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fe126d8b34
which makes the environment compatible with the hush shell. WARNING: Support for the old '$(...)' syntax will be discontinued in a later version.
414 lines
13 KiB
C
414 lines
13 KiB
C
/*
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* (C) Copyright 2001-2005
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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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/*
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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_MPC824X 1
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#define CONFIG_MPC8240 1
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#define CONFIG_SANDPOINT 1
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#if 0
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#define USE_DINK32 1
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#else
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#undef USE_DINK32
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#endif
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#define CONFIG_CONS_INDEX 1
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#define CONFIG_BAUDRATE 9600
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#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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#define CONFIG_TIMESTAMP /* Print image info with timestamp */
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#define CONFIG_PREBOOT "echo;" \
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"echo Type \"run net_nfs\" to mount root filesystem over NFS;" \
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"echo"
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#undef CONFIG_BOOTARGS
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"netdev=eth0\0" \
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"nfsargs=setenv bootargs root=/dev/nfs rw " \
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"nfsroot=${serverip}:${rootpath}\0" \
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"ramargs=setenv bootargs root=/dev/ram rw\0" \
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"addip=setenv bootargs ${bootargs} " \
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"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
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":${hostname}:${netdev}:off panic=1\0" \
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"net_self=tftp ${kernel_addr} ${bootfile};" \
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"tftp ${ramdisk_addr} ${ramdisk};" \
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"run ramargs addip;" \
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"bootm ${kernel_addr} ${ramdisk_addr}\0" \
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"net_nfs=tftp ${kernel_addr} ${bootfile};" \
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"run nfsargs addip;bootm\0" \
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"rootpath=/opt/eldk/ppc_82xx\0" \
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"bootfile=/tftpboot/SP8240/uImage\0" \
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"ramdisk=/tftpboot/SP8240/uRamdisk\0" \
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"kernel_addr=200000\0" \
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"ramdisk_addr=400000\0" \
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""
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#define CONFIG_BOOTCOMMAND "run flash_self"
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#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
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CFG_CMD_DHCP | \
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CFG_CMD_ELF | \
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CFG_CMD_I2C | \
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CFG_CMD_SDRAM | \
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CFG_CMD_EEPROM | \
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CFG_CMD_NFS | \
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CFG_CMD_PCI | \
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CFG_CMD_SNTP )
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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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#define CONFIG_DRAM_SPEED 100 /* MHz */
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/*
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* Miscellaneous configurable options
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*/
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#define CFG_LONGHELP 1 /* undef to save memory */
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#define CFG_PROMPT "=> " /* Monitor Command Prompt */
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#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
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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_LOAD_ADDR 0x00100000 /* default load address */
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#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
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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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#undef CONFIG_PCI_PNP
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#define CONFIG_NET_MULTI /* Multi ethernet cards support */
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#define CONFIG_EEPRO100
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#define CFG_RX_ETH_BUFFER 8 /* use 8 rx buffer on eepro100 */
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#define PCI_ENET0_IOADDR 0x80000000
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#define PCI_ENET0_MEMADDR 0x80000000
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#define PCI_ENET1_IOADDR 0x81000000
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#define PCI_ENET1_MEMADDR 0x81000000
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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_MAX_RAM_SIZE 0x10000000
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#define CFG_RESET_ADDRESS 0xFFF00100
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#if defined (USE_DINK32)
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#define CFG_MONITOR_LEN 0x00030000
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#define CFG_MONITOR_BASE 0x00090000
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#define CFG_RAMBOOT 1
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#define CFG_INIT_RAM_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
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#define CFG_INIT_RAM_END 0x10000
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#define CFG_GBL_DATA_SIZE 256 /* 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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#else
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#undef CFG_RAMBOOT
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#define CFG_MONITOR_LEN 0x00030000
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#define CFG_MONITOR_BASE TEXT_BASE
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/*#define CFG_GBL_DATA_SIZE 256*/
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#define CFG_GBL_DATA_SIZE 128
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#define CFG_INIT_RAM_ADDR 0x40000000
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#define CFG_INIT_RAM_END 0x1000
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#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
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#endif
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#define CFG_FLASH_BASE 0xFFF00000
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#if 0
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#define CFG_FLASH_SIZE (512 * 1024) /* sandpoint has tiny eeprom */
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#else
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#define CFG_FLASH_SIZE (1024 * 1024) /* Unity has onboard 1MByte flash */
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#endif
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#define CFG_ENV_IS_IN_FLASH 1
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#define CFG_ENV_OFFSET 0x00004000 /* Offset of Environment Sector */
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#define CFG_ENV_SIZE 0x00002000 /* Total Size of Environment Sector */
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#define CFG_MALLOC_LEN (512 << 10) /* Reserve 512 kB for malloc() */
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#define CFG_MEMTEST_START 0x00000000 /* memtest works on */
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#define CFG_MEMTEST_END 0x04000000 /* 0 ... 32 MB in DRAM */
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#define CFG_EUMB_ADDR 0xFC000000
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#define CFG_ISA_MEM 0xFD000000
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#define CFG_ISA_IO 0xFE000000
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#define CFG_FLASH_RANGE_BASE 0xFF000000 /* flash memory address range */
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#define CFG_FLASH_RANGE_SIZE 0x01000000
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#define FLASH_BASE0_PRELIM 0xFFF00000 /* sandpoint flash */
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#define FLASH_BASE1_PRELIM 0xFF000000 /* PMC onboard flash */
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/*
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* select i2c support configuration
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*
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* Supported configurations are {none, software, hardware} drivers.
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* If the software driver is chosen, there are some additional
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* configuration items that the driver uses to drive the port pins.
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*/
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#define CONFIG_HARD_I2C 1 /* To enable I2C support */
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#undef CONFIG_SOFT_I2C /* I2C bit-banged */
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#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
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#define CFG_I2C_SLAVE 0x7F
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#ifdef CONFIG_SOFT_I2C
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#error "Soft I2C is not configured properly. Please review!"
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#define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
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#define I2C_ACTIVE (iop->pdir |= 0x00010000)
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#define I2C_TRISTATE (iop->pdir &= ~0x00010000)
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#define I2C_READ ((iop->pdat & 0x00010000) != 0)
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#define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
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else iop->pdat &= ~0x00010000
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#define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
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else iop->pdat &= ~0x00020000
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#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
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#endif /* CONFIG_SOFT_I2C */
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#define CFG_I2C_EEPROM_ADDR 0x57 /* EEPROM IS24C02 */
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#define CFG_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */
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#define CFG_EEPROM_PAGE_WRITE_BITS 3 /* write page size */
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#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
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#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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#define CFG_FLASH_BANKS { FLASH_BASE0_PRELIM , FLASH_BASE1_PRELIM }
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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_WINBOND_83C553 1 /*has a winbond bridge */
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#define CFG_USE_WINBOND_IDE 0 /*use winbond 83c553 internal IDE ctrlr */
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#define CFG_WINBOND_ISA_CFG_ADDR 0x80005800 /*pci-isa bridge config addr */
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#define CFG_WINBOND_IDE_CFG_ADDR 0x80005900 /*ide config addr */
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#define CFG_IDE_MAXBUS 2 /* max. 2 IDE busses */
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#define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*2) /* max. 2 drives per IDE bus */
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/*
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* NS87308 Configuration
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*/
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#define CFG_NS87308 /* Nat Semi super-io controller on ISA bus */
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#define CFG_NS87308_BADDR_10 1
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#define CFG_NS87308_DEVS ( CFG_NS87308_UART1 | \
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CFG_NS87308_UART2 | \
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CFG_NS87308_POWRMAN | \
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CFG_NS87308_RTC_APC )
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#undef CFG_NS87308_PS2MOD
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#define CFG_NS87308_CS0_BASE 0x0076
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#define CFG_NS87308_CS0_CONF 0x30
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#define CFG_NS87308_CS1_BASE 0x0075
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#define CFG_NS87308_CS1_CONF 0x30
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#define CFG_NS87308_CS2_BASE 0x0074
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#define CFG_NS87308_CS2_CONF 0x30
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/*
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* NS16550 Configuration
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*/
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#define CFG_NS16550
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#define CFG_NS16550_SERIAL
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#define CFG_NS16550_REG_SIZE 1
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#define CFG_NS16550_CLK 1843200
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#define CFG_NS16550_COM1 (CFG_ISA_IO + CFG_NS87308_UART1_BASE)
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#define CFG_NS16550_COM2 (CFG_ISA_IO + CFG_NS87308_UART2_BASE)
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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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#define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */
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#define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER 1
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#define CFG_ROMNAL 7 /*rom/flash next access time */
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#define CFG_ROMFAL 11 /*rom/flash access time */
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#define CFG_REFINT 430 /* no of clock cycles between CBR refresh cycles */
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/* the following are for SDRAM only*/
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#define CFG_BSTOPRE 121 /* Burst To Precharge, sets open page interval */
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#define CFG_REFREC 8 /* Refresh to activate interval */
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#define CFG_RDLAT 4 /* data latency from read command */
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#define CFG_PRETOACT 3 /* Precharge to activate interval */
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#define CFG_ACTTOPRE 5 /* Activate to Precharge interval */
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#define CFG_ACTORW 3 /* Activate to R/W */
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#define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latency */
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#define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */
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#define CFG_SDMODE_BURSTLEN 2 /* SDMODE Burst length 2=4, 3=8 */
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#define CFG_REGISTERD_TYPE_BUFFER 1
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/* memory bank settings*/
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/*
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* only bits 20-29 are actually used from these vales to set the
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* start/end address the upper two bits will be 0, and the lower 20
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* bits will be set to 0x00000 for a start address, or 0xfffff for an
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* end address
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*/
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#define CFG_BANK0_START 0x00000000
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#define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
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#define CFG_BANK0_ENABLE 1
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#define CFG_BANK1_START 0x3ff00000
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#define CFG_BANK1_END 0x3fffffff
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#define CFG_BANK1_ENABLE 0
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#define CFG_BANK2_START 0x3ff00000
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#define CFG_BANK2_END 0x3fffffff
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#define CFG_BANK2_ENABLE 0
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#define CFG_BANK3_START 0x3ff00000
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#define CFG_BANK3_END 0x3fffffff
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#define CFG_BANK3_ENABLE 0
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#define CFG_BANK4_START 0x00000000
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#define CFG_BANK4_END 0x00000000
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#define CFG_BANK4_ENABLE 0
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#define CFG_BANK5_START 0x00000000
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#define CFG_BANK5_END 0x00000000
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#define CFG_BANK5_ENABLE 0
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#define CFG_BANK6_START 0x00000000
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#define CFG_BANK6_END 0x00000000
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#define CFG_BANK6_ENABLE 0
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#define CFG_BANK7_START 0x00000000
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#define CFG_BANK7_END 0x00000000
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#define CFG_BANK7_ENABLE 0
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/*
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* Memory bank enable bitmask, specifying which of the banks defined above
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are actually present. MSB is for bank #7, LSB is for bank #0.
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*/
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#define CFG_BANK_ENABLE 0x01
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#define CFG_ODCR 0xff /* configures line driver impedances, */
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/* see 8240 book for bit definitions */
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#define CFG_PGMAX 0x32 /* how long the 8240 retains the */
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/* currently accessed page in memory */
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/* see 8240 book for details */
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/* SDRAM 0 - 256MB */
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#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
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#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
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/* stack in DCACHE @ 1GB (no backing mem) */
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#if defined(USE_DINK32)
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#define CFG_IBAT1L (0x40000000 | BATL_PP_00 )
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#define CFG_IBAT1U (0x40000000 | BATU_BL_128K )
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#else
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#define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
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#define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
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#endif
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/* PCI memory */
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#define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
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#define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
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/* Flash, config addrs, etc */
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#define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
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#define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
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#define CFG_DBAT0L CFG_IBAT0L
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#define CFG_DBAT0U CFG_IBAT0U
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#define CFG_DBAT1L CFG_IBAT1L
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#define CFG_DBAT1U CFG_IBAT1U
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#define CFG_DBAT2L CFG_IBAT2L
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#define CFG_DBAT2U CFG_IBAT2U
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#define CFG_DBAT3L CFG_IBAT3L
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#define CFG_DBAT3U CFG_IBAT3U
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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 20 /* max number of sectors on one chip */
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#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
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#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
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/*-----------------------------------------------------------------------
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* Cache Configuration
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*/
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#define CFG_CACHELINE_SIZE 32 /* For MPC8240 CPU */
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#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
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# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
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#endif
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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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/* values according to the manual */
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#define CONFIG_DRAM_50MHZ 1
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#define CONFIG_SDRAM_50MHZ
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#undef NR_8259_INTS
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#define NR_8259_INTS 1
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#define CONFIG_DISK_SPINUP_TIME 1000000
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#endif /* __CONFIG_H */
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