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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/BMW.h
parent5b1d713721c3ea02549940133f09236783dda1f9 (diff)
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+/*
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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
+ */
+
+/*
+ *
+ * Configuration settings for the CU824 board.
+ *
+ */
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_MPC824X 1
+#define CONFIG_MPC8245 1
+#define CONFIG_BMW 1
+
+#define CONFIG_BCM570x 1 /* Use Broadcom BCM570x Ethernet Driver */
+#define CONFIG_TIGON3 1
+
+#define CONFIG_CONS_INDEX 1
+#define CONFIG_BAUDRATE 9600
+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+
+#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
+
+#define CONFIG_BOOTCOMMAND "bootm FF820000" /* autoboot command */
+#define CONFIG_BOOTDELAY 5
+
+#define CFG_MAX_DOC_DEVICE 1 /* Only use Onboard TSOP-16MB device */
+#define DOC_PASSIVE_PROBE 1
+#define CFG_DOC_SUPPORT_2000 1
+#define CFG_DOC_SUPPORT_MILLENNIUM 1
+#define CFG_DOC_SHORT_TIMEOUT 1
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
+ CFG_CMD_DATE | \
+ CFG_CMD_DOC | \
+ CFG_CMD_ELF | \
+ 0 )
+#if 0
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_DHCP | \
+ CFG_CMD_PCI | CFG_CMD_DOC | CFG_CMD_DATE)
+
+#define CONFIG_PCI 1
+#define CONFIG_PCI_PNP 1 /* PCI plug-and-play */
+#endif
+
+/* This must be included AFTER the definition of CONFIG_COMMANDS (if any)
+ */
+#include <cmd_confdefs.h>
+
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_PROMPT "=>" /* Monitor Command Prompt */
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+
+/* Print Buffer Size
+ */
+#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
+
+#define CFG_MAXARGS 8 /* Max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+#define CFG_LOAD_ADDR 0x00100000 /* Default load address */
+
+/*-----------------------------------------------------------------------
+ * 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_BASE0_PRELIM 0xFFF00000 /* FLASH bank on RCS#0 */
+#define CFG_FLASH_BASE1_PRELIM 0xFF800000 /* FLASH bank on RCS#1 */
+#define CFG_FLASH_BASE CFG_MONITOR_BASE
+#define CFG_FLASH_BANKS { CFG_FLASH_BASE0_PRELIM , CFG_FLASH_BASE1_PRELIM }
+
+/* even though FLASHP_BASE is FF800000, with 4MB is RCS0, the
+ * reset vector is actually located at FFB00100, but the 8245
+ * takes care of us.
+ */
+#define CFG_RESET_ADDRESS 0xFFF00100
+
+#define CFG_EUMB_ADDR 0xFC000000
+
+#define CFG_MONITOR_BASE TEXT_BASE
+
+#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
+#define CFG_MALLOC_LEN (2048 << 10) /* Reserve 2MB for malloc() */
+
+#define CFG_MEMTEST_START 0x00004000 /* memtest works on */
+#define CFG_MEMTEST_END 0x04000000 /* 0 ... 32 MB in DRAM */
+
+ /* Maximum amount of RAM.
+ */
+#define CFG_MAX_RAM_SIZE 0x04000000 /* 0 .. 64 MB of (S)DRAM */
+
+
+#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
+#undef CFG_RAMBOOT
+#else
+#define CFG_RAMBOOT
+#endif
+
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area
+ */
+#define CFG_INIT_RAM_ADDR CFG_SDRAM_BASE + CFG_MONITOR_LEN
+#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
+#define CFG_GBL_DATA_SIZE 128 /* 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
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ * For the detail description refer to the MPC8240 user's manual.
+ */
+
+#define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */
+#define CFG_HZ 1000
+
+#define CFG_ETH_DEV_FN 0x7800
+#define CFG_ETH_IOBASE 0x00104000
+
+ /* Bit-field values for MCCR1.
+ */
+#define CFG_ROMNAL 0xf
+#define CFG_ROMFAL 0x1f
+#define CFG_DBUS_SIZE 0x3
+
+ /* Bit-field values for MCCR2.
+ */
+#define CFG_TSWAIT 0x5 /* Transaction Start Wait States timer */
+#define CFG_REFINT 0x400 /* Refresh interval FIXME: was 0t430 */
+
+ /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
+ */
+#define CFG_BSTOPRE 0 /* FIXME: was 192 */
+
+ /* Bit-field values for MCCR3.
+ */
+#define CFG_REFREC 2 /* Refresh to activate interval */
+
+ /* Bit-field values for MCCR4.
+ */
+#define CFG_PRETOACT 2 /* Precharge to activate interval FIXME: was 2 */
+#define CFG_ACTTOPRE 5 /* Activate to Precharge interval FIXME: was 5 */
+#define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latancy */
+#define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */
+#define CFG_SDMODE_BURSTLEN 3 /* SDMODE Burst length */
+#define CFG_ACTORW 0xa /* FIXME was 2 */
+#define CFG_REGISTERD_TYPE_BUFFER 1
+
+#define CFG_PGMAX 0x0 /* how long the 8240 reatins the currently accessed page in memory FIXME: was 0x32*/
+
+#define CFG_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay - note bottom 3 bits MUST be 0 */
+
+/* Memory bank settings.
+ * Only bits 20-29 are actually used from these vales to set the
+ * start/end addresses. The upper two bits will always be 0, and the lower
+ * 20 bits will be 0x00000 for a start address, or 0xfffff for an end
+ * address. Refer to the MPC8240 book.
+ */
+
+#define CFG_BANK0_START 0x00000000
+#define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
+#define CFG_BANK0_ENABLE 1
+#define CFG_BANK1_START 0x3ff00000
+#define CFG_BANK1_END 0x3fffffff
+#define CFG_BANK1_ENABLE 0
+#define CFG_BANK2_START 0x3ff00000
+#define CFG_BANK2_END 0x3fffffff
+#define CFG_BANK2_ENABLE 0
+#define CFG_BANK3_START 0x3ff00000
+#define CFG_BANK3_END 0x3fffffff
+#define CFG_BANK3_ENABLE 0
+#define CFG_BANK4_START 0x3ff00000
+#define CFG_BANK4_END 0x3fffffff
+#define CFG_BANK4_ENABLE 0
+#define CFG_BANK5_START 0x3ff00000
+#define CFG_BANK5_END 0x3fffffff
+#define CFG_BANK5_ENABLE 0
+#define CFG_BANK6_START 0x3ff00000
+#define CFG_BANK6_END 0x3fffffff
+#define CFG_BANK6_ENABLE 0
+#define CFG_BANK7_START 0x3ff00000
+#define CFG_BANK7_END 0x3fffffff
+#define CFG_BANK7_ENABLE 0
+
+#define CFG_ODCR 0xff
+
+#define CONFIG_PCI 1 /* Include PCI support */
+#undef CONFIG_PCI_PNP
+
+/* PCI Memory space(s) */
+#define PCI_MEM_SPACE1_START 0x80000000
+#define PCI_MEM_SPACE2_START 0xfd000000
+
+/* ROM Spaces */
+#include "../board/bmw/bmw.h"
+
+/* BAT configuration */
+#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
+#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
+
+#define CFG_IBAT1L (0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
+#define CFG_IBAT1U (0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP)
+
+#define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
+#define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
+
+#define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
+#define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
+
+#define CFG_DBAT0L CFG_IBAT0L
+#define CFG_DBAT0U CFG_IBAT0U
+#define CFG_DBAT1L CFG_IBAT1L
+#define CFG_DBAT1U CFG_IBAT1U
+#define CFG_DBAT2L CFG_IBAT2L
+#define CFG_DBAT2U CFG_IBAT2U
+#define CFG_DBAT3L CFG_IBAT3L
+#define CFG_DBAT3U CFG_IBAT3U
+
+/*
+ * 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 0 /* Max number of flash banks */
+#define CFG_MAX_FLASH_SECT 64 /* Max number of sectors per flash */
+
+#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
+#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
+
+/*
+ * Warining: environment is not EMBEDDED in the U-Boot code.
+ * It's stored in flash separately.
+ */
+#define CFG_ENV_IS_IN_NVRAM 1
+#define CONFIG_ENV_OVERWRITE 1
+#define CFG_NVRAM_ACCESS_ROUTINE 1
+#define CFG_ENV_ADDR 0x7c004000 /* right at the start of NVRAM */
+#define CFG_ENV_SIZE 0x1ff0 /* Size of the Environment - 8K */
+#define CFG_ENV_OFFSET 0 /* starting right at the beginning */
+
+/*
+ * Cache Configuration
+ */
+#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 */
+
+
+#endif /* __CONFIG_H */