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diff --git a/doc/README.m54418twr b/doc/README.m54418twr new file mode 100644 index 0000000..f69ae01 --- /dev/null +++ b/doc/README.m54418twr @@ -0,0 +1,244 @@ +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 |