diff options
Diffstat (limited to 'drivers/usb/musb-new/musb_uboot.c')
| -rw-r--r-- | drivers/usb/musb-new/musb_uboot.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/musb-new/musb_uboot.c b/drivers/usb/musb-new/musb_uboot.c index 6e58ddf02c..51fb3fd7e2 100644 --- a/drivers/usb/musb-new/musb_uboot.c +++ b/drivers/usb/musb-new/musb_uboot.c @@ -1,5 +1,8 @@ #include <common.h> #include <watchdog.h> +#ifdef CONFIG_ARCH_SUNXI +#include <asm/arch/usbc.h> +#endif #include <asm/errno.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> @@ -186,8 +189,19 @@ void usb_reset_root_port(void) power &= 0xf0; musb_writeb(mbase, MUSB_POWER, MUSB_POWER_RESET | power); mdelay(50); +#ifdef CONFIG_ARCH_SUNXI + /* + * sunxi phy has a bug and it will wrongly detect high speed squelch + * when clearing reset on low-speed devices, temporary disable + * squelch detection to work around this. + */ + sunxi_usbc_enable_squelch_detect(0, 0); +#endif power = musb_readb(mbase, MUSB_POWER); musb_writeb(mbase, MUSB_POWER, ~MUSB_POWER_RESET & power); +#ifdef CONFIG_ARCH_SUNXI + sunxi_usbc_enable_squelch_detect(0, 1); +#endif host->isr(0, host); host_speed = (musb_readb(mbase, MUSB_POWER) & MUSB_POWER_HSMODE) ? USB_SPEED_HIGH : |