1 files changed, 112 insertions, 3 deletions

diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 168eeacaa4c0..7b11e552bc5a 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -26,9 +26,10 @@
 #include <asm/mach/time.h>
 #include <mach/hardware.h>
 #include <mach/orion5x.h>
-#include <asm/plat-orion/ehci-orion.h>
-#include <asm/plat-orion/orion_nand.h>
-#include <asm/plat-orion/time.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)
@@ -382,6 +480,8 @@ static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name)
                         *dev_name = "MV88F5281-D2";
                 } else if (*rev == MV88F5281_REV_D1) {
                         *dev_name = "MV88F5281-D1";
+                } else if (*rev == MV88F5281_REV_D0) {
+                        *dev_name = "MV88F5281-D0";
                 } else {
                         *dev_name = "MV88F5281-Rev-Unsupported";
                 }
@@ -416,6 +516,15 @@ void __init orion5x_init(void)
          * Setup Orion address map
          */
         orion5x_setup_cpu_mbus_bridge();
+
+        /*
+         * Don't issue "Wait for Interrupt" instruction if we are
+         * running on D0 5281 silicon.
+         */
+        if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) {
+                printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n");
+                disable_hlt();
+        }
 }
 
 /*