diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/ehci-mx6.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c index 969e44a..ffe702b 100644 --- a/drivers/usb/host/ehci-mx6.c +++ b/drivers/usb/host/ehci-mx6.c @@ -266,6 +266,25 @@ int usb_phy_mode(int port) } #endif +static void ehci_mx6_powerup_fixup(struct ehci_ctrl *ctrl, uint32_t *status_reg, + uint32_t *reg) +{ + uint32_t result; + int usec = 2000; + + mdelay(50); + + do { + result = ehci_readl(status_reg); + udelay(5); + if (!(result & EHCI_PS_PR)) + break; + usec--; + } while (usec > 0); + + *reg = ehci_readl(status_reg); +} + static void usb_oc_config(int index) { #if defined(CONFIG_MX6) @@ -365,6 +384,10 @@ int ehci_mx6_common_init(struct usb_ehci *ehci, int index) } #ifndef CONFIG_DM_USB +static const struct ehci_ops mx6_ehci_ops = { + .powerup_fixup = ehci_mx6_powerup_fixup, +}; + int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, struct ehci_hcor **hcor) { @@ -392,6 +415,8 @@ int ehci_hcd_init(int index, enum usb_init_type init, if (ret) return ret; + ehci_set_controller_priv(index, NULL, &mx6_ehci_ops); + type = board_usb_phy_mode(index); if (hccr && hcor) { @@ -463,7 +488,8 @@ static int mx6_init_after_reset(struct ehci_ctrl *dev) } static const struct ehci_ops mx6_ehci_ops = { - .init_after_reset = mx6_init_after_reset + .powerup_fixup = ehci_mx6_powerup_fixup, + .init_after_reset = mx6_init_after_reset }; static int ehci_usb_phy_mode(struct udevice *dev) |