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arc: hard-code CONFIG_ARCH_EARLY_INIT_R in asm/config.h
[people/ms/u-boot.git] / doc / README.m54418twr
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AW		 1Freescale MCF54418TWR ColdFire Development Board
2================================================
3
4TsiChung Liew(Tsi-Chung.Liew@freescale.com)
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
17- arch/m68k/cpu/mcf5445x/cpu.c cpu specific code
18- arch/m68k/cpu/mcf5445x/cpu_init.c Flexbus ChipSelect, Mux pins setup, icache and RTC extra regs
19- arch/m68k/cpu/mcf5445x/interrupts.c cpu specific interrupt support
20- arch/m68k/cpu/mcf5445x/speed.c system, pci, flexbus, and cpu clock
21- arch/m68k/cpu/mcf5445x/Makefile Makefile
22- arch/m68k/cpu/mcf5445x/config.mk config make
23- arch/m68k/cpu/mcf5445x/start.S start up assembly code
24
25- doc/README.m54418twr This readme file
26
27- drivers/net/mcffec.c ColdFire common FEC driver
28- drivers/net/mcfmii.c ColdFire common MII driver
29- drivers/serial/mcfuart.c ColdFire common UART driver
30
31- arch/m68k/include/asm/bitops.h Bit operation function export
32- arch/m68k/include/asm/byteorder.h Byte order functions
33- arch/m68k/include/asm/fec.h FEC structure and definition
34- arch/m68k/include/asm/global_data.h Global data structure
35- arch/m68k/include/asm/immap.h ColdFire specific header file and driver macros
36- arch/m68k/include/asm/immap_5441x.h mcf5441x specific header file
37- arch/m68k/include/asm/io.h io functions
38- arch/m68k/include/asm/m5441x.h mcf5441x specific header file
39- arch/m68k/include/asm/posix_types.h Posix
40- arch/m68k/include/asm/processor.h header file
41- arch/m68k/include/asm/ptrace.h Exception structure
42- arch/m68k/include/asm/rtc.h Realtime clock header file
43- arch/m68k/include/asm/string.h String function export
44- arch/m68k/include/asm/timer.h Timer structure and definition
45- arch/m68k/include/asm/types.h Data types definition
46- arch/m68k/include/asm/uart.h Uart structure and definition
47- arch/m68k/include/asm/u-boot.h u-boot structure
48
49- include/configs/M54418TWR.h Board specific configuration file
50
51- arch/m68k/lib/board.c board init function
52- arch/m68k/lib/cache.c
53- arch/m68k/lib/interrupts.c Coldfire common interrupt functions
54- arch/m68k/lib/time.c Timer functions (Dma timer and PIT)
55- arch/m68k/lib/traps.c Exception init code
56
571 MCF5441x specific Options/Settings
58====================================
591.1 pre-loader is no longer suppoer in thie coldfire family
60
611.2 Configuration settings for M54418TWR Development Board
62CONFIG_MCF5441x -- define for all MCF5441x CPUs
63CONFIG_M54418 -- define for all Freescale MCF54418 CPUs
64CONFIG_M54418TWR -- define for M54418TWR board
65
66CONFIG_MCFUART -- define to use common CF Uart driver
67CONFIG_SYS_UART_PORT -- define UART port number, start with 0, 1 and 2
68CONFIG_BAUDRATE -- define UART baudrate
69
70CONFIG_MCFFEC -- define to use common CF FEC driver
71CONFIG_MII -- enable to use MII driver
72CONFIG_SYS_DISCOVER_PHY -- enable PHY discovery
73CONFIG_SYS_RX_ETH_BUFFER -- Set FEC Receive buffer
74CONFIG_SYS_FAULT_ECHO_LINK_DOWN --
75CONFIG_SYS_FEC0_PINMUX -- Set FEC0 Pin configuration
76CONFIG_SYS_FEC1_PINMUX -- Set FEC1 Pin configuration
77CONFIG_SYS_FEC0_MIIBASE -- Set FEC0 MII base register
78CONFIG_SYS_FEC1_MIIBASE -- Set FEC0 MII base register
79MCFFEC_TOUT_LOOP -- set FEC timeout loop
80CONFIG_HAS_ETH1 -- define to enable second FEC in u-boot
81
82CONFIG_MCFTMR -- define to use DMA timer
83
84CONFIG_SYS_IMMR -- define for MBAR offset
85
86CONFIG_EXTRA_CLOCK -- Enable extra clock such as vco, flexbus, pci, etc
87
88CONFIG_SYS_MBAR -- define MBAR offset
89
90CONFIG_MONITOR_IS_IN_RAM -- Not support
91
92CONFIG_SYS_INIT_RAM_ADDR -- defines the base address of the MCF54455 internal SRAM
93
94CONFIG_SYS_CSn_BASE -- defines the Chip Select Base register
95CONFIG_SYS_CSn_MASK -- defines the Chip Select Mask register
96CONFIG_SYS_CSn_CTRL -- defines the Chip Select Control register
97
98CONFIG_SYS_SDRAM_BASE -- defines the DRAM Base
99
1002. MEMORY MAP UNDER U-BOOT AND LINUX KERNEL
101===========================================
1022.1. System memory map:
103 MRAM: 0x00000000-0x0003FFFF (256KB)
104 DDR: 0x40000000-0x47FFFFFF (128MB)
105 SRAM: 0x80000000-0x8000FFFF (64KB)
106 IP: 0xE0000000-0xFFFFFFFF (512MB)
107
1083. COMPILATION
109==============
1103.1 To create U-Boot the gcc-4.x compiler set (ColdFire ELF version)
111from codesourcery.com was used. Download it from:
112http://www.codesourcery.com/gnu_toolchains/coldfire/download.html
113
1143.2 Compilation
115 export CROSS_COMPILE=cross-compile-prefix
116 cd u-boot
117 make distclean
118 make M54418TWR_config, or - default to spi serial flash boot, 50Mhz input clock
119 make M54418TWR_nand_mii_config, or - default to nand flash boot, mii mode, 25Mhz input clock
120 make M54418TWR_nand_rmii_config, or - default to nand flash boot, rmii mode, 50Mhz input clock
121 make M54418TWR_nand_rmii_lowfreq_config, or - default to nand flash boot, rmii mode, 50Mhz input clock
122 make M54418TWR_serial_mii_config, or - default to spi serial flash boot, 25Mhz input clock
123 make M54418TWR_serial_rmii_config, or - default to spi serial flash boot, 50Mhz input clock
124 make
125
1264. SCREEN DUMP
127==============
1284.1 M54418TWR Development board
129 Boot from NAND flash (NOTE: May not show exactly the same)
130
131U-Boot 2012.10-00209-g12ae1d8-dirty (Oct 18 2012 - 15:54:54)
132
133CPU: Freescale MCF54418 (Mask:a3 Version:1)
134 CPU CLK 250 MHz BUS CLK 125 MHz FLB CLK 125 MHz
135 INP CLK 50 MHz VCO CLK 500 MHz
136Board: Freescale MCF54418 Tower System
137SPI: ready
138DRAM: 128 MiB
139NAND: 256 MiB
140In: serial
141Out: serial
142Err: serial
143Net: FEC0, FEC1
144-> pri
145baudrate=115200
146bootargs=root=/dev/mtdblock2 rw rootfstype=jffs2 mtdparts=NAND:1M(u-boot)ro,7M(k
147ernel)ro,-(jffs2) console=ttyS0,115200
148bootdelay=2
149eth1addr=00:e0:0c:bc:e5:61
150ethact=FEC0
151ethaddr=00:e0:0c:bc:e5:60
152fileaddr=40010000
153filesize=27354
154gatewayip=192.168.1.1
155hostname=M54418TWR
156inpclk=50000000
157ipaddr=192.168.1.2
158load=tftp ${loadaddr} ${u-boot};
159loadaddr=0x40010000
160mem=129024k
161netdev=eth0
162netmask=255.255.255.0
163prog=nand device 0;nand erase 0 40000;nb_update ${loadaddr} ${filesize};save
164serverip=192.168.1.1
165stderr=serial
166stdin=serial
167stdout=serial
168u-boot=u-boot.bin
169upd=run load; run prog
170
171Environment size: 653/131068 bytes
172-> bdinfo
173memstart = 0x40000000
174memsize = 0x08000000
175flashstart = 0x00000000
176flashsize = 0x00000000
177flashoffset = 0x00000000
178sramstart = 0x80000000
179sramsize = 0x00010000
180mbar = 0xFC000000
181cpufreq = 250 MHz
182busfreq = 125 MHz
183flbfreq = 125 MHz
184inpfreq = 50 MHz
185vcofreq = 500 MHz
186ethaddr = 00:e0:0c:bc:e5:60
187eth1addr = 00:e0:0c:bc:e5:61
188ip_addr = 192.168.1.2
189baudrate = 115200 bps
190-> help
191? - alias for 'help'
192base - print or set address offset
193bdinfo - print Board Info structure
194boot - boot default, i.e., run 'bootcmd'
195bootd - boot default, i.e., run 'bootcmd'
196bootelf - Boot from an ELF image in memory
197bootm - boot application image from memory
198bootp - boot image via network using BOOTP/TFTP protocol
199bootvx - Boot vxWorks from an ELF image
200cmp - memory compare
201coninfo - print console devices and information
202cp - memory copy
203crc32 - checksum calculation
204dcache - enable or disable data cache
205dhcp - boot image via network using DHCP/TFTP protocol
206echo - echo args to console
207editenv - edit environment variable
208env - environment handling commands
209exit - exit script
210false - do nothing, unsuccessfully
211go - start application at address 'addr'
212help - print command description/usage
213icache - enable or disable instruction cache
214iminfo - print header information for application image
215imxtract- extract a part of a multi-image
216itest - return true/false on integer compare
217loop - infinite loop on address range
218md - memory display
219mdio - MDIO utility commands
220mii - MII utility commands
221mm - memory modify (auto-incrementing address)
222mtest - simple RAM read/write test
223mw - memory write (fill)
224nand - NAND sub-system
225nb_update- Nand boot update program
226nboot - boot from NAND device
227nfs - boot image via network using NFS protocol
228nm - memory modify (constant address)
229ping - send ICMP ECHO_REQUEST to network host
230printenv- print environment variables
231reginfo - print register information
232reset - Perform RESET of the CPU
233run - run commands in an environment variable
234saveenv - save environment variables to persistent storage
235setenv - set environment variables
236sf - SPI flash sub-system
237showvar - print local hushshell variables
238sleep - delay execution for some time
239source - run script from memory
240sspi - SPI utility command
241test - minimal test like /bin/sh
242tftpboot- boot image via network using TFTP protocol
243true - do nothing, successfully
244version - print monitor, compiler and linker version
"Das U-Boot" Source Tree