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 <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) 22 static struct pci_region pci_regions[] = { 23 { 24 bus_start: CONFIG_SYS_PCI_MEM_BASE, 25 phys_start: CONFIG_SYS_PCI_MEM_PHYS, 26 size: CONFIG_SYS_PCI_MEM_SIZE, 27 flags: PCI_REGION_MEM | PCI_REGION_PREFETCH 28 }, 29 { 30 bus_start: CONFIG_SYS_PCI_MMIO_BASE, 31 phys_start: CONFIG_SYS_PCI_MMIO_PHYS, 32 size: CONFIG_SYS_PCI_MMIO_SIZE, 33 flags: PCI_REGION_MEM 34 }, 35 { 36 bus_start: CONFIG_SYS_PCI_IO_BASE, 37 phys_start: CONFIG_SYS_PCI_IO_PHYS, 38 size: CONFIG_SYS_PCI_IO_SIZE, 39 flags: PCI_REGION_IO 40 } 41 }; 42 43 void pci_init_board(void) 44 { 45 volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_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 = CONFIG_SYS_PCI_MEM_PHYS & LAWBAR_BAR; 56 pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB; 57 58 pci_law[1].bar = CONFIG_SYS_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 */ 66