1/* 2 * Rick Bronson <rick@efn.org> 3 * 4 * Configuation settings for the AT91RM9200DK board. 5 * 6 * See file CREDITS for list of people who contributed to this 7 * project. 8 * 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. 13 * 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. 18 * 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, 22 * MA 02111-1307 USA 23 */ 24 25/* 26 * Adatped for KwikByte KB920x board from at91rm9200dk.h: 22APR2005 27 */ 28 29#ifndef __CONFIG_H 30#define __CONFIG_H 31 32#define CONFIG_AT91_LEGACY 33 34/* ARM asynchronous clock */ 35#define AT91C_MAIN_CLOCK 180000000 /* from 10 MHz crystal */ 36#define AT91C_MASTER_CLOCK 60000000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */ 37 38#define AT91_SLOW_CLOCK 32768 /* slow clock */ 39 40#define CONFIG_ARM920T 1 /* This is an ARM920T Core */ 41#define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */ 42/* Only define one of the following, based on board type */ 43/* #define CONFIG_KB9200 1 KwikByte KB9202 board */ 44/* #define CONFIG_KB9201 1 KwikByte KB9202 board */ 45#define CONFIG_KB9202 1 /* KwikByte KB9202 board */ 46 47#define CONFIG_KB920x 1 /* Any KB920x board */ 48#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ 49#define USE_920T_MMU 1 50 51#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 52#define CONFIG_SETUP_MEMORY_TAGS 1 53#define CONFIG_INITRD_TAG 1 54 55#define CONFIG_SKIP_LOWLEVEL_INIT 56 57#define CONFIG_SYS_LONGHELP 58 59#ifndef roundup 60#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 61#endif 62/* 63 * Size of malloc() pool 64 */ 65#define CONFIG_SYS_MALLOC_LEN (roundup(CONFIG_ENV_SIZE,4096) + 128*1024) 66 67#define CONFIG_BAUDRATE 115200 68 69/* 70 * Hardware drivers 71 */ 72 73/* define one of these to choose the DBGU, USART0 or USART1 as console */ 74#define CONFIG_AT91RM9200_USART 75#define CONFIG_DBGU 76#undef CONFIG_USART0 77#undef CONFIG_USART1 78 79#undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */ 80 81#undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */ 82 83#define CONFIG_BOOTDELAY 3 84#define CONFIG_ENV_OVERWRITE 1 85 86 87/* 88 * BOOTP options 89 */ 90#define CONFIG_BOOTP_BOOTFILESIZE 91#define CONFIG_BOOTP_BOOTPATH 92#define CONFIG_BOOTP_GATEWAY 93#define CONFIG_BOOTP_HOSTNAME 94 95 96/* 97 * Command line configuration. 98 */ 99#include <config_cmd_default.h> 100 101#define CONFIG_CMD_I2C 102#define CONFIG_CMD_PING 103#define CONFIG_CMD_DHCP 104 105#undef CONFIG_CMD_BDI 106#undef CONFIG_CMD_FPGA 107#undef CONFIG_CMD_MISC 108 109 110#define CONFIG_NR_DRAM_BANKS 1 111#define PHYS_SDRAM 0x20000000 112#define PHYS_SDRAM_SIZE 0x2000000 /* 32 megs */ 113 114#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM 115#define CONFIG_SYS_MEMTEST_END CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - (512*1024) 116 117#define CONFIG_NET_MULTI 1 118#ifdef CONFIG_NET_MULTI 119#define CONFIG_DRIVER_AT91EMAC 1 120#define CONFIG_SYS_RX_ETH_BUFFER 8 121#else 122#define CONFIG_DRIVER_ETHER 1 123#endif 124#define CONFIG_NET_RETRY_COUNT 20 125 126#define CONFIG_SYS_FLASH_BASE 0x10000000 127 128#ifdef CONFIG_KB9202 129#define PHYS_FLASH_SIZE 0x1000000 130#else 131#define PHYS_FLASH_SIZE 0x200000 132#endif 133 134#define CONFIG_SYS_MAX_FLASH_BANKS 1 135#define CONFIG_SYS_MAX_FLASH_SECT 256 136 137#define CONFIG_HARD_I2C 138 139#define CONFIG_ENV_IS_IN_EEPROM 140 141#ifdef CONFIG_KB9202 142#define CONFIG_ENV_OFFSET 0x3E00 143#define CONFIG_ENV_SIZE 0x0200 144#else 145#define CONFIG_ENV_OFFSET 0x1000 146#define CONFIG_ENV_SIZE 0x1000 147#endif 148#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 149#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 150#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 151#define CONFIG_SYS_I2C_SPEED 50000 152#define CONFIG_SYS_I2C_SLAVE 0 /* not used */ 153#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 154 155#define CONFIG_SYS_LOAD_ADDR 0x21000000 /* default load address */ 156 157#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } 158 159#define CONFIG_SYS_PROMPT "U-Boot> " /* Monitor Command Prompt */ 160#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 161#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 162#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ 163 164#define CONFIG_FLASH_CFI_DRIVER 165#define CONFIG_SYS_FLASH_CFI 166 167#ifndef __ASSEMBLY__ 168/*----------------------------------------------------------------------- 169 * Board specific extension for bd_info 170 * 171 * This structure is embedded in the global bd_info (bd_t) structure 172 * and can be used by the board specific code (eg board/...) 173 */ 174 175struct bd_info_ext { 176 /* helper variable for board environment handling 177 * 178 * env_crc_valid == 0 => uninitialised 179 * env_crc_valid > 0 => environment crc in flash is valid 180 * env_crc_valid < 0 => environment crc in flash is invalid 181 */ 182 int env_crc_valid; 183}; 184#endif 185 186#define CONFIG_SYS_HZ 1000 187#define CONFIG_SYS_HZ_CLOCK AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */ 188 /* AT91C_TC_TIMER_DIV1_CLOCK */ 189 190#define CONFIG_STACKSIZE (32*1024) /* regular stack */ 191 192#ifdef CONFIG_USE_IRQ 193#error CONFIG_USE_IRQ not supported 194#endif 195 196#endif 197