| /* |
| * Common part of configuration settings for the AT91 SAMA5 board. |
| * |
| * Copyright (C) 2015 Atmel Corporation |
| * Josh Wu <josh.wu@atmel.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #ifndef __AT91_SAMA5_COMMON_H |
| #define __AT91_SAMA5_COMMON_H |
| |
| #include <asm/hardware.h> |
| |
| #define CONFIG_SYS_TEXT_BASE 0x26f00000 |
| |
| /* ARM asynchronous clock */ |
| #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 |
| #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */ |
| |
| #define CONFIG_ARCH_CPU_INIT |
| |
| #ifndef CONFIG_SPL_BUILD |
| #define CONFIG_SKIP_LOWLEVEL_INIT |
| #endif |
| |
| #define CONFIG_ENV_VARS_UBOOT_CONFIG |
| |
| /* general purpose I/O */ |
| #ifndef CONFIG_DM_GPIO |
| #define CONFIG_AT91_GPIO |
| #endif |
| |
| |
| /* |
| * BOOTP options |
| */ |
| #define CONFIG_BOOTP_BOOTFILESIZE |
| #define CONFIG_BOOTP_BOOTPATH |
| #define CONFIG_BOOTP_GATEWAY |
| #define CONFIG_BOOTP_HOSTNAME |
| |
| /* |
| * Command line configuration. |
| */ |
| |
| #ifdef CONFIG_SYS_USE_MMC |
| |
| #ifdef CONFIG_ENV_IS_IN_MMC |
| /* Use raw reserved sectors to save environment */ |
| #define CONFIG_ENV_OFFSET 0x2000 |
| #define CONFIG_ENV_SIZE 0x1000 |
| #define CONFIG_SYS_MMC_ENV_DEV 0 |
| #else |
| /* u-boot env in sd/mmc card */ |
| #define CONFIG_ENV_IS_IN_FAT |
| #define CONFIG_FAT_WRITE |
| #define FAT_ENV_INTERFACE "mmc" |
| #define FAT_ENV_DEVICE_AND_PART "0" |
| #define FAT_ENV_FILE "uboot.env" |
| #define CONFIG_ENV_SIZE 0x4000 |
| #endif |
| |
| #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \ |
| "setenv dtb_name at91-${board_name}.dtb; " \ |
| "fi; " \ |
| "fatload mmc 0:1 0x21000000 ${dtb_name}; " \ |
| "fatload mmc 0:1 0x22000000 zImage; " \ |
| "bootz 0x22000000 - 0x21000000" |
| #define CONFIG_BOOTARGS \ |
| "console=ttyS0,115200 earlyprintk " \ |
| "root=/dev/mmcblk0p2 rw rootwait" |
| #else |
| #define CONFIG_BOOTARGS \ |
| "console=ttyS0,115200 earlyprintk " \ |
| "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ |
| "256K(env),256k(env_redundant),256k(spare)," \ |
| "512k(dtb),6M(kernel)ro,-(rootfs) " \ |
| "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs" |
| |
| #ifdef CONFIG_SYS_USE_NANDFLASH |
| /* u-boot env in nand flash */ |
| #define CONFIG_ENV_IS_IN_NAND |
| #define CONFIG_ENV_OFFSET 0xc0000 |
| #define CONFIG_ENV_OFFSET_REDUND 0x100000 |
| #define CONFIG_ENV_SIZE 0x20000 |
| #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \ |
| "nand read 0x22000000 0x200000 0x600000;" \ |
| "bootz 0x22000000 - 0x21000000" |
| #elif CONFIG_SYS_USE_SERIALFLASH |
| /* u-boot env in serial flash, by default is bus 0 and cs 0 */ |
| #define CONFIG_ENV_IS_IN_SPI_FLASH |
| #define CONFIG_ENV_OFFSET 0x6000 |
| #define CONFIG_ENV_SIZE 0x2000 |
| #define CONFIG_ENV_SECT_SIZE 0x1000 |
| #define CONFIG_BOOTCOMMAND "sf probe 0; " \ |
| "sf read 0x21000000 0x60000 0xc000; " \ |
| "sf read 0x22000000 0x6c000 0x394000; " \ |
| "bootz 0x22000000 - 0x21000000" |
| #endif |
| |
| #endif |
| |
| #define CONFIG_SYS_CBSIZE 256 |
| #define CONFIG_SYS_MAXARGS 16 |
| #define CONFIG_SYS_LONGHELP |
| #define CONFIG_CMDLINE_EDITING |
| #define CONFIG_AUTO_COMPLETE |
| |
| /* Size of malloc() pool */ |
| #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) |
| |
| #endif |