[U-Boot] [PATCH 1/2] Add-MSCC-Phys-VSC8530-VSC8531-VSC8540-VSC8541

John Haechten john.haechten at microsemi.com
Fri Nov 18 01:09:45 CET 2016


>From 452bf05d5e3add67f2dded5537da4bb5d0527e70 Mon Sep 17 00:00:00 2001
From: John Haechten <john.haechten at microsemi.com>
Date: Mon, 14 Nov 2016 08:44:02 -0800
Subject: [PATCH 1/2] Add-MSCC-Phys-VSC8530-VSC8531-VSC8540-VSC8541 (C)
Copyright 2016 Microsemi Corporation, MIT License (MIT) Author:John Haechten
<john.haechten at microsemi.com> Signed-off-by:John Haechten
<john.haechten at microsemi.com>; Reviewed-by:Howard Hicks
<howard.hicks at microsemi.com>; Series-to:u-boot;phy; Cc:Allan Nielsen
<Allan.Nielsen at microsemi.com>; Tested-by:Howard Hicks
<Howard.Hicks at microsemi.com>
Series-name:Add-Support-for-MSCC-PHY-VSC8530-VSC8531-VSC8540-VSC8541
Cover-letter:   Add u-boot support for MSCC 1G Phy family:
VSC8530/VSC8531/VSC8540/VSC8541 END Series-notes:   Tested using
BeagleBoneBlack, bb.org-overlays, v2016.11-rc3, with
0001-am335x_evm-uEnv.txt-bootz-n-fixes.patch applied END

Signed-off-by: John Haechten <john.haechten at microsemi.com>
---

drivers/net/phy/Makefile            |   1 +
drivers/net/phy/mscc.c              | 462 ++++++++++++++++++++++++++++++++++++
drivers/net/phy/phy.c               |   3 +
include/config_phylib_all_drivers.h |   1 +
include/configs/am335x_evm.h        |   3 +
include/phy.h                       |   1 +
scripts/config_whitelist.txt        |   1 +
7 files changed, 472 insertions(+)
create mode 100644 drivers/net/phy/mscc.c

diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index 1e299b9..d372971 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -27,3 +27,4 @@ obj-$(CONFIG_PHY_TERANETICS) += teranetics.o
obj-$(CONFIG_PHY_TI) += ti.o
obj-$(CONFIG_PHY_XILINX) += xilinx_phy.o
obj-$(CONFIG_PHY_VITESSE) += vitesse.o
+obj-$(CONFIG_PHY_MSCC) += mscc.o
diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c
new file mode 100644
index 0000000..e6d8fcd
--- /dev/null
+++ b/drivers/net/phy/mscc.c
@@ -0,0 +1,462 @@
+/*
+ * Driver for Microsemi VSC85xx PHYs
+ *
+ * Author: John Haechten
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Microsemi Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <miiphy.h>
+
+/* Note: To include this PHY Driver file, #define CONFIG_PHY_MSCC */
+
+/* Microsemi PHY ID's */
+#define PHY_ID_VSC8530                  0x00070560
+#define PHY_ID_VSC8531                  0x00070570
+#define PHY_ID_VSC8540                  0x00070760
+#define PHY_ID_VSC8541                  0x00070770
+
+/* Microsemi VSC85xx PHY Register Pages */
+#define MSCC_EXT_PAGE_ACCESS            31     /* Page Access Register */
+#define MSCC_PHY_PAGE_STD          0x0000 /* Standard registers */
+#define MSCC_PHY_PAGE_EXT1         0x0001 /* Extended registers - page 1 */
+#define MSCC_PHY_PAGE_EXT2         0x0002 /* Extended registers - page 2 */
+#define MSCC_PHY_PAGE_EXT3         0x0003 /* Extended registers - page 3 */
+#define MSCC_PHY_PAGE_EXT4         0x0004 /* Extended registers - page 4 */
+#define MSCC_PHY_PAGE_GPIO         0x0010 /* GPIO registers */
+#define MSCC_PHY_PAGE_TEST         0x2A30 /* TEST Page registers */
+#define MSCC_PHY_PAGE_TR           0x52B5 /* Token Ring Page registers */
+
+/* MSCC PHY Auxiliary Control/Status Register */
+#define MIIM_AUX_CNTRL_STAT_REG          0x1c
+#define MIIM_AUX_CNTRL_STAT_ACTIPHY_TO   0x0004
+#define MIIM_AUX_CNTRL_STAT_F_DUPLEX     0x0020
+#define MIIM_AUX_CNTRL_STAT_SPEED_MASK   0x0018
+#define MIIM_AUX_CNTRL_STAT_SPEED_POS    (3)
+#define MIIM_AUX_CNTRL_STAT_SPEED_10M    (0x0)
+#define MIIM_AUX_CNTRL_STAT_SPEED_100M   (0x1)
+#define MIIM_AUX_CNTRL_STAT_SPEED_1000M  (0x2)
+
+#define MSCC_PHY_EXT_PHY_CNTL_1         23
+#define MAC_IF_SELECTION_MASK           0x1800
+#define MAC_IF_SELECTION_GMII           0
+#define MAC_IF_SELECTION_RMII           1
+#define MAC_IF_SELECTION_RGMII          2
+#define MAC_IF_SELECTION_POS            11
+#
+/* Extended Page 2 Registers */
+#define MSCC_PHY_RGMII_CNTL             20
+#define VSC_FAST_LINK_FAIL2_ENA_MASK    0x8000
+#define RGMII_RX_CLK_OUT_POS            11
+#define RGMII_RX_CLK_OUT_DIS            1
+#define RGMII_RX_CLK_DELAY_POS          4
+#define RGMII_RX_CLK_DELAY_MASK         0x0070
+#define RGMII_TX_CLK_DELAY_POS          0
+#define RGMII_TX_CLK_DELAY_MASK         0x0007
+
+#define MSCC_PHY_WOL_MAC_CONTROL        27
+#define EDGE_RATE_CNTL_POS              5
+#define EDGE_RATE_CNTL_MASK             0x00E0
+
+/* Token Ring Registers */
+#define MSCC_PHY_REG_TR_ADDR_16          16
+#define MSCC_PHY_REG_TR_DATA_17          17
+#define MSCC_PHY_REG_TR_DATA_18          18
+
+/* Token Ring Registers */
+#define MSCC_PHY_TR_LINKDETCTRL_POS      3
+#define MSCC_PHY_TR_LINKDETCTRL_MASK     0xffe7
+#define MSCC_PHY_TR_VGATHRESH100_POS     0
+#define MSCC_PHY_TR_VGATHRESH100_MASK    0xff80
+#define MSCC_PHY_TR_VGAGAIN10_U_POS      0
+#define MSCC_PHY_TR_VGAGAIN10_U_MASK     0xfffe
+#define MSCC_PHY_TR_VGAGAIN10_L_POS      12
+#define MSCC_PHY_TR_VGAGAIN10_L_MASK     0x0fff
+
+
+#define MSCC_PHY_RESET_TIMEOUT           (100)
+#define MSCC_PHY_MICRO_TIMEOUT           (500)
+
+
+/**< RGMII/GMII Clock Delay (Skew) Options */
+enum vsc_phy_rgmii_skew {
+     VSC_PHY_RGMII_DELAY_200_PS,
+     VSC_PHY_RGMII_DELAY_800_PS,
+     VSC_PHY_RGMII_DELAY_1100_PS,
+     VSC_PHY_RGMII_DELAY_1700_PS,
+     VSC_PHY_RGMII_DELAY_2000_PS,
+     VSC_PHY_RGMII_DELAY_2300_PS,
+     VSC_PHY_RGMII_DELAY_2600_PS,
+     VSC_PHY_RGMII_DELAY_3400_PS
+};
+
+/**< MAC i/f Clock Edge Rage Control (Slew), See Reg27E2  */
+enum vsc_phy_clk_slew {
+     VSC_PHY_CLK_SLEW_RATE_0,
+     VSC_PHY_CLK_SLEW_RATE_1,
+     VSC_PHY_CLK_SLEW_RATE_2,
+     VSC_PHY_CLK_SLEW_RATE_3,
+     VSC_PHY_CLK_SLEW_RATE_4,
+     VSC_PHY_CLK_SLEW_RATE_5,
+     VSC_PHY_CLK_SLEW_RATE_6,
+     VSC_PHY_CLK_SLEW_RATE_7
+};
+
+
+static int mscc_vsc8531_vsc8541_init_scripts(struct phy_device *phydev)
+{
+     u16 reg_val17;
+     u16 reg_val18;
+
+     /* Set to Access Token Ring Registers */
+     phy_write(phydev, MDIO_DEVAD_NONE,
+             MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
+
+     /* Update LinkDetectCtrl */
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, 0xA7F8);
+     reg_val17 = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_17);
+     reg_val17 &= MSCC_PHY_TR_LINKDETCTRL_MASK;
+     reg_val17 |= (3 << MSCC_PHY_TR_LINKDETCTRL_POS);
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_17, reg_val17);
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, 0x87F8);
+
+     /* Update VgaThresh100 */
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, 0xAFA4);
+     reg_val18 = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_18);
+     reg_val18 &= MSCC_PHY_TR_VGATHRESH100_MASK;
+     reg_val18 |= (24 << MSCC_PHY_TR_VGATHRESH100_POS);
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_18, reg_val18);
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, 0x8FA4);
+
+     /* Update VgaGain10 */
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, 0xAF92);
+     reg_val18 = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_18);
+     reg_val17 = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_17);
+     reg_val18 &= MSCC_PHY_TR_VGAGAIN10_U_MASK;
+     reg_val18 |= 0 << MSCC_PHY_TR_VGAGAIN10_U_POS;
+     reg_val17 &= MSCC_PHY_TR_VGAGAIN10_L_MASK;
+     reg_val17 |= (1 << MSCC_PHY_TR_VGAGAIN10_L_POS);
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_18, reg_val18);
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_17, reg_val17);
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, 0x8F92);
+
+     /* Set back to Access Standard Page Registers */
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS,
+             MSCC_PHY_PAGE_STD);
+
+     return 0;
+}
+
+static int mscc_parse_status(struct phy_device *phydev)
+{
+     u16 speed;
+     u16 mii_reg;
+
+     mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_AUX_CNTRL_STAT_REG);
+
+     if (mii_reg & MIIM_AUX_CNTRL_STAT_F_DUPLEX)
+           phydev->duplex = DUPLEX_FULL;
+     else
+           phydev->duplex = DUPLEX_HALF;
+
+     speed = mii_reg & MIIM_AUX_CNTRL_STAT_SPEED_MASK;
+     speed = speed >> MIIM_AUX_CNTRL_STAT_SPEED_POS;
+
+     switch (speed) {
+     case MIIM_AUX_CNTRL_STAT_SPEED_1000M:
+           phydev->speed = SPEED_1000;
+           break;
+     case MIIM_AUX_CNTRL_STAT_SPEED_100M:
+           phydev->speed = SPEED_100;
+           break;
+     case MIIM_AUX_CNTRL_STAT_SPEED_10M:
+           phydev->speed = SPEED_10;
+           break;
+     default:
+           phydev->speed = SPEED_10;
+           break;
+     }
+
+     return 0;
+}
+
+static int mscc_startup(struct phy_device *phydev)
+{
+     int ret;
+
+     ret = genphy_update_link(phydev);
+     if (ret)
+           return ret;
+     return mscc_parse_status(phydev);
+}
+
+static int mscc_phy_soft_reset(struct phy_device *phydev)
+{
+     int     rc = 0;
+     u16     timeout = MSCC_PHY_RESET_TIMEOUT;
+     u16     reg_val = 0;
+
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS,
+             MSCC_PHY_PAGE_STD);
+
+     reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
+     reg_val |= BMCR_RESET;
+     phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, reg_val);
+
+     reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
+
+     while ((reg_val & BMCR_RESET) && (timeout > 0)) {
+           reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
+           timeout--;
+           udelay(1000);   /* 1 ms */
+     }
+
+     if (timeout == 0)
+           rc = -ETIME;
+
+     return rc;
+}
+
+static int vsc8531_vsc8541_mac_config(struct phy_device *phydev)
+{
+     u16     reg_val = 0;
+
+     /* For VSC8530/31 the only MAC modes are RMII/RGMII. */
+     /* For VSC8540/41 the only MAC modes are (G)MII and RMII/RGMII. */
+     /* Setup MAC Configuration */
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS,
+             MSCC_PHY_PAGE_STD);
+
+     switch (phydev->interface) {
+     case PHY_INTERFACE_MODE_MII:
+     case PHY_INTERFACE_MODE_GMII:
+           /* Set Reg23.12:11=0 */
+           reg_val = phy_read(phydev, MDIO_DEVAD_NONE,
+                          MSCC_PHY_EXT_PHY_CNTL_1);
+           reg_val &= ~(MAC_IF_SELECTION_MASK);
+           reg_val |= MAC_IF_SELECTION_GMII << MAC_IF_SELECTION_POS;
+           phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_EXT_PHY_CNTL_1,
+                   reg_val);
+
+           /* Set Reg20E2.11=1 */
+           phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS,
+                  MSCC_PHY_PAGE_EXT2);
+           reg_val = phy_read(phydev, MDIO_DEVAD_NONE,
+                          MSCC_PHY_RGMII_CNTL);
+           reg_val &= ~(0x1 << RGMII_RX_CLK_OUT_POS);
+           reg_val |= (0x1 << RGMII_RX_CLK_OUT_POS);
+           phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL,
+                   reg_val);
+           printf("PHY 8531 config = (G)MII\n");
+           break;
+
+     case PHY_INTERFACE_MODE_RMII:
+           /* Set Reg23.12:11=1 */
+           reg_val = phy_read(phydev, MDIO_DEVAD_NONE,
+                          MSCC_PHY_EXT_PHY_CNTL_1);
+           reg_val &= ~(MAC_IF_SELECTION_MASK);
+           reg_val |= MAC_IF_SELECTION_RMII << MAC_IF_SELECTION_POS;
+           phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_EXT_PHY_CNTL_1,
+                   reg_val);
+
+           /* Clear Reg20E2.11=0 */
+           phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS,
+                   MSCC_PHY_PAGE_EXT2);
+           reg_val = phy_read(phydev, MDIO_DEVAD_NONE,
+                          MSCC_PHY_RGMII_CNTL);
+           reg_val &= ~(0x1 << RGMII_RX_CLK_OUT_POS);
+           phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL,
+                   reg_val);
+           printf("PHY 8531 config = RMII\n");
+           break;
+
+     case PHY_INTERFACE_MODE_RGMII:
+           /* Set Reg23.12:11=2 */
+           reg_val = phy_read(phydev, MDIO_DEVAD_NONE,
+                          MSCC_PHY_EXT_PHY_CNTL_1);
+           reg_val &= ~(MAC_IF_SELECTION_MASK);
+           reg_val |= MAC_IF_SELECTION_RGMII << MAC_IF_SELECTION_POS;
+           phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_EXT_PHY_CNTL_1,
+                   reg_val);
+
+           /* Clear Reg20E2.11=0 */
+           phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS,
+                   MSCC_PHY_PAGE_EXT2);
+           reg_val = phy_read(phydev, MDIO_DEVAD_NONE,
+                          MSCC_PHY_RGMII_CNTL);
+           reg_val &= ~(0x1 << RGMII_RX_CLK_OUT_POS);
+           phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL,
+                   reg_val);
+           printf("PHY 8531 config = RGMII\n");
+           break;
+
+     default:
+           return -EINVAL;
+     }
+
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS,
+            MSCC_PHY_PAGE_STD);
+     return 0;
+}
+
+static int vsc8531_config(struct phy_device *phydev)
+{
+     enum vsc_phy_rgmii_skew  rx_clk_skew = VSC_PHY_RGMII_DELAY_1700_PS;
+     enum vsc_phy_rgmii_skew  tx_clk_skew = VSC_PHY_RGMII_DELAY_800_PS;
+     enum vsc_phy_clk_slew  edge_rate = VSC_PHY_CLK_SLEW_RATE_4;
+     u16  reg_val;
+
+     /* For VSC8530/31 and VSC8540/41 the init scripts are the same */
+     mscc_vsc8531_vsc8541_init_scripts(phydev);
+
+     /* For VSC8530/31 the only MAC modes are RMII/RGMII. */
+     switch (phydev->interface) {
+     case PHY_INTERFACE_MODE_RMII:
+     case PHY_INTERFACE_MODE_RGMII:
+           vsc8531_vsc8541_mac_config(phydev);
+           mscc_phy_soft_reset(phydev);
+           break;
+     default:
+           printf("PHY 8531 MAC i/f config Error: mac i/f = 0x%x\n",
+                  phydev->interface);
+           return -EINVAL;
+     }
+
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS,
+             MSCC_PHY_PAGE_EXT2);
+     reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL);
+     reg_val &= ~(RGMII_RX_CLK_DELAY_MASK | RGMII_TX_CLK_DELAY_MASK);
+     reg_val |= (rx_clk_skew << RGMII_RX_CLK_DELAY_POS) |
+              (tx_clk_skew << RGMII_TX_CLK_DELAY_POS);
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL, reg_val);
+
+     reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_WOL_MAC_CONTROL);
+     reg_val &= ~(EDGE_RATE_CNTL_MASK);
+     reg_val |= edge_rate << EDGE_RATE_CNTL_POS;
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_WOL_MAC_CONTROL, reg_val);
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS,
+             MSCC_PHY_PAGE_STD);
+
+     printf("printf: PHY VSC8530/31 MAC i/f config done - going to ANEG\n");
+
+     genphy_config_aneg(phydev);
+
+     return 0;
+}
+
+static int vsc8541_config(struct phy_device *phydev)
+{
+     enum vsc_phy_rgmii_skew  rx_clk_skew = VSC_PHY_RGMII_DELAY_1700_PS;
+     enum vsc_phy_rgmii_skew  tx_clk_skew = VSC_PHY_RGMII_DELAY_800_PS;
+     enum vsc_phy_clk_slew  edge_rate = VSC_PHY_CLK_SLEW_RATE_4;
+     u16  reg_val;
+
+     /* For VSC8530/31 and VSC8540/41 the init scripts are the same */
+     mscc_vsc8531_vsc8541_init_scripts(phydev);
+
+     /* For VSC8540/41 the only MAC modes are (G)MII and RMII/RGMII. */
+     switch (phydev->interface) {
+     case PHY_INTERFACE_MODE_MII:
+     case PHY_INTERFACE_MODE_GMII:
+     case PHY_INTERFACE_MODE_RMII:
+     case PHY_INTERFACE_MODE_RGMII:
+           vsc8531_vsc8541_mac_config(phydev);
+           mscc_phy_soft_reset(phydev);
+           break;
+     default:
+           printf("PHY 8541 MAC i/f config Error: mac i/f = 0x%x\n",
+                 phydev->interface);
+           return -EINVAL;
+     }
+
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS,
+             MSCC_PHY_PAGE_EXT2);
+     reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL);
+     reg_val &= ~(RGMII_RX_CLK_DELAY_MASK | RGMII_TX_CLK_DELAY_MASK);
+     reg_val |= (rx_clk_skew << RGMII_RX_CLK_DELAY_POS) |
+              (tx_clk_skew << RGMII_TX_CLK_DELAY_POS);
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL, reg_val);
+
+     reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_WOL_MAC_CONTROL);
+     reg_val &= ~(EDGE_RATE_CNTL_MASK);
+     reg_val |= edge_rate << EDGE_RATE_CNTL_POS;
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_WOL_MAC_CONTROL, reg_val);
+     phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS,
+             MSCC_PHY_PAGE_STD);
+
+     printf("printf: PHY VSC8540/41 MAC i/f config done - going to ANEG\n");
+
+     genphy_config_aneg(phydev);
+
+     return 0;
+}
+
+static struct phy_driver VSC8530_driver = {
+     .name = "Microsemi VSC8530",
+     .uid = PHY_ID_VSC8530,
+     .mask = 0x000ffff0,
+     .features = PHY_BASIC_FEATURES,
+     .config = &vsc8531_config,
+     .startup = &mscc_startup,
+     .shutdown = &genphy_shutdown,
+};
+
+static struct phy_driver VSC8531_driver = {
+     .name = "Microsemi VSC8531",
+     .uid = PHY_ID_VSC8531,
+     .mask = 0x000ffff0,
+     .features = PHY_GBIT_FEATURES,
+     .config = &vsc8531_config,
+     .startup = &mscc_startup,
+     .shutdown = &genphy_shutdown,
+};
+
+static struct phy_driver VSC8540_driver = {
+     .name = "Microsemi VSC8540",
+     .uid = PHY_ID_VSC8540,
+     .mask = 0x000ffff0,
+     .features = PHY_BASIC_FEATURES,
+     .config = &vsc8541_config,
+     .startup = &mscc_startup,
+     .shutdown = &genphy_shutdown,
+};
+
+static struct phy_driver VSC8541_driver = {
+     .name = "Microsemi VSC8541",
+     .uid = PHY_ID_VSC8541,
+     .mask = 0x000ffff0,
+     .features = PHY_GBIT_FEATURES,
+     .config = &vsc8541_config,
+     .startup = &mscc_startup,
+     .shutdown = &genphy_shutdown,
+};
+
+int phy_mscc_init(void)
+{
+     phy_register(&VSC8530_driver);
+     phy_register(&VSC8531_driver);
+     phy_register(&VSC8540_driver);
+     phy_register(&VSC8541_driver);
+
+     return 0;
+}
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 80bdfb6..539abee 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -512,6 +512,9 @@ int phy_init(void)
#ifdef CONFIG_PHY_XILINX
     phy_xilinx_init();
#endif
+#ifdef CONFIG_PHY_MSCC
+        phy_mscc_init();
+#endif

      return 0;
}
diff --git a/include/config_phylib_all_drivers.h b/include/config_phylib_all_drivers.h
index 12828c6..d2965ed 100644
--- a/include/config_phylib_all_drivers.h
+++ b/include/config_phylib_all_drivers.h
@@ -14,6 +14,7 @@

 #ifdef CONFIG_PHYLIB

+#define CONFIG_PHY_MSCC
#define CONFIG_PHY_VITESSE
#define CONFIG_PHY_MARVELL
#define CONFIG_PHY_MICREL
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index ec70b72..694e249 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -433,6 +433,9 @@
#define CONFIG_PHY_SMSC
/* Enable Atheros phy driver */
#define CONFIG_PHY_ATHEROS
+/* Enable MSCC phy driver */
+#define CONFIG_PHY_MSCC
+

 /*
  * NOR Size = 16 MiB
diff --git a/include/phy.h b/include/phy.h
index 268d9a1..5477496 100644
--- a/include/phy.h
+++ b/include/phy.h
@@ -266,6 +266,7 @@ int phy_teranetics_init(void);
int phy_ti_init(void);
int phy_vitesse_init(void);
int phy_xilinx_init(void);
+int phy_mscc_init(void);

 int board_phy_config(struct phy_device *phydev);
int get_phy_id(struct mii_dev *bus, int addr, int devad, u32 *phy_id);
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index d476367..cb38b49 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -3553,6 +3553,7 @@ CONFIG_PHY_MICREL
CONFIG_PHY_MICREL_KSZ9021
CONFIG_PHY_MICREL_KSZ9031
CONFIG_PHY_MODE_NEED_CHANGE
+CONFIG_PHY_MSCC
CONFIG_PHY_NATSEMI
CONFIG_PHY_REALTEK
CONFIG_PHY_RESET
--
1.9.1




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