generic: ar8216: add AR8337N switch support

This patch is needed to use the switch inside the Sitecom WLR-8100;
it was unusable and detected as Generic-Phy before.

since ar8337 is behaving like ar8327
generally do the same thing
see: https://forum.openwrt.org/viewtopic.php?pid=214218#p214218
forward-ported to trunk

Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>
Patchwork: http://patchwork.openwrt.org/patch/4469/
[juhosg: merge chip_is_ar83[23]7 statements in ar8xxx_phy_config_init]
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
SVN-Revision: 38952

diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index 00d4fc214d355974fc6e30d5fc2efffbd9d0a205..02fa401066ae4c198e124c5056a815737e3dedfb 100644 (file)
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -54,6 +54,7 @@ enum {
        AR8XXX_VER_AR8236 = 0x03,
        AR8XXX_VER_AR8316 = 0x10,
        AR8XXX_VER_AR8327 = 0x12,
+       AR8XXX_VER_AR8337 = 0x13,
 };
 
 struct ar8xxx_mib_desc {
@@ -260,6 +261,11 @@ static inline bool chip_is_ar8327(struct ar8xxx_priv *priv)
        return priv->chip_ver == AR8XXX_VER_AR8327;
 }
 
+static inline bool chip_is_ar8337(struct ar8xxx_priv *priv)
+{
+       return priv->chip_ver == AR8XXX_VER_AR8337;
+}
+
 static inline void
 split_addr(u32 regaddr, u16 *r1, u16 *r2, u16 *page)
 {
@@ -397,7 +403,7 @@ ar8xxx_mib_op(struct ar8xxx_priv *priv, u32 op)
 
        lockdep_assert_held(&priv->mib_lock);
 
-       if (chip_is_ar8327(priv))
+       if (chip_is_ar8327(priv) || chip_is_ar8337(priv))
                mib_func = AR8327_REG_MIB_FUNC;
        else
                mib_func = AR8216_REG_MIB_FUNC;
@@ -441,7 +447,7 @@ ar8xxx_mib_fetch_port_stat(struct ar8xxx_priv *priv, int port, bool flush)
 
        lockdep_assert_held(&priv->mib_lock);
 
-       if (chip_is_ar8327(priv))
+       if (chip_is_ar8327(priv) || chip_is_ar8337(priv))
                base = AR8327_REG_PORT_STATS_BASE(port);
        else if (chip_is_ar8236(priv) ||
                 chip_is_ar8316(priv))
@@ -1079,6 +1085,9 @@ ar8327_hw_config_pdata(struct ar8xxx_priv *priv,
        data->port6_status = ar8327_get_port_init_status(&pdata->port6_cfg);
 
        t = ar8327_get_pad_cfg(pdata->pad0_cfg);
+       if (chip_is_ar8337(priv))
+               t |= AR8337_PAD_MAC06_EXCHANGE_EN;
+
        priv->write(priv, AR8327_REG_PAD0_MODE, t);
        t = ar8327_get_pad_cfg(pdata->pad5_cfg);
        priv->write(priv, AR8327_REG_PAD5_MODE, t);
@@ -1582,7 +1591,7 @@ ar8216_set_mirror_regs(struct ar8xxx_priv *priv)
 static void
 ar8xxx_set_mirror_regs(struct ar8xxx_priv *priv)
 {
-       if (chip_is_ar8327(priv)) {
+       if (chip_is_ar8327(priv) || chip_is_ar8337(priv)) {
                ar8327_set_mirror_regs(priv);
        } else {
                ar8216_set_mirror_regs(priv);
@@ -2104,6 +2113,10 @@ ar8xxx_id_chip(struct ar8xxx_priv *priv)
                priv->mii_lo_first = true;
                priv->chip = &ar8327_chip;
                break;
+       case AR8XXX_VER_AR8337:
+               priv->mii_lo_first = true;
+               priv->chip = &ar8327_chip;
+               break;
        default:
                pr_err("ar8216: Unknown Atheros device [ver=%d, rev=%d]\n",
                       priv->chip_ver, priv->chip_rev);
@@ -2244,6 +2257,11 @@ ar8xxx_probe_switch(struct ar8xxx_priv *priv)
                swdev->vlans = AR8X16_MAX_VLANS;
                swdev->ports = AR8327_NUM_PORTS;
                swdev->ops = &ar8327_sw_ops;
+       } else if (chip_is_ar8337(priv)) {
+               swdev->name = "Atheros AR8337";
+               swdev->vlans = AR8X16_MAX_VLANS;
+               swdev->ports = AR8327_NUM_PORTS;
+               swdev->ops = &ar8327_sw_ops;
        } else {
                swdev->name = "Atheros AR8216";
                swdev->vlans = AR8216_NUM_VLANS;
@@ -2289,7 +2307,7 @@ ar8xxx_phy_config_init(struct phy_device *phydev)
        if (WARN_ON(!priv))
                return -ENODEV;
 
-       if (chip_is_ar8327(priv))
+       if (chip_is_ar8327(priv) || chip_is_ar8337(priv))
                return 0;
 
        priv->phy = phydev;
@@ -2375,7 +2393,8 @@ ar8xxx_phy_config_aneg(struct phy_device *phydev)
 
 static const u32 ar8xxx_phy_ids[] = {
        0x004dd033,
-       0x004dd034,
+       0x004dd034, /* AR8327 */
+       0x004dd036, /* AR8337 */
        0x004dd041,
        0x004dd042,
 };
@@ -2463,7 +2482,7 @@ found:
                        phydev->advertising = ADVERTISED_100baseT_Full;
                }
 
-               if (chip_is_ar8327(priv)) {
+               if (chip_is_ar8327(priv) || chip_is_ar8337(priv)) {
                        priv->phy = phydev;
 
                        ret = ar8xxx_start(priv);

diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.h b/target/linux/generic/files/drivers/net/phy/ar8216.h
index ea6d6821c184f062d11734cab15996a2aaf40f19..2244c4f19a6d31f2d75cea98d6f3791f62491716 100644 (file)
--- a/target/linux/generic/files/drivers/net/phy/ar8216.h
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.h
@@ -452,6 +452,8 @@
 
 #define AR8327_REG_PORT_STATS_BASE(_i)         (0x1000 + (_i) * 0x100)
 
+#define AR8337_PAD_MAC06_EXCHANGE_EN           BIT(31)
+
 /* port speed */
 enum {
         AR8216_PORT_SPEED_10M = 0,