Changeset 36a4738 in mainline for uspace/drv/uhci-hcd/uhci.c

Timestamp:

2011-02-16T21:30:43Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

30a4301

Parents:

9013ad3

Message:

Add interrupt registration and debug

File:

• uspace/drv/uhci-hcd/uhci.c (modified) (2 diffs)

uspace/drv/uhci-hcd/uhci.c

@@ -82 +82 @@
 void uhci_init_hw(uhci_t *instance)
 {
-        const uintptr_t pa = (uintptr_t)addr_to_phys(instance->frame_list);
-        pio_write_32(&instance->registers->flbaseadd, (uint32_t)pa);
+        const uint32_t pa = addr_to_phys(instance->frame_list);
+        pio_write_32(&instance->registers->flbaseadd, pa);
+
+        /* enable all interrupts */
+        pio_write_16(&instance->registers->usbintr,
+                  UHCI_INTR_CRC | UHCI_INTR_COMPLETE | UHCI_INTR_SHORT_PACKET);
 
         /* Start the hc with large(64B) packet FSBR */
@@ -206 +210 @@
         assert(instance);
         while (1) {
-                uint16_t cmd = pio_read_16(&instance->registers->usbcmd);
-                uint16_t sts = pio_read_16(&instance->registers->usbsts);
-                usb_log_debug("Command register: %X Status register: %X\n", cmd, sts);
+                const uint16_t cmd = pio_read_16(&instance->registers->usbcmd);
+                const uint16_t sts = pio_read_16(&instance->registers->usbsts);
+                const uint16_t intr = pio_read_16(&instance->registers->usbintr);
+                usb_log_debug("Command: %X Status: %X Interrupts: %x\n",
+                    cmd, sts, intr);
 
                 uintptr_t frame_list = pio_read_32(&instance->registers->flbaseadd);