diff options
| author | Peter Tyser <ptyser@xes-inc.com> | 2009-05-21 12:09:59 -0500 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2009-06-12 17:17:45 -0500 |
| commit | b1f12650d332eadac1306a772cab6096abee6ddd (patch) | |
| tree | 63857048dbcf02afc024643d1997b884f8368a91 /cpu/mpc86xx | |
| parent | 3bd8e532b5de20647aeaff94a1cbf33fb8b897b9 (diff) | |
fsl: Create common fsl_dma.h for 85xx and 86xx cpus
Break out DMA structures for the Freescale MPC85xx and MPC86xx cpus to
reduce a large amount of code duplication
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'cpu/mpc86xx')
| -rw-r--r-- | cpu/mpc86xx/cpu.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/cpu/mpc86xx/cpu.c b/cpu/mpc86xx/cpu.c index 653a13739..f35323ac6 100644 --- a/cpu/mpc86xx/cpu.c +++ b/cpu/mpc86xx/cpu.c @@ -183,10 +183,11 @@ void dma_init(void) { volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile ccsr_dma_t *dma = &immap->im_dma; + volatile ccsr_dma_t *dma_base = &immap->im_dma; + volatile fsl_dma_t *dma = &dma_base->dma[0]; - dma->satr0 = 0x00040000; - dma->datr0 = 0x00040000; + dma->satr = 0x00040000; + dma->datr = 0x00040000; asm("sync; isync"); } @@ -194,12 +195,13 @@ uint dma_check(void) { volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile ccsr_dma_t *dma = &immap->im_dma; - volatile uint status = dma->sr0; + volatile ccsr_dma_t *dma_base = &immap->im_dma; + volatile fsl_dma_t *dma = &dma_base->dma[0]; + volatile uint status = dma->sr; /* While the channel is busy, spin */ while ((status & 4) == 4) { - status = dma->sr0; + status = dma->sr; } if (status != 0) { @@ -212,14 +214,15 @@ int dma_xfer(void *dest, uint count, void *src) { volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile ccsr_dma_t *dma = &immap->im_dma; + volatile ccsr_dma_t *dma_base = &immap->im_dma; + volatile fsl_dma_t *dma = &dma_base->dma[0]; - dma->dar0 = (uint) dest; - dma->sar0 = (uint) src; - dma->bcr0 = count; - dma->mr0 = 0xf000004; + dma->dar = (uint) dest; + dma->sar = (uint) src; + dma->bcr = count; + dma->mr = 0xf000004; asm("sync;isync"); - dma->mr0 = 0xf000005; + dma->mr = 0xf000005; asm("sync;isync"); return dma_check(); } |