SPEAr: Add PL080 DMA support for 3xx and 6xx

Both SPEAr3xx and SPEAr6xx families have one instance of ARM PL080 DMA
controller. This patch adds in support for that.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
index a94d8c12ed99..17d4ac9a95e1 100644
--- a/arch/arm/mach-spear3xx/spear3xx.c
+++ b/arch/arm/mach-spear3xx/spear3xx.c
@@ -17,7 +17,9 @@
 #include <linux/amba/pl08x.h>
 #include <linux/of_irq.h>
 #include <linux/io.h>
+#include <asm/hardware/pl080.h>
 #include <asm/hardware/vic.h>
+#include <plat/pl080.h>
 #include <mach/generic.h>
 #include <mach/hardware.h>
 
@@ -465,6 +467,23 @@ struct pl022_ssp_controller pl022_plat_data = {
         .num_chipselect = 2,
 };
 
+/* dmac device registration */
+struct pl08x_platform_data pl080_plat_data = {
+        .memcpy_channel = {
+                .bus_id = "memcpy",
+                .cctl = (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \
+                        PL080_BSIZE_16 << PL080_CONTROL_DB_SIZE_SHIFT | \
+                        PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT | \
+                        PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT | \
+                        PL080_CONTROL_PROT_BUFF | PL080_CONTROL_PROT_CACHE | \
+                        PL080_CONTROL_PROT_SYS),
+        },
+        .lli_buses = PL08X_AHB1,
+        .mem_buses = PL08X_AHB1,
+        .get_signal = pl080_get_signal,
+        .put_signal = pl080_put_signal,
+};
+
 /*
  * Following will create 16MB static virtual/physical mappings
  * PHYSICAL             VIRTUAL