Re: OMAP baseline test results for v3.14-rc4 (SDP2430 fail to boot - mmc fs)

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On 02/24/2014 12:35 PM, Paul Walmsley wrote:

> Boot to userspace:
>     FAIL ( 1/12): 2430sdp
> http://www.pwsan.com/omap/testlogs/test_v3.14-rc4/20140224102552/boot/2430sdp/

Figured out why 2430sdp does not boot with MMC filesystem.
DEVCONTROL0,1 needs to be modelled in DT-only boot as well.

OMAP243X SDP # md.l 0x490022e8 1
490022e8: 002fff80    ../.
OMAP243X SDP # md.l 0x49002274 1
49002274: 04000000    ....
OMAP243X SDP # mw.l 0x490022e8 802fff80
^^ bit 31 is step (a) below
OMAP243X SDP # mw.l 0x49002274 05000000
^^ bit 24 is step (b) below
OMAP243X SDP # md.l 0x49002274 1
49002274: 05000000    ....
OMAP243X SDP # md.l 0x490022e8 1
490022e8: 802fff80    ../.
OMAP243X SDP # boot

happily detects the mmc partitions. http://slexy.org/view/s21QaCLMWQ

we modelled pbias in dt so far - this is necessary, but two other
steps are needed as well (based on arch/arm/mach-omap2/hsmmc.c used in
non-dt boot):
a) OMAP243X_CONTROL_DEVCONF1:: OMAP243X_MMC1_ACTIVE_OVERWRITE should
be tweaked based on vdd
b) OMAP2_CONTROL_DEVCONF0::OMAP2_MMCSDIO1ADPCLKISEL should be set for
internal_clk (sdp2430).

-- 
Regards,
Nishanth Menon
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