|
|
|
|
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
|
|
|
|
|
- board/freescale/m54418twr/sbf_dram_init.S
|
|
|
|
|
DDR/SDRAM initialization
|
|
|
|
|
|
|
|
|
|
- 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_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
|
