blob: ab909790e5d48daab6863f8df0961918ed2d3825 [file] [log] [blame]
Dave Liu19580e62007-09-18 12:37:57 +08001/*
2 * Copyright (C) 2007 Freescale Semiconductor, Inc.
3 *
4 * See file CREDITS for list of people who contributed to this
5 * project.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 */
12
13#include <asm/mmu.h>
14#include <asm/io.h>
15#include <common.h>
16#include <mpc83xx.h>
17#include <pci.h>
18#include <i2c.h>
19#include <asm/fsl_i2c.h>
20
21#if defined(CONFIG_PCI)
22static struct pci_region pci_regions[] = {
23 {
24 bus_start: CFG_PCI_MEM_BASE,
25 phys_start: CFG_PCI_MEM_PHYS,
26 size: CFG_PCI_MEM_SIZE,
27 flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
28 },
29 {
30 bus_start: CFG_PCI_MMIO_BASE,
31 phys_start: CFG_PCI_MMIO_PHYS,
32 size: CFG_PCI_MMIO_SIZE,
33 flags: PCI_REGION_MEM
34 },
35 {
36 bus_start: CFG_PCI_IO_BASE,
37 phys_start: CFG_PCI_IO_PHYS,
38 size: CFG_PCI_IO_SIZE,
39 flags: PCI_REGION_IO
40 }
41};
42
43void pci_init_board(void)
44{
45 volatile immap_t *immr = (volatile immap_t *)CFG_IMMR;
46 volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
47 volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
48 struct pci_region *reg[] = { pci_regions };
49
50 /* Enable all 5 PCI_CLK_OUTPUTS */
51 clk->occr |= 0xf8000000;
52 udelay(2000);
53
54 /* Configure PCI Local Access Windows */
55 pci_law[0].bar = CFG_PCI_MEM_PHYS & LAWBAR_BAR;
56 pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
57
58 pci_law[1].bar = CFG_PCI_IO_PHYS & LAWBAR_BAR;
59 pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
60
61 udelay(2000);
62
63 mpc83xx_pci_init(1, reg, 0);
64}
65#endif /* CONFIG_PCI */