diff options
Diffstat (limited to 'payloads/libpayload/drivers/usb/uhci_rh.c')
| -rw-r--r-- | payloads/libpayload/drivers/usb/uhci_rh.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/payloads/libpayload/drivers/usb/uhci_rh.c b/payloads/libpayload/drivers/usb/uhci_rh.c index 53b32f6a14..5074099255 100644 --- a/payloads/libpayload/drivers/usb/uhci_rh.c +++ b/payloads/libpayload/drivers/usb/uhci_rh.c @@ -53,14 +53,18 @@ uhci_rh_enable_port (usbdev_t *dev, int port) return; } - uhci_reg_mask16 (controller, port, ~(1 << 12), 0); /* wakeup */ + uhci_reg_write16(controller, port, + uhci_reg_read16(controller, port) & ~(1 << 12)); /* wakeup */ - uhci_reg_mask16 (controller, port, ~0, 1 << 9); /* reset */ + uhci_reg_write16(controller, port, + uhci_reg_read16(controller, port) | 1 << 9); /* reset */ mdelay (30); // >10ms - uhci_reg_mask16 (controller, port, ~(1 << 9), 0); + uhci_reg_write16(controller, port, + uhci_reg_read16(controller, port) & ~(1 << 9)); mdelay (1); // >5.3us per spec, <3ms because some devices make trouble - uhci_reg_mask16 (controller, port, ~0, 1 << 2); /* enable */ + uhci_reg_write16(controller, port, + uhci_reg_read16(controller, port) | 1 << 2); /* enable */ do { value = uhci_reg_read16 (controller, port); mdelay (1); @@ -75,7 +79,8 @@ uhci_rh_disable_port (usbdev_t *dev, int port) port = PORTSC2; if (port == 1) port = PORTSC1; - uhci_reg_mask16 (controller, port, ~4, 0); + uhci_reg_write16(controller, port, + uhci_reg_read16(controller, port) & ~4); int value; do { value = uhci_reg_read16 (controller, port); @@ -102,7 +107,8 @@ uhci_rh_scanport (usbdev_t *dev, int port) usb_detach_device(dev->controller, devno); RH_INST (dev)->port[offset] = -1; } - uhci_reg_mask16 (dev->controller, portsc, ~0, (1 << 3) | (1 << 2)); // clear port state change, enable port + uhci_reg_write16(dev->controller, portsc, + uhci_reg_read16(dev->controller, portsc) | (1 << 3) | (1 << 2)); // clear port state change, enable port mdelay(100); // wait for signal to stabilize |