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212 Atheros AR8132 / L1c Gigabit Ethernet Adapter

@@ -1,6 +1,32 @@
 /*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2012 Gary Mills
+ *
+ * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+ */
+/*
  * Copyright (c) 2008, Pyun YongHyeon <yongari@FreeBSD.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions

@@ -28,10 +54,11 @@
 #include <sys/mii.h>
 #include <sys/miiregs.h>
 
 #include "atge.h"
 #include "atge_cmn_reg.h"
+#include "atge_l1c_reg.h"
 #include "atge_l1e_reg.h"
 #include "atge_l1_reg.h"
 
 uint16_t
 atge_mii_read(void *arg, uint8_t phy, uint8_t reg)

@@ -88,11 +115,11 @@
         OUTL(atgep, ATGE_MDIO, MDIO_OP_EXECUTE | MDIO_OP_WRITE |
             (val & MDIO_DATA_MASK) << MDIO_DATA_SHIFT |
             MDIO_SUP_PREAMBLE | MDIO_CLK_25_4 | MDIO_REG_ADDR(reg));
 
         for (i = PHY_TIMEOUT; i > 0; i--) {
-                drv_usecwait(1);
+                drv_usecwait(5);
                 v = INL(atgep, ATGE_MDIO);
                 if ((v & (MDIO_OP_EXECUTE | MDIO_OP_BUSY)) == 0)
                         break;
         }
 

@@ -208,5 +235,149 @@
 
                 atge_mii_write(atgep, phyaddr, ATPHY_DBG_ADDR, 0);
                 atge_mii_write(atgep, phyaddr, ATPHY_DBG_DATA, 0x024E);
         }
 }
+
+void
+atge_l1c_mii_reset(void *arg)
+{
+        atge_t *atgep = arg;
+        uint16_t data;
+        int phyaddr;
+
+        phyaddr = mii_get_addr(atgep->atge_mii);
+
+        /* Reset magic from Linux, via Freebsd */
+        OUTW(atgep, ATGE_GPHY_CTRL,
+            GPHY_CTRL_HIB_EN | GPHY_CTRL_HIB_PULSE | GPHY_CTRL_SEL_ANA_RESET);
+        (void) INW(atgep, ATGE_GPHY_CTRL);
+        drv_usecwait(10 * 1000);
+
+        OUTW(atgep, ATGE_GPHY_CTRL,
+            GPHY_CTRL_EXT_RESET | GPHY_CTRL_HIB_EN | GPHY_CTRL_HIB_PULSE |
+            GPHY_CTRL_SEL_ANA_RESET);
+        (void) INW(atgep, ATGE_GPHY_CTRL);
+        drv_usecwait(10 * 1000);
+
+        /*
+         * Some fast ethernet chips may not be able to auto-nego with
+         * switches even though they have 1000T based PHY. Hence we need
+         * to write 0 to MII_MSCONTROL control register.
+         */
+        if (atgep->atge_flags & ATGE_FLAG_FASTETHER)
+                atge_mii_write(atgep, phyaddr, MII_MSCONTROL, 0x0);
+
+        /* DSP fixup, Vendor magic. */
+        switch (ATGE_DID(atgep)) {
+                uint16_t reg;
+
+        case ATGE_CHIP_AR8152V1_DEV_ID:
+                atge_mii_write(atgep, phyaddr, ATPHY_DBG_ADDR, 0x000A);
+                reg = atge_mii_read(atgep, phyaddr, ATPHY_DBG_DATA);
+                atge_mii_write(atgep, phyaddr, ATPHY_DBG_DATA, reg & 0xDFFF);
+                /* FALLTHROUGH */
+        case ATGE_CHIP_AR8151V2_DEV_ID:
+        case ATGE_CHIP_AR8151V1_DEV_ID:
+        case ATGE_CHIP_AR8152V2_DEV_ID:
+                atge_mii_write(atgep, phyaddr, ATPHY_DBG_ADDR, 0x003B);
+                reg = atge_mii_read(atgep, phyaddr, ATPHY_DBG_DATA);
+                atge_mii_write(atgep, phyaddr, ATPHY_DBG_DATA, reg & 0xFFF7);
+                drv_usecwait(20 * 1000);
+                break;
+        }
+
+        switch (ATGE_DID(atgep)) {
+        case ATGE_CHIP_AR8151V1_DEV_ID:
+                atge_mii_write(atgep, phyaddr, ATPHY_DBG_ADDR, 0x0029);
+                atge_mii_write(atgep, phyaddr, ATPHY_DBG_DATA, 0x929D);
+                break;
+        case ATGE_CHIP_AR8151V2_DEV_ID:
+        case ATGE_CHIP_AR8152V2_DEV_ID:
+        case ATGE_CHIP_L1CG_DEV_ID:
+        case ATGE_CHIP_L1CF_DEV_ID:
+                atge_mii_write(atgep, phyaddr, ATPHY_DBG_ADDR, 0x0029);
+                atge_mii_write(atgep, phyaddr, ATPHY_DBG_DATA, 0xB6DD);
+                break;
+        }
+
+        /* Load DSP codes, vendor magic. */
+        data = ANA_LOOP_SEL_10BT | ANA_EN_MASK_TB | ANA_EN_10BT_IDLE |
+            ((1 << ANA_INTERVAL_SEL_TIMER_SHIFT) &
+            ANA_INTERVAL_SEL_TIMER_MASK);
+        atge_mii_write(atgep, phyaddr,
+            ATPHY_DBG_ADDR, MII_ANA_CFG18);
+        atge_mii_write(atgep, phyaddr,
+            ATPHY_DBG_DATA, data);
+
+        data = ((2 << ANA_SERDES_CDR_BW_SHIFT) & ANA_SERDES_CDR_BW_MASK) |
+            ANA_MS_PAD_DBG | ANA_SERDES_EN_DEEM | ANA_SERDES_SEL_HSP |
+            ANA_SERDES_EN_PLL | ANA_SERDES_EN_LCKDT;
+        atge_mii_write(atgep, phyaddr,
+            ATPHY_DBG_ADDR, MII_ANA_CFG5);
+        atge_mii_write(atgep, phyaddr,
+            ATPHY_DBG_DATA, data);
+
+        data = ((44 << ANA_LONG_CABLE_TH_100_SHIFT) &
+            ANA_LONG_CABLE_TH_100_MASK) |
+            ((33 << ANA_SHORT_CABLE_TH_100_SHIFT) &
+            ANA_SHORT_CABLE_TH_100_SHIFT) |
+            ANA_BP_BAD_LINK_ACCUM | ANA_BP_SMALL_BW;
+        atge_mii_write(atgep, phyaddr,
+            ATPHY_DBG_ADDR, MII_ANA_CFG54);
+        atge_mii_write(atgep, phyaddr,
+            ATPHY_DBG_DATA, data);
+
+        data = ((11 << ANA_IECHO_ADJ_3_SHIFT) & ANA_IECHO_ADJ_3_MASK) |
+            ((11 << ANA_IECHO_ADJ_2_SHIFT) & ANA_IECHO_ADJ_2_MASK) |
+            ((8 << ANA_IECHO_ADJ_1_SHIFT) & ANA_IECHO_ADJ_1_MASK) |
+            ((8 << ANA_IECHO_ADJ_0_SHIFT) & ANA_IECHO_ADJ_0_MASK);
+        atge_mii_write(atgep, phyaddr,
+            ATPHY_DBG_ADDR, MII_ANA_CFG4);
+        atge_mii_write(atgep, phyaddr,
+            ATPHY_DBG_DATA, data);
+
+        data = ((7 & ANA_MANUL_SWICH_ON_SHIFT) & ANA_MANUL_SWICH_ON_MASK) |
+            ANA_RESTART_CAL | ANA_MAN_ENABLE | ANA_SEL_HSP | ANA_EN_HB |
+            ANA_OEN_125M;
+        atge_mii_write(atgep, phyaddr,
+            ATPHY_DBG_ADDR, MII_ANA_CFG0);
+        atge_mii_write(atgep, phyaddr,
+            ATPHY_DBG_DATA, data);
+        drv_usecwait(1000);
+}
+
+uint16_t
+atge_l1c_mii_read(void *arg, uint8_t phy, uint8_t reg)
+{
+
+        if (phy != 0) {
+                /* avoid PHY address alias */
+                return (0xffffU);
+        }
+
+        return (atge_mii_read(arg, phy, reg));
+}
+
+void
+atge_l1c_mii_write(void *arg, uint8_t phy, uint8_t reg, uint16_t val)
+{
+
+        if (phy != 0) {
+                /* avoid PHY address alias */
+                return;
+        }
+
+        if (reg == MII_CONTROL) {
+                /*
+                 * Don't issue a reset if MII_CONTROL_RESET is set.
+                 * Otherwise it occasionally
+                 * advertises incorrect capability.
+                 */
+                if ((val & MII_CONTROL_RESET) == 0) {
+                        /* RESET bit is required to set mode */
+                        atge_mii_write(arg, phy, reg, val | MII_CONTROL_RESET);
+                }
+        } else {
+                atge_mii_write(arg, phy, reg, val);
+        }
+}