2 * Rick Bronson <rick@efn.org>
4 * Configuation settings for the AT91RM9200DK board.
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 * Adatped for KwikByte KB920x board from at91rm9200dk.h: 22APR2005
32 /* ARM asynchronous clock */
33 #define AT91C_MAIN_CLOCK 180000000 /* from 10 MHz crystal */
34 #define AT91C_MASTER_CLOCK 60000000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */
36 #define AT91_SLOW_CLOCK 32768 /* slow clock */
38 #define CONFIG_ARM920T 1 /* This is an ARM920T Core */
39 #define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */
40 /* Only define one of the following, based on board type */
41 /* #define CONFIG_KB9200 1 KwikByte KB9202 board */
42 /* #define CONFIG_KB9201 1 KwikByte KB9202 board */
43 #define CONFIG_KB9202 1 /* KwikByte KB9202 board */
45 #define CONFIG_KB920x 1 /* Any KB920x board */
46 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
47 #define USE_920T_MMU 1
49 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
50 #define CONFIG_SETUP_MEMORY_TAGS 1
51 #define CONFIG_INITRD_TAG 1
53 #define CONFIG_SKIP_LOWLEVEL_INIT
54 #define CONFIG_SKIP_RELOCATE_UBOOT /* undef this for direct boot from */
55 /* NOR flash without preloader */
57 #define CONFIG_SYS_LONGHELP
60 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
63 * Size of malloc() pool
65 #define CONFIG_SYS_MALLOC_LEN (roundup(CONFIG_ENV_SIZE,4096) + 128*1024)
66 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
68 #define CONFIG_BAUDRATE 115200
74 /* define one of these to choose the DBGU, USART0 or USART1 as console */
75 #define CONFIG_AT91RM9200_USART
80 #undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */
82 #undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */
84 #define CONFIG_BOOTDELAY 3
85 #define CONFIG_ENV_OVERWRITE 1
91 #define CONFIG_BOOTP_BOOTFILESIZE
92 #define CONFIG_BOOTP_BOOTPATH
93 #define CONFIG_BOOTP_GATEWAY
94 #define CONFIG_BOOTP_HOSTNAME
98 * Command line configuration.
100 #include <config_cmd_default.h>
102 #define CONFIG_CMD_I2C
103 #define CONFIG_CMD_PING
104 #define CONFIG_CMD_DHCP
106 #undef CONFIG_CMD_BDI
107 #undef CONFIG_CMD_FPGA
108 #undef CONFIG_CMD_MISC
111 #define CONFIG_NR_DRAM_BANKS 1
112 #define PHYS_SDRAM 0x20000000
113 #define PHYS_SDRAM_SIZE 0x2000000 /* 32 megs */
115 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM
116 #define CONFIG_SYS_MEMTEST_END CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - (512*1024)
118 #define CONFIG_NET_MULTI 1
119 #ifdef CONFIG_NET_MULTI
120 #define CONFIG_DRIVER_AT91EMAC 1
121 #define CONFIG_SYS_RX_ETH_BUFFER 8
123 #define CONFIG_DRIVER_ETHER 1
125 #define CONFIG_NET_RETRY_COUNT 20
127 #define CONFIG_SYS_FLASH_BASE 0x10000000
130 #define PHYS_FLASH_SIZE 0x1000000
132 #define PHYS_FLASH_SIZE 0x200000
135 #define CONFIG_SYS_MAX_FLASH_BANKS 1
136 #define CONFIG_SYS_MAX_FLASH_SECT 256
138 #define CONFIG_HARD_I2C
140 #define CONFIG_ENV_IS_IN_EEPROM
143 #define CONFIG_ENV_OFFSET 0x3E00
144 #define CONFIG_ENV_SIZE 0x0200
146 #define CONFIG_ENV_OFFSET 0x1000
147 #define CONFIG_ENV_SIZE 0x1000
149 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
150 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6
151 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
152 #define CONFIG_SYS_I2C_SPEED 50000
153 #define CONFIG_SYS_I2C_SLAVE 0 /* not used */
154 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
156 #define CONFIG_SYS_LOAD_ADDR 0x21000000 /* default load address */
158 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
160 #define CONFIG_SYS_PROMPT "U-Boot> " /* Monitor Command Prompt */
161 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
162 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
163 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
165 #define CONFIG_FLASH_CFI_DRIVER
166 #define CONFIG_SYS_FLASH_CFI
169 /*-----------------------------------------------------------------------
170 * Board specific extension for bd_info
172 * This structure is embedded in the global bd_info (bd_t) structure
173 * and can be used by the board specific code (eg board/...)
177 /* helper variable for board environment handling
179 * env_crc_valid == 0 => uninitialised
180 * env_crc_valid > 0 => environment crc in flash is valid
181 * env_crc_valid < 0 => environment crc in flash is invalid
187 #define CONFIG_SYS_HZ 1000
188 #define CONFIG_SYS_HZ_CLOCK AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */
189 /* AT91C_TC_TIMER_DIV1_CLOCK */
191 #define CONFIG_STACKSIZE (32*1024) /* regular stack */
193 #ifdef CONFIG_USE_IRQ
194 #error CONFIG_USE_IRQ not supported