board/mpc8308_p1m/mpc8308_p1m.c

   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
  19 DECLARE_GLOBAL_DATA_PTR;
  20
  21 int checkboard(void)
  22 {
  23         printf("Board: MPC8308 P1M\n");
  24
  25         return 0;
  26 }
  27
  28 static 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
  43 void 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)
  65 void ft_board_setup(void *blob, bd_t *bd)
  66 {
  67         ft_cpu_setup(blob, bd);
  68         fdt_fixup_dr_usb(blob, bd);
  69 }
  70 #endif
  71
  72 int board_eth_init(bd_t *bis)
  73 {
  74         int rv, num_if = 0;
  75
  76         /* Initialize TSECs first */
  77         rv = cpu_eth_init(bis);
  78         if (rv >= 0)
  79                 num_if += rv;
  80         else
  81                 printf("ERROR: failed to initialize TSECs.\n");
  82
  83         rv = pci_eth_init(bis);
  84         if (rv >= 0)
  85                 num_if += rv;
  86         else
  87                 printf("ERROR: failed to initialize PCI Ethernet.\n");
  88
  89         return num_if;
  90 }