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Diffstat (limited to 'qemu/roms/u-boot/doc/README.m54418twr')
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1 files changed, 0 insertions, 244 deletions
diff --git a/qemu/roms/u-boot/doc/README.m54418twr b/qemu/roms/u-boot/doc/README.m54418twr deleted file mode 100644 index f69ae0191..000000000 --- a/qemu/roms/u-boot/doc/README.m54418twr +++ /dev/null @@ -1,244 +0,0 @@ -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 |