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1Freescale MCF54418TWR ColdFire Development Board
2================================================
3
4TsiChung Liew([email protected])
5Created Mar 22, 2012
6===========================================
7
8
9Changed files:
10==============
11
12- board/freescale/m54418twr/m54418twr.c Dram setup
13- board/freescale/m54418twr/Makefile Makefile
14- board/freescale/m54418twr/config.mk config make
15- board/freescale/m54418twr/u-boot.lds Linker description
16- board/freescale/m54418twr/sbf_dram_init.S
17 DDR/SDRAM initialization
18
19- arch/m68k/cpu/mcf5445x/cpu.c cpu specific code
20- arch/m68k/cpu/mcf5445x/cpu_init.c Flexbus ChipSelect, Mux pins setup, icache and RTC extra regs
21- arch/m68k/cpu/mcf5445x/interrupts.c cpu specific interrupt support
22- arch/m68k/cpu/mcf5445x/speed.c system, pci, flexbus, and cpu clock
23- arch/m68k/cpu/mcf5445x/Makefile Makefile
24- arch/m68k/cpu/mcf5445x/config.mk config make
25- arch/m68k/cpu/mcf5445x/start.S start up assembly code
26
27- doc/README.m54418twr This readme file
28
29- drivers/net/mcffec.c ColdFire common FEC driver
30- drivers/net/mcfmii.c ColdFire common MII driver
31- drivers/serial/mcfuart.c ColdFire common UART driver
32
33- arch/m68k/include/asm/bitops.h Bit operation function export
34- arch/m68k/include/asm/byteorder.h Byte order functions
35- arch/m68k/include/asm/fec.h FEC structure and definition
36- arch/m68k/include/asm/global_data.h Global data structure
37- arch/m68k/include/asm/immap.h ColdFire specific header file and driver macros
38- arch/m68k/include/asm/immap_5441x.h mcf5441x specific header file
39- arch/m68k/include/asm/io.h io functions
40- arch/m68k/include/asm/m5441x.h mcf5441x specific header file
41- arch/m68k/include/asm/posix_types.h Posix
42- arch/m68k/include/asm/processor.h header file
43- arch/m68k/include/asm/ptrace.h Exception structure
44- arch/m68k/include/asm/rtc.h Realtime clock header file
45- arch/m68k/include/asm/string.h String function export
46- arch/m68k/include/asm/timer.h Timer structure and definition
47- arch/m68k/include/asm/types.h Data types definition
48- arch/m68k/include/asm/uart.h Uart structure and definition
49- arch/m68k/include/asm/u-boot.h u-boot structure
50
51- include/configs/M54418TWR.h Board specific configuration file
52
53- arch/m68k/lib/board.c board init function
54- arch/m68k/lib/cache.c
55- arch/m68k/lib/interrupts.c Coldfire common interrupt functions
56- arch/m68k/lib/time.c Timer functions (Dma timer and PIT)
57- arch/m68k/lib/traps.c Exception init code
58
591 MCF5441x specific Options/Settings
60====================================
611.1 pre-loader is no longer suppoer in thie coldfire family
62
631.2 Configuration settings for M54418TWR Development Board
64CONFIG_MCF5441x -- define for all MCF5441x CPUs
65CONFIG_M54418 -- define for all Freescale MCF54418 CPUs
66
67CONFIG_MCFUART -- define to use common CF Uart driver
68CONFIG_SYS_UART_PORT -- define UART port number, start with 0, 1 and 2
69CONFIG_BAUDRATE -- define UART baudrate
70
71CONFIG_MCFFEC -- define to use common CF FEC driver
72CONFIG_MII -- enable to use MII driver
73CONFIG_SYS_DISCOVER_PHY -- enable PHY discovery
74CONFIG_SYS_RX_ETH_BUFFER -- Set FEC Receive buffer
75CONFIG_SYS_FAULT_ECHO_LINK_DOWN --
76CONFIG_SYS_FEC0_PINMUX -- Set FEC0 Pin configuration
77CONFIG_SYS_FEC1_PINMUX -- Set FEC1 Pin configuration
78CONFIG_SYS_FEC0_MIIBASE -- Set FEC0 MII base register
79CONFIG_SYS_FEC1_MIIBASE -- Set FEC0 MII base register
80MCFFEC_TOUT_LOOP -- set FEC timeout loop
81CONFIG_HAS_ETH1 -- define to enable second FEC in u-boot
82
83CONFIG_MCFTMR -- define to use DMA timer
84
85CONFIG_SYS_IMMR -- define for MBAR offset
86
87CONFIG_EXTRA_CLOCK -- Enable extra clock such as vco, flexbus, pci, etc
88
89CONFIG_SYS_MBAR -- define MBAR offset
90
91CONFIG_MONITOR_IS_IN_RAM -- Not support
92
93CONFIG_SYS_INIT_RAM_ADDR -- defines the base address of the MCF54455 internal SRAM
94
95CONFIG_SYS_CSn_BASE -- defines the Chip Select Base register
96CONFIG_SYS_CSn_MASK -- defines the Chip Select Mask register
97CONFIG_SYS_CSn_CTRL -- defines the Chip Select Control register
98
99CONFIG_SYS_SDRAM_BASE -- defines the DRAM Base
100
1012. MEMORY MAP UNDER U-BOOT AND LINUX KERNEL
102===========================================
1032.1. System memory map:
104 MRAM: 0x00000000-0x0003FFFF (256KB)
105 DDR: 0x40000000-0x47FFFFFF (128MB)
106 SRAM: 0x80000000-0x8000FFFF (64KB)
107 IP: 0xE0000000-0xFFFFFFFF (512MB)
108
1093. COMPILATION
110==============
1113.1 To create U-Boot the gcc-4.x compiler set (ColdFire ELF version)
112from codesourcery.com was used. Download it from:
113http://www.codesourcery.com/gnu_toolchains/coldfire/download.html
114
1153.2 Compilation
116 export CROSS_COMPILE=cross-compile-prefix
117 cd u-boot
118 make distclean
119 make M54418TWR_config, or - default to spi serial flash boot, 50Mhz input clock
120 make M54418TWR_nand_mii_config, or - default to nand flash boot, mii mode, 25Mhz input clock
121 make M54418TWR_nand_rmii_config, or - default to nand flash boot, rmii mode, 50Mhz input clock
122 make M54418TWR_nand_rmii_lowfreq_config, or - default to nand flash boot, rmii mode, 50Mhz input clock
123 make M54418TWR_serial_mii_config, or - default to spi serial flash boot, 25Mhz input clock
124 make M54418TWR_serial_rmii_config, or - default to spi serial flash boot, 50Mhz input clock
125 make
126
1274. SCREEN DUMP
128==============
1294.1 M54418TWR Development board
130 Boot from NAND flash (NOTE: May not show exactly the same)
131
132U-Boot 2012.10-00209-g12ae1d8-dirty (Oct 18 2012 - 15:54:54)
133
134CPU: Freescale MCF54418 (Mask:a3 Version:1)
135 CPU CLK 250 MHz BUS CLK 125 MHz FLB CLK 125 MHz
136 INP CLK 50 MHz VCO CLK 500 MHz
137Board: Freescale MCF54418 Tower System
138SPI: ready
139DRAM: 128 MiB
140NAND: 256 MiB
141In: serial
142Out: serial
143Err: serial
144Net: FEC0, FEC1
145-> pri
146baudrate=115200
147bootargs=root=/dev/mtdblock2 rw rootfstype=jffs2 mtdparts=NAND:1M(u-boot)ro,7M(k
148ernel)ro,-(jffs2) console=ttyS0,115200
149bootdelay=2
150eth1addr=00:e0:0c:bc:e5:61
151ethact=FEC0
152ethaddr=00:e0:0c:bc:e5:60
153fileaddr=40010000
154filesize=27354
155gatewayip=192.168.1.1
156hostname=M54418TWR
157inpclk=50000000
158ipaddr=192.168.1.2
159load=tftp ${loadaddr} ${u-boot};
160loadaddr=0x40010000
161mem=129024k
162netdev=eth0
163netmask=255.255.255.0
164prog=nand device 0;nand erase 0 40000;nb_update ${loadaddr} ${filesize};save
165serverip=192.168.1.1
166stderr=serial
167stdin=serial
168stdout=serial
169u-boot=u-boot.bin
170upd=run load; run prog
171
172Environment size: 653/131068 bytes
173-> bdinfo
174memstart = 0x40000000
175memsize = 0x08000000
176flashstart = 0x00000000
177flashsize = 0x00000000
178flashoffset = 0x00000000
179sramstart = 0x80000000
180sramsize = 0x00010000
181mbar = 0xFC000000
182cpufreq = 250 MHz
183busfreq = 125 MHz
184flbfreq = 125 MHz
185inpfreq = 50 MHz
186vcofreq = 500 MHz
187ethaddr = 00:e0:0c:bc:e5:60
188eth1addr = 00:e0:0c:bc:e5:61
189ip_addr = 192.168.1.2
190baudrate = 115200 bps
191-> help
192? - alias for 'help'
193base - print or set address offset
194bdinfo - print Board Info structure
195boot - boot default, i.e., run 'bootcmd'
196bootd - boot default, i.e., run 'bootcmd'
197bootelf - Boot from an ELF image in memory
198bootm - boot application image from memory
199bootp - boot image via network using BOOTP/TFTP protocol
200bootvx - Boot vxWorks from an ELF image
201cmp - memory compare
202coninfo - print console devices and information
203cp - memory copy
204crc32 - checksum calculation
205dcache - enable or disable data cache
206dhcp - boot image via network using DHCP/TFTP protocol
207echo - echo args to console
208editenv - edit environment variable
209env - environment handling commands
210exit - exit script
211false - do nothing, unsuccessfully
212go - start application at address 'addr'
213help - print command description/usage
214icache - enable or disable instruction cache
215iminfo - print header information for application image
216imxtract- extract a part of a multi-image
217itest - return true/false on integer compare
218loop - infinite loop on address range
219md - memory display
220mdio - MDIO utility commands
221mii - MII utility commands
222mm - memory modify (auto-incrementing address)
223mtest - simple RAM read/write test
224mw - memory write (fill)
225nand - NAND sub-system
226nb_update- Nand boot update program
227nboot - boot from NAND device
228nfs - boot image via network using NFS protocol
229nm - memory modify (constant address)
230ping - send ICMP ECHO_REQUEST to network host
231printenv- print environment variables
232reginfo - print register information
233reset - Perform RESET of the CPU
234run - run commands in an environment variable
235saveenv - save environment variables to persistent storage
236setenv - set environment variables
237sf - SPI flash sub-system
238showvar - print local hushshell variables
239sleep - delay execution for some time
240source - run script from memory
241sspi - SPI utility command
242test - minimal test like /bin/sh
243tftpboot- boot image via network using TFTP protocol
244true - do nothing, successfully
245version - print monitor, compiler and linker version
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