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-rw-r--r--arch/mips/cavium-octeon/octeon-platform.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index be711dd2d918..cfdb4c2ac5c3 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -159,6 +159,94 @@ out:
}
device_initcall(octeon_rng_device_init);
+/* Octeon SMI/MDIO interface. */
+static int __init octeon_mdiobus_device_init(void)
+{
+ struct platform_device *pd;
+ int ret = 0;
+
+ if (octeon_is_simulation())
+ return 0; /* No mdio in the simulator. */
+
+ /* The bus number is the platform_device id. */
+ pd = platform_device_alloc("mdio-octeon", 0);
+ if (!pd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = platform_device_add(pd);
+ if (ret)
+ goto fail;
+
+ return ret;
+fail:
+ platform_device_put(pd);
+
+out:
+ return ret;
+
+}
+device_initcall(octeon_mdiobus_device_init);
+
+/* Octeon mgmt port Ethernet interface. */
+static int __init octeon_mgmt_device_init(void)
+{
+ struct platform_device *pd;
+ int ret = 0;
+ int port, num_ports;
+
+ struct resource mgmt_port_resource = {
+ .flags = IORESOURCE_IRQ,
+ .start = -1,
+ .end = -1
+ };
+
+ if (!OCTEON_IS_MODEL(OCTEON_CN56XX) && !OCTEON_IS_MODEL(OCTEON_CN52XX))
+ return 0;
+
+ if (OCTEON_IS_MODEL(OCTEON_CN56XX))
+ num_ports = 1;
+ else
+ num_ports = 2;
+
+ for (port = 0; port < num_ports; port++) {
+ pd = platform_device_alloc("octeon_mgmt", port);
+ if (!pd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ switch (port) {
+ case 0:
+ mgmt_port_resource.start = OCTEON_IRQ_MII0;
+ break;
+ case 1:
+ mgmt_port_resource.start = OCTEON_IRQ_MII1;
+ break;
+ default:
+ BUG();
+ }
+ mgmt_port_resource.end = mgmt_port_resource.start;
+
+ ret = platform_device_add_resources(pd, &mgmt_port_resource, 1);
+
+ if (ret)
+ goto fail;
+
+ ret = platform_device_add(pd);
+ if (ret)
+ goto fail;
+ }
+ return ret;
+fail:
+ platform_device_put(pd);
+
+out:
+ return ret;
+
+}
+device_initcall(octeon_mgmt_device_init);
+
MODULE_AUTHOR("David Daney <ddaney@caviumnetworks.com>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Platform driver for Octeon SOC");