diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-03-30 09:45:54 +0300 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-04-25 15:18:35 +0300 |
| commit | 210a2c876fe02c9440569c9282af43e7a85562e3 (patch) | |
| tree | 9bf52dabe1c46e11efc47a1962e82793122deb60 /drivers/mtd/nand/denali.h | |
| parent | a56609c4c3f34de76d905e39160511b3c53310ac (diff) | |
| download | linux-210a2c876fe02c9440569c9282af43e7a85562e3.tar.xz | |
mtd: nand: denali: support 64bit capable DMA engine
The current driver only supports the DMA engine up to 32 bit
physical address, but there also exists 64 bit capable DMA engine
for this IP.
The data DMA setup sequence is completely different, so I added the
64 bit DMA code as a new function denali_setup_dma64(). The 32 bit
one has been renamed to denali_setup_dma32().
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'drivers/mtd/nand/denali.h')
| -rw-r--r-- | drivers/mtd/nand/denali.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h index e532956b7177..1f413d05a010 100644 --- a/drivers/mtd/nand/denali.h +++ b/drivers/mtd/nand/denali.h @@ -347,6 +347,7 @@ struct denali_nand_info { }; #define DENALI_CAP_HW_ECC_FIXUP BIT(0) +#define DENALI_CAP_DMA_64BIT BIT(1) extern int denali_init(struct denali_nand_info *denali); extern void denali_remove(struct denali_nand_info *denali); |