generic: rtl8366: add hw_init to initialize registers after reset

[openwrt/staging/yousong.git] / target / linux / generic-2.6 / files / drivers / net / phy / rtl8366rb.c

diff --git a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366rb.c b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366rb.c
index 83edf8f9408196ffbb0850cb11724393e3b2637e..e5bc824f21a5e778a2958cb898ba6c555dcf77c9 100644 (file)
--- a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366rb.c
+++ b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366rb.c
@@ -35,6 +35,25 @@
 #define RTL8366_CHIP_CTRL_VLAN              (1 << 13)
 #define RTL8366_CHIP_CTRL_VLAN_4KTB         (1 << 14)
 
+/* Switch Global Configuration register */
+#define RTL8366_SGCR                   0x0000
+#define RTL8366_SGCR_EN_BC_STORM_CTRL  BIT(0)
+#define RTL8366_SGCR_MAX_LENGTH(_x)    (_x << 4)
+#define RTL8366_SGCR_MAX_LENGTH_MASK   RTL8366_SGCR_MAX_LENGTH(0x3)
+#define RTL8366_SGCR_MAX_LENGTH_1522   RTL8366_SGCR_MAX_LENGTH(0x0)
+#define RTL8366_SGCR_MAX_LENGTH_1536   RTL8366_SGCR_MAX_LENGTH(0x1)
+#define RTL8366_SGCR_MAX_LENGTH_1552   RTL8366_SGCR_MAX_LENGTH(0x2)
+#define RTL8366_SGCR_MAX_LENGTH_9216   RTL8366_SGCR_MAX_LENGTH(0x3)
+
+/* Port Enable Control register */
+#define RTL8366_PECR                   0x0001
+
+/* Switch Security Control registers */
+#define RTL8366_SSCR0                  0x0002
+#define RTL8366_SSCR1                  0x0003
+#define RTL8366_SSCR2                  0x0004
+#define RTL8366_SSCR2_DROP_UNKNOWN_DA  BIT(0)
+
 #define RTL8366_RESET_CTRL_REG              0x0100
 #define RTL8366_CHIP_CTRL_RESET_HW          1
 #define RTL8366_CHIP_CTRL_RESET_SW          (1 << 1)
@@ -221,6 +240,20 @@ static struct mib_counter rtl8366rb_mib_counters[RTL8366S_MIB_COUNT] = {
        { 70, 2, "IfOutBroadcastPkts"                   },
 };
 
+#define REG_WR(_smi, _reg, _val)                                       \
+       do {                                                            \
+               err = rtl8366_smi_write_reg(_smi, _reg, _val);          \
+               if (err)                                                \
+                       return err;                                     \
+       } while (0)
+
+#define REG_RMW(_smi, _reg, _mask, _val)                               \
+       do {                                                            \
+               err = rtl8366_smi_rmwr(_smi, _reg, _mask, _val);        \
+               if (err)                                                \
+                       return err;                                     \
+       } while (0)
+
 static inline struct rtl8366rb *smi_to_rtl8366rb(struct rtl8366_smi *smi)
 {
        return container_of(smi, struct rtl8366rb, smi);
@@ -261,6 +294,29 @@ static int rtl8366rb_reset_chip(struct rtl8366_smi *smi)
        return 0;
 }
 
+static int rtl8366rb_hw_init(struct rtl8366_smi *smi)
+{
+       int err;
+
+       /* set maximum packet length to 1536 bytes */
+       REG_RMW(smi, RTL8366_SGCR, RTL8366_SGCR_MAX_LENGTH_MASK,
+               RTL8366_SGCR_MAX_LENGTH_1536);
+
+       /* enable all ports */
+       REG_WR(smi, RTL8366_PECR, 0);
+
+       /* disable learning for all ports */
+       REG_WR(smi, RTL8366_SSCR0, RTL8366_PORT_ALL);
+
+       /* disable auto ageing for all ports */
+       REG_WR(smi, RTL8366_SSCR1, RTL8366_PORT_ALL);
+
+       /* don't drop packets whose DA has not been learned */
+       REG_RMW(smi, RTL8366_SSCR2, RTL8366_SSCR2_DROP_UNKNOWN_DA, 0);
+
+       return 0;
+}
+
 static int rtl8366rb_read_phy_reg(struct rtl8366_smi *smi,
                                 u32 phy_no, u32 page, u32 addr, u32 *data)
 {
@@ -1339,6 +1395,10 @@ static int rtl8366rb_sw_reset_switch(struct switch_dev *dev)
        if (err)
                return err;
 
+       err = rtl8366rb_hw_init(smi);
+       if (err)
+               return err;
+
        return rtl8366rb_reset_vlan(smi);
 }
 
@@ -1504,12 +1564,14 @@ static int rtl8366rb_setup(struct rtl8366rb *rtl)
        struct rtl8366_smi *smi = &rtl->smi;
        int ret;
 
+       rtl8366rb_debugfs_init(rtl);
+
        ret = rtl8366rb_reset_chip(smi);
        if (ret)
                return ret;
 
-       rtl8366rb_debugfs_init(rtl);
-       return 0;
+       ret = rtl8366rb_hw_init(smi);
+       return ret;
 }
 
 static int rtl8366rb_detect(struct rtl8366_smi *smi)