drivers/net/fm/b4860.c

   1 /*
   2  * Copyright 2012 Freescale Semiconductor, Inc.
   3  *      Roy Zang <tie-fei.zang@freescale.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7 #include <common.h>
   8 #include <phy.h>
   9 #include <fm_eth.h>
  10 #include <asm/io.h>
  11 #include <asm/immap_85xx.h>
  12 #include <asm/fsl_serdes.h>
  13
  14 u32 port_to_devdisr[] = {
  15         [FM1_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC1_1,
  16         [FM1_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC1_2,
  17         [FM1_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC1_3,
  18         [FM1_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC1_4,
  19         [FM1_DTSEC5] = FSL_CORENET_DEVDISR2_DTSEC1_5,
  20         [FM1_DTSEC6] = FSL_CORENET_DEVDISR2_DTSEC1_6,
  21         [FM1_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1_1,
  22         [FM1_10GEC2] = FSL_CORENET_DEVDISR2_10GEC1_2,
  23 };
  24
  25 static int is_device_disabled(enum fm_port port)
  26 {
  27         ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  28         u32 devdisr2 = in_be32(&gur->devdisr2);
  29
  30         return port_to_devdisr[port] & devdisr2;
  31 }
  32
  33 void fman_disable_port(enum fm_port port)
  34 {
  35         ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  36
  37         setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
  38 }
  39
  40 void fman_enable_port(enum fm_port port)
  41 {
  42         ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  43
  44         clrbits_be32(&gur->devdisr2, port_to_devdisr[port]);
  45 }
  46
  47 phy_interface_t fman_port_enet_if(enum fm_port port)
  48 {
  49         if (is_device_disabled(port))
  50                 return PHY_INTERFACE_MODE_NONE;
  51
  52         /*B4860 has two 10Gig Mac*/
  53         if ((port == FM1_10GEC1 || port == FM1_10GEC2)  &&
  54             ((is_serdes_configured(XAUI_FM1_MAC9))      ||
  55             (is_serdes_configured(XAUI_FM1_MAC10))))
  56                 return PHY_INTERFACE_MODE_XGMII;
  57
  58         /* Fix me need to handle RGMII here first */
  59
  60         switch (port) {
  61         case FM1_DTSEC1:
  62         case FM1_DTSEC2:
  63         case FM1_DTSEC3:
  64         case FM1_DTSEC4:
  65         case FM1_DTSEC5:
  66         case FM1_DTSEC6:
  67                 if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1))
  68                         return PHY_INTERFACE_MODE_SGMII;
  69                 break;
  70         default:
  71                 return PHY_INTERFACE_MODE_NONE;
  72         }
  73
  74         return PHY_INTERFACE_MODE_NONE;
  75 }