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Groups > linux.kernel > #1561172
| From | Kevin Hilman <khilman@baylibre.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] ARM: davinci: da850-evm: fix read access to SPI flash |
| Date | 2017-01-18 01:30 +0100 |
| Message-ID | <t0Miu-5tz-9@gated-at.bofh.it> (permalink) |
| References | <t0BwJ-7cW-11@gated-at.bofh.it> |
| Organization | BayLibre |
Fabien Parent <fparent@baylibre.com> writes: > Read access to the SPI flash are broken on da850-evm, i.e. the data > read is not what is actually programmed on the flash. > According to the datasheet for the M25P64 part present on the da850-evm, > if the SPI frequency is higher than 20MHz then the READ command is not > usable anymore and only the FAST_READ command can be used to read data. > > This commit specifies in the DTS that we should use FAST_READ command > instead of the READ command. > > Signed-off-by: Fabien Parent <fparent@baylibre.com> Tested on da850-evm on top of v4.10-rc3. This gets the DT boot functionatliy in line with the legacy (board-file) boot. Tested-by: Kevin Hilman <khilman@baylibre.com> Kevin
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[PATCH] ARM: davinci: da850-evm: fix read access to SPI flash Fabien Parent <fparent@baylibre.com> - 2017-01-17 14:00 +0100
Re: [PATCH] ARM: davinci: da850-evm: fix read access to SPI flash Kevin Hilman <khilman@baylibre.com> - 2017-01-18 01:30 +0100
Re: [PATCH] ARM: davinci: da850-evm: fix read access to SPI flash Sekhar Nori <nsekhar@ti.com> - 2017-01-18 11:10 +0100
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