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5e918a98 KP |
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) | |
18 | static struct pci_region pci_regions[] = { | |
19 | { | |
6d0f6bcf JCPV |
20 | bus_start: CONFIG_SYS_PCI_MEM_BASE, |
21 | phys_start: CONFIG_SYS_PCI_MEM_PHYS, | |
22 | size: CONFIG_SYS_PCI_MEM_SIZE, | |
5e918a98 KP |
23 | flags: PCI_REGION_MEM | PCI_REGION_PREFETCH |
24 | }, | |
25 | { | |
6d0f6bcf JCPV |
26 | bus_start: CONFIG_SYS_PCI_MMIO_BASE, |
27 | phys_start: CONFIG_SYS_PCI_MMIO_PHYS, | |
28 | size: CONFIG_SYS_PCI_MMIO_SIZE, | |
5e918a98 KP |
29 | flags: PCI_REGION_MEM |
30 | }, | |
31 | { | |
6d0f6bcf JCPV |
32 | bus_start: CONFIG_SYS_PCI_IO_BASE, |
33 | phys_start: CONFIG_SYS_PCI_IO_PHYS, | |
34 | size: CONFIG_SYS_PCI_IO_SIZE, | |
5e918a98 KP |
35 | flags: PCI_REGION_IO |
36 | } | |
37 | }; | |
38 | ||
39 | void pci_init_board(void) | |
40 | { | |
6d0f6bcf | 41 | volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR; |
5e918a98 KP |
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; |
5e918a98 KP |
52 | pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB; |
53 | ||
6d0f6bcf | 54 | pci_law[1].bar = CONFIG_SYS_PCI_IO_PHYS & LAWBAR_BAR; |
5e918a98 KP |
55 | pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB; |
56 | ||
57 | mpc83xx_pci_init(1, reg, 0); | |
58 | } | |
59 | #endif /* CONFIG_PCI */ |