uboot/board/mpc8308_p1m/mpc8308_p1m.c
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   1/*
   2 * Copyright (C) 2010 Freescale Semiconductor, Inc.
   3 * Copyright (C) 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8#include <common.h>
   9#include <i2c.h>
  10#include <libfdt.h>
  11#include <fdt_support.h>
  12#include <pci.h>
  13#include <mpc83xx.h>
  14#include <netdev.h>
  15#include <asm/io.h>
  16#include <asm/fsl_serdes.h>
  17#include <asm/fsl_mpc83xx_serdes.h>
  18
  19DECLARE_GLOBAL_DATA_PTR;
  20
  21int checkboard(void)
  22{
  23        printf("Board: MPC8308 P1M\n");
  24
  25        return 0;
  26}
  27
  28static struct pci_region pcie_regions_0[] = {
  29        {
  30                .bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
  31                .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
  32                .size = CONFIG_SYS_PCIE1_MEM_SIZE,
  33                .flags = PCI_REGION_MEM,
  34        },
  35        {
  36                .bus_start = CONFIG_SYS_PCIE1_IO_BASE,
  37                .phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
  38                .size = CONFIG_SYS_PCIE1_IO_SIZE,
  39                .flags = PCI_REGION_IO,
  40        },
  41};
  42
  43void pci_init_board(void)
  44{
  45        immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
  46        sysconf83xx_t *sysconf = &immr->sysconf;
  47        law83xx_t *pcie_law = sysconf->pcielaw;
  48        struct pci_region *pcie_reg[] = { pcie_regions_0 };
  49
  50        fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
  51                                        FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
  52
  53        /* Deassert the resets in the control register */
  54        out_be32(&sysconf->pecr1, 0xE0008000);
  55        udelay(2000);
  56
  57        /* Configure PCI Express Local Access Windows */
  58        out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
  59        out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
  60
  61        mpc83xx_pcie_init(1, pcie_reg);
  62}
  63
  64#if defined(CONFIG_OF_BOARD_SETUP)
  65int ft_board_setup(void *blob, bd_t *bd)
  66{
  67        ft_cpu_setup(blob, bd);
  68        fsl_fdt_fixup_dr_usb(blob, bd);
  69
  70        return 0;
  71}
  72#endif
  73
  74int board_eth_init(bd_t *bis)
  75{
  76        int rv, num_if = 0;
  77
  78        /* Initialize TSECs first */
  79        rv = cpu_eth_init(bis);
  80        if (rv >= 0)
  81                num_if += rv;
  82        else
  83                printf("ERROR: failed to initialize TSECs.\n");
  84
  85        rv = pci_eth_init(bis);
  86        if (rv >= 0)
  87                num_if += rv;
  88        else
  89                printf("ERROR: failed to initialize PCI Ethernet.\n");
  90
  91        return num_if;
  92}
  93