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-rw-r--r--drivers/net/Kconfig6
-rw-r--r--drivers/net/phy/Kconfig5
-rw-r--r--drivers/net/phy/Makefile1
-rw-r--r--drivers/net/phy/vitesse.c112
4 files changed, 121 insertions, 3 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index bdaaad8f2123..c1c275833fcb 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2179,11 +2179,11 @@ config SPIDER_NET
2179 2179
2180config GIANFAR 2180config GIANFAR
2181 tristate "Gianfar Ethernet" 2181 tristate "Gianfar Ethernet"
2182 depends on 85xx || 83xx 2182 depends on 85xx || 83xx || PPC_86xx
2183 select PHYLIB 2183 select PHYLIB
2184 help 2184 help
2185 This driver supports the Gigabit TSEC on the MPC85xx 2185 This driver supports the Gigabit TSEC on the MPC83xx, MPC85xx,
2186 family of chips, and the FEC on the 8540 2186 and MPC86xx family of chips, and the FEC on the 8540.
2187 2187
2188config GFAR_NAPI 2188config GFAR_NAPI
2189 bool "NAPI Support" 2189 bool "NAPI Support"
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index fa39b944bc46..76e51b1baf11 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -44,6 +44,11 @@ config CICADA_PHY
44 depends on PHYLIB 44 depends on PHYLIB
45 ---help--- 45 ---help---
46 Currently supports the cis8204 46 Currently supports the cis8204
47config VITESSE_PHY
48 tristate "Drivers for the Vitesse PHYs"
49 depends on PHYLIB
50 ---help---
51 Currently supports the vsc8244
47 52
48endmenu 53endmenu
49 54
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index e4116a5fbb4c..a8d066eab6af 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -8,3 +8,4 @@ obj-$(CONFIG_DAVICOM_PHY) += davicom.o
8obj-$(CONFIG_CICADA_PHY) += cicada.o 8obj-$(CONFIG_CICADA_PHY) += cicada.o
9obj-$(CONFIG_LXT_PHY) += lxt.o 9obj-$(CONFIG_LXT_PHY) += lxt.o
10obj-$(CONFIG_QSEMI_PHY) += qsemi.o 10obj-$(CONFIG_QSEMI_PHY) += qsemi.o
11obj-$(CONFIG_VITESSE_PHY) += vitesse.o
diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c
new file mode 100644
index 000000000000..ffd215d9a9be
--- /dev/null
+++ b/drivers/net/phy/vitesse.c
@@ -0,0 +1,112 @@
1/*
2 * Driver for Vitesse PHYs
3 *
4 * Author: Kriston Carson
5 *
6 * Copyright (c) 2005 Freescale Semiconductor, Inc.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 */
14
15#include <linux/config.h>
16#include <linux/kernel.h>
17#include <linux/module.h>
18#include <linux/mii.h>
19#include <linux/ethtool.h>
20#include <linux/phy.h>
21
22/* Vitesse Extended Control Register 1 */
23#define MII_VSC8244_EXT_CON1 0x17
24#define MII_VSC8244_EXTCON1_INIT 0x0000
25
26/* Vitesse Interrupt Mask Register */
27#define MII_VSC8244_IMASK 0x19
28#define MII_VSC8244_IMASK_IEN 0x8000
29#define MII_VSC8244_IMASK_SPEED 0x4000
30#define MII_VSC8244_IMASK_LINK 0x2000
31#define MII_VSC8244_IMASK_DUPLEX 0x1000
32#define MII_VSC8244_IMASK_MASK 0xf000
33
34/* Vitesse Interrupt Status Register */
35#define MII_VSC8244_ISTAT 0x1a
36#define MII_VSC8244_ISTAT_STATUS 0x8000
37#define MII_VSC8244_ISTAT_SPEED 0x4000
38#define MII_VSC8244_ISTAT_LINK 0x2000
39#define MII_VSC8244_ISTAT_DUPLEX 0x1000
40
41/* Vitesse Auxiliary Control/Status Register */
42#define MII_VSC8244_AUX_CONSTAT 0x1c
43#define MII_VSC8244_AUXCONSTAT_INIT 0x0004
44#define MII_VSC8244_AUXCONSTAT_DUPLEX 0x0020
45#define MII_VSC8244_AUXCONSTAT_SPEED 0x0018
46#define MII_VSC8244_AUXCONSTAT_GBIT 0x0010
47#define MII_VSC8244_AUXCONSTAT_100 0x0008
48
49MODULE_DESCRIPTION("Vitesse PHY driver");
50MODULE_AUTHOR("Kriston Carson");
51MODULE_LICENSE("GPL");
52
53static int vsc824x_config_init(struct phy_device *phydev)
54{
55 int err;
56
57 err = phy_write(phydev, MII_VSC8244_AUX_CONSTAT,
58 MII_VSC8244_AUXCONSTAT_INIT);
59 if (err < 0)
60 return err;
61
62 err = phy_write(phydev, MII_VSC8244_EXT_CON1,
63 MII_VSC8244_EXTCON1_INIT);
64 return err;
65}
66
67static int vsc824x_ack_interrupt(struct phy_device *phydev)
68{
69 int err = phy_read(phydev, MII_VSC8244_ISTAT);
70
71 return (err < 0) ? err : 0;
72}
73
74static int vsc824x_config_intr(struct phy_device *phydev)
75{
76 int err;
77
78 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
79 err = phy_write(phydev, MII_VSC8244_IMASK,
80 MII_VSC8244_IMASK_MASK);
81 else
82 err = phy_write(phydev, MII_VSC8244_IMASK, 0);
83 return err;
84}
85
86/* Vitesse 824x */
87static struct phy_driver vsc8244_driver = {
88 .phy_id = 0x000fc6c2,
89 .name = "Vitesse VSC8244",
90 .phy_id_mask = 0x000fffc0,
91 .features = PHY_GBIT_FEATURES,
92 .flags = PHY_HAS_INTERRUPT,
93 .config_init = &vsc824x_config_init,
94 .config_aneg = &genphy_config_aneg,
95 .read_status = &genphy_read_status,
96 .ack_interrupt = &vsc824x_ack_interrupt,
97 .config_intr = &vsc824x_config_intr,
98 .driver = { .owner = THIS_MODULE,},
99};
100
101static int __init vsc8244_init(void)
102{
103 return phy_driver_register(&vsc8244_driver);
104}
105
106static void __exit vsc8244_exit(void)
107{
108 phy_driver_unregister(&vsc8244_driver);
109}
110
111module_init(vsc8244_init);
112module_exit(vsc8244_exit);