Hi Kever, On 24 November 2016 at 00:29, Kever Yang <kever.y...@rock-chips.com> wrote: > The PopMetal board have a on board FE1.1 usb 2.0 hub which connect to > the usb host port, we need to de-assert its reset pin to enable it. > > Signed-off-by: Kever Yang <kever.y...@rock-chips.com> > --- > > Changes in v2: > - move the vbus power enable into dwc2 driver > > board/chipspark/popmetal_rk3288/popmetal-rk3288.c | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/board/chipspark/popmetal_rk3288/popmetal-rk3288.c > b/board/chipspark/popmetal_rk3288/popmetal-rk3288.c > index aad74ef..ed82b2b 100644 > --- a/board/chipspark/popmetal_rk3288/popmetal-rk3288.c > +++ b/board/chipspark/popmetal_rk3288/popmetal-rk3288.c > @@ -6,6 +6,7 @@ > > #include <common.h> > #include <spl.h> > +#include <asm/gpio.h> > > void board_boot_order(u32 *spl_boot_list) > { > @@ -13,3 +14,19 @@ void board_boot_order(u32 *spl_boot_list) > spl_boot_list[0] = BOOT_DEVICE_MMC2; > spl_boot_list[1] = BOOT_DEVICE_MMC1; > } > + > +#define GPIO7A3_HUB_RST 227 > + > +int rk_board_late_init(void) > +{ > + int ret; > + > + ret = gpio_request(GPIO7A3_HUB_RST, "hub_rst"); > + if (ret) > + return ret; > + ret = gpio_direction_output(GPIO7A3_HUB_RST, 1); > + if (ret)
Can we get this from the device tree instead of hard-coding it? Then it can go in generic code. > + return ret; > + > + return 0; > +} > -- > 1.9.1 > Regards, Simon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot