[brcm63xx] backport r29238
[openwrt-10.03/.git] / target / linux / ar7 / patches-2.6.32 / 972-cpmac_multi_probe.patch
1 --- a/drivers/net/cpmac.c
2 +++ b/drivers/net/cpmac.c
3 @@ -33,6 +33,7 @@
4  #include <linux/skbuff.h>
5  #include <linux/mii.h>
6  #include <linux/phy.h>
7 +#include <linux/phy_fixed.h>
8  #include <linux/platform_device.h>
9  #include <linux/dma-mapping.h>
10  #include <asm/gpio.h>
11 @@ -217,6 +218,12 @@ static void cpmac_hw_stop(struct net_dev
12  static int cpmac_stop(struct net_device *dev);
13  static int cpmac_open(struct net_device *dev);
14  
15 +static struct fixed_phy_status fixed_phy_status = {
16 +       .link = 1,
17 +       .speed = 100,
18 +       .duplex = 1,
19 +};
20 +
21  static void cpmac_dump_regs(struct net_device *dev)
22  {
23         int i;
24 @@ -1122,12 +1129,39 @@ static int __devinit cpmac_probe(struct
25                 strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
26                 break;
27         }
28 -       
29 -       if (phy_id == PHY_MAX_ADDR) {
30 -               dev_err(&pdev->dev, "no PHY present\n");
31 -               return -ENODEV;
32 +
33 +       if (phy_id < PHY_MAX_ADDR)
34 +               goto dev_alloc;
35 +
36 +       dev_info(&pdev->dev, "trying external MII\n");
37 +       /* Now disable EPHY and enable MII */
38 +       ar7_device_disable(AR7_RESET_BIT_EPHY);
39 +       *(unsigned long*) ioremap(0x08611A08, 4) |= 0x00000001;
40 +
41 +       for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
42 +               if (!(pdata->phy_mask & (1 << phy_id)))
43 +                       continue;
44 +               if (!cpmac_mii->phy_map[phy_id])
45 +                       continue;
46 +               strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
47 +               break;
48 +       }
49 +
50 +       if (phy_id < PHY_MAX_ADDR)
51 +               goto dev_alloc;
52 +
53 +       /* This still does not work, so now we register a fixed phy */
54 +       dev_info(&pdev->dev, "using fixed PHY\n");
55 +       rc = fixed_phy_add(PHY_POLL, pdev->id, &fixed_phy_status);
56 +       if (rc && rc != -ENODEV) {
57 +               dev_err(&pdev->dev, "unable to register fixed PHY\n");
58 +               return rc;
59         }
60  
61 +       strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
62 +       phy_id = pdev->id;
63 +
64 +dev_alloc:
65         dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
66  
67         if (!dev) {