{"action":"opened","issue":{"url":"https://api.github.com/repos/openbmc/openbmc/issues/852","repository_url":"https://api.github.com/repos/openbmc/openbmc","labels_url":"https://api.github.com/repos/openbmc/openbmc/issues/852/labels{/name}","comments_url":"https://api.github.com/repos/openbmc/openbmc/issues/852/comments","events_url":"https://api.github.com/repos/openbmc/openbmc/issues/852/events","html_url":"https://github.com/openbmc/openbmc/issues/852","id":192668556,"number":852,"title":"Zaius FSI debug support","user":{"login":"GHF","id":38979,"avatar_url":"https://avatars.githubusercontent.com/u/38979?v=3","gravatar_id":"","url":"https://api.github.com/users/GHF","html_url":"https://github.com/GHF","followers_url":"https://api.github.com/users/GHF/followers","following_url":"https://api.github.com/users/GHF/following{/other_user}","gists_url":"https://api.github.com/users/GHF/gists{/gist_id}","starred_url":"https://api.github.com/users/GHF/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/GHF/subscriptions","organizations_url":"https://api.github.com/users/GHF/orgs","repos_url":"https://api.github.com/users/GHF/repos","events_url":"https://api.github.com/users/GHF/events{/privacy}","received_events_url":"https://api.github.com/users/GHF/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-11-30T20:20:01Z","updated_at":"2016-11-30T20:20:01Z","closed_at":null,"body":"We need pdbg or OpenFSI support for Zaius to boot the host.\r\n\r\npdbg doesn't work out of the box because of open-power/pdbg#8 and because its GPIOs are hardcoded for some other system. Even with fixes for those, I haven't had any luck with it:\r\n\r\n```\r\nroot@zaius:~# /tmp/pdbg -b fsi -p 0 getcfam 0x281c\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\ngetaddr: Error reading register\r\nroot@zaius:~# /tmp/pdbg -b fsi probe\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nCRC error: 0x7f\r\nOverall System Topology\r\n=======================\r\n\r\nBMC FSI Backend@0\r\n    FSI2PIB@1000\r\n\r\nCFAMs Present\r\n=============\r\n\r\n0: BMC FSI Backend@0\r\n\r\nProcessors/Chiplets Present\r\n===========================\r\n```\r\n\r\nUsing these pins:\r\n\r\n```\r\n#define FSI_CLK»»       208»    //GPIOAA0\r\n#define FSI_DAT»»       32»     //GPIOE0\r\n#define CRONUS_SEL»     126»    //GPIOP6\r\n#define FSI_ENABLE»     24»     //GPIOD0\r\n#define FSI_DAT_EN»     118»    //GPIOO6\r\n```"}}
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