ar71xx_add_device_spi(NULL, ar71xx_generic_spi_info,
ARRAY_SIZE(ar71xx_generic_spi_info));
- ar71xx_add_device_eth(0, PHY_INTERFACE_MODE_MII, 0x001f0000);
- ar71xx_add_device_eth(1, PHY_INTERFACE_MODE_RMII, 0xffffffff);
+ ar71xx_add_device_mdio(0xffe0ffff);
+ ar71xx_add_device_eth(0, PHY_INTERFACE_MODE_MII, 0x000f0000);
+ ar71xx_add_device_eth(1, PHY_INTERFACE_MODE_RMII, 0x00100000);
ar71xx_add_device_usb();
{
rb4xx_add_device_spi();
+ ar71xx_add_device_mdio(0xfffffffe);
ar71xx_add_device_eth(0, PHY_INTERFACE_MODE_MII, 0x00000001);
platform_device_register(&rb4xx_leds_gpio_device);
{
rb433_add_device_spi();
- ar71xx_add_device_eth(0, PHY_INTERFACE_MODE_MII, 0x00000001);
- ar71xx_add_device_eth(1, PHY_INTERFACE_MODE_RMII, 0xffffffff);
+ ar71xx_add_device_mdio(0xffffffec);
+ ar71xx_add_device_eth(1, PHY_INTERFACE_MODE_RMII, 0x00000010);
+ ar71xx_add_device_eth(0, PHY_INTERFACE_MODE_MII, 0x00000003);
platform_device_register(&rb4xx_leds_gpio_device);
platform_device_register(&rb4xx_nand_device);
{
rb4xx_add_device_spi();
- ar71xx_add_device_eth(0, PHY_INTERFACE_MODE_MII, 0x00000001);
- ar71xx_add_device_eth(1, PHY_INTERFACE_MODE_RMII, 0xffffffff);
+ ar71xx_add_device_mdio(0xffffffe0);
+ ar71xx_add_device_eth(1, PHY_INTERFACE_MODE_RMII, 0x00000010);
+ ar71xx_add_device_eth(0, PHY_INTERFACE_MODE_MII, 0x0000000f);
platform_device_register(&rb4xx_leds_gpio_device);
platform_device_register(&rb4xx_nand_device);
{
ar71xx_add_device_spi(NULL, wp543_spi_info, ARRAY_SIZE(wp543_spi_info));
+ ar71xx_add_device_mdio(0xfffffffe);
ar71xx_add_device_eth(0, PHY_INTERFACE_MODE_MII, 0x00000001);
ar71xx_pci_init(ARRAY_SIZE(wp543_pci_irqs), wp543_pci_irqs);
}
#endif /* CONFIG_AR71XX_EARLY_SERIAL */
+static struct resource ar71xx_mdio_resources[] = {
+ {
+ .name = "mdio_base",
+ .flags = IORESOURCE_MEM,
+ .start = AR71XX_GE0_BASE + 0x20,
+ .end = AR71XX_GE0_BASE + 0x38 - 1,
+ }
+};
+
+static struct ag71xx_mdio_platform_data ar71xx_mdio_data = {
+ .phy_mask = 0xffffffff,
+};
+
+static struct platform_device ar71xx_mdio_device = {
+ .name = "ag71xx-mdio",
+ .id = -1,
+ .resource = ar71xx_mdio_resources,
+ .num_resources = ARRAY_SIZE(ar71xx_mdio_resources),
+ .dev = {
+ .platform_data = &ar71xx_mdio_data,
+ },
+};
+
+void __init ar71xx_add_device_mdio(u32 phy_mask)
+{
+ ar71xx_mdio_data.phy_mask = phy_mask;
+ platform_device_register(&ar71xx_mdio_device);
+}
+
static struct resource ar71xx_eth0_resources[] = {
{
.name = "mac_base",
.flags = IORESOURCE_MEM,
.start = AR71XX_GE0_BASE,
- .end = AR71XX_GE0_BASE + AR71XX_GE0_SIZE - 1,
+ .end = AR71XX_GE0_BASE + 0x20 - 1,
+ }, {
+ .name = "mac_base2",
+ .flags = IORESOURCE_MEM,
+ .start = AR71XX_GE0_BASE + 0x38,
+ .end = AR71XX_GE0_BASE + 0x200 - 1,
}, {
.name = "mii_ctrl",
.flags = IORESOURCE_MEM,
.name = "mac_base",
.flags = IORESOURCE_MEM,
.start = AR71XX_GE1_BASE,
- .end = AR71XX_GE1_BASE + AR71XX_GE1_SIZE - 1,
+ .end = AR71XX_GE1_BASE + 0x20 - 1,
+ }, {
+ .name = "mac_base2",
+ .flags = IORESOURCE_MEM,
+ .start = AR71XX_GE1_BASE + 0x38,
+ .end = AR71XX_GE1_BASE + 0x200 - 1,
}, {
.name = "mii_ctrl",
.flags = IORESOURCE_MEM,
},
};
+static int ar71xx_eth_instance __initdata;
void __init ar71xx_add_device_eth(unsigned int id, phy_interface_t phy_if_mode,
u32 phy_mask)
{
BUG();
}
memcpy(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, ETH_ALEN);
+ ar71xx_eth0_data.mac_addr[5] += ar71xx_eth_instance;
ar71xx_eth0_data.phy_if_mode = phy_if_mode;
ar71xx_eth0_data.phy_mask = phy_mask;
pdev = &ar71xx_eth0_device;
BUG();
}
memcpy(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, ETH_ALEN);
- ar71xx_eth1_data.mac_addr[5] += id;
+ ar71xx_eth1_data.mac_addr[5] += ar71xx_eth_instance;
ar71xx_eth1_data.phy_if_mode = phy_if_mode;
ar71xx_eth1_data.phy_mask = phy_mask;
pdev = &ar71xx_eth1_device;
break;
}
- if (pdev)
+ if (pdev) {
platform_device_register(pdev);
+ ar71xx_eth_instance++;
+ }
}
static struct resource ar71xx_spi_resources[] = {
obj-$(CONFIG_AG71XX) += ag71xx.o
-ag71xx-objs := ag71xx_main.o ag71xx_mii.o ag71xx_ethtool.o
+ag71xx-objs := ag71xx_main.o ag71xx_ethtool.o ag71xx_phy.o ag71xx_mdio.o
#define __AG71XX_H
#include <linux/kernel.h>
+#include <linux/version.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#define ETH_FCS_LEN 4
#define AG71XX_DRV_NAME "ag71xx"
-#define AG71XX_DRV_VERSION "0.3.10"
+#define AG71XX_DRV_VERSION "0.4.0"
#define AG71XX_NAPI_TX 1
#define AG71XX_RX_RING_SIZE 128
-#undef DEBUG
-#ifdef DEBUG
+#undef AG71XX_DEBUG
+#ifdef AG71XX_DEBUG
#define DBG(fmt, args...) printk(KERN_DEBUG fmt, ## args)
#else
#define DBG(fmt, args...) do {} while (0)
unsigned int size;
};
+struct ag71xx_mdio {
+ struct mii_bus mii_bus;
+ int mii_irq[PHY_MAX_ADDR];
+ void __iomem *mdio_base;
+};
+
struct ag71xx {
void __iomem *mac_base;
+ void __iomem *mac_base2;
void __iomem *mii_ctrl;
spinlock_t lock;
struct ag71xx_ring rx_ring;
struct ag71xx_ring tx_ring;
+ struct mii_bus *mii_bus;
struct phy_device *phy_dev;
- struct mii_bus mii_bus;
unsigned int link;
unsigned int speed;
extern struct ethtool_ops ag71xx_ethtool_ops;
-extern int ag71xx_mdio_init(struct ag71xx *ag, int id);
-extern void ag71xx_mdio_cleanup(struct ag71xx *ag);
-extern int ag71xx_mii_peek(struct ag71xx *ag);
-extern void ag71xx_mii_ctrl_set_if(struct ag71xx *ag, unsigned int mii_if);
-extern void ag71xx_mii_ctrl_set_speed(struct ag71xx *ag, unsigned int speed);
-extern void ag71xx_link_update(struct ag71xx *ag);
+extern struct ag71xx_mdio *ag71xx_mdio_bus;
+extern int ag71xx_mdio_driver_init(void) __init;
+extern void ag71xx_mdio_driver_exit(void);
+
+extern int ag71xx_phy_connect(struct ag71xx *ag);
+extern void ag71xx_phy_disconnect(struct ag71xx *ag);
+extern void ag71xx_phy_start(struct ag71xx *ag);
+extern void ag71xx_phy_stop(struct ag71xx *ag);
static inline struct ag71xx_platform_data *ag71xx_get_pdata(struct ag71xx *ag)
{
return ag->pdev->dev.platform_data;
}
-static inline void ag71xx_wr(struct ag71xx *ag, unsigned reg, u32 value)
-{
- __raw_writel(value, ag->mac_base + reg);
-}
-
-static inline u32 ag71xx_rr(struct ag71xx *ag, unsigned reg)
-{
- return __raw_readl(ag->mac_base + reg);
-}
-
-static inline void ag71xx_sb(struct ag71xx *ag, unsigned reg, u32 mask)
-{
- void __iomem *r = ag->mac_base + reg;
-
- __raw_writel(__raw_readl(r) | mask, r);
-}
-
-static inline void ag71xx_cb(struct ag71xx *ag, unsigned reg, u32 mask)
-{
- void __iomem *r = ag->mac_base + reg;
-
- __raw_writel(__raw_readl(r) & ~mask, r);
-}
-
static inline int ag71xx_desc_empty(struct ag71xx_desc *desc)
{
return ((desc->ctrl & DESC_EMPTY) != 0);
#define MII_CFG_CLK_DIV_14 5
#define MII_CFG_CLK_DIV_20 6
#define MII_CFG_CLK_DIV_28 7
+#define MII_CFG_RESET BIT(31)
#define MII_CMD_WRITE 0x0
#define MII_CMD_READ 0x1
#define FIFO_CFG5_BYTE_PER_CLK BIT(19)
-#define MII_CTRL_SPEED_S 4
-#define MII_CTRL_SPEED_M 3
+#define MII_CTRL_IF_MASK 3
+#define MII_CTRL_SPEED_SHIFT 4
+#define MII_CTRL_SPEED_MASK 3
#define MII_CTRL_SPEED_10 0
#define MII_CTRL_SPEED_100 1
#define MII_CTRL_SPEED_1000 2
+static inline void ag71xx_wr(struct ag71xx *ag, unsigned reg, u32 value)
+{
+ switch (reg) {
+ case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
+ __raw_writel(value, ag->mac_base + reg);
+ break;
+ case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
+ reg -= AG71XX_REG_MAC_IFCTL;
+ __raw_writel(value, ag->mac_base2 + reg);
+ break;
+ default:
+ BUG();
+ }
+}
+
+static inline u32 ag71xx_rr(struct ag71xx *ag, unsigned reg)
+{
+ u32 ret;
+
+ switch (reg) {
+ case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
+ ret = __raw_readl(ag->mac_base + reg);
+ break;
+ case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
+ reg -= AG71XX_REG_MAC_IFCTL;
+ ret = __raw_readl(ag->mac_base2 + reg);
+ break;
+ }
+
+ return ret;
+}
+
+static inline void ag71xx_sb(struct ag71xx *ag, unsigned reg, u32 mask)
+{
+ void __iomem *r;
+
+ switch (reg) {
+ case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
+ r = ag->mac_base + reg;
+ __raw_writel(__raw_readl(r) | mask, r);
+ break;
+ case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
+ r = ag->mac_base2 + reg - AG71XX_REG_MAC_IFCTL;
+ __raw_writel(__raw_readl(r) | mask, r);
+ break;
+ default:
+ BUG();
+ }
+}
+
+static inline void ag71xx_cb(struct ag71xx *ag, unsigned reg, u32 mask)
+{
+ void __iomem *r;
+
+ switch (reg) {
+ case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
+ r = ag->mac_base + reg;
+ __raw_writel(__raw_readl(r) & ~mask, r);
+ break;
+ case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
+ r = ag->mac_base2 + reg - AG71XX_REG_MAC_IFCTL;
+ __raw_writel(__raw_readl(r) & ~mask, r);
+ break;
+ default:
+ BUG();
+ }
+}
+
static inline void ag71xx_int_enable(struct ag71xx *ag, u32 ints)
{
ag71xx_sb(ag, AG71XX_REG_INT_ENABLE, ints);
ag71xx_cb(ag, AG71XX_REG_INT_ENABLE, ints);
}
+static inline void ag71xx_mii_ctrl_wr(struct ag71xx *ag, u32 value)
+{
+ __raw_writel(value, ag->mii_ctrl);
+}
+
+static inline u32 ag71xx_mii_ctrl_rr(struct ag71xx *ag)
+{
+ return __raw_readl(ag->mii_ctrl);
+}
+
+static void inline ag71xx_mii_ctrl_set_if(struct ag71xx *ag,
+ unsigned int mii_if)
+{
+ u32 t;
+
+ t = ag71xx_mii_ctrl_rr(ag);
+ t &= ~(MII_CTRL_IF_MASK);
+ t |= (mii_if & MII_CTRL_IF_MASK);
+ ag71xx_mii_ctrl_wr(ag, t);
+}
+
+static void inline ag71xx_mii_ctrl_set_speed(struct ag71xx *ag,
+ unsigned int speed)
+{
+ u32 t;
+
+ t = ag71xx_mii_ctrl_rr(ag);
+ t &= ~(MII_CTRL_SPEED_MASK << MII_CTRL_SPEED_SHIFT);
+ t |= (speed & MII_CTRL_SPEED_MASK) << MII_CTRL_SPEED_SHIFT;
+ ag71xx_mii_ctrl_wr(ag, t);
+}
+
#endif /* _AG71XX_H */
ag71xx_rr(ag, AG71XX_REG_MAC_IPG),
ag71xx_rr(ag, AG71XX_REG_MAC_HDX),
ag71xx_rr(ag, AG71XX_REG_MAC_MFL));
- DBG("%s: mii_cfg=%08x, mii_cmd=%08x, mii_addr=%08x\n",
- ag->dev->name,
- ag71xx_rr(ag, AG71XX_REG_MII_CFG),
- ag71xx_rr(ag, AG71XX_REG_MII_CMD),
- ag71xx_rr(ag, AG71XX_REG_MII_ADDR));
- DBG("%s: mii_ctrl=%08x, mii_status=%08x, mii_ind=%08x\n",
- ag->dev->name,
- ag71xx_rr(ag, AG71XX_REG_MII_CTRL),
- ag71xx_rr(ag, AG71XX_REG_MII_STATUS),
- ag71xx_rr(ag, AG71XX_REG_MII_IND));
DBG("%s: mac_ifctl=%08x, mac_addr1=%08x, mac_addr2=%08x\n",
ag->dev->name,
ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL),
ag71xx_mii_ctrl_set_if(ag, pdata->mii_if);
- ag71xx_wr(ag, AG71XX_REG_MII_CFG, MII_CFG_CLK_DIV_28);
-
ag71xx_wr(ag, AG71XX_REG_FIFO_CFG1, 0x0fff0000);
ag71xx_wr(ag, AG71XX_REG_FIFO_CFG2, 0x00001fff);
ag71xx_wr(ag, AG71XX_REG_FIFO_CFG4, 0x0000ffff);
napi_enable(&ag->napi);
netif_carrier_off(dev);
- if (ag->phy_dev) {
- phy_start(ag->phy_dev);
- } else {
- ag->duplex = DUPLEX_FULL;
- ag->speed = SPEED_100;
- ag->link = 1;
- ag71xx_link_update(ag);
- }
+ ag71xx_phy_start(ag);
ag71xx_wr(ag, AG71XX_REG_TX_DESC, ag->tx_ring.descs_dma);
ag71xx_wr(ag, AG71XX_REG_RX_DESC, ag->rx_ring.descs_dma);
ag71xx_hw_stop(ag);
netif_carrier_off(dev);
- if (ag->phy_dev) {
- phy_stop(ag->phy_dev);
- } else {
- ag->duplex = -1;
- ag->link = 0;
- ag->speed = 0;
- ag71xx_link_update(ag);
- }
+ ag71xx_phy_stop(ag);
napi_disable(&ag->napi);
ag = netdev_priv(dev);
ag->pdev = pdev;
ag->dev = dev;
+ ag->mii_bus = &ag71xx_mdio_bus->mii_bus;
spin_lock_init(&ag->lock);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mac_base");
goto err_free_dev;
}
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mac_base2");
+ if (!res) {
+ dev_err(&pdev->dev, "no mac_base2 resource found\n");
+ err = -ENXIO;
+ goto err_unmap_base1;
+ }
+
+ ag->mac_base2 = ioremap_nocache(res->start, res->end - res->start + 1);
+ if (!ag->mac_base) {
+ dev_err(&pdev->dev, "unable to ioremap mac_base2\n");
+ err = -ENOMEM;
+ goto err_unmap_base1;
+ }
+
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mii_ctrl");
if (!res) {
dev_err(&pdev->dev, "no mii_ctrl resource found\n");
err = -ENXIO;
- goto err_unmap_base;
+ goto err_unmap_base2;
}
ag->mii_ctrl = ioremap_nocache(res->start, res->end - res->start + 1);
if (!ag->mii_ctrl) {
dev_err(&pdev->dev, "unable to ioremap mii_ctrl\n");
err = -ENOMEM;
- goto err_unmap_base;
+ goto err_unmap_base2;
}
dev->irq = platform_get_irq(pdev, 0);
ag71xx_dump_regs(ag);
- err = ag71xx_mdio_init(ag, pdev->id);
+ /* Reset the mdio bus explicitly */
+ if (ag->mii_bus) {
+ mutex_lock(&ag->mii_bus->mdio_lock);
+ ag->mii_bus->reset(ag->mii_bus);
+ mutex_unlock(&ag->mii_bus->mdio_lock);
+ }
+
+ err = ag71xx_phy_connect(ag);
if (err)
goto err_unregister_netdev;
free_irq(dev->irq, dev);
err_unmap_mii_ctrl:
iounmap(ag->mii_ctrl);
-err_unmap_base:
+err_unmap_base2:
+ iounmap(ag->mac_base2);
+err_unmap_base1:
iounmap(ag->mac_base);
err_free_dev:
kfree(dev);
if (dev) {
struct ag71xx *ag = netdev_priv(dev);
- if (ag->phy_dev)
- phy_disconnect(ag->phy_dev);
- ag71xx_mdio_cleanup(ag);
+ ag71xx_phy_disconnect(ag);
unregister_netdev(dev);
free_irq(dev->irq, dev);
iounmap(ag->mii_ctrl);
+ iounmap(ag->mac_base2);
iounmap(ag->mac_base);
kfree(dev);
platform_set_drvdata(pdev, NULL);
static int __init ag71xx_module_init(void)
{
- return platform_driver_register(&ag71xx_driver);
+ int ret;
+
+ ret = ag71xx_mdio_driver_init();
+ if (ret)
+ goto err_out;
+
+ ret = platform_driver_register(&ag71xx_driver);
+ if (ret)
+ goto err_mdio_exit;
+
+ return 0;
+
+err_mdio_exit:
+ ag71xx_mdio_driver_exit();
+err_out:
+ return ret;
}
static void __exit ag71xx_module_exit(void)
--- /dev/null
+/*
+ * Atheros AR71xx built-in ethernet mac driver
+ *
+ * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * Based on Atheros' AG7100 driver
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ag71xx.h"
+
+#define AG71XX_MDIO_RETRY 1000
+#define AG71XX_MDIO_DELAY 5
+
+struct ag71xx_mdio *ag71xx_mdio_bus;
+
+static inline void ag71xx_mdio_wr(struct ag71xx_mdio *am, unsigned reg,
+ u32 value)
+{
+ __raw_writel(value, am->mdio_base + reg - AG71XX_REG_MII_CFG);
+}
+
+static inline u32 ag71xx_mdio_rr(struct ag71xx_mdio *am, unsigned reg)
+{
+ return __raw_readl(am->mdio_base + reg - AG71XX_REG_MII_CFG);
+}
+
+static void ag71xx_mdio_dump_regs(struct ag71xx_mdio *am)
+{
+ DBG("%s: mii_cfg=%08x, mii_cmd=%08x, mii_addr=%08x\n",
+ am->mii_bus.name,
+ ag71xx_mdio_rr(am, AG71XX_REG_MII_CFG),
+ ag71xx_mdio_rr(am, AG71XX_REG_MII_CMD),
+ ag71xx_mdio_rr(am, AG71XX_REG_MII_ADDR));
+ DBG("%s: mii_ctrl=%08x, mii_status=%08x, mii_ind=%08x\n",
+ am->mii_bus.name,
+ ag71xx_mdio_rr(am, AG71XX_REG_MII_CTRL),
+ ag71xx_mdio_rr(am, AG71XX_REG_MII_STATUS),
+ ag71xx_mdio_rr(am, AG71XX_REG_MII_IND));
+}
+
+static int ag71xx_mdio_mii_read(struct ag71xx_mdio *am, int addr, int reg)
+{
+ int ret;
+ int i;
+
+ ag71xx_mdio_wr(am, AG71XX_REG_MII_CMD, MII_CMD_WRITE);
+ ag71xx_mdio_wr(am, AG71XX_REG_MII_ADDR,
+ ((addr & 0xff) << MII_ADDR_S) | (reg & 0xff));
+ ag71xx_mdio_wr(am, AG71XX_REG_MII_CMD, MII_CMD_READ);
+
+ i = AG71XX_MDIO_RETRY;
+ while (ag71xx_mdio_rr(am, AG71XX_REG_MII_IND) & MII_IND_BUSY) {
+ if (i-- == 0) {
+ printk(KERN_ERR "%s: mii_read timed out\n",
+ am->mii_bus.name);
+ ret = 0xffff;
+ goto out;
+ }
+ udelay(AG71XX_MDIO_DELAY);
+ }
+
+ ret = ag71xx_mdio_rr(am, AG71XX_REG_MII_STATUS) & 0xffff;
+ ag71xx_mdio_wr(am, AG71XX_REG_MII_CMD, MII_CMD_WRITE);
+
+ DBG("mii_read: addr=%04x, reg=%04x, value=%04x\n", addr, reg, ret);
+
+out:
+ return ret;
+}
+
+static void ag71xx_mdio_mii_write(struct ag71xx_mdio *am,
+ int addr, int reg, u16 val)
+{
+ int i;
+
+ DBG("mii_write: addr=%04x, reg=%04x, value=%04x\n", addr, reg, val);
+
+ ag71xx_mdio_wr(am, AG71XX_REG_MII_ADDR,
+ ((addr & 0xff) << MII_ADDR_S) | (reg & 0xff));
+ ag71xx_mdio_wr(am, AG71XX_REG_MII_CTRL, val);
+
+ i = AG71XX_MDIO_RETRY;
+ while (ag71xx_mdio_rr(am, AG71XX_REG_MII_IND) & MII_IND_BUSY) {
+ if (i-- == 0) {
+ printk(KERN_ERR "%s: mii_write timed out\n",
+ am->mii_bus.name);
+ break;
+ }
+ udelay(AG71XX_MDIO_DELAY);
+ }
+}
+
+static int ag71xx_mdio_reset(struct mii_bus *bus)
+{
+ struct ag71xx_mdio *am = bus->priv;
+
+ ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG, MII_CFG_RESET);
+ udelay(100);
+
+ ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG, MII_CFG_CLK_DIV_28);
+ udelay(100);
+
+ return 0;
+}
+
+static int ag71xx_mdio_read(struct mii_bus *bus, int addr, int reg)
+{
+ struct ag71xx_mdio *am = bus->priv;
+
+ return ag71xx_mdio_mii_read(am, addr, reg);
+}
+
+static int ag71xx_mdio_write(struct mii_bus *bus, int addr, int reg, u16 val)
+{
+ struct ag71xx_mdio *am = bus->priv;
+
+ ag71xx_mdio_mii_write(am, addr, reg, val);
+ return 0;
+}
+
+static int __init ag71xx_mdio_probe(struct platform_device *pdev)
+{
+ struct ag71xx_mdio_platform_data *pdata;
+ struct ag71xx_mdio *am;
+ struct resource *res;
+ int i;
+ int err;
+
+ if (ag71xx_mdio_bus)
+ return -EBUSY;
+
+ am = kzalloc(sizeof(*am), GFP_KERNEL);
+ if (!am) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "no iomem resource found\n");
+ err = -ENXIO;
+ goto err_out;
+ }
+
+ am->mdio_base = ioremap_nocache(res->start, res->end - res->start + 1);
+ if (!am->mdio_base) {
+ dev_err(&pdev->dev, "unable to ioremap registers\n");
+ err = -ENOMEM;
+ goto err_free_mdio;
+ }
+
+ am->mii_bus.name = "ag71xx_mdio";
+ am->mii_bus.read = ag71xx_mdio_read;
+ am->mii_bus.write = ag71xx_mdio_write;
+ am->mii_bus.reset = ag71xx_mdio_reset;
+ am->mii_bus.irq = am->mii_irq;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26))
+ am->mii_bus.id = 0;
+#else
+ snprintf(am->mii_bus.id, MII_BUS_ID_SIZE, "%x", 0);
+#endif
+ am->mii_bus.priv = am;
+ am->mii_bus.dev = &pdev->dev;
+
+ pdata = pdev->dev.platform_data;
+ if (pdata)
+ am->mii_bus.phy_mask = pdata->phy_mask;
+
+ for (i = 0; i < PHY_MAX_ADDR; i++)
+ am->mii_irq[i] = PHY_POLL;
+
+ err = mdiobus_register(&am->mii_bus);
+ if (err)
+ goto err_iounmap;
+
+ ag71xx_mdio_dump_regs(am);
+
+ platform_set_drvdata(pdev, am);
+ ag71xx_mdio_bus = am;
+ return 0;
+
+err_iounmap:
+ iounmap(am->mdio_base);
+err_free_mdio:
+ kfree(am);
+err_out:
+ return err;
+}
+
+static int __exit ag71xx_mdio_remove(struct platform_device *pdev)
+{
+ struct ag71xx_mdio *am = platform_get_drvdata(pdev);
+
+ if (am) {
+ ag71xx_mdio_bus = NULL;
+ mdiobus_unregister(&am->mii_bus);
+ iounmap(am->mdio_base);
+ kfree(am);
+ platform_set_drvdata(pdev, NULL);
+ }
+
+ return 0;
+}
+
+static struct platform_driver ag71xx_mdio_driver = {
+ .probe = ag71xx_mdio_probe,
+ .remove = __exit_p(ag71xx_mdio_remove),
+ .driver = {
+ .name = "ag71xx-mdio",
+ }
+};
+
+int ag71xx_mdio_driver_init(void)
+{
+ return platform_driver_register(&ag71xx_mdio_driver);
+}
+
+void ag71xx_mdio_driver_exit(void)
+{
+ platform_driver_unregister(&ag71xx_mdio_driver);
+}
+++ /dev/null
-/*
- * Atheros AR71xx built-in ethernet mac driver
- *
- * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- *
- * Based on Atheros' AG7100 driver
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- */
-
-#include "ag71xx.h"
-
-#define AG71XX_MII_RETRY 1000
-#define AG71XX_MII_DELAY 5
-
-static inline void ag71xx_mii_ctrl_wr(struct ag71xx *ag, u32 value)
-{
- __raw_writel(value, ag->mii_ctrl);
-}
-
-static inline u32 ag71xx_mii_ctrl_rr(struct ag71xx *ag)
-{
- return __raw_readl(ag->mii_ctrl);
-}
-
-void ag71xx_mii_ctrl_set_if(struct ag71xx *ag, unsigned int mii_if)
-{
- u32 t;
-
- t = ag71xx_mii_ctrl_rr(ag);
- t &= ~(0x3);
- t |= (mii_if & 0x3);
- ag71xx_mii_ctrl_wr(ag, t);
-}
-
-void ag71xx_mii_ctrl_set_speed(struct ag71xx *ag, unsigned int speed)
-{
- u32 t;
-
- t = ag71xx_mii_ctrl_rr(ag);
- t &= ~(0x3 << 4);
- t |= (speed & 0x3) << 4;
- ag71xx_mii_ctrl_wr(ag, t);
-}
-
-static int ag71xx_mii_read(struct ag71xx *ag, int addr, int reg)
-{
- int ret;
- int i;
-
- ag71xx_wr(ag, AG71XX_REG_MII_CMD, MII_CMD_WRITE);
- ag71xx_wr(ag, AG71XX_REG_MII_ADDR,
- ((addr & 0xff) << MII_ADDR_S) | (reg & 0xff));
- ag71xx_wr(ag, AG71XX_REG_MII_CMD, MII_CMD_READ);
-
- i = AG71XX_MII_RETRY;
- while (ag71xx_rr(ag, AG71XX_REG_MII_IND) & MII_IND_BUSY) {
- if (i-- == 0) {
- printk(KERN_ERR "%s: mii_read timed out\n",
- ag->dev->name);
- ret = 0xffff;
- goto out;
- }
- udelay(AG71XX_MII_DELAY);
- }
-
- ret = ag71xx_rr(ag, AG71XX_REG_MII_STATUS) & 0xffff;
- ag71xx_wr(ag, AG71XX_REG_MII_CMD, MII_CMD_WRITE);
-
- DBG("mii_read: addr=%04x, reg=%04x, value=%04x\n", addr, reg, ret);
-
-out:
- return ret;
-}
-
-static void ag71xx_mii_write(struct ag71xx *ag, int addr, int reg, u16 val)
-{
- int i;
-
- DBG("mii_write: addr=%04x, reg=%04x, value=%04x\n", addr, reg, val);
-
- ag71xx_wr(ag, AG71XX_REG_MII_ADDR,
- ((addr & 0xff) << MII_ADDR_S) | (reg & 0xff));
- ag71xx_wr(ag, AG71XX_REG_MII_CTRL, val);
-
- i = AG71XX_MII_RETRY;
- while (ag71xx_rr(ag, AG71XX_REG_MII_IND) & MII_IND_BUSY) {
- if (i-- == 0) {
- printk(KERN_ERR "%s: mii_write timed out\n",
- ag->dev->name);
- break;
- }
- udelay(AG71XX_MII_DELAY);
- }
-}
-
-int ag71xx_mii_peek(struct ag71xx *ag)
-{
- int cnt;
- int i;
-
- cnt = 0;
- for (i = 0; i < PHY_MAX_ADDR; i++) {
- u16 bmsr, id1, id2, bmcr, advert, lpa;
-
- bmsr = ag71xx_mii_read(ag, i, MII_BMSR);
- bmcr = ag71xx_mii_read(ag, i, MII_BMCR);
- id1 = ag71xx_mii_read(ag, i, MII_PHYSID1);
- id2 = ag71xx_mii_read(ag, i, MII_PHYSID2);
- advert = ag71xx_mii_read(ag, i, MII_ADVERTISE);
- lpa = ag71xx_mii_read(ag, i, MII_LPA);
- DBG("%s: phy%02d bmsr=%04x, bmcr=%04x, "
- "id=%04x.%04x, advertise=%04x, lpa=%04x\n",
- ag->dev->name, i,
- bmsr, bmcr, id1, id2, advert, lpa);
-
- if ((bmsr | bmcr | id1 | id2 | advert | lpa) != 0)
- cnt++;
- }
-
- return cnt;
-}
-
-#define PLL_SEC_CONFIG 0x18050004
-#define PLL_ETH0_INT_CLOCK 0x18050010
-#define PLL_ETH1_INT_CLOCK 0x18050014
-#define PLL_ETH_EXT_CLOCK 0x18050018
-
-#define ag7100_pll_shift(_ag) (((_ag)->pdev->id) ? 19 : 17)
-#define ag7100_pll_offset(_ag) (((_ag)->pdev->id) ? PLL_ETH1_INT_CLOCK \
- : PLL_ETH0_INT_CLOCK)
-
-static void ag71xx_set_pll(struct ag71xx *ag, u32 pll_val)
-{
- void __iomem *pll_reg = ioremap_nocache(ag7100_pll_offset(ag), 4);
- void __iomem *pll_cfg = ioremap_nocache(PLL_SEC_CONFIG, 4);
- u32 s;
- u32 t;
-
- s = ag7100_pll_shift(ag);
-
- t = __raw_readl(pll_cfg);
- t &= ~(3 << s);
- t |= (2 << s);
- __raw_writel(t, pll_cfg);
- udelay(100);
-
- __raw_writel(pll_val, pll_reg);
-
- t |= (3 << s);
- __raw_writel(t, pll_cfg);
- udelay(100);
-
- t &= ~(3 << s);
- __raw_writel(t, pll_cfg);
- udelay(100);
- DBG("%s: pll_reg %#x: %#x\n", ag->dev->name,
- (unsigned int)pll_reg, __raw_readl(pll_reg));
-
- iounmap(pll_cfg);
- iounmap(pll_reg);
-}
-
-static unsigned char *ag71xx_speed_str(struct ag71xx *ag)
-{
- switch (ag->speed) {
- case SPEED_1000:
- return "1000";
- case SPEED_100:
- return "100";
- case SPEED_10:
- return "10";
- }
-
- return "?";
-}
-
-#if 1
-#define PLL_VAL_1000 0x00110000
-#define PLL_VAL_100 0x00001099
-#define PLL_VAL_10 0x00991099
-#else
-#define PLL_VAL_1000 0x01111000
-#define PLL_VAL_100 0x09991000
-#define PLL_VAL_10 0x09991999
-#endif
-
-void ag71xx_link_update(struct ag71xx *ag)
-{
- u32 cfg2;
- u32 ifctl;
- u32 pll;
- u32 fifo5;
- u32 mii_speed;
-
- if (!ag->link) {
- netif_carrier_off(ag->dev);
- printk(KERN_INFO "%s: link down\n", ag->dev->name);
- return;
- }
-
- cfg2 = ag71xx_rr(ag, AG71XX_REG_MAC_CFG2);
- cfg2 &= ~(MAC_CFG2_IF_1000 | MAC_CFG2_IF_10_100 | MAC_CFG2_FDX);
- cfg2 |= (ag->duplex) ? MAC_CFG2_FDX : 0;
-
- ifctl = ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL);
- ifctl &= ~(MAC_IFCTL_SPEED);
-
- fifo5 = ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5);
- fifo5 &= ~FIFO_CFG5_BYTE_PER_CLK;
-
- switch (ag->speed) {
- case SPEED_1000:
- mii_speed = MII_CTRL_SPEED_1000;
- cfg2 |= MAC_CFG2_IF_1000;
- pll = PLL_VAL_1000;
- fifo5 |= FIFO_CFG5_BYTE_PER_CLK;
- break;
- case SPEED_100:
- mii_speed = MII_CTRL_SPEED_100;
- cfg2 |= MAC_CFG2_IF_10_100;
- ifctl |= MAC_IFCTL_SPEED;
- pll = PLL_VAL_100;
- break;
- case SPEED_10:
- mii_speed = MII_CTRL_SPEED_10;
- cfg2 |= MAC_CFG2_IF_10_100;
- pll = PLL_VAL_10;
- break;
- default:
- BUG();
- return;
- }
-
- ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, 0x008001ff);
- ag71xx_set_pll(ag, pll);
- ag71xx_mii_ctrl_set_speed(ag, mii_speed);
-
- ag71xx_wr(ag, AG71XX_REG_MAC_CFG2, cfg2);
- ag71xx_wr(ag, AG71XX_REG_FIFO_CFG5, fifo5);
- ag71xx_wr(ag, AG71XX_REG_MAC_IFCTL, ifctl);
-
- netif_carrier_on(ag->dev);
- printk(KERN_INFO "%s: link up (%sMbps/%s duplex)\n",
- ag->dev->name,
- ag71xx_speed_str(ag),
- (DUPLEX_FULL == ag->duplex) ? "Full" : "Half");
-
- DBG("%s: fifo1=%#x, fifo2=%#x, fifo3=%#x, fifo4=%#x, fifo5=%#x\n",
- ag->dev->name,
- ag71xx_rr(ag, AG71XX_REG_FIFO_CFG1),
- ag71xx_rr(ag, AG71XX_REG_FIFO_CFG2),
- ag71xx_rr(ag, AG71XX_REG_FIFO_CFG3),
- ag71xx_rr(ag, AG71XX_REG_FIFO_CFG4),
- ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5));
-
- DBG("%s: mac_cfg2=%#x, ifctl=%#x, mii_ctrl=%#x\n",
- ag->dev->name,
- ag71xx_rr(ag, AG71XX_REG_MAC_CFG2),
- ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL),
- ag71xx_mii_ctrl_rr(ag));
-}
-
-static void ag71xx_link_adjust(struct net_device *dev)
-{
- struct ag71xx *ag = netdev_priv(dev);
- struct phy_device *phydev = ag->phy_dev;
- unsigned long flags;
- int status_change = 0;
-
- spin_lock_irqsave(&ag->lock, flags);
-
- if (phydev->link) {
- if (ag->duplex != phydev->duplex
- || ag->speed != phydev->speed) {
- status_change = 1;
- }
- }
-
- if (phydev->link != ag->link) {
- if (phydev->link)
- netif_schedule(dev);
-
- status_change = 1;
- }
-
- ag->link = phydev->link;
- ag->duplex = phydev->duplex;
- ag->speed = phydev->speed;
-
- if (status_change)
- ag71xx_link_update(ag);
-
- spin_unlock_irqrestore(&ag->lock, flags);
-}
-
-static int ag71xx_mdio_read(struct mii_bus *bus, int addr, int reg)
-{
- struct ag71xx *ag = bus->priv;
-
- return ag71xx_mii_read(ag, addr, reg);
-}
-
-static int ag71xx_mdio_write(struct mii_bus *bus, int addr, int reg, u16 val)
-{
- struct ag71xx *ag = bus->priv;
-
- ag71xx_mii_write(ag, addr, reg, val);
- return 0;
-}
-
-static int ag71xx_mdio_reset(struct mii_bus *bus)
-{
- /* TODO */
- return 0;
-}
-
-static int ag71xx_mdio_probe(struct ag71xx *ag)
-{
- struct net_device *dev = ag->dev;
- struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
- struct phy_device *phydev = NULL;
- int phy_count = 0;
- int phy_addr;
-
- for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
- if (!(pdata->phy_mask & (1 << phy_addr)))
- continue;
-
- if (ag->mii_bus.phy_map[phy_addr] == NULL)
- continue;
-
- DBG("%s: PHY found at %s, uid=%08x\n",
- dev->name,
- ag->mii_bus.phy_map[phy_addr]->dev.bus_id,
- ag->mii_bus.phy_map[phy_addr]->phy_id);
-
- if (phydev == NULL)
- phydev = ag->mii_bus.phy_map[phy_addr];
-
- phy_count++;
- }
-
- switch (phy_count) {
- case 0:
- printk(KERN_ERR "%s: no PHY found\n", dev->name);
- return -ENODEV;
- case 1:
- ag->phy_dev = phy_connect(dev, phydev->dev.bus_id,
- &ag71xx_link_adjust, 0, pdata->phy_if_mode);
-
- if (IS_ERR(ag->phy_dev)) {
- printk(KERN_ERR "%s: could not connect to PHY at %s\n",
- dev->name, phydev->dev.bus_id);
- return PTR_ERR(ag->phy_dev);
- }
-
- /* mask with MAC supported features */
- phydev->supported &= (SUPPORTED_10baseT_Half
- | SUPPORTED_10baseT_Full
- | SUPPORTED_100baseT_Half
- | SUPPORTED_100baseT_Full
- | SUPPORTED_Autoneg
- | SUPPORTED_MII
- | SUPPORTED_TP);
-
- phydev->advertising = phydev->supported;
-
- printk(KERN_DEBUG "%s: connected to PHY at %s "
- "[uid=%08x, driver=%s]\n",
- dev->name, phydev->dev.bus_id,
- phydev->phy_id, phydev->drv->name);
-
- ag->link = 0;
- ag->speed = 0;
- ag->duplex = -1;
- break;
- default:
- ag->phy_dev = NULL;
- printk(KERN_DEBUG "%s: connected to multiple PHYs (%d)\n",
- dev->name, phy_count);
- break;
- }
-
- return 0;
-}
-
-int ag71xx_mdio_init(struct ag71xx *ag, int id)
-{
- int err;
- int i;
-
- ag->mii_bus.name = "ag71xx_mii";
- ag->mii_bus.read = ag71xx_mdio_read;
- ag->mii_bus.write = ag71xx_mdio_write;
- ag->mii_bus.reset = ag71xx_mdio_reset;
- ag->mii_bus.id = id;
- ag->mii_bus.priv = ag;
- ag->mii_bus.dev = &ag->dev->dev;
-
- ag->mii_bus.irq = kmalloc(sizeof(*ag->mii_bus.irq) * PHY_MAX_ADDR,
- GFP_KERNEL);
- if (!ag->mii_bus.irq) {
- err = -ENOMEM;
- goto err_out;
- }
-
- for (i = 0; i < PHY_MAX_ADDR; i++)
- ag->mii_bus.irq[i] = PHY_POLL;
-
- err = mdiobus_register(&ag->mii_bus);
- if (err)
- goto err_free_irqs;
-
- err = ag71xx_mdio_probe(ag);
- if (err)
- goto err_unregister_bus;
-
- return 0;
-
-err_unregister_bus:
- mdiobus_unregister(&ag->mii_bus);
-err_free_irqs:
- kfree(ag->mii_bus.irq);
-err_out:
- return err;
-}
-
-void ag71xx_mdio_cleanup(struct ag71xx *ag)
-{
- mdiobus_unregister(&ag->mii_bus);
- kfree(ag->mii_bus.irq);
-}
--- /dev/null
+/*
+ * Atheros AR71xx built-in ethernet mac driver
+ *
+ * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * Based on Atheros' AG7100 driver
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ag71xx.h"
+
+#define PLL_SEC_CONFIG 0x18050004
+#define PLL_ETH0_INT_CLOCK 0x18050010
+#define PLL_ETH1_INT_CLOCK 0x18050014
+#define PLL_ETH_EXT_CLOCK 0x18050018
+
+#define ag71xx_pll_shift(_ag) (((_ag)->pdev->id) ? 19 : 17)
+#define ag71xx_pll_offset(_ag) (((_ag)->pdev->id) ? PLL_ETH1_INT_CLOCK \
+ : PLL_ETH0_INT_CLOCK)
+
+static void ag71xx_set_pll(struct ag71xx *ag, u32 pll_val)
+{
+ void __iomem *pll_reg = ioremap_nocache(ag71xx_pll_offset(ag), 4);
+ void __iomem *pll_cfg = ioremap_nocache(PLL_SEC_CONFIG, 4);
+ u32 s;
+ u32 t;
+
+ s = ag71xx_pll_shift(ag);
+
+ t = __raw_readl(pll_cfg);
+ t &= ~(3 << s);
+ t |= (2 << s);
+ __raw_writel(t, pll_cfg);
+ udelay(100);
+
+ __raw_writel(pll_val, pll_reg);
+
+ t |= (3 << s);
+ __raw_writel(t, pll_cfg);
+ udelay(100);
+
+ t &= ~(3 << s);
+ __raw_writel(t, pll_cfg);
+ udelay(100);
+ DBG("%s: pll_reg %#x: %#x\n", ag->dev->name,
+ (unsigned int)pll_reg, __raw_readl(pll_reg));
+
+ iounmap(pll_cfg);
+ iounmap(pll_reg);
+}
+
+static unsigned char *ag71xx_speed_str(struct ag71xx *ag)
+{
+ switch (ag->speed) {
+ case SPEED_1000:
+ return "1000";
+ case SPEED_100:
+ return "100";
+ case SPEED_10:
+ return "10";
+ }
+
+ return "?";
+}
+
+#if 1
+#define PLL_VAL_1000 0x00110000
+#define PLL_VAL_100 0x00001099
+#define PLL_VAL_10 0x00991099
+#else
+#define PLL_VAL_1000 0x01111000
+#define PLL_VAL_100 0x09991000
+#define PLL_VAL_10 0x09991999
+#endif
+
+static void ag71xx_phy_link_update(struct ag71xx *ag)
+{
+ u32 cfg2;
+ u32 ifctl;
+ u32 pll;
+ u32 fifo5;
+ u32 mii_speed;
+
+ if (!ag->link) {
+ netif_carrier_off(ag->dev);
+ printk(KERN_INFO "%s: link down\n", ag->dev->name);
+ return;
+ }
+
+ cfg2 = ag71xx_rr(ag, AG71XX_REG_MAC_CFG2);
+ cfg2 &= ~(MAC_CFG2_IF_1000 | MAC_CFG2_IF_10_100 | MAC_CFG2_FDX);
+ cfg2 |= (ag->duplex) ? MAC_CFG2_FDX : 0;
+
+ ifctl = ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL);
+ ifctl &= ~(MAC_IFCTL_SPEED);
+
+ fifo5 = ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5);
+ fifo5 &= ~FIFO_CFG5_BYTE_PER_CLK;
+
+ switch (ag->speed) {
+ case SPEED_1000:
+ mii_speed = MII_CTRL_SPEED_1000;
+ cfg2 |= MAC_CFG2_IF_1000;
+ pll = PLL_VAL_1000;
+ fifo5 |= FIFO_CFG5_BYTE_PER_CLK;
+ break;
+ case SPEED_100:
+ mii_speed = MII_CTRL_SPEED_100;
+ cfg2 |= MAC_CFG2_IF_10_100;
+ ifctl |= MAC_IFCTL_SPEED;
+ pll = PLL_VAL_100;
+ break;
+ case SPEED_10:
+ mii_speed = MII_CTRL_SPEED_10;
+ cfg2 |= MAC_CFG2_IF_10_100;
+ pll = PLL_VAL_10;
+ break;
+ default:
+ BUG();
+ return;
+ }
+
+ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, 0x008001ff);
+ ag71xx_set_pll(ag, pll);
+ ag71xx_mii_ctrl_set_speed(ag, mii_speed);
+
+ ag71xx_wr(ag, AG71XX_REG_MAC_CFG2, cfg2);
+ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG5, fifo5);
+ ag71xx_wr(ag, AG71XX_REG_MAC_IFCTL, ifctl);
+
+ netif_carrier_on(ag->dev);
+ printk(KERN_INFO "%s: link up (%sMbps/%s duplex)\n",
+ ag->dev->name,
+ ag71xx_speed_str(ag),
+ (DUPLEX_FULL == ag->duplex) ? "Full" : "Half");
+
+ DBG("%s: fifo1=%#x, fifo2=%#x, fifo3=%#x, fifo4=%#x, fifo5=%#x\n",
+ ag->dev->name,
+ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG1),
+ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG2),
+ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG3),
+ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG4),
+ ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5));
+
+ DBG("%s: mac_cfg2=%#x, ifctl=%#x, mii_ctrl=%#x\n",
+ ag->dev->name,
+ ag71xx_rr(ag, AG71XX_REG_MAC_CFG2),
+ ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL),
+ ag71xx_mii_ctrl_rr(ag));
+}
+
+static void ag71xx_phy_link_adjust(struct net_device *dev)
+{
+ struct ag71xx *ag = netdev_priv(dev);
+ struct phy_device *phydev = ag->phy_dev;
+ unsigned long flags;
+ int status_change = 0;
+
+ spin_lock_irqsave(&ag->lock, flags);
+
+ if (phydev->link) {
+ if (ag->duplex != phydev->duplex
+ || ag->speed != phydev->speed) {
+ status_change = 1;
+ }
+ }
+
+ if (phydev->link != ag->link) {
+ if (phydev->link)
+ netif_schedule(dev);
+
+ status_change = 1;
+ }
+
+ ag->link = phydev->link;
+ ag->duplex = phydev->duplex;
+ ag->speed = phydev->speed;
+
+ if (status_change)
+ ag71xx_phy_link_update(ag);
+
+ spin_unlock_irqrestore(&ag->lock, flags);
+}
+
+void ag71xx_phy_start(struct ag71xx *ag)
+{
+ if (ag->phy_dev) {
+ phy_start(ag->phy_dev);
+ } else {
+ ag->duplex = DUPLEX_FULL;
+ ag->speed = SPEED_100;
+ ag->link = 1;
+ ag71xx_phy_link_update(ag);
+ }
+}
+
+void ag71xx_phy_stop(struct ag71xx *ag)
+{
+ if (ag->phy_dev) {
+ phy_stop(ag->phy_dev);
+ } else {
+ ag->duplex = -1;
+ ag->link = 0;
+ ag->speed = 0;
+ ag71xx_phy_link_update(ag);
+ }
+}
+
+int ag71xx_phy_connect(struct ag71xx *ag)
+{
+ struct net_device *dev = ag->dev;
+ struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+ struct phy_device *phydev = NULL;
+ int phy_count = 0;
+ int phy_addr;
+
+ if (ag->mii_bus) {
+ /* TODO: use mutex of the mdio bus */
+ for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
+ if (!(pdata->phy_mask & (1 << phy_addr)))
+ continue;
+
+ if (ag->mii_bus->phy_map[phy_addr] == NULL)
+ continue;
+
+ DBG("%s: PHY found at %s, uid=%08x\n",
+ dev->name,
+ ag->mii_bus->phy_map[phy_addr]->dev.bus_id,
+ ag->mii_bus->phy_map[phy_addr]->phy_id);
+
+ if (phydev == NULL)
+ phydev = ag->mii_bus->phy_map[phy_addr];
+
+ phy_count++;
+ }
+ }
+
+ switch (phy_count) {
+ case 0:
+ printk(KERN_ERR "%s: no PHY found\n", dev->name);
+ return -ENODEV;
+ case 1:
+ ag->phy_dev = phy_connect(dev, phydev->dev.bus_id,
+ &ag71xx_phy_link_adjust, 0, pdata->phy_if_mode);
+
+ if (IS_ERR(ag->phy_dev)) {
+ printk(KERN_ERR "%s: could not connect to PHY at %s\n",
+ dev->name, phydev->dev.bus_id);
+ return PTR_ERR(ag->phy_dev);
+ }
+
+ /* mask with MAC supported features */
+ phydev->supported &= (SUPPORTED_10baseT_Half
+ | SUPPORTED_10baseT_Full
+ | SUPPORTED_100baseT_Half
+ | SUPPORTED_100baseT_Full
+ | SUPPORTED_Autoneg
+ | SUPPORTED_MII
+ | SUPPORTED_TP);
+
+ phydev->advertising = phydev->supported;
+
+ printk(KERN_DEBUG "%s: connected to PHY at %s "
+ "[uid=%08x, driver=%s]\n",
+ dev->name, phydev->dev.bus_id,
+ phydev->phy_id, phydev->drv->name);
+
+ ag->link = 0;
+ ag->speed = 0;
+ ag->duplex = -1;
+ break;
+ default:
+ ag->phy_dev = NULL;
+ printk(KERN_DEBUG "%s: connected to multiple PHYs (%d)\n",
+ dev->name, phy_count);
+ break;
+ }
+
+ return 0;
+}
+
+void ag71xx_phy_disconnect(struct ag71xx *ag)
+{
+ if (ag->phy_dev)
+ phy_disconnect(ag->phy_dev);
+}
u8 mac_addr[ETH_ALEN];
};
+struct ag71xx_mdio_platform_data {
+ u32 phy_mask;
+};
+
struct ar71xx_spi_platform_data {
unsigned bus_num;
unsigned num_chipselect;
extern void ar71xx_add_device_eth(unsigned int id, phy_interface_t phy_if_mode,
u32 phy_mask) __init;
+extern void ar71xx_add_device_mdio(u32 phy_mask) __init;
+
#endif /* __ASM_MACH_AR71XX_PLATFORM_H */
+++ /dev/null
---- a/drivers/net/ag71xx/ag71xx_mii.c
-+++ b/drivers/net/ag71xx/ag71xx_mii.c
-@@ -397,7 +397,7 @@
- ag->mii_bus.read = ag71xx_mdio_read;
- ag->mii_bus.write = ag71xx_mdio_write;
- ag->mii_bus.reset = ag71xx_mdio_reset;
-- ag->mii_bus.id = id;
-+ snprintf(ag->mii_bus.id, MII_BUS_ID_SIZE, "%x", id);
- ag->mii_bus.priv = ag;
- ag->mii_bus.dev = &ag->dev->dev;
-
projects / openwrt.git / commitdiff