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 <fdt_support.h>
   7 #include <net.h>
   8 #include <asm/io.h>
   9 #include <netdev.h>
  10 #include <fm_eth.h>
  11 #include <fsl_dtsec.h>
  12 #include <fsl_mdio.h>
  13 #include <malloc.h>
  14
  15 #include "../common/fman.h"
  16
  17 int board_eth_init(bd_t *bis)
  18 {
  19 #ifdef CONFIG_FMAN_ENET
  20         int i;
  21         struct memac_mdio_info dtsec_mdio_info;
  22         struct memac_mdio_info tgec_mdio_info;
  23         struct mii_dev *dev;
  24         u32 srds_s1;
  25         struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
  26
  27         srds_s1 = in_be32(&gur->rcwsr[4]) &
  28                         FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
  29         srds_s1 >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;
  30
  31         dtsec_mdio_info.regs =
  32                 (struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR;
  33
  34         dtsec_mdio_info.name = DEFAULT_FM_MDIO_NAME;
  35
  36         /* Register the 1G MDIO bus */
  37         fm_memac_mdio_init(bis, &dtsec_mdio_info);
  38
  39         tgec_mdio_info.regs =
  40                 (struct memac_mdio_controller *)CONFIG_SYS_FM1_TGEC_MDIO_ADDR;
  41         tgec_mdio_info.name = DEFAULT_FM_TGEC_MDIO_NAME;
  42
  43         /* Register the 10G MDIO bus */
  44         fm_memac_mdio_init(bis, &tgec_mdio_info);
  45
  46         /* Set the two on-board RGMII PHY address */
  47         fm_info_set_phy_address(FM1_DTSEC3, RGMII_PHY1_ADDR);
  48         fm_info_set_phy_address(FM1_DTSEC4, RGMII_PHY2_ADDR);
  49
  50         /* Set the two on-board SGMII PHY address */
  51         fm_info_set_phy_address(FM1_DTSEC5, SGMII_PHY1_ADDR);
  52         fm_info_set_phy_address(FM1_DTSEC6, SGMII_PHY2_ADDR);
  53
  54         /* Set the on-board AQ PHY address */
  55         fm_info_set_phy_address(FM1_10GEC1, FM1_10GEC1_PHY_ADDR);
  56
  57         switch (srds_s1) {
  58         case 0x1133:
  59                 break;
  60         default:
  61                 printf("Invalid SerDes protocol 0x%x for LS1046ARDB\n",
  62                        srds_s1);
  63                 break;
  64         }
  65
  66         dev = miiphy_get_dev_by_name(DEFAULT_FM_MDIO_NAME);
  67         for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++)
  68                 fm_info_set_mdio(i, dev);
  69
  70         /* XFI on lane A, MAC 9 */
  71         dev = miiphy_get_dev_by_name(DEFAULT_FM_TGEC_MDIO_NAME);
  72         fm_info_set_mdio(FM1_10GEC1, dev);
  73
  74         cpu_eth_init(bis);
  75 #endif
  76
  77         return pci_eth_init(bis);
  78 }
  79
  80 #ifdef CONFIG_FMAN_ENET
  81 int fdt_update_ethernet_dt(void *blob)
  82 {
  83         u32 srds_s1;
  84         int i, prop;
  85         int offset, nodeoff;
  86         const char *path;
  87         struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
  88
  89         srds_s1 = in_be32(&gur->rcwsr[4]) &
  90                         FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
  91         srds_s1 >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;
  92
  93         /* Cycle through all aliases */
  94         for (prop = 0; ; prop++) {
  95                 const char *name;
  96
  97                 /* FDT might have been edited, recompute the offset */
  98                 offset = fdt_first_property_offset(blob,
  99                                                    fdt_path_offset(blob,
 100                                                                    "/aliases")
 101                                                    );
 102                 /* Select property number 'prop' */
 103                 for (i = 0; i < prop; i++)
 104                         offset = fdt_next_property_offset(blob, offset);
 105
 106                 if (offset < 0)
 107                         break;
 108
 109                 path = fdt_getprop_by_offset(blob, offset, &name, NULL);
 110                 nodeoff = fdt_path_offset(blob, path);
 111
 112                 switch (srds_s1) {
 113                 case 0x1133:
 114                         if (!strcmp(name, "ethernet0"))
 115                                 fdt_status_disabled(blob, nodeoff);
 116
 117                         if (!strcmp(name, "ethernet1"))
 118                                 fdt_status_disabled(blob, nodeoff);
 119                 break;
 120                 default:
 121                         printf("%s: Invalid SerDes prtcl 0x%x for LS1046ARDB\n",
 122                                __func__, srds_s1);
 123                 break;
 124                 }
 125         }
 126
 127         return 0;
 128 }
 129 #endif