ixp4xx: add linux 4.1 support
[openwrt/openwrt.git] / target / linux / ixp4xx / patches-4.1 / 207-npe_driver_multiphy_support.patch
1 TODO: take care of additional PHYs through the PHY abstraction layer
2
3 --- a/arch/arm/mach-ixp4xx/include/mach/platform.h
4 +++ b/arch/arm/mach-ixp4xx/include/mach/platform.h
5 @@ -74,7 +74,7 @@ extern unsigned long ixp4xx_exp_bus_size
6 /*
7 * Clock Speed Definitions.
8 */
9 -#define IXP4XX_PERIPHERAL_BUS_CLOCK (66) /* 66Mhzi APB BUS */
10 +#define IXP4XX_PERIPHERAL_BUS_CLOCK (66) /* 66Mhzi APB BUS */
11 #define IXP4XX_UART_XTAL 14745600
12
13 /*
14 @@ -95,12 +95,23 @@ struct ixp4xx_pata_data {
15 #define IXP4XX_ETH_NPEB 0x10
16 #define IXP4XX_ETH_NPEC 0x20
17
18 +#define IXP4XX_ETH_PHY_MAX_ADDR 32
19 +
20 /* Information about built-in Ethernet MAC interfaces */
21 struct eth_plat_info {
22 u8 phy; /* MII PHY ID, 0 - 31 */
23 u8 rxq; /* configurable, currently 0 - 31 only */
24 u8 txreadyq;
25 u8 hwaddr[6];
26 +
27 + u32 phy_mask;
28 +#if 0
29 + int speed;
30 + int duplex;
31 +#else
32 + int speed_10;
33 + int half_duplex;
34 +#endif
35 };
36
37 /* Information about built-in HSS (synchronous serial) interfaces */
38 --- a/drivers/net/ethernet/xscale/ixp4xx_eth.c
39 +++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c
40 @@ -610,6 +610,37 @@ static int ixp4xx_phy_connect(struct net
41 struct eth_plat_info *plat = port->plat;
42 char phy_id[MII_BUS_ID_SIZE + 3];
43
44 + if (plat->phy == IXP4XX_ETH_PHY_MAX_ADDR) {
45 +#if 0
46 + switch (plat->speed) {
47 + case SPEED_10:
48 + case SPEED_100:
49 + break;
50 + default:
51 + printk(KERN_ERR "%s: invalid speed (%d)\n",
52 + dev->name, plat->speed);
53 + return -EINVAL;
54 + }
55 +
56 + switch (plat->duplex) {
57 + case DUPLEX_HALF:
58 + case DUPLEX_FULL:
59 + break;
60 + default:
61 + printk(KERN_ERR "%s: invalid duplex mode (%d)\n",
62 + dev->name, plat->duplex);
63 + return -EINVAL;
64 + }
65 + port->speed = plat->speed;
66 + port->duplex = plat->duplex;
67 +#else
68 + port->speed = plat->speed_10 ? SPEED_10 : SPEED_100;
69 + port->duplex = plat->half_duplex ? DUPLEX_HALF : DUPLEX_FULL;
70 +#endif
71 +
72 + return 0;
73 + }
74 +
75 snprintf(phy_id, MII_BUS_ID_SIZE + 3, PHY_ID_FMT,
76 mdio_bus->id, plat->phy);
77 port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link,
78 @@ -632,21 +663,32 @@ static void ixp4xx_phy_disconnect(struct
79 {
80 struct port *port = netdev_priv(dev);
81
82 - phy_disconnect(port->phydev);
83 + if (port->phydev)
84 + phy_disconnect(port->phydev);
85 }
86
87 static void ixp4xx_phy_start(struct net_device *dev)
88 {
89 struct port *port = netdev_priv(dev);
90
91 - phy_start(port->phydev);
92 + if (port->phydev) {
93 + phy_start(port->phydev);
94 + } else {
95 + port->link = 1;
96 + ixp4xx_update_link(dev);
97 + }
98 }
99
100 static void ixp4xx_phy_stop(struct net_device *dev)
101 {
102 struct port *port = netdev_priv(dev);
103
104 - phy_stop(port->phydev);
105 + if (port->phydev) {
106 + phy_stop(port->phydev);
107 + } else {
108 + port->link = 0;
109 + ixp4xx_update_link(dev);
110 + }
111 }
112
113 static inline void debug_pkt(struct net_device *dev, const char *func,
114 @@ -1048,6 +1090,9 @@ static int eth_ioctl(struct net_device *
115 return hwtstamp_get(dev, req);
116 }
117
118 + if (!port->phydev)
119 + return -EOPNOTSUPP;
120 +
121 return phy_mii_ioctl(port->phydev, req, cmd);
122 }
123
124 @@ -1068,18 +1113,30 @@ static void ixp4xx_get_drvinfo(struct ne
125 static int ixp4xx_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
126 {
127 struct port *port = netdev_priv(dev);
128 +
129 + if (!port->phydev)
130 + return -EOPNOTSUPP;
131 +
132 return phy_ethtool_gset(port->phydev, cmd);
133 }
134
135 static int ixp4xx_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
136 {
137 struct port *port = netdev_priv(dev);
138 +
139 + if (!port->phydev)
140 + return -EOPNOTSUPP;
141 +
142 return phy_ethtool_sset(port->phydev, cmd);
143 }
144
145 static int ixp4xx_nway_reset(struct net_device *dev)
146 {
147 struct port *port = netdev_priv(dev);
148 +
149 + if (!port->phydev)
150 + return -EOPNOTSUPP;
151 +
152 return phy_start_aneg(port->phydev);
153 }
154