2010/11/27 Simon Horman <[email protected]>: > The 16-19th bits of CE_CLK_CTRL set the > MMC clock frequency. > > Cc: Yusuke Goda <[email protected]> > Cc: Magnus Damm <[email protected]> > Signed-off-by: Simon Horman <[email protected]> > --- > include/linux/mmc/sh_mmcif.h | 17 +++++++++-------- > 1 files changed, 9 insertions(+), 8 deletions(-) > > diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h > index 519a2cd..44fc534 100644 > --- a/include/linux/mmc/sh_mmcif.h > +++ b/include/linux/mmc/sh_mmcif.h > @@ -77,6 +77,9 @@ struct sh_mmcif_plat_data { > #define CLK_ENABLE (1 << 24) /* 1: output mmc clock */ > #define CLK_CLEAR ((1 << 19) | (1 << 18) | (1 << 17) | (1 << > 16)) > #define CLK_SUP_PCLK ((1 << 19) | (1 << 18) | (1 << 17) | (1 << > 16)) > +#define CLKDIV_4 (1<<16) /* mmc clock frequency. > + * n: bus clock/(2^(n+1)) */ > +#define CLKDIV_256 (7<<16) /* mmc clock frequency. (see above) */ > #define SRSPTO_256 ((1 << 13) | (0 << 12)) /* resp timeout */ > #define SRBSYTO_29 ((1 << 11) | (1 << 10) | \ > (1 << 9) | (1 << 8)) /* resp busy timeout */ [...]
Maybe zero is a valid value here meaning CLKDIV = 2. Best Regards, Michał Mirosław -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
