board/freescale/ls1012afrdm/eth.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright 2015-2016 Freescale Semiconductor, Inc.
   4  * Copyright 2017 NXP
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <net.h>
  10 #include <asm/io.h>
  11 #include <netdev.h>
  12 #include <fm_eth.h>
  13 #include <fsl_mdio.h>
  14 #include <malloc.h>
  15 #include <asm/types.h>
  16 #include <fsl_dtsec.h>
  17 #include <asm/arch/soc.h>
  18 #include <asm/arch-fsl-layerscape/config.h>
  19 #include <asm/arch-fsl-layerscape/immap_lsch2.h>
  20 #include <asm/arch/fsl_serdes.h>
  21 #include <net/pfe_eth/pfe_eth.h>
  22 #include <dm/platform_data/pfe_dm_eth.h>
  23
  24 #define DEFAULT_PFE_MDIO_NAME "PFE_MDIO"
  25 #define DEFAULT_PFE_MDIO1_NAME "PFE_MDIO1"
  26
  27 #define MASK_ETH_PHY_RST        0x00000100
  28
  29 static inline void ls1012afrdm_reset_phy(void)
  30 {
  31         unsigned int val;
  32         struct ccsr_gpio *pgpio = (void *)(GPIO1_BASE_ADDR);
  33
  34         setbits_be32(&pgpio->gpdir, MASK_ETH_PHY_RST);
  35
  36         val = in_be32(&pgpio->gpdat);
  37         setbits_be32(&pgpio->gpdat, val & ~MASK_ETH_PHY_RST);
  38         mdelay(10);
  39
  40         val = in_be32(&pgpio->gpdat);
  41         setbits_be32(&pgpio->gpdat, val | MASK_ETH_PHY_RST);
  42         mdelay(50);
  43 }
  44
  45 int pfe_eth_board_init(struct udevice *dev)
  46 {
  47         static int init_done;
  48         struct mii_dev *bus;
  49         struct pfe_mdio_info mac_mdio_info;
  50         struct pfe_eth_dev *priv = dev_get_priv(dev);
  51
  52         if (!init_done) {
  53                 ls1012afrdm_reset_phy();
  54
  55                 mac_mdio_info.reg_base = (void *)EMAC1_BASE_ADDR;
  56                 mac_mdio_info.name = DEFAULT_PFE_MDIO_NAME;
  57
  58                 bus = pfe_mdio_init(&mac_mdio_info);
  59                 if (!bus) {
  60                         printf("Failed to register mdio\n");
  61                         return -1;
  62                 }
  63
  64                 init_done = 1;
  65         }
  66
  67         if (priv->gemac_port) {
  68                 mac_mdio_info.reg_base = (void *)EMAC2_BASE_ADDR;
  69                 mac_mdio_info.name = DEFAULT_PFE_MDIO1_NAME;
  70                 bus = pfe_mdio_init(&mac_mdio_info);
  71                 if (!bus) {
  72                         printf("Failed to register mdio\n");
  73                         return -1;
  74                 }
  75         }
  76
  77         pfe_set_mdio(priv->gemac_port,
  78                      miiphy_get_dev_by_name(DEFAULT_PFE_MDIO_NAME));
  79         if (!priv->gemac_port)
  80                 /* MAC1 */
  81                 pfe_set_phy_address_mode(priv->gemac_port,
  82                                          CONFIG_PFE_EMAC1_PHY_ADDR,
  83                                          PHY_INTERFACE_MODE_SGMII);
  84         else
  85                 /* MAC2 */
  86                 pfe_set_phy_address_mode(priv->gemac_port,
  87                                          CONFIG_PFE_EMAC2_PHY_ADDR,
  88                                          PHY_INTERFACE_MODE_SGMII);
  89         return 0;
  90 }
  91
  92 static struct pfe_eth_pdata pfe_pdata0 = {
  93         .pfe_eth_pdata_mac = {
  94                 .iobase = (phys_addr_t)EMAC1_BASE_ADDR,
  95                 .phy_interface = 0,
  96         },
  97
  98         .pfe_ddr_addr = {
  99                 .ddr_pfe_baseaddr = (void *)CONFIG_DDR_PFE_BASEADDR,
 100                 .ddr_pfe_phys_baseaddr = CONFIG_DDR_PFE_PHYS_BASEADDR,
 101         },
 102 };
 103
 104 static struct pfe_eth_pdata pfe_pdata1 = {
 105         .pfe_eth_pdata_mac = {
 106                 .iobase = (phys_addr_t)EMAC2_BASE_ADDR,
 107                 .phy_interface = 1,
 108         },
 109
 110         .pfe_ddr_addr = {
 111                 .ddr_pfe_baseaddr = (void *)CONFIG_DDR_PFE_BASEADDR,
 112                 .ddr_pfe_phys_baseaddr = CONFIG_DDR_PFE_PHYS_BASEADDR,
 113         },
 114 };
 115
 116 U_BOOT_DEVICE(ls1012a_pfe0) = {
 117         .name = "pfe_eth",
 118         .platdata = &pfe_pdata0,
 119 };
 120
 121 U_BOOT_DEVICE(ls1012a_pfe1) = {
 122         .name = "pfe_eth",
 123         .platdata = &pfe_pdata1,
 124 };