{"id":1436,"date":"2016-03-29T17:19:04","date_gmt":"2016-03-29T09:19:04","guid":{"rendered":"http:\/\/kaoru.tech\/?p=1436"},"modified":"2016-03-29T17:19:04","modified_gmt":"2016-03-29T09:19:04","slug":"i-mx6ul-u-boot-mmc%e5%88%9d%e5%a7%8b%e5%8c%96%e6%b5%81%e7%a8%8b","status":"publish","type":"post","link":"http:\/\/kaoru.tech:7000\/wordpress\/?p=1436","title":{"rendered":"i.MX6UL U-Boot mmc\u521d\u59cb\u5316\u6d41\u7a0b"},"content":{"rendered":"<h2>\u521d\u59cb\u5316mmc\u63a7\u5236\u5668<\/h2>\n<pre lang=\"vim\">arch\/arm\/lib\/board.c: board_init_r() - mmc_initialize()\r\n\r\ndrivers\/mmc\/mmc.c: mmc_initialize() - board_mmc_init()\r\n\r\n# \u6b64\u5904\u8c03\u75282\u6b21\uff0c\u521d\u59cb\u5316CPU\u76842\u4e2ammc\u63a7\u5236\u5668\r\nboard\/vendor\/board.c: board_mmc_init() - fsl_esdhc_initialize()\r\n\r\n# \u6ce8\u518c\u63a7\u5236\u5668\u5230\u7cfb\u7edf\r\ndrivers\/mmc\/fsl_esdhc.c\uff1a fsl_esdhc_initialize() - mmc_create()\r\n\r\n# \u6ce8\u518c\u5b8c\u6210\r\ndrivers\/mmc\/mmc.c: mmc_create()\r\n<\/pre>\n<h2>\u52a0\u8f7d\u73af\u5883\u53d8\u91cf<\/h2>\n<pre lang=\"vim\">arch\/arm\/lib\/board.c: board_init_r() - should_load_env()\r\n\r\n# \u7531\u4e8eCONFIG_OF_CONTROL\u548cCONFIG_DELAY_ENVIRONMENT\u5747\u672a\u5b9a\u4e49\uff0c\u6545\u8fd4\u56de1\r\narch\/arm\/lib\/board.c: should_load_env() - env_relocate()\r\n\r\n# gd-&gt;env_valid\u9ed8\u8ba4\u4e3a0\r\ncommon\/env_common.c: env_relocate() - env_relocate_spec()\r\n\r\ncommon\/env_mmc.c: env_relocate_spec() - mmc_get_env_devno()\r\n\r\n# \u83b7\u5f97\u5b58\u653eenv\u73af\u5883\u53d8\u91cf\u7684mmc\u5e8f\u53f7\uff0ci.MX6UL\u8bfb\u53d6SRC_SBMR1\u5bc4\u5b58\u5668\u7684\u503c\r\n# \u7136\u540e\u53d6\u51faBOOT_CFG2[3] and BOOT_CFG2[4]\uff0c\u6b64\u4f4d\u53cd\u5e94\u4e86\u786c\u4ef6\u914d\u7f6e\u7684\u542f\u52a8SD\u5361\u63a7\u5236\u5668\u7684\u5e8f\u53f7\r\nboard\/vendor\/board.c: mmc_get_env_devno()\r\n\r\n# \u53d6\u51fa\u5bf9\u5e94mmc\u7684\u7ed3\u6784\r\ncommon\/env_mmc.c: env_relocate_spec() - find_mmc_device()\r\n\r\ncommon\/env_mmc.c: env_relocate_spec() - init_mmc_for_env() - mmc_init() \r\n\r\ndriver\/mmc\/mmc.c: mmc_init() - mmc_start_init()\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u521d\u59cb\u5316mmc\u63a7\u5236\u5668 arch\/arm\/lib\/board.c: board_init_r() &#8211; mmc_initialize() drivers\/mmc\/mmc.c: mmc_initialize() &#8211; board_mmc_init() # \u6b64\u5904\u8c03\u75282\u6b21\uff0c\u521d\u59cb\u5316CPU\u76842\u4e2ammc\u63a7\u5236\u5668 board\/vendor\/board.c: board_mmc_init() &#8211; fsl_esdhc_initialize() # \u6ce8\u518c\u63a7\u5236\u5668\u5230\u7cfb\u7edf drivers\/mmc\/fsl_esdhc.c\uff1a fsl_esdhc_initialize() &#8211; mmc_create() # \u6ce8\u518c\u5b8c\u6210 drivers\/mmc\/mmc.c: mmc_create() \u52a0\u8f7d\u73af\u5883\u53d8\u91cf arch\/arm\/lib\/board.c: board_init_r() &#8211; should_load_env()&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":[266],"tags":[261,268,267],"class_list":["post-1436","post","type-post","status-publish","format-standard","hentry","category-i-mx6","tag-imx6","tag-mmc","tag-u-boot"],"_links":{"self":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1436","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=1436"}],"version-history":[{"count":15,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1436\/revisions"}],"predecessor-version":[{"id":1477,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1436\/revisions\/1477"}],"wp:attachment":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1436"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}