510 lines
16 KiB
C
510 lines
16 KiB
C
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/*
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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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/*
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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_MPC8260 1 /* This is an MPC8260 CPU */
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#define CONFIG_ATC 1 /* ...on a ATC board */
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#define CONFIG_CPM2 1 /* Has a CPM2 */
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/*
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* select serial console configuration
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*
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* if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
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* CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
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* for SCC).
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*
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* if CONFIG_CONS_NONE is defined, then the serial console routines must
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* defined elsewhere (for example, on the cogent platform, there are serial
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* ports on the motherboard which are used for the serial console - see
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* cogent/cma101/serial.[ch]).
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*/
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#define CONFIG_CONS_ON_SMC /* define if console on SMC */
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#undef CONFIG_CONS_ON_SCC /* define if console on SCC */
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#undef CONFIG_CONS_NONE /* define if console on something else*/
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#define CONFIG_CONS_INDEX 2 /* which serial channel for console */
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#define CONFIG_BAUDRATE 115200
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/*
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* select ethernet configuration
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*
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* if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
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* CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
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* for FCC)
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*
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* if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
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* defined elsewhere (as for the console), or CFG_CMD_NET must be removed
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* from CONFIG_COMMANDS to remove support for networking.
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*
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*/
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#undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
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#undef CONFIG_ETHER_NONE /* define if ether on something else */
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#define CONFIG_ETHER_ON_FCC
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#define CONFIG_NET_MULTI
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#define CONFIG_ETHER_ON_FCC2
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/*
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* - Rx-CLK is CLK13
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* - Tx-CLK is CLK14
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* - RAM for BD/Buffers is on the 60x Bus (see 28-13)
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* - Enable Full Duplex in FSMR
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*/
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# define CFG_CMXFCR_MASK2 (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
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# define CFG_CMXFCR_VALUE2 (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
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# define CFG_CPMFCR_RAMTYPE 0
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# define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
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#define CONFIG_ETHER_ON_FCC3
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/*
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* - Rx-CLK is CLK15
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* - Tx-CLK is CLK16
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* - RAM for BD/Buffers is on the local Bus (see 28-13)
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* - Enable Half Duplex in FSMR
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*/
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# define CFG_CMXFCR_MASK3 (CMXFCR_FC3|CMXFCR_RF3CS_MSK|CMXFCR_TF3CS_MSK)
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# define CFG_CMXFCR_VALUE3 (CMXFCR_RF3CS_CLK15|CMXFCR_TF3CS_CLK16)
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/* system clock rate (CLKIN) - equal to the 60x and local bus speed */
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#define CONFIG_8260_CLKIN 64000000 /* in Hz */
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#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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#undef CONFIG_CLOCKS_IN_MHZ /* clocks passsed to Linux in Hz */
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#define CONFIG_PREBOOT \
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"echo;" \
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"echo Type \"run flash_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_BOOTCOMMAND \
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"bootp;" \
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"setenv bootargs root=/dev/nfs rw " \
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"nfsroot=${serverip}:${rootpath} " \
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"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;"\
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"bootm"
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/*-----------------------------------------------------------------------
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* Miscellaneous configuration options
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*/
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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_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
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#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
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CFG_CMD_EEPROM | \
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CFG_CMD_PCI | \
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CFG_CMD_PCMCIA | \
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CFG_CMD_DATE | \
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CFG_CMD_IDE)
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#define CONFIG_DOS_PARTITION
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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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* 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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#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_LOAD_ADDR 0x100000 /* 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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#define CFG_RESET_ADDRESS 0xFFF00100 /* "bad" address */
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#define CFG_ALLOC_DPRAM
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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#define CONFIG_SPI
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#define CONFIG_RTC_DS12887
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#define RTC_BASE_ADDR 0xF5000000
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#define RTC_PORT_ADDR RTC_BASE_ADDR + 0x800
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#define RTC_PORT_DATA RTC_BASE_ADDR + 0x808
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#define CONFIG_MISC_INIT_R
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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 configuration
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*/
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#define CFG_FLASH_BASE 0xFF000000
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#define CFG_FLASH_SIZE 0x00800000
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/*-----------------------------------------------------------------------
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* FLASH organization
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*/
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#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
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#define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
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#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
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#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
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#define CONFIG_FLASH_16BIT
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/*-----------------------------------------------------------------------
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* Hard Reset Configuration Words
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*
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* if you change bits in the HRCW, you must also change the CFG_*
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* defines for the various registers affected by the HRCW e.g. changing
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* HRCW_DPPCxx requires you to also change CFG_SIUMCR.
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*/
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#define CFG_HRCW_MASTER (HRCW_CIP | HRCW_ISB100 | HRCW_BMS | \
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HRCW_BPS10 |\
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HRCW_APPC10)
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/* no slaves so just fill with zeros */
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#define CFG_HRCW_SLAVE1 0
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#define CFG_HRCW_SLAVE2 0
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#define CFG_HRCW_SLAVE3 0
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#define CFG_HRCW_SLAVE4 0
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#define CFG_HRCW_SLAVE5 0
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#define CFG_HRCW_SLAVE6 0
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#define CFG_HRCW_SLAVE7 0
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/*-----------------------------------------------------------------------
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* Internal Memory Mapped Register
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*/
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#define CFG_IMMR 0xF0000000
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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 128 /* 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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* 60x SDRAM is mapped at CFG_SDRAM_BASE.
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*/
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#define CFG_SDRAM_BASE 0x00000000
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#define CFG_SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
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#define CFG_MONITOR_BASE TEXT_BASE
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#define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
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#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
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#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
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# define CFG_RAMBOOT
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#endif
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#define CONFIG_PCI
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#define CONFIG_PCI_PNP
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#define CFG_PCI_MSTR_IO_BUS 0x00000000 /* PCI base */
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#if 1
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/* environment is in Flash */
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#define CFG_ENV_IS_IN_FLASH 1
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# define CFG_ENV_ADDR (CFG_FLASH_BASE+0x30000)
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# define CFG_ENV_SIZE 0x10000
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# define CFG_ENV_SECT_SIZE 0x10000
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#else
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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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#define CFG_EEPROM_PAGE_WRITE_BITS 4 /* 16-byte page size */
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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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/*-----------------------------------------------------------------------
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* Cache Configuration
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*/
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#define CFG_CACHELINE_SIZE 32 /* For MPC8260 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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* HIDx - Hardware Implementation-dependent Registers 2-11
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*-----------------------------------------------------------------------
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* HID0 also contains cache control - initially enable both caches and
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* invalidate contents, then the final state leaves only the instruction
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* cache enabled. Note that Power-On and Hard reset invalidate the caches,
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* but Soft reset does not.
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*
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* HID1 has only read-only information - nothing to set.
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*/
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#define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|\
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HID0_DCI|HID0_IFEM|HID0_ABE)
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#define CFG_HID0_FINAL (HID0_IFEM|HID0_ABE)
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#define CFG_HID2 0
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/*-----------------------------------------------------------------------
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* RMR - Reset Mode Register 5-5
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*-----------------------------------------------------------------------
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* turn on Checkstop Reset Enable
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*/
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#define CFG_RMR RMR_CSRE
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/*-----------------------------------------------------------------------
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* BCR - Bus Configuration 4-25
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*-----------------------------------------------------------------------
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*/
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#define BCR_APD01 0x10000000
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#define CFG_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
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/*-----------------------------------------------------------------------
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* SIUMCR - SIU Module Configuration 4-31
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*-----------------------------------------------------------------------
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*/
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#define CFG_SIUMCR (SIUMCR_BBD|SIUMCR_APPC10|\
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SIUMCR_CS10PC00|SIUMCR_BCTLC10)
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/*-----------------------------------------------------------------------
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* SYPCR - System Protection Control 4-35
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* SYPCR can only be written once after reset!
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*-----------------------------------------------------------------------
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* Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
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*/
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#if defined(CONFIG_WATCHDOG)
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#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
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SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
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#else
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#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
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SYPCR_SWRI|SYPCR_SWP)
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#endif /* CONFIG_WATCHDOG */
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/*-----------------------------------------------------------------------
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* TMCNTSC - Time Counter Status and Control 4-40
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*-----------------------------------------------------------------------
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* Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
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* and enable Time Counter
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*/
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#define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
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/*-----------------------------------------------------------------------
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* PISCR - Periodic Interrupt Status and Control 4-42
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*-----------------------------------------------------------------------
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* Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
|
||
|
|
* Periodic timer
|
||
|
|
*/
|
||
|
|
#define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------
|
||
|
|
* SCCR - System Clock Control 9-8
|
||
|
|
*-----------------------------------------------------------------------
|
||
|
|
* Ensure DFBRG is Divide by 16
|
||
|
|
*/
|
||
|
|
#define CFG_SCCR SCCR_DFBRG01
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------
|
||
|
|
* RCCR - RISC Controller Configuration 13-7
|
||
|
|
*-----------------------------------------------------------------------
|
||
|
|
*/
|
||
|
|
#define CFG_RCCR 0
|
||
|
|
|
||
|
|
#define CFG_MIN_AM_MASK 0xC0000000
|
||
|
|
/*-----------------------------------------------------------------------
|
||
|
|
* MPTPR - Memory Refresh Timer Prescaler Register 10-18
|
||
|
|
*-----------------------------------------------------------------------
|
||
|
|
*/
|
||
|
|
#define CFG_MPTPR 0x1F00
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------
|
||
|
|
* PSRT - Refresh Timer Register 10-16
|
||
|
|
*-----------------------------------------------------------------------
|
||
|
|
*/
|
||
|
|
#define CFG_PSRT 0x0f
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------
|
||
|
|
* PSRT - SDRAM Mode Register 10-10
|
||
|
|
*-----------------------------------------------------------------------
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* SDRAM initialization values for 8-column chips
|
||
|
|
*/
|
||
|
|
#define CFG_OR2_8COL (CFG_MIN_AM_MASK |\
|
||
|
|
ORxS_BPD_4 |\
|
||
|
|
ORxS_ROWST_PBI1_A7 |\
|
||
|
|
ORxS_NUMR_12)
|
||
|
|
|
||
|
|
#define CFG_PSDMR_8COL (PSDMR_PBI |\
|
||
|
|
PSDMR_SDAM_A15_IS_A5 |\
|
||
|
|
PSDMR_BSMA_A15_A17 |\
|
||
|
|
PSDMR_SDA10_PBI1_A7 |\
|
||
|
|
PSDMR_RFRC_7_CLK |\
|
||
|
|
PSDMR_PRETOACT_3W |\
|
||
|
|
PSDMR_ACTTORW_2W |\
|
||
|
|
PSDMR_LDOTOPRE_1C |\
|
||
|
|
PSDMR_WRC_1C |\
|
||
|
|
PSDMR_CL_2)
|
||
|
|
|
||
|
|
/* SDRAM initialization values for 9-column chips
|
||
|
|
*/
|
||
|
|
#define CFG_OR2_9COL (CFG_MIN_AM_MASK |\
|
||
|
|
ORxS_BPD_4 |\
|
||
|
|
ORxS_ROWST_PBI1_A6 |\
|
||
|
|
ORxS_NUMR_12)
|
||
|
|
|
||
|
|
#define CFG_PSDMR_9COL (PSDMR_PBI |\
|
||
|
|
PSDMR_SDAM_A16_IS_A5 |\
|
||
|
|
PSDMR_BSMA_A15_A17 |\
|
||
|
|
PSDMR_SDA10_PBI1_A6 |\
|
||
|
|
PSDMR_RFRC_7_CLK |\
|
||
|
|
PSDMR_PRETOACT_3W |\
|
||
|
|
PSDMR_ACTTORW_2W |\
|
||
|
|
PSDMR_LDOTOPRE_1C |\
|
||
|
|
PSDMR_WRC_1C |\
|
||
|
|
PSDMR_CL_2)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Init Memory Controller:
|
||
|
|
*
|
||
|
|
* Bank Bus Machine PortSz Device
|
||
|
|
* ---- --- ------- ------ ------
|
||
|
|
* 0 60x GPCM 8 bit Boot ROM
|
||
|
|
* 1 60x GPCM 64 bit FLASH
|
||
|
|
* 2 60x SDRAM 64 bit SDRAM
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define CFG_MRS_OFFS 0x00000000
|
||
|
|
|
||
|
|
/* Bank 0 - FLASH
|
||
|
|
*/
|
||
|
|
#define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
|
||
|
|
BRx_PS_16 |\
|
||
|
|
BRx_MS_GPCM_P |\
|
||
|
|
BRx_V)
|
||
|
|
|
||
|
|
#define CFG_OR0_PRELIM (P2SZ_TO_AM(CFG_FLASH_SIZE) |\
|
||
|
|
ORxG_CSNT |\
|
||
|
|
ORxG_ACS_DIV1 |\
|
||
|
|
ORxG_SCY_3_CLK |\
|
||
|
|
ORxU_EHTR_8IDLE)
|
||
|
|
|
||
|
|
|
||
|
|
/* Bank 2 - 60x bus SDRAM
|
||
|
|
*/
|
||
|
|
#ifndef CFG_RAMBOOT
|
||
|
|
#define CFG_BR2_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
|
||
|
|
BRx_PS_64 |\
|
||
|
|
BRx_MS_SDRAM_P |\
|
||
|
|
BRx_V)
|
||
|
|
|
||
|
|
#define CFG_OR2_PRELIM CFG_OR2_8COL
|
||
|
|
|
||
|
|
#define CFG_PSDMR CFG_PSDMR_8COL
|
||
|
|
#endif /* CFG_RAMBOOT */
|
||
|
|
|
||
|
|
#define CFG_BR4_PRELIM ((RTC_BASE_ADDR & BRx_BA_MSK) |\
|
||
|
|
BRx_PS_8 |\
|
||
|
|
BRx_MS_UPMA |\
|
||
|
|
BRx_V)
|
||
|
|
|
||
|
|
#define CFG_OR4_PRELIM (ORxU_AM_MSK | ORxU_BI)
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------
|
||
|
|
* PCMCIA stuff
|
||
|
|
*-----------------------------------------------------------------------
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
#define CONFIG_I82365
|
||
|
|
|
||
|
|
#define CFG_PCMCIA_MEM_ADDR 0x81000000
|
||
|
|
#define CFG_PCMCIA_MEM_SIZE 0x1000
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------
|
||
|
|
* IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
|
||
|
|
*-----------------------------------------------------------------------
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
|
||
|
|
|
||
|
|
#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
|
||
|
|
#undef CONFIG_IDE_LED /* LED for ide not supported */
|
||
|
|
#undef CONFIG_IDE_RESET /* reset for ide not supported */
|
||
|
|
|
||
|
|
#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
|
||
|
|
#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
|
||
|
|
|
||
|
|
#define CFG_ATA_IDE0_OFFSET 0x0000
|
||
|
|
|
||
|
|
#define CFG_ATA_BASE_ADDR 0xa0000000
|
||
|
|
|
||
|
|
/* Offset for data I/O */
|
||
|
|
#define CFG_ATA_DATA_OFFSET 0x100
|
||
|
|
|
||
|
|
/* Offset for normal register accesses */
|
||
|
|
#define CFG_ATA_REG_OFFSET 0x100
|
||
|
|
|
||
|
|
/* Offset for alternate registers */
|
||
|
|
#define CFG_ATA_ALT_OFFSET 0x108
|
||
|
|
|
||
|
|
#endif /* __CONFIG_H */
|