1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Common part of configuration settings for the AT91 SAMA5 board. 4 * 5 * Copyright (C) 2015 Atmel Corporation 6 * Josh Wu <josh.wu@atmel.com> 7 */ 8 9 #ifndef __AT91_SAMA5_COMMON_H 10 #define __AT91_SAMA5_COMMON_H 11 12 #include <linux/kconfig.h> 13 14 /* ARM asynchronous clock */ 15 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 16 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */ 17 18 #ifndef CONFIG_SPL_BUILD 19 #define CONFIG_SKIP_LOWLEVEL_INIT 20 #endif 21 22 /* 23 * BOOTP options 24 */ 25 #define CONFIG_BOOTP_BOOTFILESIZE 26 27 #ifdef CONFIG_SD_BOOT 28 #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \ 29 "setenv dtb_name at91-${board_name}.dtb; " \ 30 "fi; " \ 31 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \ 32 "fatload mmc 0:1 0x22000000 zImage; " \ 33 "bootz 0x22000000 - 0x21000000" 34 35 #else 36 37 #ifdef CONFIG_NAND_BOOT 38 /* u-boot env in nand flash */ 39 #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \ 40 "nand read 0x22000000 0x200000 0x600000;" \ 41 "bootz 0x22000000 - 0x21000000" 42 #elif CONFIG_SPI_BOOT 43 /* u-boot env in serial flash, by default is bus 0 and cs 0 */ 44 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 45 "sf read 0x21000000 0x60000 0xc000; " \ 46 "sf read 0x22000000 0x6c000 0x394000; " \ 47 "bootz 0x22000000 - 0x21000000" 48 #elif CONFIG_QSPI_BOOT 49 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 50 "sf read 0x21000000 0x180000 0x80000; " \ 51 "sf read 0x22000000 0x200000 0x600000; " \ 52 "bootz 0x22000000 - 0x21000000" 53 #endif 54 55 #endif 56 57 /* Size of malloc() pool */ 58 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 59 60 #endif 61