LXR uboot/arch/arm/cpu/armv8/fsl-layerscape/ls1012a

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright 2016 Freescale Semiconductor, Inc.
   4 */
   5
   6#include <common.h>
   7#include <asm/arch/fsl_serdes.h>
   8#include <asm/arch/immap_lsch2.h>
   9
  10struct serdes_config {
  11        u32 protocol;
  12        u8 lanes[SRDS_MAX_LANES];
  13};
  14
  15static struct serdes_config serdes1_cfg_tbl[] = {
  16        {0x2208, {SGMII_2500_FM1_DTSEC1, SGMII_2500_FM1_DTSEC2, NONE, SATA1} },
  17        {0x0008, {NONE, NONE, NONE, SATA1} },
  18        {0x3508, {SGMII_FM1_DTSEC1, PCIE1, NONE, SATA1} },
  19        {0x3305, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, NONE, PCIE1} },
  20        {0x2205, {SGMII_2500_FM1_DTSEC1, SGMII_2500_FM1_DTSEC2, NONE, PCIE1} },
  21        {0x2305, {SGMII_2500_FM1_DTSEC1, SGMII_FM1_DTSEC2, NONE, PCIE1} },
  22        {0x9508, {TX_CLK, PCIE1, NONE, SATA1} },
  23        {0x3905, {SGMII_FM1_DTSEC1, TX_CLK, NONE, PCIE1} },
  24        {0x9305, {TX_CLK, SGMII_FM1_DTSEC2, NONE, PCIE1} },
  25        {}
  26};
  27
  28static struct serdes_config *serdes_cfg_tbl[] = {
  29        serdes1_cfg_tbl,
  30};
  31
  32enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane)
  33{
  34        struct serdes_config *ptr;
  35
  36        if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
  37                return 0;
  38
  39        ptr = serdes_cfg_tbl[serdes];
  40        while (ptr->protocol) {
  41                if (ptr->protocol == cfg)
  42                        return ptr->lanes[lane];
  43                ptr++;
  44        }
  45
  46        return 0;
  47}
  48
  49int is_serdes_prtcl_valid(int serdes, u32 prtcl)
  50{
  51        int i;
  52        struct serdes_config *ptr;
  53
  54        if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
  55                return 0;
  56
  57        ptr = serdes_cfg_tbl[serdes];
  58        while (ptr->protocol) {
  59                if (ptr->protocol == prtcl)
  60                        break;
  61                ptr++;
  62        }
  63
  64        if (!ptr->protocol)
  65                return 0;
  66
  67        for (i = 0; i < SRDS_MAX_LANES; i++) {
  68                if (ptr->lanes[i] != NONE)
  69                        return 1;
  70        }
  71
  72        return 0;
  73}
  74