5113f6f70
 김현기
kernel add
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*
* drivers/net/ethernet/ibm/emac/rgmii.h
*
* Driver for PowerPC 4xx on-chip ethernet controller, RGMII bridge support.
*
* Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
*
* Based on the arch/ppc version of the driver:
*
* Based on ocp_zmii.h/ibm_emac_zmii.h
* Armin Kuster akuster@mvista.com
*
* Copyright 2004 MontaVista Software, Inc.
* Matt Porter <mporter@kernel.crashing.org>
*
* Copyright (c) 2004, 2005 Zultys Technologies.
* Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#ifndef __IBM_NEWEMAC_RGMII_H
#define __IBM_NEWEMAC_RGMII_H
/* RGMII bridge type */
#define RGMII_STANDARD 0
#define RGMII_AXON 1
/* RGMII bridge */
struct rgmii_regs {
u32 fer; /* Function enable register */
u32 ssr; /* Speed select register */
};
/* RGMII device */
struct rgmii_instance {
struct rgmii_regs __iomem *base;
/* RGMII bridge flags */
int flags;
#define EMAC_RGMII_FLAG_HAS_MDIO 0x00000001
/* Only one EMAC whacks us at a time */
struct mutex lock;
/* number of EMACs using this RGMII bridge */
int users;
/* OF device instance */
struct platform_device *ofdev;
};
#ifdef CONFIG_IBM_EMAC_RGMII
int rgmii_init(void);
void rgmii_exit(void);
int rgmii_attach(struct platform_device *ofdev, int input, int mode);
void rgmii_detach(struct platform_device *ofdev, int input);
void rgmii_get_mdio(struct platform_device *ofdev, int input);
void rgmii_put_mdio(struct platform_device *ofdev, int input);
void rgmii_set_speed(struct platform_device *ofdev, int input, int speed);
int rgmii_get_regs_len(struct platform_device *ofdev);
void *rgmii_dump_regs(struct platform_device *ofdev, void *buf);
#else
# define rgmii_init() 0
# define rgmii_exit() do { } while(0)
# define rgmii_attach(x,y,z) (-ENXIO)
# define rgmii_detach(x,y) do { } while(0)
# define rgmii_get_mdio(o,i) do { } while (0)
# define rgmii_put_mdio(o,i) do { } while (0)
# define rgmii_set_speed(x,y,z) do { } while(0)
# define rgmii_get_regs_len(x) 0
# define rgmii_dump_regs(x,buf) (buf)
#endif /* !CONFIG_IBM_EMAC_RGMII */
#endif /* __IBM_NEWEMAC_RGMII_H */
|