Changeset 6fb003e in mainline for uspace/drv/ohci/hc.c

Timestamp:

2011-05-07T13:40:03Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

02804e1, 1866945

Parents:

bc02b83 (diff), 7ab7c7f6 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Fixed: OHCI: use devices are not detected at startup time

File:

• uspace/drv/ohci/hc.c (modified) (10 diffs)

uspace/drv/ohci/hc.c

@@ -49 +49 @@
 static int interrupt_emulator(hc_t *instance);
 static void hc_gain_control(hc_t *instance);
-static void hc_init_hw(hc_t *instance);
 static int hc_init_transfer_lists(hc_t *instance);
 static int hc_init_memory(hc_t *instance);
@@ -92 +91 @@
                 usb_log_error("Failed add root hub match-id.\n");
         }
+        ret = ddf_fun_bind(hub_fun);
         return ret;
 }
@@ -111 +111 @@
             ret, str_error(ret));
 
+        list_initialize(&instance->pending_batches);
         usb_device_keeper_init(&instance->manager);
         ret = usb_endpoint_manager_init(&instance->ep_manager,
@@ -117 +118 @@
             str_error(ret));
 
-        hc_gain_control(instance);
         ret = hc_init_memory(instance);
         CHECK_RET_RETURN(ret, "Failed to create OHCI memory structures: %s.\n",
             str_error(ret));
-        hc_init_hw(instance);
+#undef CHECK_RET_RETURN
+
+
+//      hc_init_hw(instance);
+        hc_gain_control(instance);
         fibril_mutex_initialize(&instance->guard);
 
@@ -132 +136 @@
         }
 
-        list_initialize(&instance->pending_batches);
-#undef CHECK_RET_RETURN
         return EOK;
 }
@@ -287 +289 @@
 {
         assert(instance);
-        usb_log_debug("OHCI interrupt: %x.\n", status);
+        usb_log_debug("OHCI(%p) interrupt: %x.\n", instance, status);
         if ((status & ~I_SF) == 0) /* ignore sof status */
                 return;
@@ -339 +341 @@
             (uint32_t*)((char*)instance->registers + 0x100);
         usb_log_debug("OHCI legacy register %p: %x.\n",
-                ohci_emulation_reg, *ohci_emulation_reg);
-        *ohci_emulation_reg &= ~0x1;
+            ohci_emulation_reg, *ohci_emulation_reg);
+        /* Do not change A20 state */
+        *ohci_emulation_reg &= 0x100;
+        usb_log_debug("OHCI legacy register %p: %x.\n",
+            ohci_emulation_reg, *ohci_emulation_reg);
 
         /* Interrupt routing enabled => smm driver is active */
@@ -350 +355 @@
                 }
                 usb_log_info("SMM driver: Ownership taken.\n");
+                instance->registers->control &= (C_HCFS_RESET << C_HCFS_SHIFT);
+                async_usleep(50000);
                 return;
         }
@@ -375 +382 @@
 }
 /*----------------------------------------------------------------------------*/
-void hc_init_hw(hc_t *instance)
+void hc_start_hw(hc_t *instance)
 {
         /* OHCI guide page 42 */
@@ -474 +481 @@
 {
         assert(instance);
+
+        bzero(&instance->rh, sizeof(instance->rh));
         /* Init queues */
         hc_init_transfer_lists(instance);