diff options
Diffstat (limited to 'target/linux/ar71xx/files/drivers')
| -rw-r--r-- | target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c | 48 |
1 files changed, 36 insertions, 12 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c index e96fe3626..c1b57a529 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c @@ -25,6 +25,8 @@ #define AR7240_MASK_CTRL_REVISION_M BITM(8) #define AR7240_MASK_CTRL_VERSION_M BITM(8) #define AR7240_MASK_CTRL_VERSION_S 8 +#define AR7240_MASK_CTRL_VERSION_AR7240 0x01 +#define AR7240_MASK_CTRL_VERSION_AR934X 0x02 #define AR7240_MASK_CTRL_SOFT_RESET BIT(31) #define AR7240_REG_MAC_ADDR0 0x20 @@ -192,6 +194,9 @@ #define AR7240_PHY_ID1 0x004d #define AR7240_PHY_ID2 0xd041 +#define AR934X_PHY_ID1 0x004d +#define AR934X_PHY_ID2 0xd042 + #define AR7240_MAX_VLANS 16 #define sw_to_ar7240(_dev) container_of(_dev, struct ar7240sw, swdev) @@ -201,6 +206,7 @@ struct ar7240sw { struct ag71xx_switch_platform_data *swdata; struct switch_dev swdev; int num_ports; + u8 ver; bool vlan; u16 vlan_id[AR7240_MAX_VLANS]; u8 vlan_table[AR7240_MAX_VLANS]; @@ -217,6 +223,16 @@ struct ar7240sw_hw_stat { static DEFINE_MUTEX(reg_mutex); +static inline int sw_is_ar7240(struct ar7240sw *as) +{ + return as->ver == AR7240_MASK_CTRL_VERSION_AR7240; +} + +static inline int sw_is_ar934x(struct ar7240sw *as) +{ + return as->ver == AR7240_MASK_CTRL_VERSION_AR934X; +} + static inline u32 ar7240sw_port_mask(struct ar7240sw *as, int port) { return BIT(port); @@ -851,12 +867,12 @@ static struct ar7240sw *ar7240_probe(struct ag71xx *ag) u32 ctrl; u16 phy_id1; u16 phy_id2; - u8 ver; int i; phy_id1 = ar7240sw_phy_read(mii, 0, MII_PHYSID1); phy_id2 = ar7240sw_phy_read(mii, 0, MII_PHYSID2); - if (phy_id1 != AR7240_PHY_ID1 || phy_id2 != AR7240_PHY_ID2) { + if ((phy_id1 != AR7240_PHY_ID1 || phy_id2 != AR7240_PHY_ID2) && + (phy_id1 != AR934X_PHY_ID1 || phy_id2 != AR934X_PHY_ID2)) { pr_err("%s: unknown phy id '%04x:%04x'\n", ag->dev->name, phy_id1, phy_id2); return NULL; @@ -869,27 +885,31 @@ static struct ar7240sw *ar7240_probe(struct ag71xx *ag) as->mii_bus = mii; as->swdata = pdata->switch_data; + swdev = &as->swdev; + ctrl = ar7240sw_reg_read(mii, AR7240_REG_MASK_CTRL); - ver = (ctrl >> AR7240_MASK_CTRL_VERSION_S) & AR7240_MASK_CTRL_VERSION_M; - if (ver != 1) { + as->ver = (ctrl >> AR7240_MASK_CTRL_VERSION_S) & + AR7240_MASK_CTRL_VERSION_M; + + if (sw_is_ar7240(as)) { + swdev->name = "AR7240/AR9330 built-in switch"; + } else if (sw_is_ar934x(as)) { + swdev->name = "AR934X built-in switch"; + } else { pr_err("%s: unsupported chip, ctrl=%08x\n", ag->dev->name, ctrl); - return NULL; + goto err_free; } - swdev = &as->swdev; - swdev->name = "AR7240 built-in switch"; swdev->ports = AR7240_NUM_PORTS - 1; swdev->cpu_port = AR7240_PORT_CPU; swdev->vlans = AR7240_MAX_VLANS; swdev->ops = &ar7240_ops; - if (register_switch(&as->swdev, ag->dev) < 0) { - kfree(as); - return NULL; - } + if (register_switch(&as->swdev, ag->dev) < 0) + goto err_free; - pr_info("%s: Found an AR7240 built-in switch\n", ag->dev->name); + pr_info("%s: Found an %s\n", ag->dev->name, swdev->name); /* initialize defaults */ for (i = 0; i < AR7240_MAX_VLANS; i++) @@ -898,6 +918,10 @@ static struct ar7240sw *ar7240_probe(struct ag71xx *ag) as->vlan_table[0] = ar7240sw_port_mask_all(as); return as; + +err_free: + kfree(as); + return NULL; } static void link_function(struct work_struct *work) { |