Lines Matching defs:am
23 static inline void ag71xx_mdio_wr(struct ag71xx_mdio *am, unsigned reg,
28 r = am->mdio_base + reg;
35 static inline u32 ag71xx_mdio_rr(struct ag71xx_mdio *am, unsigned reg)
37 return __raw_readl(am->mdio_base + reg);
40 static void ag71xx_mdio_dump_regs(struct ag71xx_mdio *am)
43 am->mii_bus->name,
44 ag71xx_mdio_rr(am, AG71XX_REG_MII_CFG),
45 ag71xx_mdio_rr(am, AG71XX_REG_MII_CMD),
46 ag71xx_mdio_rr(am, AG71XX_REG_MII_ADDR));
48 am->mii_bus->name,
49 ag71xx_mdio_rr(am, AG71XX_REG_MII_CTRL),
50 ag71xx_mdio_rr(am, AG71XX_REG_MII_STATUS),
51 ag71xx_mdio_rr(am, AG71XX_REG_MII_IND));
54 static int ag71xx_mdio_wait_busy(struct ag71xx_mdio *am)
63 busy = ag71xx_mdio_rr(am, AG71XX_REG_MII_IND);
70 pr_err("%s: MDIO operation timed out\n", am->mii_bus->name);
75 int ag71xx_mdio_mii_read(struct ag71xx_mdio *am, int addr, int reg)
80 err = ag71xx_mdio_wait_busy(am);
84 ag71xx_mdio_wr(am, AG71XX_REG_MII_CMD, MII_CMD_WRITE);
85 ag71xx_mdio_wr(am, AG71XX_REG_MII_ADDR,
87 ag71xx_mdio_wr(am, AG71XX_REG_MII_CMD, MII_CMD_READ);
89 err = ag71xx_mdio_wait_busy(am);
93 ret = ag71xx_mdio_rr(am, AG71XX_REG_MII_STATUS) & 0xffff;
94 ag71xx_mdio_wr(am, AG71XX_REG_MII_CMD, MII_CMD_WRITE);
101 void ag71xx_mdio_mii_write(struct ag71xx_mdio *am, int addr, int reg, u16 val)
105 ag71xx_mdio_wr(am, AG71XX_REG_MII_ADDR,
107 ag71xx_mdio_wr(am, AG71XX_REG_MII_CTRL, val);
109 ag71xx_mdio_wait_busy(am);
114 struct ag71xx_mdio *am = bus->priv;
117 if (am->pdata->is_ar7240)
119 else if (am->pdata->builtin_switch && !am->pdata->is_ar934x)
121 else if (!am->pdata->builtin_switch && am->pdata->is_ar934x)
126 ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG, t | MII_CFG_RESET);
129 ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG, t);
137 struct ag71xx_mdio *am = bus->priv;
139 if (am->pdata->builtin_switch)
142 return ag71xx_mdio_mii_read(am, addr, reg);
147 struct ag71xx_mdio *am = bus->priv;
149 if (am->pdata->builtin_switch)
152 ag71xx_mdio_mii_write(am, addr, reg, val);
159 struct ag71xx_mdio *am;
170 am = kzalloc(sizeof(*am), GFP_KERNEL);
171 if (!am) {
176 am->pdata = pdata;
185 am->mdio_base = ioremap_nocache(res->start, res->end - res->start + 1);
186 if (!am->mdio_base) {
192 am->mii_bus = mdiobus_alloc();
193 if (am->mii_bus == NULL) {
198 am->mii_bus->name = "ag71xx_mdio";
199 am->mii_bus->read = ag71xx_mdio_read;
200 am->mii_bus->write = ag71xx_mdio_write;
201 am->mii_bus->reset = ag71xx_mdio_reset;
202 am->mii_bus->irq = am->mii_irq;
203 am->mii_bus->priv = am;
204 am->mii_bus->parent = &pdev->dev;
205 snprintf(am->mii_bus->id, MII_BUS_ID_SIZE, "%s", dev_name(&pdev->dev));
206 am->mii_bus->phy_mask = pdata->phy_mask;
209 am->mii_irq[i] = PHY_POLL;
211 ag71xx_mdio_wr(am, AG71XX_REG_MAC_CFG1, 0);
213 err = mdiobus_register(am->mii_bus);
217 ag71xx_mdio_dump_regs(am);
219 platform_set_drvdata(pdev, am);
223 mdiobus_free(am->mii_bus);
225 iounmap(am->mdio_base);
227 kfree(am);
234 struct ag71xx_mdio *am = platform_get_drvdata(pdev);
236 if (am) {
237 mdiobus_unregister(am->mii_bus);
238 mdiobus_free(am->mii_bus);
239 iounmap(am->mdio_base);
240 kfree(am);