> From: joshua stein <j...@jcs.org> > Date: Wed, 7 May 2025 21:52:28 -0500 > > Not sure yet why transfers fail but this gets things going
I wonder if that's because you don't actually switch the bus into 4-bit mode? > --- > sys/dev/fdt/dwmmc.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/sys/dev/fdt/dwmmc.c b/sys/dev/fdt/dwmmc.c > index c7a236b367b..b6891ae8a49 100644 > --- a/sys/dev/fdt/dwmmc.c > +++ b/sys/dev/fdt/dwmmc.c > @@ -424,7 +424,10 @@ dwmmc_attach(struct device *parent, struct device *self, > void *aux) > saa.sch = sc; > saa.dmat = sc->sc_dmat; > saa.dmap = sc->sc_dmap; > - saa.caps |= SMC_CAPS_DMA; > + > + /* XXX: mmc dma is broken on rk3128, don't use it for now */ > + if (!OF_is_compatible(faa->fa_node, "rockchip,rk3128-dw-mshc")) > + saa.caps |= SMC_CAPS_DMA; > > if (OF_getproplen(sc->sc_node, "cap-mmc-highspeed") == 0) > saa.caps |= SMC_CAPS_MMC_HIGHSPEED; > -- > 2.47.1 > >
