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PHY: micrel.c: add support for KSZ9031

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Add support for Micrel PHY KSZ9031 in phylib,
including small rework for KSZ9021 to avoid
code duplication

Signed-off-by: David Andrey <david.andrey@netmodule.com>
Cc: Troy Kisky <troy.kisky@boundarydevices.com>
Cc: Joe Herschberger <joe.hershberger@gmail.com>
Cc: Andy Fleming <afleming@freescale.com>
Acked-by: Stefan Roese <sr@denx.de>
This commit is contained in:
David Andrey 2013-02-06 22:18:37 +01:00 • committed by Joe Hershberger
parent 61fdd4f7c3
commit 62d7dba7be
1 changed files with 52 additions and 27 deletions

79
drivers/net/phy/micrel.c
View file

@ -18,6 +18,7 @@
* *
* Copyright 2010-2011 Freescale Semiconductor, Inc. * Copyright 2010-2011 Freescale Semiconductor, Inc.
* author Andy Fleming * author Andy Fleming
* (C) 2012 NetModule AG, David Andrey, added KSZ9031
* *
*/ */
#include <config.h> #include <config.h>
@ -52,16 +53,46 @@ static struct phy_driver KS8721_driver = {
}; };
#endif #endif
/**
* KSZ9021 - KSZ9031 common
*/
#define MII_KSZ90xx_PHY_CTL 0x1f
#define MIIM_KSZ90xx_PHYCTL_1000 (1 << 6)
#define MIIM_KSZ90xx_PHYCTL_100 (1 << 5)
#define MIIM_KSZ90xx_PHYCTL_10 (1 << 4)
#define MIIM_KSZ90xx_PHYCTL_DUPLEX (1 << 3)
static int ksz90xx_startup(struct phy_device *phydev)
{
unsigned phy_ctl;
genphy_update_link(phydev);
phy_ctl = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ90xx_PHY_CTL);
if (phy_ctl & MIIM_KSZ90xx_PHYCTL_DUPLEX)
phydev->duplex = DUPLEX_FULL;
else
phydev->duplex = DUPLEX_HALF;
if (phy_ctl & MIIM_KSZ90xx_PHYCTL_1000)
phydev->speed = SPEED_1000;
else if (phy_ctl & MIIM_KSZ90xx_PHYCTL_100)
phydev->speed = SPEED_100;
else if (phy_ctl & MIIM_KSZ90xx_PHYCTL_10)
phydev->speed = SPEED_10;
return 0;
}
#ifdef CONFIG_PHY_MICREL_KSZ9021 #ifdef CONFIG_PHY_MICREL_KSZ9021
/* ksz9021 PHY Registers */
/*
* KSZ9021
*/
/* PHY Registers */
#define MII_KSZ9021_EXTENDED_CTRL 0x0b #define MII_KSZ9021_EXTENDED_CTRL 0x0b
#define MII_KSZ9021_EXTENDED_DATAW 0x0c #define MII_KSZ9021_EXTENDED_DATAW 0x0c
#define MII_KSZ9021_EXTENDED_DATAR 0x0d #define MII_KSZ9021_EXTENDED_DATAR 0x0d
#define MII_KSZ9021_PHY_CTL 0x1f
#define MIIM_KSZ9021_PHYCTL_1000 (1 << 6)
#define MIIM_KSZ9021_PHYCTL_100 (1 << 5)
#define MIIM_KSZ9021_PHYCTL_10 (1 << 4)
#define MIIM_KSZ9021_PHYCTL_DUPLEX (1 << 3)
#define CTRL1000_PREFER_MASTER (1 << 10) #define CTRL1000_PREFER_MASTER (1 << 10)
#define CTRL1000_CONFIG_MASTER (1 << 11) #define CTRL1000_CONFIG_MASTER (1 << 11)
@ -106,37 +137,30 @@ static int ksz9021_config(struct phy_device *phydev)
return 0; return 0;
} }
static int ksz9021_startup(struct phy_device *phydev)
{
unsigned phy_ctl;
genphy_update_link(phydev);
phy_ctl = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ9021_PHY_CTL);
if (phy_ctl & MIIM_KSZ9021_PHYCTL_DUPLEX)
phydev->duplex = DUPLEX_FULL;
else
phydev->duplex = DUPLEX_HALF;
if (phy_ctl & MIIM_KSZ9021_PHYCTL_1000)
phydev->speed = SPEED_1000;
else if (phy_ctl & MIIM_KSZ9021_PHYCTL_100)
phydev->speed = SPEED_100;
else if (phy_ctl & MIIM_KSZ9021_PHYCTL_10)
phydev->speed = SPEED_10;
return 0;
}
static struct phy_driver ksz9021_driver = { static struct phy_driver ksz9021_driver = {
.name = "Micrel ksz9021", .name = "Micrel ksz9021",
.uid = 0x221610, .uid = 0x221610,
.mask = 0xfffff0, .mask = 0xfffff0,
.features = PHY_GBIT_FEATURES, .features = PHY_GBIT_FEATURES,
.config = &ksz9021_config, .config = &ksz9021_config,
.startup = &ksz9021_startup, .startup = &ksz90xx_startup,
.shutdown = &genphy_shutdown, .shutdown = &genphy_shutdown,
}; };
#endif #endif
/*
* KSZ9031
*/
static struct phy_driver ksz9031_driver = {
.name = "Micrel ksz9031",
.uid = 0x221620,
.mask = 0xfffffe,
.features = PHY_GBIT_FEATURES,
.config = &genphy_config,
.startup = &ksz90xx_startup,
.shutdown = &genphy_shutdown,
};
int phy_micrel_init(void) int phy_micrel_init(void)
{ {
phy_register(&KSZ804_driver); phy_register(&KSZ804_driver);
@ -145,5 +169,6 @@ int phy_micrel_init(void)
#else #else
phy_register(&KS8721_driver); phy_register(&KS8721_driver);
#endif #endif
phy_register(&ksz9031_driver);
return 0; return 0;
} }