diff --git a/drivers/gpu/drm/nouveau/core/engine/device/base.c b/drivers/gpu/drm/nouveau/core/engine/device/base.c
index 96559ac..18c8c72 100644
--- a/drivers/gpu/drm/nouveau/core/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/core/engine/device/base.c
@@ -131,8 +131,8 @@
 	if (ret)
 		return ret;
 
-	mmio_base = pci_resource_start(device->pdev, 0);
-	mmio_size = pci_resource_len(device->pdev, 0);
+	mmio_base = nv_device_resource_start(device, 0);
+	mmio_size = nv_device_resource_len(device, 0);
 
 	/* translate api disable mask into internal mapping */
 	disable = args->debug0;
@@ -448,6 +448,72 @@
 	nouveau_engine_destroy(&device->base);
 }
 
+resource_size_t
+nv_device_resource_start(struct nouveau_device *device, unsigned int bar)
+{
+	if (nv_device_is_pci(device)) {
+		return pci_resource_start(device->pdev, bar);
+	} else {
+		struct resource *res;
+		res = platform_get_resource(device->platformdev,
+					    IORESOURCE_MEM, bar);
+		if (!res)
+			return 0;
+		return res->start;
+	}
+}
+
+resource_size_t
+nv_device_resource_len(struct nouveau_device *device, unsigned int bar)
+{
+	if (nv_device_is_pci(device)) {
+		return pci_resource_len(device->pdev, bar);
+	} else {
+		struct resource *res;
+		res = platform_get_resource(device->platformdev,
+					    IORESOURCE_MEM, bar);
+		if (!res)
+			return 0;
+		return resource_size(res);
+	}
+}
+
+dma_addr_t
+nv_device_map_page(struct nouveau_device *device, struct page *page)
+{
+	dma_addr_t ret;
+
+	if (nv_device_is_pci(device)) {
+		ret = pci_map_page(device->pdev, page, 0, PAGE_SIZE,
+				   PCI_DMA_BIDIRECTIONAL);
+		if (pci_dma_mapping_error(device->pdev, ret))
+			ret = 0;
+	} else {
+		ret = page_to_phys(page);
+	}
+
+	return ret;
+}
+
+void
+nv_device_unmap_page(struct nouveau_device *device, dma_addr_t addr)
+{
+	if (nv_device_is_pci(device))
+		pci_unmap_page(device->pdev, addr, PAGE_SIZE,
+			       PCI_DMA_BIDIRECTIONAL);
+}
+
+int
+nv_device_get_irq(struct nouveau_device *device, bool stall)
+{
+	if (nv_device_is_pci(device)) {
+		return device->pdev->irq;
+	} else {
+		return platform_get_irq_byname(device->platformdev,
+					       stall ? "stall" : "nonstall");
+	}
+}
+
 static struct nouveau_oclass
 nouveau_device_oclass = {
 	.handle = NV_ENGINE(DEVICE, 0x00),
@@ -459,8 +525,8 @@
 };
 
 int
-nouveau_device_create_(struct pci_dev *pdev, u64 name, const char *sname,
-		       const char *cfg, const char *dbg,
+nouveau_device_create_(void *dev, enum nv_bus_type type, u64 name,
+		       const char *sname, const char *cfg, const char *dbg,
 		       int length, void **pobject)
 {
 	struct nouveau_device *device;
@@ -478,7 +544,14 @@
 	if (ret)
 		goto done;
 
-	device->pdev = pdev;
+	switch (type) {
+	case NOUVEAU_BUS_PCI:
+		device->pdev = dev;
+		break;
+	case NOUVEAU_BUS_PLATFORM:
+		device->platformdev = dev;
+		break;
+	}
 	device->handle = name;
 	device->cfgopt = cfg;
 	device->dbgopt = dbg;
diff --git a/drivers/gpu/drm/nouveau/core/engine/falcon.c b/drivers/gpu/drm/nouveau/core/engine/falcon.c
index 5e077e4..2914646 100644
--- a/drivers/gpu/drm/nouveau/core/engine/falcon.c
+++ b/drivers/gpu/drm/nouveau/core/engine/falcon.c
@@ -119,7 +119,7 @@
 		snprintf(name, sizeof(name), "nouveau/nv%02x_fuc%03x",
 			 device->chipset, falcon->addr >> 12);
 
-		ret = request_firmware(&fw, name, &device->pdev->dev);
+		ret = request_firmware(&fw, name, nv_device_base(device));
 		if (ret == 0) {
 			falcon->code.data = vmemdup(fw->data, fw->size);
 			falcon->code.size = fw->size;
@@ -138,7 +138,7 @@
 		snprintf(name, sizeof(name), "nouveau/nv%02x_fuc%03xd",
 			 device->chipset, falcon->addr >> 12);
 
-		ret = request_firmware(&fw, name, &device->pdev->dev);
+		ret = request_firmware(&fw, name, nv_device_base(device));
 		if (ret) {
 			nv_error(falcon, "unable to load firmware data\n");
 			return ret;
@@ -153,7 +153,7 @@
 		snprintf(name, sizeof(name), "nouveau/nv%02x_fuc%03xc",
 			 device->chipset, falcon->addr >> 12);
 
-		ret = request_firmware(&fw, name, &device->pdev->dev);
+		ret = request_firmware(&fw, name, nv_device_base(device));
 		if (ret) {
 			nv_error(falcon, "unable to load firmware code\n");
 			return ret;
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/base.c b/drivers/gpu/drm/nouveau/core/engine/fifo/base.c
index d3ec436d9..6f9041c 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/base.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/base.c
@@ -86,7 +86,7 @@
 	}
 
 	/* map fifo control registers */
-	chan->user = ioremap(pci_resource_start(device->pdev, bar) + addr +
+	chan->user = ioremap(nv_device_resource_start(device, bar) + addr +
 			     (chan->chid * size), size);
 	if (!chan->user)
 		return -EFAULT;
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv20.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv20.c
index b245593..d145e08 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv20.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv20.c
@@ -349,7 +349,7 @@
 	nv_wr32(priv, NV10_PGRAPH_SURFACE, tmp);
 
 	/* begin RAM config */
-	vramsz = pci_resource_len(nv_device(priv)->pdev, 0) - 1;
+	vramsz = nv_device_resource_len(nv_device(priv), 0) - 1;
 	nv_wr32(priv, 0x4009A4, nv_rd32(priv, 0x100200));
 	nv_wr32(priv, 0x4009A8, nv_rd32(priv, 0x100204));
 	nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00EA0000);
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
index 193a5de..6477fbf 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
@@ -484,7 +484,7 @@
 		engine->tile_prog(engine, i);
 
 	/* begin RAM config */
-	vramsz = pci_resource_len(nv_device(priv)->pdev, 0) - 1;
+	vramsz = nv_device_resource_len(nv_device(priv), 0) - 1;
 	switch (nv_device(priv)->chipset) {
 	case 0x40:
 		nv_wr32(priv, 0x4009A4, nv_rd32(priv, 0x100200));
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
index a73ab20..6ef8bf1 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
@@ -1091,10 +1091,10 @@
 	int ret;
 
 	snprintf(f, sizeof(f), "nouveau/nv%02x_%s", device->chipset, fwname);
-	ret = request_firmware(&fw, f, &device->pdev->dev);
+	ret = request_firmware(&fw, f, nv_device_base(device));
 	if (ret) {
 		snprintf(f, sizeof(f), "nouveau/%s", fwname);
-		ret = request_firmware(&fw, f, &device->pdev->dev);
+		ret = request_firmware(&fw, f, nv_device_base(device));
 		if (ret) {
 			nv_error(priv, "failed to load %s\n", fwname);
 			return ret;
diff --git a/drivers/gpu/drm/nouveau/core/engine/xtensa.c b/drivers/gpu/drm/nouveau/core/engine/xtensa.c
index 5f6ede7..9238475 100644
--- a/drivers/gpu/drm/nouveau/core/engine/xtensa.c
+++ b/drivers/gpu/drm/nouveau/core/engine/xtensa.c
@@ -112,7 +112,7 @@
 		snprintf(name, sizeof(name), "nouveau/nv84_xuc%03x",
 			 xtensa->addr >> 12);
 
-		ret = request_firmware(&fw, name, &device->pdev->dev);
+		ret = request_firmware(&fw, name, nv_device_base(device));
 		if (ret) {
 			nv_warn(xtensa, "unable to load firmware %s\n", name);
 			return ret;
diff --git a/drivers/gpu/drm/nouveau/core/include/core/device.h b/drivers/gpu/drm/nouveau/core/include/core/device.h
index 7e7acee..a8a9a9c 100644
--- a/drivers/gpu/drm/nouveau/core/include/core/device.h
+++ b/drivers/gpu/drm/nouveau/core/include/core/device.h
@@ -66,6 +66,7 @@
 	struct list_head head;
 
 	struct pci_dev *pdev;
+	struct platform_device *platformdev;
 	u64 handle;
 
 	const char *cfgopt;
@@ -142,4 +143,32 @@
 	       device->pdev->subsystem_device == sub;
 }
 
+static inline bool
+nv_device_is_pci(struct nouveau_device *device)
+{
+	return device->pdev != NULL;
+}
+
+static inline struct device *
+nv_device_base(struct nouveau_device *device)
+{
+	return nv_device_is_pci(device) ? &device->pdev->dev :
+					  &device->platformdev->dev;
+}
+
+resource_size_t
+nv_device_resource_start(struct nouveau_device *device, unsigned int bar);
+
+resource_size_t
+nv_device_resource_len(struct nouveau_device *device, unsigned int bar);
+
+dma_addr_t
+nv_device_map_page(struct nouveau_device *device, struct page *page);
+
+void
+nv_device_unmap_page(struct nouveau_device *device, dma_addr_t addr);
+
+int
+nv_device_get_irq(struct nouveau_device *device, bool stall);
+
 #endif
diff --git a/drivers/gpu/drm/nouveau/core/include/engine/device.h b/drivers/gpu/drm/nouveau/core/include/engine/device.h
index 5856694..672d3c8 100644
--- a/drivers/gpu/drm/nouveau/core/include/engine/device.h
+++ b/drivers/gpu/drm/nouveau/core/include/engine/device.h
@@ -3,11 +3,20 @@
 
 #include <core/device.h>
 
-#define nouveau_device_create(p,n,s,c,d,u)                                     \
-	nouveau_device_create_((p), (n), (s), (c), (d), sizeof(**u), (void **)u)
+struct platform_device;
 
-int  nouveau_device_create_(struct pci_dev *, u64 name, const char *sname,
-			    const char *cfg, const char *dbg, int, void **);
+enum nv_bus_type {
+	NOUVEAU_BUS_PCI,
+	NOUVEAU_BUS_PLATFORM,
+};
+
+#define nouveau_device_create(p,t,n,s,c,d,u)                                   \
+	nouveau_device_create_((void *)(p), (t), (n), (s), (c), (d),           \
+			       sizeof(**u), (void **)u)
+
+int  nouveau_device_create_(void *, enum nv_bus_type type, u64 name,
+			    const char *sname, const char *cfg, const char *dbg,
+			    int, void **);
 
 int nv04_identify(struct nouveau_device *);
 int nv10_identify(struct nouveau_device *);
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/mc.h b/drivers/gpu/drm/nouveau/core/include/subdev/mc.h
index 3c6738e..72b1768 100644
--- a/drivers/gpu/drm/nouveau/core/include/subdev/mc.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/mc.h
@@ -12,6 +12,7 @@
 struct nouveau_mc {
 	struct nouveau_subdev base;
 	bool use_msi;
+	unsigned int irq;
 };
 
 static inline struct nouveau_mc *
diff --git a/drivers/gpu/drm/nouveau/core/os.h b/drivers/gpu/drm/nouveau/core/os.h
index 191e739..d0ced94 100644
--- a/drivers/gpu/drm/nouveau/core/os.h
+++ b/drivers/gpu/drm/nouveau/core/os.h
@@ -5,6 +5,7 @@
 #include <linux/slab.h>
 #include <linux/mutex.h>
 #include <linux/pci.h>
+#include <linux/platform_device.h>
 #include <linux/printk.h>
 #include <linux/bitops.h>
 #include <linux/firmware.h>
@@ -23,17 +24,6 @@
 
 #include <asm/unaligned.h>
 
-static inline int
-ffsll(u64 mask)
-{
-	int i;
-	for (i = 0; i < 64; i++) {
-		if (mask & (1ULL << i))
-			return i + 1;
-	}
-	return 0;
-}
-
 #ifndef ioread32_native
 #ifdef __BIG_ENDIAN
 #define ioread16_native ioread16be
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bar/base.c b/drivers/gpu/drm/nouveau/core/subdev/bar/base.c
index 7098ddd..bdf5941 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bar/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bar/base.c
@@ -118,8 +118,8 @@
 	if (ret)
 		return ret;
 
-	bar->iomem = ioremap(pci_resource_start(device->pdev, 3),
-			     pci_resource_len(device->pdev, 3));
+	bar->iomem = ioremap(nv_device_resource_start(device, 3),
+			     nv_device_resource_len(device, 3));
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c
index 090d594..baa2b62 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c
@@ -139,7 +139,7 @@
 
 	/* BAR3 */
 	start = 0x0100000000ULL;
-	limit = start + pci_resource_len(device->pdev, 3);
+	limit = start + nv_device_resource_len(device, 3);
 
 	ret = nouveau_vm_new(device, start, limit, start, &vm);
 	if (ret)
@@ -173,7 +173,7 @@
 
 	/* BAR1 */
 	start = 0x0000000000ULL;
-	limit = start + pci_resource_len(device->pdev, 1);
+	limit = start + nv_device_resource_len(device, 1);
 
 	ret = nouveau_vm_new(device, start, limit--, start, &vm);
 	if (ret)
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c
index bac5e75..3f30db6 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c
@@ -84,7 +84,6 @@
 	      struct nouveau_object **pobject)
 {
 	struct nouveau_device *device = nv_device(parent);
-	struct pci_dev *pdev = device->pdev;
 	struct nvc0_bar_priv *priv;
 	struct nouveau_gpuobj *mem;
 	struct nouveau_vm *vm;
@@ -107,14 +106,14 @@
 	if (ret)
 		return ret;
 
-	ret = nouveau_vm_new(device, 0, pci_resource_len(pdev, 3), 0, &vm);
+	ret = nouveau_vm_new(device, 0, nv_device_resource_len(device, 3), 0, &vm);
 	if (ret)
 		return ret;
 
 	atomic_inc(&vm->engref[NVDEV_SUBDEV_BAR]);
 
 	ret = nouveau_gpuobj_new(nv_object(priv), NULL,
-				 (pci_resource_len(pdev, 3) >> 12) * 8,
+				 (nv_device_resource_len(device, 3) >> 12) * 8,
 				 0x1000, NVOBJ_FLAG_ZERO_ALLOC,
 				 &vm->pgt[0].obj[0]);
 	vm->pgt[0].refcount[0] = 1;
@@ -128,8 +127,8 @@
 
 	nv_wo32(mem, 0x0200, lower_32_bits(priv->bar[0].pgd->addr));
 	nv_wo32(mem, 0x0204, upper_32_bits(priv->bar[0].pgd->addr));
-	nv_wo32(mem, 0x0208, lower_32_bits(pci_resource_len(pdev, 3) - 1));
-	nv_wo32(mem, 0x020c, upper_32_bits(pci_resource_len(pdev, 3) - 1));
+	nv_wo32(mem, 0x0208, lower_32_bits(nv_device_resource_len(device, 3) - 1));
+	nv_wo32(mem, 0x020c, upper_32_bits(nv_device_resource_len(device, 3) - 1));
 
 	/* BAR1 */
 	ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x1000, 0, 0,
@@ -143,7 +142,7 @@
 	if (ret)
 		return ret;
 
-	ret = nouveau_vm_new(device, 0, pci_resource_len(pdev, 1), 0, &vm);
+	ret = nouveau_vm_new(device, 0, nv_device_resource_len(device, 1), 0, &vm);
 	if (ret)
 		return ret;
 
@@ -156,8 +155,8 @@
 
 	nv_wo32(mem, 0x0200, lower_32_bits(priv->bar[1].pgd->addr));
 	nv_wo32(mem, 0x0204, upper_32_bits(priv->bar[1].pgd->addr));
-	nv_wo32(mem, 0x0208, lower_32_bits(pci_resource_len(pdev, 1) - 1));
-	nv_wo32(mem, 0x020c, upper_32_bits(pci_resource_len(pdev, 1) - 1));
+	nv_wo32(mem, 0x0208, lower_32_bits(nv_device_resource_len(device, 1) - 1));
+	nv_wo32(mem, 0x020c, upper_32_bits(nv_device_resource_len(device, 1) - 1));
 
 	priv->base.alloc = nouveau_bar_alloc;
 	priv->base.kmap = nvc0_bar_kmap;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/devinit/fbmem.h b/drivers/gpu/drm/nouveau/core/subdev/devinit/fbmem.h
index 6b56a0f..4fe49cf 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/devinit/fbmem.h
+++ b/drivers/gpu/drm/nouveau/core/subdev/devinit/fbmem.h
@@ -24,6 +24,8 @@
  *
  */
 
+#include <core/device.h>
+
 #define NV04_PFB_BOOT_0						0x00100000
 #	define NV04_PFB_BOOT_0_RAM_AMOUNT			0x00000003
 #	define NV04_PFB_BOOT_0_RAM_AMOUNT_32MB			0x00000000
@@ -60,10 +62,10 @@
 #	define NV10_PFB_REFCTRL_VALID_1				(1 << 31)
 
 static inline struct io_mapping *
-fbmem_init(struct pci_dev *pdev)
+fbmem_init(struct nouveau_device *dev)
 {
-	return io_mapping_create_wc(pci_resource_start(pdev, 1),
-				    pci_resource_len(pdev, 1));
+	return io_mapping_create_wc(nv_device_resource_start(dev, 1),
+				    nv_device_resource_len(dev, 1));
 }
 
 static inline void
diff --git a/drivers/gpu/drm/nouveau/core/subdev/devinit/nv04.c b/drivers/gpu/drm/nouveau/core/subdev/devinit/nv04.c
index 7037eae..052ad69 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/devinit/nv04.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/devinit/nv04.c
@@ -38,7 +38,7 @@
 	int i;
 
 	/* Map the framebuffer aperture */
-	fb = fbmem_init(nv_device(priv)->pdev);
+	fb = fbmem_init(nv_device(priv));
 	if (!fb) {
 		nv_error(priv, "failed to map fb\n");
 		return;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/devinit/nv05.c b/drivers/gpu/drm/nouveau/core/subdev/devinit/nv05.c
index 98b7e67..4a19c10 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/devinit/nv05.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/devinit/nv05.c
@@ -53,7 +53,7 @@
 	int i, v;
 
 	/* Map the framebuffer aperture */
-	fb = fbmem_init(nv_device(priv)->pdev);
+	fb = fbmem_init(nv_device(priv));
 	if (!fb) {
 		nv_error(priv, "failed to map fb\n");
 		return;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/devinit/nv10.c b/drivers/gpu/drm/nouveau/core/subdev/devinit/nv10.c
index 32b3d21..3b8d657 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/devinit/nv10.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/devinit/nv10.c
@@ -46,7 +46,7 @@
 		mem_width_count = 2;
 
 	/* Map the framebuffer aperture */
-	fb = fbmem_init(nv_device(priv)->pdev);
+	fb = fbmem_init(nv_device(priv));
 	if (!fb) {
 		nv_error(priv, "failed to map fb\n");
 		return;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/devinit/nv20.c b/drivers/gpu/drm/nouveau/core/subdev/devinit/nv20.c
index 4689ba3..04bc973 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/devinit/nv20.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/devinit/nv20.c
@@ -37,7 +37,7 @@
 	struct io_mapping *fb;
 
 	/* Map the framebuffer aperture */
-	fb = fbmem_init(nv_device(priv)->pdev);
+	fb = fbmem_init(nv_device(priv));
 	if (!fb) {
 		nv_error(priv, "failed to map fb\n");
 		return;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
index cbc7f00..1fc55c1 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
@@ -250,10 +250,8 @@
 
 	priv->r100c08_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
 	if (priv->r100c08_page) {
-		priv->r100c08 = pci_map_page(device->pdev, priv->r100c08_page,
-					     0, PAGE_SIZE,
-					     PCI_DMA_BIDIRECTIONAL);
-		if (pci_dma_mapping_error(device->pdev, priv->r100c08))
+		priv->r100c08 = nv_device_map_page(device, priv->r100c08_page);
+		if (!priv->r100c08)
 			nv_warn(priv, "failed 0x100c08 page map\n");
 	} else {
 		nv_warn(priv, "failed 0x100c08 page alloc\n");
@@ -270,8 +268,7 @@
 	struct nv50_fb_priv *priv = (void *)object;
 
 	if (priv->r100c08_page) {
-		pci_unmap_page(device->pdev, priv->r100c08, PAGE_SIZE,
-			       PCI_DMA_BIDIRECTIONAL);
+		nv_device_unmap_page(device, priv->r100c08);
 		__free_page(priv->r100c08_page);
 	}
 
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c
index 45470e1..0670ae3 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c
@@ -70,8 +70,7 @@
 	struct nvc0_fb_priv *priv = (void *)object;
 
 	if (priv->r100c10_page) {
-		pci_unmap_page(device->pdev, priv->r100c10, PAGE_SIZE,
-			       PCI_DMA_BIDIRECTIONAL);
+		nv_device_unmap_page(device, priv->r100c10);
 		__free_page(priv->r100c10_page);
 	}
 
@@ -94,10 +93,8 @@
 
 	priv->r100c10_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
 	if (priv->r100c10_page) {
-		priv->r100c10 = pci_map_page(device->pdev, priv->r100c10_page,
-					     0, PAGE_SIZE,
-					     PCI_DMA_BIDIRECTIONAL);
-		if (pci_dma_mapping_error(device->pdev, priv->r100c10))
+		priv->r100c10 = nv_device_map_page(device, priv->r100c10_page);
+		if (!priv->r100c10)
 			return -EFAULT;
 	}
 
diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c
index c33c03d..378e05b 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c
@@ -111,7 +111,7 @@
 	snprintf(port->adapter.name, sizeof(port->adapter.name),
 		 "nouveau-%s-%d", device->name, index);
 	port->adapter.owner = THIS_MODULE;
-	port->adapter.dev.parent = &device->pdev->dev;
+	port->adapter.dev.parent = nv_device_base(device);
 	port->index = index;
 	port->func = func;
 	i2c_set_adapdata(&port->adapter, i2c);
diff --git a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c
index ec0b966..8803809 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c
@@ -50,7 +50,6 @@
 		  struct nouveau_object **pobject)
 {
 	struct nouveau_device *device = nv_device(parent);
-	struct pci_dev *pdev = device->pdev;
 	struct nv04_instmem_priv *priv;
 	int ret, bar, vs;
 
@@ -60,13 +59,13 @@
 		return ret;
 
 	/* map bar */
-	if (pci_resource_len(pdev, 2))
+	if (nv_device_resource_len(device, 2))
 		bar = 2;
 	else
 		bar = 3;
 
-	priv->iomem = ioremap(pci_resource_start(pdev, bar),
-			      pci_resource_len(pdev, bar));
+	priv->iomem = ioremap(nv_device_resource_start(device, bar),
+			      nv_device_resource_len(device, bar));
 	if (!priv->iomem) {
 		nv_error(priv, "unable to map PRAMIN BAR\n");
 		return -EFAULT;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c
index b4b9943..8a55551 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c
@@ -93,7 +93,7 @@
 {
 	struct nouveau_device *device = nv_device(object);
 	struct nouveau_mc *pmc = (void *)object;
-	free_irq(device->pdev->irq, pmc);
+	free_irq(pmc->irq, pmc);
 	if (pmc->use_msi)
 		pci_disable_msi(device->pdev);
 	nouveau_subdev_destroy(&pmc->base);
@@ -114,33 +114,44 @@
 	if (ret)
 		return ret;
 
-	switch (device->pdev->device & 0x0ff0) {
-	case 0x00f0:
-	case 0x02e0:
-		/* BR02? NFI how these would be handled yet exactly */
-		break;
-	default:
-		switch (device->chipset) {
-		case 0xaa: break; /* reported broken, nv also disable it */
-		default:
-			pmc->use_msi = true;
+	if (nv_device_is_pci(device))
+		switch (device->pdev->device & 0x0ff0) {
+		case 0x00f0:
+		case 0x02e0:
+			/* BR02? NFI how these would be handled yet exactly */
 			break;
+		default:
+			switch (device->chipset) {
+			case 0xaa:
+				/* reported broken, nv also disable it */
+				break;
+			default:
+				pmc->use_msi = true;
+				break;
+		}
+
+		pmc->use_msi = nouveau_boolopt(device->cfgopt, "NvMSI",
+					       pmc->use_msi);
+
+		if (pmc->use_msi && oclass->msi_rearm) {
+			pmc->use_msi = pci_enable_msi(device->pdev) == 0;
+			if (pmc->use_msi) {
+				nv_info(pmc, "MSI interrupts enabled\n");
+				oclass->msi_rearm(pmc);
+			}
+		} else {
+			pmc->use_msi = false;
 		}
 	}
 
-	pmc->use_msi = nouveau_boolopt(device->cfgopt, "NvMSI", pmc->use_msi);
-	if (pmc->use_msi && oclass->msi_rearm) {
-		pmc->use_msi = pci_enable_msi(device->pdev) == 0;
-		if (pmc->use_msi) {
-			nv_info(pmc, "MSI interrupts enabled\n");
-			oclass->msi_rearm(pmc);
-		}
-	} else {
-		pmc->use_msi = false;
-	}
+	ret = nv_device_get_irq(device, true);
+	if (ret < 0)
+		return ret;
+	pmc->irq = ret;
 
-	ret = request_irq(device->pdev->irq, nouveau_mc_intr,
-			  IRQF_SHARED, "nouveau", pmc);
+	ret = request_irq(pmc->irq, nouveau_mc_intr, IRQF_SHARED, "nouveau",
+			  pmc);
+
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c b/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
index 13c5af8..51fcf79 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
@@ -96,7 +96,7 @@
 	acpi_handle handle;
 	int rev;
 
-	handle = ACPI_HANDLE(&device->pdev->dev);
+	handle = ACPI_HANDLE(nv_device_base(device));
 	if (!handle)
 		return false;
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index e0be8a1..b13f441 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -180,12 +180,21 @@
 		getparam->value = device->chipset;
 		break;
 	case NOUVEAU_GETPARAM_PCI_VENDOR:
-		getparam->value = dev->pdev->vendor;
+		if (nv_device_is_pci(device))
+			getparam->value = dev->pdev->vendor;
+		else
+			getparam->value = 0;
 		break;
 	case NOUVEAU_GETPARAM_PCI_DEVICE:
-		getparam->value = dev->pdev->device;
+		if (nv_device_is_pci(device))
+			getparam->value = dev->pdev->device;
+		else
+			getparam->value = 0;
 		break;
 	case NOUVEAU_GETPARAM_BUS_TYPE:
+		if (!nv_device_is_pci(device))
+			getparam->value = 3;
+		else
 		if (drm_pci_device_is_agp(dev))
 			getparam->value = 0;
 		else
diff --git a/drivers/gpu/drm/nouveau/nouveau_agp.c b/drivers/gpu/drm/nouveau/nouveau_agp.c
index 2953c4e..51666da 100644
--- a/drivers/gpu/drm/nouveau/nouveau_agp.c
+++ b/drivers/gpu/drm/nouveau/nouveau_agp.c
@@ -75,7 +75,7 @@
 {
 	struct drm_device *dev = drm->dev;
 
-	if (!drm_pci_device_is_agp(dev) || !dev->agp)
+	if (!dev->pdev || !drm_pci_device_is_agp(dev) || !dev->agp)
 		return false;
 
 	if (drm->agp.stat == UNKNOWN) {
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 4c3feaa..04564dcd 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -2069,6 +2069,10 @@
 	struct nvbios *bios = &drm->vbios;
 	int ret;
 
+	/* only relevant for PCI devices */
+	if (!dev->pdev)
+		return 0;
+
 	if (!NVInitVBIOS(dev))
 		return -ENODEV;
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 4aed171..b6dc85c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -1255,7 +1255,7 @@
 		/* fallthrough, tiled memory */
 	case TTM_PL_VRAM:
 		mem->bus.offset = mem->start << PAGE_SHIFT;
-		mem->bus.base = pci_resource_start(dev->pdev, 1);
+		mem->bus.base = nv_device_resource_start(nouveau_dev(dev), 1);
 		mem->bus.is_iomem = true;
 		if (nv_device(drm->device)->card_type >= NV_50) {
 			struct nouveau_bar *bar = nouveau_bar(drm->device);
@@ -1293,7 +1293,7 @@
 	struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
 	struct nouveau_bo *nvbo = nouveau_bo(bo);
 	struct nouveau_device *device = nv_device(drm->device);
-	u32 mappable = pci_resource_len(device->pdev, 1) >> PAGE_SHIFT;
+	u32 mappable = nv_device_resource_len(device, 1) >> PAGE_SHIFT;
 	int ret;
 
 	/* as long as the bo isn't in vram, and isn't tiled, we've got
@@ -1331,6 +1331,7 @@
 {
 	struct ttm_dma_tt *ttm_dma = (void *)ttm;
 	struct nouveau_drm *drm;
+	struct nouveau_device *device;
 	struct drm_device *dev;
 	unsigned i;
 	int r;
@@ -1348,6 +1349,7 @@
 	}
 
 	drm = nouveau_bdev(ttm->bdev);
+	device = nv_device(drm->device);
 	dev = drm->dev;
 
 #if __OS_HAS_AGP
@@ -1368,13 +1370,12 @@
 	}
 
 	for (i = 0; i < ttm->num_pages; i++) {
-		ttm_dma->dma_address[i] = pci_map_page(dev->pdev, ttm->pages[i],
-						   0, PAGE_SIZE,
-						   PCI_DMA_BIDIRECTIONAL);
-		if (pci_dma_mapping_error(dev->pdev, ttm_dma->dma_address[i])) {
+		ttm_dma->dma_address[i] = nv_device_map_page(device,
+							     ttm->pages[i]);
+		if (!ttm_dma->dma_address[i]) {
 			while (--i) {
-				pci_unmap_page(dev->pdev, ttm_dma->dma_address[i],
-					       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+				nv_device_unmap_page(device,
+						     ttm_dma->dma_address[i]);
 				ttm_dma->dma_address[i] = 0;
 			}
 			ttm_pool_unpopulate(ttm);
@@ -1389,6 +1390,7 @@
 {
 	struct ttm_dma_tt *ttm_dma = (void *)ttm;
 	struct nouveau_drm *drm;
+	struct nouveau_device *device;
 	struct drm_device *dev;
 	unsigned i;
 	bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
@@ -1397,6 +1399,7 @@
 		return;
 
 	drm = nouveau_bdev(ttm->bdev);
+	device = nv_device(drm->device);
 	dev = drm->dev;
 
 #if __OS_HAS_AGP
@@ -1415,8 +1418,7 @@
 
 	for (i = 0; i < ttm->num_pages; i++) {
 		if (ttm_dma->dma_address[i]) {
-			pci_unmap_page(dev->pdev, ttm_dma->dma_address[i],
-				       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+			nv_device_unmap_page(device, ttm_dma->dma_address[i]);
 		}
 	}
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c
index cc5152b..ccb6b45 100644
--- a/drivers/gpu/drm/nouveau/nouveau_chan.c
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.c
@@ -154,7 +154,7 @@
 			 * nfi why this exists, it came from the -nv ddx.
 			 */
 			args.flags = NV_DMA_TARGET_PCI | NV_DMA_ACCESS_RDWR;
-			args.start = pci_resource_start(device->pdev, 1);
+			args.start = nv_device_resource_start(device, 1);
 			args.limit = args.start + limit;
 		} else {
 			args.flags = NV_DMA_TARGET_VRAM | NV_DMA_ACCESS_RDWR;
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 1eb86da..db19a56 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -419,6 +419,7 @@
 nouveau_display_create(struct drm_device *dev)
 {
 	struct nouveau_drm *drm = nouveau_drm(dev);
+	struct nouveau_device *device = nouveau_dev(dev);
 	struct nouveau_display *disp;
 	int ret, gen;
 
@@ -459,7 +460,7 @@
 	}
 
 	dev->mode_config.funcs = &nouveau_mode_config_funcs;
-	dev->mode_config.fb_base = pci_resource_start(dev->pdev, 1);
+	dev->mode_config.fb_base = nv_device_resource_start(device, 1);
 
 	dev->mode_config.min_width = 0;
 	dev->mode_config.min_height = 0;
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index eeadcac..8f811a5f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -82,7 +82,7 @@
 static struct drm_driver driver;
 
 static u64
-nouveau_name(struct pci_dev *pdev)
+nouveau_pci_name(struct pci_dev *pdev)
 {
 	u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
 	name |= pdev->bus->number << 16;
@@ -90,15 +90,30 @@
 	return name | PCI_FUNC(pdev->devfn);
 }
 
+static u64
+nouveau_platform_name(struct platform_device *platformdev)
+{
+	return platformdev->id;
+}
+
+static u64
+nouveau_name(struct drm_device *dev)
+{
+	if (dev->pdev)
+		return nouveau_pci_name(dev->pdev);
+	else
+		return nouveau_platform_name(dev->platformdev);
+}
+
 static int
-nouveau_cli_create(struct pci_dev *pdev, const char *name,
+nouveau_cli_create(u64 name, const char *sname,
 		   int size, void **pcli)
 {
 	struct nouveau_cli *cli;
 	int ret;
 
 	*pcli = NULL;
-	ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config,
+	ret = nouveau_client_create_(sname, name, nouveau_config,
 				     nouveau_debug, size, pcli);
 	cli = *pcli;
 	if (ret) {
@@ -282,7 +297,8 @@
 	remove_conflicting_framebuffers(aper, "nouveaufb", boot);
 	kfree(aper);
 
-	ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
+	ret = nouveau_device_create(pdev, NOUVEAU_BUS_PCI,
+				    nouveau_pci_name(pdev), pci_name(pdev),
 				    nouveau_config, nouveau_debug, &device);
 	if (ret)
 		return ret;
@@ -305,6 +321,12 @@
 {
 	struct pci_dev *pdev = drm->dev->pdev;
 
+	if (!pdev) {
+		DRM_INFO("not a PCI device; no HDMI");
+		drm->hdmi_device = NULL;
+		return;
+	}
+
 	/* subfunction one is a hdmi audio device? */
 	drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
 						PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
@@ -330,7 +352,8 @@
 	struct nouveau_drm *drm;
 	int ret;
 
-	ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm);
+	ret = nouveau_cli_create(nouveau_name(dev), "DRM", sizeof(*drm),
+				 (void **)&drm);
 	if (ret)
 		return ret;
 
@@ -346,7 +369,7 @@
 	/* make sure AGP controller is in a consistent state before we
 	 * (possibly) execute vbios init tables (see nouveau_agp.h)
 	 */
-	if (drm_pci_device_is_agp(dev) && dev->agp) {
+	if (pdev && drm_pci_device_is_agp(dev) && dev->agp) {
 		/* dummy device object, doesn't init anything, but allows
 		 * agp code access to registers
 		 */
@@ -672,7 +695,6 @@
 static int
 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
 {
-	struct pci_dev *pdev = dev->pdev;
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nouveau_cli *cli;
 	char name[32], tmpname[TASK_COMM_LEN];
@@ -686,7 +708,9 @@
 	get_task_comm(tmpname, current);
 	snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
 
-	ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
+	ret = nouveau_cli_create(nouveau_name(dev), name, sizeof(*cli),
+			(void **)&cli);
+
 	if (ret)
 		goto out_suspend;
 
@@ -975,6 +999,25 @@
 	.driver.pm = &nouveau_pm_ops,
 };
 
+int nouveau_drm_platform_probe(struct platform_device *pdev)
+{
+	struct nouveau_device *device;
+	int ret;
+
+	ret = nouveau_device_create(pdev, NOUVEAU_BUS_PLATFORM,
+				    nouveau_platform_name(pdev),
+				    dev_name(&pdev->dev), nouveau_config,
+				    nouveau_debug, &device);
+
+	ret = drm_platform_init(&driver, pdev);
+	if (ret) {
+		nouveau_object_ref(NULL, (struct nouveau_object **)&device);
+		return ret;
+	}
+
+	return ret;
+}
+
 static int __init
 nouveau_drm_init(void)
 {
diff --git a/drivers/gpu/drm/nouveau/nouveau_sysfs.c b/drivers/gpu/drm/nouveau/nouveau_sysfs.c
index 89201a1..75dda2b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sysfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sysfs.c
@@ -30,7 +30,7 @@
 static inline struct drm_device *
 drm_device(struct device *d)
 {
-	return pci_get_drvdata(to_pci_dev(d));
+	return dev_get_drvdata(d);
 }
 
 #define snappendf(p,r,f,a...) do {                                             \
@@ -132,9 +132,10 @@
 {
 	struct nouveau_sysfs *sysfs = nouveau_sysfs(dev);
 	struct nouveau_drm *drm = nouveau_drm(dev);
+	struct nouveau_device *device = nv_device(drm->device);
 
 	if (sysfs->ctrl) {
-		device_remove_file(&dev->pdev->dev, &dev_attr_pstate);
+		device_remove_file(nv_device_base(device), &dev_attr_pstate);
 		nouveau_object_del(nv_object(drm), NVDRM_DEVICE, NVDRM_CONTROL);
 	}
 
@@ -146,6 +147,7 @@
 nouveau_sysfs_init(struct drm_device *dev)
 {
 	struct nouveau_drm *drm = nouveau_drm(dev);
+	struct nouveau_device *device = nv_device(drm->device);
 	struct nouveau_sysfs *sysfs;
 	int ret;
 
@@ -156,7 +158,7 @@
 	ret = nouveau_object_new(nv_object(drm), NVDRM_DEVICE, NVDRM_CONTROL,
 				 NV_CONTROL_CLASS, NULL, 0, &sysfs->ctrl);
 	if (ret == 0)
-		device_create_file(&dev->pdev->dev, &dev_attr_pstate);
+		device_create_file(nv_device_base(device), &dev_attr_pstate);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c
index be3a3c9..ab0228f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_ttm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c
@@ -354,21 +354,26 @@
 nouveau_ttm_init(struct nouveau_drm *drm)
 {
 	struct drm_device *dev = drm->dev;
+	struct nouveau_device *device = nv_device(drm->device);
 	u32 bits;
 	int ret;
 
 	bits = nouveau_vmmgr(drm->device)->dma_bits;
-	if ( drm->agp.stat == ENABLED ||
-	    !pci_dma_supported(dev->pdev, DMA_BIT_MASK(bits)))
-		bits = 32;
+	if (nv_device_is_pci(device)) {
+		if (drm->agp.stat == ENABLED ||
+		     !pci_dma_supported(dev->pdev, DMA_BIT_MASK(bits)))
+			bits = 32;
 
-	ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits));
-	if (ret)
-		return ret;
+		ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits));
+		if (ret)
+			return ret;
 
-	ret = pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(bits));
-	if (ret)
-		pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32));
+		ret = pci_set_consistent_dma_mask(dev->pdev,
+						  DMA_BIT_MASK(bits));
+		if (ret)
+			pci_set_consistent_dma_mask(dev->pdev,
+						    DMA_BIT_MASK(32));
+	}
 
 	ret = nouveau_ttm_global_init(drm);
 	if (ret)
@@ -396,8 +401,8 @@
 		return ret;
 	}
 
-	drm->ttm.mtrr = arch_phys_wc_add(pci_resource_start(dev->pdev, 1),
-					 pci_resource_len(dev->pdev, 1));
+	drm->ttm.mtrr = arch_phys_wc_add(nv_device_resource_start(device, 1),
+					 nv_device_resource_len(device, 1));
 
 	/* GART init */
 	if (drm->agp.stat != ENABLED) {
diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c
index 471347e..fb84da3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vga.c
+++ b/drivers/gpu/drm/nouveau/nouveau_vga.c
@@ -84,6 +84,11 @@
 {
 	struct drm_device *dev = drm->dev;
 	bool runtime = false;
+
+	/* only relevant for PCI devices */
+	if (!dev->pdev)
+		return;
+
 	vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode);
 
 	if (nouveau_runtime_pm == 1)