board/freescale/t208xrdb/eth_t208xrdb.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright 2014 Freescale Semiconductor, Inc.
   4  * Copyright 2021 NXP
   5  *
   6  * Shengzhou Liu <Shengzhou.Liu@freescale.com>
   7  */
   8
   9 #include <common.h>
  10 #include <command.h>
  11 #include <fdt_support.h>
  12 #include <net.h>
  13 #include <netdev.h>
  14 #include <asm/mmu.h>
  15 #include <asm/processor.h>
  16 #include <asm/immap_85xx.h>
  17 #include <asm/fsl_law.h>
  18 #include <asm/fsl_serdes.h>
  19 #include <asm/fsl_portals.h>
  20 #include <asm/fsl_liodn.h>
  21 #include <malloc.h>
  22 #include <fm_eth.h>
  23 #include <fsl_mdio.h>
  24 #include <miiphy.h>
  25 #include <phy.h>
  26 #include <fsl_dtsec.h>
  27 #include <asm/fsl_serdes.h>
  28
  29 extern u8 get_hw_revision(void);
  30
  31 /* Disable the MAC5 and MAC6 "fsl,fman-memac" nodes and the two
  32  * "fsl,dpa-ethernet" nodes that reference them.
  33  */
  34 void fdt_fixup_board_fman_ethernet(void *fdt)
  35 {
  36         int mac_off, eth_off, i;
  37         char mac_path[2][42] = {
  38                 "/soc@ffe000000/fman@400000/ethernet@e8000",
  39                 "/soc@ffe000000/fman@400000/ethernet@ea000",
  40         };
  41         u32 eth_ph;
  42
  43         for (i = 0; i < 2; i++) {
  44                 /* Disable the MAC node */
  45                 mac_off = fdt_path_offset(fdt, mac_path[i]);
  46                 if (mac_off < 0)
  47                         continue;
  48                 fdt_status_disabled(fdt, mac_off);
  49
  50                 /* Disable the fsl,dpa-ethernet node that points to the MAC.
  51                  * The fsl,fman-mac property refers to the MAC's phandle.
  52                  */
  53                 eth_ph = fdt_get_phandle(fdt, mac_off);
  54                 if (eth_ph <= 0)
  55                         continue;
  56
  57                 eth_off = fdt_node_offset_by_prop_value(fdt, -1, "fsl,fman-mac",
  58                                                         &eth_ph,
  59                                                         sizeof(eth_ph));
  60                 if (eth_off >= 0)
  61                         fdt_status_disabled(fdt, eth_off);
  62         }
  63 }
  64
  65 /* Update the address of the second Aquantia PHY on boards revision D and up.
  66  * Also rename the PHY node to align with the address change.
  67  */
  68 void fdt_fixup_board_phy(void *fdt)
  69 {
  70         const char phy_path[] =
  71                 "/soc@ffe000000/fman@400000/mdio@fd000/ethernet-phy@1";
  72         int ret, offset, new_addr = AQR113C_PHY_ADDR2;
  73         char new_name[] = "ethernet-phy@00";
  74
  75         if (get_hw_revision() == 'C')
  76                 return;
  77
  78         offset = fdt_path_offset(fdt, phy_path);
  79         if (offset < 0) {
  80                 printf("ethernet-phy@1 node not found in the dts\n");
  81                 return;
  82         }
  83
  84         ret = fdt_setprop(fdt, offset, "reg", &new_addr, sizeof(new_addr));
  85         if (ret < 0) {
  86                 printf("Unable to set 'reg' for node ethernet-phy@1: %s\n",
  87                        fdt_strerror(ret));
  88                 return;
  89         }
  90
  91         sprintf(new_name, "ethernet-phy@%x", new_addr);
  92         ret = fdt_set_name(fdt, offset, new_name);
  93         if (ret < 0)
  94                 printf("Unable to rename node ethernet-phy@1: %s\n",
  95                        fdt_strerror(ret));
  96 }
  97
  98 void fdt_fixup_board_enet(void *fdt)
  99 {
 100         return;
 101 }