diff options
Diffstat (limited to 'board/freescale/common/cds_pci_ft.c')
-rw-r--r-- | board/freescale/common/cds_pci_ft.c | 72 |
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 new file mode 100644 index 0000000000..6f221aff26 --- /dev/null +++ b/board/freescale/common/cds_pci_ft.c @@ -0,0 +1,72 @@ +/* + * 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 |