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>
diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
index a94d8c1..17d4ac9 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 @@
.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