diff options
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2009-04-22 19:40:31 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2009-06-17 14:06:25 +0400 |
| commit | f48c8c958a2d39f13dace880d15a6e711aafe577 (patch) | |
| tree | 0d0c6f4aebca09ce7279a59a25810e9d6e09dd85 /arch/mips/txx9/generic/setup_tx4938.c | |
| parent | ea76f0b3759283ec3cc06c86e266bf0fa6a981d2 (diff) | |
| download | linux-f48c8c958a2d39f13dace880d15a6e711aafe577.tar.xz | |
MIPS: TXx9: Add DMAC support
Add platform support for DMAC of TXx9 SoCs.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/txx9/generic/setup_tx4938.c')
| -rw-r--r-- | arch/mips/txx9/generic/setup_tx4938.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c index 3925219b8973..b2b85293cd44 100644 --- a/arch/mips/txx9/generic/setup_tx4938.c +++ b/arch/mips/txx9/generic/setup_tx4938.c @@ -24,6 +24,7 @@ #include <asm/txx9pio.h> #include <asm/txx9/generic.h> #include <asm/txx9/ndfmc.h> +#include <asm/txx9/dmac.h> #include <asm/txx9/tx4938.h> static void __init tx4938_wdr_init(void) @@ -239,11 +240,6 @@ void __init tx4938_setup(void) for (i = 0; i < TX4938_NR_TMR; i++) txx9_tmr_init(TX4938_TMR_REG(i) & 0xfffffffffULL); - /* DMA */ - for (i = 0; i < 2; i++) - ____raw_writeq(TX4938_DMA_MCR_MSTEN, - (void __iomem *)(TX4938_DMA_REG(i) + 0x50)); - /* PIO */ txx9_gpio_init(TX4938_PIO_REG & 0xfffffffffULL, 0, TX4938_NUM_PIO); __raw_writel(0, &tx4938_pioptr->maskcpu); @@ -403,6 +399,21 @@ void __init tx4938_ndfmc_init(unsigned int hold, unsigned int spw) txx9_ndfmc_init(baseaddr, &plat_data); } +void __init tx4938_dmac_init(int memcpy_chan0, int memcpy_chan1) +{ + struct txx9dmac_platform_data plat_data = { + .have_64bit_regs = true, + }; + int i; + + for (i = 0; i < 2; i++) { + plat_data.memcpy_chan = i ? memcpy_chan1 : memcpy_chan0; + txx9_dmac_init(i, TX4938_DMA_REG(i) & 0xfffffffffULL, + TXX9_IRQ_BASE + TX4938_IR_DMA(i, 0), + &plat_data); + } +} + static void __init tx4938_stop_unused_modules(void) { __u64 pcfg, rst = 0, ckd = 0; |