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net: phy: bcm7xxx: define constants for our registers 

Define constants for the various registers used in
bcm7xxx_28nm_afe_config_init() to help clarify what this workaround is
about.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2014-03-24 16:36:47 -07:00 committed by David S. Miller
parent 61b905da33
commit a3622f2c82
1 changed files with 27 additions and 11 deletions
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38
drivers/net/phy/bcm7xxx.c
View File

@ -28,6 +28,22 @@
#define MII_BCM7XXX_TEST 0x1f
#define MII_BCM7XXX_SHD_MODE_2 BIT(2)
/* 28nm only register definitions */
#define MISC_ADDR(base, channel) base, channel
#define DSP_TAP10 MISC_ADDR(0x0a, 0)
#define PLL_PLLCTRL_1 MISC_ADDR(0x32, 1)
#define PLL_PLLCTRL_2 MISC_ADDR(0x32, 2)
#define PLL_PLLCTRL_4 MISC_ADDR(0x33, 0)
#define AFE_RXCONFIG_0 MISC_ADDR(0x38, 0)
#define AFE_RXCONFIG_1 MISC_ADDR(0x38, 1)
#define AFE_RX_LP_COUNTER MISC_ADDR(0x38, 3)
#define AFE_TX_CONFIG MISC_ADDR(0x39, 0)
#define AFE_HPF_TRIM_OTHERS MISC_ADDR(0x3a, 0)
#define CORE_EXPB0 0xb0
static int bcm7445_config_init(struct phy_device *phydev)
{
int ret;
@ -88,44 +104,44 @@ static void phy_write_misc(struct phy_device *phydev,
static int bcm7xxx_28nm_afe_config_init(struct phy_device *phydev)
{
/* write AFE_RXCONFIG_0 */
phy_write_misc(phydev, 0x38, 0x0000, 0xeb19);
phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb19);
/* write AFE_RXCONFIG_1 */
phy_write_misc(phydev, 0x38, 0x0001, 0x9a3f);
phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9a3f);
/* write AFE_RX_LP_COUNTER */
phy_write_misc(phydev, 0x38, 0x0003, 0x7fc7);
phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc7);
/* write AFE_HPF_TRIM_OTHERS */
phy_write_misc(phydev, 0x3A, 0x0000, 0x000b);
phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x000b);
/* write AFTE_TX_CONFIG */
phy_write_misc(phydev, 0x39, 0x0000, 0x0800);
phy_write_misc(phydev, AFE_TX_CONFIG, 0x0800);
/* Increase VCO range to prevent unlocking problem of PLL at low
* temp
*/
phy_write_misc(phydev, 0x0032, 0x0001, 0x0048);
phy_write_misc(phydev, PLL_PLLCTRL_1, 0x0048);
/* Change Ki to 011 */
phy_write_misc(phydev, 0x0032, 0x0002, 0x021b);
phy_write_misc(phydev, PLL_PLLCTRL_2, 0x021b);
/* Disable loading of TVCO buffer to bandgap, set bandgap trim
* to 111
*/
phy_write_misc(phydev, 0x0033, 0x0000, 0x0e20);
phy_write_misc(phydev, PLL_PLLCTRL_4, 0x0e20);
/* Adjust bias current trim by -3 */
phy_write_misc(phydev, 0x000a, 0x0000, 0x690b);
phy_write_misc(phydev, DSP_TAP10, 0x690b);
/* Switch to CORE_BASE1E */
phy_write(phydev, MII_BCM7XXX_CORE_BASE1E, 0xd);
/* Reset R_CAL/RC_CAL Engine */
phy_write_exp(phydev, 0x00b0, 0x0010);
phy_write_exp(phydev, CORE_EXPB0, 0x0010);
/* Disable Reset R_CAL/RC_CAL Engine */
phy_write_exp(phydev, 0x00b0, 0x0000);
phy_write_exp(phydev, CORE_EXPB0, 0x0000);
return 0;
}