ramips: rt305x: rename LEDs on the DIR-300-B1

[openwrt.git] / target / linux / ramips / files / drivers / net / ramips_esw.c

diff --git a/target/linux/ramips/files/drivers/net/ramips_esw.c b/target/linux/ramips/files/drivers/net/ramips_esw.c
index f82d662..c6b5db7 100644 (file)
--- a/target/linux/ramips/files/drivers/net/ramips_esw.c
+++ b/target/linux/ramips/files/drivers/net/ramips_esw.c
@@ -5,7 +5,7 @@
 
 #define RT305X_ESW_REG_FCT0            0x08
 #define RT305X_ESW_REG_PFC1            0x14
-#define RT305X_ESW_REG_PVIDC(_n)       (0x48 + 4 * (_n))
+#define RT305X_ESW_REG_PVIDC(_n)       (0x40 + 4 * (_n))
 #define RT305X_ESW_REG_VLANI(_n)       (0x50 + 4 * (_n))
 #define RT305X_ESW_REG_VMSC(_n)                (0x70 + 4 * (_n))
 #define RT305X_ESW_REG_FPA             0x84
@@ -28,9 +28,54 @@
 
 #define RT305X_ESW_PHY_TIMEOUT         (5 * HZ)
 
+#define RT305X_ESW_PVIDC_PVID_M                0xfff
+#define RT305X_ESW_PVIDC_PVID_S                12
+
+#define RT305X_ESW_VLANI_VID_M         0xfff
+#define RT305X_ESW_VLANI_VID_S         12
+
+#define RT305X_ESW_VMSC_MSC_M          0xff
+#define RT305X_ESW_VMSC_MSC_S          8
+
+#define RT305X_ESW_SOCPC_DISUN2CPU_S   0
+#define RT305X_ESW_SOCPC_DISMC2CPU_S   8
+#define RT305X_ESW_SOCPC_DISBC2CPU_S   16
+#define RT305X_ESW_SOCPC_CRC_PADDING   BIT(25)
+
+#define RT305X_ESW_POC1_EN_BP_S                0
+#define RT305X_ESW_POC1_EN_FC_S                8
+#define RT305X_ESW_POC1_DIS_RMC2CPU_S  16
+#define RT305X_ESW_POC1_DIS_PORT_S     23
+
+#define RT305X_ESW_POC3_UNTAG_EN_S     0
+#define RT305X_ESW_POC3_ENAGING_S      8
+#define RT305X_ESW_POC3_DIS_UC_PAUSE_S 16
+
+#define RT305X_ESW_PORT0               0
+#define RT305X_ESW_PORT1               1
+#define RT305X_ESW_PORT2               2
+#define RT305X_ESW_PORT3               3
+#define RT305X_ESW_PORT4               4
+#define RT305X_ESW_PORT5               5
+#define RT305X_ESW_PORT6               6
+
+#define RT305X_ESW_PORTS_INTERNAL                                      \
+               (BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) |        \
+                BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) |        \
+                BIT(RT305X_ESW_PORT4))
+
+#define RT305X_ESW_PORTS_NOCPU \
+               (RT305X_ESW_PORTS_INTERNAL | BIT(RT305X_ESW_PORT5))
+
+#define RT305X_ESW_PORTS_CPU   BIT(RT305X_ESW_PORT6)
+
+#define RT305X_ESW_PORTS_ALL   \
+               (RT305X_ESW_PORTS_NOCPU | RT305X_ESW_PORTS_CPU)
+
 struct rt305x_esw {
        void __iomem *base;
        struct rt305x_esw_platform_data *pdata;
+       spinlock_t reg_rw_lock;
 };
 
 static inline void
@@ -45,6 +90,27 @@ rt305x_esw_rr(struct rt305x_esw *esw, unsigned reg)
        return __raw_readl(esw->base + reg);
 }
 
+static inline void
+rt305x_esw_rmw_raw(struct rt305x_esw *esw, unsigned reg, unsigned long mask,
+                  unsigned long val)
+{
+       unsigned long t;
+
+       t = __raw_readl(esw->base + reg) & ~mask;
+       __raw_writel(t | val, esw->base + reg);
+}
+
+static void
+rt305x_esw_rmw(struct rt305x_esw *esw, unsigned reg, unsigned long mask,
+              unsigned long val)
+{
+       unsigned long flags;
+
+       spin_lock_irqsave(&esw->reg_rw_lock, flags);
+       rt305x_esw_rmw_raw(esw, reg, mask, val);
+       spin_unlock_irqrestore(&esw->reg_rw_lock, flags);
+}
+
 static u32
 rt305x_mii_write(struct rt305x_esw *esw, u32 phy_addr, u32 phy_register,
                 u32 write_data)
@@ -86,6 +152,42 @@ out:
        return ret;
 }
 
+static void
+rt305x_esw_set_vlan_id(struct rt305x_esw *esw, unsigned vlan, unsigned vid)
+{
+       unsigned s;
+
+       s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
+       rt305x_esw_rmw(esw,
+                      RT305X_ESW_REG_VLANI(vlan / 2),
+                      RT305X_ESW_VLANI_VID_M << s,
+                      (vid & RT305X_ESW_VLANI_VID_M) << s);
+}
+
+static void
+rt305x_esw_set_pvid(struct rt305x_esw *esw, unsigned port, unsigned pvid)
+{
+       unsigned s;
+
+       s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
+       rt305x_esw_rmw(esw,
+                      RT305X_ESW_REG_PVIDC(port / 2),
+                      RT305X_ESW_PVIDC_PVID_M << s,
+                      (pvid & RT305X_ESW_PVIDC_PVID_M) << s);
+}
+
+static void
+rt305x_esw_set_vmsc(struct rt305x_esw *esw, unsigned vlan, unsigned msc)
+{
+       unsigned s;
+
+       s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
+       rt305x_esw_rmw(esw,
+                      RT305X_ESW_REG_VMSC(vlan / 4),
+                      RT305X_ESW_VMSC_MSC_M << s,
+                      (msc & RT305X_ESW_VMSC_MSC_M) << s);
+}
+
 static void
 rt305x_esw_hw_init(struct rt305x_esw *esw)
 {
@@ -95,13 +197,32 @@ rt305x_esw_hw_init(struct rt305x_esw *esw)
        rt305x_esw_wr(esw, 0xC8A07850, RT305X_ESW_REG_FCT0);
        rt305x_esw_wr(esw, 0x00000000, RT305X_ESW_REG_SGC2);
        rt305x_esw_wr(esw, 0x00405555, RT305X_ESW_REG_PFC1);
-       rt305x_esw_wr(esw, 0x00002001, RT305X_ESW_REG_VLANI(0));
-       rt305x_esw_wr(esw, 0x00007f7f, RT305X_ESW_REG_POC1);
-       rt305x_esw_wr(esw, 0x00007f3f, RT305X_ESW_REG_POC3);
+
+       /* Enable Back Pressure, and Flow Control */
+       rt305x_esw_wr(esw,
+                     ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC1_EN_BP_S) |
+                      (RT305X_ESW_PORTS_ALL << RT305X_ESW_POC1_EN_FC_S)),
+                     RT305X_ESW_REG_POC1);
+
+       /* Enable Aging, and VLAN TAG removal */
+       rt305x_esw_wr(esw,
+                     ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC3_ENAGING_S) |
+                      (RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC3_UNTAG_EN_S)),
+                     RT305X_ESW_REG_POC3);
+
        rt305x_esw_wr(esw, 0x00d6500c, RT305X_ESW_REG_FCT2);
        rt305x_esw_wr(esw, 0x0008a301, RT305X_ESW_REG_SGC);
-       rt305x_esw_wr(esw, 0x02404040, RT305X_ESW_REG_SOCPC);
-       rt305x_esw_wr(esw, 0x00001002, RT305X_ESW_REG_PVIDC(2));
+
+       /* Setup SoC Port control register */
+       rt305x_esw_wr(esw,
+                     (RT305X_ESW_SOCPC_CRC_PADDING |
+                      (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISUN2CPU_S) |
+                      (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISMC2CPU_S) |
+                      (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISBC2CPU_S)),
+                     RT305X_ESW_REG_SOCPC);
+
+       rt305x_esw_set_pvid(esw, RT305X_ESW_PORT4, 2);
+       rt305x_esw_set_pvid(esw, RT305X_ESW_PORT5, 1);
        rt305x_esw_wr(esw, 0x3f502b28, RT305X_ESW_REG_FPA2);
        rt305x_esw_wr(esw, 0x00000000, RT305X_ESW_REG_FPA);
 
@@ -132,8 +253,16 @@ rt305x_esw_hw_init(struct rt305x_esw *esw)
        rt305x_mii_write(esw, 0, 31, 0x8000);
 
        /* set default vlan */
-       rt305x_esw_wr(esw, 0x2001, RT305X_ESW_REG_VLANI(0));
-       rt305x_esw_wr(esw, 0x504f, RT305X_ESW_REG_VMSC(0));
+       rt305x_esw_set_vlan_id(esw, 0, 1);
+       rt305x_esw_set_vlan_id(esw, 1, 2);
+       rt305x_esw_set_vmsc(esw, 0,
+                           (BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) |
+                            BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) |
+                            BIT(RT305X_ESW_PORT6)));
+       rt305x_esw_set_vmsc(esw, 1,
+                           (BIT(RT305X_ESW_PORT4) | BIT(RT305X_ESW_PORT6)));
+       rt305x_esw_set_vmsc(esw, 2, 0);
+       rt305x_esw_set_vmsc(esw, 3, 0);
 }
 
 static int
@@ -170,6 +299,7 @@ rt305x_esw_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, esw);
 
        esw->pdata = pdata;
+       spin_lock_init(&esw->reg_rw_lock);
        rt305x_esw_hw_init(esw);
 
        return 0;
@@ -209,7 +339,7 @@ rt305x_esw_init(void)
        return platform_driver_register(&rt305x_esw_driver);
 }
 
-static void __exit
+static void
 rt305x_esw_exit(void)
 {
        platform_driver_unregister(&rt305x_esw_driver);