| 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 |