diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-08-29 15:59:42 -0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-08-29 15:59:42 -0400 |
commit | 70d374ea9907036e15574a5ce89219edd5baee10 (patch) | |
tree | b858bb4a841eb91b1d91b41c33698d05fa7bfb37 /drivers/net/phy/marvell.c | |
parent | aa7e16d6b88b3b38db0d2ee49ed5e44e7b2045ec (diff) | |
parent | bf4e70e54cf31dcca48d279c7f7e71328eebe749 (diff) |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'drivers/net/phy/marvell.c')
-rw-r--r-- | drivers/net/phy/marvell.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c new file mode 100644 index 000000000000..4a72b025006b --- /dev/null +++ b/drivers/net/phy/marvell.c | |||
@@ -0,0 +1,140 @@ | |||
1 | /* | ||
2 | * drivers/net/phy/marvell.c | ||
3 | * | ||
4 | * Driver for Marvell PHYs | ||
5 | * | ||
6 | * Author: Andy Fleming | ||
7 | * | ||
8 | * Copyright (c) 2004 Freescale Semiconductor, Inc. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify it | ||
11 | * under the terms of the GNU General Public License as published by the | ||
12 | * Free Software Foundation; either version 2 of the License, or (at your | ||
13 | * option) any later version. | ||
14 | * | ||
15 | */ | ||
16 | #include <linux/config.h> | ||
17 | #include <linux/kernel.h> | ||
18 | #include <linux/sched.h> | ||
19 | #include <linux/string.h> | ||
20 | #include <linux/errno.h> | ||
21 | #include <linux/unistd.h> | ||
22 | #include <linux/slab.h> | ||
23 | #include <linux/interrupt.h> | ||
24 | #include <linux/init.h> | ||
25 | #include <linux/delay.h> | ||
26 | #include <linux/netdevice.h> | ||
27 | #include <linux/etherdevice.h> | ||
28 | #include <linux/skbuff.h> | ||
29 | #include <linux/spinlock.h> | ||
30 | #include <linux/mm.h> | ||
31 | #include <linux/module.h> | ||
32 | #include <linux/version.h> | ||
33 | #include <linux/mii.h> | ||
34 | #include <linux/ethtool.h> | ||
35 | #include <linux/phy.h> | ||
36 | |||
37 | #include <asm/io.h> | ||
38 | #include <asm/irq.h> | ||
39 | #include <asm/uaccess.h> | ||
40 | |||
41 | #define MII_M1011_IEVENT 0x13 | ||
42 | #define MII_M1011_IEVENT_CLEAR 0x0000 | ||
43 | |||
44 | #define MII_M1011_IMASK 0x12 | ||
45 | #define MII_M1011_IMASK_INIT 0x6400 | ||
46 | #define MII_M1011_IMASK_CLEAR 0x0000 | ||
47 | |||
48 | MODULE_DESCRIPTION("Marvell PHY driver"); | ||
49 | MODULE_AUTHOR("Andy Fleming"); | ||
50 | MODULE_LICENSE("GPL"); | ||
51 | |||
52 | static int marvell_ack_interrupt(struct phy_device *phydev) | ||
53 | { | ||
54 | int err; | ||
55 | |||
56 | /* Clear the interrupts by reading the reg */ | ||
57 | err = phy_read(phydev, MII_M1011_IEVENT); | ||
58 | |||
59 | if (err < 0) | ||
60 | return err; | ||
61 | |||
62 | return 0; | ||
63 | } | ||
64 | |||
65 | static int marvell_config_intr(struct phy_device *phydev) | ||
66 | { | ||
67 | int err; | ||
68 | |||
69 | if(phydev->interrupts == PHY_INTERRUPT_ENABLED) | ||
70 | err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT); | ||
71 | else | ||
72 | err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR); | ||
73 | |||
74 | return err; | ||
75 | } | ||
76 | |||
77 | static int marvell_config_aneg(struct phy_device *phydev) | ||
78 | { | ||
79 | int err; | ||
80 | |||
81 | /* The Marvell PHY has an errata which requires | ||
82 | * that certain registers get written in order | ||
83 | * to restart autonegotiation */ | ||
84 | err = phy_write(phydev, MII_BMCR, BMCR_RESET); | ||
85 | |||
86 | if (err < 0) | ||
87 | return err; | ||
88 | |||
89 | err = phy_write(phydev, 0x1d, 0x1f); | ||
90 | if (err < 0) | ||
91 | return err; | ||
92 | |||
93 | err = phy_write(phydev, 0x1e, 0x200c); | ||
94 | if (err < 0) | ||
95 | return err; | ||
96 | |||
97 | err = phy_write(phydev, 0x1d, 0x5); | ||
98 | if (err < 0) | ||
99 | return err; | ||
100 | |||
101 | err = phy_write(phydev, 0x1e, 0); | ||
102 | if (err < 0) | ||
103 | return err; | ||
104 | |||
105 | err = phy_write(phydev, 0x1e, 0x100); | ||
106 | if (err < 0) | ||
107 | return err; | ||
108 | |||
109 | |||
110 | err = genphy_config_aneg(phydev); | ||
111 | |||
112 | return err; | ||
113 | } | ||
114 | |||
115 | |||
116 | static struct phy_driver m88e1101_driver = { | ||
117 | .phy_id = 0x01410c00, | ||
118 | .phy_id_mask = 0xffffff00, | ||
119 | .name = "Marvell 88E1101", | ||
120 | .features = PHY_GBIT_FEATURES, | ||
121 | .flags = PHY_HAS_INTERRUPT, | ||
122 | .config_aneg = &marvell_config_aneg, | ||
123 | .read_status = &genphy_read_status, | ||
124 | .ack_interrupt = &marvell_ack_interrupt, | ||
125 | .config_intr = &marvell_config_intr, | ||
126 | .driver = { .owner = THIS_MODULE,}, | ||
127 | }; | ||
128 | |||
129 | static int __init marvell_init(void) | ||
130 | { | ||
131 | return phy_driver_register(&m88e1101_driver); | ||
132 | } | ||
133 | |||
134 | static void __exit marvell_exit(void) | ||
135 | { | ||
136 | phy_driver_unregister(&m88e1101_driver); | ||
137 | } | ||
138 | |||
139 | module_init(marvell_init); | ||
140 | module_exit(marvell_exit); | ||