diff options
Diffstat (limited to 'hw/dma.c')
| -rw-r--r-- | hw/dma.c | 22 |
1 files changed, 11 insertions, 11 deletions
@@ -201,7 +201,7 @@ static void write_cont(void *opaque, hwaddr nport, uint64_t data, iport = (nport >> d->dshift) & 0x0f; switch (iport) { - case 0x01: /* command */ + case 0x00: /* command */ if ((data != 0) && (data & CMD_NOT_SUPPORTED)) { dolog("command %"PRIx64" not supported\n", data); return; @@ -209,7 +209,7 @@ static void write_cont(void *opaque, hwaddr nport, uint64_t data, d->command = data; break; - case 0x02: + case 0x01: ichan = data & 3; if (data & 4) { d->status |= 1 << (ichan + 4); @@ -221,7 +221,7 @@ static void write_cont(void *opaque, hwaddr nport, uint64_t data, DMA_run(); break; - case 0x03: /* single mask */ + case 0x02: /* single mask */ if (data & 4) d->mask |= 1 << (data & 3); else @@ -229,7 +229,7 @@ static void write_cont(void *opaque, hwaddr nport, uint64_t data, DMA_run(); break; - case 0x04: /* mode */ + case 0x03: /* mode */ { ichan = data & 3; #ifdef DEBUG_DMA @@ -248,23 +248,23 @@ static void write_cont(void *opaque, hwaddr nport, uint64_t data, break; } - case 0x05: /* clear flip flop */ + case 0x04: /* clear flip flop */ d->flip_flop = 0; break; - case 0x06: /* reset */ + case 0x05: /* reset */ d->flip_flop = 0; d->mask = ~0; d->status = 0; d->command = 0; break; - case 0x07: /* clear mask for all channels */ + case 0x06: /* clear mask for all channels */ d->mask = 0; DMA_run(); break; - case 0x08: /* write mask for all channels */ + case 0x07: /* write mask for all channels */ d->mask = data; DMA_run(); break; @@ -289,11 +289,11 @@ static uint64_t read_cont(void *opaque, hwaddr nport, unsigned size) iport = (nport >> d->dshift) & 0x0f; switch (iport) { - case 0x08: /* status */ + case 0x00: /* status */ val = d->status; d->status &= 0xf0; break; - case 0x0f: /* mask */ + case 0x01: /* mask */ val = d->mask; break; default: @@ -468,7 +468,7 @@ void DMA_schedule(int nchan) static void dma_reset(void *opaque) { struct dma_cont *d = opaque; - write_cont(d, (0x06 << d->dshift), 0, 1); + write_cont(d, (0x05 << d->dshift), 0, 1); } static int dma_phony_handler (void *opaque, int nchan, int dma_pos, int dma_len) |