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02b11f8e09
Using external watchdog for KUP4 boards in mpc8xx/cpu.c; load_sernum_ethaddr() for KUP4 boards in lib_ppc/board.c; various changes to KUP4 board specific files
489 lines
16 KiB
C
489 lines
16 KiB
C
/*
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* (C) Copyright 2000-2004
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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* Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.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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* Derived from ../tqm8xx/tqm8xx.c
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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_MPC855 1 /* This is a MPC855 CPU */
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#define CONFIG_KUP4K 1 /* ...on a KUP4K module */
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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 115200 /* console baudrate */
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#if 0
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#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
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#else
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#define CONFIG_BOOTDELAY 1 /* autoboot after 1 second */
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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_BOARD_TYPES 1 /* support board types */
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#undef CONFIG_BOOTARGS
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"slot_a_boot=setenv bootargs root=/dev/hda2 ip=off;" \
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"run addhw; diskboot 200000 0:1; bootm 200000\0" \
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"slot_b_boot=setenv bootargs root=/dev/hda2 ip=off;" \
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"run addhw; diskboot 200000 2:1; bootm 200000\0" \
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"nfs_boot=dhcp; run nfsargs addip addhw; bootm 200000\0" \
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"panic_boot=echo No Bootdevice !!! reset\0" \
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"nfsargs=setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath)\0" \
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"ramargs=setenv bootargs root=/dev/ram rw\0" \
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"addip=setenv bootargs $(bootargs) ip=$(ipaddr):$(serverip):$(gatewayip)" \
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":$(netmask):$(hostname):$(netdev):off\0" \
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"addhw=setenv bootargs $(bootargs) hw=$(hw) key1=$(key1) panic=1\0" \
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"netdev=eth0\0" \
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"contrast=55\0" \
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"silent=1\0" \
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"load=tftp 200000 bootloader-4k.bitmap;tftp 100000 bootloader-4k.bin\0" \
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"update=protect off 1:0-7;era 1:0-7;cp.b 100000 40000000 $(filesize);" \
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"cp.b 200000 40050000 14000\0"
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#define CONFIG_BOOTCOMMAND \
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"run slot_a_boot;run slot_b_boot;run nfs_boot;run panic_boot"
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#define CONFIG_MISC_INIT_R 1
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#define CONFIG_MISC_INIT_F 1
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#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
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#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
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#define CONFIG_WATCHDOG 1 /* watchdog enabled */
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#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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#define CONFIG_MAC_PARTITION
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#define CONFIG_DOS_PARTITION
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/*
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* enable I2C and select the hardware/software driver
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*/
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#undef CONFIG_HARD_I2C /* I2C with hardware support */
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#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
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#define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */
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#define CFG_I2C_SLAVE 0xFE
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#ifdef CONFIG_SOFT_I2C
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/*
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* Software (bit-bang) I2C driver configuration
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*/
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#define PB_SCL 0x00000020 /* PB 26 */
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#define PB_SDA 0x00000010 /* PB 27 */
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#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
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#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
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#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
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#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
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#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
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else immr->im_cpm.cp_pbdat &= ~PB_SDA
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#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
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else immr->im_cpm.cp_pbdat &= ~PB_SCL
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#define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
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#endif /* CONFIG_SOFT_I2C */
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/*-----------------------------------------------------------------------
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* I2C Configuration
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*/
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#define CFG_I2C_PICIO_ADDR 0x21 /* PCF8574 IO Expander */
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#define CFG_I2C_RTC_ADDR 0x51 /* PCF8563 RTC */
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/* List of I2C addresses to be verified by POST */
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#define I2C_ADDR_LIST {CFG_I2C_PICIO_ADDR, \
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CFG_I2C_RTC_ADDR, \
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}
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#define CONFIG_RTC_PCF8563 /* use Philips PCF8563 RTC */
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#define CFG_DISCOVER_PHY
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#if 0
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#define CONFIG_ETHADDR 00:0B:64:00:00:00 /* our OUI from IEEE */
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#endif
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#define CONFIG_KUP4K_LOGO 0x40050000 /* Address of logo bitmap */
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/* Define to allow the user to overwrite serial and ethaddr */
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#define CONFIG_ENV_OVERWRITE
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#if 1
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/* POST support */
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#define CONFIG_POST (CFG_POST_CPU | \
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CFG_POST_RTC | \
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CFG_POST_I2C)
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#ifdef CONFIG_POST
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#define CFG_CMD_POST_DIAG CFG_CMD_DIAG
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#else
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#define CFG_CMD_POST_DIAG 0
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#endif
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#endif
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#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
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CFG_CMD_DHCP | \
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CFG_CMD_I2C | \
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CFG_CMD_DATE | \
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CFG_CMD_POST_DIAG | \
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CFG_CMD_IDE )
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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 0x000400000 /* memtest works on */
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#define CFG_MEMTEST_END 0x002C00000 /* 4 ... 44 MB in DRAM */
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#define CFG_LOAD_ADDR 0x200000 /* 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, 115200 }
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#define CFG_CONSOLE_INFO_QUIET 1
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/*
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* Low Level Configuration Settings
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* (address mappings, register initial values, etc.)
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* You should know what you are doing if you make changes here.
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*/
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/*-----------------------------------------------------------------------
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* Internal Memory Mapped Register
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*/
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#define CFG_IMMR 0xFFF00000
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/*-----------------------------------------------------------------------
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* Definitions for initial stack pointer and data area (in DPRAM)
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*/
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#define CFG_INIT_RAM_ADDR CFG_IMMR
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#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
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#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
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#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
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#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
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/*-----------------------------------------------------------------------
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* Start addresses for the final memory configuration
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* (Set up by the startup code)
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* Please note that CFG_SDRAM_BASE _must_ start at 0
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*/
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#define CFG_SDRAM_BASE 0x00000000
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#define CFG_FLASH_BASE 0x40000000
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#define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
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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 19 /* 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 0x40000 /* Offset of Environment Sector */
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#define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
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#define CFG_ENV_SECT_SIZE 0x10000
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/* Address and size of Redundant Environment Sector */
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#if 0
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#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
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#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
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#endif
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/*-----------------------------------------------------------------------
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* Hardware Information Block
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*/
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#if 1
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#define CFG_HWINFO_OFFSET 0x000F0000 /* offset of HW Info block */
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#define CFG_HWINFO_SIZE 0x00000100 /* size of HW Info block */
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#define CFG_HWINFO_MAGIC 0x4B26500D /* 'K&P<CR>' */
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#endif
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/*-----------------------------------------------------------------------
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* Cache Configuration
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*/
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#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
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#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
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#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
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#endif
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/*-----------------------------------------------------------------------
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* SYPCR - System Protection Control 11-9
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* SYPCR can only be written once after reset!
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*-----------------------------------------------------------------------
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* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
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*/
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#if 0 && defined(CONFIG_WATCHDOG) /* KUP uses external TPS3705 WD */
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#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
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SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
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#else
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#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
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#endif
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/*-----------------------------------------------------------------------
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* SIUMCR - SIU Module Configuration 11-6
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*-----------------------------------------------------------------------
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* PCMCIA config., multi-function pin tri-state
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*/
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#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC00)
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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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* If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
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*/
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#define CFG_PLPRCR ( (5-1)<<PLPRCR_MF_SHIFT | 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_EBDF00
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#define CFG_SCCR (SCCR_TBS | SCCR_EBDF01 | \
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SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
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SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
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SCCR_DFALCD00)
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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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/* KUP4K use both slots, SLOT_A as "primary". */
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#define CONFIG_PCMCIA_SLOT_A 1
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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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#define PCMCIA_SOCKETS_NO 2
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#define PCMCIA_MEM_WIN_NO 8
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/*-----------------------------------------------------------------------
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* IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
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*-----------------------------------------------------------------------
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*/
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#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
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#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
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#define CONFIG_IDE_LED 1 /* LED for ide supported */
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#undef CONFIG_IDE_RESET /* reset for ide not supported */
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#define CFG_IDE_MAXBUS 2
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#define CFG_IDE_MAXDEVICE 4
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#define CFG_ATA_IDE0_OFFSET 0x0000
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#define CFG_ATA_IDE1_OFFSET (4 * CFG_PCMCIA_MEM_SIZE)
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#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
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/* Offset for data I/O */
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#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
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/* Offset for normal register accesses */
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#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
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/* Offset for alternate registers */
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#define CFG_ATA_ALT_OFFSET 0x0100
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/*-----------------------------------------------------------------------
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*
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*-----------------------------------------------------------------------
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*
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*/
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#define CFG_DER 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 0x40000000 /* FLASH bank #0 */
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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_REMAP_OR_AM 0x80000000 /* OR addr mask */
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#define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
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/*
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* FLASH timing:
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*/
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#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
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OR_SCY_2_CLK | OR_EHTR | OR_BI)
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#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
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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_16 | BR_V )
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/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
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#define CFG_OR_TIMING_SDRAM 0x00000A00
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/*
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* Memory Periodic Timer Prescaler
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*
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* The Divider for PTA (refresh timer) configuration is based on an
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* example SDRAM configuration (64 MBit, one bank). The adjustment to
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* the number of chip selects (NCS) and the actually needed refresh
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* rate is done by setting MPTPR.
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*
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* PTA is calculated from
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* PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
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*
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* gclk CPU clock (not bus clock!)
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* Trefresh Refresh cycle * 4 (four word bursts used)
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*
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* 4096 Rows from SDRAM example configuration
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* 1000 factor s -> ms
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* 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
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* 4 Number of refresh cycles per period
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* 64 Refresh cycle in ms per number of rows
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* --------------------------------------------
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* Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
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*
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* 50 MHz => 50.000.000 / Divider = 98
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* 66 Mhz => 66.000.000 / Divider = 129
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* 80 Mhz => 80.000.000 / Divider = 156
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*/
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#if defined(CONFIG_80MHz)
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#define CFG_MAMR_PTA 156
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#elif defined(CONFIG_66MHz)
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#define CFG_MAMR_PTA 129
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#else /* 50 MHz */
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#define CFG_MAMR_PTA 98
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#endif /*CONFIG_??MHz */
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/*
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* For 16 MBit, refresh rates could be 31.3 us
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* (= 64 ms / 2K = 125 / quad bursts).
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* For a simpler initialization, 15.6 us is used instead.
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*
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* #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
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* #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
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*/
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#define CFG_MPTPR 0x400
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/*
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* MAMR settings for SDRAM
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*/
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#define CFG_MAMR 0x80802114
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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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#define CONFIG_AUTOBOOT_KEYED /* use key strings to stop autoboot */
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#if 0
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#define CONFIG_AUTOBOOT_PROMPT "Boote in %d Sekunden - stop mit \"2\"\n"
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#endif
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#define CONFIG_AUTOBOOT_STOP_STR "." /* easy to stop for now */
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#define CONFIG_SILENT_CONSOLE 1
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|
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#endif /* __CONFIG_H */
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