diff options
| author |   Bryan Wu <bryan.wu@analog.com> | 2007-12-04 23:45:12 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-12-05 09:21:19 -0800 |
| commit | 131b17d42de6194fa960132c1f62c29923c4f20c (patch) | |
| tree | 7606b689e111820328ff5c88a57192adce02cec2 /include/asm-blackfin/mach-bf548/defBF54x_base.h | |
| parent | spi: use simplified spi_sync() calling convention (diff) | |
| download | linux-dev-131b17d42de6194fa960132c1f62c29923c4f20c.tar.xz linux-dev-131b17d42de6194fa960132c1f62c29923c4f20c.zip | |
spi: initial BF54x SPI support
Initial BF54x SPI support
- support BF54x SPI0
- clean up some code (whitespace etc)
- will support multiports in the future
- start using portmux calls
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | include/asm-blackfin/mach-bf548/defBF54x_base.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/asm-blackfin/mach-bf548/defBF54x_base.h b/include/asm-blackfin/mach-bf548/defBF54x_base.h index da979cb62f7d..319a48590c9c 100644 --- a/include/asm-blackfin/mach-bf548/defBF54x_base.h +++ b/include/asm-blackfin/mach-bf548/defBF54x_base.h @@ -1644,8 +1644,25 @@ #define RESTART 0x20 /* Work Unit Transitions */ #define DI_SEL 0x40 /* Data Interrupt Timing Select */ #define DI_EN 0x80 /* Data Interrupt Enable */ + #define NDSIZE 0xf00 /* Flex Descriptor Size */ +#define NDSIZE_0 0x0000 /* Next Descriptor Size = 0 (Stop/Autobuffer) */ +#define NDSIZE_1 0x0100 /* Next Descriptor Size = 1 */ +#define NDSIZE_2 0x0200 /* Next Descriptor Size = 2 */ +#define NDSIZE_3 0x0300 /* Next Descriptor Size = 3 */ +#define NDSIZE_4 0x0400 /* Next Descriptor Size = 4 */ +#define NDSIZE_5 0x0500 /* Next Descriptor Size = 5 */ +#define NDSIZE_6 0x0600 /* Next Descriptor Size = 6 */ +#define NDSIZE_7 0x0700 /* Next Descriptor Size = 7 */ +#define NDSIZE_8 0x0800 /* Next Descriptor Size = 8 */ +#define NDSIZE_9 0x0900 /* Next Descriptor Size = 9 */ + #define DMAFLOW 0xf000 /* Next Operation */ +#define DMAFLOW_STOP 0x0000 /* Stop Mode */ +#define DMAFLOW_AUTO 0x1000 /* Autobuffer Mode */ +#define DMAFLOW_ARRAY 0x4000 /* Descriptor Array Mode */ +#define DMAFLOW_SMALL 0x6000 /* Small Model Descriptor List Mode */ +#define DMAFLOW_LARGE 0x7000 /* Large Model Descriptor List Mode */ /* Bit masks for DMAx_IRQ_STATUS, MDMA_Sx_IRQ_STATUS, MDMA_Dx_IRQ_STATUS */ |