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On some Freescale SoC Internal DMA of eSDHC controller has bug.
So PIO Mode has been introduced to do data transfer using CPU.
Signed-off-by: Dipen Dudhat <dipen.dudhat@freescale.com>
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When we set the read or write watermark in WML we should maintain the
rest of the register as is, rather than using some hard coded value.
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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To support multiple block read command we must set abort or use auto
CMD12. If we booted from eSDHC controller neither of these are used
and thus we need to reset the controller to allow multiple block read
to function.
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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We need to stop the clocks on 83xx/85xx as well as imx. No need to make
this code conditional to just imx.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Stefano Babic <sbabic@denx.de>
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The esdhc controller in the mx51 processor is quite
the same as the one in some powerpc processors
(MPC83xx, MPC85xx). This patches adapts the driver
to support the arm mx51.
Signed-off-by: Stefano Babic <sbabic@denx.de>
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Fix typo in SYSCTL_CLOCK_MASK, which caused residual in high bits of SDCLKFS.
Signed-off-by: Jin Qing <B24347@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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This patch implements fdt_fixup_esdhc() function that is used to fixup
the device tree.
The function adds status = "disabled" propery if esdhc pins muxed away,
otherwise it fixups clock-frequency for esdhc nodes.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
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This uses the new MMC framework
Some contributions by Dave Liu <daveliu@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
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