{"id":979,"date":"2012-02-15T23:38:01","date_gmt":"2012-02-15T15:38:01","guid":{"rendered":"http:\/\/kaoru.tech\/?p=979"},"modified":"2012-02-15T23:38:01","modified_gmt":"2012-02-15T15:38:01","slug":"freescale-mpc8241-with-usb-controller","status":"publish","type":"post","link":"http:\/\/kaoru.tech:7000\/wordpress\/?p=979","title":{"rendered":"Freescale MPC8241 with USB controller"},"content":{"rendered":"<p>\u5ba2\u6237\u60f3\u5728\u6211\u4eec\u4e00\u6b3e\u5f88\u8001\u7684\u8bbe\u5907\u4e0a\uff08MPC8241\uff09\u4e0a\u6269\u5c55\u4e00\u4e2aUSB\u63a7\u5236\u5668\u3002\u8ba9\u6211\u5f88\u662f\u5934\u75bc\u3002\u56e0\u4e3a\u73b0\u5728\u4e3b\u6d41\u7684CPU\uff0c\u5305\u62ecMCU\u57fa\u672c\u90fd\u5e26\u6709USB host\/device\u3002<\/p>\n<p>\u4e8e\u662f\u5404\u79cdgoogle\uff0c\u67e5\u5185\u6838\u4ee3\u7801\uff0c\u53d1\u73b0NEC\/CYPRESS\/NXP\/VIA\u5747\u6709USB\u63a7\u5236\u5668\u3002\u6253\u7535\u8bdd\u4e86\u89e3\u4e86\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>CYPRESS\u7684USB\u63a7\u5236\u5668\u662f\u672c\u5730\u603b\u7ebf\u63a5\u53e3\uff0c\u4f46\u662f\u6ca1\u6709\u5f88\u597d\u7684linux\u9a71\u52a8\u652f\u6301\uff0c\u53ef\u80fd\u9700\u8981\u7528\u6237\u81ea\u5df1\u8c03\u8bd5\u3002PS\uff1a\u6211\u4eec\u4e4b\u524d\u6709\u7528\u8fc7PCIE\u63a5FPGA\u6302\u8f7dCY7C67200,\u867d\u7136linux-2.6\u5e26\u6709\u9a71\u52a8\uff0c\u4f46\u662f\u8c03\u8bd5\u4e2d\u53d1\u73b0\u5404\u79cd\u95ee\u9898\uff0c\u6700\u540e\u4e5f\u4e0d\u6e05\u695a\u662fFPGA\u903b\u8f91\u8fd8\u662f\u9a71\u52a8\u95ee\u9898\uff0c\u6700\u540e\u4e0d\u4e86\u4e86\u4e4b\u3002<\/li>\n<li>NXP\u7684USB\u63a7\u5236\u5668\u4e5f\u662f\u672c\u5730\u603b\u7ebf\u63a5\u53e3\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u6539\u7248\uff0c\u4f46\u662f\u4ee3\u7406\u8bf4NXP\u73b0\u5728\u4e0d\u662f\u4e3b\u63a8\u8fd9\u4e2a\u82af\u7247\uff0c\u5e76\u4e14\u8fd9\u4e2a\u82af\u7247\u5df2\u7ecf\u5f88\u4e45\u4e86\uff0c\u4e0d\u4e00\u5b9a\u4ec0\u4e48\u65f6\u5019\u5c31\u505c\u4ea7\u4e86\u3002<\/li>\n<li>NEC\u7684USB\u63a7\u5236\u5668\u662fPCI\u63a5\u53e3\uff0c\u8fd9\u4e2a\u975e\u5e38\u597d\uff0c\u56e0\u4e3a\u6211\u53ef\u4ee5\u4e0d\u7528\u6539\u7248\u3002\u4f46\u662f\u4ee3\u7406\u5f88\u4e45\u90fd\u6ca1\u6709\u7ed9\u6211\u627e\u5230\u505a\u597d\u7684USB\u6269\u5c55\u5361\u3002<\/li>\n<li>VIA\u5c31\u66f4\u60b2\u5267\u4e86\uff0c\u6211\u4eec\u8fde\u4ee3\u7406\u90fd\u6ca1\u641e\u5230\u3002<\/li>\n<\/ul>\n<p>\u6d4b\u8bd51\uff1a<\/p>\n<p>\u7814\u7a76\u4e86\u4e00\u4e0bNEC\/VIA\u7684\u624b\u518c\u548clinux\u7684USB\u63a7\u5236\u5668\u9a71\u52a8\u3002NEC\u548cVIA\u90fd\u662fOHCI\uff0c\u901a\u8fc7pci_register_driver\u6ce8\u518c\uff0c\u7406\u8bba\u4e0a\u6765\u8bf4\u63d2\u4e0a\u5c31\u53ef\u4ee5\u7528\u3002\u4e8e\u662f\u4e70\u4e86\u51e0\u6b3eUSB\u6269\u5c55\u5361\uff0c\u63d2\u4e0a\u3002\u7cfb\u7edf\u68c0\u6d4b\u5230PCI\u8bbe\u5907\uff0cbingo\uff0c\u4e0a\u4e2a\u5395\u6240\u5148\u3002\u7ed3\u679c\u56de\u6765\u4ee5\u540e\u53d1\u73b0CPU\u70e7\u5230\u4e86\u3002<\/p>\n<p>\u539f\u6765\u4e70\u7684USB\u6269\u5c55\u5361\u505a\u7684\u6709BUG\uff0cVIO\u5c45\u7136\u76f4\u63a5\u76f4\u63a5\u548c5V\u77ed\u5728\u4e00\u8d77\u3002\u800c\u6211\u4eec\u677f\u5b50\u7684VIO\u63a5\u7684\u662f3V3\uff0c\u7ed3\u679c\u5bfc\u81f43V3\u548c5V\u77ed\u8def\uff0c\u628aCPU\u70e7\u6389\u4e86\u3002<\/p>\n<p>\u6d4b\u8bd52\uff1a<\/p>\n<p>\u5411\u6211\u4eec\u5728\u90d1\u5dde\u7684\u540c\u4e8b\u4e86\u89e3\u4e86\u4e00\u4e0b\uff0c\u539f\u6765\u90a3\u8fb9\u5df2\u7ecf\u5728MPC8247\u4e0a\u6269\u5c55\u4e86USB\u63a7\u5236\u5668\u3002\u4e8e\u662f\u539f\u7406\u56fe\u548c\u9a71\u52a8\u8981\u6765\u3002\u753b\u56fe\u3001\u751f\u4ea7\u3002<\/p>\n<p>\u52a0\u8f7d\u9a71\u52a8\u53ef\u4ee5\u627e\u5230\u82af\u7247ID\uff0c\u4f46\u662f\u5411scratch\u5bc4\u5b58\u5668\u5199\u5165\u540e\u5728\u8bfb\u53d1\u73b0\u8bfb\u56de\u6765\u7684\u6c38\u8fdc\u662f0x00\uff0c\u653e\u6162\u5199\u65f6\u5e8f\u4e5f\u6ca1\u6709\u6548\u679c\u3002\u8fd9\u4e2a\u662f\u5f88\u5947\u602a\u7684\uff0c\u56e0\u4e3a\u8bfb\u82af\u7247ID\u4e4b\u524d\u4e5f\u8981\u505a\u4e00\u4e2a\u5199\u64cd\u4f5c\u3002<\/p>\n<p>\u60f3\u8d77\u6765\u5f88\u65e9\u524d\u7528\u7684\u4e00\u6b3eCONEXANT\u7684CS86500\u3002\u5f53\u65f6\u8c03\u8bd5\u8fd9\u4e2a\u82af\u7247\u7684\u65f6\u5019\u6240\u6709\u5bc4\u5b58\u5668\u90fd\u6b63\u5e38\uff0c\u53ea\u6709\u8bfbIIR\u7684\u65f6\u5019\u6e05\u4e0d\u6389\u4e2d\u65ad\u3002\u540e\u6765\u53d1\u73b0\u9700\u8981\u5728CS\u6709\u6548\u5230RE\u6709\u6548\u4e4b\u95f4\u6709\u4e00\u5b9a\u5ef6\u65f6\u3002MPC8241\u7684LB\u6ca1\u6709\u5730\u5740\u5efa\u7acb\u65f6\u95f4\u8fd9\u4e2a\u6982\u5ff5\uff0c\u5f53\u65f6\u662f\u901a\u8fc7\u8c03\u6574CPLD\u89e3\u51b3\u7684\u3002<\/p>\n<p>\u4e8e\u662f\u4fee\u6539CPLD\u5728CS\u6709\u6548\u548cWE\u6709\u6548\u4e4b\u95f4\u589e\u52a0\u7684\u4e00\u4e2a\u5ef6\u65f6\u3002\u5411scratch\u5bc4\u5b58\u5668\u5199\u51650x55AA\u8bfb\u56de\u6765\u6b63\u786e\u4e86\u3002\u63d2\u5165U\u76d8\uff0c\u63d0\u793a\u5982\u4e0b\u4fe1\u606f\uff1a<\/p>\n<blockquote><p>hub.c: new USB device ISP116x_HCD-1, assigned address 2<br \/>\nusb_control\/bulk_msg: timeout<br \/>\nusb.c: USB device not accepting new address=2 (error=-110)<br \/>\nhub.c: new USB device ISP116x_HCD-1, assigned address 3<br \/>\nusb_control\/bulk_msg: timeout<br \/>\nusb.c: USB device not accepting new address=3 (error=-110)<\/p><\/blockquote>\n<p>\u5411\u90d1\u5dde\u7684\u540c\u4e8b\u8bf7\u6559\u4e86\u4e5f\u6ca1\u4ec0\u4e48\u597d\u7684\u529e\u6cd5\u3002\u56e0\u4e3a\u63d0\u793a\u8d85\u65f6\uff0c\u6000\u7591\u662f\u4e2d\u65ad\u6ca1\u6536\u5230\uff0c\u4f46\u662f1ms\u7684\u7b49\u65f6\u4f20\u8f93\u4e2d\u65ad\u662f\u6b63\u5e38\u7684\uff0c\u5e76\u4e14\u9a71\u52a8\u7684\u4e2d\u65ad\u5904\u7406\u5224\u65ad\u4e86\u6bcf\u4e2a\u4e2d\u65ad\uff0c\u6ca1\u6709\u4e22\u4e2d\u65ad\u7684\u73b0\u8c61\u3002\u90a3\u4e48\u5c31\u6709\u53ef\u80fd\u662f\u53d1\u9001\u4e86\u4e00\u4e2a\u9519\u8bef\u7684\u62a5\u6587\uff0c\u88abdevice\u4e22\u6389\u4e86\u3002\u90a3\u4e48\u662f\u4e0d\u662f\u8bfb\u5199\u8fd8\u662f\u6709\u95ee\u9898\u5462\uff1f<\/p>\n<p>\u4e8e\u662f\u5411scratch\u5bc4\u5b58\u5668\u4ece0x0000\u4e00\u76f4\u6d4b\u8bd5\u52300xFFFF\uff0c\u53d1\u73b0\u5728\u67d0\u4e9b\u503c\u7684\u786e\u6709\u8bfb\u51fa\u4e0d\u7b26\u5408\u5199\u5165\u7684\u60c5\u51b5\u3002\u5c06CS\u6709\u6548\u5230WE\u6709\u6548\u7684\u65f6\u5ef6\u5728\u5ef6\u540e\u4e86\u4e00\u4e0b\u95ee\u9898\u89e3\u51b3\u3002<\/p>\n<p>\u6d4b\u8bd53\uff1a<\/p>\n<p>\u4ee3\u7406\u5e74\u524d\u4ece\u4ed6\u7684\u5ba2\u6237\u90a3\u8fb9\u501f\u5230\u4e86NEC\u7684PCI\u8f6cUSB\u6269\u5c55\u5361\uff0c\u91cf\u4e86\u4e00\u4e0bPCI\u91d1\u624b\u6307\u7684A5\u548cA10\u6ca1\u6709\u77ed\u8def\u3002\u63d2\u5230\u673a\u5668\u4e0a\uff0c\u52a0\u8f7dusb-ohci\u9a71\u52a8\uff0c\u6210\u529f\u627e\u5230USB hub\uff0c\u8bd5\u4e86USB\u9f20\u6807\u548cU\u76d8\u7684\u62d4\u63d2\u4e5f\u6ca1\u95ee\u9898\u3002<\/p>\n<p>MPC8241\u6269\u5c55USB\u641e\u5b9a\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5ba2\u6237\u60f3\u5728\u6211\u4eec\u4e00\u6b3e\u5f88\u8001\u7684\u8bbe\u5907\u4e0a\uff08MPC8241\uff09\u4e0a\u6269\u5c55\u4e00\u4e2aUSB\u63a7\u5236\u5668\u3002\u8ba9\u6211\u5f88\u662f\u5934\u75bc\u3002\u56e0\u4e3a\u73b0\u5728\u4e3b\u6d41\u7684CPU\uff0c\u5305\u62ecMCU\u57fa\u672c\u90fd\u5e26\u6709USB host\/device\u3002 \u4e8e\u662f\u5404\u79cdgoogle\uff0c\u67e5\u5185\u6838\u4ee3\u7801\uff0c\u53d1\u73b0NEC\/CYPRESS\/NXP\/VIA\u5747\u6709USB\u63a7\u5236\u5668\u3002\u6253\u7535\u8bdd\u4e86\u89e3\u4e86\u5982\u4e0b\uff1a CYPRESS\u7684USB\u63a7\u5236\u5668\u662f\u672c\u5730\u603b\u7ebf\u63a5\u53e3\uff0c\u4f46\u662f\u6ca1\u6709\u5f88\u597d\u7684linux\u9a71\u52a8\u652f\u6301\uff0c\u53ef\u80fd\u9700\u8981\u7528\u6237\u81ea\u5df1\u8c03\u8bd5\u3002PS\uff1a\u6211\u4eec\u4e4b\u524d\u6709\u7528\u8fc7PCIE\u63a5FPGA\u6302\u8f7dCY7C67200,\u867d\u7136linux-2.6\u5e26\u6709\u9a71\u52a8\uff0c\u4f46\u662f\u8c03\u8bd5\u4e2d\u53d1\u73b0\u5404\u79cd\u95ee\u9898\uff0c\u6700\u540e\u4e5f\u4e0d\u6e05\u695a\u662fFPGA\u903b\u8f91\u8fd8\u662f\u9a71\u52a8\u95ee\u9898\uff0c\u6700\u540e\u4e0d\u4e86\u4e86\u4e4b\u3002 NXP\u7684USB\u63a7\u5236\u5668\u4e5f\u662f\u672c\u5730\u603b\u7ebf\u63a5\u53e3\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u6539\u7248\uff0c\u4f46\u662f\u4ee3\u7406\u8bf4NXP\u73b0\u5728\u4e0d\u662f\u4e3b\u63a8\u8fd9\u4e2a\u82af\u7247\uff0c\u5e76\u4e14\u8fd9\u4e2a\u82af\u7247\u5df2\u7ecf\u5f88\u4e45\u4e86\uff0c\u4e0d\u4e00\u5b9a\u4ec0\u4e48\u65f6\u5019\u5c31\u505c\u4ea7\u4e86\u3002 NEC\u7684USB\u63a7\u5236\u5668\u662fPCI\u63a5\u53e3\uff0c\u8fd9\u4e2a\u975e\u5e38\u597d\uff0c\u56e0\u4e3a\u6211\u53ef\u4ee5\u4e0d\u7528\u6539\u7248\u3002\u4f46\u662f\u4ee3\u7406\u5f88\u4e45\u90fd\u6ca1\u6709\u7ed9\u6211\u627e\u5230\u505a\u597d\u7684USB\u6269\u5c55\u5361\u3002 VIA\u5c31\u66f4\u60b2\u5267\u4e86\uff0c\u6211\u4eec\u8fde\u4ee3\u7406\u90fd\u6ca1\u641e\u5230\u3002 \u6d4b\u8bd51\uff1a \u7814\u7a76\u4e86\u4e00\u4e0bNEC\/VIA\u7684\u624b\u518c\u548clinux\u7684USB\u63a7\u5236\u5668\u9a71\u52a8\u3002NEC\u548cVIA\u90fd\u662fOHCI\uff0c\u901a\u8fc7pci_register_driver\u6ce8\u518c\uff0c\u7406\u8bba\u4e0a\u6765\u8bf4\u63d2\u4e0a\u5c31\u53ef\u4ee5\u7528\u3002\u4e8e\u662f\u4e70\u4e86\u51e0\u6b3eUSB\u6269\u5c55\u5361\uff0c\u63d2\u4e0a\u3002\u7cfb\u7edf\u68c0\u6d4b\u5230PCI\u8bbe\u5907\uff0cbingo\uff0c\u4e0a\u4e2a\u5395\u6240\u5148\u3002\u7ed3\u679c\u56de\u6765\u4ee5\u540e\u53d1\u73b0CPU\u70e7\u5230\u4e86\u3002 \u539f\u6765\u4e70\u7684USB\u6269\u5c55\u5361\u505a\u7684\u6709BUG\uff0cVIO\u5c45\u7136\u76f4\u63a5\u76f4\u63a5\u548c5V\u77ed\u5728\u4e00\u8d77\u3002\u800c\u6211\u4eec\u677f\u5b50\u7684VIO\u63a5\u7684\u662f3V3\uff0c\u7ed3\u679c\u5bfc\u81f43V3\u548c5V\u77ed\u8def\uff0c\u628aCPU\u70e7\u6389\u4e86\u3002 \u6d4b\u8bd52\uff1a \u5411\u6211\u4eec\u5728\u90d1\u5dde\u7684\u540c\u4e8b\u4e86\u89e3\u4e86\u4e00\u4e0b\uff0c\u539f\u6765\u90a3\u8fb9\u5df2\u7ecf\u5728MPC8247\u4e0a\u6269\u5c55\u4e86USB\u63a7\u5236\u5668\u3002\u4e8e\u662f\u539f\u7406\u56fe\u548c\u9a71\u52a8\u8981\u6765\u3002\u753b\u56fe\u3001\u751f\u4ea7\u3002 \u52a0\u8f7d\u9a71\u52a8\u53ef\u4ee5\u627e\u5230\u82af\u7247ID\uff0c\u4f46\u662f\u5411scratch\u5bc4\u5b58\u5668\u5199\u5165\u540e\u5728\u8bfb\u53d1\u73b0\u8bfb\u56de\u6765\u7684\u6c38\u8fdc\u662f0x00\uff0c\u653e\u6162\u5199\u65f6\u5e8f\u4e5f\u6ca1\u6709\u6548\u679c\u3002\u8fd9\u4e2a\u662f\u5f88\u5947\u602a\u7684\uff0c\u56e0\u4e3a\u8bfb\u82af\u7247ID\u4e4b\u524d\u4e5f\u8981\u505a\u4e00\u4e2a\u5199\u64cd\u4f5c\u3002 \u60f3\u8d77\u6765\u5f88\u65e9\u524d\u7528\u7684\u4e00\u6b3eCONEXANT\u7684CS86500\u3002\u5f53\u65f6\u8c03\u8bd5\u8fd9\u4e2a\u82af\u7247\u7684\u65f6\u5019\u6240\u6709\u5bc4\u5b58\u5668\u90fd\u6b63\u5e38\uff0c\u53ea\u6709\u8bfbIIR\u7684\u65f6\u5019\u6e05\u4e0d\u6389\u4e2d\u65ad\u3002\u540e\u6765\u53d1\u73b0\u9700\u8981\u5728CS\u6709\u6548\u5230RE\u6709\u6548\u4e4b\u95f4\u6709\u4e00\u5b9a\u5ef6\u65f6\u3002MPC8241\u7684LB\u6ca1\u6709\u5730\u5740\u5efa\u7acb\u65f6\u95f4\u8fd9\u4e2a\u6982\u5ff5\uff0c\u5f53\u65f6\u662f\u901a\u8fc7\u8c03\u6574CPLD\u89e3\u51b3\u7684\u3002 \u4e8e\u662f\u4fee\u6539CPLD\u5728CS\u6709\u6548\u548cWE\u6709\u6548\u4e4b\u95f4\u589e\u52a0\u7684\u4e00\u4e2a\u5ef6\u65f6\u3002\u5411scratch\u5bc4\u5b58\u5668\u5199\u51650x55AA\u8bfb\u56de\u6765\u6b63\u786e\u4e86\u3002\u63d2\u5165U\u76d8\uff0c\u63d0\u793a\u5982\u4e0b\u4fe1\u606f\uff1a hub.c: new USB device ISP116x_HCD-1, assigned address 2 usb_control\/bulk_msg: timeout usb.c: USB device not accepting&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[7],"tags":[131,117,132,68],"class_list":["post-979","post","type-post","status-publish","format-standard","hentry","category-debug","tag-isp116x","tag-mpc8241","tag-nec","tag-usb"],"_links":{"self":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=979"}],"version-history":[{"count":2,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/979\/revisions"}],"predecessor-version":[{"id":981,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/979\/revisions\/981"}],"wp:attachment":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=979"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}