drivers/net/fm/t1040.c

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