target/linux/brcm63xx/patches-3.3/421-BCM63XX-use-port-id-for-deciding-external-phy.patch

   1 From 85e4551e033df7cb043e93042661fc1e58799efa Mon Sep 17 00:00:00 2001
   2 From: Jonas Gorski <jonas.gorski@gmail.com>
   3 Date: Sun, 8 Jul 2012 15:36:23 +0200
   4 Subject: [PATCH 52/84] BCM63XX: use port id for deciding external phy
   5
   6 Ports 0-3 always use the internal phy, while 4+ always need an external
   7 phy to work.
   8 ---
   9  .../include/asm/mach-bcm63xx/bcm63xx_dev_enet.h    |    3 ++-
  10  drivers/net/ethernet/broadcom/bcm63xx_enet.c       |   15 ++++++++-------
  11  drivers/net/ethernet/broadcom/bcm63xx_enet.h       |    5 +++++
  12  3 files changed, 15 insertions(+), 8 deletions(-)
  13
  14 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
  15 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
  16 @@ -45,9 +45,10 @@ struct bcm63xx_enet_platform_data {
  17  #define ENETSW_MAX_PORT        6
  18  #define ENETSW_PORTS_6368 6 /* 4 FE PHY + 2 RGMII */
  19
  20 +#define ENETSW_RGMII_PORT0     4
  21 +
  22  struct bcm63xx_enetsw_port {
  23         int             used;
  24 -       int             external_phy;
  25         int             phy_id;
  26
  27         int             bypass_link;
  28 --- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
  29 +++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
  30 @@ -2046,6 +2046,7 @@ static void swphy_poll_timer(unsigned lo
  31         for (i = 0; i < priv->num_ports; i++) {
  32                 struct bcm63xx_enetsw_port *port;
  33                 int val, j, up, advertise, lpa, lpa2, speed, duplex, media;
  34 +               int external_phy = bcm_enet_port_is_rgmii(i);
  35                 u8 override;
  36
  37                 port = &priv->used_ports[i];
  38 @@ -2057,7 +2058,7 @@ static void swphy_poll_timer(unsigned lo
  39
  40                 /* dummy read to clear */
  41                 for (j = 0; j < 2; j++)
  42 -                       val = bcmenet_sw_mdio_read(priv, port->external_phy,
  43 +                       val = bcmenet_sw_mdio_read(priv, external_phy,
  44                                                    port->phy_id, MII_BMSR);
  45
  46                 if (val == 0xffff)
  47 @@ -2081,14 +2082,14 @@ static void swphy_poll_timer(unsigned lo
  48                         continue;
  49                 }
  50
  51 -               advertise = bcmenet_sw_mdio_read(priv, port->external_phy,
  52 +               advertise = bcmenet_sw_mdio_read(priv, external_phy,
  53                                                  port->phy_id, MII_ADVERTISE);
  54
  55 -               lpa = bcmenet_sw_mdio_read(priv, port->external_phy,
  56 -                                          port->phy_id, MII_LPA);
  57 +               lpa = bcmenet_sw_mdio_read(priv, external_phy, port->phy_id,
  58 +                                          MII_LPA);
  59
  60 -               lpa2 = bcmenet_sw_mdio_read(priv, port->external_phy,
  61 -                                          port->phy_id, MII_STAT1000);
  62 +               lpa2 = bcmenet_sw_mdio_read(priv, external_phy, port->phy_id,
  63 +                                           MII_STAT1000);
  64
  65                 /* figure out media and duplex from advertise and LPA values */
  66                 media = mii_nway_result(lpa & advertise);
  67 @@ -2457,7 +2458,7 @@ static int bcm_enetsw_phy_is_external(st
  68                 if (!priv->used_ports[i].used)
  69                         continue;
  70                 if (priv->used_ports[i].phy_id == phy_id)
  71 -                       return priv->used_ports[i].external_phy;
  72 +                       return bcm_enet_port_is_rgmii(i);
  73         }
  74
  75         printk_once(KERN_WARNING  "bcm63xx_enet: could not find a used port "
  76 --- a/drivers/net/ethernet/broadcom/bcm63xx_enet.h
  77 +++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.h
  78 @@ -365,4 +365,9 @@ struct bcm_enet_priv {
  79         spinlock_t enetsw_mdio_lock;
  80  };
  81
  82 +static inline int bcm_enet_port_is_rgmii(int portid)
  83 +{
  84 +       return portid >= ENETSW_RGMII_PORT0;
  85 +}
  86 +
  87  #endif /* ! BCM63XX_ENET_H_ */