if (ret)
return ret;
+ /* The gianfar device will try to use the same ID created below to find
+ * this bus, to coordinate register access (since they share). */
mdio_dev = platform_device_register_simple("fsl-gianfar_mdio",
res.start&0xfffff, &res, 1);
if (IS_ERR(mdio_dev))
of_node_put(mdio);
}
+ /* Get MDIO bus controlled by this eTSEC, if any. Normally only
+ * eTSEC 1 will control an MDIO bus, not necessarily the same
+ * bus that its PHY is on ('mdio' above), so we can't just use
+ * that. What we do is look for a gianfar mdio device that has
+ * overlapping registers with this device. That's really the
+ * whole point, to find the device sharing our registers to
+ * coordinate access with it.
+ */
+ for_each_compatible_node(mdio, NULL, "fsl,gianfar-mdio") {
+ if (of_address_to_resource(mdio, 0, &res))
+ continue;
+
+ if (res.start >= r[0].start && res.end <= r[0].end) {
+ /* Get the ID the mdio bus platform device was
+ * registered with. gfar_data.bus_id is
+ * different because it's for finding a PHY,
+ * while this is for finding a MII bus.
+ */
+ gfar_data.mdio_bus = res.start&0xfffff;
+ of_node_put(mdio);
+ break;
+ }
+ }
+
ret =
platform_device_add_data(gfar_dev, &gfar_data,
sizeof(struct
#endif
#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
-struct platform_diu_data_ops diu_ops = {
- .diu_size = 1280 * 1024 * 4, /* default one 1280x1024 buffer */
-};
+struct platform_diu_data_ops diu_ops;
EXPORT_SYMBOL(diu_ops);
-
-int __init preallocate_diu_videomemory(void)
-{
- pr_debug("diu_size=%lu\n", diu_ops.diu_size);
-
- diu_ops.diu_mem = __alloc_bootmem(diu_ops.diu_size, 8, 0);
- if (!diu_ops.diu_mem) {
- printk(KERN_ERR "fsl-diu: cannot allocate %lu bytes\n",
- diu_ops.diu_size);
- return -ENOMEM;
- }
-
- pr_debug("diu_mem=%p\n", diu_ops.diu_mem);
-
- rh_init(&diu_ops.diu_rh_info, 4096, ARRAY_SIZE(diu_ops.diu_rh_block),
- diu_ops.diu_rh_block);
- return rh_attach_region(&diu_ops.diu_rh_info,
- (unsigned long) diu_ops.diu_mem,
- diu_ops.diu_size);
-}
-
-static int __init early_parse_diufb(char *p)
-{
- if (!p)
- return 1;
-
- diu_ops.diu_size = _ALIGN_UP(memparse(p, &p), 8);
-
- pr_debug("diu_size=%lu\n", diu_ops.diu_size);
-
- return 0;
-}
-early_param("diufb", early_parse_diufb);
-
#endif