1 /* 2 * Copyright (C) Freescale Semiconductor, Inc. 2006-2007 3 * 4 * Author: Scott Wood <scottwood@freescale.com> 5 * 6 * See file CREDITS for list of people who contributed to this 7 * project. 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License as 11 * published by the Free Software Foundation; either version 2 of 12 * the License, or (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 22 * MA 02111-1307 USA 23 */ 24 25 #include <common.h> 26 #if defined(CONFIG_OF_FLAT_TREE) 27 #include <ft_build.h> 28 #elif defined(CONFIG_OF_LIBFDT) 29 #include <libfdt.h> 30 #endif 31 #include <pci.h> 32 #include <mpc83xx.h> 33 34 DECLARE_GLOBAL_DATA_PTR; 35 36 int board_early_init_f(void) 37 { 38 #ifndef CFG_8313ERDB_BROKEN_PMC 39 volatile immap_t *im = (immap_t *)CFG_IMMR; 40 41 if (im->pmc.pmccr1 & PMCCR1_POWER_OFF) 42 gd->flags |= GD_FLG_SILENT; 43 #endif 44 45 return 0; 46 } 47 48 int checkboard(void) 49 { 50 puts("Board: Freescale MPC8313ERDB\n"); 51 return 0; 52 } 53 54 static struct pci_region pci_regions[] = { 55 { 56 bus_start: CFG_PCI1_MEM_BASE, 57 phys_start: CFG_PCI1_MEM_PHYS, 58 size: CFG_PCI1_MEM_SIZE, 59 flags: PCI_REGION_MEM | PCI_REGION_PREFETCH 60 }, 61 { 62 bus_start: CFG_PCI1_MMIO_BASE, 63 phys_start: CFG_PCI1_MMIO_PHYS, 64 size: CFG_PCI1_MMIO_SIZE, 65 flags: PCI_REGION_MEM 66 }, 67 { 68 bus_start: CFG_PCI1_IO_BASE, 69 phys_start: CFG_PCI1_IO_PHYS, 70 size: CFG_PCI1_IO_SIZE, 71 flags: PCI_REGION_IO 72 } 73 }; 74 75 void pci_init_board(void) 76 { 77 volatile immap_t *immr = (volatile immap_t *)CFG_IMMR; 78 volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk; 79 volatile law83xx_t *pci_law = immr->sysconf.pcilaw; 80 struct pci_region *reg[] = { pci_regions }; 81 int warmboot; 82 83 /* Enable all 3 PCI_CLK_OUTPUTs. */ 84 clk->occr |= 0xe0000000; 85 86 /* 87 * Configure PCI Local Access Windows 88 */ 89 pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR; 90 pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB; 91 92 pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR; 93 pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB; 94 95 warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM; 96 #ifndef CFG_8313ERDB_BROKEN_PMC 97 warmboot |= immr->pmc.pmccr1 & PMCCR1_POWER_OFF; 98 #endif 99 100 mpc83xx_pci_init(1, reg, warmboot); 101 } 102 103 #if defined(CONFIG_OF_BOARD_SETUP) 104 void ft_board_setup(void *blob, bd_t *bd) 105 { 106 #if defined(CONFIG_OF_FLAT_TREE) 107 u32 *p; 108 int len; 109 110 p = ft_get_prop(blob, "/memory/reg", &len); 111 if (p != NULL) { 112 *p++ = cpu_to_be32(bd->bi_memstart); 113 *p = cpu_to_be32(bd->bi_memsize); 114 } 115 #endif 116 ft_cpu_setup(blob, bd); 117 #ifdef CONFIG_PCI 118 ft_pci_setup(blob, bd); 119 #endif 120 } 121 #endif 122