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yaml
---
r: 266128
b: refs/heads/master
c: 9c9b1f2
h: refs/heads/master
v: v3
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Giuseppe CAVALLARO authored and David S. Miller committed Sep 20, 2011
1 parent 62c60e4 commit c36857d
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Showing 2 changed files with 69 additions and 12 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: e3feb266c344394ce06bdecdfa05071118249c88
refs/heads/master: 9c9b1f24f2aa31a3cea94939edc551f68ebadc89
79 changes: 68 additions & 11 deletions trunk/drivers/net/phy/icplus.c
Original file line number Diff line number Diff line change
Expand Up @@ -30,10 +30,17 @@
#include <asm/irq.h>
#include <asm/uaccess.h>

MODULE_DESCRIPTION("ICPlus IP175C/IC1001 PHY drivers");
MODULE_DESCRIPTION("ICPlus IP175C/IP101A/IC1001 PHY drivers");
MODULE_AUTHOR("Michael Barkowski");
MODULE_LICENSE("GPL");

/* IP101A/IP1001 */
#define IP10XX_SPEC_CTRL_STATUS 16 /* Spec. Control Register */
#define IP1001_SPEC_CTRL_STATUS_2 20 /* IP1001 Spec. Control Reg 2 */
#define IP1001_PHASE_SEL_MASK 3 /* IP1001 RX/TXPHASE_SEL */
#define IP1001_APS_ON 11 /* IP1001 APS Mode bit */
#define IP101A_APS_ON 2 /* IP101A APS Mode bit */

static int ip175c_config_init(struct phy_device *phydev)
{
int err, i;
Expand Down Expand Up @@ -89,27 +96,58 @@ static int ip175c_config_init(struct phy_device *phydev)
return 0;
}

static int ip1001_config_init(struct phy_device *phydev)
static int ip1xx_reset(struct phy_device *phydev)
{
int err, value;
int err, bmcr;

/* Software Reset PHY */
value = phy_read(phydev, MII_BMCR);
value |= BMCR_RESET;
err = phy_write(phydev, MII_BMCR, value);
bmcr = phy_read(phydev, MII_BMCR);
bmcr |= BMCR_RESET;
err = phy_write(phydev, MII_BMCR, bmcr);
if (err < 0)
return err;

do {
value = phy_read(phydev, MII_BMCR);
} while (value & BMCR_RESET);
bmcr = phy_read(phydev, MII_BMCR);
} while (bmcr & BMCR_RESET);

return err;
}

static int ip1001_config_init(struct phy_device *phydev)
{
int c;

c = ip1xx_reset(phydev);
if (c < 0)
return c;

/* Enable Auto Power Saving mode */
c = phy_read(phydev, IP1001_SPEC_CTRL_STATUS_2);
c |= IP1001_APS_ON;
if (c < 0)
return c;

/* Additional delay (2ns) used to adjust RX clock phase
* at GMII/ RGMII interface */
value = phy_read(phydev, 16);
value |= 0x3;
c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
c |= IP1001_PHASE_SEL_MASK;

return phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c);
}

static int ip101a_config_init(struct phy_device *phydev)
{
int c;

return phy_write(phydev, 16, value);
c = ip1xx_reset(phydev);
if (c < 0)
return c;

/* Enable Auto Power Saving mode */
c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
c |= IP101A_APS_ON;
return c;
}

static int ip175c_read_status(struct phy_device *phydev)
Expand Down Expand Up @@ -158,6 +196,20 @@ static struct phy_driver ip1001_driver = {
.driver = { .owner = THIS_MODULE,},
};

static struct phy_driver ip101a_driver = {
.phy_id = 0x02430c54,
.name = "ICPlus IP101A",
.phy_id_mask = 0x0ffffff0,
.features = PHY_BASIC_FEATURES | SUPPORTED_Pause |
SUPPORTED_Asym_Pause,
.config_init = &ip101a_config_init,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
};

static int __init icplus_init(void)
{
int ret = 0;
Expand All @@ -166,12 +218,17 @@ static int __init icplus_init(void)
if (ret < 0)
return -ENODEV;

ret = phy_driver_register(&ip101a_driver);
if (ret < 0)
return -ENODEV;

return phy_driver_register(&ip175c_driver);
}

static void __exit icplus_exit(void)
{
phy_driver_unregister(&ip1001_driver);
phy_driver_unregister(&ip101a_driver);
phy_driver_unregister(&ip175c_driver);
}

Expand Down

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