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authorwdenk <wdenk>2002-11-03 00:24:07 +0000
committerwdenk <wdenk>2002-11-03 00:24:07 +0000
commitc609719b8d1b2dca590e0ed499016d041203e403 (patch)
tree7ea1755d80903ff972f312a249eb856061d40e15 /include/configs/shannon.h
parent5b1d713721c3ea02549940133f09236783dda1f9 (diff)
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+/*
+ * (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 */