Date: Sat, 24 May 2014 12:49:26 -0400 From: Winston Smith <smith.winston.101@gmail.com> To: SAITOU Toshihide <toshi@ruby.ocn.ne.jp> Cc: FreeBSD ARM <freebsd-arm@freebsd.org>, Ian Lepore <ian@freebsd.org> Subject: Re: BBB MMC / SD detection instability with U-Boot 2014.04 (CPU 1GHz) Message-ID: <CADH-AwFWPn6=tRVATAOw=PoGO-0AvF8j-vv4Ko1An=0qqpbhuw@mail.gmail.com> In-Reply-To: <20140524.200837.142870524.toshi@ruby.ocn.ne.jp> References: <1400765234.1152.224.camel@revolution.hippie.lan> <20140522.231553.186386229.toshi@ruby.ocn.ne.jp> <1400768866.1152.231.camel@revolution.hippie.lan> <20140524.200837.142870524.toshi@ruby.ocn.ne.jp>
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On Sat, May 24, 2014 at 7:08 AM, SAITOU Toshihide <toshi@ruby.ocn.ne.jp> wrote: >>> > Does it fix the problem to move the ti_prcm_clk_enable() call to be >>> > before the USBSS_REVREG read in attach? >>> >>> I will try ti_prcm_clk_enable() at the weekend. But someone's report >>> would be appriciated because I remove the src and svn up now. Just to clarify; you applied the ti_prcm_clk_enable() to fix the 'non-linefetch abort' (above). > BEAGLEBONE config is changed to include beaglebone-black.dts, boot > from SD by pressing S2, repeat power cycle and hit enter key randomly > when ``Hit [Enter] to boot immediately''. > > result: > > 'external non-linefetch abort' was disappeared, and very few > 'translation fault' was observed. > > vm_fault(0xc092d960, 0, 1, 0) -> 1 > Fatal kernel mode data abort: 'Translation Fault (S)' > trapframe: 0xc0a26b30 > FSR=00000005, FAR=00000018, spsr=80000193 > r0 =c288d380, r1 =00000000, r2 =00000019, r3 =60000193 > r4 =00000000, r5 =c288d380, r6 =00000006, r7 =c053e8fc > r8 =c288d380, r9 =c28e928c, r10=c28e70c8, r11=c0a26b90 > r12=00000000, ssp=c0a26b80, slr=c055fedc, pc =c0391098 > > [ thread pid 0 tid 100000 ] > Stopped at device_delete_child+0x14: ldr r1, [r4, #0x018] But now you're running into these 'translation fault' traps?
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