440 lines
14 KiB
C
440 lines
14 KiB
C
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/*
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* (C) Copyright 2000, 2001
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* Modified by Udi Finkelstein udif@udif.com
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* For the RBC823 board.
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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_MPC823 1 /* This is a MPC823 CPU */
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#define CONFIG_RBC823 1 /* ...on a RBC823 module */
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#if 0
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#define DEBUG 1
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#define CONFIG_LAST_STAGE_INIT
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#endif
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#define CONFIG_KEYBOARD 1 /* This board has a custom keybpard */
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#define CONFIG_LCD 1 /* use LCD controller ... */
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#define CONFIG_HITACHI_SP19X001_Z1A /* The LCD type we use */
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#define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */
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#undef CONFIG_8xx_CONS_SMC1
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#undef CONFIG_8xx_CONS_NONE
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#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
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#if 1
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#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
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#else
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#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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#endif
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#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
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#define CONFIG_8xx_GCLK_FREQ 48000000L
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#define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;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 nfsroot=${serverip}:${rootpath} " \
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"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
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"bootm"
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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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#undef CONFIG_WATCHDOG /* watchdog disabled */
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#define CONFIG_STATUS_LED 1 /* Status LED enabled */
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#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
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#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
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#undef CONFIG_MAC_PARTITION
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#define CONFIG_DOS_PARTITION
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#undef CONFIG_RTC_MPC8xx /* don't use internal RTC of MPC8xx (no battery) */
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#define CONFIG_HARD_I2C
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#define CFG_I2C_SPEED 40000
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#define CFG_I2C_SLAVE 0xfe
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#define CFG_I2C_EEPROM_ADDR 0x50
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#define CFG_I2C_EEPROM_ADDR_LEN 1
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#define CFG_EEPROM_WRITE_BITS 4
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#define CFG_EEPROM_WRITE_DELAY_MS 10
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#define CONFIG_COMMANDS ( CFG_CMD_ALL & \
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~CFG_CMD_BSP & \
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~CFG_CMD_DATE & \
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~CFG_CMD_DISPLAY& \
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~CFG_CMD_DTT & \
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~CFG_CMD_EXT2 & \
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~CFG_CMD_FDC & \
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~CFG_CMD_FDOS & \
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~CFG_CMD_HWFLOW & \
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~CFG_CMD_IDE & \
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~CFG_CMD_IRQ & \
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~CFG_CMD_JFFS2 & \
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~CFG_CMD_MII & \
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~CFG_CMD_MMC & \
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~CFG_CMD_NAND & \
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~CFG_CMD_PCI & \
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~CFG_CMD_PCMCIA & \
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~CFG_CMD_REISER & \
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~CFG_CMD_SCSI & \
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~CFG_CMD_SETGETDCR & \
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~CFG_CMD_SNTP & \
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~CFG_CMD_SPI & \
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~CFG_CMD_UNIVERSE & \
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~CFG_CMD_USB & \
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~CFG_CMD_VFD & \
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~CFG_CMD_XIMG )
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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 0x0100000 /* default load address */
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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 0xFF000000
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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 0xFFF00000
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#if defined(DEBUG)
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#define CFG_MONITOR_LEN (384 << 10) /* Reserve 256 kB for Monitor */
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#else
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#define CFG_MONITOR_LEN (384 << 10) /* Reserve 192 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 1 /* max number of memory banks */
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#define CFG_MAX_FLASH_SECT 67 /* 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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#define CFG_ENV_IS_IN_FLASH 1
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#define CFG_ENV_OFFSET 0x10000 /* Offset of Environment Sector */
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#define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
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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 defined(CONFIG_WATCHDOG)
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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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/*
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#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
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*/
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#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWRI | 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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#define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC00 | SIUMCR_FRC)
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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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* RTCSC - Real-Time Clock Status and Control Register 11-27
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*-----------------------------------------------------------------------
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*/
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#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
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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
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*
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*/
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/*
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* for 48 MHz, we use a 4 MHz clock * 12
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*/
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#define CFG_PLPRCR \
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( (12-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_LOLRE )
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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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#define CFG_SCCR (SCCR_RTDIV | SCCR_RTSEL | SCCR_CRQEN | \
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SCCR_PRQEN | SCCR_EBDF00 | \
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SCCR_COM01 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
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SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD001 | \
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SCCR_DFALCD00)
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#ifdef NOT_USED
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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 (0xE0000000)
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#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_DMA_ADDR (0xE4000000)
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#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
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#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_IO_ADDR (0xEC000000)
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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_PCCARD 1 /* Use IDE with PC Card Adapter */
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#undef CONFIG_IDE_PCMCIA /* 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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#endif
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/************************************************************
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* Disk-On-Chip configuration
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************************************************************/
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#define CFG_MAX_DOC_DEVICE 1 /* Max number of DOC devices */
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#define CFG_DOC_SHORT_TIMEOUT
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#define CFG_DOC_SUPPORT_2000
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#define CFG_DOC_SUPPORT_MILLENNIUM
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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)
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*/
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#define FLASH_BASE0_PRELIM 0xFFF00000 /* FLASH bank #0 */
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#define FLASH_BASE1_PRELIM 0x04000000 /* D.O.C Millenium */
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/* used to re-map FLASH both when starting from SRAM or 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_PRELIM_OR_AM 0xFFF80000 /* OR addr mask */
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/* FLASH timing: ACS = 00, TRLX = 0, CSNT = 1, SCY = 7, EHTR = 1 */
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#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_BI | OR_SCY_7_CLK | OR_EHTR)
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#define CFG_OR_TIMING_MSYS (OR_ACS_DIV1 | OR_BI)
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#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
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#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V)
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#define CFG_OR1_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_MSYS)
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#define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMB | \
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BR_PS_8 | BR_V)
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/*
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* BR4 and OR4 (SDRAM)
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*
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*/
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#define SDRAM_BASE4_PRELIM 0x00000000 /* SDRAM bank #0 */
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#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
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/*
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* SDRAM timing:
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*/
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#define CFG_OR_TIMING_SDRAM (OR_CSNT_SAM)
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#define CFG_OR4_PRELIM (~(SDRAM_MAX_SIZE-1) | CFG_OR_TIMING_SDRAM )
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#define CFG_BR4_PRELIM ((SDRAM_BASE4_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
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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_MAMR_PTA 187 /* start with divider for 48 MHz */
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/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
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#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
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#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
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/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
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#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
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#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
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/*
|
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* MAMR settings for SDRAM
|
||
|
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*/
|
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/* 8 column SDRAM */
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#define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
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MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
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MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
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/* 9 column SDRAM */
|
||
|
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#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
|
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MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
|
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MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
|
||
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|
||
|
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|
||
|
|
/*
|
||
|
|
* Internal Definitions
|
||
|
|
*
|
||
|
|
* Boot Flags
|
||
|
|
*/
|
||
|
|
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
|
||
|
|
#define BOOTFLAG_WARM 0x02 /* Software reboot */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* JFFS2 partitions
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
/* No command line, one static partition, whole device */
|
||
|
|
#undef CONFIG_JFFS2_CMDLINE
|
||
|
|
#define CONFIG_JFFS2_DEV "nor0"
|
||
|
|
#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
|
||
|
|
#define CONFIG_JFFS2_PART_OFFSET 0x00000000
|
||
|
|
|
||
|
|
/* mtdparts command line support */
|
||
|
|
/* Note: fake mtd_id used, no linux mtd map file */
|
||
|
|
/*
|
||
|
|
#define CONFIG_JFFS2_CMDLINE
|
||
|
|
#define MTDIDS_DEFAULT ""
|
||
|
|
#define MTDPARTS_DEFAULT ""
|
||
|
|
*/
|
||
|
|
|
||
|
|
#endif /* __CONFIG_H */
|