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27#include <linux/kernel.h>
28#include <linux/netdevice.h>
29#include <linux/ratelimit.h>
30#include <net/dst.h>
31
32#include <asm/octeon/octeon.h>
33
34#include "ethernet-defines.h"
35#include "octeon-ethernet.h"
36#include "ethernet-util.h"
37
38#include <asm/octeon/cvmx-helper.h>
39
40#include <asm/octeon/cvmx-gmxx-defs.h>
41
42int cvm_oct_xaui_open(struct net_device *dev)
43{
44 union cvmx_gmxx_prtx_cfg gmx_cfg;
45 struct octeon_ethernet *priv = netdev_priv(dev);
46 int interface = INTERFACE(priv->port);
47 int index = INDEX(priv->port);
48 cvmx_helper_link_info_t link_info;
49
50 gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
51 gmx_cfg.s.en = 1;
52 cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
53
54 if (!octeon_is_simulation()) {
55 link_info = cvmx_helper_link_get(priv->port);
56 if (!link_info.s.link_up)
57 netif_carrier_off(dev);
58 }
59 return 0;
60}
61
62int cvm_oct_xaui_stop(struct net_device *dev)
63{
64 union cvmx_gmxx_prtx_cfg gmx_cfg;
65 struct octeon_ethernet *priv = netdev_priv(dev);
66 int interface = INTERFACE(priv->port);
67 int index = INDEX(priv->port);
68
69 gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
70 gmx_cfg.s.en = 0;
71 cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
72 return 0;
73}
74
75static void cvm_oct_xaui_poll(struct net_device *dev)
76{
77 struct octeon_ethernet *priv = netdev_priv(dev);
78 cvmx_helper_link_info_t link_info;
79
80 link_info = cvmx_helper_link_get(priv->port);
81 if (link_info.u64 == priv->link_info)
82 return;
83
84 link_info = cvmx_helper_link_autoconf(priv->port);
85 priv->link_info = link_info.u64;
86
87
88 if (link_info.s.link_up) {
89
90 if (!netif_carrier_ok(dev))
91 netif_carrier_on(dev);
92 if (priv->queue != -1)
93 printk_ratelimited
94 ("%s: %u Mbps %s duplex, port %2d, queue %2d\n",
95 dev->name, link_info.s.speed,
96 (link_info.s.full_duplex) ? "Full" : "Half",
97 priv->port, priv->queue);
98 else
99 printk_ratelimited
100 ("%s: %u Mbps %s duplex, port %2d, POW\n",
101 dev->name, link_info.s.speed,
102 (link_info.s.full_duplex) ? "Full" : "Half",
103 priv->port);
104 } else {
105 if (netif_carrier_ok(dev))
106 netif_carrier_off(dev);
107 printk_ratelimited("%s: Link down\n", dev->name);
108 }
109}
110
111int cvm_oct_xaui_init(struct net_device *dev)
112{
113 struct octeon_ethernet *priv = netdev_priv(dev);
114 cvm_oct_common_init(dev);
115 dev->netdev_ops->ndo_stop(dev);
116 if (!octeon_is_simulation() && priv->phydev == NULL)
117 priv->poll = cvm_oct_xaui_poll;
118
119 return 0;
120}
121
122void cvm_oct_xaui_uninit(struct net_device *dev)
123{
124 cvm_oct_common_uninit(dev);
125}
126