2 * drivers/net/ibm_emac/ibm_emac_rgmii.c
4 * Driver for PowerPC 4xx on-chip ethernet controller, RGMII bridge support.
6 * Based on ocp_zmii.h/ibm_emac_zmii.h
7 * Armin Kuster akuster@mvista.com
9 * Copyright 2004 MontaVista Software, Inc.
10 * Matt Porter <mporter@kernel.crashing.org>
12 * Copyright (c) 2004, 2005 Zultys Technologies.
13 * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
15 * This program is free software; you can redistribute it and/or modify it
16 * under the terms of the GNU General Public License as published by the
17 * Free Software Foundation; either version 2 of the License, or (at your
18 * option) any later version.
21 #ifndef _IBM_EMAC_RGMII_H_
22 #define _IBM_EMAC_RGMII_H_
24 #include <linux/config.h>
28 u32 fer; /* Function enable register */
29 u32 ssr; /* Speed select register */
33 struct ibm_ocp_rgmii {
34 struct rgmii_regs __iomem *base;
35 int users; /* number of EMACs using this RGMII bridge */
38 #ifdef CONFIG_IBM_EMAC_RGMII
39 int rgmii_attach(void *emac) __init;
41 void __rgmii_fini(struct ocp_device *ocpdev, int input) __exit;
42 static inline void rgmii_fini(struct ocp_device *ocpdev, int input)
45 __rgmii_fini(ocpdev, input);
48 void rgmii_set_speed(struct ocp_device *ocpdev, int input, int speed);
50 int __rgmii_get_regs_len(struct ocp_device *ocpdev);
51 static inline int rgmii_get_regs_len(struct ocp_device *ocpdev)
53 return ocpdev ? __rgmii_get_regs_len(ocpdev) : 0;
56 void *rgmii_dump_regs(struct ocp_device *ocpdev, void *buf);
58 # define rgmii_attach(x) 0
59 # define rgmii_fini(x,y) ((void)0)
60 # define rgmii_set_speed(x,y,z) ((void)0)
61 # define rgmii_get_regs_len(x) 0
62 # define rgmii_dump_regs(x,buf) (buf)
63 #endif /* !CONFIG_IBM_EMAC_RGMII */
65 #endif /* _IBM_EMAC_RGMII_H_ */