2 * (C) Copyright 2007-2008
3 * Stelian Pop <stelian@popies.net>
4 * Lead Tech Design <www.leadtechdesign.com>
6 * (C) Copyright 2009-2015
7 * Daniel Gorsulowski <daniel.gorsulowski@esd.eu>
8 * esd electronic system design gmbh <www.esd.eu>
10 * Configuation settings for the esd MEESC board.
12 * SPDX-License-Identifier: GPL-2.0+
19 * SoC must be defined first, before hardware.h is included.
20 * In this case SoC is defined in boards.cfg.
22 #include <asm/hardware.h>
25 * Warning: changing CONFIG_SYS_TEXT_BASE requires
26 * adapting the initial boot program.
27 * Since the linker has to swallow that define, we must use a pure
30 #define CONFIG_SYS_TEXT_BASE 0x21F00000
32 /* ARM asynchronous clock */
33 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* 32.768 kHz crystal */
34 #define CONFIG_SYS_AT91_MAIN_CLOCK 16000000/* 16.0 MHz crystal */
36 /* Misc CPU related */
37 #define CONFIG_SKIP_LOWLEVEL_INIT
38 #define CONFIG_ARCH_CPU_INIT
39 #define CONFIG_SETUP_MEMORY_TAGS
40 #define CONFIG_INITRD_TAG
41 #define CONFIG_SERIAL_TAG
42 #define CONFIG_REVISION_TAG
43 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
44 #define CONFIG_MISC_INIT_R /* Call misc_init_r */
46 #define CONFIG_PREBOOT /* enable preboot variable */
52 /* general purpose I/O */
53 #define CONFIG_AT91_GPIO
56 #define CONFIG_ATMEL_USART
57 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
58 #define CONFIG_USART_ID ATMEL_ID_SYS
59 #define CONFIG_BAUDRATE 115200
64 #define CONFIG_BOOTP_BOOTFILESIZE
65 #define CONFIG_BOOTP_BOOTPATH
66 #define CONFIG_BOOTP_GATEWAY
67 #define CONFIG_BOOTP_HOSTNAME
70 * Command line configuration.
73 #ifdef CONFIG_SYS_USE_NANDFLASH
74 #define CONFIG_CMD_NAND
78 #define CONFIG_AT91_LED
81 * SDRAM: 1 bank, min 32, max 128 MB
82 * Initialized before u-boot gets started.
84 #define PHYS_SDRAM ATMEL_BASE_CS1 /* 0x20000000 */
85 #define PHYS_SDRAM_SIZE 0x02000000 /* 32 MByte */
87 #define CONFIG_NR_DRAM_BANKS 1
88 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
89 #define CONFIG_SYS_SDRAM_SIZE PHYS_SDRAM_SIZE
91 #define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + 0x00100000)
92 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x01E00000)
93 #define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x00100000)
96 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
97 * leaving the correct space for initial global data structure above
98 * that address while providing maximum stack area below.
100 #define CONFIG_SYS_INIT_SP_ADDR \
101 (ATMEL_BASE_SRAM0 + 0x1000 - GENERATED_GBL_DATA_SIZE)
104 #ifdef CONFIG_SYS_USE_DATAFLASH
105 # define CONFIG_ATMEL_DATAFLASH_SPI
106 # define CONFIG_HAS_DATAFLASH
107 # define CONFIG_SYS_MAX_DATAFLASH_BANKS 1
108 # define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */
109 # define AT91_SPI_CLK 15000000
110 # define DATAFLASH_TCSS (0x1a << 16)
111 # define DATAFLASH_TCHS (0x1 << 24)
114 /* NOR flash is not populated, disable it */
115 #define CONFIG_SYS_NO_FLASH
118 #ifdef CONFIG_CMD_NAND
119 # define CONFIG_NAND_ATMEL
120 # define CONFIG_SYS_MAX_NAND_DEVICE 1
121 # define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 /* 0x40000000 */
122 # define CONFIG_SYS_NAND_DBW_8
123 # define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
124 # define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
125 # define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(15)
126 # define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PA(22)
132 #define CONFIG_NET_RETRY_COUNT 20
133 #undef CONFIG_RESET_PHY_R
135 /* hw-controller addresses */
136 #define CONFIG_ET1100_BASE 0x70000000
138 #ifdef CONFIG_SYS_USE_DATAFLASH
140 /* bootstrap + u-boot + env in dataflash on CS0 */
141 # define CONFIG_ENV_IS_IN_DATAFLASH
142 # define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + \
144 # define CONFIG_ENV_OFFSET 0x4200
145 # define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + \
147 # define CONFIG_ENV_SIZE 0x4200
149 #elif CONFIG_SYS_USE_NANDFLASH
151 /* bootstrap + u-boot + env + linux in nandflash */
152 # define CONFIG_ENV_IS_IN_NAND 1
153 # define CONFIG_ENV_OFFSET 0xC0000
154 # define CONFIG_ENV_SIZE 0x20000
158 #define CONFIG_SYS_CBSIZE 512
159 #define CONFIG_SYS_MAXARGS 16
160 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
161 sizeof(CONFIG_SYS_PROMPT) + 16)
162 #define CONFIG_SYS_LONGHELP
163 #define CONFIG_CMDLINE_EDITING
164 #define CONFIG_AUTO_COMPLETE
167 * Size of malloc() pool
169 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + \