1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2007-2008
4 * Stelian Pop <stelian@popies.net>
5 * Lead Tech Design <www.leadtechdesign.com>
7 * (C) Copyright 2009-2015
8 * Daniel Gorsulowski <daniel.gorsulowski@esd.eu>
9 * esd electronic system design gmbh <www.esd.eu>
11 * Configuation settings for the esd MEESC board.
18 * SoC must be defined first, before hardware.h is included.
19 * In this case SoC is defined in boards.cfg.
21 #include <asm/hardware.h>
24 * Warning: changing CONFIG_SYS_TEXT_BASE requires
25 * adapting the initial boot program.
26 * Since the linker has to swallow that define, we must use a pure
30 /* ARM asynchronous clock */
31 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* 32.768 kHz crystal */
32 #define CONFIG_SYS_AT91_MAIN_CLOCK 16000000/* 16.0 MHz crystal */
34 /* Misc CPU related */
35 #define CONFIG_SKIP_LOWLEVEL_INIT
36 #define CONFIG_SETUP_MEMORY_TAGS
37 #define CONFIG_INITRD_TAG
38 #define CONFIG_SERIAL_TAG
39 #define CONFIG_REVISION_TAG
40 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
49 #define CONFIG_BOOTP_BOOTFILESIZE
52 * SDRAM: 1 bank, min 32, max 128 MB
53 * Initialized before u-boot gets started.
55 #define PHYS_SDRAM ATMEL_BASE_CS1 /* 0x20000000 */
56 #define PHYS_SDRAM_SIZE 0x02000000 /* 32 MByte */
58 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
59 #define CONFIG_SYS_SDRAM_SIZE PHYS_SDRAM_SIZE
61 #define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + 0x00100000)
62 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x01E00000)
63 #define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x00100000)
66 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
67 * leaving the correct space for initial global data structure above
68 * that address while providing maximum stack area below.
70 #define CONFIG_SYS_INIT_SP_ADDR \
71 (ATMEL_BASE_SRAM0 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
74 #ifdef CONFIG_CMD_NAND
75 # define CONFIG_SYS_MAX_NAND_DEVICE 1
76 # define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 /* 0x40000000 */
77 # define CONFIG_SYS_NAND_DBW_8
78 # define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
79 # define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
80 # define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(15)
81 # define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PA(22)
87 #define CONFIG_NET_RETRY_COUNT 20
88 #undef CONFIG_RESET_PHY_R
90 /* hw-controller addresses */
91 #define CONFIG_ET1100_BASE 0x70000000
93 #ifdef CONFIG_SYS_USE_DATAFLASH
95 /* bootstrap + u-boot + env in dataflash on CS0 */
97 #elif CONFIG_SYS_USE_NANDFLASH
99 /* bootstrap + u-boot + env + linux in nandflash */
103 #define CONFIG_SYS_CBSIZE 512
106 * Size of malloc() pool
108 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + \