1 /* 2 * Copyright 2004 Freescale Semiconductor. 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 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 20 * MA 02111-1307 USA 21 */ 22 23 #include <common.h> 24 #include <libfdt.h> 25 #include <fdt_support.h> 26 #include "cadmus.h" 27 28 #if defined(CONFIG_OF_BOARD_SETUP) 29 static void cds_pci_fixup(void *blob) 30 { 31 int node; 32 const char *path; 33 int len, slot, i; 34 u32 *map = NULL; 35 36 node = fdt_path_offset(blob, "/aliases"); 37 if (node >= 0) { 38 path = fdt_getprop(blob, node, "pci0", NULL); 39 if (path) { 40 node = fdt_path_offset(blob, path); 41 if (node >= 0) { 42 map = fdt_getprop_w(blob, node, "interrupt-map", &len); 43 } 44 } 45 } 46 47 if (map) { 48 len /= sizeof(u32); 49 50 slot = get_pci_slot(); 51 52 for (i=0;i<len;i+=7) { 53 /* We rotate the interrupt pins so that the mapping 54 * changes depending on the slot the carrier card is in. 55 */ 56 map[3] = ((map[3] + slot - 2) % 4) + 1; 57 map+=7; 58 } 59 } 60 } 61 62 void 63 ft_board_setup(void *blob, bd_t *bd) 64 { 65 ft_cpu_setup(blob, bd); 66 #ifdef CONFIG_PCI 67 ft_pci_setup(blob, bd); 68 cds_pci_fixup(blob); 69 #endif 70 } 71 #endif 72