diff options
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 11 | ||||
| -rw-r--r-- | drivers/usb/phy/Kconfig | 2 |
2 files changed, 9 insertions, 4 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 81cda09b47e3..d1a48e49c0e8 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -590,11 +590,16 @@ static int ehci_run (struct usb_hcd *hcd) */ hcc_params = ehci_readl(ehci, &ehci->caps->hcc_params); if (HCC_64BIT_ADDR(hcc_params)) { - ehci_writel(ehci, 0, &ehci->regs->segment); -#if 0 -// this is deeply broken on almost all architectures +#if CONFIG_ARM64 + ehci_writel(ehci, ehci->periodic_dma >> 32, &ehci->regs->segment); + /* + * this is deeply broken on almost all architectures + * but arm64 can use it so enable it + */ if (!dma_set_mask(hcd->self.controller, DMA_BIT_MASK(64))) ehci_info(ehci, "enabled 64bit DMA\n"); +#else + ehci_writel(ehci, 0, &ehci->regs->segment); #endif } diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig index 7d1451d5bbea..5998c1d491ef 100644 --- a/drivers/usb/phy/Kconfig +++ b/drivers/usb/phy/Kconfig @@ -253,7 +253,7 @@ config USB_RCAR_GEN2_PHY config USB_ULPI bool "Generic ULPI Transceiver Driver" - depends on ARM + depends on ARM || ARM64 help Enable this to support ULPI connected USB OTG transceivers which are likely found on embedded boards. |