switch: the BCM5365 is a special switch and the BCM5350 or BCM5325 is the normal...
authorHauke Mehrtens <hauke@hauke-m.de>
Wed, 13 Feb 2013 16:03:03 +0000 (16:03 +0000)
committerHauke Mehrtens <hauke@hauke-m.de>
Wed, 13 Feb 2013 16:03:03 +0000 (16:03 +0000)
This makes it easier to compare this code with the code from the Broadcom SDK.

SVN-Revision: 35580

package/switch/src/etc53xx.h
package/switch/src/switch-robo.c

index c21d1bc79faff3e06783fe47b07a5b9d0d9608d7..0cd217e5120d4ba5180dd4e665af60cf265181fa 100644 (file)
@@ -542,9 +542,9 @@ typedef struct _ROBO_VLAN_CTRL0_STRUC
 #define VLAN_TABLE_WRITE 1              /* for read/write state in table access reg */
 #define VLAN_TABLE_READ 0               /* for read/write state in table access reg */
 #define VLAN_ID_HIGH_BITS 0             /* static high bits in table access reg */
-#define VLAN_ID_MAX 255                 /* max VLAN id */
-#define VLAN_ID_MAX5350 15              /* max VLAN id (5350) */
-#define VLAN_ID_MAX5395 4094            /* max VLAN id (5395) */
+#define VLAN_ID_MAX 15                  /* max VLAN id (5350) */
+#define VLAN_ID_MAX_5365 255            /* max VLAN id */
+#define VLAN_ID_MAX_5395 4094           /* max VLAN id (5395) */
 #define VLAN_ID_MASK VLAN_ID_MAX        /* VLAN id mask */
 #ifdef BCM5380
 #define VLAN_UNTAG_SHIFT 13             /* for postioning untag bits in write reg */
@@ -595,10 +595,10 @@ typedef struct _ROBO_VLAN_READ_WRITE_STRUC_5350
 #define ROBO_VLAN_CTRL3             0x03 /* 8b: VLAN Control 3 Register */
 #define ROBO_VLAN_CTRL4             0x04 /* 8b: VLAN Control 4 Register */
 #define ROBO_VLAN_CTRL5             0x05 /* 8b: VLAN Control 5 Register */
-#define ROBO_VLAN_TABLE_ACCESS      0x08 /* 14b: VLAN Table Access Register */
-#define ROBO_VLAN_TABLE_ACCESS_5350 0x06 /* 14b: VLAN Table Access Register (5350) */
-#define ROBO_VLAN_WRITE             0x0a /* 15b: VLAN Write Register */
-#define ROBO_VLAN_WRITE_5350        0x08 /* 15b: VLAN Write Register (5350) */
+#define ROBO_VLAN_TABLE_ACCESS_5365 0x08 /* 14b: VLAN Table Access Register */
+#define ROBO_VLAN_TABLE_ACCESS      0x06 /* 14b: VLAN Table Access Register (5350) */
+#define ROBO_VLAN_WRITE_5365        0x0a /* 15b: VLAN Write Register */
+#define ROBO_VLAN_WRITE             0x08 /* 15b: VLAN Write Register (5350) */
 #define ROBO_VLAN_READ              0x0c /* 15b: VLAN Read Register */
 #define ROBO_VLAN_PORT0_DEF_TAG     0x10 /* 16b: VLAN Port 0 Default Tag Register */
 #define ROBO_VLAN_PORT1_DEF_TAG     0x12 /* 16b: VLAN Port 1 Default Tag Register */
index 38aa9eff554ee136dbf3567a6d7ed4de14a35fa2..9c78d8281f9e903f97b7e0b8089e42786b83602c 100644 (file)
@@ -72,8 +72,8 @@
 struct robo_switch {
        char *device;                   /* The device name string (ethX) */
        u16 devid;                      /* ROBO_DEVICE_ID_53xx */
-       bool is_5350;
-       u8 gmii;                        /* gigabit mii */
+       bool is_5365;
+       bool gmii;                      /* gigabit mii */
        int gpio_robo_reset;
        int gpio_lanports_enable;
        struct ifreq ifr;
@@ -198,34 +198,22 @@ static void robo_write32(__u8 page, __u8 reg, __u32 val32)
        robo_reg(page, reg, REG_MII_ADDR_WRITE);
 }
 
-/* checks that attached switch is 5325/5352/5354/5356/5357/53115 */
-static int robo_vlan5350(__u32 phyid)
+/* checks that attached switch is 5365 */
+static bool robo_bcm5365(void)
 {
        /* set vlan access id to 15 and read it back */
        __u16 val16 = 15;
-       robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
+       robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
 
        /* 5365 will refuse this as it does not have this reg */
-       if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350) != val16)
-               return 0;
-       /* gigabit ? */
+       return robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS) != val16;
+}
+
+static bool robo_gmii(void)
+{
        if (mdio_read(0, ROBO_MII_STAT) & 0x0100)
-               robo.gmii = ((mdio_read(0, 0x0f) & 0xf000) != 0);
-       /* 53115 ? */
-       if (robo.gmii && robo_read32(ROBO_STAT_PAGE, ROBO_LSA_IM_PORT) != 0) {
-               robo_write16(ROBO_ARLIO_PAGE, ROBO_VTBL_INDX_5395, val16);
-               robo_write16(ROBO_ARLIO_PAGE, ROBO_VTBL_ACCESS_5395,
-                                        (1 << 7) /* start */ | 1 /* read */);
-               if (robo_read16(ROBO_ARLIO_PAGE, ROBO_VTBL_ACCESS_5395) == 1 &&
-                   robo_read16(ROBO_ARLIO_PAGE, ROBO_VTBL_INDX_5395) == val16)
-                       return 4;
-       }
-       /* dirty trick for 5356/5357 */
-       if ((phyid & 0xfff0ffff ) == 0x5da00362 ||
-           (phyid & 0xfff0ffff ) == 0x5e000362)
-               return 3;
-       /* 5325/5352/5354*/
-       return 1;
+               return ((mdio_read(0, 0x0f) & 0xf000) != 0);
+       return false;
 }
 
 static int robo_switch_enable(void)
@@ -392,7 +380,12 @@ static int robo_probe(char *devname)
        }
        if (!robo.devid)
                robo.devid = ROBO_DEVICE_ID_5325; /* Fake it */
-       robo.is_5350 = robo_vlan5350(phyid);
+       if (robo.devid == ROBO_DEVICE_ID_5325)
+               robo.is_5365 = robo_bcm5365();
+       else
+               robo.is_5365 = false;
+
+       robo.gmii = robo_gmii();
 
        robo_switch_reset();
        err = robo_switch_enable();
@@ -400,7 +393,7 @@ static int robo_probe(char *devname)
                goto err_gpio_lanports;
 
        printk(KERN_INFO PFX "found a 5%s%x!%s at %s\n", robo.devid & 0xff00 ? "" : "3", robo.devid,
-               robo.is_5350 ? " It's a 5350." : "", devname);
+               robo.is_5365 ? " It's a BCM5365." : "", devname);
 
        return 0;
 
@@ -426,9 +419,9 @@ static int handle_vlan_port_read(void *driver, char *buf, int nr)
 
        val16 = (nr) /* vlan */ | (0 << 12) /* read */ | (1 << 13) /* enable */;
 
-       if (robo.is_5350) {
+       if (!robo.is_5365) {
                u32 val32;
-               robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
+               robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
                /* actual read */
                val32 = robo_read32(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
                if ((val32 & (1 << 20)) /* valid */) {
@@ -448,7 +441,7 @@ static int handle_vlan_port_read(void *driver, char *buf, int nr)
                        len += sprintf(buf + len, "\n");
                }
        } else {
-               robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
+               robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5365, val16);
                /* actual read */
                val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
                if ((val16 & (1 << 14)) /* valid */) {
@@ -504,13 +497,13 @@ static int handle_vlan_port_write(void *driver, char *buf, int nr)
        }
 
        val16 = (nr) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
-       if (robo.is_5350) {
-               robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350,
-                       (1 << 20) /* valid */ | (c->untag << 6) | c->port);
-               robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
-       } else {
-               robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE,
+       if (robo.is_5365) {
+               robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5365,
                        (1 << 14)  /* valid */ | (c->untag << 7) | c->port);
+               robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5365, val16);
+       } else {
+               robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE,
+                       (1 << 20) /* valid */ | (c->untag << 6) | c->port);
                robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
        }
 
@@ -643,14 +636,14 @@ static int handle_reset(void *driver, char *buf, int nr)
        set_switch(0);
 
        /* reset vlans */
-       for (j = 0; j <= ((robo.is_5350) ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) {
+       for (j = 0; j <= ((robo.is_5365) ? VLAN_ID_MAX_5365 : VLAN_ID_MAX); j++) {
                /* write config now */
                val16 = (j) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
-               if (robo.is_5350)
-                       robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350, 0);
+               if (robo.is_5365)
+                       robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5365, 0);
                else
-                       robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, 0);
-               robo_write16(ROBO_VLAN_PAGE, robo.is_5350 ? ROBO_VLAN_TABLE_ACCESS_5350 :
+                       robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, 0);
+               robo_write16(ROBO_VLAN_PAGE, robo.is_5365 ? ROBO_VLAN_TABLE_ACCESS_5365 :
                                                            ROBO_VLAN_TABLE_ACCESS,
                             val16);
        }