MIPS: TXx9: Add DMAC support

[net-next-2.6.git] / arch / mips / txx9 / generic / setup_tx4939.c

diff --git a/arch/mips/txx9/generic/setup_tx4939.c b/arch/mips/txx9/generic/setup_tx4939.c
index c2bf150c883898a1c126d8c8c37be404c87ff2fb..98effef64fdb1966b7ee21165a28d9792d3a0e6d 100644 (file)
--- a/arch/mips/txx9/generic/setup_tx4939.c
+++ b/arch/mips/txx9/generic/setup_tx4939.c
@@ -28,6 +28,7 @@
 #include <asm/txx9tmr.h>
 #include <asm/txx9/generic.h>
 #include <asm/txx9/ndfmc.h>
+#include <asm/txx9/dmac.h>
 #include <asm/txx9/tx4939.h>
 
 static void __init tx4939_wdr_init(void)
@@ -259,11 +260,6 @@ void __init tx4939_setup(void)
        for (i = 0; i < TX4939_NR_TMR; i++)
                txx9_tmr_init(TX4939_TMR_REG(i) & 0xfffffffffULL);
 
-       /* DMA */
-       for (i = 0; i < 2; i++)
-               ____raw_writeq(TX4938_DMA_MCR_MSTEN,
-                              (void __iomem *)(TX4939_DMA_REG(i) + 0x50));
-
        /* set PCIC1 reset (required to prevent hangup on BIST) */
        txx9_set64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_PCI1RST);
        pcfg = ____raw_readq(&tx4939_ccfgptr->pcfg);
@@ -474,6 +470,21 @@ void __init tx4939_ndfmc_init(unsigned int hold, unsigned int spw,
        txx9_ndfmc_init(TX4939_NDFMC_REG & 0xfffffffffULL, &plat_data);
 }
 
+void __init tx4939_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, TX4939_DMA_REG(i) & 0xfffffffffULL,
+                              TXX9_IRQ_BASE + TX4939_IR_DMA(i, 0),
+                              &plat_data);
+       }
+}
+
 static void __init tx4939_stop_unused_modules(void)
 {
        __u64 pcfg, rst = 0, ckd = 0;