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https://github.com/AsahiLinux/u-boot
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ea909b7604
* Patch by Rod Boyce, 21 Nov 2002: fix PCMCIA on MBX8xx board * Patch by Pierre Aubert , 21 Nov 2002 Add CFG_CPM_POST_WORD_ADDR to make the offset of the bootmode word in DPRAM configurable
538 lines
18 KiB
C
538 lines
18 KiB
C
/*
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* (C) Copyright 2001
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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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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/* External logbuffer support */
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#define CONFIG_LOGBUFFER
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/* Reserve space for the logbuffer */
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#ifdef CONFIG_LOGBUFFER
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#define CONFIG_PRAM 20
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#endif
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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_MPC823 1 /* This is a MPC823E CPU */
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#define CONFIG_LWMON 1 /* ...on a LWMON board */
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#define CONFIG_BOARD_PRE_INIT 1 /* Call board_pre_init */
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#define CONFIG_LCD 1 /* use LCD controller ... */
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#define CONFIG_HLD1045 1 /* ... with a HLD1045 display */
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#if 1
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#define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */
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#else
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#define CONFIG_8xx_CONS_SCC2
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#endif
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#define CONFIG_BAUDRATE 115200 /* with watchdog >= 38400 needed */
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#define CONFIG_BOOTDELAY 1 /* autoboot after 1 second */
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#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
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/* pre-boot commands */
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#define CONFIG_PREBOOT "setenv bootdelay 15"
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#undef CONFIG_BOOTARGS
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/* POST support */
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#define CONFIG_POST (CFG_POST_CACHE | \
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CFG_POST_WATCHDOG | \
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CFG_POST_RTC | \
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CFG_POST_MEMORY | \
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CFG_POST_CPU | \
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CFG_POST_UART | \
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CFG_POST_ETHER | \
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CFG_POST_I2C | \
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CFG_POST_SPI | \
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CFG_POST_USB | \
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CFG_POST_SPR)
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#define CONFIG_BOOTCOMMAND "run flash_self"
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"kernel_addr=40040000\0" \
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"ramdisk_addr=40100000\0" \
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"magic_keys=#3\0" \
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"key_magic#=28\0" \
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"key_cmd#=setenv addfb setenv bootargs \\$(bootargs) console=tty0\0" \
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"key_magic3=24\0" \
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"key_cmd3=echo *** Entering Test Mode ***;" \
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"setenv add_misc setenv bootargs \\$(bootargs) testmode\0" \
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"nfsargs=setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath)\0" \
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"ramargs=setenv bootargs root=/dev/ram rw\0" \
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"addfb=setenv bootargs $(bootargs) console=ttyS1,$(baudrate)\0" \
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"addip=setenv bootargs $(bootargs) " \
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"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off " \
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"panic=1\0" \
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"add_wdt=setenv bootargs $(bootargs) $(wdt_args)\0" \
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"flash_nfs=run nfsargs addip add_wdt addfb;" \
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"bootm $(kernel_addr)\0" \
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"flash_self=run ramargs addip add_wdt addfb;" \
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"bootm $(kernel_addr) $(ramdisk_addr)\0" \
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"net_nfs=tftp 100000 /tftpboot/pImage.lwmon;" \
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"run nfsargs addip add_wdt addfb;bootm\0" \
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"rootpath=/opt/eldk/ppc_8xx\0" \
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"load=tftp 100000 /tftpboot/u-boot.bin\0" \
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"update=protect off 1:0;era 1:0;cp.b 100000 40000000 $(filesize)\0" \
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"wdt_args=wdt_8xx=off\0" \
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"verify=no"
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#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
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#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
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#define CONFIG_WATCHDOG 1 /* watchdog enabled */
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#undef CONFIG_STATUS_LED /* Status LED disabled */
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/* enable I2C and select the hardware/software driver */
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#undef CONFIG_HARD_I2C /* I2C with hardware support */
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#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
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#define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */
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#define CFG_I2C_SLAVE 0xFE
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#ifdef CONFIG_SOFT_I2C
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/*
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* Software (bit-bang) I2C driver configuration
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*/
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#define PB_SCL 0x00000020 /* PB 26 */
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#define PB_SDA 0x00000010 /* PB 27 */
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#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
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#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
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#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
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#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
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#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
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else immr->im_cpm.cp_pbdat &= ~PB_SDA
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#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
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else immr->im_cpm.cp_pbdat &= ~PB_SCL
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#define I2C_DELAY udelay(1) /* 1/4 I2C clock duration */
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#endif /* CONFIG_SOFT_I2C */
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#define CONFIG_RTC_PCF8563 /* use Philips PCF8563 RTC */
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#ifdef CONFIG_POST
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#define CFG_CMD_POST_DIAG CFG_CMD_DIAG
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#else
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#define CFG_CMD_POST_DIAG 0
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#endif
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#ifdef CONFIG_8xx_CONS_SCC2 /* Can't use ethernet, then */
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#define CONFIG_COMMANDS ( (CONFIG_CMD_DFL & ~CFG_CMD_NET) | \
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CFG_CMD_DATE | \
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CFG_CMD_I2C | \
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CFG_CMD_EEPROM | \
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CFG_CMD_IDE | \
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CFG_CMD_BSP | \
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CFG_CMD_POST_DIAG )
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#else
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#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
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CFG_CMD_DHCP | \
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CFG_CMD_DATE | \
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CFG_CMD_I2C | \
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CFG_CMD_EEPROM | \
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CFG_CMD_IDE | \
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CFG_CMD_BSP | \
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CFG_CMD_POST_DIAG )
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#endif
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#define CONFIG_MAC_PARTITION
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#define CONFIG_DOS_PARTITION
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#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
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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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/*
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* Miscellaneous configurable options
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*/
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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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#undef CFG_HUSH_PARSER /* enable "hush" shell */
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#ifdef CFG_HUSH_PARSER
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#define CFG_PROMPT_HUSH_PS2 "> "
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#endif
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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 0x00100000 /* memtest works on */
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#define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
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#define CFG_LOAD_ADDR 0x00100000 /* default load address */
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#define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
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#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
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#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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/*
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* Low Level Configuration Settings
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* (address mappings, register initial values, etc.)
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* You should know what you are doing if you make changes here.
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*/
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/*-----------------------------------------------------------------------
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* Internal Memory Mapped Register
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*/
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#define CFG_IMMR 0xFFF00000
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/*-----------------------------------------------------------------------
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* Definitions for initial stack pointer and data area (in DPRAM)
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*/
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#define CFG_INIT_RAM_ADDR CFG_IMMR
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#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
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#define CFG_GBL_DATA_SIZE 64 /* size in bytes 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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* 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 0x40000000
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#if defined(DEBUG) || (CONFIG_COMMANDS & CFG_CMD_IDE)
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#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
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#else
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#define CFG_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */
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#endif
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#define CFG_MONITOR_BASE CFG_FLASH_BASE
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#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
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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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* FLASH organization
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*/
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#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
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#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
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#define CFG_FLASH_ERASE_TOUT 180000 /* Timeout for Flash Erase (in ms) */
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#define CFG_FLASH_WRITE_TOUT 600 /* Timeout for Flash Write (in ms) */
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#if 1
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/* Put environment in flash which is much faster to boot */
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#define CFG_ENV_IS_IN_FLASH 1
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#define CFG_ENV_ADDR 0x40040000 /* Address of Environment Sector */
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#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment */
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#define CFG_ENV_SECT_SIZE 0x40000 /* we have BIG sectors only :-( */
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#else
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/* Environment in EEPROM */
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#define CFG_ENV_IS_IN_EEPROM 1
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#define CFG_ENV_OFFSET 0
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#define CFG_ENV_SIZE 2048
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#endif
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/*-----------------------------------------------------------------------
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* I2C/EEPROM Configuration
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*/
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#define CFG_I2C_AUDIO_ADDR 0x28 /* Audio volume control */
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#define CFG_I2C_SYSMON_ADDR 0x2E /* LM87 System Monitor */
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#define CFG_I2C_RTC_ADDR 0x51 /* PCF8563 RTC */
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#define CFG_I2C_POWER_A_ADDR 0x52 /* PCMCIA/USB power switch, channel A */
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#define CFG_I2C_POWER_B_ADDR 0x53 /* PCMCIA/USB power switch, channel B */
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#define CFG_I2C_KEYBD_ADDR 0x56 /* PIC LWE keyboard */
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#define CFG_I2C_PICIO_ADDR 0x57 /* PIC IO Expander */
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#define CONFIG_USE_FRAM /* Use FRAM instead of EEPROM */
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#ifdef CONFIG_USE_FRAM /* use FRAM */
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#define CFG_I2C_EEPROM_ADDR 0x55 /* FRAM FM24CL64 */
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#define CFG_I2C_EEPROM_ADDR_LEN 2
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#else /* use EEPROM */
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#define CFG_I2C_EEPROM_ADDR 0x58 /* EEPROM AT24C164 */
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#define CFG_I2C_EEPROM_ADDR_LEN 1
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#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
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#endif /* CONFIG_USE_FRAM */
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#define CFG_EEPROM_PAGE_WRITE_BITS 4
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/*-----------------------------------------------------------------------
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* Cache Configuration
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*/
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#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
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#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
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#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
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#endif
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/*-----------------------------------------------------------------------
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* SYPCR - System Protection Control 11-9
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* SYPCR can only be written once after reset!
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*-----------------------------------------------------------------------
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* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
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*/
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#if 0 && defined(CONFIG_WATCHDOG) /* LWMON uses external MAX706TESA WD */
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#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
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SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
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#else
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#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
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#endif
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/*-----------------------------------------------------------------------
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* SIUMCR - SIU Module Configuration 11-6
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*-----------------------------------------------------------------------
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* PCMCIA config., multi-function pin tri-state
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*/
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/* EARB, DBGC and DBPC are initialised by the HCW */
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/* => 0x000000C0 */
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#define CFG_SIUMCR (SIUMCR_GB5E)
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/*#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) */
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/*-----------------------------------------------------------------------
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* TBSCR - Time Base Status and Control 11-26
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*-----------------------------------------------------------------------
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* Clear Reference Interrupt Status, Timebase freezing enabled
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*/
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#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
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/*-----------------------------------------------------------------------
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* PISCR - Periodic Interrupt Status and Control 11-31
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*-----------------------------------------------------------------------
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* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
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*/
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#define CFG_PISCR (PISCR_PS | PISCR_PITF)
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/*-----------------------------------------------------------------------
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* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
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*-----------------------------------------------------------------------
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* Reset PLL lock status sticky bit, timer expired status bit and timer
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* interrupt status bit, set PLL multiplication factor !
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*/
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/* 0x00405000 */
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#define CFG_PLPRCR_MF 4 /* (4+1) * 13.2 = 66 MHz Clock */
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#define CFG_PLPRCR \
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( (CFG_PLPRCR_MF << PLPRCR_MF_SHIFT) | \
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PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | \
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/*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \
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PLPRCR_CSR /*| PLPRCR_LOLRE|PLPRCR_FIOPD*/ \
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)
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#define CONFIG_8xx_GCLK_FREQ ((CFG_PLPRCR_MF+1)*13200000)
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/*-----------------------------------------------------------------------
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* SCCR - System Clock and reset Control Register 15-27
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*-----------------------------------------------------------------------
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* Set clock output, timebase and RTC source and divider,
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* power management and some other internal clocks
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*/
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#define SCCR_MASK SCCR_EBDF11
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/* 0x01800000 */
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#define CFG_SCCR (SCCR_COM00 | /*SCCR_TBS|*/ \
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SCCR_RTDIV | SCCR_RTSEL | \
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/*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \
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SCCR_EBDF00 | SCCR_DFSYNC00 | \
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SCCR_DFBRG00 | SCCR_DFNL000 | \
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SCCR_DFNH000 | SCCR_DFLCD100 | \
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SCCR_DFALCD01)
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/*-----------------------------------------------------------------------
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* RTCSC - Real-Time Clock Status and Control Register 11-27
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*-----------------------------------------------------------------------
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*/
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/* 0x00C3 => 0x0003 */
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#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
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/*-----------------------------------------------------------------------
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* RCCR - RISC Controller Configuration Register 19-4
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*-----------------------------------------------------------------------
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*/
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#define CFG_RCCR 0x0000
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/*-----------------------------------------------------------------------
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* RMDS - RISC Microcode Development Support Control Register
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*-----------------------------------------------------------------------
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*/
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#define CFG_RMDS 0
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/*-----------------------------------------------------------------------
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*
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* Interrupt Levels
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*-----------------------------------------------------------------------
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*/
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#define CFG_CPM_INTERRUPT 13 /* SIU_LEVEL6 */
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/*-----------------------------------------------------------------------
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* PCMCIA stuff
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*-----------------------------------------------------------------------
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*
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*/
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#define CFG_PCMCIA_MEM_ADDR (0x50000000)
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#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_DMA_ADDR (0x54000000)
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#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_ATTRB_ADDR (0x58000000)
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#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_IO_ADDR (0x5C000000)
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#define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
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/*-----------------------------------------------------------------------
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* IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
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*-----------------------------------------------------------------------
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*/
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#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
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#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
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#undef CONFIG_IDE_LED /* LED for ide not supported */
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#undef CONFIG_IDE_RESET /* reset for ide not supported */
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#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
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#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
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#define CFG_ATA_IDE0_OFFSET 0x0000
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#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
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/* Offset for data I/O */
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#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
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/* Offset for normal register accesses */
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#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
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/* Offset for alternate registers */
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#define CFG_ATA_ALT_OFFSET 0x0100
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/*-----------------------------------------------------------------------
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*
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*-----------------------------------------------------------------------
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*
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*/
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/*#define CFG_DER 0x2002000F*/
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#define CFG_DER 0
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/*
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* Init Memory Controller:
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*
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* BR0/1 and OR0/1 (FLASH) - second Flash bank optional
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*/
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#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
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#define FLASH_BASE1_PRELIM 0x41000000 /* FLASH bank #1 */
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/* used to re-map FLASH:
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* restrict access enough to keep SRAM working (if any)
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* but not too much to meddle with FLASH accesses
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*/
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#define CFG_REMAP_OR_AM 0xFF000000 /* OR addr mask */
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#define CFG_PRELIM_OR_AM 0xFF000000 /* OR addr mask */
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/* FLASH timing: ACS = 00, TRLX = 0, CSNT = 1, SCY = 8, EHTR = 0 */
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#define CFG_OR_TIMING_FLASH (OR_SCY_8_CLK)
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#define CFG_OR0_REMAP ( CFG_REMAP_OR_AM | OR_CSNT_SAM | OR_ACS_DIV1 | OR_BI | \
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CFG_OR_TIMING_FLASH)
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#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | OR_ACS_DIV1 | OR_BI | \
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CFG_OR_TIMING_FLASH)
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/* 16 bit, bank valid */
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#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_32 | BR_V )
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#define CFG_OR1_REMAP CFG_OR0_REMAP
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#define CFG_OR1_PRELIM CFG_OR0_PRELIM
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#define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_PS_32 | BR_V )
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/*
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* BR3/OR3: SDRAM
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*
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* Multiplexed addresses, GPL5 output to GPL5_A (don't care)
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*/
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#define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank */
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#define SDRAM_PRELIM_OR_AM 0xF0000000 /* map 256 MB (>SDRAM_MAX_SIZE!) */
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#define SDRAM_TIMING OR_SCY_0_CLK /* SDRAM-Timing */
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#define SDRAM_MAX_SIZE 0x08000000 /* max 128 MB SDRAM */
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#define CFG_OR3_PRELIM (SDRAM_PRELIM_OR_AM | OR_CSNT_SAM | OR_G5LS | SDRAM_TIMING )
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#define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
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/*
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* BR5/OR5: Touch Panel
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*
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* AM=0xFFC00 ATM=0 CSNT/SAM=0 ACS/G5LA/G5LS=3 BIH=1 SCY=0 SETA=0 TRLX=0 EHTR=0
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*/
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#define TOUCHPNL_BASE 0x20000000
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#define TOUCHPNL_OR_AM 0xFFFF8000
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#define TOUCHPNL_TIMING OR_SCY_0_CLK
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#define CFG_OR5_PRELIM (TOUCHPNL_OR_AM | OR_CSNT_SAM | OR_ACS_DIV1 | OR_BI | \
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TOUCHPNL_TIMING )
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#define CFG_BR5_PRELIM ((TOUCHPNL_BASE & BR_BA_MSK) | BR_PS_32 | BR_V )
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#define CFG_MEMORY_75
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#undef CFG_MEMORY_7E
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#undef CFG_MEMORY_8E
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/*
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* Memory Periodic Timer Prescaler
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*/
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/* periodic timer for refresh */
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#define CFG_MPTPR 0x200
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/*
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* MAMR settings for SDRAM
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*/
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#define CFG_MAMR_8COL 0x80802114
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#define CFG_MAMR_9COL 0x80904114
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/*
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* MAR setting for SDRAM
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*/
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#define CFG_MAR 0x00000088
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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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#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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