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macb: Fix mii_phy_read and mii_phy_write functions

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Enabling CONFIG_CMD_MII in AVR32 boards was not possible due to
compile errors.

This patch fixes miiphy_read and miiphy_write functions and
registers them properly.

Signed-off-by: Semih Hazar <semih.hazar@indefia.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
This commit is contained in:
Semih Hazar 2009-12-17 15:07:15 +02:00 committed by Ben Warren
parent 5f6b144221
commit 0f751d6ef3
1 changed files with 33 additions and 77 deletions
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110
drivers/net/macb.c
View file

@ -42,6 +42,7 @@
#include <net.h>
#include <netdev.h>
#include <malloc.h>
#include <miiphy.h>
#include <linux/mii.h>
#include <asm/io.h>
@ -164,6 +165,36 @@ static u16 macb_mdio_read(struct macb_device *macb, u8 reg)
return MACB_BFEXT(DATA, frame);
}
#if defined(CONFIG_CMD_MII)
int macb_miiphy_read(char *devname, u8 phy_adr, u8 reg, u16 *value)
{
struct eth_device *dev = eth_get_dev_by_name(devname);
struct macb_device *macb = to_macb(dev);
if ( macb->phy_addr != phy_adr )
return -1;
*value = macb_mdio_read(macb, reg);
return 0;
}
int macb_miiphy_write(char *devname, u8 phy_adr, u8 reg, u16 value)
{
struct eth_device *dev = eth_get_dev_by_name(devname);
struct macb_device *macb = to_macb(dev);
if ( macb->phy_addr != phy_adr )
return -1;
macb_mdio_write(macb, reg, value);
return 0;
}
#endif
#if defined(CONFIG_CMD_NET)
static int macb_send(struct eth_device *netdev, volatile void *packet,
@ -542,84 +573,9 @@ int macb_eth_initialize(int id, void *regs, unsigned int phy_addr)
eth_register(netdev);
return 0;
}
#endif
#if defined(CONFIG_CMD_MII)
int miiphy_read(unsigned char addr, unsigned char reg, unsigned short *value)
{
unsigned long netctl;
unsigned long netstat;
unsigned long frame;
int iflag;
iflag = disable_interrupts();
netctl = macb_readl(&macb, EMACB_NCR);
netctl |= MACB_BIT(MPE);
macb_writel(&macb, EMACB_NCR, netctl);
if (iflag)
enable_interrupts();
frame = (MACB_BF(SOF, 1)
| MACB_BF(RW, 2)
| MACB_BF(PHYA, addr)
| MACB_BF(REGA, reg)
| MACB_BF(CODE, 2));
macb_writel(&macb, EMACB_MAN, frame);
do {
netstat = macb_readl(&macb, EMACB_NSR);
} while (!(netstat & MACB_BIT(IDLE)));
frame = macb_readl(&macb, EMACB_MAN);
*value = MACB_BFEXT(DATA, frame);
iflag = disable_interrupts();
netctl = macb_readl(&macb, EMACB_NCR);
netctl &= ~MACB_BIT(MPE);
macb_writel(&macb, EMACB_NCR, netctl);
if (iflag)
enable_interrupts();
return 0;
}
int miiphy_write(unsigned char addr, unsigned char reg, unsigned short value)
{
unsigned long netctl;
unsigned long netstat;
unsigned long frame;
int iflag;
iflag = disable_interrupts();
netctl = macb_readl(&macb, EMACB_NCR);
netctl |= MACB_BIT(MPE);
macb_writel(&macb, EMACB_NCR, netctl);
if (iflag)
enable_interrupts();
frame = (MACB_BF(SOF, 1)
| MACB_BF(RW, 1)
| MACB_BF(PHYA, addr)
| MACB_BF(REGA, reg)
| MACB_BF(CODE, 2)
| MACB_BF(DATA, value));
macb_writel(&macb, EMACB_MAN, frame);
do {
netstat = macb_readl(&macb, EMACB_NSR);
} while (!(netstat & MACB_BIT(IDLE)));
iflag = disable_interrupts();
netctl = macb_readl(&macb, EMACB_NCR);
netctl &= ~MACB_BIT(MPE);
macb_writel(&macb, EMACB_NCR, netctl);
if (iflag)
enable_interrupts();
miiphy_register(netdev->name, macb_miiphy_read, macb_miiphy_write);
#endif
return 0;
}