board/freescale/ls1046ardb/eth.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright 2016 Freescale Semiconductor, Inc.
   4  */
   5 #include <common.h>
   6 #include <asm/io.h>
   7 #include <netdev.h>
   8 #include <fm_eth.h>
   9 #include <fsl_dtsec.h>
  10 #include <fsl_mdio.h>
  11 #include <malloc.h>
  12
  13 #include "../common/fman.h"
  14
  15 int board_eth_init(bd_t *bis)
  16 {
  17 #ifdef CONFIG_FMAN_ENET
  18         int i;
  19         struct memac_mdio_info dtsec_mdio_info;
  20         struct memac_mdio_info tgec_mdio_info;
  21         struct mii_dev *dev;
  22         u32 srds_s1;
  23         struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
  24
  25         srds_s1 = in_be32(&gur->rcwsr[4]) &
  26                         FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
  27         srds_s1 >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;
  28
  29         dtsec_mdio_info.regs =
  30                 (struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR;
  31
  32         dtsec_mdio_info.name = DEFAULT_FM_MDIO_NAME;
  33
  34         /* Register the 1G MDIO bus */
  35         fm_memac_mdio_init(bis, &dtsec_mdio_info);
  36
  37         tgec_mdio_info.regs =
  38                 (struct memac_mdio_controller *)CONFIG_SYS_FM1_TGEC_MDIO_ADDR;
  39         tgec_mdio_info.name = DEFAULT_FM_TGEC_MDIO_NAME;
  40
  41         /* Register the 10G MDIO bus */
  42         fm_memac_mdio_init(bis, &tgec_mdio_info);
  43
  44         /* Set the two on-board RGMII PHY address */
  45         fm_info_set_phy_address(FM1_DTSEC3, RGMII_PHY1_ADDR);
  46         fm_info_set_phy_address(FM1_DTSEC4, RGMII_PHY2_ADDR);
  47
  48         /* Set the two on-board SGMII PHY address */
  49         fm_info_set_phy_address(FM1_DTSEC5, SGMII_PHY1_ADDR);
  50         fm_info_set_phy_address(FM1_DTSEC6, SGMII_PHY2_ADDR);
  51
  52         /* Set the on-board AQ PHY address */
  53         fm_info_set_phy_address(FM1_10GEC1, FM1_10GEC1_PHY_ADDR);
  54
  55         switch (srds_s1) {
  56         case 0x1133:
  57                 break;
  58         default:
  59                 printf("Invalid SerDes protocol 0x%x for LS1046ARDB\n",
  60                        srds_s1);
  61                 break;
  62         }
  63
  64         dev = miiphy_get_dev_by_name(DEFAULT_FM_MDIO_NAME);
  65         for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++)
  66                 fm_info_set_mdio(i, dev);
  67
  68         /* XFI on lane A, MAC 9 */
  69         dev = miiphy_get_dev_by_name(DEFAULT_FM_TGEC_MDIO_NAME);
  70         fm_info_set_mdio(FM1_10GEC1, dev);
  71
  72         cpu_eth_init(bis);
  73 #endif
  74
  75         return pci_eth_init(bis);
  76 }
  77
  78 #ifdef CONFIG_FMAN_ENET
  79 int fdt_update_ethernet_dt(void *blob)
  80 {
  81         u32 srds_s1;
  82         int i, prop;
  83         int offset, nodeoff;
  84         const char *path;
  85         struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
  86
  87         srds_s1 = in_be32(&gur->rcwsr[4]) &
  88                         FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
  89         srds_s1 >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;
  90
  91         /* Cycle through all aliases */
  92         for (prop = 0; ; prop++) {
  93                 const char *name;
  94
  95                 /* FDT might have been edited, recompute the offset */
  96                 offset = fdt_first_property_offset(blob,
  97                                                    fdt_path_offset(blob,
  98                                                                    "/aliases")
  99                                                    );
 100                 /* Select property number 'prop' */
 101                 for (i = 0; i < prop; i++)
 102                         offset = fdt_next_property_offset(blob, offset);
 103
 104                 if (offset < 0)
 105                         break;
 106
 107                 path = fdt_getprop_by_offset(blob, offset, &name, NULL);
 108                 nodeoff = fdt_path_offset(blob, path);
 109
 110                 switch (srds_s1) {
 111                 case 0x1133:
 112                         if (!strcmp(name, "ethernet0"))
 113                                 fdt_status_disabled(blob, nodeoff);
 114
 115                         if (!strcmp(name, "ethernet1"))
 116                                 fdt_status_disabled(blob, nodeoff);
 117                 break;
 118                 default:
 119                         printf("%s: Invalid SerDes prtcl 0x%x for LS1046ARDB\n",
 120                                __func__, srds_s1);
 121                 break;
 122                 }
 123         }
 124
 125         return 0;
 126 }
 127 #endif