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/mpc85xx | |
| parent | 3bd8e532b5de20647aeaff94a1cbf33fb8b897b9 (diff) | |
| download | u-boot-imx-b1f12650d332eadac1306a772cab6096abee6ddd.zip u-boot-imx-b1f12650d332eadac1306a772cab6096abee6ddd.tar.gz u-boot-imx-b1f12650d332eadac1306a772cab6096abee6ddd.tar.bz2 | |
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/mpc85xx')
| -rw-r--r-- | cpu/mpc85xx/cpu.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c index 9ad1188..331fcc0 100644 --- a/cpu/mpc85xx/cpu.c +++ b/cpu/mpc85xx/cpu.c @@ -266,26 +266,28 @@ reset_85xx_watchdog(void) #if defined(CONFIG_DDR_ECC) void dma_init(void) { - volatile ccsr_dma_t *dma = (void *)(CONFIG_SYS_MPC85xx_DMA_ADDR); + volatile ccsr_dma_t *dma_base = (void *)(CONFIG_SYS_MPC85xx_DMA_ADDR); + volatile fsl_dma_t *dma = &dma_base->dma[0]; - dma->satr0 = 0x02c40000; - dma->datr0 = 0x02c40000; - dma->sr0 = 0xfffffff; /* clear any errors */ + dma->satr = 0x02c40000; + dma->datr = 0x02c40000; + dma->sr = 0xfffffff; /* clear any errors */ asm("sync; isync; msync"); return; } uint dma_check(void) { - volatile ccsr_dma_t *dma = (void *)(CONFIG_SYS_MPC85xx_DMA_ADDR); - volatile uint status = dma->sr0; + volatile ccsr_dma_t *dma_base = (void *)(CONFIG_SYS_MPC85xx_DMA_ADDR); + 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; } /* clear MR0[CS] channel start bit */ - dma->mr0 &= 0x00000001; + dma->mr &= 0x00000001; asm("sync;isync;msync"); if (status != 0) { @@ -295,14 +297,15 @@ uint dma_check(void) { } int dma_xfer(void *dest, uint count, void *src) { - volatile ccsr_dma_t *dma = (void *)(CONFIG_SYS_MPC85xx_DMA_ADDR); + volatile ccsr_dma_t *dma_base = (void *)(CONFIG_SYS_MPC85xx_DMA_ADDR); + 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;msync"); - dma->mr0 = 0xf000005; + dma->mr = 0xf000005; asm("sync;isync;msync"); return dma_check(); } |