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-rw-r--r--package/switch/src/switch-robo.c140
1 files changed, 42 insertions, 98 deletions
diff --git a/package/switch/src/switch-robo.c b/package/switch/src/switch-robo.c
index 7bac91942..656e69ff1 100644
--- a/package/switch/src/switch-robo.c
+++ b/package/switch/src/switch-robo.c
@@ -71,9 +71,7 @@
struct robo_switch {
char *device; /* The device name string (ethX) */
u16 devid; /* ROBO_DEVICE_ID_53xx */
- bool use_et;
bool is_5350;
- u8 phy_addr; /* PHY address of the device */
struct ifreq ifr;
struct net_device *dev;
unsigned char port[6];
@@ -83,20 +81,13 @@ struct robo_switch {
static struct robo_switch robo;
-static int do_ioctl(int cmd, void *buf)
+static int do_ioctl(int cmd)
{
mm_segment_t old_fs = get_fs();
int ret;
- if (buf != NULL)
- robo.ifr.ifr_data = (caddr_t) buf;
-
set_fs(KERNEL_DS);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31)
ret = robo.dev->netdev_ops->ndo_do_ioctl(robo.dev, &robo.ifr, cmd);
-#else
- ret = robo.dev->do_ioctl(robo.dev, &robo.ifr, cmd);
-#endif
set_fs(old_fs);
return ret;
@@ -104,71 +95,32 @@ static int do_ioctl(int cmd, void *buf)
static u16 mdio_read(__u16 phy_id, __u8 reg)
{
- if (robo.use_et) {
- int args[2] = { reg };
-
- if (phy_id != robo.phy_addr) {
- printk(KERN_ERR PFX
- "Access to real 'phy' registers unavaliable.\n"
- "Upgrade kernel driver.\n");
-
- return 0xffff;
- }
-
-
- if (do_ioctl(SIOCGETCPHYRD, &args) < 0) {
- printk(KERN_ERR PFX
- "[%s:%d] SIOCGETCPHYRD failed!\n", __FILE__, __LINE__);
- return 0xffff;
- }
-
- return args[1];
- } else {
- struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &robo.ifr.ifr_data;
- mii->phy_id = phy_id;
- mii->reg_num = reg;
+ struct mii_ioctl_data *mii = if_mii(&robo.ifr);
+ mii->phy_id = phy_id;
+ mii->reg_num = reg;
- if (do_ioctl(SIOCGMIIREG, NULL) < 0) {
- printk(KERN_ERR PFX
- "[%s:%d] SIOCGMIIREG failed!\n", __FILE__, __LINE__);
+ if (do_ioctl(SIOCGMIIREG) < 0) {
+ printk(KERN_ERR PFX
+ "[%s:%d] SIOCGMIIREG failed!\n", __FILE__, __LINE__);
- return 0xffff;
- }
-
- return mii->val_out;
+ return 0xffff;
}
+
+ return mii->val_out;
}
static void mdio_write(__u16 phy_id, __u8 reg, __u16 val)
{
- if (robo.use_et) {
- int args[2] = { reg, val };
+ struct mii_ioctl_data *mii = if_mii(&robo.ifr);
- if (phy_id != robo.phy_addr) {
- printk(KERN_ERR PFX
- "Access to real 'phy' registers unavaliable.\n"
- "Upgrade kernel driver.\n");
+ mii->phy_id = phy_id;
+ mii->reg_num = reg;
+ mii->val_in = val;
- return;
- }
-
- if (do_ioctl(SIOCSETCPHYWR, args) < 0) {
- printk(KERN_ERR PFX
- "[%s:%d] SIOCGETCPHYWR failed!\n", __FILE__, __LINE__);
- return;
- }
- } else {
- struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&robo.ifr.ifr_data;
-
- mii->phy_id = phy_id;
- mii->reg_num = reg;
- mii->val_in = val;
-
- if (do_ioctl(SIOCSMIIREG, NULL) < 0) {
- printk(KERN_ERR PFX
- "[%s:%d] SIOCSMIIREG failed!\n", __FILE__, __LINE__);
- return;
- }
+ if (do_ioctl(SIOCSMIIREG) < 0) {
+ printk(KERN_ERR PFX
+ "[%s:%d] SIOCSMIIREG failed!\n", __FILE__, __LINE__);
+ return;
}
}
@@ -177,16 +129,16 @@ static int robo_reg(__u8 page, __u8 reg, __u8 op)
int i = 3;
/* set page number */
- mdio_write(robo.phy_addr, REG_MII_PAGE,
+ mdio_write(ROBO_PHY_ADDR, REG_MII_PAGE,
(page << 8) | REG_MII_PAGE_ENABLE);
/* set register address */
- mdio_write(robo.phy_addr, REG_MII_ADDR,
+ mdio_write(ROBO_PHY_ADDR, REG_MII_ADDR,
(reg << 8) | op);
/* check if operation completed */
while (i--) {
- if ((mdio_read(robo.phy_addr, REG_MII_ADDR) & 3) == 0)
+ if ((mdio_read(ROBO_PHY_ADDR, REG_MII_ADDR) & 3) == 0)
return 0;
}
@@ -203,7 +155,7 @@ static void robo_read(__u8 page, __u8 reg, __u16 *val, int count)
robo_reg(page, reg, REG_MII_ADDR_READ);
for (i = 0; i < count; i++)
- val[i] = mdio_read(robo.phy_addr, REG_MII_DATA0 + i);
+ val[i] = mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + i);
}
*/
@@ -211,21 +163,21 @@ static __u16 robo_read16(__u8 page, __u8 reg)
{
robo_reg(page, reg, REG_MII_ADDR_READ);
- return mdio_read(robo.phy_addr, REG_MII_DATA0);
+ return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0);
}
static __u32 robo_read32(__u8 page, __u8 reg)
{
robo_reg(page, reg, REG_MII_ADDR_READ);
- return mdio_read(robo.phy_addr, REG_MII_DATA0) +
- (mdio_read(robo.phy_addr, REG_MII_DATA0 + 1) << 16);
+ return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0) +
+ (mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + 1) << 16);
}
static void robo_write16(__u8 page, __u8 reg, __u16 val16)
{
/* write data */
- mdio_write(robo.phy_addr, REG_MII_DATA0, val16);
+ mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val16);
robo_reg(page, reg, REG_MII_ADDR_WRITE);
}
@@ -233,8 +185,8 @@ static void robo_write16(__u8 page, __u8 reg, __u16 val16)
static void robo_write32(__u8 page, __u8 reg, __u32 val32)
{
/* write data */
- mdio_write(robo.phy_addr, REG_MII_DATA0, val32 & 65535);
- mdio_write(robo.phy_addr, REG_MII_DATA0 + 1, val32 >> 16);
+ mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val32 & 65535);
+ mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0 + 1, val32 >> 16);
robo_reg(page, reg, REG_MII_ADDR_WRITE);
}
@@ -308,11 +260,7 @@ static int robo_probe(char *devname)
printk(KERN_INFO PFX "Probing device %s: ", devname);
strcpy(robo.ifr.ifr_name, devname);
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
- if ((robo.dev = dev_get_by_name(devname)) == NULL) {
-#else
if ((robo.dev = dev_get_by_name(&init_net, devname)) == NULL) {
-#endif
printk("No such device\n");
return 1;
}
@@ -323,26 +271,22 @@ static int robo_probe(char *devname)
robo.port[5] = 8;
/* try access using MII ioctls - get phy address */
- if (do_ioctl(SIOCGMIIPHY, NULL) < 0) {
- robo.use_et = 1;
- robo.phy_addr = ROBO_PHY_ADDR;
- } else {
- /* got phy address check for robo address */
- struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &robo.ifr.ifr_data;
- if ((mii->phy_id != ROBO_PHY_ADDR) &&
- (mii->phy_id != ROBO_PHY_ADDR_BCM63XX) &&
- (mii->phy_id != ROBO_PHY_ADDR_TG3)) {
- printk("Invalid phy address (%d)\n", mii->phy_id);
- goto done;
- }
- robo.use_et = 0;
- /* The robo has a fixed PHY address that is different from the
- * Tigon3 and BCM63xx PHY address. */
- robo.phy_addr = ROBO_PHY_ADDR;
+ if (do_ioctl(SIOCGMIIPHY) < 0) {
+ printk("error while accessing MII phy registers with ioctls\n");
+ goto done;
+ }
+
+ /* got phy address check for robo address */
+ struct mii_ioctl_data *mii = if_mii(&robo.ifr);
+ if ((mii->phy_id != ROBO_PHY_ADDR) &&
+ (mii->phy_id != ROBO_PHY_ADDR_BCM63XX) &&
+ (mii->phy_id != ROBO_PHY_ADDR_TG3)) {
+ printk("Invalid phy address (%d)\n", mii->phy_id);
+ goto done;
}
- phyid = mdio_read(robo.phy_addr, 0x2) |
- (mdio_read(robo.phy_addr, 0x3) << 16);
+ phyid = mdio_read(ROBO_PHY_ADDR, 0x2) |
+ (mdio_read(ROBO_PHY_ADDR, 0x3) << 16);
if (phyid == 0xffffffff || phyid == 0x55210022) {
printk("No Robo switch in managed mode found, phy_id = 0x%08x\n", phyid);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 03:08:14 +0000