ssb: pci: implement mdio reading

	}

}

#if 0

//done but not used yet

static u16 ssb_pcie_mdio_read(struct ssb_pcicore *pc, u8 device, u8 address)

{

	const u16 mdio_control = 0x128;

	const u16 mdio_data = 0x12C;

	int max_retries = 10;

	u16 ret = 0;

	u32 v;

	int i;

	v = 0x80; /* Enable Preamble Sequence */

	v |= 0x2; /* MDIO Clock Divisor */

	pcicore_write32(pc, mdio_control, v);

	if (pc->dev->id.revision >= 10) {

		max_retries = 200;

		ssb_pcie_mdio_set_phy(pc, device);

	}

	v = (1 << 30); /* Start of Transaction */

	v |= (1 << 29); /* Read Transaction */

	v |= (1 << 17); /* Turnaround */

	if (pc->dev->id.revision < 10)

		v |= (u32)device << 22;

	v |= (u32)address << 18;

	pcicore_write32(pc, mdio_data, v);

	/* Wait for the device to complete the transaction */

	udelay(10);

	for (i = 0; i < 200; i++) {

		v = pcicore_read32(pc, mdio_control);

		if (v & 0x100 /* Trans complete */) {

			udelay(10);

			ret = pcicore_read32(pc, mdio_data);

			break;

		}

		msleep(1);

	}

	pcicore_write32(pc, mdio_control, 0);

	return ret;

}

#endif

static void ssb_pcie_mdio_write(struct ssb_pcicore *pc, u8 device,

				u8 address, u16 data)

{