315 lines
9.3 KiB
C
315 lines
9.3 KiB
C
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/*
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* (C) Copyright 2004
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* Tolunay Orkun, Nextio Inc., torkun@nextio.com
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* board/config.h - configuration options, board specific
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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/*
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* High Level Configuration Options
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* (easy to change)
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*/
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#define CONFIG_405GP 1 /* This is a PPC405GP CPU */
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#define CONFIG_4xx 1 /* ...member of PPC4xx family */
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#define CONFIG_CSB272 1 /* on a Cogent CSB272 board */
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#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f() */
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#define CONFIG_LAST_STAGE_INIT 1 /* Call last_stage_init() */
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#define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */
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/*
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* OS Bootstrap configuration
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*
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*/
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#if 0
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#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
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#else
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#define CONFIG_BOOTDELAY 3 /* autoboot after X seconds */
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#endif
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#define CONFIG_ZERO_BOOTDELAY_CHECK /* check keypress when bootdelay = 0 */
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#if 1
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#undef CONFIG_BOOTARGS
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#define CONFIG_BOOTCOMMAND \
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"setenv bootargs console=ttyS0,38400 debug " \
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"root=/dev/ram rw ramdisk_size=4096 " \
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"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
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"bootm fe000000 fe100000"
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#endif
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#if 0
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#undef CONFIG_BOOTARGS
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#define CONFIG_BOOTCOMMAND \
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"bootp; " \
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"setenv bootargs console=ttyS0,38400 debug " \
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"root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
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"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
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"bootm"
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#endif
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/*
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* BOOTP/DHCP protocol configuration
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*
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*/
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#define CONFIG_BOOTP_MASK ( CONFIG_BOOTP_DEFAULT | \
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CONFIG_BOOTP_DNS2 | \
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CONFIG_BOOTP_BOOTFILESIZE )
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/*
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* U-Boot Monitor Command Line Functions Configuration
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*
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*/
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#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
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CFG_CMD_ASKENV | \
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CFG_CMD_BEDBUG | \
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CFG_CMD_ELF | \
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CFG_CMD_IRQ | \
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CFG_CMD_I2C | \
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CFG_CMD_PCI | \
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CFG_CMD_DATE | \
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CFG_CMD_MII | \
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CFG_CMD_PING | \
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CFG_CMD_DHCP )
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/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
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#include <cmd_confdefs.h>
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/*
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* Serial download configuration
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*
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*/
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#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
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#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
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/*
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* KGDB Configuration
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*
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*/
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#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
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#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
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#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
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#endif
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/*
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* Miscellaneous configurable options
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*
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*/
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#undef CFG_HUSH_PARSER /* use "hush" command parser */
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#ifdef CFG_HUSH_PARSER
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#define CFG_PROMPT_HUSH_PS2 "> " /* hush shell secondary prompt */
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#endif
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#define CFG_LONGHELP /* undef to save memory */
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#define CFG_PROMPT "=> " /* Monitor Command Prompt */
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#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
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#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
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#else
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#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
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#endif
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#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
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#define CFG_MAXARGS 16 /* max number of command args */
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#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
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#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
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#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
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#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
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#define CFG_CLKS_IN_HZ 1 /* everything, incl board info, in Hz */
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#define CFG_EXTBDINFO 1 /* To use extended board_info (bd_t) */
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#define CFG_LOAD_ADDR 0x100000 /* default load address */
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/*
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* For booting Linux, the board info and command line data
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* have to be in the first 8 MB of memory, since this is
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* the maximum mapped by the Linux kernel during initialization.
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*/
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#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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/*
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* watchdog configuration
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*
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*/
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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/*
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* UART configuration
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*
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*/
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#define CFG_EXT_SERIAL_CLOCK 3868400 /* use external serial clock */
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#undef CFG_IGNORE_405_UART_ERRATA_59 /* ignore ppc405gp errata #59 */
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#undef CFG_BASE_BAUD
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#define CONFIG_BAUDRATE 38400 /* Default baud rate */
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#define CFG_BAUDRATE_TABLE \
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{ 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400 }
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/*
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* I2C configuration
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*
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*/
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#define CONFIG_HARD_I2C 1 /* I2C with hardware support */
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#define CFG_I2C_SPEED 100000 /* I2C speed */
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#define CFG_I2C_SLAVE 0x7F /* I2C slave address */
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/*
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* MII PHY configuration
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*
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*/
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#define CONFIG_MII 1 /* MII PHY management */
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#define CONFIG_PHY_ADDR 0 /* PHY address */
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#define CONFIG_PHY_CMD_DELAY 40 /* PHY COMMAND delay */
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/* 32usec min. for LXT971A */
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#define CONFIG_PHY_RESET_DELAY 300 /* PHY RESET recovery delay */
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/*
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* RTC configuration
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*
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* Note that DS1307 RTC is limited to 100Khz I2C bus.
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*
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*/
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#define CONFIG_RTC_DS1307 /* Use Dallas 1307 RTC */
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/*
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* PCI stuff
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*
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*/
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#define CONFIG_PCI /* include pci support */
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#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
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#define PCI_HOST_FORCE 1 /* configure as pci host */
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#define PCI_HOST_AUTO 2 /* detected via arbiter enable */
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#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
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#define CONFIG_PCI_PNP /* do pci plug-and-play */
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/* resource configuration */
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#undef CONFIG_PCI_SCAN_SHOW /* print pci devices @ startup */
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#define CONFIG_PCI_BOOTDELAY 0 /* enable pci bootdelay variable*/
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#define CFG_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
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#define CFG_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
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#define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
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#define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
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#define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
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#define CFG_PCI_PTM2LA 0x00000000 /* disabled */
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#define CFG_PCI_PTM2MS 0x00000000 /* disabled */
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#define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
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/*
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* IDE stuff
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*
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*/
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#undef CONFIG_IDE_PCMCIA /* no pcmcia interface required */
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#undef CONFIG_IDE_LED /* no led for ide supported */
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#undef CONFIG_IDE_RESET /* no reset for ide supported */
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/*
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* Environment configuration
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*
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*/
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#define CFG_ENV_IS_IN_FLASH 1 /* environment is in FLASH */
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#undef CFG_ENV_IS_IN_NVRAM
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#undef CFG_ENV_IS_IN_EEPROM
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/*
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* General Memory organization
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*
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* Start addresses for the final memory configuration
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* (Set up by the startup code)
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* Please note that CFG_SDRAM_BASE _must_ start at 0
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*/
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#define CFG_SDRAM_BASE 0x00000000
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#define CFG_FLASH_BASE 0xFE000000
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#define CFG_FLASH_SIZE 0x02000000
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#define CFG_MONITOR_BASE TEXT_BASE
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#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 KB for Monitor */
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#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 KB for malloc() */
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#if CFG_MONITOR_BASE < CFG_FLASH_BASE
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#define CFG_RAMSTART
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#endif
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#if defined(CFG_ENV_IS_IN_FLASH)
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#define CFG_ENV_IN_OWN_SECTOR 1 /* Give Environment own sector */
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#define CFG_ENV_ADDR 0xFFF00000 /* Address of Environment Sector */
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#define CFG_ENV_SIZE 0x00001000 /* Size of Environment */
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#define CFG_ENV_SECT_SIZE 0x00040000 /* Size of Environment Sector */
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#endif
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/*
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* FLASH Device configuration
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*
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*/
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#define CFG_FLASH_CFI 1 /* flash is CFI conformant */
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#define CFG_FLASH_CFI_DRIVER 1 /* use common cfi driver */
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#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
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#define CFG_MAX_FLASH_BANKS 1 /* max # of memory banks */
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#define CFG_FLASH_INCREMENT 0 /* there is only one bank */
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#define CFG_MAX_FLASH_SECT 128 /* max # of sectors on one chip */
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#define CFG_FLASH_PROTECTION 1 /* hardware flash protection */
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#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE }
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/*
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* On Chip Memory location/size
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*
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*/
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#define CFG_OCM_DATA_ADDR 0xF8000000
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#define CFG_OCM_DATA_SIZE 0x1000
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/*
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* Global info and initial stack
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*
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*/
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#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of on-chip SRAM */
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#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */
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#define CFG_GBL_DATA_SIZE 128 /* byte size reserved for initial data */
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#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
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#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
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/*
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* Cache configuration
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*
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*/
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#define CFG_DCACHE_SIZE 16384 /* For AMCC 405 CPUs, older 405 ppc's */
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/* have only 8kB, 16kB is save here */
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#define CFG_CACHELINE_SIZE 32
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/*
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* Miscellaneous board specific definitions
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*
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*/
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#define CFG_I2C_PLL_ADDR 0x58 /* I2C address of AMIS FS6377-01 PLL */
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#define CONFIG_I2CFAST 1 /* enable "i2cfast" env. setting */
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/*
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* Internal Definitions
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*
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* Boot Flags
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*
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*/
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#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
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#define BOOTFLAG_WARM 0x02 /* Software reboot */
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#endif /* __CONFIG_H */
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