b883d73af3ae953ecd2e0ef7b954740570185e6a
[openwrt.git] / target / linux / generic / patches-4.0 / 773-bgmac-add-srab-switch.patch
1 Register switch connected to srab
2
3 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
4
5 --- a/drivers/net/ethernet/broadcom/bgmac.c
6 +++ b/drivers/net/ethernet/broadcom/bgmac.c
7 @@ -17,6 +17,7 @@
8  #include <linux/phy_fixed.h>
9  #include <linux/interrupt.h>
10  #include <linux/dma-mapping.h>
11 +#include <linux/platform_data/b53.h>
12  #include <bcm47xx_nvram.h>
13  
14  static const struct bcma_device_id bgmac_bcma_tbl[] = {
15 @@ -1538,6 +1539,17 @@ static void bgmac_mii_unregister(struct
16         mdiobus_free(mii_bus);
17  }
18  
19 +static struct b53_platform_data bgmac_b53_pdata = {
20 +};
21 +
22 +static struct platform_device bgmac_b53_dev = {
23 +       .name           = "b53-srab-switch",
24 +       .id             = -1,
25 +       .dev            = {
26 +               .platform_data = &bgmac_b53_pdata,
27 +       },
28 +};
29 +
30  /**************************************************
31   * BCMA bus ops
32   **************************************************/
33 @@ -1664,6 +1676,16 @@ static int bgmac_probe(struct bcma_devic
34         net_dev->hw_features = net_dev->features;
35         net_dev->vlan_features = net_dev->features;
36  
37 +       if ((ci->id == BCMA_CHIP_ID_BCM4707 ||
38 +            ci->id == BCMA_CHIP_ID_BCM53018) &&
39 +           !bgmac_b53_pdata.regs) {
40 +               bgmac_b53_pdata.regs = ioremap_nocache(0x18007000, 0x1000);
41 +
42 +               err = platform_device_register(&bgmac_b53_dev);
43 +               if (!err)
44 +                       bgmac->b53_device = &bgmac_b53_dev;
45 +       }
46 +
47         err = register_netdev(bgmac->net_dev);
48         if (err) {
49                 bgmac_err(bgmac, "Cannot register net device\n");
50 @@ -1690,6 +1712,10 @@ static void bgmac_remove(struct bcma_dev
51  {
52         struct bgmac *bgmac = bcma_get_drvdata(core);
53  
54 +       if (bgmac->b53_device)
55 +               platform_device_unregister(&bgmac_b53_dev);
56 +       bgmac->b53_device = NULL;
57 +
58         unregister_netdev(bgmac->net_dev);
59         bgmac_mii_unregister(bgmac);
60         netif_napi_del(&bgmac->napi);
61 --- a/drivers/net/ethernet/broadcom/bgmac.h
62 +++ b/drivers/net/ethernet/broadcom/bgmac.h
63 @@ -462,6 +462,9 @@ struct bgmac {
64         bool has_robosw;
65  
66         bool loopback;
67 +
68 +       /* platform device for associated switch */
69 +       struct platform_device *b53_device;
70  };
71  
72  static inline u32 bgmac_read(struct bgmac *bgmac, u16 offset)