drivers/net/fm/t2080.c

   1 /*
   2  * Copyright 2012 Freescale Semiconductor, Inc.
   3  *
   4  * Shengzhou Liu <Shengzhou.Liu@freescale.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <common.h>
  10 #include <phy.h>
  11 #include <fm_eth.h>
  12 #include <asm/immap_85xx.h>
  13 #include <asm/fsl_serdes.h>
  14
  15 u32 port_to_devdisr[] = {
  16         [FM1_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC1_1,
  17         [FM1_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC1_2,
  18         [FM1_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC1_3,
  19         [FM1_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC1_4,
  20         [FM1_DTSEC5] = FSL_CORENET_DEVDISR2_DTSEC1_5,
  21         [FM1_DTSEC6] = FSL_CORENET_DEVDISR2_DTSEC1_6,
  22         [FM1_DTSEC9] = FSL_CORENET_DEVDISR2_DTSEC1_9,
  23         [FM1_DTSEC10] = FSL_CORENET_DEVDISR2_DTSEC1_10,
  24         [FM1_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1_1,
  25         [FM1_10GEC2] = FSL_CORENET_DEVDISR2_10GEC1_2,
  26         [FM1_10GEC3] = FSL_CORENET_DEVDISR2_10GEC1_3,
  27         [FM1_10GEC4] = FSL_CORENET_DEVDISR2_10GEC1_4,
  28 };
  29
  30 static int is_device_disabled(enum fm_port port)
  31 {
  32         ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  33         u32 devdisr2 = in_be32(&gur->devdisr2);
  34
  35         return port_to_devdisr[port] & devdisr2;
  36 }
  37
  38 void fman_disable_port(enum fm_port port)
  39 {
  40         ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  41
  42         setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
  43 }
  44
  45 phy_interface_t fman_port_enet_if(enum fm_port port)
  46 {
  47         ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  48         u32 rcwsr13 = in_be32(&gur->rcwsr[13]);
  49
  50         if (is_device_disabled(port))
  51                 return PHY_INTERFACE_MODE_NONE;
  52
  53         if ((port == FM1_10GEC1 || port == FM1_10GEC2) &&
  54             ((is_serdes_configured(XAUI_FM1_MAC9))      ||
  55              (is_serdes_configured(XFI_FM1_MAC9))       ||
  56              (is_serdes_configured(XFI_FM1_MAC10))))
  57                 return PHY_INTERFACE_MODE_XGMII;
  58
  59         if ((port == FM1_10GEC3 || port == FM1_10GEC4) &&
  60             ((is_serdes_configured(XFI_FM1_MAC1))       ||
  61              (is_serdes_configured(XFI_FM1_MAC2))))
  62                 return PHY_INTERFACE_MODE_XGMII;
  63
  64         if ((port == FM1_DTSEC3) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC1) ==
  65                 FSL_CORENET_RCWSR13_EC1_DTSEC3_RGMII))
  66                 return PHY_INTERFACE_MODE_RGMII;
  67
  68         if ((port == FM1_DTSEC4) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) ==
  69                 FSL_CORENET_RCWSR13_EC2_DTSEC4_RGMII))
  70                 return PHY_INTERFACE_MODE_RGMII;
  71
  72         if ((port == FM1_DTSEC10) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) ==
  73                 FSL_CORENET_RCWSR13_EC2_DTSEC10_RGMII))
  74                 return PHY_INTERFACE_MODE_RGMII;
  75
  76         switch (port) {
  77         case FM1_DTSEC1:
  78         case FM1_DTSEC2:
  79         case FM1_DTSEC3:
  80         case FM1_DTSEC4:
  81         case FM1_DTSEC5:
  82         case FM1_DTSEC6:
  83         case FM1_DTSEC9:
  84         case FM1_DTSEC10:
  85                 if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1))
  86                         return PHY_INTERFACE_MODE_SGMII;
  87                 break;
  88         default:
  89                 return PHY_INTERFACE_MODE_NONE;
  90         }
  91
  92         return PHY_INTERFACE_MODE_NONE;
  93 }