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Added code to support 2.6.18 PCI changes in u-boot

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* Added code to swizzle the IRQ map for the PCI
This commit is contained in:
Andy Fleming 2006-09-13 10:33:56 -05:00 • committed by Jon Loeliger
parent 2f15776ccc
commit 084d648b10
1 changed files with 30 additions and 2 deletions
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32
board/cds/common/ft_board.c
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@ -24,9 +24,35 @@
#if defined(CONFIG_OF_FLAT_TREE)
#include <ft_build.h>
extern void ft_cpu_setup(void *blob, bd_t *bd);
#endif
#include "cadmus.h"
extern void ft_cpu_setup(void *blob, bd_t *bd);
static void cds_pci_fixup(void *blob)
{
int len;
u32 *map;
int slot;
int i;
map = ft_get_prop(blob, "/" OF_SOC "/pci@8000/interrupt-map", &len);
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.
*/
int j;
map[3] = ((map[3] + slot - 2) % 4) + 1;
map+=7;
}
}
#endif
#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
void
@ -45,5 +71,7 @@ ft_board_setup(void *blob, bd_t *bd)
*p++ = cpu_to_be32(bd->bi_memstart);
*p = cpu_to_be32(bd->bi_memsize);
}
cds_pci_fixup(blob);
}
#endif