2 * Copyright (C) 2007 Freescale Semiconductor, Inc.
4 * See file CREDITS for list of people who contributed to this
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.
17 #if defined(CONFIG_PCI)
18 static struct pci_region pci_regions[] = {
20 bus_start: CONFIG_SYS_PCI_MEM_BASE,
21 phys_start: CONFIG_SYS_PCI_MEM_PHYS,
22 size: CONFIG_SYS_PCI_MEM_SIZE,
23 flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
26 bus_start: CONFIG_SYS_PCI_MMIO_BASE,
27 phys_start: CONFIG_SYS_PCI_MMIO_PHYS,
28 size: CONFIG_SYS_PCI_MMIO_SIZE,
32 bus_start: CONFIG_SYS_PCI_IO_BASE,
33 phys_start: CONFIG_SYS_PCI_IO_PHYS,
34 size: CONFIG_SYS_PCI_IO_SIZE,
39 void pci_init_board(void)
41 volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
42 volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
43 volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
44 struct pci_region *reg[] = { pci_regions };
46 /* Enable all 5 PCI_CLK_OUTPUTS */
47 clk->occr |= 0xf8000000;
50 /* Configure PCI Local Access Windows */
51 pci_law[0].bar = CONFIG_SYS_PCI_MEM_PHYS & LAWBAR_BAR;
52 pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
54 pci_law[1].bar = CONFIG_SYS_PCI_IO_PHYS & LAWBAR_BAR;
55 pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
57 mpc83xx_pci_init(1, reg, 0);
59 #endif /* CONFIG_PCI */