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_FLAT_TREE)
  27 #include <ft_build.h>
  28 #elif defined(CONFIG_OF_LIBFDT)
  29 #include <libfdt.h>
  30 #endif
  31 #include <pci.h>
  32 #include <mpc83xx.h>
  33
  34 DECLARE_GLOBAL_DATA_PTR;
  35
  36 int board_early_init_f(void)
  37 {
  38 #ifndef CFG_8313ERDB_BROKEN_PMC
  39         volatile immap_t *im = (immap_t *)CFG_IMMR;
  40
  41         if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
  42                 gd->flags |= GD_FLG_SILENT;
  43 #endif
  44
  45         return 0;
  46 }
  47
  48 int checkboard(void)
  49 {
  50         puts("Board: Freescale MPC8313ERDB\n");
  51         return 0;
  52 }
  53
  54 static struct pci_region pci_regions[] = {
  55         {
  56                 bus_start: CFG_PCI1_MEM_BASE,
  57                 phys_start: CFG_PCI1_MEM_PHYS,
  58                 size: CFG_PCI1_MEM_SIZE,
  59                 flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
  60         },
  61         {
  62                 bus_start: CFG_PCI1_MMIO_BASE,
  63                 phys_start: CFG_PCI1_MMIO_PHYS,
  64                 size: CFG_PCI1_MMIO_SIZE,
  65                 flags: PCI_REGION_MEM
  66         },
  67         {
  68                 bus_start: CFG_PCI1_IO_BASE,
  69                 phys_start: CFG_PCI1_IO_PHYS,
  70                 size: CFG_PCI1_IO_SIZE,
  71                 flags: PCI_REGION_IO
  72         }
  73 };
  74
  75 void pci_init_board(void)
  76 {
  77         volatile immap_t *immr = (volatile immap_t *)CFG_IMMR;
  78         volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
  79         volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
  80         struct pci_region *reg[] = { pci_regions };
  81         int warmboot;
  82
  83         /* Enable all 3 PCI_CLK_OUTPUTs. */
  84         clk->occr |= 0xe0000000;
  85
  86         /*
  87          * Configure PCI Local Access Windows
  88          */
  89         pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR;
  90         pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
  91
  92         pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR;
  93         pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
  94
  95         warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM;
  96 #ifndef CFG_8313ERDB_BROKEN_PMC
  97         warmboot |= immr->pmc.pmccr1 & PMCCR1_POWER_OFF;
  98 #endif
  99
 100         mpc83xx_pci_init(1, reg, warmboot);
 101 }
 102
 103 #if defined(CONFIG_OF_BOARD_SETUP)
 104 void ft_board_setup(void *blob, bd_t *bd)
 105 {
 106 #if defined(CONFIG_OF_FLAT_TREE)
 107         u32 *p;
 108         int len;
 109
 110         p = ft_get_prop(blob, "/memory/reg", &len);
 111         if (p != NULL) {
 112                 *p++ = cpu_to_be32(bd->bi_memstart);
 113                 *p = cpu_to_be32(bd->bi_memsize);
 114         }
 115 #endif
 116         ft_cpu_setup(blob, bd);
 117 #ifdef CONFIG_PCI
 118         ft_pci_setup(blob, bd);
 119 #endif
 120 }
 121 #endif