]> git.ipfire.org Git - people/ms/u-boot.git/blame - board/freescale/mpc837xerdb/pci.c
rename CFG_ macros to CONFIG_SYS
[people/ms/u-boot.git] / board / freescale / mpc837xerdb / pci.c
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1/*
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 <common.h>
14#include <mpc83xx.h>
15#include <pci.h>
16
17#if defined(CONFIG_PCI)
18static struct pci_region pci_regions[] = {
19 {
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20 bus_start: CONFIG_SYS_PCI_MEM_BASE,
21 phys_start: CONFIG_SYS_PCI_MEM_PHYS,
22 size: CONFIG_SYS_PCI_MEM_SIZE,
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23 flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
24 },
25 {
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26 bus_start: CONFIG_SYS_PCI_MMIO_BASE,
27 phys_start: CONFIG_SYS_PCI_MMIO_PHYS,
28 size: CONFIG_SYS_PCI_MMIO_SIZE,
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29 flags: PCI_REGION_MEM
30 },
31 {
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32 bus_start: CONFIG_SYS_PCI_IO_BASE,
33 phys_start: CONFIG_SYS_PCI_IO_PHYS,
34 size: CONFIG_SYS_PCI_IO_SIZE,
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35 flags: PCI_REGION_IO
36 }
37};
38
39void pci_init_board(void)
40{
6d0f6bcf 41 volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
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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 };
45
46 /* Enable all 5 PCI_CLK_OUTPUTS */
47 clk->occr |= 0xf8000000;
48 udelay(2000);
49
50 /* Configure PCI Local Access Windows */
6d0f6bcf 51 pci_law[0].bar = CONFIG_SYS_PCI_MEM_PHYS & LAWBAR_BAR;
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52 pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
53
6d0f6bcf 54 pci_law[1].bar = CONFIG_SYS_PCI_IO_PHYS & LAWBAR_BAR;
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55 pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
56
57 mpc83xx_pci_init(1, reg, 0);
58}
59#endif /* CONFIG_PCI */