19aa32835SJeff Kirsher /* 23396c782SPaul Gortmaker * drivers/net/ethernet/ibm/emac/rgmii.h 39aa32835SJeff Kirsher * 49aa32835SJeff Kirsher * Driver for PowerPC 4xx on-chip ethernet controller, RGMII bridge support. 59aa32835SJeff Kirsher * 69aa32835SJeff Kirsher * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. 79aa32835SJeff Kirsher * <benh@kernel.crashing.org> 89aa32835SJeff Kirsher * 99aa32835SJeff Kirsher * Based on the arch/ppc version of the driver: 109aa32835SJeff Kirsher * 119aa32835SJeff Kirsher * Based on ocp_zmii.h/ibm_emac_zmii.h 129aa32835SJeff Kirsher * Armin Kuster akuster@mvista.com 139aa32835SJeff Kirsher * 149aa32835SJeff Kirsher * Copyright 2004 MontaVista Software, Inc. 159aa32835SJeff Kirsher * Matt Porter <mporter@kernel.crashing.org> 169aa32835SJeff Kirsher * 179aa32835SJeff Kirsher * Copyright (c) 2004, 2005 Zultys Technologies. 189aa32835SJeff Kirsher * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> 199aa32835SJeff Kirsher * 209aa32835SJeff Kirsher * This program is free software; you can redistribute it and/or modify it 219aa32835SJeff Kirsher * under the terms of the GNU General Public License as published by the 229aa32835SJeff Kirsher * Free Software Foundation; either version 2 of the License, or (at your 239aa32835SJeff Kirsher * option) any later version. 249aa32835SJeff Kirsher */ 259aa32835SJeff Kirsher 269aa32835SJeff Kirsher #ifndef __IBM_NEWEMAC_RGMII_H 279aa32835SJeff Kirsher #define __IBM_NEWEMAC_RGMII_H 289aa32835SJeff Kirsher 299aa32835SJeff Kirsher /* RGMII bridge type */ 309aa32835SJeff Kirsher #define RGMII_STANDARD 0 319aa32835SJeff Kirsher #define RGMII_AXON 1 329aa32835SJeff Kirsher 339aa32835SJeff Kirsher /* RGMII bridge */ 349aa32835SJeff Kirsher struct rgmii_regs { 359aa32835SJeff Kirsher u32 fer; /* Function enable register */ 369aa32835SJeff Kirsher u32 ssr; /* Speed select register */ 379aa32835SJeff Kirsher }; 389aa32835SJeff Kirsher 399aa32835SJeff Kirsher /* RGMII device */ 409aa32835SJeff Kirsher struct rgmii_instance { 419aa32835SJeff Kirsher struct rgmii_regs __iomem *base; 429aa32835SJeff Kirsher 439aa32835SJeff Kirsher /* RGMII bridge flags */ 449aa32835SJeff Kirsher int flags; 459aa32835SJeff Kirsher #define EMAC_RGMII_FLAG_HAS_MDIO 0x00000001 469aa32835SJeff Kirsher 479aa32835SJeff Kirsher /* Only one EMAC whacks us at a time */ 489aa32835SJeff Kirsher struct mutex lock; 499aa32835SJeff Kirsher 509aa32835SJeff Kirsher /* number of EMACs using this RGMII bridge */ 519aa32835SJeff Kirsher int users; 529aa32835SJeff Kirsher 539aa32835SJeff Kirsher /* OF device instance */ 549aa32835SJeff Kirsher struct platform_device *ofdev; 559aa32835SJeff Kirsher }; 569aa32835SJeff Kirsher 573b3bceefSTony Breeds #ifdef CONFIG_IBM_EMAC_RGMII 589aa32835SJeff Kirsher 599aa32835SJeff Kirsher extern int rgmii_init(void); 609aa32835SJeff Kirsher extern void rgmii_exit(void); 619aa32835SJeff Kirsher extern int rgmii_attach(struct platform_device *ofdev, int input, int mode); 629aa32835SJeff Kirsher extern void rgmii_detach(struct platform_device *ofdev, int input); 639aa32835SJeff Kirsher extern void rgmii_get_mdio(struct platform_device *ofdev, int input); 649aa32835SJeff Kirsher extern void rgmii_put_mdio(struct platform_device *ofdev, int input); 659aa32835SJeff Kirsher extern void rgmii_set_speed(struct platform_device *ofdev, int input, int speed); 669aa32835SJeff Kirsher extern int rgmii_get_regs_len(struct platform_device *ofdev); 679aa32835SJeff Kirsher extern void *rgmii_dump_regs(struct platform_device *ofdev, void *buf); 689aa32835SJeff Kirsher 699aa32835SJeff Kirsher #else 709aa32835SJeff Kirsher 719aa32835SJeff Kirsher # define rgmii_init() 0 729aa32835SJeff Kirsher # define rgmii_exit() do { } while(0) 739aa32835SJeff Kirsher # define rgmii_attach(x,y,z) (-ENXIO) 749aa32835SJeff Kirsher # define rgmii_detach(x,y) do { } while(0) 759aa32835SJeff Kirsher # define rgmii_get_mdio(o,i) do { } while (0) 769aa32835SJeff Kirsher # define rgmii_put_mdio(o,i) do { } while (0) 779aa32835SJeff Kirsher # define rgmii_set_speed(x,y,z) do { } while(0) 789aa32835SJeff Kirsher # define rgmii_get_regs_len(x) 0 799aa32835SJeff Kirsher # define rgmii_dump_regs(x,buf) (buf) 803b3bceefSTony Breeds #endif /* !CONFIG_IBM_EMAC_RGMII */ 819aa32835SJeff Kirsher 829aa32835SJeff Kirsher #endif /* __IBM_NEWEMAC_RGMII_H */ 83