/* * (C) Copyright 2002 Scott McNutt * * 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 */ /************************************************************************ * board/config_EBONY.h - configuration for IBM 440GP Ref (Ebony) ***********************************************************************/ #ifndef __CONFIG_H #define __CONFIG_H /*----------------------------------------------------------------------- * High Level Configuration Options *----------------------------------------------------------------------*/ #define CONFIG_EBONY 1 /* Board is ebony */ #define CONFIG_4xx 1 /* ... PPC4xx family */ #define CONFIG_BOARD_PRE_INIT 1 /* Call board_pre_init */ #undef CFG_DRAM_TEST /* Disable-takes long time! */ #define CONFIG_SYS_CLK_FREQ 33333333 /* external freq to pll */ /*----------------------------------------------------------------------- * Base addresses -- Note these are effective addresses where the * actual resources get mapped (not physical addresses) *----------------------------------------------------------------------*/ #define CFG_SDRAM_BASE 0x00000000 /* _must_ be 0 */ #define CFG_FLASH_BASE 0xff800000 /* start of FLASH */ #define CFG_MONITOR_BASE 0xfff80000 /* start of monitor */ #define CFG_PCI_MEMBASE 0x80000000 /* mapped pci memory */ #define CFG_PERIPHERAL_BASE 0xe0000000 /* internal peripherals */ #define CFG_ISRAM_BASE 0xc0000000 /* internal SRAM */ #define CFG_PCI_BASE 0xd0000000 /* internal PCI regs */ #define CFG_FPGA_BASE (CFG_PERIPHERAL_BASE + 0x08300000) #define CFG_NVRAM_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x08000000) /*----------------------------------------------------------------------- * Initial RAM & stack pointer (placed in internal SRAM) *----------------------------------------------------------------------*/ #define CFG_INIT_RAM_ADDR CFG_ISRAM_BASE /* Initial RAM address */ #define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */ #define CFG_GBL_DATA_SIZE 128 /* num bytes initial data */ #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */ #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc*/ /*----------------------------------------------------------------------- * Serial Port *----------------------------------------------------------------------*/ #undef CONFIG_SERIAL_SOFTWARE_FIFO #define CFG_EXT_SERIAL_CLOCK (1843200 * 6) /* Ext clk @ 11.059 MHz */ #define CONFIG_BAUDRATE 9600 #define CFG_BAUDRATE_TABLE \ {300, 600, 1200, 2400, 4800, 9600, 19200, 38400} /*----------------------------------------------------------------------- * NVRAM/RTC * * NOTE: Upper 8 bytes of NVRAM is where the RTC registers are located. * The DS1743 code assumes this condition (i.e. -- it assumes the base * address for the RTC registers is: * * CFG_NVRAM_BASE_ADDR + CFG_NVRAM_SIZE * *----------------------------------------------------------------------*/ #define CFG_NVRAM_SIZE (0x2000 - 8) /* NVRAM size(8k)- RTC regs */ #define CONFIG_RTC_DS174x 1 /* DS1743 RTC */ /*----------------------------------------------------------------------- * FLASH related *----------------------------------------------------------------------*/ #define CFG_MAX_FLASH_BANKS 3 /* number of banks */ #define CFG_MAX_FLASH_SECT 32 /* sectors per device */ #undef CFG_FLASH_CHECKSUM #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ /*----------------------------------------------------------------------- * DDR SDRAM *----------------------------------------------------------------------*/ #define CONFIG_SPD_EEPROM /* Use SPD EEPROM for setup */ #define SPD_EEPROM_ADDRESS {0x53,0x52} /* SPD i2c spd addresses */ /*----------------------------------------------------------------------- * I2C *----------------------------------------------------------------------*/ #define CONFIG_HARD_I2C 1 /* I2C with hardware support */ #undef CONFIG_SOFT_I2C /* I2C bit-banged */ #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ #define CFG_I2C_SLAVE 0x7F #define CFG_I2C_NOPROBES {0x69} /* Don't probe these addrs */ /*----------------------------------------------------------------------- * Environment *----------------------------------------------------------------------*/ #define CFG_ENV_IS_IN_NVRAM 1 /* Environment uses NVRAM */ #undef CFG_ENV_IS_IN_FLASH /* ... not in flash */ #undef CFG_ENV_IS_IN_EEPROM /* ... not in EEPROM */ #define CFG_ENV_SIZE 0x1000 /* Size of Environment vars */ #define CFG_ENV_ADDR \ (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE) #define CONFIG_BOOTARGS "root=/dev/hda1 " #define CONFIG_BOOTCOMMAND "bootm ffc00000" /* autoboot command */ #define CONFIG_BOOTDELAY -1 /* disable autoboot */ #define CONFIG_BAUDRATE 9600 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ #define CONFIG_MII 1 /* MII PHY management */ #define CONFIG_PHY_ADDR 8 /* PHY address */ #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ CFG_CMD_PCI | \ CFG_CMD_IRQ | \ CFG_CMD_I2C | \ CFG_CMD_KGDB | \ CFG_CMD_DHCP | \ CFG_CMD_DATE | \ CFG_CMD_BEDBUG | \ CFG_CMD_ELF ) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include #undef CONFIG_WATCHDOG /* watchdog disabled */ /* * Miscellaneous configurable options */ #define CFG_LONGHELP /* undef to save memory */ #define CFG_PROMPT "=> " /* Monitor Command Prompt */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ #else #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ #endif #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ #define CFG_MAXARGS 16 /* max number of command args */ #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ #define CFG_LOAD_ADDR 0x100000 /* default load address */ #define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */ #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ /*----------------------------------------------------------------------- * PCI stuff *----------------------------------------------------------------------- */ /* General PCI */ #define CONFIG_PCI /* include pci support */ #define CONFIG_PCI_PNP /* do pci plug-and-play */ #define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ #define CFG_PCI_TARGBASE 0x80000000 /* PCIaddr mapped to CFG_PCI_MEMBASE */ /* Board-specific PCI */ #define CFG_PCI_PRE_INIT /* enable board pci_pre_init() */ #define CFG_PCI_TARGET_INIT /* let board init pci target */ #define CFG_PCI_SUBSYS_VENDORID 0x1014 /* IBM */ #define CFG_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */ /* * For booting Linux, the board info and command line data * have to be in the first 8 MB of memory, since this is * the maximum mapped by the Linux kernel during initialization. */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ /*----------------------------------------------------------------------- * Cache Configuration */ #define CFG_DCACHE_SIZE 8192 /* For IBM 405 CPUs */ #define CFG_CACHELINE_SIZE 32 /* ... */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ #endif /* * Internal Definitions * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */ #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ #endif #endif /* __CONFIG_H */