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fdt: Added helper to set PCI dma-ranges property

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Added fdt_pci_dma_ranges() that parses the pci_region info from the
struct pci_controller and populates the dma-ranges based on it.

The max # of windws/dma-ranges we support is 3 since on embedded
PowerPC based systems this is the max number of windows.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Fleming-AFLEMING <afleming@freescale.com>
This commit is contained in:
Kumar Gala 2008-10-22 23:33:56 -05:00 • committed by Andrew Fleming-AFLEMING
parent 3bed2aaf2d
commit 8ab451c46b
2 changed files with 74 additions and 0 deletions
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5
include/fdt_support.h
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@ -65,6 +65,11 @@ void fdt_fixup_crypto_node(void *blob, int sec_rev);
static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {}
#endif
#ifdef CONFIG_PCI
#include <pci.h>
int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
#endif
#ifdef CONFIG_OF_BOARD_SETUP
void ft_board_setup(void *blob, bd_t *bd);
void ft_cpu_setup(void *blob, bd_t *bd);