On Tue, Jun 14, 2016 at 11:53 PM, Peng Fan <van.free...@gmail.com> wrote: > From: Ye Li <ye...@nxp.com> > > The USDHC move the 4 clock bits CARD_CLK_SOFT_EN, IPG_PERCLK_SOFT_EN, > HCLK_SOFT_EN, and IPG_CLK_SOFT_EN from sysctl register to vendorspec > register. The driver uses RSTA to replace the clock gate off > operation. But this is not a good solution. This is because: > 1. when using RSTA, we should wait this bit to clear by itself. This is not > implemeneted in the code. > 2. After RSTA is set, it is recommended that the Host Driver reset the > external card and reinitialize it. > > So in this patch, we change to use the vendorspec registers for these bits > operation. > > Signed-off-by: Ye Li <ye...@nxp.com> > Signed-off-by: Peng Fan <van.free...@gmail.com> > Cc: York Sun <york....@nxp.com> > Cc: Stefano Babic <sba...@denx.de> > Cc: Pantelis Antoniou <pa...@antoniou-consulting.com> > Cc: Fabio Estevam <fabio.este...@nxp.com>
Tested-by: Fabio Estevam <fabio.este...@nxp.com> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
