{"id":4549,"date":"2014-01-09T18:26:58","date_gmt":"2014-01-09T10:26:58","guid":{"rendered":"http:\/\/blog.dword1511.info\/?p=4549"},"modified":"2014-01-10T06:19:17","modified_gmt":"2014-01-09T22:19:17","slug":"beaglebone-black-%e5%8f%8a%e5%85%b6%e8%b6%85%e9%a2%91","status":"publish","type":"post","link":"http:\/\/blog.dword1511.info\/?p=4549","title":{"rendered":"BeagleBone Black \u53ca\u5176\u8d85\u9891"},"content":{"rendered":"<p>\u4e3a\u4ec0\u4e48\u8981\u4e70\u8fd9\u73a9\u610f\uff1f\u8fd9\u5c31\u597d\u50cf\u4e3a\u4ec0\u4e48\u6709\u90a3\u4e48\u591a\u4eba\u4e70 Raspberry Pi \u4e00\u6837\uff0c\u76ee\u524d\u8fd9\u8d27\u5728\u8dd1 mediatomb \u548c boinc \uff0c\u4ee5\u540e\u53ef\u80fd\u4f1a\u6709 NAS \u6216\u8005 V \u4f60\u77e5\u9053\u7684 N \uff0c\u603b\u4e4b\u603b\u662f\u6709\u7528\u7684\u3002\u90a3\u4e3a\u4ec0\u4e48\u4e0d\u4e70 Raspberry Pi \u5462\uff1f\u539f\u56e0\u6709\u4e09\uff1api \u7684\u8fd0\u7b97\u901f\u5ea6\u53ea\u6709 bone black \u7684\u4e00\u534a\uff1bbroadcom \u7684 SoC \u5411\u6765\u5565\u8d44\u6599\u6ca1\u6709\uff08\u867d\u7136\u8fd9\u56de\u653e\u51fa\u4e86\u4e00\u70b9\u6ca1\u6709\u6cb9\u76d0\u7684\u4e1c\u897f\uff09\uff0c\u800c TI \u7684\u6587\u6863\u4e00\u5411\u5f88\u5168\u9762\u5f88\u6df1\u5165\uff1bpi \u7684\u7f51\u5361\u6302\u5728 USB \u4e0a\uff0c\u4e0e\u5916\u754c\u901a\u8baf\u5c31\u5168\u9760 USB \uff0c\u591f\u545b\u3002\u4e8e\u662f\uff0c\u591a\u82b1\u4e00\u70b9\u94b1\u4e70 bone black \u5c31\u663e\u5f97\u5f88\u660e\u667a\u4e86\u3002<\/p>\n<p>Bone black \u7684\u786c\u4ef6\u8d44\u6599\u4e0d\u5c11\u4e86\uff0c\u6240\u4ee5\u786c\u4ef6\u65b9\u9762\u7b80\u5355\u8bf4\u4e00\u4e0b\u3002<\/p>\n<p><!--more--><\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140093.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4552\" alt=\"P1140093\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140093-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140093-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140093-1024x768.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u6807\u51c6\u6652\u673a\u56fe\u3002\u6536\u5230\u7684\u662f A5C \u7248\u672c\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140091.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4551\" alt=\"P1140091\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140091-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140091-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140091-1024x768.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u6b63\u9762\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140096.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4553\" alt=\"P1140096\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140096-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140096-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140096-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140096.jpg 1600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u6838\u5fc3\u662f\u4e2a 1GHz \u7684\u65b0\u7248 AM3359 Sitara SoC \uff0c\u524d\u9762\u591a\u51fa\u6765\u7684 X \u8bf4\u660e\u8fd9\u662f\u5de5\u7a0b\u6837\u54c1\uff08\u5185\u6838\u8f93\u51fa\u91cc\u4e5f\u6709 AM335X ES2.0\u00a0\uff09\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140097.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4554\" alt=\"P1140097\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140097-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140097-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140097-1024x768.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u4e24\u9897\u9541\u5149\u7684 IC \uff0c\u5927\u7684\u8fd9\u9897\u662f eMMC \uff0c\u578b\u53f7\u4e3a MTFC2GMVEA-0M WT\u00a0\uff0c\u4e3a\u4e86\u63a7\u5236\u6210\u672c\u53ea\u7ed9\u4e86 2GB \uff0c\u53ef\u4ee5\u8bf4\u804a\u80dc\u4e8e\u65e0\uff08\u8fd8\u4e0d\u5982\u591a\u7ed9\u4e2a TF \u5361\u69fd\uff09\u3002\u8fd9\u73a9\u610f\u6807\u79f0\u7684\u901f\u5ea6\u4e3a\u8fde\u7eed\u8bfb\u53d6 30MB\/s \uff0c\u8fde\u7eed\u5199\u5165 6.6MB\/s \uff0c\u5728 2GB \u7684 MLC NAND \u4e2d\u7b97\u662f\u5f88\u4e0d\u9519\u7684\u4e86\u3002\u53e6\u5916\u9700\u8981\u6ce8\u610f\u7684\u662f\u8fd9\u7247 eMMC \u7684\u754c\u9762\u7248\u672c\u662f MMC 4.41 \uff0c\u800c\u5728 MMC 4.5 \u4e4b\u524d discard \u7684\u884c\u4e3a\u548c ATA \u7684 TRIM \u4e0d\u4e00\u6837\uff0c\u4f1a\u5f3a\u5236\u64e6\u9664\uff0c\u6240\u4ee5\uff0c<strong>\u5343\u4e07\u4e0d\u8981\u8bd5\u56fe\u5728 Beaglebone \u4e0a\u5f00 discard \/ TRIM<\/strong> \uff0c\u5982\u679c\u5f00\u4e86\u95ea\u5b58\u53ef\u80fd\u4f1a\u5f88\u5feb\u8017\u5c3d\u64e6\u5199\u5bff\u547d\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/emmc-mtmlc25nm2g.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4579\" alt=\"emmc-mtmlc25nm2g\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/emmc-mtmlc25nm2g-400x369.png\" width=\"400\" height=\"369\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/emmc-mtmlc25nm2g-400x369.png 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/emmc-mtmlc25nm2g.png 628w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u5b9e\u6d4b\u8bfb\u53d6\u901f\u5ea6\uff08 aka. \u7b14\u8005\u5f00 discard \u7684\u540e\u679c\uff09<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140098.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4555\" alt=\"P1140098\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140098-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140098-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140098-1024x768.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u5c0f\u7684\u8fd9\u9897\u662f\u5185\u5b58\u9897\u7c92\uff0c\u578b\u53f7\u4e3a\u00a0MT41K256M16HA-125 E \uff0c256M\u00d716bit DDR-3L 1600 CL11 \u3002<\/p>\n<p>\u6709\u4eba\u8bef\u8ba4\u4e3a bone \u548c pi \u4e00\u6837\u90fd\u662f PoP \uff0c\u5927\u6982\u662f SoC \u7684\u5c01\u88c5\u957f\u5f97\u6bd4\u8f83\u50cf\u5427\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140101.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4556\" alt=\"P1140101\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140101-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140101-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140101-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140101.jpg 1600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u4ee5\u592a\u7f51 PHY \u7684 25.0 MHz \u6676\u4f53\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140102.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4557\" alt=\"P1140102\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140102-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140102-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140102-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140102.jpg 1600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>smsc \u7684 LAN8710A \u767e\u5146\u4ee5\u592a\u7f51 PHY \u3002\u8fd9\u91cc\u5410\u4e2a\u69fd\uff0c\u8fd9\u4e2a PHY \u53ea\u8981\u6328\u4e86\u54ea\u6015\u4e00\u70b9\u70b9\u9759\u7535\u90fd\u4f1a\u51fa bug \uff0c\u63a5\u7f51\u7ebf\u95ea\u706f\uff0c\u62d4\u7f51\u7ebf\u706f\u5e38\u4eae\uff0c\u540c\u65f6\u53e6\u4e00\u7aef\u7684\u673a\u5668\u68c0\u6d4b\u4e0d\u5230\u8fde\u63a5\uff0c\u975e\u8981\u65ad\u7535\u91cd\u542f\u624d\u884c\u3002<\/p>\n<p>\u4ee5\u592a\u7f51\u7684 MAC \u5219\u96c6\u6210\u5230\u4e86 SoC \u91cc\uff0c\u548c\u5185\u90e8\u603b\u7ebf\u76f4\u8fde\uff0cnetperf \u8f7b\u677e\u8dd1\u51fa\u7ebf\u901f\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140103.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4558\" alt=\"P1140103\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140103-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140103-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140103-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140103.jpg 2048w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>TPS65217C \u7535\u6e90\u7ba1\u7406\u82af\u7247\uff08 PMIC \uff09\uff0c\u4e13\u95e8\u4e3a Sitara \u7cfb\u5217 SoC \u8bbe\u8ba1\uff0c\u636e\u8bf4\u5185\u542b\u4e00\u4e2a ARM Cortex-M3 \u6838\uff0c\u548c SoC \u95f4\u901a\u8fc7 I<sup>2<\/sup>C \u901a\u4fe1\u3002\u5f85\u4f1a\u8d85\u9891\u9700\u8981\u505a\u4e00\u70b9\u6709\u5173\u5b83\u7684\u624b\u811a\uff0c\u51c6\u786e\u7684\u8bf4\u9700\u8981\u63d0\u5347\u4e00\u70b9\u7535\u538b\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140104.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4559\" alt=\"P1140104\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140104-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140104-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140104-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140104.jpg 1600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u4e3a HDMI \u90e8\u5206\u63d0\u4f9b\u65f6\u949f\u7684 24.576MHz MEMS \u632f\u8361\u5668\uff0c\u53ef\u4ee5\u901a\u8fc7 GPIO \u5173\u6389\u3002\u8fd9\u73a9\u610f\u6700\u8fd1\u624d\u5174\u8d77\uff0c\u6709\u66ff\u4ee3\u6676\u4f53\u632f\u8361\u5668\u7684\u52bf\u5934\u3002<\/p>\n<p>\u65c1\u8fb9\u7684 U3 \u662f\u4e2a\u975e\u95e8\uff0c\u8fde\u63a5 eMMC \u7684 nRST \u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140105.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4560\" alt=\"P1140105\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140105-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140105-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140105-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140105.jpg 2048w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>SoC \u7684 32.768kHz \u4f4e\u9891\u6676\u4f53\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140108.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4561\" alt=\"P1140108\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140108-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140108-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140108-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140108.jpg 2048w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>USB \u90e8\u5206\u6709\u4e00\u4e2a\u7591\u4f3c 100mA \u7684 polyfuse \u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140109.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4562\" alt=\"P1140109\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140109-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140109-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140109-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140109.jpg 2048w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u4e24\u53ea\u00a0IP4283CZ10 \u7528\u4e8e HDMI \u7684 ESD \u9632\u62a4\uff0c\u4e0d\u77e5\u9053 pi \u6709\u6ca1\u6709\u7c7b\u4f3c\u8bbe\u8ba1\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140110.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4563\" alt=\"P1140110\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140110-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140110-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140110-1024x768.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>RESET \u548c POWER \u6309\u952e\uff0c\u4ee5\u53ca 4 \u4e2a\u7528\u6237\u53ef\u63a7\u7684 LED \u3002LED \u8fd8\u4e13\u95e8\u7528\u4e86\u4e09\u6781\u7ba1\u9a71\u52a8\uff0c\u4e8b\u5b9e\u8bc1\u660e\u8fd9\u4e9b\u73a9\u610f\u5728\u665a\u4e0a\u5f88\u5f71\u54cd\u7761\u7720\uff0c\u679c\u65ad\u8bb0\u53f7\u7b14\u4f3a\u5019\u3002\u636e\u8bf4 A5B \u4e4b\u524d\u8fd9\u4e9b LED \u6bd4\u73b0\u5728\u8fd8\u8981\u4eae\uff0c\u7b80\u76f4\u662f\u8111\u5b50\u91cc\u6709\u6ce1\u554a\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140126.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4576\" alt=\"P1140126\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140126-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140126-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140126-1024x768.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>NXP \u7684 TDA19988 HDMI \u6536\u53d1\u5668\uff0c\u6ca1 datasheet \uff0c\u76f8\u5f53\u8be1\u5f02\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140127.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4577\" alt=\"P1140127\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140127-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140127-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140127-1024x768.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u80cc\u9762\u5168\u8c8c\uff08 TF \u5361\u69fd\u4e0a\u7684\u9ad8\u6e29\u80f6\u5e26\u662f\u6211\u81ea\u5df1\u8d34\u7684\uff09\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140111.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4564\" alt=\"P1140111\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140111-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140111-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140111-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140111.jpg 2048w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u80cc\u9762\u4e3a SoC \u63d0\u4f9b\u4e3b\u65f6\u949f\u7684 24.0MHz \u6676\u4f53\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140112.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4565\" alt=\"P1140112\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140112-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140112-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140112-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140112.jpg 2048w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>TL5209 500mA \u4f4e\u566a\u58f0 LDO \u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140113.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4566\" alt=\"P1140113\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140113-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140113-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140113-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140113.jpg 2048w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>PMIC \u80cc\u9762\u7684\u7535\u611f\u548c MLCC \u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140114.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4567\" alt=\"P1140114\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140114-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140114-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140114-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140114.jpg 1600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u975e\u5e38\u8ff7\u4f60\u7684 24LC32A \uff0c\u5b58\u50a8\u677f\u5b50\u7684\u4fe1\u606f\uff0c\u6d6a\u8d39\u6210\u672c\u7684\u597d\u529e\u6cd5\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140115.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4568\" alt=\"P1140115\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140115-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140115-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140115-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140115.jpg 2048w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u5de6\u8fb9\u662f D \u89e6\u53d1\u5668\uff0c\u548c HDMI \u65f6\u949f\u6709\u5173\u3002\u53f3\u8fb9\u662f\u4e24\u8def buffer \uff0c\u7ed9 TTL UART \u7f13\u51b2\u7528\u3002\u5176\u5b9e\u4fe9\u7535\u963b\u5c31\u5b8c\u5168\u641e\u5b9a\u4e86\u5bf9\u4e0d\uff1f\u81f3\u5c11\u5927\u90e8\u5206\u8bbe\u5907\u91cc\u90fd\u662f\u8fd9\u6837\u89e3\u51b3\u7684\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140116.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4569\" alt=\"P1140116\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140116-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140116-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140116-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140116.jpg 2048w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>TPS2051 \u7535\u6d41\u5f00\u5173\uff0c\u5e26\u7535\u6d41\u68c0\u6d4b\uff0c\u65c1\u8fb9\u8fd8\u6709\u00a0TPD4S012 ESD \u9632\u62a4\uff0c\u90fd\u662f\u4e3a USB host \u670d\u52a1\u7684\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140117.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4570\" alt=\"P1140117\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140117-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140117-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140117-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140117.jpg 2048w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u5fae\u578b HDMI \u63a5\u53e3\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140118.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4571\" alt=\"P1140118\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140118-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140118-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140118-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140118.jpg 2048w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>USB OTG \u63a5\u53e3\u3002\u540c\u65f6\u4e5f\u53ef\u8d1f\u8d23\u4f9b\u7535\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140120.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4572\" alt=\"P1140120\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140120-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140120-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140120-1024x768.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u7f51\u53e3\u3002LED \u7684\u5206\u914d\u6bd4\u8f83\u5947\u8469\uff0c\u9ec4\u8272\u662f 100Mbps \uff0c\u7eff\u8272\u662f Link\/Act \u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140121.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4573\" alt=\"P1140121\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140121-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140121-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140121-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140121.jpg 2048w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u7f51\u53e3\u578b\u53f7\uff0c\u5185\u7f6e\u9694\u79bb\u53d8\u538b\u5668\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140122.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4574\" alt=\"P1140122\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140122-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140122-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140122-1024x768.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>USB host \u53e3\uff0c\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\u8981\u6709\u4e2a\u5c0f\u6d1e\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140124.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4575\" alt=\"P1140124\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140124-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140124-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/P1140124-1024x768.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u4e0d\u662f\u88f8\u5954\u515a\uff0c\u6240\u4ee5\u5f04\u4e86\u4e2a\u76d2\u5b50\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/IMG_20131109_211946888.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4550\" alt=\"IMG_20131109_211946888\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/IMG_20131109_211946888-400x225.jpg\" width=\"400\" height=\"225\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/IMG_20131109_211946888-400x225.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/IMG_20131109_211946888-1024x576.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>LED \u53e3\u5b50\u5f00\u5f97\u4e0d\u597d\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/PC250140.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4578\" alt=\"OLYMPUS DIGITAL CAMERA\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/PC250140-400x300.jpg\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/PC250140-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/PC250140-1024x768.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u8d85\u9891\u4e4b\u524d\u6709\u52a0\u6563\u70ed\u7247\uff0c\u867d\u7136\u82af\u7247\u6e29\u5ea6\u975e\u5e38\u4f4e\u3002\u987a\u4fbf\u8bf4\u4e00\u4e0b AM3359 \u7684\u7247\u4e0a\u5e26\u9699\u6e29\u5ea6\u4f20\u611f\u5668\u4e0d\u51c6\uff0c3.12 \u5185\u6838\u5df2\u7ecf\u628a\u5b83\u7684\u652f\u6301\u62ff\u6389\u4e86\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/mmcinfo.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-4580\" alt=\"mmcinfo\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/mmcinfo-260x400.png\" width=\"260\" height=\"400\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/mmcinfo-260x400.png 260w, http:\/\/blog.dword1511.info\/wp-uploads\/2014\/01\/mmcinfo.png 503w\" sizes=\"(max-width: 260px) 100vw, 260px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/gist.github.com\/dword1511\/7178095\" target=\"_blank\">mmcinfo<\/a> \uff0c\u7528\u6765\u5224\u65ad TF \u5361\u7684\u771f\u4f2a\u5f88\u65b9\u4fbf\u3002<\/p>\n<p>\u4e0b\u9762\u8fdb\u5165\u6b63\u9898\uff0c\u8d85\u9891\u3002<\/p>\n<p>\u8fd9\u91cc\u5047\u8bbe bone \u4e0a\u8dd1\u7684\u662f debian \uff0c\u7528\u7684\u662f robert-nelson kernel 3.12.6 \u3002\u9996\u5148\u9700\u8981\u628a\u6b64\u5185\u6838\u7684<a href=\"https:\/\/github.com\/RobertCNelson\/linux-dev\/\" target=\"_blank\">\u6e90\u7801<\/a>\u4e0b\u8f7d\u4e0b\u6765\uff0ccheckout am33x-v3.12 \uff0c\u7136\u540e\u6539\u52a8\u51e0\u4e2a patch \u628a VDD_MPU \u7684\u9650\u5236\u63d0\u5347\u5230 1.4V \uff08 absolute maximum rating \u662f 1.5V \uff0c\u4f46\u662f\u4e24\u5934\u90fd\u4e0d\u4f1a\u592a\u51c6\uff0c\u6240\u4ee5\u8fd8\u662f\u7559\u70b9\u4f59\u91cf\uff09\uff0c\u7136\u540e\u518d\u5728 cpufreq \u91cc\u9762\u52a0\u4e0a 1.2GHz \u7684\u914d\u7f6e\u3002\u6240\u6709\u7684\u6539\u52a8\u90fd\u5728 DTS \u91cc\u9762\u5b8c\u6210\uff0c\u6240\u4ee5\u8d85\u9891\u53ea\u9700\u8981\u66f4\u6362 dtb \u5373\u53ef\uff0c\u65e0\u9700\u6539\u52a8\u5185\u6838\u672c\u8eab\u3002<\/p>\n<p>\u5728\u591a\u756a\u5c1d\u8bd5\u540e\u5f97\u5230\u7684\u6700\u9ad8\u7684\u80fd\u7a33\u5b9a\u8fd0\u884c\u7684\u9891\u7387\u4e5f\u5c31\u662f 1.2GHz \u4e86\uff0c\u4e5f\u5c31\u662f\u8bf4\u7535\u538b\u4e0d\u52a0\u592a\u9ad8\u7684\u8bdd\u53ea\u80fd\u8d85 20% \u3002<\/p>\n<p>\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0cVDD_MPU \u88ab\u63a5\u5728\u4e86 TPS65217 \u7684 DC_DC2 \u4e0a\uff0c\u800c\u8fd9\u8def\u8f93\u51fa\u6700\u9ad8\u53ef\u4ee5\u5230 3.3V \uff0c\u611f\u89c9\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a dtb \u70e7\u6389 bone \u3002<\/p>\n<p>\u6700\u540e\u7ed9\u51fa dtb \u548c patch \u00a0\u30023.12 \u7684 dtb \u4e0d\u80fd\u548c 3.8 \u7684\u5185\u6838\u6df7\u7528\uff0c\u53d8\u7816\u522b\u8d56\u6211\u3002<\/p>\n<p><a href=\"http:\/\/dword1511.info\/dword\/am335x-boneblack-3.12.6-bone11-ovc-1.2g.dtb\" target=\"_blank\">dtb \u4e0b\u8f7d<\/a> \uff08 MD5 =\u00a0de00c8fe96a0fc18cebd1c285c2d986a\u00a0\uff09\uff0c\u505a\u4e2a\u8f6f\u8fde\u63a5\u5230\u00a0am335x-boneblack.dtb \u5373\u53ef\u3002<strong>\u8d85\u9891\u6709\u4e00\u5b9a\u98ce\u9669\uff0c\u53ef\u80fd\u5bfc\u81f4\u786c\u4ef6\u635f\u574f\u3002<\/strong><\/p>\n<p>patch \uff1a<\/p>\n<pre class=\"brush: diff; title: \u4ee3\u7801; notranslate\" title=\"\u4ee3\u7801\">\r\ndiff --git a\/patch.sh b\/patch.sh\r\nindex 61cf477..2c379ff 100644\r\n--- a\/patch.sh\r\n+++ b\/patch.sh\r\n@@ -224,7 +224,8 @@ cpufreq () {\r\n \t${git} &quot;${DIR}\/patches\/cpufreq\/0002-ARM-OMAP2-add-missing-lateinit-hook-for-calling-pm-l.patch&quot;\r\n \t${git} &quot;${DIR}\/patches\/cpufreq\/0003-ARM-OMAP3-use-cpu0-cpufreq-driver-in-device-tree-sup.patch&quot;\r\n \t${git} &quot;${DIR}\/patches\/cpufreq\/0004-ARM-dts-OMAP3-add-clock-nodes-for-CPU.patch&quot;\r\n-\t${git} &quot;${DIR}\/patches\/cpufreq\/0005-hack-boneblack-enable-1Ghz-operation.patch&quot;\r\n+\t${git} &quot;${DIR}\/patches\/cpufreq\/0005-hack-vdd-mpu.patch&quot;\r\n+\t${git} &quot;${DIR}\/patches\/cpufreq\/0006-hack-boneblack-enable-1Ghz-operation.patch&quot;\r\n }\r\n\r\n sgx () {\r\ndiff --git a\/patches\/cpufreq\/0005-hack-boneblack-enable-1Ghz-operation.patch b\/patches\/cpufreq\/0005-hack-boneblack-enable-1Ghz-operation.patch\r\ndeleted file mode 100644\r\nindex c0ca805..0000000\r\n--- a\/patches\/cpufreq\/0005-hack-boneblack-enable-1Ghz-operation.patch\r\n+++ \/dev\/null\r\n@@ -1,44 +0,0 @@\r\n-From ebb84cf959ef769260ebc7ad4c8b8e242de4a662 Mon Sep 17 00:00:00 2001\r\n-From: Robert Nelson &lt;robertcnelson@gmail.com&gt;\r\n-Date: Thu, 12 Dec 2013 13:03:55 -0600\r\n-Subject: [PATCH 5\/5] hack: boneblack: enable 1Ghz operation\r\n-\r\n-Signed-off-by: Robert Nelson &lt;robertcnelson@gmail.com&gt;\r\n----\r\n- arch\/arm\/boot\/dts\/am335x-boneblack.dts | 20 ++++++++++++++++++++\r\n- 1 file changed, 20 insertions(+)\r\n-\r\n-diff --git a\/arch\/arm\/boot\/dts\/am335x-boneblack.dts b\/arch\/arm\/boot\/dts\/am335x-boneblack.dts\r\n-index 61842c1..e64b61d 100644\r\n---- a\/arch\/arm\/boot\/dts\/am335x-boneblack.dts\r\n-+++ b\/arch\/arm\/boot\/dts\/am335x-boneblack.dts\r\n-@@ -10,6 +10,26 @@\r\n- #include &quot;am33xx.dtsi&quot;\r\n- #include &quot;am335x-bone-common.dtsi&quot;\r\n-\r\n-+\/ {\r\n-+\tcpus {\r\n-+\t\tcpu@0 {\r\n-+\t\t\tcpu0-supply = &lt;&amp;dcdc2_reg&gt;;\r\n-+\t\t\t\/*\r\n-+\t\t\t * To consider voltage drop between PMIC and SoC,\r\n-+\t\t\t * tolerance value is reduced to 2% from 4% and\r\n-+\t\t\t * voltage value is increased as a precaution.\r\n-+\t\t\t *\/\r\n-+\t\t\toperating-points = &lt;\r\n-+\t\t\t\t\/* kHz    uV *\/\r\n-+\t\t\t\t1000000\t1325000\r\n-+\t\t\t\t800000\t1300000\r\n-+\t\t\t\t600000  1112000\r\n-+\t\t\t\t300000   969000\r\n-+\t\t\t&gt;;\r\n-+\t\t};\r\n-+\t};\r\n-+};\r\n-+\r\n- &amp;hdmi {\r\n- \tstatus = &quot;okay&quot;;\r\n- };\r\n---\r\n-1.8.5.1\r\n-\r\ndiff --git a\/patches\/cpufreq\/0005-hack-vdd-mpu.patch b\/patches\/cpufreq\/0005-hack-vdd-mpu.patch\r\nnew file mode 100644\r\nindex 0000000..bd90656\r\n--- \/dev\/null\r\n+++ b\/patches\/cpufreq\/0005-hack-vdd-mpu.patch\r\n@@ -0,0 +1,23 @@\r\n+From 76b84cf959ef769260ebc7ad4c8b8e242de4a662 Mon Sep 17 00:00:00 2001\r\n+From: Chi Zhang &lt;zhangchi866@gmail.com&gt;\r\n+Date: Thu, 12 Dec 2013 13:03:55 -0600\r\n+Subject: hack: boneblack: vdd_mpu up to 1.4V\r\n+\r\n+Signed-off-by: Chi Zhang &lt;zhangchi866@gmail.com&gt;\r\n+---\r\n+ arch\/arm\/boot\/dts\/am335x-bone-common.dtsi | 2 +-\r\n+ 1 file changed, 1 insertions(+), 1 deletions(-)\r\n+\r\n+diff --git a\/arch\/arm\/boot\/dts\/am335x-bone-common.dtsi b\/arch\/arm\/boot\/dts\/am335x-bone-common.dtsi\r\n+index 2f66ded..1052bc3 100644\r\n+--- a\/arch\/arm\/boot\/dts\/am335x-bone-common.dtsi\r\n++++ b\/arch\/arm\/boot\/dts\/am335x-bone-common.dtsi\r\n+@@ -206,7 +206,7 @@\r\n+ \t\t\t\/* VDD_MPU voltage limits 0.95V - 1.26V with +\/-4% tolerance *\/\r\n+ \t\t\tregulator-name = &quot;vdd_mpu&quot;;\r\n+ \t\t\tregulator-min-microvolt = &lt;925000&gt;;\r\n+-\t\t\tregulator-max-microvolt = &lt;1325000&gt;;\r\n++\t\t\tregulator-max-microvolt = &lt;1375000&gt;;\r\n+ \t\t\tregulator-boot-on;\r\n+ \t\t\tregulator-always-on;\r\n+ \t\t};\r\ndiff --git a\/patches\/cpufreq\/0006-hack-boneblack-enable-1Ghz-operation.patch b\/patches\/cpufreq\/0006-hack-boneblack-enable-1Ghz-operation.patch\r\nnew file mode 100644\r\nindex 0000000..0838542\r\n--- \/dev\/null\r\n+++ b\/patches\/cpufreq\/0006-hack-boneblack-enable-1Ghz-operation.patch\r\n@@ -0,0 +1,45 @@\r\n+From ebb84cf959ef769260ebc7ad4c8b8e242de4a662 Mon Sep 17 00:00:00 2001\r\n+From: Robert Nelson &lt;robertcnelson@gmail.com&gt;\r\n+Date: Thu, 12 Dec 2013 13:03:55 -0600\r\n+Subject: [PATCH 5\/5] hack: boneblack: enable 1Ghz operation\r\n+\r\n+Signed-off-by: Robert Nelson &lt;robertcnelson@gmail.com&gt;\r\n+---\r\n+ arch\/arm\/boot\/dts\/am335x-boneblack.dts | 20 ++++++++++++++++++++\r\n+ 1 file changed, 20 insertions(+)\r\n+\r\n+diff --git a\/arch\/arm\/boot\/dts\/am335x-boneblack.dts b\/arch\/arm\/boot\/dts\/am335x-boneblack.dts\r\n+index 61842c1..e64b61d 100644\r\n+--- a\/arch\/arm\/boot\/dts\/am335x-boneblack.dts\r\n++++ b\/arch\/arm\/boot\/dts\/am335x-boneblack.dts\r\n+@@ -10,6 +10,27 @@\r\n+ #include &quot;am33xx.dtsi&quot;\r\n+ #include &quot;am335x-bone-common.dtsi&quot;\r\n+\r\n++\/ {\r\n++\tcpus {\r\n++\t\tcpu@0 {\r\n++\t\t\tcpu0-supply = &lt;&amp;dcdc2_reg&gt;;\r\n++\t\t\t\/*\r\n++\t\t\t * To consider voltage drop between PMIC and SoC,\r\n++\t\t\t * tolerance value is reduced to 2% from 4% and\r\n++\t\t\t * voltage value is increased as a precaution.\r\n++\t\t\t *\/\r\n++\t\t\toperating-points = &lt;\r\n++\t\t\t\t\/* kHz    uV *\/\r\n++\t\t\t\t1200000\t1375000\r\n++\t\t\t\t1000000\t1325000\r\n++\t\t\t\t800000\t1300000\r\n++\t\t\t\t600000\t1112000\r\n++\t\t\t\t300000\t 969000\r\n++\t\t\t&gt;;\r\n++\t\t};\r\n++\t};\r\n++};\r\n++\r\n+ &amp;hdmi {\r\n+ \tstatus = &quot;okay&quot;;\r\n+ };\r\n+--\r\n+1.8.5.1\r\n+\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3a\u4ec0\u4e48\u8981\u4e70\u8fd9\u73a9\u610f\uff1f\u8fd9\u5c31\u597d\u50cf\u4e3a\u4ec0\u4e48\u6709\u90a3\u4e48\u591a\u4eba\u4e70 Raspberry Pi \u4e00\u6837\uff0c\u76ee\u524d\u8fd9\u8d27\u5728\u8dd1 mediatomb &hellip; <a href=\"http:\/\/blog.dword1511.info\/?p=4549\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">BeagleBone Black \u53ca\u5176\u8d85\u9891<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[14,11],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/4549"}],"collection":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4549"}],"version-history":[{"count":4,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/4549\/revisions"}],"predecessor-version":[{"id":4592,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/4549\/revisions\/4592"}],"wp:attachment":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4549"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4549"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}