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/* 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) */ 35 36#define AT91_SLOW_CLOCK 32768 /* slow clock */ 37 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 */ 44 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 48 49#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 50#define CONFIG_SETUP_MEMORY_TAGS 1 51#define CONFIG_INITRD_TAG 1 52 53#define CONFIG_SKIP_LOWLEVEL_INIT 54#define CONFIG_SKIP_RELOCATE_UBOOT /* undef this for direct boot from */ 55 /* NOR flash without preloader */ 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#define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ 67 68#define CONFIG_BAUDRATE 115200 69 70/* 71 * Hardware drivers 72 */ 73 74/* define one of these to choose the DBGU, USART0 or USART1 as console */ 75#define CONFIG_AT91RM9200_USART 76#define CONFIG_DBGU 77#undef CONFIG_USART0 78#undef CONFIG_USART1 79 80#undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */ 81 82#undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */ 83 84#define CONFIG_BOOTDELAY 3 85#define CONFIG_ENV_OVERWRITE 1 86 87 88/* 89 * BOOTP options 90 */ 91#define CONFIG_BOOTP_BOOTFILESIZE 92#define CONFIG_BOOTP_BOOTPATH 93#define CONFIG_BOOTP_GATEWAY 94#define CONFIG_BOOTP_HOSTNAME 95 96 97/* 98 * Command line configuration. 99 */ 100#include <config_cmd_default.h> 101 102#define CONFIG_CMD_I2C 103#define CONFIG_CMD_PING 104#define CONFIG_CMD_DHCP 105 106#undef CONFIG_CMD_BDI 107#undef CONFIG_CMD_FPGA 108#undef CONFIG_CMD_MISC 109 110 111#define CONFIG_NR_DRAM_BANKS 1 112#define PHYS_SDRAM 0x20000000 113#define PHYS_SDRAM_SIZE 0x2000000 /* 32 megs */ 114 115#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM 116#define CONFIG_SYS_MEMTEST_END CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - (512*1024) 117 118#define CONFIG_DRIVER_ETHER 119#define CONFIG_NET_RETRY_COUNT 20 120 121#define CONFIG_SYS_FLASH_BASE 0x10000000 122 123#ifdef CONFIG_KB9202 124#define PHYS_FLASH_SIZE 0x1000000 125#else 126#define PHYS_FLASH_SIZE 0x200000 127#endif 128 129#define CONFIG_SYS_MAX_FLASH_BANKS 1 130#define CONFIG_SYS_MAX_FLASH_SECT 256 131 132#define CONFIG_HARD_I2C 133 134#define CONFIG_ENV_IS_IN_EEPROM 135 136#ifdef CONFIG_KB9202 137#define CONFIG_ENV_OFFSET 0x3E00 138#define CONFIG_ENV_SIZE 0x0200 139#else 140#define CONFIG_ENV_OFFSET 0x1000 141#define CONFIG_ENV_SIZE 0x1000 142#endif 143#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 144#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 145#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 146#define CONFIG_SYS_I2C_SPEED 50000 147#define CONFIG_SYS_I2C_SLAVE 0 /* not used */ 148#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 149 150#define CONFIG_SYS_LOAD_ADDR 0x21000000 /* default load address */ 151 152#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } 153 154#define CONFIG_SYS_PROMPT "U-Boot> " /* Monitor Command Prompt */ 155#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 156#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 157#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ 158 159#define CONFIG_FLASH_CFI_DRIVER 160#define CONFIG_SYS_FLASH_CFI 161 162#ifndef __ASSEMBLY__ 163/*----------------------------------------------------------------------- 164 * Board specific extension for bd_info 165 * 166 * This structure is embedded in the global bd_info (bd_t) structure 167 * and can be used by the board specific code (eg board/...) 168 */ 169 170struct bd_info_ext { 171 /* helper variable for board environment handling 172 * 173 * env_crc_valid == 0 => uninitialised 174 * env_crc_valid > 0 => environment crc in flash is valid 175 * env_crc_valid < 0 => environment crc in flash is invalid 176 */ 177 int env_crc_valid; 178}; 179#endif 180 181#define CONFIG_SYS_HZ 1000 182#define CONFIG_SYS_HZ_CLOCK AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */ 183 /* AT91C_TC_TIMER_DIV1_CLOCK */ 184 185#define CONFIG_STACKSIZE (32*1024) /* regular stack */ 186 187#ifdef CONFIG_USE_IRQ 188#error CONFIG_USE_IRQ not supported 189#endif 190 191#endif 192