1 files changed, 64 insertions, 2 deletions

diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c
index bcbb9d5dc293..6df0c215fdb4 100644
--- a/arch/arm/plat-omap/fb.c
+++ b/arch/arm/plat-omap/fb.c
@@ -29,10 +29,72 @@
 #include <linux/memblock.h>
 #include <linux/io.h>
 #include <linux/omapfb.h>
+#include <linux/dma-mapping.h>
 
 #include <mach/hardware.h>
 #include <asm/mach/map.h>
 
+#include <plat/cpu.h>
+
+#ifdef CONFIG_OMAP2_VRFB
+
+/*
+ * The first memory resource is the register region for VRFB,
+ * the rest are VRFB virtual memory areas for each VRFB context.
+ */
+
+static const struct resource omap2_vrfb_resources[] = {
+        DEFINE_RES_MEM_NAMED(0x68008000u, 0x40, "vrfb-regs"),
+        DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
+        DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
+        DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
+        DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
+};
+
+static const struct resource omap3_vrfb_resources[] = {
+        DEFINE_RES_MEM_NAMED(0x6C000180u, 0xc0, "vrfb-regs"),
+        DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
+        DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
+        DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
+        DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
+        DEFINE_RES_MEM_NAMED(0xe0000000u, 0x4000000, "vrfb-area-4"),
+        DEFINE_RES_MEM_NAMED(0xe4000000u, 0x4000000, "vrfb-area-5"),
+        DEFINE_RES_MEM_NAMED(0xe8000000u, 0x4000000, "vrfb-area-6"),
+        DEFINE_RES_MEM_NAMED(0xec000000u, 0x4000000, "vrfb-area-7"),
+        DEFINE_RES_MEM_NAMED(0xf0000000u, 0x4000000, "vrfb-area-8"),
+        DEFINE_RES_MEM_NAMED(0xf4000000u, 0x4000000, "vrfb-area-9"),
+        DEFINE_RES_MEM_NAMED(0xf8000000u, 0x4000000, "vrfb-area-10"),
+        DEFINE_RES_MEM_NAMED(0xfc000000u, 0x4000000, "vrfb-area-11"),
+};
+
+static int __init omap_init_vrfb(void)
+{
+        struct platform_device *pdev;
+        const struct resource *res;
+        unsigned int num_res;
+
+        if (cpu_is_omap24xx()) {
+                res = omap2_vrfb_resources;
+                num_res = ARRAY_SIZE(omap2_vrfb_resources);
+        } else if (cpu_is_omap34xx()) {
+                res = omap3_vrfb_resources;
+                num_res = ARRAY_SIZE(omap3_vrfb_resources);
+        } else {
+                return 0;
+        }
+
+        pdev = platform_device_register_resndata(NULL, "omapvrfb", -1,
+                        res, num_res, NULL, 0);
+
+        if (IS_ERR(pdev))
+                return PTR_ERR(pdev);
+        else
+                return 0;
+}
+
+arch_initcall(omap_init_vrfb);
+#endif
+
 #if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE)
 
 static bool omapfb_lcd_configured;
@@ -45,7 +107,7 @@ static struct platform_device omap_fb_device = {
         .id             = -1,
         .dev = {
                 .dma_mask               = &omap_fb_dma_mask,
-                .coherent_dma_mask      = ~(u32)0,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
                 .platform_data          = &omapfb_config,
         },
         .num_resources = 0,
@@ -81,7 +143,7 @@ static struct platform_device omap_fb_device = {
         .id             = -1,
         .dev = {
                 .dma_mask               = &omap_fb_dma_mask,
-                .coherent_dma_mask      = ~(u32)0,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
                 .platform_data          = &omapfb_config,
         },
         .num_resources = 0,