board/mpc8308_p1m/mpc8308_p1m.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2010 Freescale Semiconductor, Inc.
   4  * Copyright (C) 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com
   5  */
   6
   7 #include <common.h>
   8 #include <i2c.h>
   9 #include <init.h>
  10 #include <net.h>
  11 #include <linux/libfdt.h>
  12 #include <fdt_support.h>
  13 #include <pci.h>
  14 #include <mpc83xx.h>
  15 #include <netdev.h>
  16 #include <asm/io.h>
  17 #include <asm/fsl_serdes.h>
  18 #include <asm/fsl_mpc83xx_serdes.h>
  19
  20 int checkboard(void)
  21 {
  22         printf("Board: MPC8308 P1M\n");
  23
  24         return 0;
  25 }
  26
  27 static struct pci_region pcie_regions_0[] = {
  28         {
  29                 .bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
  30                 .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
  31                 .size = CONFIG_SYS_PCIE1_MEM_SIZE,
  32                 .flags = PCI_REGION_MEM,
  33         },
  34         {
  35                 .bus_start = CONFIG_SYS_PCIE1_IO_BASE,
  36                 .phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
  37                 .size = CONFIG_SYS_PCIE1_IO_SIZE,
  38                 .flags = PCI_REGION_IO,
  39         },
  40 };
  41
  42 void pci_init_board(void)
  43 {
  44         immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
  45         sysconf83xx_t *sysconf = &immr->sysconf;
  46         law83xx_t *pcie_law = sysconf->pcielaw;
  47         struct pci_region *pcie_reg[] = { pcie_regions_0 };
  48
  49         fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
  50                                         FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
  51
  52         /* Deassert the resets in the control register */
  53         out_be32(&sysconf->pecr1, 0xE0008000);
  54         udelay(2000);
  55
  56         /* Configure PCI Express Local Access Windows */
  57         out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
  58         out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
  59
  60         mpc83xx_pcie_init(1, pcie_reg);
  61 }
  62
  63 #if defined(CONFIG_OF_BOARD_SETUP)
  64 int ft_board_setup(void *blob, bd_t *bd)
  65 {
  66         ft_cpu_setup(blob, bd);
  67         fsl_fdt_fixup_dr_usb(blob, bd);
  68
  69         return 0;
  70 }
  71 #endif
  72
  73 int board_eth_init(bd_t *bis)
  74 {
  75         int rv, num_if = 0;
  76
  77         /* Initialize TSECs first */
  78         rv = cpu_eth_init(bis);
  79         if (rv >= 0)
  80                 num_if += rv;
  81         else
  82                 printf("ERROR: failed to initialize TSECs.\n");
  83
  84         rv = pci_eth_init(bis);
  85         if (rv >= 0)
  86                 num_if += rv;
  87         else
  88                 printf("ERROR: failed to initialize PCI Ethernet.\n");
  89
  90         return num_if;
  91 }