 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 105 106 #endif 107