diff options
Diffstat (limited to 'nuttx/arch/arm/src/sam3u/sam3u_internal.h')
| -rwxr-xr-x | nuttx/arch/arm/src/sam3u/sam3u_internal.h | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/nuttx/arch/arm/src/sam3u/sam3u_internal.h b/nuttx/arch/arm/src/sam3u/sam3u_internal.h index a6ff75ba6..91cfc7fa1 100755 --- a/nuttx/arch/arm/src/sam3u/sam3u_internal.h +++ b/nuttx/arch/arm/src/sam3u/sam3u_internal.h @@ -313,7 +313,7 @@ #define DMACH_FLAG_FIFOCFG_SHIFT (2) /* Bits 2-3: FIFO configuration */ #define DMACH_FLAG_FIFOCFG_MASK (3 << DMACH_FLAG_FIFOCFG_SHIFT) -# define DMACH_FLAG_FIFOCFG_LARGEST (DMACH_FLAG_BURST_LARGEST << DMACH_FLAG_FIFOCFG_SHIFT +# define DMACH_FLAG_FIFOCFG_LARGEST (DMACH_FLAG_BURST_LARGEST << DMACH_FLAG_FIFOCFG_SHIFT) # define DMACH_FLAG_FIFOCFG_HALF (DMACH_FLAG_BURST_HALF << DMACH_FLAG_FIFOCFG_SHIFT) # define DMACH_FLAG_FIFOCFG_SINGLE (DMACH_FLAG_BURST_SINGLE << DMACH_FLAG_FIFOCFG_SHIFT) @@ -329,19 +329,25 @@ # define DMACH_FLAG_PERIPHWIDTH_32BITS (2 << DMACH_FLAG_PERIPHWIDTH_SHIFT) /* 32 bits */ #define DMACH_FLAG_PERIPHINCREMENT (1 << 11) /* Bit 11: Autoincrement peripheral address */ #define DMACH_FLAG_PERIPHLLIMODE (1 << 12) /* Bit 12: Use link list descriptors */ +#define DMACH_FLAG_PERIPHCHUNKSIZE (1 << 13) /* Bit 13: Peripheral chunk size */ +# define DMACH_FLAG_PERIPHCHUNKSIZE_1 (0) /* Peripheral chunksize = 1 */ +# define DMACH_FLAG_PERIPHCHUNKSIZE_4 DMACH_FLAG_PERIPHCHUNKSIZE /* Peripheral chunksize = 4 */ /* Memory endpoint characteristics */ -#define DMACH_FLAG_MEMPID_SHIFT (13) /* Bits 13-16: Memory PID */ +#define DMACH_FLAG_MEMPID_SHIFT (14) /* Bits 14-17: Memory PID */ #define DMACH_FLAG_MEMPID_MASK (15 << DMACH_FLAG_PERIPHPID_SHIFT) -#define DMACH_FLAG_MEMH2SEL (1 << 17) /* Bits 17: HW handshaking */ -#define DMACH_FLAG_MEMWIDTH_SHIFT (18) /* Bits 18-19: Memory width */ +#define DMACH_FLAG_MEMH2SEL (1 << 18) /* Bits 18: HW handshaking */ +#define DMACH_FLAG_MEMWIDTH_SHIFT (19) /* Bits 19-20: Memory width */ #define DMACH_FLAG_MEMWIDTH_MASK (3 << DMACH_FLAG_MEMWIDTH_SHIFT) # define DMACH_FLAG_MEMWIDTH_8BITS (0 << DMACH_FLAG_MEMWIDTH_SHIFT) /* 8 bits */ # define DMACH_FLAG_MEMWIDTH_16BITS (1 << DMACH_FLAG_MEMWIDTH_SHIFT) /* 16 bits */ # define DMACH_FLAG_MEMWIDTH_32BITS (2 << DMACH_FLAG_MEMWIDTH_SHIFT) /* 32 bits */ -#define DMACH_FLAG_MEMINCREMENT (1 << 20) /* Bit 20: Autoincrement memory address */ -#define DMACH_FLAG_MEMLLIMODE (1 << 21) /* Bit 21: Use link list descriptors */ +#define DMACH_FLAG_MEMINCREMENT (1 << 21) /* Bit 21: Autoincrement memory address */ +#define DMACH_FLAG_MEMLLIMODE (1 << 22) /* Bit 22: Use link list descriptors */ +#define DMACH_FLAG_MEMCHUNKSIZE (1 << 23) /* Bit 23: Memory chunk size */ +# define DMACH_FLAG_MEMCHUNKSIZE_1 (0) /* Memory chunksize = 1 */ +# define DMACH_FLAG_MEMCHUNKSIZE_4 DMACH_FLAG_MEMCHUNKSIZE /* Memory chunksize = 4 */ /************************************************************************************ * Public Types |