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Diffstat (limited to 'include/configs/shannon.h')
| -rw-r--r-- | include/configs/shannon.h | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/include/configs/shannon.h b/include/configs/shannon.h new file mode 100644 index 0000000..c281707 --- /dev/null +++ b/include/configs/shannon.h @@ -0,0 +1,218 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Alex Zuepke <azu@sysgo.de> + * + * Configuation settings for the Shannon/TuxScreen/IS2630 WebPhone 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * If we are developing, we might want to start armboot from ram + * so we MUST NOT initialize critical regs like mem-timing ... + */ + +/* + * we just run in non-critical mode now, because we use the Inferno-Loader to + * bring us to live + */ +#define CONFIG_INFERNO /* we are using the inferno bootldr */ +#undef CONFIG_INIT_CRITICAL /* undef for developing */ + +/* + * High Level Configuration Options + * (easy to change) + */ +#define CONFIG_SA1100 1 /* This is an SA1100 CPU */ +#define CONFIG_SHANNON 1 /* on an SHANNON/TuxScreen Board */ + +#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ + +/* + * Size of malloc() pool + */ +#define CONFIG_MALLOC_SIZE (CFG_ENV_SIZE + 128*1024) + +/* + * Hardware drivers + */ +#define CONFIG_DRIVER_3C589 1 + +/* + * select serial console configuration + */ +#define CONFIG_SERIAL3 1 /* we use SERIAL 3 */ + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE + +#define CONFIG_BAUDRATE 115200 + +#if 0 /* XXX - cannot test IDE anyway, so disabled for now - wd */ +#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ + CFG_CMD_PCMCIA | \ + CFG_CMD_IDE) +#endif /* 0 */ + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +#define CONFIG_BOOTDELAY 3 +#define CONFIG_BOOTARGS "root=ramfs devfs=mount console=ttySA0,115200" +#define CONFIG_NETMASK 255.255.0.0 +#define CONFIG_BOOTCOMMAND "help" + +#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 + +/* + * Miscellaneous configurable options + */ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "TuxScreen # " /* Monitor Command Prompt */ +#define CFG_CBSIZE 256 /* Console I/O 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_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_MEMTEST_START 0xc0400000 /* memtest works on */ +#define CFG_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */ + +#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ + +#define CFG_LOAD_ADDR 0xd0000000 /* default load address */ + +#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CFG_CPUSPEED 0x09 /* 190 MHz for Shannon */ + + /* valid baudrates */ +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +#define CONFIG_DOS_PARTITION 1 /* DOS partitiion support */ + +/*----------------------------------------------------------------------- + * Stack sizes + * + * The stack sizes are set up in start.S using the settings below + */ +#define CONFIG_STACKSIZE (128*1024) /* regular stack */ +#ifdef CONFIG_USE_IRQ +#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ +#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ +#endif + +/*----------------------------------------------------------------------- + * Physical Memory Map + */ +/* BE CAREFUL */ +#define CONFIG_NR_DRAM_BANKS 4 /* we have 4 banks of EDORAM */ +#define PHYS_SDRAM_1 0xc0000000 /* RAM Bank #1 */ +#define PHYS_SDRAM_1_SIZE 0x00400000 /* 4 MB */ +#define PHYS_SDRAM_2 0xc8000000 /* RAM Bank #2 */ +#define PHYS_SDRAM_2_SIZE 0x00400000 /* 4 MB */ +#define PHYS_SDRAM_3 0xd0000000 /* RAM Bank #3 */ +#define PHYS_SDRAM_3_SIZE 0x00400000 /* 4 MB */ +#define PHYS_SDRAM_4 0xd8000000 /* RAM Bank #4 */ +#define PHYS_SDRAM_4_SIZE 0x00400000 /* 4 MB */ + + +#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */ +#define PHYS_FLASH_SIZE 0x00400000 /* 4 MB */ + +#define CFG_FLASH_BASE PHYS_FLASH_1 + +/*----------------------------------------------------------------------- + * FLASH and environment organization + */ +#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT (31+4) /* max number of sectors on one chip */ + +/* timeout values are in ticks */ +#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */ +#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */ + +#define CFG_ENV_IS_IN_FLASH 1 +#ifdef CONFIG_INFERNO +/* we take the last sector, 128 KB in size, but we only use 4 KB of it for stack reasons */ +#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x003E0000) /* Addr of Environment Sector */ +#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ +#else +#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x1C000) /* Addr of Environment Sector */ +#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ +#endif + +/*----------------------------------------------------------------------- + * PCMCIA stuff + *----------------------------------------------------------------------- + * + */ + +/* we pick the upper one */ + +#define CONFIG_PCMCIA_SLOT_A + +#define CFG_PCMCIA_IO_ADDR (0x20000000) +#define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) +#define CFG_PCMCIA_DMA_ADDR (0x24000000) +#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) +#define CFG_PCMCIA_ATTRB_ADDR (0x2C000000) +#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) +#define CFG_PCMCIA_MEM_ADDR (0x28000000) +#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) + +/* in fact, MEM and ATTRB are swapped - has to be corrected soon in cmd_pcmcia or so */ + +/*----------------------------------------------------------------------- + * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) + *----------------------------------------------------------------------- + */ + +#define CONFIG_IDE_PCCARD 1 /* Use IDE with PC Card Adapter */ + +#undef CONFIG_IDE_PCMCIA /* Direct IDE not supported */ +#undef CONFIG_IDE_LED /* LED for ide not supported */ +#undef CONFIG_IDE_RESET /* reset for ide not supported */ + +#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */ +#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */ + +#define CFG_ATA_IDE0_OFFSET 0x0000 + +/* it's simple, all regs are in I/O space */ +#define CFG_ATA_BASE_ADDR CFG_PCMCIA_ATTRB_ADDR + +/* Offset for data I/O */ +#define CFG_ATA_DATA_OFFSET (CFG_ATA_BASE_ADDR) + +/* Offset for normal register accesses */ +#define CFG_ATA_REG_OFFSET (CFG_ATA_BASE_ADDR) + +/* Offset for alternate registers */ +#define CFG_ATA_ALT_OFFSET (CFG_ATA_BASE_ADDR) + +/*----------------------------------------------------------------------- + */ + +#endif /* __CONFIG_H */ |