[ARM] Orion: Instantiate mv_xor driver for 5182

Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>

1 files changed, 98 insertions, 0 deletions

diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 8f2146bd8a94..7b11e552bc5a 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -27,6 +27,7 @@
 #include <mach/hardware.h>
 #include <mach/orion5x.h>
 #include <plat/ehci-orion.h>
+#include <plat/mv_xor.h>
 #include <plat/orion_nand.h>
 #include <plat/time.h>
 #include "common.h"
@@ -355,6 +356,103 @@ void __init orion5x_uart1_init(void)
 
 
 /*****************************************************************************
+ * XOR engine
+ ****************************************************************************/
+static struct resource orion5x_xor_shared_resources[] = {
+        {
+                .name   = "xor low",
+                .start  = ORION5X_XOR_PHYS_BASE,
+                .end    = ORION5X_XOR_PHYS_BASE + 0xff,
+                .flags  = IORESOURCE_MEM,
+        }, {
+                .name   = "xor high",
+                .start  = ORION5X_XOR_PHYS_BASE + 0x200,
+                .end    = ORION5X_XOR_PHYS_BASE + 0x2ff,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static struct platform_device orion5x_xor_shared = {
+        .name           = MV_XOR_SHARED_NAME,
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(orion5x_xor_shared_resources),
+        .resource       = orion5x_xor_shared_resources,
+};
+
+static u64 orion5x_xor_dmamask = DMA_32BIT_MASK;
+
+static struct resource orion5x_xor0_resources[] = {
+        [0] = {
+                .start  = IRQ_ORION5X_XOR0,
+                .end    = IRQ_ORION5X_XOR0,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct mv_xor_platform_data orion5x_xor0_data = {
+        .shared         = &orion5x_xor_shared,
+        .hw_id          = 0,
+        .pool_size      = PAGE_SIZE,
+};
+
+static struct platform_device orion5x_xor0_channel = {
+        .name           = MV_XOR_NAME,
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(orion5x_xor0_resources),
+        .resource       = orion5x_xor0_resources,
+        .dev            = {
+                .dma_mask               = &orion5x_xor_dmamask,
+                .coherent_dma_mask      = DMA_64BIT_MASK,
+                .platform_data          = (void *)&orion5x_xor0_data,
+        },
+};
+
+static struct resource orion5x_xor1_resources[] = {
+        [0] = {
+                .start  = IRQ_ORION5X_XOR1,
+                .end    = IRQ_ORION5X_XOR1,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct mv_xor_platform_data orion5x_xor1_data = {
+        .shared         = &orion5x_xor_shared,
+        .hw_id          = 1,
+        .pool_size      = PAGE_SIZE,
+};
+
+static struct platform_device orion5x_xor1_channel = {
+        .name           = MV_XOR_NAME,
+        .id             = 1,
+        .num_resources  = ARRAY_SIZE(orion5x_xor1_resources),
+        .resource       = orion5x_xor1_resources,
+        .dev            = {
+                .dma_mask               = &orion5x_xor_dmamask,
+                .coherent_dma_mask      = DMA_64BIT_MASK,
+                .platform_data          = (void *)&orion5x_xor1_data,
+        },
+};
+
+void __init orion5x_xor_init(void)
+{
+        platform_device_register(&orion5x_xor_shared);
+
+        /*
+         * two engines can't do memset simultaneously, this limitation
+         * satisfied by removing memset support from one of the engines.
+         */
+        dma_cap_set(DMA_MEMCPY, orion5x_xor0_data.cap_mask);
+        dma_cap_set(DMA_XOR, orion5x_xor0_data.cap_mask);
+        platform_device_register(&orion5x_xor0_channel);
+
+        dma_cap_set(DMA_MEMCPY, orion5x_xor1_data.cap_mask);
+        dma_cap_set(DMA_MEMSET, orion5x_xor1_data.cap_mask);
+        dma_cap_set(DMA_XOR, orion5x_xor1_data.cap_mask);
+        platform_device_register(&orion5x_xor1_channel);
+}
+
+
+/*****************************************************************************
  * Time handling
  ****************************************************************************/
 static void orion5x_timer_init(void)