LXR uboot/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#include <hwconfig.h>
  14
  15u32 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_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1_1,
  23        [FM1_10GEC2] = FSL_CORENET_DEVDISR2_10GEC1_2,
  24};
  25
  26static int is_device_disabled(enum fm_port port)
  27{
  28        ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  29        u32 devdisr2 = in_be32(&gur->devdisr2);
  30
  31        return port_to_devdisr[port] & devdisr2;
  32}
  33
  34void fman_disable_port(enum fm_port port)
  35{
  36        ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  37
  38        setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
  39}
  40
  41void fman_enable_port(enum fm_port port)
  42{
  43        ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  44
  45        clrbits_be32(&gur->devdisr2, port_to_devdisr[port]);
  46}
  47
  48phy_interface_t fman_port_enet_if(enum fm_port port)
  49{
  50#if defined(CONFIG_TARGET_B4860QDS) || defined(CONFIG_TARGET_B4420QDS)
  51        u32 serdes2_prtcl;
  52        char buffer[HWCONFIG_BUFFER_SIZE];
  53        char *buf = NULL;
  54        ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  55#endif
  56
  57        if (is_device_disabled(port))
  58                return PHY_INTERFACE_MODE_NONE;
  59
  60        /*B4860 has two 10Gig Mac*/
  61        if ((port == FM1_10GEC1 || port == FM1_10GEC2)  &&
  62            ((is_serdes_configured(XAUI_FM1_MAC9))      ||
  63             #if (!defined(CONFIG_TARGET_B4860QDS) && \
  64                  !defined(CONFIG_TARGET_B4R420QDS))
  65             (is_serdes_configured(XFI_FM1_MAC9))       ||
  66             (is_serdes_configured(XFI_FM1_MAC10))      ||
  67             #endif
  68             (is_serdes_configured(XAUI_FM1_MAC10))
  69             ))
  70                return PHY_INTERFACE_MODE_XGMII;
  71
  72#if defined(CONFIG_TARGET_B4860QDS) || defined(CONFIG_TARGET_B4420QDS)
  73        serdes2_prtcl = in_be32(&gur->rcwsr[4]) &
  74                        FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
  75
  76        if (serdes2_prtcl) {
  77                serdes2_prtcl >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
  78                switch (serdes2_prtcl) {
  79                case 0x80:
  80                case 0x81:
  81                case 0x82:
  82                case 0x83:
  83                case 0x84:
  84                case 0x85:
  85                case 0x86:
  86                case 0x87:
  87                case 0x88:
  88                case 0x89:
  89                case 0x8a:
  90                case 0x8b:
  91                case 0x8c:
  92                case 0x8d:
  93                case 0x8e:
  94                case 0xb1:
  95                case 0xb2:
  96                        /*
  97                         * Extract hwconfig from environment since environment
  98                         * is not setup yet
  99                         */
 100                        getenv_f("hwconfig", buffer, sizeof(buffer));
 101                        buf = buffer;
 102
 103                        /* check if XFI interface enable in hwconfig for 10g */
 104                        if (hwconfig_subarg_cmp_f("fsl_b4860_serdes2",
 105                                                  "sfp_amc", "sfp", buf)) {
 106                                if ((port == FM1_10GEC1 ||
 107                                     port == FM1_10GEC2) &&
 108                                    ((is_serdes_configured(XFI_FM1_MAC9)) ||
 109                                    (is_serdes_configured(XFI_FM1_MAC10))))
 110                                        return PHY_INTERFACE_MODE_XGMII;
 111                                else if ((port == FM1_DTSEC1) ||
 112                                         (port == FM1_DTSEC2) ||
 113                                         (port == FM1_DTSEC3) ||
 114                                         (port == FM1_DTSEC4))
 115                                        return PHY_INTERFACE_MODE_NONE;
 116                        }
 117                }
 118        }
 119#endif
 120
 121        /* Fix me need to handle RGMII here first */
 122
 123        switch (port) {
 124        case FM1_DTSEC1:
 125        case FM1_DTSEC2:
 126        case FM1_DTSEC3:
 127        case FM1_DTSEC4:
 128        case FM1_DTSEC5:
 129        case FM1_DTSEC6:
 130                if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1))
 131                        return PHY_INTERFACE_MODE_SGMII;
 132                break;
 133        default:
 134                return PHY_INTERFACE_MODE_NONE;
 135        }
 136
 137        return PHY_INTERFACE_MODE_NONE;
 138}
 139