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authorDavid S. Miller <davem@davemloft.net>2021-02-15 15:15:25 -0800
committerDavid S. Miller <davem@davemloft.net>2021-02-15 15:15:25 -0800
commit4a408a8adddd4c0a65d39ac87f95829c67e93cc1 (patch)
tree99a6d75765609891b599a7877c814192ed0b627d
parent1a42156f52bd4de0e2442671bc24b7ffc7b01c52 (diff)
parent5d4358ede8ebe2e4ae03a633082f3ce21ec2df3e (diff)
Merge branch 'net-phy-broadcom-Cleanups-and-APD'
Florian Fainelli says: ==================== net: phy: broadcom: Cleanups and APD This patch series cleans up the brcmphy.h header and its numerous unused phydev->dev_flags, fixes the RXC/TXC clock disabling bit and allows the BCM54210E PHY to utilize APD. Changes in v2: - dropped the patch that attempted to fix a possible discrepancy between the datasheet and the actual hardware - added a patch to remove a forward declaration - do additional flags cleanup ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/phy/broadcom.c101
-rw-r--r--include/linux/brcmphy.h23
2 files changed, 66 insertions, 58 deletions
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index 0472b3470c59..91fbd26c809e 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -26,44 +26,6 @@ MODULE_DESCRIPTION("Broadcom PHY driver");
MODULE_AUTHOR("Maciej W. Rozycki");
MODULE_LICENSE("GPL");
-static int bcm54xx_config_clock_delay(struct phy_device *phydev);
-
-static int bcm54210e_config_init(struct phy_device *phydev)
-{
- int val;
-
- bcm54xx_config_clock_delay(phydev);
-
- if (phydev->dev_flags & PHY_BRCM_EN_MASTER_MODE) {
- val = phy_read(phydev, MII_CTRL1000);
- val |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER;
- phy_write(phydev, MII_CTRL1000, val);
- }
-
- return 0;
-}
-
-static int bcm54612e_config_init(struct phy_device *phydev)
-{
- int reg;
-
- bcm54xx_config_clock_delay(phydev);
-
- /* Enable CLK125 MUX on LED4 if ref clock is enabled. */
- if (!(phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED)) {
- int err;
-
- reg = bcm_phy_read_exp(phydev, BCM54612E_EXP_SPARE0);
- err = bcm_phy_write_exp(phydev, BCM54612E_EXP_SPARE0,
- BCM54612E_LED4_CLK125OUT_EN | reg);
-
- if (err < 0)
- return err;
- }
-
- return 0;
-}
-
static int bcm54xx_config_clock_delay(struct phy_device *phydev)
{
int rc, val;
@@ -105,6 +67,42 @@ static int bcm54xx_config_clock_delay(struct phy_device *phydev)
return 0;
}
+static int bcm54210e_config_init(struct phy_device *phydev)
+{
+ int val;
+
+ bcm54xx_config_clock_delay(phydev);
+
+ if (phydev->dev_flags & PHY_BRCM_EN_MASTER_MODE) {
+ val = phy_read(phydev, MII_CTRL1000);
+ val |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER;
+ phy_write(phydev, MII_CTRL1000, val);
+ }
+
+ return 0;
+}
+
+static int bcm54612e_config_init(struct phy_device *phydev)
+{
+ int reg;
+
+ bcm54xx_config_clock_delay(phydev);
+
+ /* Enable CLK125 MUX on LED4 if ref clock is enabled. */
+ if (!(phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED)) {
+ int err;
+
+ reg = bcm_phy_read_exp(phydev, BCM54612E_EXP_SPARE0);
+ err = bcm_phy_write_exp(phydev, BCM54612E_EXP_SPARE0,
+ BCM54612E_LED4_CLK125OUT_EN | reg);
+
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
/* Needs SMDSP clock enabled via bcm54xx_phydsp_config() */
static int bcm50610_a0_workaround(struct phy_device *phydev)
{
@@ -195,6 +193,7 @@ static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
if (BRCM_PHY_MODEL(phydev) != PHY_ID_BCM57780 &&
BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610 &&
BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610M &&
+ BRCM_PHY_MODEL(phydev) != PHY_ID_BCM54210E &&
BRCM_PHY_MODEL(phydev) != PHY_ID_BCM54810 &&
BRCM_PHY_MODEL(phydev) != PHY_ID_BCM54811)
return;
@@ -229,9 +228,10 @@ static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
val |= BCM54XX_SHD_SCR3_DLLAPD_DIS;
if (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY) {
- if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810 ||
- BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54811)
- val |= BCM54810_SHD_SCR3_TRDDAPD;
+ if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E ||
+ BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810 ||
+ BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E)
+ val |= BCM54XX_SHD_SCR3_RXCTXC_DIS;
else
val |= BCM54XX_SHD_SCR3_TRDDAPD;
}
@@ -383,10 +383,21 @@ static int bcm5481_config_aneg(struct phy_device *phydev)
return ret;
}
+struct bcm54616s_phy_priv {
+ bool mode_1000bx_en;
+};
+
static int bcm54616s_probe(struct phy_device *phydev)
{
+ struct bcm54616s_phy_priv *priv;
int val, intf_sel;
+ priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ phydev->priv = priv;
+
val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_MODE);
if (val < 0)
return val;
@@ -409,7 +420,7 @@ static int bcm54616s_probe(struct phy_device *phydev)
* 1000BASE-X configuration.
*/
if (!(val & BCM54616S_100FX_MODE))
- phydev->dev_flags |= PHY_BCM_FLAGS_MODE_1000BX;
+ priv->mode_1000bx_en = true;
phydev->port = PORT_FIBRE;
}
@@ -419,10 +430,11 @@ static int bcm54616s_probe(struct phy_device *phydev)
static int bcm54616s_config_aneg(struct phy_device *phydev)
{
+ struct bcm54616s_phy_priv *priv = phydev->priv;
int ret;
/* Aneg firstly. */
- if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX)
+ if (priv->mode_1000bx_en)
ret = genphy_c37_config_aneg(phydev);
else
ret = genphy_config_aneg(phydev);
@@ -435,9 +447,10 @@ static int bcm54616s_config_aneg(struct phy_device *phydev)
static int bcm54616s_read_status(struct phy_device *phydev)
{
+ struct bcm54616s_phy_priv *priv = phydev->priv;
int err;
- if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX)
+ if (priv->mode_1000bx_en)
err = genphy_c37_read_status(phydev);
else
err = genphy_read_status(phydev);
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index de9430d55c90..16597d3fa011 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -61,19 +61,14 @@
#define PHY_BCM_OUI_5 0x03625e00
#define PHY_BCM_OUI_6 0xae025000
-#define PHY_BCM_FLAGS_MODE_COPPER 0x00000001
-#define PHY_BCM_FLAGS_MODE_1000BX 0x00000002
-#define PHY_BCM_FLAGS_INTF_SGMII 0x00000010
-#define PHY_BCM_FLAGS_INTF_XAUI 0x00000020
-#define PHY_BRCM_WIRESPEED_ENABLE 0x00000100
-#define PHY_BRCM_AUTO_PWRDWN_ENABLE 0x00000200
-#define PHY_BRCM_RX_REFCLK_UNUSED 0x00000400
-#define PHY_BRCM_STD_IBND_DISABLE 0x00000800
-#define PHY_BRCM_EXT_IBND_RX_ENABLE 0x00001000
-#define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00002000
-#define PHY_BRCM_CLEAR_RGMII_MODE 0x00004000
-#define PHY_BRCM_DIS_TXCRXC_NOENRGY 0x00008000
-#define PHY_BRCM_EN_MASTER_MODE 0x00010000
+#define PHY_BRCM_AUTO_PWRDWN_ENABLE 0x00000001
+#define PHY_BRCM_RX_REFCLK_UNUSED 0x00000002
+#define PHY_BRCM_STD_IBND_DISABLE 0x00000004
+#define PHY_BRCM_EXT_IBND_RX_ENABLE 0x00000008
+#define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00000010
+#define PHY_BRCM_CLEAR_RGMII_MODE 0x00000020
+#define PHY_BRCM_DIS_TXCRXC_NOENRGY 0x00000040
+#define PHY_BRCM_EN_MASTER_MODE 0x00000080
/* Broadcom BCM7xxx specific workarounds */
#define PHY_BRCM_7XXX_REV(x) (((x) >> 8) & 0xff)
@@ -198,6 +193,7 @@
#define BCM54XX_SHD_SCR3_DEF_CLK125 0x0001
#define BCM54XX_SHD_SCR3_DLLAPD_DIS 0x0002
#define BCM54XX_SHD_SCR3_TRDDAPD 0x0004
+#define BCM54XX_SHD_SCR3_RXCTXC_DIS 0x0100
/* 01010: Auto Power-Down */
#define BCM54XX_SHD_APD 0x0a
@@ -258,7 +254,6 @@
#define BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN (1 << 0)
#define BCM54810_SHD_CLK_CTL 0x3
#define BCM54810_SHD_CLK_CTL_GTXCLK_EN (1 << 9)
-#define BCM54810_SHD_SCR3_TRDDAPD 0x0100
/* BCM54612E Registers */
#define BCM54612E_EXP_SPARE0 (MII_BCM54XX_EXP_SEL_ETC + 0x34)