/* * Rick Bronson <rick@efn.org> * * Configuation settings for the AT91RM9200DK board. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ /* * Adatped for KwikByte KB920x board from at91rm9200dk.h: 22APR2005 */ #ifndef __CONFIG_H #define __CONFIG_H /* ARM asynchronous clock */ #define AT91C_MAIN_CLOCK 180000000 /* from 10 MHz crystal */ #define AT91C_MASTER_CLOCK 60000000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */ #define AT91_SLOW_CLOCK 32768 /* slow clock */ #define CONFIG_ARM920T 1 /* This is an ARM920T Core */ #define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */ /* Only define one of the following, based on board type */ /* #define CONFIG_KB9200 1 KwikByte KB9202 board */ /* #define CONFIG_KB9201 1 KwikByte KB9202 board */ #define CONFIG_KB9202 1 /* KwikByte KB9202 board */ #define CONFIG_KB920x 1 /* Any KB920x board */ #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ #define USE_920T_MMU 1 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ #define CONFIG_SETUP_MEMORY_TAGS 1 #define CONFIG_INITRD_TAG 1 #define CONFIG_SKIP_LOWLEVEL_INIT #define CFG_LONGHELP #ifndef roundup #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) #endif /* * Size of malloc() pool */ #define CFG_MALLOC_LEN (roundup(CONFIG_ENV_SIZE,4096) + 128*1024) #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ #define CONFIG_BAUDRATE 115200 /* * Hardware drivers */ /* define one of these to choose the DBGU, USART0 or USART1 as console */ #define CONFIG_DBGU #undef CONFIG_USART0 #undef CONFIG_USART1 #undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */ #undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */ #define CONFIG_BOOTDELAY 3 #define CONFIG_ENV_OVERWRITE 1 /* * BOOTP options */ #define CONFIG_BOOTP_BOOTFILESIZE #define CONFIG_BOOTP_BOOTPATH #define CONFIG_BOOTP_GATEWAY #define CONFIG_BOOTP_HOSTNAME /* * Command line configuration. */ #include <config_cmd_default.h> #define CONFIG_CMD_I2C #define CONFIG_CMD_PING #define CONFIG_CMD_DHCP #undef CONFIG_CMD_BDI #undef CONFIG_CMD_FPGA #undef CONFIG_CMD_MISC #define CONFIG_NR_DRAM_BANKS 1 #define PHYS_SDRAM 0x20000000 #define PHYS_SDRAM_SIZE 0x2000000 /* 32 megs */ #define CFG_MEMTEST_START PHYS_SDRAM #define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - (512*1024) #define CONFIG_DRIVER_ETHER #define CONFIG_NET_RETRY_COUNT 20 #define CFG_FLASH_BASE 0x10000000 #ifdef CONFIG_KB9202 #define PHYS_FLASH_SIZE 0x1000000 #else #define PHYS_FLASH_SIZE 0x200000 #endif #define CFG_MAX_FLASH_BANKS 1 #define CFG_MAX_FLASH_SECT 256 #define CONFIG_HARD_I2C #define CONFIG_ENV_IS_IN_EEPROM #ifdef CONFIG_KB9202 #define CONFIG_ENV_OFFSET 0x3E00 #define CONFIG_ENV_SIZE 0x0200 #else #define CONFIG_ENV_OFFSET 0x1000 #define CONFIG_ENV_SIZE 0x1000 #endif #define CFG_I2C_EEPROM_ADDR 0x50 #define CFG_EEPROM_PAGE_WRITE_BITS 6 #define CFG_I2C_EEPROM_ADDR_LEN 2 #define CFG_I2C_SPEED 50000 #define CFG_I2C_SLAVE 0 /* not used */ #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 #define CFG_LOAD_ADDR 0x21000000 /* default load address */ #define CFG_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } #define CFG_PROMPT "U-Boot> " /* Monitor Command Prompt */ #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ #define CFG_MAXARGS 16 /* max number of command args */ #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ #define CONFIG_FLASH_CFI_DRIVER #define CFG_FLASH_CFI #ifndef __ASSEMBLY__ /*----------------------------------------------------------------------- * Board specific extension for bd_info * * This structure is embedded in the global bd_info (bd_t) structure * and can be used by the board specific code (eg board/...) */ struct bd_info_ext { /* helper variable for board environment handling * * env_crc_valid == 0 => uninitialised * env_crc_valid > 0 => environment crc in flash is valid * env_crc_valid < 0 => environment crc in flash is invalid */ int env_crc_valid; }; #endif #define CFG_HZ 1000 #define CFG_HZ_CLOCK AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */ /* AT91C_TC_TIMER_DIV1_CLOCK */ #define CONFIG_STACKSIZE (32*1024) /* regular stack */ #ifdef CONFIG_USE_IRQ #error CONFIG_USE_IRQ not supported #endif #endif