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Diffstat (limited to 'board/freescale/common/cds_pci_ft.c')
-rw-r--r--board/freescale/common/cds_pci_ft.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/board/freescale/common/cds_pci_ft.c b/board/freescale/common/cds_pci_ft.c
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+++ b/board/freescale/common/cds_pci_ft.c
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+/*
+ * 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
+ */
+
+#include <common.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include "cadmus.h"
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+static void cds_pci_fixup(void *blob)
+{
+ int node, tmp[2];
+ const char *path;
+ int len, slot, i;
+ u32 *map = NULL;
+
+ node = fdt_path_offset(blob, "/aliases");
+ tmp[0] = 0;
+ if (node >= 0) {
+ path = fdt_getprop(blob, node, "pci0", NULL);
+ if (path) {
+ node = fdt_path_offset(blob, path);
+ if (node >= 0) {
+ map = fdt_getprop_w(blob, node, "interrupt-map", &len);
+ }
+ }
+ }
+
+ if (map) {
+ len /= sizeof(u32);
+
+ slot = get_pci_slot();
+
+ for (i=0;i<len;i+=7) {
+ /* 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;
+ }
+ }
+}
+
+void
+ft_board_setup(void *blob, bd_t *bd)
+{
+ ft_cpu_setup(blob, bd);
+#ifdef CONFIG_PCI
+ ft_pci_setup(blob, bd);
+ cds_pci_fixup(blob);
+#endif
+}
+#endif