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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/utx8245.h
parent5b1d713721c3ea02549940133f09236783dda1f9 (diff)
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+/*
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002
+ * Gregory E. Allen, gallen@arlut.utexas.edu
+ * Matthew E. Karger, karger@arlut.utexas.edu
+ * Applied Research Laboratories, The University of Texas at Austin
+ *
+ * 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 utx8245 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_UTX8245 1
+#define DEBUG 1
+
+#define CONFIG_CONS_INDEX 1
+#define CONFIG_BAUDRATE 57600
+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+
+#define CONFIG_BOOTDELAY 5
+#define CONFIG_AUTOBOOT_PROMPT "autoboot in %d seconds\n"
+#define CONFIG_BOOTCOMMAND "bootm FF920000 FF800000" /* autoboot command */
+#define CONFIG_BOOTARGS "root=/dev/ram console=ttyS0,57600" /* RAMdisk */
+#define CONFIG_ETHADDR 41:52:4c:61:00:01 /* MAC address */
+#define CONFIG_SERVERIP 10.8.17.105
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_COMMANDS (CFG_CMD_DFL | CFG_CMD_BDI | CFG_CMD_PCI \
+ | CFG_CMD_FLASH | CFG_CMD_MEMORY \
+ | CFG_CMD_ENV | CFG_CMD_CONSOLE \
+ | CFG_CMD_LOADS | CFG_CMD_LOADB \
+ | CFG_CMD_IMI | CFG_CMD_CACHE \
+ | CFG_CMD_RUN | CFG_CMD_ECHO \
+ | CFG_CMD_REGINFO | CFG_CMD_NET\
+ | CFG_CMD_DHCP)
+
+/* 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 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+#define CFG_LOAD_ADDR 0x00100000 /* Default load address */
+
+
+/*-----------------------------------------------------------------------
+ * PCI configuration
+ *-----------------------------------------------------------------------
+ */
+#define CONFIG_PCI /* include pci support */
+#undef CONFIG_PCI_PNP
+#define CONFIG_PCI_SCAN_SHOW
+#define CONFIG_NET_MULTI
+#define CONFIG_EEPRO100
+
+#define PCI_ENET0_IOADDR 0x80000000
+#define PCI_ENET0_MEMADDR 0x80000000
+#define PCI_FIREWIRE_IOADDR 0x81000000
+#define PCI_FIREWIRE_MEMADDR 0x81000000
+
+
+/*-----------------------------------------------------------------------
+ * 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_MAX_RAM_SIZE 0x10000000 /* amount of SDRAM */
+
+
+/* even though FLASHP_BASE is FF800000, with 2MB on RCS0, the
+ * reset vector is actually located at FF800100, 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 (128 << 10) /* Reserve 128 kB for malloc() */
+
+/*#define CFG_DRAM_TEST 1 */
+#define CFG_MEMTEST_START 0x00003000 /* memtest works on 0...256 MB */
+#define CFG_MEMTEST_END 0x0ff8ffa8 /* in SDRAM, skips exception */
+ /* vectors and U-Boot */
+
+
+/*--------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area
+ *------------------------------------------------------------------*/
+#define CFG_GBL_DATA_SIZE 128 /* Size in bytes reserved for */
+ /* initial data */
+#define CFG_INIT_RAM_ADDR 0x40000000
+#define CFG_INIT_RAM_END 0x1000
+#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+
+/*--------------------------------------------------------------------
+ * NS16550 Configuration
+ *------------------------------------------------------------------*/
+#define CFG_NS16550
+#define CFG_NS16550_SERIAL
+
+#define CFG_NS16550_REG_SIZE 1
+
+#define CFG_NS16550_CLK get_bus_freq(0)
+
+#define CFG_NS16550_COM1 (CFG_EUMB_ADDR + 0x4500)
+#define CFG_NS16550_COM2 (CFG_EUMB_ADDR + 0x4600)
+
+/*--------------------------------------------------------------------
+ * 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
+#define CFG_HZ 1000
+
+#define CFG_ETH_DEV_FN 0x7800
+#define CFG_ETH_IOBASE 0x00104000
+
+
+/*--------------------------------------------------------------------
+ * Memory Control Configuration Register values
+ * - see sec. 4.12 of MPC8245 UM
+ *------------------------------------------------------------------*/
+
+/* MCCR1 */
+#define CFG_ROMNAL 0
+#define CFG_ROMFAL 2 /* (tacc=70ns)*mem_freq - 2 */
+#define CFG_BANK0_ROW 2 /* SDRAM bank 7-0 row address */
+#define CFG_BANK1_ROW 2 /* bit count */
+#define CFG_BANK2_ROW 0
+#define CFG_BANK3_ROW 0
+#define CFG_BANK4_ROW 0
+#define CFG_BANK5_ROW 0
+#define CFG_BANK6_ROW 0
+#define CFG_BANK7_ROW 0
+
+/* MCCR2, refresh interval clock cycles */
+#define CFG_REFINT 480 /* 33 MHz SDRAM clock was 480 */
+
+/* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4 */
+#define CFG_BSTOPRE 1023 /* burst to precharge[0..9], */
+ /* sets open page interval */
+
+/* MCCR3 */
+#define CFG_REFREC 5 /* Refresh to activate interval, trc */
+
+/* MCCR4 */
+#define CFG_PRETOACT 2 /* trp */
+#define CFG_ACTTOPRE 7 /* trcd + (burst length - 1) + tdrl */
+#define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latancy */
+#define CFG_SDMODE_WRAP 0 /* SDMODE wrap type, sequential */
+#define CFG_ACTORW 2 /* trcd min */
+#define CFG_DBUS_SIZE2 1 /* set for 8-bit RCS1, clear for 32,64 */
+#define CFG_REGISTERD_TYPE_BUFFER 1
+#define CFG_EXTROM 1
+#define CFG_REGDIMM 0
+
+/* calculate according to formula in sec. 6-22 of 8245 UM */
+#define CFG_PGMAX 50 /* how long the 8245 retains the */
+ /* currently accessed page in memory */
+ /* was 45 */
+
+#define CFG_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay - note */
+ /* bottom 3 bits MUST be 0 */
+
+#define CFG_DLL_MAX_DELAY 0x04
+#define CFG_DLL_EXTEND 0x80
+#define CFG_PCI_HOLD_DEL 0x20
+
+
+/* Memory bank settings.
+ * Only bits 20-29 are actually used from these values 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 MPC8245 user manual.
+ */
+
+#define CFG_BANK0_START 0x00000000
+#define CFG_BANK0_END (CFG_MAX_RAM_SIZE/2 - 1)
+#define CFG_BANK0_ENABLE 1
+#define CFG_BANK1_START CFG_MAX_RAM_SIZE/2
+#define CFG_BANK1_END (CFG_MAX_RAM_SIZE - 1)
+#define CFG_BANK1_ENABLE 1
+#define CFG_BANK2_START 0x3ff00000 /* not available in this design */
+#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
+
+/*--------------------------------------------------------------------
+ * 4.4 - Output Driver Control Register
+ *------------------------------------------------------------------*/
+#define CFG_ODCR 0xe5
+
+/*--------------------------------------------------------------------
+ * 4.8 - Error Handling Registers
+ *------------------------------------------------------------------*/
+#define CFG_ERRENR1 0x11 /* enable SDRAM refresh overflow error */
+
+/* SDRAM 0-256 MB */
+#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
+#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
+
+/* stack in dcache */
+#define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
+#define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
+
+/* PCI memory */
+#define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
+#define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
+
+/* Flash, config addrs, etc. */
+#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 (AMD AM29LV116D)
+ */
+#define CFG_FLASH_BASE 0xFF800000
+
+#define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */
+#define CFG_MAX_FLASH_SECT 35 /* Max number of sectors in one bank */
+
+#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
+#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
+
+ /* Warning: environment is not EMBEDDED in the U-Boot code.
+ * It's stored in flash separately.
+ */
+#define CFG_ENV_IS_IN_FLASH 1
+
+#define CFG_ENV_ADDR 0xFF9FA000 /* flash sector SA33 */
+#define CFG_ENV_SIZE 0x2000 /* Size of the Environment */
+#define CFG_ENV_OFFSET 0 /* starting right at the beginning */
+#define CFG_ENV_SECT_SIZE 0x2000 /* Size of the Environment Sector */
+
+
+#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
+#undef CFG_RAMBOOT
+#else
+#define CFG_RAMBOOT
+#endif
+
+
+/*-----------------------------------------------------------------------
+ * 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 */