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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 999a78d5cf00dfb8cd8342454933ea492e955377 / . / doc / README.m54418twr
blob: 1d90fccbcff13bd5f9a4d2cf155eaba4eebe6ff1 [file] [log] [blame]
Alison Wang186fc4d2012-10-18 19:25:52 +0000[diff] [blame]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
Angelo Dureghello6ba2da92017-11-03 01:35:34 +0100[diff] [blame]16- board/freescale/m54418twr/sbf_dram_init.S
17 DDR/SDRAM initialization
Alison Wang186fc4d2012-10-18 19:25:52 +0000[diff] [blame]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
66CONFIG_M54418TWR -- define for M54418TWR board
67
68CONFIG_MCFUART -- define to use common CF Uart driver
69CONFIG_SYS_UART_PORT -- define UART port number, start with 0, 1 and 2
70CONFIG_BAUDRATE -- define UART baudrate
71
72CONFIG_MCFFEC -- define to use common CF FEC driver
73CONFIG_MII -- enable to use MII driver
74CONFIG_SYS_DISCOVER_PHY -- enable PHY discovery
75CONFIG_SYS_RX_ETH_BUFFER -- Set FEC Receive buffer
76CONFIG_SYS_FAULT_ECHO_LINK_DOWN --
77CONFIG_SYS_FEC0_PINMUX -- Set FEC0 Pin configuration
78CONFIG_SYS_FEC1_PINMUX -- Set FEC1 Pin configuration
79CONFIG_SYS_FEC0_MIIBASE -- Set FEC0 MII base register
80CONFIG_SYS_FEC1_MIIBASE -- Set FEC0 MII base register
81MCFFEC_TOUT_LOOP -- set FEC timeout loop
82CONFIG_HAS_ETH1 -- define to enable second FEC in u-boot
83
84CONFIG_MCFTMR -- define to use DMA timer
85
86CONFIG_SYS_IMMR -- define for MBAR offset
87
88CONFIG_EXTRA_CLOCK -- Enable extra clock such as vco, flexbus, pci, etc
89
90CONFIG_SYS_MBAR -- define MBAR offset
91
92CONFIG_MONITOR_IS_IN_RAM -- Not support
93
94CONFIG_SYS_INIT_RAM_ADDR -- defines the base address of the MCF54455 internal SRAM
95
96CONFIG_SYS_CSn_BASE -- defines the Chip Select Base register
97CONFIG_SYS_CSn_MASK -- defines the Chip Select Mask register
98CONFIG_SYS_CSn_CTRL -- defines the Chip Select Control register
99
100CONFIG_SYS_SDRAM_BASE -- defines the DRAM Base
101
1022. MEMORY MAP UNDER U-BOOT AND LINUX KERNEL
103===========================================
1042.1. System memory map:
105 MRAM: 0x00000000-0x0003FFFF (256KB)
106 DDR: 0x40000000-0x47FFFFFF (128MB)
107 SRAM: 0x80000000-0x8000FFFF (64KB)
108 IP: 0xE0000000-0xFFFFFFFF (512MB)
109
1103. COMPILATION
111==============
1123.1 To create U-Boot the gcc-4.x compiler set (ColdFire ELF version)
113from codesourcery.com was used. Download it from:
114http://www.codesourcery.com/gnu_toolchains/coldfire/download.html
115
1163.2 Compilation
117 export CROSS_COMPILE=cross-compile-prefix
118 cd u-boot
119 make distclean
120 make M54418TWR_config, or - default to spi serial flash boot, 50Mhz input clock
121 make M54418TWR_nand_mii_config, or - default to nand flash boot, mii mode, 25Mhz input clock
122 make M54418TWR_nand_rmii_config, or - default to nand flash boot, rmii mode, 50Mhz input clock
123 make M54418TWR_nand_rmii_lowfreq_config, or - default to nand flash boot, rmii mode, 50Mhz input clock
124 make M54418TWR_serial_mii_config, or - default to spi serial flash boot, 25Mhz input clock
125 make M54418TWR_serial_rmii_config, or - default to spi serial flash boot, 50Mhz input clock
126 make
127
1284. SCREEN DUMP
129==============
1304.1 M54418TWR Development board
131 Boot from NAND flash (NOTE: May not show exactly the same)
132
133U-Boot 2012.10-00209-g12ae1d8-dirty (Oct 18 2012 - 15:54:54)
134
135CPU: Freescale MCF54418 (Mask:a3 Version:1)
136 CPU CLK 250 MHz BUS CLK 125 MHz FLB CLK 125 MHz
137 INP CLK 50 MHz VCO CLK 500 MHz
138Board: Freescale MCF54418 Tower System
139SPI: ready
140DRAM: 128 MiB
141NAND: 256 MiB
142In: serial
143Out: serial
144Err: serial
145Net: FEC0, FEC1
146-> pri
147baudrate=115200
148bootargs=root=/dev/mtdblock2 rw rootfstype=jffs2 mtdparts=NAND:1M(u-boot)ro,7M(k
149ernel)ro,-(jffs2) console=ttyS0,115200
150bootdelay=2
151eth1addr=00:e0:0c:bc:e5:61
152ethact=FEC0
153ethaddr=00:e0:0c:bc:e5:60
154fileaddr=40010000
155filesize=27354
156gatewayip=192.168.1.1
157hostname=M54418TWR
158inpclk=50000000
159ipaddr=192.168.1.2
160load=tftp ${loadaddr} ${u-boot};
161loadaddr=0x40010000
162mem=129024k
163netdev=eth0
164netmask=255.255.255.0
165prog=nand device 0;nand erase 0 40000;nb_update ${loadaddr} ${filesize};save
166serverip=192.168.1.1
167stderr=serial
168stdin=serial
169stdout=serial
170u-boot=u-boot.bin
171upd=run load; run prog
172
173Environment size: 653/131068 bytes
174-> bdinfo
175memstart = 0x40000000
176memsize = 0x08000000
177flashstart = 0x00000000
178flashsize = 0x00000000
179flashoffset = 0x00000000
180sramstart = 0x80000000
181sramsize = 0x00010000
182mbar = 0xFC000000
183cpufreq = 250 MHz
184busfreq = 125 MHz
185flbfreq = 125 MHz
186inpfreq = 50 MHz
187vcofreq = 500 MHz
188ethaddr = 00:e0:0c:bc:e5:60
189eth1addr = 00:e0:0c:bc:e5:61
190ip_addr = 192.168.1.2
191baudrate = 115200 bps
192-> help
193? - alias for 'help'
194base - print or set address offset
195bdinfo - print Board Info structure
196boot - boot default, i.e., run 'bootcmd'
197bootd - boot default, i.e., run 'bootcmd'
198bootelf - Boot from an ELF image in memory
199bootm - boot application image from memory
200bootp - boot image via network using BOOTP/TFTP protocol
201bootvx - Boot vxWorks from an ELF image
202cmp - memory compare
203coninfo - print console devices and information
204cp - memory copy
205crc32 - checksum calculation
206dcache - enable or disable data cache
207dhcp - boot image via network using DHCP/TFTP protocol
208echo - echo args to console
209editenv - edit environment variable
210env - environment handling commands
211exit - exit script
212false - do nothing, unsuccessfully
213go - start application at address 'addr'
214help - print command description/usage
215icache - enable or disable instruction cache
216iminfo - print header information for application image
217imxtract- extract a part of a multi-image
218itest - return true/false on integer compare
219loop - infinite loop on address range
220md - memory display
221mdio - MDIO utility commands
222mii - MII utility commands
223mm - memory modify (auto-incrementing address)
224mtest - simple RAM read/write test
225mw - memory write (fill)
226nand - NAND sub-system
227nb_update- Nand boot update program
228nboot - boot from NAND device
229nfs - boot image via network using NFS protocol
230nm - memory modify (constant address)
231ping - send ICMP ECHO_REQUEST to network host
232printenv- print environment variables
233reginfo - print register information
234reset - Perform RESET of the CPU
235run - run commands in an environment variable
236saveenv - save environment variables to persistent storage
237setenv - set environment variables
238sf - SPI flash sub-system
239showvar - print local hushshell variables
240sleep - delay execution for some time
241source - run script from memory
242sspi - SPI utility command
243test - minimal test like /bin/sh
244tftpboot- boot image via network using TFTP protocol
245true - do nothing, successfully
246version - print monitor, compiler and linker version