1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Common part of configuration settings for the AT91 SAMA5 board.
5 * Copyright (C) 2015 Atmel Corporation
6 * Josh Wu <josh.wu@atmel.com>
9 #ifndef __AT91_SAMA5_COMMON_H
10 #define __AT91_SAMA5_COMMON_H
12 #include <linux/kconfig.h>
14 /* ARM asynchronous clock */
15 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768
16 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */
18 #ifndef CONFIG_SPL_BUILD
19 #define CONFIG_SKIP_LOWLEVEL_INIT
25 #define CONFIG_BOOTP_BOOTFILESIZE
28 #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \
29 "setenv dtb_name at91-${board_name}.dtb; " \
31 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
32 "fatload mmc 0:1 0x22000000 zImage; " \
33 "bootz 0x22000000 - 0x21000000"
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"
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"
57 /* Size of malloc() pool */
58 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)