arch_initcall(of_add_fixed_phys);
#endif /* CONFIG_FIXED_PHY */
-static int __init gfar_mdio_of_init(void)
+static int gfar_mdio_of_init_one(struct device_node *np)
{
- struct device_node *np = NULL;
+ int k;
+ struct device_node *child = NULL;
+ struct gianfar_mdio_data mdio_data;
struct platform_device *mdio_dev;
struct resource res;
int ret;
- np = of_find_compatible_node(np, NULL, "fsl,gianfar-mdio");
-
- /* try the deprecated version */
- if (!np)
- np = of_find_compatible_node(np, "mdio", "gianfar");
-
- if (np) {
- int k;
- struct device_node *child = NULL;
- struct gianfar_mdio_data mdio_data;
+ memset(&res, 0, sizeof(res));
+ memset(&mdio_data, 0, sizeof(mdio_data));
- memset(&res, 0, sizeof(res));
- memset(&mdio_data, 0, sizeof(mdio_data));
+ ret = of_address_to_resource(np, 0, &res);
+ 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))
+ return PTR_ERR(mdio_dev);
+
+ for (k = 0; k < 32; k++)
+ mdio_data.irq[k] = PHY_POLL;
+
+ while ((child = of_get_next_child(np, child)) != NULL) {
+ int irq = irq_of_parse_and_map(child, 0);
+ if (irq != NO_IRQ) {
+ const u32 *id = of_get_property(child, "reg", NULL);
+ mdio_data.irq[*id] = irq;
+ }
+ }
- ret = of_address_to_resource(np, 0, &res);
- if (ret)
- goto err;
+ ret = platform_device_add_data(mdio_dev, &mdio_data,
+ sizeof(struct gianfar_mdio_data));
+ if (ret)
+ platform_device_unregister(mdio_dev);
- mdio_dev =
- platform_device_register_simple("fsl-gianfar_mdio",
- res.start, &res, 1);
- if (IS_ERR(mdio_dev)) {
- ret = PTR_ERR(mdio_dev);
- goto err;
- }
+ return ret;
+}
- for (k = 0; k < 32; k++)
- mdio_data.irq[k] = PHY_POLL;
+static int __init gfar_mdio_of_init(void)
+{
+ struct device_node *np = NULL;
- while ((child = of_get_next_child(np, child)) != NULL) {
- int irq = irq_of_parse_and_map(child, 0);
- if (irq != NO_IRQ) {
- const u32 *id = of_get_property(child,
- "reg", NULL);
- mdio_data.irq[*id] = irq;
- }
- }
+ for_each_compatible_node(np, NULL, "fsl,gianfar-mdio")
+ gfar_mdio_of_init_one(np);
- ret =
- platform_device_add_data(mdio_dev, &mdio_data,
- sizeof(struct gianfar_mdio_data));
- if (ret)
- goto unreg;
- }
+ /* try the deprecated version */
+ for_each_compatible_node(np, "mdio", "gianfar");
+ gfar_mdio_of_init_one(np);
- of_node_put(np);
return 0;
-
-unreg:
- platform_device_unregister(mdio_dev);
-err:
- of_node_put(np);
- return ret;
}
arch_initcall(gfar_mdio_of_init);
const phandle *ph;
int n_res = 2;
+ if (!of_device_is_available(np))
+ continue;
+
memset(r, 0, sizeof(r));
memset(&gfar_data, 0, sizeof(gfar_data));
else
gfar_data.interface = PHY_INTERFACE_MODE_MII;
+ if (of_get_property(np, "fsl,magic-packet", NULL))
+ gfar_data.device_flags |= FSL_GIANFAR_DEV_HAS_MAGIC_PACKET;
+
ph = of_get_property(np, "phy-handle", NULL);
if (ph == NULL) {
u32 *fixed_link;
gfar_data.phy_id = *id;
snprintf(gfar_data.bus_id, MII_BUS_ID_SIZE, "%llx",
- (unsigned long long)res.start);
+ (unsigned long long)res.start&0xfffff);
of_node_put(phy);
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
arch_initcall(gfar_of_init);
-
-#ifdef CONFIG_PPC_83xx
-static int __init mpc83xx_wdt_init(void)
-{
- struct resource r;
- struct device_node *np;
- struct platform_device *dev;
- u32 freq = fsl_get_sys_freq();
- int ret;
-
- np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
-
- if (!np) {
- ret = -ENODEV;
- goto nodev;
- }
-
- memset(&r, 0, sizeof(r));
-
- ret = of_address_to_resource(np, 0, &r);
- if (ret)
- goto err;
-
- dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
- if (IS_ERR(dev)) {
- ret = PTR_ERR(dev);
- goto err;
- }
-
- ret = platform_device_add_data(dev, &freq, sizeof(freq));
- if (ret)
- goto unreg;
-
- of_node_put(np);
- return 0;
-
-unreg:
- platform_device_unregister(dev);
-err:
- of_node_put(np);
-nodev:
- return ret;
-}
-
-arch_initcall(mpc83xx_wdt_init);
-#endif
-
static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
{
if (!phy_type)
#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