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Diffstat (limited to 'include/configs/CRAYL1.h')
| -rw-r--r-- | include/configs/CRAYL1.h | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/include/configs/CRAYL1.h b/include/configs/CRAYL1.h new file mode 100644 index 0000000..b10d967 --- /dev/null +++ b/include/configs/CRAYL1.h @@ -0,0 +1,251 @@ +/* + * (C) Copyright 2000, 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * David Updegraff, Cray, Inc. dave@cray.com: our 405 is walnut-lite.. + * + * 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.h - configuration options, board specific + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#define CONFIG_CRAYL1 +/* + * High Level Configuration Options + * (easy to change) + */ + +#define CONFIG_405GP 1 /* This is a PPC405 CPU */ +#define CONFIG_4xx 1 /* ...member of PPC405 family */ +#define CONFIG_SYS_CLK_FREQ 25000000 +#define CONFIG_BAUDRATE 9600 +#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ +#define CONFIG_MII 1 /* MII PHY management */ +#define CONFIG_PHY_ADDR 1 /* PHY address; handling of ENET */ +#define CONFIG_BOARD_PRE_INIT 1 /* setup for 405gp */ +#define CONFIG_MISC_INIT_R 1 /* so that a misc_init_r() is called */ + +/* set PRAM to keep U-Boot out, mem= to keep linux out, and initrd_hi to + * keep possible initrd ramdisk decompression out. This is in k (1024 bytes) + #define CONFIG_PRAM 16 + */ +#define CONFIG_LOADADDR 0x100000 +#undef CONFIG_BOOTARGS + +/* the logic is that booting is driven by what env vars get set from DHCP. + * Normal DHCP sets things like serverip, rootpath, etc. + * if printenv + */ +#define CFG_AUTOLOAD "yes" +#define CONFIG_BOOTCOMMAND "dhcp;"\ + "setenv bootargs devfs=mount;"\ + "setenv bootargs ip=$ipaddr:$serverip:$gatewayip:$netmask:::off $bootargs;"\ + "if printenv initrd;"\ + "then;" \ + "setenv initrd_hi $mem;"\ + "tftp 1000000 $initrd;"\ + "setenv bootargs root=/dev/ram0 rw cwsroot=$serverip:$rootpath $bootargs;"\ + "bootm 100000 1000000;"\ + "else;"\ + "setenv bootargs root=/dev/nfs ro nfsroot=$serverip:$rootpath $bootargs;"\ + "bootm 100000;"\ + "fi;" + +#define CONFIG_EXTRA_ENV_SETTINGS "" + +/* + * ..during experiments.. + #define CONFIG_SERVERIP 10.0.0.1 + #define CONFIG_ETHADDR 00:40:a6:80:14:5 + */ +#define CONFIG_HARD_I2C 1 /* hardware support for i2c */ +#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ +#define CFG_I2C_SLAVE 0x7F +#define CFG_I2C_EEPROM_ADDR 0x57 +#define CFG_I2C_EEPROM_ADDR_LEN 1 +#define CONFIG_IDENT_STRING "Cray L1" +#define CONFIG_ENV_OVERWRITE 1 +#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ +#define CFG_HUSH_PARSER 1 +#define CFG_PROMPT_HUSH_PS2 "> " + + +#define CONFIG_COMMANDS (\ + CFG_CMD_BDI|\ + CFG_CMD_IMI|\ + CFG_CMD_FLASH|\ + CFG_CMD_MEMORY|\ + CFG_CMD_NET|\ + CFG_CMD_ENV|\ + CFG_CMD_CONSOLE|\ + CFG_CMD_ASKENV|\ + CFG_CMD_ECHO|\ + CFG_CMD_IMMAP|\ + CFG_CMD_REGINFO|\ + CFG_CMD_DHCP|\ + CFG_CMD_DATE|\ + CFG_CMD_RUN|\ + CFG_CMD_I2C|\ + CFG_CMD_EEPROM|\ + CFG_CMD_SETGETDCR) + +/* + * optional BOOTP / DHCP fields + */ +#define CONFIG_BOOTP_MASK (\ + CONFIG_BOOTP_VENDOREX|\ + CONFIG_BOOTP_SUBNETMASK|\ + CONFIG_BOOTP_GATEWAY|\ + CONFIG_BOOTP_DNS|\ + CONFIG_BOOTP_HOSTNAME|\ + CONFIG_BOOTP_BOOTFILESIZE|\ + CONFIG_BOOTP_BOOTPATH) + +/* + * bauds. Just to make it compile; in our case, I read the base_baud + * from the DCR anyway, so its kinda-tied to the above ref. clock which in turn + * drives the system clock. + */ +#define CFG_BASE_BAUD 403225 +#define CFG_BAUDRATE_TABLE \ + {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +/* + * Miscellaneous configurable options + */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ + + +#define CFG_LOAD_ADDR 0x100000/* where to load what we get from TFTP */ +#define CFG_TFTP_LOADADDR CFG_LOAD_ADDR +#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */ + +/*----------------------------------------------------------------------- + * Start addresses for the final memory configuration + * (Set up by the startup code) + * Please note that CFG_SDRAM_BASE _must_ start at 0 + */ +#define CFG_SDRAM_BASE 0x00000000 +#define CFG_FLASH_BASE 0xFFC00000 +#define CFG_MONITOR_BASE TEXT_BASE + +#ifndef CFG_HUSH_PARSER +#define CFG_MONITOR_LEN (128 * 1024) /* Reserve 128 kB for Monitor */ +#define CFG_ENV_OFFSET 0x3D0000 +#else +#define CFG_MONITOR_LEN (192 * 1024) /* Reserve 192 kB for Monitor */ +#define CFG_ENV_OFFSET 0x3FE000 +#endif + +#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */ + +/* + * 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 */ +/*----------------------------------------------------------------------- + * FLASH organization + */ +#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 64 /* max number of sectors on one chip */ +#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ +#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ + +/* BEG ENVIRONNEMENT FLASH: needs to be a whole FlashSector */ +#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ +#define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ +#define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */ + +/* Memory tests: U-Boot relocates itself to the top of Ram, so its at + * 32meg-(128k+some_malloc_space+copy-of-ENV sector).. + */ +#define CFG_SDRAM_SIZE 32 /* megs of ram */ +#define CFG_MEMTEST_START 0x2000 /* memtest works from the end of */ + /* the exception vector table */ + /* to the end of the DRAM */ + /* less monitor and malloc area */ +#define CFG_STACK_USAGE 0x10000 /* Reserve 64k for the stack usage */ +#define CFG_MEM_END_USAGE ( CFG_MONITOR_LEN \ + + CFG_MALLOC_LEN \ + + CFG_ENV_SECT_SIZE \ + + CFG_STACK_USAGE ) + +#define CFG_MEMTEST_END (CFG_SDRAM_SIZE * 1024 * 1024 - CFG_MEM_END_USAGE) +/* END ENVIRONNEMENT FLASH */ + +/*----------------------------------------------------------------------- + * Cache Configuration. Only used to ..?? clear it, I guess.. + */ +#define CFG_DCACHE_SIZE 16384 +#define CFG_CACHELINE_SIZE 32 + +/* + * Init Memory Controller: + * + * BR0/1 and OR0/1 (FLASH) + */ + +#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */ + + +/*----------------------------------------------------------------------- + * Definitions for initial stack pointer and data area (in OnChipMem ) + */ +#if 0 +#define CFG_INIT_RAM_ADDR 0x40000000 /* use data cache */ +#define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */ +#else +#define CFG_TEMP_STACK_OCM 1 +#define CFG_OCM_DATA_ADDR 0xF0000000 +#define CFG_OCM_DATA_SIZE 0x1000 +#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of On Chip SRAM */ +#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of On Chip SRAM */ +#endif + +#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET + +/*----------------------------------------------------------------------- + * Definitions for Serial Presence Detect EEPROM address + */ +#define EEPROM_WRITE_ADDRESS 0xA0 +#define EEPROM_READ_ADDRESS 0xA1 + +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#endif /* __CONFIG_H */ |