{"id":439,"date":"2018-03-05T15:19:26","date_gmt":"2018-03-05T07:19:26","guid":{"rendered":"http:\/\/www.freezhongzi.info\/?p=439"},"modified":"2019-09-29T09:11:32","modified_gmt":"2019-09-29T01:11:32","slug":"am335x%e7%a7%bb%e6%a4%8dopenwrt-%e4%ba%8c","status":"publish","type":"post","link":"https:\/\/bl4kraven.com\/index.php\/2018\/03\/05\/am335x%e7%a7%bb%e6%a4%8dopenwrt-%e4%ba%8c\/","title":{"rendered":"AM335X\u79fb\u690dOpenWRT \u4e8c"},"content":{"rendered":"

\u4e0a\u7bc7\u8bf4\u5230OK335xD\u5f00\u53d1\u677f\u79fb\u690d\u5230OpenWRT\u540e\u7f51\u53e3\u4e00\u76f4\u4e0d\u884c\uff0c\u88c5\u4e86tcpdump\u6293\u5305\u53d1\u73b0\u6570\u636e\u80fd\u63a5\u53d7\u4f46\u4e0d\u80fd\u53d1\u9001\u3002<\/p>\n

\u6700\u540e\u641c\u7d22\u5230\u8fd9\u4e2aTI\u5b98\u65b9\u8bba\u575b\u7684\u5e16\u5b50<\/a>\uff0c\u8bf4\u660e\u53ef\u80fd\u662fTCLK\u9891\u7387\u4e0d\u5bf9\uff0c\u56e0\u4e3aRCLK\u662fPHY\u82af\u7247AR8031\u63d0\u4f9b\u7684\uff0c\u9891\u7387\u662f25MHZ\uff0c\u4f46TCLK\u662fAM335X\u63d0\u4f9b\u7684PLL\u5206\u9891\u540e\u63d0\u4f9b\u7684\uff0c\u5982\u679cPLL\u914d\u7f6e\u4e0d\u5bf9TCLK\u4f1a\u9519\u8bef\u7684\u9891\u7387\u5bfc\u81f4\u53d1\u751f\u5931\u8d25\u3002<\/p>\n

\"\"<\/p>\n

AM335X \u4ee5\u592a\u7f51Clock\u662f\u901a\u8fc7CORE_CLKOUTM5\u63d0\u4f9b\u7684\uff08250MHZ\uff09\uff0c\u4e00\u822c\u6765\u8bf4TCLK\u5343\u5146\u7f51\u53e3\u7684\u8bdd\u9700\u8981125MHZ\uff0c\u767e\u5146\u7f51\u53e3\u9700\u898125MHZ\uff0c\u5341\u5146\u9700\u89812.5MHZ\uff0c \u6211\u73b0\u5728\u7528\u7684100M\u7f51\u53e3\uff0cTCLK\u9700\u8981\u8fbe\u523025MHZ\u3002<\/p>\n

\u68c0\u67e5\u4e00\u4e0b\u73b0\u5728\u7cfb\u7edf\u4e2d\u7684CORE_CLKOUTM5\uff1a<\/p>\n

root@OpenWrt:\/tmp# cat \/sys\/kernel\/debug\/clk\/clk_summary | grep m5\n         dpll_core_m5_ck              2            2   50000000          0 0  \n<\/code><\/pre>\n
\u53d1\u73b0\u53ea\u670950MHZ\uff0c\u6240\u4ee5\u95ee\u9898\u51fa\u5728\u8fd9\u91cc\uff0c\u5e94\u8be5\u662fuboot\u6ca1\u914d\u7f6e\u597dPLL\u53c2\u6570\uff0c\u6362\u4e86\u4e00\u4e2a\u677f\u5b50\u81ea\u5e26\u7684\u5c31OK\u4e86\uff1a<\/p>\n
root@OpenWrt:\/tmp# cat \/sys\/kernel\/debug\/clk\/clk_summary | grep m5\n         dpll_core_m5_ck              2            2   250000000          0 0  \n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u4e0a\u7bc7\u8bf4\u5230OK335xD\u5f00\u53d1\u677f\u79fb\u690d\u5230OpenWRT\u540e\u7f51\u53e3\u4e00\u76f4\u4e0d\u884c\uff0c\u88c5\u4e86tcpdum … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a> \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-439","post","type-post","status-publish","format-standard","hentry","category-openwrt"],"_links":{"self":[{"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/posts\/439","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/comments?post=439"}],"version-history":[{"count":3,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/posts\/439\/revisions"}],"predecessor-version":[{"id":533,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/posts\/439\/revisions\/533"}],"wp:attachment":[{"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/media?parent=439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/categories?post=439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/tags?post=439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}