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[realview] update to kernel 3.0
[openwrt.git]
/
target
/
linux
/
ar71xx
/
files
/
drivers
/
net
/
ag71xx
/
ag71xx_mdio.c
diff --git
a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
index
7e6452b
..
b2460d7
100644
(file)
--- a/
target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
+++ b/
target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
@@
-1,7
+1,7
@@
/*
* Atheros AR71xx built-in ethernet mac driver
*
/*
* Atheros AR71xx built-in ethernet mac driver
*
- * Copyright (C) 2008-20
09
Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008-20
10
Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
*
* Based on Atheros' AG7100 driver
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
*
* Based on Atheros' AG7100 driver
@@
-16,17
+16,21
@@
#define AG71XX_MDIO_RETRY 1000
#define AG71XX_MDIO_DELAY 5
#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)
{
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);
+ void __iomem *r;
+
+ r = am->mdio_base + reg;
+ __raw_writel(value, r);
+
+ /* flush write */
+ (void) __raw_readl(r);
}
static inline u32 ag71xx_mdio_rr(struct ag71xx_mdio *am, unsigned reg)
{
}
static inline u32 ag71xx_mdio_rr(struct ag71xx_mdio *am, unsigned reg)
{
- return __raw_readl(am->mdio_base + reg
- AG71XX_REG_MII_CFG
);
+ return __raw_readl(am->mdio_base + reg);
}
static void ag71xx_mdio_dump_regs(struct ag71xx_mdio *am)
}
static void ag71xx_mdio_dump_regs(struct ag71xx_mdio *am)
@@
-43,7
+47,7
@@
static void ag71xx_mdio_dump_regs(struct ag71xx_mdio *am)
ag71xx_mdio_rr(am, AG71XX_REG_MII_IND));
}
ag71xx_mdio_rr(am, AG71XX_REG_MII_IND));
}
-
static
int ag71xx_mdio_mii_read(struct ag71xx_mdio *am, int addr, int reg)
+int ag71xx_mdio_mii_read(struct ag71xx_mdio *am, int addr, int reg)
{
int ret;
int i;
{
int ret;
int i;
@@
-69,12
+73,11
@@
static int ag71xx_mdio_mii_read(struct ag71xx_mdio *am, int addr, int reg)
DBG("mii_read: addr=%04x, reg=%04x, value=%04x\n", addr, reg, ret);
DBG("mii_read: addr=%04x, reg=%04x, value=%04x\n", addr, reg, ret);
-
out:
+out:
return ret;
}
return ret;
}
-static void ag71xx_mdio_mii_write(struct ag71xx_mdio *am,
- int addr, int reg, u16 val)
+void ag71xx_mdio_mii_write(struct ag71xx_mdio *am, int addr, int reg, u16 val)
{
int i;
{
int i;
@@
-98,11
+101,17
@@
static void ag71xx_mdio_mii_write(struct ag71xx_mdio *am,
static int ag71xx_mdio_reset(struct mii_bus *bus)
{
struct ag71xx_mdio *am = bus->priv;
static int ag71xx_mdio_reset(struct mii_bus *bus)
{
struct ag71xx_mdio *am = bus->priv;
+ u32 t;
- ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG, MII_CFG_RESET);
+ if (am->pdata->is_ar7240)
+ t = MII_CFG_CLK_DIV_6;
+ else
+ t = MII_CFG_CLK_DIV_28;
+
+ ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG, t | MII_CFG_RESET);
udelay(100);
udelay(100);
- ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG,
MII_CFG_CLK_DIV_28
);
+ ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG,
t
);
udelay(100);
return 0;
udelay(100);
return 0;
@@
-112,18
+121,24
@@
static int ag71xx_mdio_read(struct mii_bus *bus, int addr, int reg)
{
struct ag71xx_mdio *am = bus->priv;
{
struct ag71xx_mdio *am = bus->priv;
- return ag71xx_mdio_mii_read(am, addr, reg);
+ if (am->pdata->is_ar7240)
+ return ar7240sw_phy_read(bus, addr, reg);
+ else
+ 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;
}
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);
+ if (am->pdata->is_ar7240)
+ ar7240sw_phy_write(bus, addr, reg, val);
+ else
+ ag71xx_mdio_mii_write(am, addr, reg, val);
return 0;
}
return 0;
}
-static int __init ag71xx_mdio_probe(struct platform_device *pdev)
+static int __
dev
init ag71xx_mdio_probe(struct platform_device *pdev)
{
struct ag71xx_mdio_platform_data *pdata;
struct ag71xx_mdio *am;
{
struct ag71xx_mdio_platform_data *pdata;
struct ag71xx_mdio *am;
@@
-131,8
+146,11
@@
static int __init ag71xx_mdio_probe(struct platform_device *pdev)
int i;
int err;
int i;
int err;
- if (ag71xx_mdio_bus)
- return -EBUSY;
+ pdata = pdev->dev.platform_data;
+ if (!pdata) {
+ dev_err(&pdev->dev, "no platform data specified\n");
+ return -EINVAL;
+ }
am = kzalloc(sizeof(*am), GFP_KERNEL);
if (!am) {
am = kzalloc(sizeof(*am), GFP_KERNEL);
if (!am) {
@@
-140,6
+158,8
@@
static int __init ag71xx_mdio_probe(struct platform_device *pdev)
goto err_out;
}
goto err_out;
}
+ am->pdata = pdata;
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "no iomem resource found\n");
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "no iomem resource found\n");
@@
-167,11
+187,8
@@
static int __init ag71xx_mdio_probe(struct platform_device *pdev)
am->mii_bus->irq = am->mii_irq;
am->mii_bus->priv = am;
am->mii_bus->parent = &pdev->dev;
am->mii_bus->irq = am->mii_irq;
am->mii_bus->priv = am;
am->mii_bus->parent = &pdev->dev;
- snprintf(am->mii_bus->id, MII_BUS_ID_SIZE, "%x", 0);
-
- pdata = pdev->dev.platform_data;
- if (pdata)
- am->mii_bus->phy_mask = pdata->phy_mask;
+ snprintf(am->mii_bus->id, MII_BUS_ID_SIZE, "%s", dev_name(&pdev->dev));
+ am->mii_bus->phy_mask = pdata->phy_mask;
for (i = 0; i < PHY_MAX_ADDR; i++)
am->mii_irq[i] = PHY_POLL;
for (i = 0; i < PHY_MAX_ADDR; i++)
am->mii_irq[i] = PHY_POLL;
@@
-185,25
+202,23
@@
static int __init ag71xx_mdio_probe(struct platform_device *pdev)
ag71xx_mdio_dump_regs(am);
platform_set_drvdata(pdev, am);
ag71xx_mdio_dump_regs(am);
platform_set_drvdata(pdev, am);
- ag71xx_mdio_bus = am;
return 0;
return 0;
-
err_free_bus:
+err_free_bus:
mdiobus_free(am->mii_bus);
mdiobus_free(am->mii_bus);
-
err_iounmap:
+err_iounmap:
iounmap(am->mdio_base);
iounmap(am->mdio_base);
-
err_free_mdio:
+err_free_mdio:
kfree(am);
kfree(am);
-
err_out:
+err_out:
return err;
}
return err;
}
-static int __exit ag71xx_mdio_remove(struct platform_device *pdev)
+static int __
dev
exit ag71xx_mdio_remove(struct platform_device *pdev)
{
struct ag71xx_mdio *am = platform_get_drvdata(pdev);
if (am) {
{
struct ag71xx_mdio *am = platform_get_drvdata(pdev);
if (am) {
- ag71xx_mdio_bus = NULL;
mdiobus_unregister(am->mii_bus);
mdiobus_free(am->mii_bus);
iounmap(am->mdio_base);
mdiobus_unregister(am->mii_bus);
mdiobus_free(am->mii_bus);
iounmap(am->mdio_base);
@@
-222,7
+237,7
@@
static struct platform_driver ag71xx_mdio_driver = {
}
};
}
};
-int ag71xx_mdio_driver_init(void)
+int
__init
ag71xx_mdio_driver_init(void)
{
return platform_driver_register(&ag71xx_mdio_driver);
}
{
return platform_driver_register(&ag71xx_mdio_driver);
}
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