uboot/arch/arm/cpu/armv8/fsl-layerscape/lx2160a_serdes.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright 2018, 2020 NXP
   4 */
   5
   6#include <common.h>
   7#include <asm/arch/fsl_serdes.h>
   8
   9struct serdes_config {
  10        u8 protocol;
  11        u8 lanes[SRDS_MAX_LANES];
  12};
  13
  14#if defined(CONFIG_ARCH_LX2162A)
  15static struct serdes_config serdes1_cfg_tbl[] = {
  16        /* SerDes 1 */
  17        {0x01, {PCIE1, PCIE1, PCIE1, PCIE1 } },
  18        {0x02, {SGMII6, SGMII5, SGMII4, SGMII3 } },
  19        {0x03, {XFI6, XFI5, XFI4, XFI3 } },
  20        {0x09, {SGMII6, SGMII5, SGMII4, PCIE1 } },
  21        {0x0B, {SGMII6, SGMII5, PCIE1, PCIE1 } },
  22        {0x0F, {_50GE2, _50GE2, _50GE1, _50GE1 } },
  23        {0x10, {_25GE6, _25GE5, _50GE1, _50GE1 } },
  24        {0x11, {_25GE6, _25GE5, _25GE4, _25GE3 } },
  25        {0x12, {_25GE6, _25GE5, XFI4, XFI3 } },
  26        {0x14, {_40GE1, _40GE1, _40GE1, _40GE1 } },
  27        {}
  28};
  29#else
  30static struct serdes_config serdes1_cfg_tbl[] = {
  31        /* SerDes 1 */
  32        {0x01, {PCIE2, PCIE2, PCIE2, PCIE2, PCIE1, PCIE1, PCIE1, PCIE1 } },
  33        {0x02, {PCIE2, PCIE2, PCIE2, PCIE2, SGMII6, SGMII5, SGMII4, SGMII3 } },
  34        {0x03, {PCIE2, PCIE2, PCIE2, PCIE2, XFI6, XFI5, XFI4,
  35                XFI3 } },
  36        {0x04, {SGMII10, SGMII9, SGMII8, SGMII7, SGMII6, SGMII5, SGMII4,
  37                SGMII3 } },
  38        {0x05, {XFI10, XFI9, XFI8, XFI7, PCIE1, PCIE1, PCIE1,
  39                PCIE1 } },
  40        {0x06, {SGMII10, SGMII9, SGMII8, SGMII7, SGMII6, SGMII5, XFI4,
  41                XFI3 } },
  42        {0x07, {SGMII10, SGMII9, SGMII8, SGMII7, XFI6, XFI5, XFI4,
  43                XFI3 } },
  44        {0x08, {XFI10, XFI9, XFI8, XFI7, XFI6, XFI5, XFI4, XFI3 } },
  45        {0x09, {SGMII10, SGMII9, SGMII8, PCIE2, SGMII6, SGMII5, SGMII4,
  46                PCIE1 } },
  47        {0x0A, {XFI10, XFI9, XFI8, PCIE2, XFI6, XFI5, XFI4, PCIE1 } },
  48        {0x0B, {SGMII10, SGMII9, PCIE2, PCIE2, SGMII6, SGMII5, PCIE1, PCIE1 } },
  49        {0x0C, {SGMII10, SGMII9, PCIE2, PCIE2, PCIE1, PCIE1, PCIE1, PCIE1 } },
  50        {0x0D, {_100GE2, _100GE2, _100GE2, _100GE2, _100GE1, _100GE1, _100GE1,
  51                _100GE1 } },
  52        {0x0E, {PCIE2, PCIE2, PCIE2, PCIE2, _100GE1, _100GE1, _100GE1,
  53                _100GE1 } },
  54        {0x0F, {PCIE2, PCIE2, PCIE2, PCIE2, _50GE2, _50GE2, _50GE1, _50GE1 } },
  55        {0x10, {PCIE2, PCIE2, PCIE2, PCIE2, _25GE6, _25GE5, _50GE1, _50GE1 } },
  56        {0x11, {PCIE2, PCIE2, PCIE2, PCIE2, _25GE6, _25GE5, _25GE4, _25GE3 } },
  57        {0x12, {XFI10, XFI9, XFI8, XFI7, _25GE6, _25GE5, XFI4,
  58                XFI3 } },
  59        {0x13, {_40GE2, _40GE2, _40GE2, _40GE2, _25GE6, _25GE5, XFI4, XFI3 } },
  60        {0x14, {_40GE2, _40GE2, _40GE2, _40GE2, _40GE1, _40GE1, _40GE1,
  61                _40GE1 } },
  62        {0x15, {_25GE10, _25GE9, PCIE2, PCIE2, _25GE6, _25GE5, _25GE4,
  63                _25GE3 } },
  64        {0x16, {XFI10, XFI9, PCIE2, PCIE2, XFI6, XFI5, XFI4, XFI3 } },
  65        {}
  66};
  67#endif
  68
  69static struct serdes_config serdes2_cfg_tbl[] = {
  70        /* SerDes 2 */
  71        {0x01, {PCIE3, PCIE3, SATA1, SATA2, PCIE4, PCIE4, PCIE4, PCIE4 } },
  72        {0x02, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3 } },
  73        {0x03, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, PCIE4, PCIE4 } },
  74        {0x04, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, SATA1, SATA2 } },
  75        {0x05, {PCIE3, PCIE3, PCIE3, PCIE3, SATA3, SATA4, SATA1, SATA2 } },
  76        {0x06, {PCIE3, PCIE3, PCIE3, PCIE3, SGMII15, SGMII16, XFI13,
  77                XFI14 } },
  78        {0x07, {PCIE3, SGMII12, SGMII17, SGMII18, PCIE4, SGMII16, XFI13,
  79                XFI14 } },
  80        {0x08, {NONE, NONE, SATA1, SATA2, SATA3, SATA4, XFI13, XFI14 } },
  81        {0x09, {SGMII11, SGMII12, SGMII17, SGMII18, SGMII15, SGMII16, SGMII13,
  82                SGMII14} },
  83        {0x0A, {SGMII11, SGMII12, SGMII17, SGMII18, PCIE4, PCIE4, PCIE4,
  84                PCIE4 } },
  85        {0x0B, {PCIE3, SGMII12, SGMII17, SGMII18, PCIE4, SGMII16, SGMII13,
  86                SGMII14 } },
  87        {0x0C, {SGMII11, SGMII12, SGMII17, SGMII18, PCIE4, PCIE4, SATA1,
  88                SATA2 } },
  89        {0x0D, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, SGMII13, SGMII14 } },
  90        {0x0E, {PCIE3, PCIE3, SGMII17, SGMII18, PCIE4, PCIE4, SGMII13,
  91                SGMII14 } },
  92        {}
  93};
  94
  95static struct serdes_config serdes3_cfg_tbl[] = {
  96        /* SerDes 3 */
  97        {0x02, {PCIE5, PCIE5, PCIE5, PCIE5, PCIE5, PCIE5, PCIE5, PCIE5 } },
  98        {0x03, {PCIE5, PCIE5, PCIE5, PCIE5, PCIE6, PCIE6, PCIE6, PCIE6 } },
  99        {}
 100};
 101
 102static struct serdes_config *serdes_cfg_tbl[] = {
 103        serdes1_cfg_tbl,
 104        serdes2_cfg_tbl,
 105        serdes3_cfg_tbl,
 106};
 107
 108enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane)
 109{
 110        struct serdes_config *ptr;
 111
 112        if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
 113                return 0;
 114
 115        ptr = serdes_cfg_tbl[serdes];
 116        while (ptr->protocol) {
 117                if (ptr->protocol == cfg)
 118                        return ptr->lanes[lane];
 119                ptr++;
 120        }
 121
 122        return 0;
 123}
 124
 125int is_serdes_prtcl_valid(int serdes, u32 prtcl)
 126{
 127        int i;
 128        struct serdes_config *ptr;
 129
 130        if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
 131                return 0;
 132
 133        ptr = serdes_cfg_tbl[serdes];
 134        while (ptr->protocol) {
 135                if (ptr->protocol == prtcl)
 136                        break;
 137                ptr++;
 138        }
 139
 140        if (!ptr->protocol)
 141                return 0;
 142
 143        for (i = 0; i < SRDS_MAX_LANES; i++) {
 144                if (ptr->lanes[i] != NONE)
 145                        return 1;
 146        }
 147
 148        return 0;
 149}
 150