X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Ffreescale%2Fcommon%2Fcds_pci_ft.c;h=2e5dcdf0e285a00f771e1e8fdec6146a18540915;hb=3765b3e7bd0f8e46914d417f29cbcb0c72b1acf7;hp=8a09f99cc4e7e852ea79cc0454269d9efde3b681;hpb=9dfa8da709a1589d177d99c597d9b18d8c9a145d;p=platform%2Fkernel%2Fu-boot.git

diff --git a/board/freescale/common/cds_pci_ft.c b/board/freescale/common/cds_pci_ft.c
index 8a09f99..2e5dcdf 100644
--- a/board/freescale/common/cds_pci_ft.c
+++ b/board/freescale/common/cds_pci_ft.c
@@ -1,23 +1,7 @@
 /*
  * Copyright 2004 Freescale Semiconductor.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -31,7 +15,8 @@ static void cds_pci_fixup(void *blob)
 	int node;
 	const char *path;
 	int len, slot, i;
-	u32 *map = NULL;
+	u32 *map = NULL, *piccells = NULL;
+	int off, cells;
 
 	node = fdt_path_offset(blob, "/aliases");
 	if (node >= 0) {
@@ -41,6 +26,25 @@ static void cds_pci_fixup(void *blob)
 			if (node >= 0) {
 				map = fdt_getprop_w(blob, node, "interrupt-map", &len);
 			}
+			/* Each item in "interrupt-map" property is translated with
+			 * following cells:
+			 * PCI #address-cells, PCI #interrupt-cells,
+			 * PIC address, PIC #address-cells, PIC #interrupt-cells.
+			 */
+			cells = fdt_getprop_u32_default(blob, path, "#address-cells", 1);
+			cells += fdt_getprop_u32_default(blob, path, "#interrupt-cells", 1);
+			off = fdt_node_offset_by_phandle(blob, fdt32_to_cpu(*(map+cells)));
+			if (off <= 0)
+				return;
+			cells += 1;
+			piccells = (u32 *)fdt_getprop(blob, off, "#address-cells", NULL);
+			if (piccells == NULL)
+				return;
+			cells += *piccells;
+			piccells = (u32 *)fdt_getprop(blob, off, "#interrupt-cells", NULL);
+			if (piccells == NULL)
+				return;
+			cells += *piccells;
 		}
 	}
 
@@ -49,12 +53,12 @@ static void cds_pci_fixup(void *blob)
 
 		slot = get_pci_slot();
 
-		for (i=0;i<len;i+=7) {
+		for (i=0;i<len;i+=cells) {
 			/* We rotate the interrupt pins so that the mapping
 			 * changes depending on the slot the carrier card is in.
 			 */
 			map[3] = ((map[3] + slot - 2) % 4) + 1;
-			map+=7;
+			map+=cells;
 		}
 	}
 }