davinci: EMAC platform support

Add SoC and platform-specific data and init for DaVinci EMAC network
driver.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index d428ef1..0419d57 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -444,6 +444,25 @@
 };
 
 /*----------------------------------------------------------------------*/
+#if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE)
+
+void dm644x_init_emac(struct emac_platform_data *pdata)
+{
+	pdata->ctrl_reg_offset		= DM644X_EMAC_CNTRL_OFFSET;
+	pdata->ctrl_mod_reg_offset	= DM644X_EMAC_CNTRL_MOD_OFFSET;
+	pdata->ctrl_ram_offset		= DM644X_EMAC_CNTRL_RAM_OFFSET;
+	pdata->mdio_reg_offset		= DM644X_EMAC_MDIO_OFFSET;
+	pdata->ctrl_ram_size		= DM644X_EMAC_CNTRL_RAM_SIZE;
+	pdata->version			= EMAC_VERSION_1;
+	dm644x_emac_device.dev.platform_data = pdata;
+	platform_device_register(&dm644x_emac_device);
+}
+#else
+
+void dm644x_init_emac(struct emac_platform_data *unused) {}
+
+#endif
+
 void __init dm644x_init(void)
 {
 	davinci_clk_init(dm644x_clks);