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Diffstat (limited to 'include/configs/ebony.h')
| -rw-r--r-- | include/configs/ebony.h | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/include/configs/ebony.h b/include/configs/ebony.h new file mode 100644 index 0000000..ebd0b53 --- /dev/null +++ b/include/configs/ebony.h @@ -0,0 +1,290 @@ +/* + * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> + * + * 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_EARLY_INIT_F 1 /* Call board_early_init_f */ +#undef CFG_DRAM_TEST /* Disable-takes long time! */ +#define CONFIG_SYS_CLK_FREQ 33333333 /* external freq to pll */ + +/* + * Define here the location of the environment variables (FLASH or NVRAM). + * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only + * supported for backward compatibility. + */ +#if 1 +#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ +#else +#define CFG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */ +#endif + +/*----------------------------------------------------------------------- + * 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 0xfffc0000 /* 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_NVRAM_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x08000000) +#define CFG_FPGA_BASE (CFG_PERIPHERAL_BASE + 0x08300000) + +/*----------------------------------------------------------------------- + * 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 115200 + +#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 */ + +#ifdef CFG_ENV_IS_IN_NVRAM +#define CFG_ENV_SIZE 0x1000 /* Size of Environment vars */ +#define CFG_ENV_ADDR \ + (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE) +#endif /* CFG_ENV_IS_IN_NVRAM */ + +/*----------------------------------------------------------------------- + * FLASH related + *----------------------------------------------------------------------*/ +#define CFG_MAX_FLASH_BANKS 3 /* number of banks */ +#define CFG_MAX_FLASH_SECT 32 /* sectors per device */ + +#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ +#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ + +#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ + +#define CFG_FLASH_ADDR0 0x5555 +#define CFG_FLASH_ADDR1 0x2aaa +#define CFG_FLASH_WORD_SIZE unsigned char + +#ifdef CFG_ENV_IS_IN_FLASH +#define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */ +#define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE) +#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ + +/* Address and size of Redundant Environment Sector */ +#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE) +#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) +#endif /* CFG_ENV_IS_IN_FLASH */ + +/*----------------------------------------------------------------------- + * 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 */ + +#define CONFIG_PREBOOT "echo;" \ + "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \ + "echo" + +#undef CONFIG_BOOTARGS + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "netdev=eth0\0" \ + "hostname=ebony\0" \ + "nfsargs=setenv bootargs root=/dev/nfs rw " \ + "nfsroot=$(serverip):$(rootpath)\0" \ + "ramargs=setenv bootargs root=/dev/ram rw\0" \ + "addip=setenv bootargs $(bootargs) " \ + "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \ + ":$(hostname):$(netdev):off panic=1\0" \ + "addtty=setenv bootargs $(bootargs) console=ttyS0,$(baudrate)\0"\ + "flash_nfs=run nfsargs addip addtty;" \ + "bootm $(kernel_addr)\0" \ + "flash_self=run ramargs addip addtty;" \ + "bootm $(kernel_addr) $(ramdisk_addr)\0" \ + "net_nfs=tftp 200000 $(bootfile);run nfsargs addip addtty;" \ + "bootm\0" \ + "rootpath=/opt/eldk/ppc_4xx\0" \ + "bootfile=/tftpboot/ebony/uImage\0" \ + "kernel_addr=ff800000\0" \ + "ramdisk_addr=ff810000\0" \ + "load=tftp 100000 /tftpboot/ebony/u-boot.bin\0" \ + "update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;" \ + "cp.b 100000 fffc0000 40000;" \ + "setenv filesize;saveenv\0" \ + "upd=run load;run update\0" \ + "" +#define CONFIG_BOOTCOMMAND "run flash_self" + +#if 0 +#define CONFIG_BOOTDELAY -1 /* autoboot disabled */ +#else +#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ +#endif + +#define CONFIG_BAUDRATE 115200 + +#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_ASKENV | \ + CFG_CMD_DATE | \ + CFG_CMD_DHCP | \ + CFG_CMD_DIAG | \ + CFG_CMD_ELF | \ + CFG_CMD_I2C | \ + CFG_CMD_IRQ | \ + CFG_CMD_MII | \ + CFG_CMD_NET | \ + CFG_CMD_NFS | \ + CFG_CMD_PCI | \ + CFG_CMD_PING | \ + CFG_CMD_REGINFO | \ + CFG_CMD_SDRAM | \ + CFG_CMD_SNTP ) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +#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 */ + +#define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */ +#define CONFIG_LOOPW 1 /* enable loopw command */ +#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */ +#define CONFIG_VERSION_VARIABLE 1 /* include version env variable */ + +#define CFG_RX_ETH_BUFFER 32 /* Number of ethernet rx buffers & descriptors */ + +/*----------------------------------------------------------------------- + * 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 0x10e8 /* AMCC */ +#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 */ |