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>
diff --git a/arch/mips/txx9/generic/setup_tx4927.c b/arch/mips/txx9/generic/setup_tx4927.c
index 1093549..6b681cd 100644
--- a/arch/mips/txx9/generic/setup_tx4927.c
+++ b/arch/mips/txx9/generic/setup_tx4927.c
@@ -22,6 +22,7 @@
#include <asm/txx9tmr.h>
#include <asm/txx9pio.h>
#include <asm/txx9/generic.h>
+#include <asm/txx9/dmac.h>
#include <asm/txx9/tx4927.h>
static void __init tx4927_wdr_init(void)
@@ -253,6 +254,17 @@
txx9_physmap_flash_init(ch, start, size, &pdata);
}
+void __init tx4927_dmac_init(int memcpy_chan)
+{
+ struct txx9dmac_platform_data plat_data = {
+ .memcpy_chan = memcpy_chan,
+ .have_64bit_regs = true,
+ };
+
+ txx9_dmac_init(0, TX4927_DMA_REG & 0xfffffffffULL,
+ TXX9_IRQ_BASE + TX4927_IR_DMA(0), &plat_data);
+}
+
static void __init tx4927_stop_unused_modules(void)
{
__u64 pcfg, rst = 0, ckd = 0;