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>

diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c
index 6973372..3141941 100644 (file)
--- a/drivers/net/phy/bcm7xxx.c
+++ b/drivers/net/phy/bcm7xxx.c
@@ -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;
 }