LXR uboot/board/mpc8308_p1m/mpc8308

   1/*
   2 * Copyright (C) 2010 Freescale Semiconductor, Inc.
   3 * Copyright (C) 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com
   4 *
   5 * See file CREDITS for list of people who contributed to this
   6 * project.
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License as
  10 * published by the Free Software Foundation; either version 2 of
  11 * the License, or (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 * MA 02111-1307 USA
  22 */
  23
  24#include <common.h>
  25#include <i2c.h>
  26#include <libfdt.h>
  27#include <fdt_support.h>
  28#include <pci.h>
  29#include <mpc83xx.h>
  30#include <netdev.h>
  31#include <asm/io.h>
  32#include <asm/fsl_serdes.h>
  33#include <asm/fsl_mpc83xx_serdes.h>
  34
  35DECLARE_GLOBAL_DATA_PTR;
  36
  37int checkboard(void)
  38{
  39        printf("Board: MPC8308 P1M\n");
  40
  41        return 0;
  42}
  43
  44static struct pci_region pcie_regions_0[] = {
  45        {
  46                .bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
  47                .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
  48                .size = CONFIG_SYS_PCIE1_MEM_SIZE,
  49                .flags = PCI_REGION_MEM,
  50        },
  51        {
  52                .bus_start = CONFIG_SYS_PCIE1_IO_BASE,
  53                .phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
  54                .size = CONFIG_SYS_PCIE1_IO_SIZE,
  55                .flags = PCI_REGION_IO,
  56        },
  57};
  58
  59void pci_init_board(void)
  60{
  61        immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
  62        sysconf83xx_t *sysconf = &immr->sysconf;
  63        law83xx_t *pcie_law = sysconf->pcielaw;
  64        struct pci_region *pcie_reg[] = { pcie_regions_0 };
  65
  66        fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
  67                                        FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
  68
  69        /* Deassert the resets in the control register */
  70        out_be32(&sysconf->pecr1, 0xE0008000);
  71        udelay(2000);
  72
  73        /* Configure PCI Express Local Access Windows */
  74        out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
  75        out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
  76
  77        mpc83xx_pcie_init(1, pcie_reg);
  78}
  79
  80#if defined(CONFIG_OF_BOARD_SETUP)
  81void ft_board_setup(void *blob, bd_t *bd)
  82{
  83        ft_cpu_setup(blob, bd);
  84        fdt_fixup_dr_usb(blob, bd);
  85}
  86#endif
  87
  88int board_eth_init(bd_t *bis)
  89{
  90        int rv, num_if = 0;
  91
  92        /* Initialize TSECs first */
  93        rv = cpu_eth_init(bis);
  94        if (rv >= 0)
  95                num_if += rv;
  96        else
  97                printf("ERROR: failed to initialize TSECs.\n");
  98
  99        rv = pci_eth_init(bis);
 100        if (rv >= 0)
 101                num_if += rv;
 102        else
 103                printf("ERROR: failed to initialize PCI Ethernet.\n");
 104
 105        return num_if;
 106}
 107