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 <linux/delay.h>
  22 #include <net/pfe_eth/pfe_eth.h>
  23 #include <dm/platform_data/pfe_dm_eth.h>
  24
  25 #define DEFAULT_PFE_MDIO_NAME "PFE_MDIO"
  26 #define DEFAULT_PFE_MDIO1_NAME "PFE_MDIO1"
  27
  28 #define MASK_ETH_PHY_RST        0x00000100
  29
  30 static inline void ls1012afrdm_reset_phy(void)
  31 {
  32         unsigned int val;
  33         struct ccsr_gpio *pgpio = (void *)(GPIO1_BASE_ADDR);
  34
  35         setbits_be32(&pgpio->gpdir, MASK_ETH_PHY_RST);
  36
  37         val = in_be32(&pgpio->gpdat);
  38         setbits_be32(&pgpio->gpdat, val & ~MASK_ETH_PHY_RST);
  39         mdelay(10);
  40
  41         val = in_be32(&pgpio->gpdat);
  42         setbits_be32(&pgpio->gpdat, val | MASK_ETH_PHY_RST);
  43         mdelay(50);
  44 }
  45
  46 int pfe_eth_board_init(struct udevice *dev)
  47 {
  48         static int init_done;
  49         struct mii_dev *bus;
  50         struct pfe_mdio_info mac_mdio_info;
  51         struct pfe_eth_dev *priv = dev_get_priv(dev);
  52
  53         if (!init_done) {
  54                 ls1012afrdm_reset_phy();
  55
  56                 mac_mdio_info.reg_base = (void *)EMAC1_BASE_ADDR;
  57                 mac_mdio_info.name = DEFAULT_PFE_MDIO_NAME;
  58
  59                 bus = pfe_mdio_init(&mac_mdio_info);
  60                 if (!bus) {
  61                         printf("Failed to register mdio\n");
  62                         return -1;
  63                 }
  64
  65                 init_done = 1;
  66         }
  67
  68         if (priv->gemac_port) {
  69                 mac_mdio_info.reg_base = (void *)EMAC2_BASE_ADDR;
  70                 mac_mdio_info.name = DEFAULT_PFE_MDIO1_NAME;
  71                 bus = pfe_mdio_init(&mac_mdio_info);
  72                 if (!bus) {
  73                         printf("Failed to register mdio\n");
  74                         return -1;
  75                 }
  76         }
  77
  78         pfe_set_mdio(priv->gemac_port,
  79                      miiphy_get_dev_by_name(DEFAULT_PFE_MDIO_NAME));
  80         if (!priv->gemac_port)
  81                 /* MAC1 */
  82                 pfe_set_phy_address_mode(priv->gemac_port,
  83                                          CONFIG_PFE_EMAC1_PHY_ADDR,
  84                                          PHY_INTERFACE_MODE_SGMII);
  85         else
  86                 /* MAC2 */
  87                 pfe_set_phy_address_mode(priv->gemac_port,
  88                                          CONFIG_PFE_EMAC2_PHY_ADDR,
  89                                          PHY_INTERFACE_MODE_SGMII);
  90         return 0;
  91 }
  92
  93 static struct pfe_eth_pdata pfe_pdata0 = {
  94         .pfe_eth_pdata_mac = {
  95                 .iobase = (phys_addr_t)EMAC1_BASE_ADDR,
  96                 .phy_interface = 0,
  97         },
  98
  99         .pfe_ddr_addr = {
 100                 .ddr_pfe_baseaddr = (void *)CONFIG_DDR_PFE_BASEADDR,
 101                 .ddr_pfe_phys_baseaddr = CONFIG_DDR_PFE_PHYS_BASEADDR,
 102         },
 103 };
 104
 105 static struct pfe_eth_pdata pfe_pdata1 = {
 106         .pfe_eth_pdata_mac = {
 107                 .iobase = (phys_addr_t)EMAC2_BASE_ADDR,
 108                 .phy_interface = 1,
 109         },
 110
 111         .pfe_ddr_addr = {
 112                 .ddr_pfe_baseaddr = (void *)CONFIG_DDR_PFE_BASEADDR,
 113                 .ddr_pfe_phys_baseaddr = CONFIG_DDR_PFE_PHYS_BASEADDR,
 114         },
 115 };
 116
 117 U_BOOT_DEVICE(ls1012a_pfe0) = {
 118         .name = "pfe_eth",
 119         .platdata = &pfe_pdata0,
 120 };
 121
 122 U_BOOT_DEVICE(ls1012a_pfe1) = {
 123         .name = "pfe_eth",
 124         .platdata = &pfe_pdata1,
 125 };