Changeset c47f1b6 in mainline

Timestamp:

2012-03-31T11:37:04Z (12 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

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

Children:

557b7b3

Parents:

9d5003e0

Message:

RTC: read the I/O address assigned to the device.

File:

• uspace/drv/time/cmos-rtc/cmos-rtc.c (modified) (5 diffs)

uspace/drv/time/cmos-rtc/cmos-rtc.c

@@ -55 +55 @@
         /** The fibril mutex for synchronizing the access to the device */
         fibril_mutex_t mutex;
+        /** The base I/O address of the device registers */
+        uint32_t io_addr;
 } rtc_t;
 
@@ -76 +78 @@
 static driver_ops_t rtc_ops = {
         .dev_add = rtc_dev_add,
-        .dev_remove = NULL,
+        .dev_remove = NULL, /* XXX */
 };
 
@@ -97 +99 @@
         ddf_log_init(NAME, LVL_ERROR);
 
-        rtc_dev_ops.open = NULL;
-        rtc_dev_ops.close = NULL;
+        rtc_dev_ops.open = NULL; /* XXX */
+        rtc_dev_ops.close = NULL; /* XXX */
 
         rtc_dev_ops.interfaces[CLOCK_DEV_IFACE] = &rtc_clock_dev_ops;
-        rtc_dev_ops.default_handler = NULL;
+        rtc_dev_ops.default_handler = NULL; /* XXX */
 }
 
@@ -113 +115 @@
 rtc_dev_initialize(rtc_t *rtc)
 {
+        /* XXX Do cleanup in case of failure */
         int rc;
+        size_t i;
+        hw_resource_t *res;
+        bool ioport = false;
 
         ddf_msg(LVL_DEBUG, "rtc_dev_initialize %s", rtc->dev->name);
@@ -138 +144 @@
         }
 
+        for (i = 0; i < hw_resources.count; ++i) {
+                res = &hw_resources.resources[i];
+
+                if (res->type == IO_RANGE) {
+                        rtc->io_addr = res->res.io_range.address;
+                        ioport = true;
+                        ddf_msg(LVL_NOTE, "Device %s was assigned I/O address \
+                            0x%x", rtc->dev->name, rtc->io_addr);
+                }
+        }
+
+        if (!ioport) {
+                /* No I/O address assigned to this device */
+                ddf_msg(LVL_ERROR, "Missing HW resource for device %s",
+                    rtc->dev->name);
+                return ENOENT;
+        }
+
+        hw_res_clean_resource_list(&hw_resources);
+
         return EOK;
 }