board/freescale/mpc8313erdb/mpc8313erdb.c

   1 /*
   2  * Copyright (C) Freescale Semiconductor, Inc. 2006-2007
   3  *
   4  * Author: Scott Wood <scottwood@freescale.com>
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  */
  24
  25 #include <common.h>
  26 #if defined(CONFIG_OF_LIBFDT)
  27 #include <libfdt.h>
  28 #endif
  29 #include <pci.h>
  30 #include <mpc83xx.h>
  31 #include <vsc7385.h>
  32
  33 DECLARE_GLOBAL_DATA_PTR;
  34
  35 int board_early_init_f(void)
  36 {
  37 #ifndef CFG_8313ERDB_BROKEN_PMC
  38         volatile immap_t *im = (immap_t *)CFG_IMMR;
  39
  40         if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
  41                 gd->flags |= GD_FLG_SILENT;
  42 #endif
  43
  44         return 0;
  45 }
  46
  47 int checkboard(void)
  48 {
  49         puts("Board: Freescale MPC8313ERDB\n");
  50         return 0;
  51 }
  52
  53 static struct pci_region pci_regions[] = {
  54         {
  55                 bus_start: CFG_PCI1_MEM_BASE,
  56                 phys_start: CFG_PCI1_MEM_PHYS,
  57                 size: CFG_PCI1_MEM_SIZE,
  58                 flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
  59         },
  60         {
  61                 bus_start: CFG_PCI1_MMIO_BASE,
  62                 phys_start: CFG_PCI1_MMIO_PHYS,
  63                 size: CFG_PCI1_MMIO_SIZE,
  64                 flags: PCI_REGION_MEM
  65         },
  66         {
  67                 bus_start: CFG_PCI1_IO_BASE,
  68                 phys_start: CFG_PCI1_IO_PHYS,
  69                 size: CFG_PCI1_IO_SIZE,
  70                 flags: PCI_REGION_IO
  71         }
  72 };
  73
  74 void pci_init_board(void)
  75 {
  76         volatile immap_t *immr = (volatile immap_t *)CFG_IMMR;
  77         volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
  78         volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
  79         struct pci_region *reg[] = { pci_regions };
  80         int warmboot;
  81
  82         /* Enable all 3 PCI_CLK_OUTPUTs. */
  83         clk->occr |= 0xe0000000;
  84
  85         /*
  86          * Configure PCI Local Access Windows
  87          */
  88         pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR;
  89         pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
  90
  91         pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR;
  92         pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
  93
  94         warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM;
  95 #ifndef CFG_8313ERDB_BROKEN_PMC
  96         warmboot |= immr->pmc.pmccr1 & PMCCR1_POWER_OFF;
  97 #endif
  98
  99         mpc83xx_pci_init(1, reg, warmboot);
 100 }
 101
 102 /*
 103  * Miscellaneous late-boot configurations
 104  *
 105  * If a VSC7385 microcode image is present, then upload it.
 106 */
 107 int misc_init_r(void)
 108 {
 109         int rc = 0;
 110
 111 #ifdef CONFIG_VSC7385_IMAGE
 112         if (vsc7385_upload_firmware((void *) CONFIG_VSC7385_IMAGE,
 113                 CONFIG_VSC7385_IMAGE_SIZE)) {
 114                 puts("Failure uploading VSC7385 microcode.\n");
 115                 rc = 1;
 116         }
 117 #endif
 118
 119         return rc;
 120 }
 121
 122 #if defined(CONFIG_OF_BOARD_SETUP)
 123 void ft_board_setup(void *blob, bd_t *bd)
 124 {
 125         ft_cpu_setup(blob, bd);
 126 #ifdef CONFIG_PCI
 127         ft_pci_setup(blob, bd);
 128 #endif
 129 }
 130 #endif