package/boot/uboot-oxnas/patches/200-icplus-phy.patch

   1 From e719404ee1241af679a51879eaad291bc27e4817 Mon Sep 17 00:00:00 2001
   2 From: Daniel Golle <daniel@makrotopia.org>
   3 Date: Tue, 2 Dec 2014 14:46:05 +0100
   4 Subject: [PATCH] net/phy: add back icplus driver
   5
   6 IC+ phy driver was removed due to the lack of users some time ago.
   7 Add it back, so we can use it.
   8 ---
   9  drivers/net/phy/Makefile |  1 +
  10  drivers/net/phy/icplus.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++++
  11  drivers/net/phy/phy.c    |  3 ++
  12  3 files changed, 84 insertions(+)
  13  create mode 100644 drivers/net/phy/icplus.c
  14
  15 --- a/drivers/net/phy/Makefile
  16 +++ b/drivers/net/phy/Makefile
  17 @@ -15,6 +15,7 @@ obj-$(CONFIG_PHY_ATHEROS) += atheros.o
  18  obj-$(CONFIG_PHY_BROADCOM) += broadcom.o
  19  obj-$(CONFIG_PHY_DAVICOM) += davicom.o
  20  obj-$(CONFIG_PHY_ET1011C) += et1011c.o
  21 +obj-$(CONFIG_PHY_ICPLUS) += icplus.o
  22  obj-$(CONFIG_PHY_LXT) += lxt.o
  23  obj-$(CONFIG_PHY_MARVELL) += marvell.o
  24  obj-$(CONFIG_PHY_MICREL) += micrel.o
  25 --- /dev/null
  26 +++ b/drivers/net/phy/icplus.c
  27 @@ -0,0 +1,80 @@
  28 +/*
  29 + * ICPlus PHY drivers
  30 + *
  31 + * SPDX-License-Identifier:    GPL-2.0+
  32 + *
  33 + * Copyright (c) 2007 Freescale Semiconductor, Inc.
  34 + */
  35 +#include <phy.h>
  36 +
  37 +/* IP101A/G - IP1001 */
  38 +#define IP10XX_SPEC_CTRL_STATUS         16      /* Spec. Control Register */
  39 +#define IP1001_SPEC_CTRL_STATUS_2       20      /* IP1001 Spec. Control Reg 2 */
  40 +#define IP1001_PHASE_SEL_MASK           3       /* IP1001 RX/TXPHASE_SEL */
  41 +#define IP1001_APS_ON                   11      /* IP1001 APS Mode  bit */
  42 +#define IP101A_G_APS_ON                 2       /* IP101A/G APS Mode bit */
  43 +#define IP101A_G_IRQ_CONF_STATUS        0x11    /* Conf Info IRQ & Status Reg */
  44 +#define IP101A_G_IRQ_PIN_USED           (1<<15) /* INTR pin used */
  45 +#define IP101A_G_IRQ_DEFAULT            IP101A_G_IRQ_PIN_USED
  46 +
  47 +static int ip1001_config(struct phy_device *phydev)
  48 +{
  49 +       int c;
  50 +
  51 +       /* Enable Auto Power Saving mode */
  52 +       c = phy_read(phydev, MDIO_DEVAD_NONE, IP1001_SPEC_CTRL_STATUS_2);
  53 +       if (c < 0)
  54 +               return c;
  55 +       c |= IP1001_APS_ON;
  56 +       c = phy_write(phydev, MDIO_DEVAD_NONE, IP1001_SPEC_CTRL_STATUS_2, c);
  57 +       if (c < 0)
  58 +               return c;
  59 +
  60 +       /* INTR pin used: speed/link/duplex will cause an interrupt */
  61 +       c = phy_write(phydev, MDIO_DEVAD_NONE, IP101A_G_IRQ_CONF_STATUS,
  62 +                     IP101A_G_IRQ_DEFAULT);
  63 +       if (c < 0)
  64 +               return c;
  65 +
  66 +       if (phydev->interface == PHY_INTERFACE_MODE_RGMII) {
  67 +               /*
  68 +                * Additional delay (2ns) used to adjust RX clock phase
  69 +                * at RGMII interface
  70 +                */
  71 +               c = phy_read(phydev, MDIO_DEVAD_NONE, IP10XX_SPEC_CTRL_STATUS);
  72 +               if (c < 0)
  73 +                       return c;
  74 +
  75 +               c |= IP1001_PHASE_SEL_MASK;
  76 +               c = phy_write(phydev, MDIO_DEVAD_NONE, IP10XX_SPEC_CTRL_STATUS,
  77 +                             c);
  78 +               if (c < 0)
  79 +                       return c;
  80 +       }
  81 +
  82 +       return 0;
  83 +}
  84 +
  85 +static int ip1001_startup(struct phy_device *phydev)
  86 +{
  87 +       genphy_update_link(phydev);
  88 +       genphy_parse_link(phydev);
  89 +
  90 +       return 0;
  91 +}
  92 +static struct phy_driver IP1001_driver = {
  93 +       .name = "ICPlus IP1001",
  94 +       .uid = 0x02430d90,
  95 +       .mask = 0x0ffffff0,
  96 +       .features = PHY_GBIT_FEATURES,
  97 +       .config = &ip1001_config,
  98 +       .startup = &ip1001_startup,
  99 +       .shutdown = &genphy_shutdown,
 100 +};
 101 +
 102 +int phy_icplus_init(void)
 103 +{
 104 +       phy_register(&IP1001_driver);
 105 +
 106 +       return 0;
 107 +}
 108 --- a/drivers/net/phy/phy.c
 109 +++ b/drivers/net/phy/phy.c
 110 @@ -454,6 +454,9 @@ int phy_init(void)
 111  #ifdef CONFIG_PHY_ET1011C
 112         phy_et1011c_init();
 113  #endif
 114 +#ifdef CONFIG_PHY_ICPLUS
 115 +       phy_icplus_init();
 116 +#endif
 117  #ifdef CONFIG_PHY_LXT
 118         phy_lxt_init();
 119  #endif
 120 --- a/include/phy.h
 121 +++ b/include/phy.h
 122 @@ -225,6 +225,7 @@ int phy_atheros_init(void);
 123  int phy_broadcom_init(void);
 124  int phy_davicom_init(void);
 125  int phy_et1011c_init(void);
 126 +int phy_icplus_init(void);
 127  int phy_lxt_init(void);
 128  int phy_marvell_init(void);
 129  int phy_micrel_init(void);