mirror of
https://github.com/AsahiLinux/u-boot
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2535d60277
add delay to get I2C working with "imm" command and s3c24x0_i2c.c
* Patch by Richard Woodruff, 17 July 03:
- Fixed bug in OMAP1510 baud rate divisor settings.
* Patch by Nye Liu, 16 July 2003:
MPC860FADS fixes:
- add MPC86xADS support (uses MPC86xADS.h)
- add 866P/T core support (also MPC859T/MPC859DSL/MPC852T)
o PLPRCR changes
o BRG changes (EXTAL/XTAL restricted to 10MHz)
o don't trust gclk() software measurement by default, depend on
CONFIG_8xx_GCLK_FREQ
- add DRAM SIMM not installed detection
- use more "correct" SDRAM initialization sequence
- allow different SDRAM sizes (8xxADS has 8M)
- default DER is 0
- remove unused MAMR defines from FADS860T.h (all done in fads.c)
- rename MAMR/MBMR defines to be more consistent. Should eventually
be merged into MxMR to better reflect the PowerQUICC datasheet.
* Patch by Yuli Barcohen, 16 Jul 2003:
support new Motorola PQ2FADS-ZU evaluation board which replaced
MPC8260ADS and MPC8266ADS
471 lines
16 KiB
C
471 lines
16 KiB
C
/*
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* A collection of structures, addresses, and values associated with
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* the Motorola 860T FADS board. Copied from the MBX stuff.
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* Magnus Damm added defines for 8xxrom and extended bd_info.
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* Helmut Buchsbaum added bitvalues for BCSRx
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*
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* Copyright (c) 1998 Dan Malek (dmalek@jlc.net)
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*/
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/*
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* 1999-nov-26: The FADS is using the following physical memorymap:
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*
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* ff020000 -> ff02ffff : pcmcia
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* ff010000 -> ff01ffff : BCSR connected to CS1, setup by 8xxrom
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* ff000000 -> ff00ffff : IMAP internal in the cpu
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* fe000000 -> ffnnnnnn : flash connected to CS0, setup by 8xxrom
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* 00000000 -> nnnnnnnn : sdram/dram setup by 8xxrom
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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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#include <mpc8xx_irq.h>
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/* board type */
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#define CONFIG_FADS 1 /* old/new FADS + new ADS */
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/* processor type */
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#define CONFIG_MPC860T 1 /* 860T */
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#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
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#undef CONFIG_8xx_CONS_SMC2
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#undef CONFIG_8xx_CONS_NONE
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#define CONFIG_BAUDRATE 38400
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#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
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#if 0 /* old FADS */
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# define CFG_8XX_FACT 12 /* Multiply by 12 */
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# define CFG_8XX_XIN 4000000 /* 4 MHz in */
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#else /* new FADS */
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# define CFG_8XX_FACT 10 /* Multiply by 10 */
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# define CFG_8XX_XIN 5000000 /* 5 MHz in */
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#endif
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#define MPC8XX_HZ ((CFG_8XX_XIN) * (CFG_8XX_FACT))
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/* should ALWAYS define this, measure_gclk in speed.c is unreliable */
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/* in general, we always know this for FADS+new ADS anyway */
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#define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ
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/* most vanilla kernels do not like this, set to 0 if in doubt */
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#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
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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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#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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#undef CONFIG_WATCHDOG /* watchdog disabled */
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/* ATA / IDE and partition support */
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#define CONFIG_MAC_PARTITION 1
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#define CONFIG_DOS_PARTITION 1
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#define CONFIG_ISO_PARTITION 1
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#undef CONFIG_ATAPI
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#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
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#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
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#undef CONFIG_IDE_LED /* LED for ide not supported */
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#undef CONFIG_IDE_RESET /* reset for ide not supported */
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/* choose SCC1 ethernet (10BASET on motherboard)
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* or FEC ethernet (10/100 on daughterboard)
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*/
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#if 0
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#define CONFIG_SCC1_ENET 1 /* use SCC1 ethernet */
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#undef CONFIG_FEC_ENET /* disable FEC ethernet */
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#else /* all 86x cores have FECs, if in doubt, use it */
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#undef CONFIG_SCC1_ENET /* disable SCC1 ethernet */
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#define CONFIG_FEC_ENET 1 /* use FEC ethernet */
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#define CFG_DISCOVER_PHY
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#endif
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#if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
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#error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
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#endif
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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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#undef 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 0x0100000 /* memtest works on */
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#if (CFG_SDRAM_SIZE)
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#define CFG_MEMTEST_END CFG_SDRAM_SIZE /* 1 ... SDRAM_SIZE */
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#else
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#define CFG_MEMTEST_END 0x0400000 /* 1 ... 4 MB in DRAM */
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#endif
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#define CFG_LOAD_ADDR 0x00100000
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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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#define CFG_IMMR_SIZE ((uint)(64 * 1024))
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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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#ifdef CONFIG_FADS
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# define CFG_SDRAM_SIZE 0x00400000 /* 4 meg */
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#else /* !CONFIG_FADS */ /* old ADS */
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# define CFG_SDRAM_SIZE 0x00000000 /* NO SDRAM */
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#endif
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#define CFG_FLASH_BASE 0x02800000
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#define CFG_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */
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#define CFG_MONITOR_LEN (272 << 10) /* Reserve 272 kB for Monitor */
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#define CFG_MONITOR_BASE CFG_FLASH_BASE
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#define CFG_MALLOC_LEN (384 << 10) /* Reserve 384 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 16 /* 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 0x00040000
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#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
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#define CFG_ENV_SECT_SIZE 0x40000 /* see README - env sector total size */
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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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#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
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#endif
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/*-----------------------------------------------------------------------
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* SIUMCR - SIU Module Configuration 11-6
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*-----------------------------------------------------------------------
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* PCMCIA config., multi-function pin tri-state
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*/
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#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
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/*-----------------------------------------------------------------------
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* TBSCR - Time Base Status and Control 11-26
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*-----------------------------------------------------------------------
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* Clear Reference Interrupt Status, Timebase freezing enabled
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*/
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#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
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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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* set the PLL, the low-power modes and the reset control (15-29)
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*/
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#define CFG_PLPRCR (((CFG_8XX_FACT-1) << PLPRCR_MF_SHIFT) | \
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PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
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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_TBS|SCCR_COM00|SCCR_DFSYNC00|SCCR_DFBRG00|SCCR_DFNL000|SCCR_DFNH000|SCCR_DFLCD000|SCCR_DFALCD00)
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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 0
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/* Because of the way the 860 starts up and assigns CS0 the
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* entire address space, we have to set the memory controller
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* differently. Normally, you write the option register
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* first, and then enable the chip select by writing the
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* base register. For CS0, you must write the base register
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* first, followed by the option register.
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*/
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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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/* the other CS:s are determined by looking at parameters in BCSRx */
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#define BCSR_ADDR ((uint) 0xFF010000)
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#define BCSR_SIZE ((uint)(64 * 1024))
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#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
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#define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
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/* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */
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#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX)
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#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
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#ifdef USE_REAL_FLASH_VALUES
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/*
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* These values fit our FADS860T ...
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* The "default" behaviour with 1Mbyte initial doesn't work for us!
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*/
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#define CFG_OR0_PRELIM 0x0FFC00D34 /* Real values for the board */
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#define CFG_BR0_PRELIM 0x02800001 /* Real values for the board */
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#else
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#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) /* 8 Mbyte until detected */
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#define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BR_BA_MSK) | BR_V )
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#endif
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/* BCSRx - Board Control and Status Registers */
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#define CFG_OR1_REMAP CFG_OR0_REMAP
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#define CFG_OR1_PRELIM 0xffff8110 /* 64Kbyte address space */
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#define CFG_BR1_PRELIM ((BCSR_ADDR) | BR_V )
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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 PCMCIA_MEM_ADDR ((uint)0xff020000)
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#define PCMCIA_MEM_SIZE ((uint)(64 * 1024))
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#define BCSR0 ((uint) (BCSR_ADDR + 00))
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#define BCSR1 ((uint) (BCSR_ADDR + 0x04))
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#define BCSR2 ((uint) (BCSR_ADDR + 0x08))
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#define BCSR3 ((uint) (BCSR_ADDR + 0x0c))
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#define BCSR4 ((uint) (BCSR_ADDR + 0x10))
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/* FADS bitvalues by Helmut Buchsbaum
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* see MPC8xxADS User's Manual for a proper description
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* of the following structures
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*/
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#define BCSR0_ERB ((uint)0x80000000)
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#define BCSR0_IP ((uint)0x40000000)
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#define BCSR0_BDIS ((uint)0x10000000)
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#define BCSR0_BPS_MASK ((uint)0x0C000000)
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#define BCSR0_ISB_MASK ((uint)0x01800000)
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#define BCSR0_DBGC_MASK ((uint)0x00600000)
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#define BCSR0_DBPC_MASK ((uint)0x00180000)
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#define BCSR0_EBDF_MASK ((uint)0x00060000)
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#define BCSR1_FLASH_EN ((uint)0x80000000)
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#define BCSR1_DRAM_EN ((uint)0x40000000)
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#define BCSR1_ETHEN ((uint)0x20000000)
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#define BCSR1_IRDEN ((uint)0x10000000)
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#define BCSR1_FLASH_CFG_EN ((uint)0x08000000)
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#define BCSR1_CNT_REG_EN_PROTECT ((uint)0x04000000)
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#define BCSR1_BCSR_EN ((uint)0x02000000)
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#define BCSR1_RS232EN_1 ((uint)0x01000000)
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#define BCSR1_PCCEN ((uint)0x00800000)
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#define BCSR1_PCCVCC0 ((uint)0x00400000)
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#define BCSR1_PCCVPP_MASK ((uint)0x00300000)
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#define BCSR1_DRAM_HALF_WORD ((uint)0x00080000)
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#define BCSR1_RS232EN_2 ((uint)0x00040000)
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#define BCSR1_SDRAM_EN ((uint)0x00020000)
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#define BCSR1_PCCVCC1 ((uint)0x00010000)
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#define BCSR2_FLASH_PD_MASK ((uint)0xF0000000)
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#define BCSR2_DRAM_PD_MASK ((uint)0x07800000)
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#define BCSR2_DRAM_PD_SHIFT (23)
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#define BCSR2_EXTTOLI_MASK ((uint)0x00780000)
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#define BCSR2_DBREVNR_MASK ((uint)0x00030000)
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#define BCSR3_DBID_MASK ((ushort)0x3800)
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#define BCSR3_CNT_REG_EN_PROTECT ((ushort)0x0400)
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#define BCSR3_BREVNR0 ((ushort)0x0080)
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#define BCSR3_FLASH_PD_MASK ((ushort)0x0070)
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#define BCSR3_BREVN1 ((ushort)0x0008)
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#define BCSR3_BREVN2_MASK ((ushort)0x0003)
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#define BCSR4_ETHLOOP ((uint)0x80000000)
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#define BCSR4_TFPLDL ((uint)0x40000000)
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#define BCSR4_TPSQEL ((uint)0x20000000)
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#define BCSR4_SIGNAL_LAMP ((uint)0x10000000)
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#ifdef CONFIG_MPC823
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#define BCSR4_USB_EN ((uint)0x08000000)
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#endif /* CONFIG_MPC823 */
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#ifdef CONFIG_MPC860SAR
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#define BCSR4_UTOPIA_EN ((uint)0x08000000)
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#endif /* CONFIG_MPC860SAR */
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#ifdef CONFIG_MPC860T
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#define BCSR4_FETH_EN ((uint)0x08000000)
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#endif /* CONFIG_MPC860T */
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#ifdef CONFIG_MPC823
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#define BCSR4_USB_SPEED ((uint)0x04000000)
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#endif /* CONFIG_MPC823 */
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#ifdef CONFIG_MPC860T
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#define BCSR4_FETHCFG0 ((uint)0x04000000)
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#endif /* CONFIG_MPC860T */
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#ifdef CONFIG_MPC823
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#define BCSR4_VCCO ((uint)0x02000000)
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#endif /* CONFIG_MPC823 */
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#ifdef CONFIG_MPC860T
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#define BCSR4_FETHFDE ((uint)0x02000000)
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#endif /* CONFIG_MPC860T */
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#ifdef CONFIG_MPC823
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#define BCSR4_VIDEO_ON ((uint)0x00800000)
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#endif /* CONFIG_MPC823 */
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#ifdef CONFIG_MPC823
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#define BCSR4_VDO_EKT_CLK_EN ((uint)0x00400000)
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#endif /* CONFIG_MPC823 */
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#ifdef CONFIG_MPC860T
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#define BCSR4_FETHCFG1 ((uint)0x00400000)
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#endif /* CONFIG_MPC860T */
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#ifdef CONFIG_MPC823
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#define BCSR4_VIDEO_RST ((uint)0x00200000)
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#endif /* CONFIG_MPC823 */
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#ifdef CONFIG_MPC860T
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#define BCSR4_FETHRST ((uint)0x00200000)
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#endif /* CONFIG_MPC860T */
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#ifdef CONFIG_MPC823
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#define BCSR4_MODEM_EN ((uint)0x00100000)
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#endif /* CONFIG_MPC823 */
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#ifdef CONFIG_MPC823
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#define BCSR4_DATA_VOICE ((uint)0x00080000)
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#endif /* CONFIG_MPC823 */
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#ifdef CONFIG_MPC850
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#define BCSR4_DATA_VOICE ((uint)0x00080000)
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#endif /* CONFIG_MPC850 */
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#define CONFIG_DRAM_50MHZ 1
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#define CONFIG_SDRAM_50MHZ 1
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#ifdef CONFIG_MPC860T
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/* Interrupt level assignments.
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*/
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#define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */
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#endif /* CONFIG_MPC860T */
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/* We don't use the 8259.
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*/
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#define NR_8259_INTS 0
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/* Machine type
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*/
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#define _MACH_8xx (_MACH_fads)
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#define CONFIG_DISK_SPINUP_TIME 1000000
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/* PCMCIA configuration */
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#define PCMCIA_MAX_SLOTS 2
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#ifdef CONFIG_MPC860
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#define PCMCIA_SLOT_A 1
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#endif
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/*#define CFG_PCMCIA_MEM_SIZE ( 64 << 20) */
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#define CFG_PCMCIA_MEM_ADDR (0x50000000)
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#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_DMA_ADDR (0x54000000)
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#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_ATTRB_ADDR (0x58000000)
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#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_IO_ADDR (0x5C000000)
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#define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
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/* we have 8 windows, we take everything up to 60000000 */
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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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|
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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 0x0000
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|
/*#define CFG_ATA_ALT_OFFSET 0x0100 */
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|
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|
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#endif /* __CONFIG_H */
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