Fresh pull from upstream 17.01 branch
[librecmc/librecmc.git] / target / linux / generic / patches-4.4 / 078-0004-net-phy-pick-Broadcom-drivers-updates-from-net-next-.patch
1 --- a/drivers/net/phy/broadcom.c
2 +++ b/drivers/net/phy/broadcom.c
3 @@ -30,6 +30,50 @@ MODULE_DESCRIPTION("Broadcom PHY driver"
4  MODULE_AUTHOR("Maciej W. Rozycki");
5  MODULE_LICENSE("GPL");
6  
7 +static int bcm54210e_config_init(struct phy_device *phydev)
8 +{
9 +       int val;
10 +
11 +       val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
12 +       val &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
13 +       val |= MII_BCM54XX_AUXCTL_MISC_WREN;
14 +       bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, val);
15 +
16 +       val = bcm_phy_read_shadow(phydev, BCM54810_SHD_CLK_CTL);
17 +       val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN;
18 +       bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val);
19 +
20 +       return 0;
21 +}
22 +
23 +static int bcm54612e_config_init(struct phy_device *phydev)
24 +{
25 +       /* Clear TX internal delay unless requested. */
26 +       if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) &&
27 +           (phydev->interface != PHY_INTERFACE_MODE_RGMII_TXID)) {
28 +               /* Disable TXD to GTXCLK clock delay (default set) */
29 +               /* Bit 9 is the only field in shadow register 00011 */
30 +               bcm_phy_write_shadow(phydev, 0x03, 0);
31 +       }
32 +
33 +       /* Clear RX internal delay unless requested. */
34 +       if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) &&
35 +           (phydev->interface != PHY_INTERFACE_MODE_RGMII_RXID)) {
36 +               u16 reg;
37 +
38 +               reg = bcm54xx_auxctl_read(phydev,
39 +                                         MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
40 +               /* Disable RXD to RXC delay (default set) */
41 +               reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
42 +               /* Clear shadow selector field */
43 +               reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MASK;
44 +               bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
45 +                                    MII_BCM54XX_AUXCTL_MISC_WREN | reg);
46 +       }
47 +
48 +       return 0;
49 +}
50 +
51  static int bcm54810_config(struct phy_device *phydev)
52  {
53         int rc, val;
54 @@ -230,7 +274,15 @@ static int bcm54xx_config_init(struct ph
55             (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
56                 bcm54xx_adjust_rxrefclk(phydev);
57  
58 -       if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) {
59 +       if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E) {
60 +               err = bcm54210e_config_init(phydev);
61 +               if (err)
62 +                       return err;
63 +       } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54612E) {
64 +               err = bcm54612e_config_init(phydev);
65 +               if (err)
66 +                       return err;
67 +       } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) {
68                 err = bcm54810_config(phydev);
69                 if (err)
70                         return err;
71 @@ -375,41 +427,6 @@ static int bcm5481_config_aneg(struct ph
72         return ret;
73  }
74  
75 -static int bcm54612e_config_aneg(struct phy_device *phydev)
76 -{
77 -       int ret;
78 -
79 -       /* First, auto-negotiate. */
80 -       ret = genphy_config_aneg(phydev);
81 -
82 -       /* Clear TX internal delay unless requested. */
83 -       if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) &&
84 -           (phydev->interface != PHY_INTERFACE_MODE_RGMII_TXID)) {
85 -               /* Disable TXD to GTXCLK clock delay (default set) */
86 -               /* Bit 9 is the only field in shadow register 00011 */
87 -               bcm_phy_write_shadow(phydev, 0x03, 0);
88 -       }
89 -
90 -       /* Clear RX internal delay unless requested. */
91 -       if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) &&
92 -           (phydev->interface != PHY_INTERFACE_MODE_RGMII_RXID)) {
93 -               u16 reg;
94 -
95 -               /* Errata: reads require filling in the write selector field */
96 -               bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
97 -                                    MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC);
98 -               reg = phy_read(phydev, MII_BCM54XX_AUX_CTL);
99 -               /* Disable RXD to RXC delay (default set) */
100 -               reg &= ~MII_BCM54XX_AUXCTL_MISC_RXD_RXC_SKEW;
101 -               /* Clear shadow selector field */
102 -               reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MASK;
103 -               bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
104 -                                    MII_BCM54XX_AUXCTL_MISC_WREN | reg);
105 -       }
106 -
107 -       return ret;
108 -}
109 -
110  static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set)
111  {
112         int val;
113 @@ -548,6 +565,19 @@ static struct phy_driver broadcom_driver
114         .config_intr    = bcm_phy_config_intr,
115         .driver         = { .owner = THIS_MODULE },
116  }, {
117 +       .phy_id         = PHY_ID_BCM54210E,
118 +       .phy_id_mask    = 0xfffffff0,
119 +       .name           = "Broadcom BCM54210E",
120 +       .features       = PHY_GBIT_FEATURES |
121 +                         SUPPORTED_Pause | SUPPORTED_Asym_Pause,
122 +       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
123 +       .config_init    = bcm54xx_config_init,
124 +       .config_aneg    = genphy_config_aneg,
125 +       .read_status    = genphy_read_status,
126 +       .ack_interrupt  = bcm_phy_ack_intr,
127 +       .config_intr    = bcm_phy_config_intr,
128 +       .driver         = { .owner = THIS_MODULE },
129 +}, {
130         .phy_id         = PHY_ID_BCM5461,
131         .phy_id_mask    = 0xfffffff0,
132         .name           = "Broadcom BCM5461",
133 @@ -568,7 +598,7 @@ static struct phy_driver broadcom_driver
134                           SUPPORTED_Pause | SUPPORTED_Asym_Pause,
135         .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
136         .config_init    = bcm54xx_config_init,
137 -       .config_aneg    = bcm54612e_config_aneg,
138 +       .config_aneg    = genphy_config_aneg,
139         .read_status    = genphy_read_status,
140         .ack_interrupt  = bcm_phy_ack_intr,
141         .config_intr    = bcm_phy_config_intr,
142 @@ -710,6 +740,7 @@ module_phy_driver(broadcom_drivers);
143  static struct mdio_device_id __maybe_unused broadcom_tbl[] = {
144         { PHY_ID_BCM5411, 0xfffffff0 },
145         { PHY_ID_BCM5421, 0xfffffff0 },
146 +       { PHY_ID_BCM54210E, 0xfffffff0 },
147         { PHY_ID_BCM5461, 0xfffffff0 },
148         { PHY_ID_BCM54612E, 0xfffffff0 },
149         { PHY_ID_BCM54616S, 0xfffffff0 },
150 --- a/include/linux/brcmphy.h
151 +++ b/include/linux/brcmphy.h
152 @@ -17,6 +17,7 @@
153  #define PHY_ID_BCM5482                 0x0143bcb0
154  #define PHY_ID_BCM5411                 0x00206070
155  #define PHY_ID_BCM5421                 0x002060e0
156 +#define PHY_ID_BCM54210E               0x600d84a0
157  #define PHY_ID_BCM5464                 0x002060b0
158  #define PHY_ID_BCM5461                 0x002060c0
159  #define PHY_ID_BCM54612E               0x03625e60