drivers/net/fm/t1040.c

   1 /*
   2  * Copyright 2013 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6 #include <common.h>
   7 #include <phy.h>
   8 #include <fm_eth.h>
   9 #include <asm/io.h>
  10 #include <asm/immap_85xx.h>
  11 #include <asm/fsl_serdes.h>
  12
  13 phy_interface_t fman_port_enet_if(enum fm_port port)
  14 {
  15         ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  16         u32 rcwsr13 = in_be32(&gur->rcwsr[13]);
  17
  18         /* handle RGMII first */
  19         if ((port == FM1_DTSEC2) &&
  20             ((rcwsr13 & FSL_CORENET_RCWSR13_MAC2_GMII_SEL) ==
  21                         FSL_CORENET_RCWSR13_MAC2_GMII_SEL_ENET_PORT)) {
  22                 if ((rcwsr13 & FSL_CORENET_RCWSR13_EC1) ==
  23                                 FSL_CORENET_RCWSR13_EC1_FM1_DTSEC4_RGMII)
  24                         return PHY_INTERFACE_MODE_RGMII;
  25                 else if ((rcwsr13 & FSL_CORENET_RCWSR13_EC1) ==
  26                                 FSL_CORENET_RCWSR13_EC1_FM1_DTSEC4_MII)
  27                         return PHY_INTERFACE_MODE_MII;
  28         }
  29
  30         if ((port == FM1_DTSEC4) &&
  31             ((rcwsr13 & FSL_CORENET_RCWSR13_MAC2_GMII_SEL) ==
  32                         FSL_CORENET_RCWSR13_MAC2_GMII_SEL_L2_SWITCH)) {
  33                 if ((rcwsr13 & FSL_CORENET_RCWSR13_EC1) ==
  34                                 FSL_CORENET_RCWSR13_EC1_FM1_DTSEC4_RGMII)
  35                         return PHY_INTERFACE_MODE_RGMII;
  36                 else if ((rcwsr13 & FSL_CORENET_RCWSR13_EC1) ==
  37                                 FSL_CORENET_RCWSR13_EC1_FM1_DTSEC4_MII)
  38                         return PHY_INTERFACE_MODE_MII;
  39         }
  40
  41         if (port == FM1_DTSEC5) {
  42                 if ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) ==
  43                                 FSL_CORENET_RCWSR13_EC2_FM1_DTSEC5_RGMII)
  44                         return PHY_INTERFACE_MODE_RGMII;
  45                 else if ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) ==
  46                                 FSL_CORENET_RCWSR13_EC2_FM1_DTSEC5_MII)
  47                         return PHY_INTERFACE_MODE_MII;
  48         }
  49
  50         switch (port) {
  51         case FM1_DTSEC1:
  52         case FM1_DTSEC2:
  53                 if (is_serdes_configured(QSGMII_SW1_A + port - FM1_DTSEC1) ||
  54                     is_serdes_configured(SGMII_SW1_MAC1  + port - FM1_DTSEC1))
  55                         return PHY_INTERFACE_MODE_QSGMII;
  56         case FM1_DTSEC3:
  57         case FM1_DTSEC4:
  58         case FM1_DTSEC5:
  59                 if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1))
  60                         return PHY_INTERFACE_MODE_SGMII;
  61                 break;
  62         default:
  63                 return PHY_INTERFACE_MODE_NONE;
  64         }
  65
  66         return PHY_INTERFACE_MODE_NONE;
  67 }