2 * pci.c -- WindRiver SBC8349 PCI board support.
3 * Copyright (c) 2006 Wind River Systems, Inc.
4 * Copyright (C) 2006-2009 Freescale Semiconductor, Inc.
6 * Based on MPC8349 PCI support but w/o PIB related code.
8 * SPDX-License-Identifier: GPL-2.0+
17 #include <asm/fsl_i2c.h>
19 DECLARE_GLOBAL_DATA_PTR;
21 static struct pci_region pci1_regions[] = {
23 bus_start: CONFIG_SYS_PCI1_MEM_BASE,
24 phys_start: CONFIG_SYS_PCI1_MEM_PHYS,
25 size: CONFIG_SYS_PCI1_MEM_SIZE,
26 flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
29 bus_start: CONFIG_SYS_PCI1_IO_BASE,
30 phys_start: CONFIG_SYS_PCI1_IO_PHYS,
31 size: CONFIG_SYS_PCI1_IO_SIZE,
35 bus_start: CONFIG_SYS_PCI1_MMIO_BASE,
36 phys_start: CONFIG_SYS_PCI1_MMIO_PHYS,
37 size: CONFIG_SYS_PCI1_MMIO_SIZE,
45 * NOTICE: PCI2 is not supported. There is only one
46 * physical PCI slot on the board.
52 volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
53 volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
54 volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
55 struct pci_region *reg[] = { pci1_regions };
57 /* Enable all 8 PCI_CLK_OUTPUTS */
58 clk->occr = 0xff000000;
61 /* Configure PCI Local Access Windows */
62 pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
63 pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G;
65 pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
66 pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_4M;
70 mpc83xx_pci_init(1, reg);