{"id":16080,"date":"2025-04-18T22:37:04","date_gmt":"2025-04-18T14:37:04","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/16080.html"},"modified":"2025-04-18T22:37:04","modified_gmt":"2025-04-18T14:37:04","slug":"aspeed-2600%e9%80%82%e9%85%8du-boot-kernel","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/16080.html","title":{"rendered":"aspeed 2600\u9002\u914du-boot\/kernel"},"content":{"rendered":"

1.\u8bf4\u660e<\/h3>\n

\u672c\u6587\u91c7\u53d6aspeed sdk v09.01\u7248\u672c\u6765\u9002\u914d\u81ea\u5df1\u7684\u5b9e\u9645\u7684\u786c\u4ef6\u5f00\u53d1\u5e73\u53f0\u3002!!\u975e\u91c7\u53d6qemu\u6a21\u62df\u65b9\u5f0f!!<\/p>\n

2.\u91c7\u7528\u7684\u955c\u50cf\u6587\u4ef6<\/h3>\n

2.1 \u91c7\u7528\u7f51\u7ad9\u7f16\u8bd1\u597d\u7684\u955c\u50cf<\/h4>\n

\u91c7\u7528\u7f51\u7ad9: https:\/\/github.com\/AspeedTech-BMC\/openbmc\/releases\u7684\u6587\u4ef6: 1.ast2600-default-515-obmc.tar.gz.\u9009\u62e9\u91cc\u9762\u7684\u6587\u4ef6image-bmc.\u53d1\u73b0BMC\u542f\u52a8\u4e0d\u4e86，u-boot\u6302\u4e86\u3002 2.ast2600-default-obmc.tar.gz\u91cc\u9762\u7684image-bmc.\u53d1\u73b0BMC\u542f\u52a8\u4e0d\u4e86，\u62a5\u9519:<\/p>\n

Boot from spi
\nlibfdt fdt_check_header<\/span>(<\/span>)<\/span>:<\/span> FDT_ERR_BADMAGIC
\nError loading kernel FIT image
\nast# BP1c00<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u6ce8\u610f: \u4f7f\u7528openbmc\u4e2d\u7684u-boot\u66f4\u65b0\u56fa\u4ef6，\u5728u-boot\u547d\u4ee4\u884c\u53ef\u4ee5\u91c7\u7528\u7684\u547d\u4ee4\u5982\u4e0b:<\/p>\n

#<\/span> mw<\/span> 0x1E620064<\/span> 0x500<\/span> <\/span>\/\/\u505c\u6b62WDT2<\/span><\/span>
\n#<\/span> setenv<\/span> gatewayip 10.245<\/span>.27<\/span>.1<\/span> <\/span>\/\/\u8bbe\u7f6egatewayip<\/span><\/span>
\n#<\/span> setenv<\/span> netmask 255.255<\/span>.255<\/span>.0<\/span> <\/span>\/\/\u8bbe\u7f6e\u7f51\u5173<\/span><\/span>
\n#<\/span> dhcp<\/span> \/\/\u83b7\u53d6bmc ip \u6216\u8005\u4f7f\u7528 setenv ipaddr 10.245.27.xx<\/span><\/span>
\n#<\/span> setenv<\/span> serverip 10.245<\/span>.27<\/span>.<\/span>xx <\/span>\/\/\u8bbe\u7f6etftp\u670d\u52a1\u5668ip\u76ee\u7684\u5730\u5740<\/span><\/span>
\n#<\/span> tftp<\/span> 0x81000000<\/span> image–<\/span>bmc <\/span>\/\/tftp \u4e0b\u8f7d\u6587\u4ef6<\/span><\/span>
\n#<\/span> sf<\/span> probe 0<\/span>:<\/span>0<\/span> <\/span>\/\/\u9009\u4e2d flash0<\/span><\/span>
\n#<\/span> sf<\/span> update 0x81000000<\/span> 0x000000<\/span> 0x4000000<\/span> <\/span>\/\/\u66f4\u65b0\u56fa\u4ef6<\/span><\/span><\/p>\n

2.2 \u81ea\u884c\u7f16\u8bd1\u955c\u50cf<\/h4>\n

\u4ece\u7f51\u7ad9: https:\/\/github.com\/AspeedTech-BMC\/openbmc \u4e0a\u9009\u62e9sdkv09.01\u7248\u672c\u7684\u4ee3\u7801\u4e4b\u540e，\u7f16\u8bd1:<\/p>\n

$ source setup ast2600–<\/span>default<\/span>
\n$ bitbake obmc–<\/span>phosphor–<\/span>image<\/p>\n

\u4ea7\u751f\u7684\u56fa\u4ef6image-bmc\u70e7\u5f55\u4e4b\u540e，\u53d1\u73b0\u62a5\u9519:<\/p>\n

libfdt fdt_check_header<\/span>(<\/span>)<\/span>:<\/span> FDT_ERR_BADMAGIC<\/p>\n

\u4f7f\u7528\u547d\u4ee4print\u67e5\u770b\u73af\u5883\u4fe1\u606f:<\/p>\n

ast# print
\nbaudrate=<\/span>115200<\/span>
\nboot_ast2700=<\/span>echo "Boot from ${boot_device}!"<\/span>;<\/span>if<\/span> test ${<\/span>boot_device}<\/span> =<\/span> mmc;<\/span> then run bootmmc;<\/span> fi;<\/span>if<\/span> test ${<\/span>boot_device}<\/span> =<\/span> spi;<\/span> then run bootspi;<\/span> fi;<\/span>ves
\nboot_device=<\/span>spi
\nboota=<\/span>setenv bootpart 2<\/span>;<\/span> setenv rootfs rofs–<\/span>a;<\/span> run setmmcargs;<\/span> ext4load mmc 0<\/span>:<\/span>${<\/span>bootpart}<\/span> ${<\/span>loadaddr}<\/span> fitImage &&<\/span> bootm;<\/span> echo Error loading kernel FITe
\nbootargs=<\/span>console=<\/span>ttyS4,<\/span>115200<\/span>n8 root=<\/span>\/<\/span>dev\/<\/span>ram rw
\nbootb=<\/span>setenv bootpart 3<\/span>;<\/span> setenv rootfs rofs–<\/span>b;<\/span> run setmmcargs;<\/span> ext4load mmc 0<\/span>:<\/span>${<\/span>bootpart}<\/span> ${<\/span>loadaddr}<\/span> fitImage &&<\/span> bootm;<\/span> echo Error loading kernel FITe
\nbootcmd=<\/span>echo Boot from ${<\/span>boot_device}<\/span>;<\/span> if<\/span> test ${<\/span>boot_device}<\/span> =<\/span> mmc;<\/span> then run bootmmc;<\/span> fi;<\/span> if<\/span> test ${<\/span>boot_device}<\/span> =<\/span> spi;<\/span> then run bootspi;<\/span> fi;<\/span>
\nbootdelay=<\/span>2<\/span>
\nbootfile=<\/span>all.<\/span>bin
\nbootmmc=<\/span>if<\/span> test "${bootside}"<\/span> =<\/span> "b"<\/span>;<\/span> then run bootb;<\/span> run boota;<\/span> else<\/span> run boota;<\/span> run bootb;<\/span> fi
\nbootside=<\/span>a
\nbootspi=<\/span>fdt addr 20160000<\/span> &&<\/span> fdt header get fitsize totalsize &&<\/span> cp.<\/span>b 20160000<\/span> ${<\/span>loadaddr}<\/span> ${<\/span>fitsize}<\/span> &&<\/span> bootm;<\/span> echo Error loading kernel FIT image
\nfdtcontroladdr=<\/span>bcf55f18
\ngatewayip=<\/span>192.168<\/span>.0<\/span>.1<\/span>
\nipaddr=<\/span>192.168<\/span>.0<\/span>.45<\/span>
\nloadaddr=<\/span>0x83000000<\/span>
\nnetmask=<\/span>255.255<\/span>.255<\/span>.0<\/span>
\nrootfs=<\/span>rofs–<\/span>a
\nserverip=<\/span>192.168<\/span>.0<\/span>.81<\/span>
\nsetmmcargs=<\/span>setenv bootargs ${<\/span>bootargs}<\/span> rootwait root=<\/span>PARTLABEL=<\/span>${<\/span>rootfs}<\/span>
\nstderr<\/span>=<\/span>serial@1e784000<\/span>
\nstdin<\/span>=<\/span>serial@1e784000<\/span>
\nstdout<\/span>=<\/span>serial@1e784000<\/span><\/p>\n

Environment size:<\/span> 1265<\/span>\/<\/span>131068<\/span> bytes<\/p>\n

\u73af\u5883\u53d8\u91cf\u9ed8\u8ba4\u503c\u6765\u6e90\u4e8e:build\/ast2600-default\/workspace\/sources\/u-boot-aspeed-sdk\/include\/configs\/evb_ast2600.h. \u7136\u540e\u4f7f\u7528\u547d\u4ee4fdt addr:<\/p>\n

ast# fdt addr 20160000<\/span>
\nlibfdt fdt_check_header<\/span>(<\/span>)<\/span>:<\/span> FDT_ERR_BADMAGIC<\/p>\n

\u5206\u6790\u5230\u6587\u4ef6:meta-aspeed\/conf\/machine\/evb-ast2600.conf\u4e2d\u4f7f\u7528\u7684dts\u4fe1\u606f:<\/p>\n

KERNEL_DEVICETREE =<\/span> "aspeed\/aspeed-ast2600-evb.dtb"<\/span><\/p>\n

UBOOT_MACHINE =<\/span> "ast2600_openbmc_spl_defconfig"<\/span>
\nUBOOT_DEVICETREE =<\/span> "ast2600-evb"<\/span><\/p>\n

\u67e5\u770blinux\u7684flash layout: build\/ast2600-default\/workspace\/sources\/linux-aspeed\/arch\/arm\/boot\/dts\/aspeed\/aspeed-ast2600-evb.dts \u4e2d，\u5f15\u7528\u4e86build\/ast2600-default\/workspace\/sources\/linux-aspeed\/arch\/arm\/boot\/dts\/aspeed\/aspeed-evb-flash-layout-64.dtsi<\/p>\n

\/\/ SPDX-License-Identifier: GPL-2.0+<\/span>
\n\/*
\n * Copyright (C) 2023 ASPEED.
\n *\/<\/span><\/p>\n

partitions {<\/span>
\ncompatible =<\/span> "fixed-partitions"<\/span>;<\/span>
\n#<\/span>address<\/span>–<\/span>cells =<\/span> <<\/span>1<\/span>><\/span>;<\/span><\/span><\/span>
\n#<\/span>size<\/span>–<\/span>cells =<\/span> <<\/span>1<\/span>><\/span>;<\/span><\/span><\/span><\/p>\n

u–<\/span>boot@0<\/span> {<\/span>
\nreg =<\/span> <<\/span>0x0<\/span> 0x140000<\/span>><\/span>;<\/span> \/\/ 1280KB<\/span>
\nlabel =<\/span> "u-boot"<\/span>;<\/span>
\n}<\/span>;<\/span><\/p>\n

u–<\/span>boot–<\/span>env@140000<\/span> {<\/span>
\nreg =<\/span> <<\/span>0x140000<\/span> 0x20000<\/span>><\/span>;<\/span> \/\/ 128KB<\/span>
\nlabel =<\/span> "u-boot-env"<\/span>;<\/span>
\n}<\/span>;<\/span><\/p>\n

kernel@160000<\/span> {<\/span>
\nreg =<\/span> <<\/span>0x160000<\/span> 0x800000<\/span>><\/span>;<\/span> \/\/ 8MB<\/span>
\nlabel =<\/span> "kernel"<\/span>;<\/span>
\n}<\/span>;<\/span><\/p>\n

rofs@960000<\/span> {<\/span>
\nreg =<\/span> <<\/span>0x960000<\/span> 0x24a0000<\/span>><\/span>;<\/span> \/\/ 36.625MB<\/span>
\nlabel =<\/span> "rofs"<\/span>;<\/span>
\n}<\/span>;<\/span><\/p>\n

rwfs@2e00000<\/span> {<\/span>
\nreg =<\/span> <<\/span>0x2e00000<\/span> 0x1200000<\/span>><\/span>;<\/span> \/\/ 18MB<\/span>
\nlabel =<\/span> "rwfs"<\/span>;<\/span>
\n}<\/span>;<\/span>
\n}<\/span>;<\/span><\/p>\n

\u4ece\u57fa\u672c\u4fe1\u606f\u6765\u770b，\u4ee3\u7801\u57fa\u672c\u4e0a\u6ca1\u95ee\u9898，\u90a3\u4e48，\u8fdb\u5165u-boot\u4e2d\u624b\u52a8\u53bb\u52a0\u8f7ddts，\u67e5\u770b\u662f\u5426\u4ecd\u7136\u6709\u95ee\u9898:<\/p>\n

1.\u5728u-boot\u4e2ddisable FMC_WDT2<\/p>\n

#<\/span> mw<\/span> 0x1e620064<\/span> 0x0<\/span> <\/span>\/\/disable FMC_WDT2<\/span><\/span><\/p>\n

2.\u5728\u4e3b\u673a\u4e2d，\u5c06fitImage\u6587\u4ef6\u62f7\u8d1d\u5230tftp\u670d\u52a1\u5668\u4e2d:<\/p>\n

#<\/span> cp<\/span> tmp\/<\/span>deploy\/<\/span>images\/<\/span>ast2600–<\/span>default<\/span>\/<\/span>fitImage \/<\/span>home\/<\/span>wityuan\/<\/span>Desktop\/<\/span>tftp<\/span><\/span><\/p>\n

3.\u8bbe\u7f6eBMC\u7684ip\u7b49\u4fe1\u606f<\/p>\n

#<\/span> setenv<\/span> gatewayip 10.245<\/span>.27<\/span>.1<\/span><\/span><\/span>
\n#<\/span> setenv<\/span> netmask 255.255<\/span>.255<\/span>.0<\/span><\/span><\/span>
\n#<\/span> dhcp<\/span><\/span>
\n#<\/span> setenv<\/span> serverip 10.245<\/span>.27<\/span>.69<\/span> <\/span>\/\/\u670d\u52a1\u5668ip<\/span><\/span><\/p>\n

4.\u5728u-boot\u4e2d\u52a0\u8f7dfitImage<\/p>\n

#<\/span> tftp<\/span> 0x83000000<\/span> fitImage<\/span><\/span><\/p>\n

5.\u4f7f\u7528fdt addr\u52a0\u8f7dfdt\u4fe1\u606f<\/p>\n

#<\/span> fdt<\/span> addr 0x83000000<\/span><\/span><\/span>
\n#<\/span> fdt<\/span> header get fitsize totalsize<\/span><\/span>
\n#<\/span> cp<\/span>.<\/span>b 0x83000000<\/span> ${<\/span>loadaddr}<\/span> ${<\/span>fitsize}<\/span><\/span><\/span><\/p>\n

6.\u542f\u52a8linux<\/p>\n

\u4f7f\u7528\u547d\u4ee4:<\/p>\n

#<\/span> bootm<\/span><\/span><\/p>\n

\u53ef\u4ee5\u770b\u5230\u7cfb\u7edf\u52a0\u8f7d\u6210\u529f\u3002<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

7.\u6392\u67e5<\/p>\n

1.<\/span>tftp 0x83000000<\/span> fitImage \/\/\u5c06\u6570\u636e\u52a0\u8f7d\u52300x83000000 \u5730\u5740\u4e0a<\/span>
\n2.<\/span>\u4f7f\u7528md.<\/span>b 0x83000000<\/span> 20<\/span> \u67e5\u770b\u6570\u636e
\n2.<\/span>\u4f7f\u7528notepad++<\/span>\u67e5\u770bimage–<\/span>bmc\u76840x00160000<\/span>\u5730\u5740\u4e0a\u7684\u6570\u636e<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u4f7f\u7528sf read\u8bfb\u53d6flash\u76840\u5730\u5740，\u53d1\u73b0\u6570\u636e\u4e0d\u6b63\u786e: \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u5207\u6362\u5230flash2\u542f\u52a8(\u5305\u542b\u6b63\u5e38\u542f\u52a8\u7684uboot)，\u7136\u540e\u4f7f\u7528flash2\u6392\u67e5flash1\u7684\u6570\u636e: \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u6570\u636e\u7b26\u5408\u9884\u671f\u3002<\/p>\n

\u56e0\u6b64： sdk09.01\u7684uboot\u4ee3\u7801\u662f\u6709\u95ee\u9898\u7684. \u5de5\u5177sf read\u9700\u8981\u4fee\u6b63\u6216\u8005\u4ec5\u4ec5\u662fdts\u914d\u7f6e\u6709\u95ee\u9898，\u5bfc\u81f4spi\u5de5\u4f5c\u4e0d\u6b63\u5e38\u3002<\/p>\n

\u4fee\u6539build\/ast2600-default\/workspace\/sources\/u-boot-aspeed-sdk\/arch\/arm\/dts\/ast2600-evb.dts\u4e2d：<\/p>\n

&<\/span>fmc {<\/span>
\nstatus =<\/span> "okay"<\/span>;<\/span><\/p>\n

pinctrl–<\/span>names =<\/span> "default"<\/span>;<\/span>
\npinctrl–<\/span>0<\/span> =<\/span> <<\/span>&<\/span>pinctrl_fmcquad_default><\/span>;<\/span><\/p>\n

flash@0<\/span> {<\/span>
\ncompatible =<\/span> "spi-flash"<\/span>,<\/span> "sst,w25q256"<\/span>;<\/span>
\nstatus =<\/span> "okay"<\/span>;<\/span>
\nspi–<\/span>max–<\/span>frequency =<\/span> <<\/span>50000000<\/span>><\/span>;<\/span>
\nspi–<\/span>tx–<\/span>bus–<\/span>width =<\/span> <<\/span>2<\/span>><\/span>;<\/span>
\nspi–<\/span>rx–<\/span>bus–<\/span>width =<\/span> <<\/span>2<\/span>><\/span>;<\/span>
\n}<\/span>;<\/span><\/p>\n

flash@1<\/span> {<\/span>
\ncompatible =<\/span> "spi-flash"<\/span>,<\/span> "sst,w25q256"<\/span>;<\/span>
\nstatus =<\/span> "okay"<\/span>;<\/span>
\nspi–<\/span>max–<\/span>frequency =<\/span> <<\/span>50000000<\/span>><\/span>;<\/span>
\nspi–<\/span>tx–<\/span>bus–<\/span>width =<\/span> <<\/span>2<\/span>><\/span>;<\/span>
\nspi–<\/span>rx–<\/span>bus–<\/span>width =<\/span> <<\/span>2<\/span>><\/span>;<\/span>
\n}<\/span>;<\/span>
\n}<\/span>;<\/span><\/p>\n

\u6267\u884c:<\/p>\n

#<\/span> bitbake<\/span> –<\/span>c build u–<\/span>boot–<\/span>aspeed–<\/span>sdk<\/span><\/span>
\n#<\/span> bitbake<\/span> –<\/span>c deploy u–<\/span>boot–<\/span>aspeed–<\/span>sdk<\/span><\/span><\/p>\n

\u5bf9\u4e8eflash(mx66l512)\u82af\u7247，\u9ed8\u8ba4\u7684\u662f3B\u6a21\u5f0f，\u9700\u8981\u6ce8\u610f，\u540e\u9762u-boot\u4ee3\u7801\u90fd\u6539\u4e3a\u8bbe\u7f6e4B\u6a21\u5f0f\u4e00\u6b21，\u8be6\u89c1\u4ee3\u7801:<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u53e6\u5916，\u9700\u8981\u4fee\u6539linux\u4ee3\u7801:build\/ast2600-default\/workspace\/sources\/linux-aspeed\/arch\/arm\/boot\/dts\/aspeed\/aspeed-ast2600-evb.dts:<\/p>\n

&<\/span>fmc {<\/span>
\nstatus =<\/span> "okay"<\/span>;<\/span>
\npinctrl–<\/span>names =<\/span> "default"<\/span>;<\/span>
\npinctrl–<\/span>0<\/span> =<\/span> <<\/span>&<\/span>pinctrl_fwqspi_default><\/span>;<\/span><\/p>\n

flash@0<\/span> {<\/span>
\nstatus =<\/span> "okay"<\/span>;<\/span>
\nm25p,<\/span>fast–<\/span>read;<\/span>
\nlabel =<\/span> "bmc"<\/span>;<\/span>
\nspi–<\/span>rx–<\/span>bus–<\/span>width =<\/span> <<\/span>2<\/span>><\/span>;<\/span>
\nspi–<\/span>tx–<\/span>bus–<\/span>width =<\/span> <<\/span>2<\/span>><\/span>;<\/span>
\nspi–<\/span>max–<\/span>frequency =<\/span> <<\/span>50000000<\/span>><\/span>;<\/span>
\n#<\/span>include<\/span> "aspeed-evb-flash-layout-64.dtsi"<\/span><\/span>
\n}<\/span>;<\/span><\/p>\n

flash@1<\/span> {<\/span>
\nstatus =<\/span> "okay"<\/span>;<\/span>
\nm25p,<\/span>fast–<\/span>read;<\/span>
\nlabel =<\/span> "fmc0:1"<\/span>;<\/span>
\nspi–<\/span>rx–<\/span>bus–<\/span>width =<\/span> <<\/span>2<\/span>><\/span>;<\/span>
\nspi–<\/span>tx–<\/span>bus–<\/span>width =<\/span> <<\/span>2<\/span>><\/span>;<\/span>
\nspi–<\/span>max–<\/span>frequency =<\/span> <<\/span>50000000<\/span>><\/span>;<\/span>
\n}<\/span>;<\/span><\/p>\n

flash@2<\/span> {<\/span>
\nstatus =<\/span> "disabled"<\/span>;<\/span>
\nm25p,<\/span>fast–<\/span>read;<\/span>
\nlabel =<\/span> "fmc0:2"<\/span>;<\/span>
\nspi–<\/span>rx–<\/span>bus–<\/span>width =<\/span> <<\/span>4<\/span>><\/span>;<\/span>
\nspi–<\/span>tx–<\/span>bus–<\/span>width =<\/span> <<\/span>4<\/span>><\/span>;<\/span>
\nspi–<\/span>max–<\/span>frequency =<\/span> <<\/span>50000000<\/span>><\/span>;<\/span>
\n}<\/span>;<\/span>
\n}<\/span>;<\/span><\/p>\n

\u6700\u91cd\u8981\u7684\u662f\u9700\u8981\u8bbe\u7f6e:<\/p>\n

spi–<\/span>rx–<\/span>bus–<\/span>width =<\/span> <<\/span>2<\/span>><\/span>;<\/span>
\nspi–<\/span>tx–<\/span>bus–<\/span>width =<\/span> <<\/span>2<\/span>><\/span>;<\/span><\/p>\n

\u5426\u5219\u4f1a\u53d1\u751f\u62a5\u9519:<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u4ee5\u4e0a，\u4fee\u6539\u5b8c\u6210\u540e，\u5728ac\u4e0a\u7535\u65f6\u5019，\u9700\u8981\u8fdb\u5165u-boot\u624b\u52a8\u7981\u6b62\u6389watchdog:<\/p>\n

\/\/disable fmc watchdog<\/span>
\n#<\/span> mw<\/span> 0x1e620064<\/span> 0x0<\/span><\/span><\/span>
\n# \/\/disable watchdog <\/span>
\nmw 0x1e78508c<\/span> 0x0<\/span><\/p>\n

\u4ee5\u4e0a，\u6210\u529f\u8fdb\u5165BMC\u7cfb\u7edf:<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

3.\u9002\u914d\u7f51\u7edc<\/h3>\n

\u5f53\u524d\u7cfb\u7edf\u542f\u52a8，\u7f51\u7edc\u5e76\u4e0d\u80fd\u5206\u914d\u5730\u5740，\u62a5\u9519\u5982: \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u5f53\u524d\u4f7f\u7528\u7684\u662f\u786c\u4ef6\u4e0a\u7684MAC1(datasheet\u6570\u503c\u52a01)\u8fde\u63a5RTL8211,\u4f5c\u4e3adedicated\u7f51\u7edc\u3002MAC2(datasheet\u6570\u503c\u52a01)\u4e0d\u505a\u7f51\u7edc\u7528\u9014\u3002<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u4fee\u6539\u4ee3\u7801build\/ast2600-default\/workspace\/sources\/linux-aspeed\/arch\/arm\/boot\/dts\/aspeed\/aspeed-ast2600-evb.dts\u5185\u5bb9:<\/p>\n

&<\/span>mdio0 {<\/span>
\nstatus =<\/span> "okay"<\/span>;<\/span><\/p>\n

ethphy0:<\/span> ethernet–<\/span>phy@0<\/span> {<\/span>
\ncompatible =<\/span> "ethernet-phy-ieee802.3-c22"<\/span>;<\/span>
\nreg =<\/span> <<\/span>1<\/span>><\/span>;<\/span>
\n}<\/span>;<\/span>
\n}<\/span>;<\/span><\/p>\n

\u542f\u52a8BMC\u540e，\u80fd\u627e\u5230\u7f51\u5361\u8bbe\u5907: \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" web\u53ef\u4ee5\u8bbf\u95ee:<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" ssh\u4e5f\u53ef\u4ee5\u8bbf\u95ee\u5230： \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" ipmitool\u4e5f\u53ef\u4ee5\u8bbf\u95ee\u5230: \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u7b80\u5355\u770b\u4e00\u4e0b"reg = <0x1>"\u7684\u89e3\u6790\u6d41\u7a0b:<\/p>\n

build\/<\/span>ast2600–<\/span>default<\/span>\/<\/span>workspace\/<\/span>sources\/<\/span>linux–<\/span>aspeed\/<\/span>drivers\/<\/span>net\/<\/span>mdio\/<\/span>of_mdio.<\/span>c
\n__of_mdiobus_register<\/span>(<\/span>)<\/span>
\n build\/<\/span>ast2600–<\/span>default<\/span>\/<\/span>workspace\/<\/span>sources\/<\/span>linux–<\/span>aspeed\/<\/span>include\/<\/span>linux\/<\/span>of_mdio.<\/span>h
\n—<\/span>-><\/span> of_mdio_parse_addr<\/span>(<\/span>)<\/span>
\n—<\/span>-><\/span> ret =<\/span> of_property_read_u32<\/span>(<\/span>np,<\/span> "reg"<\/span>,<\/span> &<\/span>addr)<\/span>;<\/span>
\n\/* A PHY must have a reg property in the range [0-31] *\/<\/span>
\n —<\/span>-><\/span> if<\/span> (<\/span>addr >=<\/span> PHY_MAX_ADDR)<\/span> {<\/span>
\n .<\/span>.<\/span>.<\/span>
\n}<\/span><\/p>\n

\u6240\u4ee5\u8be5:reg\u503c\u7684\u8303\u56f4\u662f0~31，\u6982\u5ff5\u4e3a:PHY_MAX_ADDR.<\/p>\n

\u539f\u7406\u56fe\u4e0a\u4e3a:<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u6b64\u5904\u63cf\u8ff0\u5982\u679c\u6709\u8bef，\u8fd8\u8bf7\u544a\u77e5^ _ ^ .<\/p>\n

4.\u4fee\u590d\u91cd\u542f<\/h3>\n

\u5982\u679cAC,\u4f1a\u53d1\u73b0BMC\u6267\u884c\u5230kernel\u4e00\u6bb5\u65f6\u95f4\u4e4b\u540e\u5c31\u4f1a\u542f\u52a8\u5230flash2\u4e0a，\u8fd9\u662f\u56e0\u4e3afmc watchdog\u7684\u8d85\u65f6\u5bfc\u81f4\u3002<\/p>\n

\u53ef\u4ee5\u5728uboot\u4ee3\u7801\u4e2d:build\/ast2600-default\/workspace\/sources\/u-boot-aspeed-sdk\/arch\/arm\/mach-aspeed\/ast2600\/board_common.c\u6dfb\u52a0\u4e00\u6bb5\u4ee3\u7801:<\/p>\n

void<\/span> board_add_ram_info<\/span>(<\/span>int<\/span> use_default)<\/span>
\n{<\/span>
\n.<\/span>.<\/span>.<\/span>
\n\/\/disable fmc watchdog and watchdog<\/span>
\n{<\/span>
\nunsigned<\/span> long<\/span> value =<\/span> 0<\/span>;<\/span>
\n \/\/disable watchdog<\/span>
\n *<\/span>(<\/span>(<\/span>volatile<\/span> unsigned<\/span> long<\/span> *<\/span>)<\/span>(<\/span>0x1e78508c<\/span>)<\/span>)<\/span> =<\/span> 0x0<\/span>;<\/span>
\nvalue =<\/span> *<\/span>(<\/span>(<\/span>volatile<\/span> unsigned<\/span> long<\/span> *<\/span>)<\/span>(<\/span>0x1e78508c<\/span>)<\/span>)<\/span>;<\/span>
\n printf<\/span>(<\/span>"\\\\nwatchdog stop: 0x%08x \\\\n"<\/span>,<\/span> value)<\/span>;<\/span>
\n\/\/disable fmc watchdog<\/span>
\n *<\/span>(<\/span>(<\/span>volatile<\/span> unsigned<\/span> long<\/span> *<\/span>)<\/span>(<\/span>0x1e620064<\/span>)<\/span>)<\/span> =<\/span> 0x0<\/span>;<\/span>
\nvalue =<\/span> *<\/span>(<\/span>(<\/span>volatile<\/span> unsigned<\/span> long<\/span> *<\/span>)<\/span>(<\/span>0x1e620064<\/span>)<\/span>)<\/span>;<\/span>
\n printf<\/span>(<\/span>"\\\\nfmc watchdog stop: 0x%08x \\\\n"<\/span>,<\/span> value)<\/span>;<\/span><\/p>\n

}<\/span>
\n}<\/span>
\n.<\/span>.<\/span>.<\/span><\/p>\n

5.\u4fee\u590d\u8fc7\u591a\u6253\u5370<\/h3>\n

\u4f8b\u5982\u4e32\u53e3\u9891\u7e41\u6253\u5370:<\/p>\n

# [<\/span> 45.604472<\/span>]<\/span> ipmi–<\/span>ssif–<\/span>host 4<\/span>–<\/span>0010<\/span>:<\/span> Warn:<\/span> on_stop_event unexpected SLAVE STOP in state=<\/span>SSIF_ABORTING<\/p>\n

\u53ef\u4ee5\u76f4\u63a5\u5728\u4ee3\u7801\u91cc\u9762:build\/ast2600-default\/workspace\/sources\/linux-aspeed\/drivers\/char\/ipmi\/ssif_bmc.c\u4e2d\u6ce8\u91ca:<\/p>\n

\/\/ dev_warn(&ssif_bmc->client->dev,<\/span>
\n\/\/ "Warn: %s unexpected SLAVE STOP in state=%s\\\\n",<\/span>
\n\/\/ __func__, state_to_string(ssif_bmc->state));<\/span><\/p>\n

\/\/ dev_warn(&ssif_bmc->client->dev, "Warn: Unknown SMBus write command=0x%x",<\/span>
\n\/\/ ssif_bmc->part_buf.smbus_cmd);<\/span><\/p>\n

\u6216\u8005\u4fee\u6539：build\/ast2600-default\/workspace\/sources\/linux-aspeed\/arch\/arm\/boot\/dts\/aspeed\/aspeed-ast2600-evb.dts<\/p>\n

&<\/span>i2c4 {<\/span>
\nstatus =<\/span> "disabled"<\/span>;<\/span><\/p>\n

ssif–<\/span>bmc@10<\/span> {<\/span>
\ncompatible =<\/span> "ssif-bmc"<\/span>;<\/span>
\nreg =<\/span> <<\/span>0x10<\/span>><\/span>;<\/span>
\n}<\/span>;<\/span>
\n}<\/span>;<\/span><\/p>\n

\u4e0d\u8fc7\u4fee\u6539dts !!\u672a\u9a8c\u8bc1!!\u3002<\/p>\n

\u5907\u6ce8<\/h3>\n