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-Freescale MCF54418TWR ColdFire Development Board
-================================================
-
-TsiChung Liew(Tsi-Chung.Liew@freescale.com)
-Created Mar 22, 2012
-===========================================
-
-
-Changed files:
-==============
-
-- board/freescale/m54418twr/m54418twr.c Dram setup
-- board/freescale/m54418twr/Makefile Makefile
-- board/freescale/m54418twr/config.mk config make
-- board/freescale/m54418twr/u-boot.lds Linker description
-
-- arch/m68k/cpu/mcf5445x/cpu.c cpu specific code
-- arch/m68k/cpu/mcf5445x/cpu_init.c Flexbus ChipSelect, Mux pins setup, icache and RTC extra regs
-- arch/m68k/cpu/mcf5445x/interrupts.c cpu specific interrupt support
-- arch/m68k/cpu/mcf5445x/speed.c system, pci, flexbus, and cpu clock
-- arch/m68k/cpu/mcf5445x/Makefile Makefile
-- arch/m68k/cpu/mcf5445x/config.mk config make
-- arch/m68k/cpu/mcf5445x/start.S start up assembly code
-
-- doc/README.m54418twr This readme file
-
-- drivers/net/mcffec.c ColdFire common FEC driver
-- drivers/net/mcfmii.c ColdFire common MII driver
-- drivers/serial/mcfuart.c ColdFire common UART driver
-
-- arch/m68k/include/asm/bitops.h Bit operation function export
-- arch/m68k/include/asm/byteorder.h Byte order functions
-- arch/m68k/include/asm/fec.h FEC structure and definition
-- arch/m68k/include/asm/global_data.h Global data structure
-- arch/m68k/include/asm/immap.h ColdFire specific header file and driver macros
-- arch/m68k/include/asm/immap_5441x.h mcf5441x specific header file
-- arch/m68k/include/asm/io.h io functions
-- arch/m68k/include/asm/m5441x.h mcf5441x specific header file
-- arch/m68k/include/asm/posix_types.h Posix
-- arch/m68k/include/asm/processor.h header file
-- arch/m68k/include/asm/ptrace.h Exception structure
-- arch/m68k/include/asm/rtc.h Realtime clock header file
-- arch/m68k/include/asm/string.h String function export
-- arch/m68k/include/asm/timer.h Timer structure and definition
-- arch/m68k/include/asm/types.h Data types definition
-- arch/m68k/include/asm/uart.h Uart structure and definition
-- arch/m68k/include/asm/u-boot.h u-boot structure
-
-- include/configs/M54418TWR.h Board specific configuration file
-
-- arch/m68k/lib/board.c board init function
-- arch/m68k/lib/cache.c
-- arch/m68k/lib/interrupts.c Coldfire common interrupt functions
-- arch/m68k/lib/time.c Timer functions (Dma timer and PIT)
-- arch/m68k/lib/traps.c Exception init code
-
-1 MCF5441x specific Options/Settings
-====================================
-1.1 pre-loader is no longer suppoer in thie coldfire family
-
-1.2 Configuration settings for M54418TWR Development Board
-CONFIG_MCF5441x -- define for all MCF5441x CPUs
-CONFIG_M54418 -- define for all Freescale MCF54418 CPUs
-CONFIG_M54418TWR -- define for M54418TWR board
-
-CONFIG_MCFUART -- define to use common CF Uart driver
-CONFIG_SYS_UART_PORT -- define UART port number, start with 0, 1 and 2
-CONFIG_BAUDRATE -- define UART baudrate
-
-CONFIG_MCFFEC -- define to use common CF FEC driver
-CONFIG_MII -- enable to use MII driver
-CONFIG_SYS_DISCOVER_PHY -- enable PHY discovery
-CONFIG_SYS_RX_ETH_BUFFER -- Set FEC Receive buffer
-CONFIG_SYS_FAULT_ECHO_LINK_DOWN --
-CONFIG_SYS_FEC0_PINMUX -- Set FEC0 Pin configuration
-CONFIG_SYS_FEC1_PINMUX -- Set FEC1 Pin configuration
-CONFIG_SYS_FEC0_MIIBASE -- Set FEC0 MII base register
-CONFIG_SYS_FEC1_MIIBASE -- Set FEC0 MII base register
-MCFFEC_TOUT_LOOP -- set FEC timeout loop
-CONFIG_HAS_ETH1 -- define to enable second FEC in u-boot
-
-CONFIG_MCFTMR -- define to use DMA timer
-
-CONFIG_SYS_IMMR -- define for MBAR offset
-
-CONFIG_EXTRA_CLOCK -- Enable extra clock such as vco, flexbus, pci, etc
-
-CONFIG_SYS_MBAR -- define MBAR offset
-
-CONFIG_MONITOR_IS_IN_RAM -- Not support
-
-CONFIG_SYS_INIT_RAM_ADDR -- defines the base address of the MCF54455 internal SRAM
-
-CONFIG_SYS_CSn_BASE -- defines the Chip Select Base register
-CONFIG_SYS_CSn_MASK -- defines the Chip Select Mask register
-CONFIG_SYS_CSn_CTRL -- defines the Chip Select Control register
-
-CONFIG_SYS_SDRAM_BASE -- defines the DRAM Base
-
-2. MEMORY MAP UNDER U-BOOT AND LINUX KERNEL
-===========================================
-2.1. System memory map:
- MRAM: 0x00000000-0x0003FFFF (256KB)
- DDR: 0x40000000-0x47FFFFFF (128MB)
- SRAM: 0x80000000-0x8000FFFF (64KB)
- IP: 0xE0000000-0xFFFFFFFF (512MB)
-
-3. COMPILATION
-==============
-3.1 To create U-Boot the gcc-4.x compiler set (ColdFire ELF version)
-from codesourcery.com was used. Download it from:
-http://www.codesourcery.com/gnu_toolchains/coldfire/download.html
-
-3.2 Compilation
- export CROSS_COMPILE=cross-compile-prefix
- cd u-boot
- make distclean
- make M54418TWR_config, or - default to spi serial flash boot, 50Mhz input clock
- make M54418TWR_nand_mii_config, or - default to nand flash boot, mii mode, 25Mhz input clock
- make M54418TWR_nand_rmii_config, or - default to nand flash boot, rmii mode, 50Mhz input clock
- make M54418TWR_nand_rmii_lowfreq_config, or - default to nand flash boot, rmii mode, 50Mhz input clock
- make M54418TWR_serial_mii_config, or - default to spi serial flash boot, 25Mhz input clock
- make M54418TWR_serial_rmii_config, or - default to spi serial flash boot, 50Mhz input clock
- make
-
-4. SCREEN DUMP
-==============
-4.1 M54418TWR Development board
- Boot from NAND flash (NOTE: May not show exactly the same)
-
-U-Boot 2012.10-00209-g12ae1d8-dirty (Oct 18 2012 - 15:54:54)
-
-CPU: Freescale MCF54418 (Mask:a3 Version:1)
- CPU CLK 250 MHz BUS CLK 125 MHz FLB CLK 125 MHz
- INP CLK 50 MHz VCO CLK 500 MHz
-Board: Freescale MCF54418 Tower System
-SPI: ready
-DRAM: 128 MiB
-NAND: 256 MiB
-In: serial
-Out: serial
-Err: serial
-Net: FEC0, FEC1
--> pri
-baudrate=115200
-bootargs=root=/dev/mtdblock2 rw rootfstype=jffs2 mtdparts=NAND:1M(u-boot)ro,7M(k
-ernel)ro,-(jffs2) console=ttyS0,115200
-bootdelay=2
-eth1addr=00:e0:0c:bc:e5:61
-ethact=FEC0
-ethaddr=00:e0:0c:bc:e5:60
-fileaddr=40010000
-filesize=27354
-gatewayip=192.168.1.1
-hostname=M54418TWR
-inpclk=50000000
-ipaddr=192.168.1.2
-load=tftp ${loadaddr} ${u-boot};
-loadaddr=0x40010000
-mem=129024k
-netdev=eth0
-netmask=255.255.255.0
-prog=nand device 0;nand erase 0 40000;nb_update ${loadaddr} ${filesize};save
-serverip=192.168.1.1
-stderr=serial
-stdin=serial
-stdout=serial
-u-boot=u-boot.bin
-upd=run load; run prog
-
-Environment size: 653/131068 bytes
--> bdinfo
-memstart = 0x40000000
-memsize = 0x08000000
-flashstart = 0x00000000
-flashsize = 0x00000000
-flashoffset = 0x00000000
-sramstart = 0x80000000
-sramsize = 0x00010000
-mbar = 0xFC000000
-cpufreq = 250 MHz
-busfreq = 125 MHz
-flbfreq = 125 MHz
-inpfreq = 50 MHz
-vcofreq = 500 MHz
-ethaddr = 00:e0:0c:bc:e5:60
-eth1addr = 00:e0:0c:bc:e5:61
-ip_addr = 192.168.1.2
-baudrate = 115200 bps
--> help
-? - alias for 'help'
-base - print or set address offset
-bdinfo - print Board Info structure
-boot - boot default, i.e., run 'bootcmd'
-bootd - boot default, i.e., run 'bootcmd'
-bootelf - Boot from an ELF image in memory
-bootm - boot application image from memory
-bootp - boot image via network using BOOTP/TFTP protocol
-bootvx - Boot vxWorks from an ELF image
-cmp - memory compare
-coninfo - print console devices and information
-cp - memory copy
-crc32 - checksum calculation
-dcache - enable or disable data cache
-dhcp - boot image via network using DHCP/TFTP protocol
-echo - echo args to console
-editenv - edit environment variable
-env - environment handling commands
-exit - exit script
-false - do nothing, unsuccessfully
-go - start application at address 'addr'
-help - print command description/usage
-icache - enable or disable instruction cache
-iminfo - print header information for application image
-imxtract- extract a part of a multi-image
-itest - return true/false on integer compare
-loop - infinite loop on address range
-md - memory display
-mdio - MDIO utility commands
-mii - MII utility commands
-mm - memory modify (auto-incrementing address)
-mtest - simple RAM read/write test
-mw - memory write (fill)
-nand - NAND sub-system
-nb_update- Nand boot update program
-nboot - boot from NAND device
-nfs - boot image via network using NFS protocol
-nm - memory modify (constant address)
-ping - send ICMP ECHO_REQUEST to network host
-printenv- print environment variables
-reginfo - print register information
-reset - Perform RESET of the CPU
-run - run commands in an environment variable
-saveenv - save environment variables to persistent storage
-setenv - set environment variables
-sf - SPI flash sub-system
-showvar - print local hushshell variables
-sleep - delay execution for some time
-source - run script from memory
-sspi - SPI utility command
-test - minimal test like /bin/sh
-tftpboot- boot image via network using TFTP protocol
-true - do nothing, successfully
-version - print monitor, compiler and linker version