drm/radeon: add initial support for R6xx/R7xx GPUs

This adds support for 2D/Xv acceleration in the X.org 2D driver,
to the drm. It doesn't yet provide any 3D support hooks.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 2247 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c
new file mode 100644
index 00000000000..fcb0fc164c3
--- /dev/null
+++ b/drivers/gpu/drm/radeon/r600_cp.c
@@ -0,0 +1,2247 @@
+/*
+ * Copyright 2008-2009 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *     Dave Airlie <airlied@redhat.com>
+ *     Alex Deucher <alexander.deucher@amd.com>
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "radeon_drm.h"
+#include "radeon_drv.h"
+
+#include "r600_microcode.h"
+
+# define ATI_PCIGART_PAGE_SIZE		4096	/**< PCI GART page size */
+# define ATI_PCIGART_PAGE_MASK		(~(ATI_PCIGART_PAGE_SIZE-1))
+
+#define R600_PTE_VALID     (1 << 0)
+#define R600_PTE_SYSTEM    (1 << 1)
+#define R600_PTE_SNOOPED   (1 << 2)
+#define R600_PTE_READABLE  (1 << 5)
+#define R600_PTE_WRITEABLE (1 << 6)
+
+/* MAX values used for gfx init */
+#define R6XX_MAX_SH_GPRS           256
+#define R6XX_MAX_TEMP_GPRS         16
+#define R6XX_MAX_SH_THREADS        256
+#define R6XX_MAX_SH_STACK_ENTRIES  4096
+#define R6XX_MAX_BACKENDS          8
+#define R6XX_MAX_BACKENDS_MASK     0xff
+#define R6XX_MAX_SIMDS             8
+#define R6XX_MAX_SIMDS_MASK        0xff
+#define R6XX_MAX_PIPES             8
+#define R6XX_MAX_PIPES_MASK        0xff
+
+#define R7XX_MAX_SH_GPRS           256
+#define R7XX_MAX_TEMP_GPRS         16
+#define R7XX_MAX_SH_THREADS        256
+#define R7XX_MAX_SH_STACK_ENTRIES  4096
+#define R7XX_MAX_BACKENDS          8
+#define R7XX_MAX_BACKENDS_MASK     0xff
+#define R7XX_MAX_SIMDS             16
+#define R7XX_MAX_SIMDS_MASK        0xffff
+#define R7XX_MAX_PIPES             8
+#define R7XX_MAX_PIPES_MASK        0xff
+
+static int r600_do_wait_for_fifo(drm_radeon_private_t *dev_priv, int entries)
+{
+	int i;
+
+	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
+
+	for (i = 0; i < dev_priv->usec_timeout; i++) {
+		int slots;
+		if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
+			slots = (RADEON_READ(R600_GRBM_STATUS)
+				 & R700_CMDFIFO_AVAIL_MASK);
+		else
+			slots = (RADEON_READ(R600_GRBM_STATUS)
+				 & R600_CMDFIFO_AVAIL_MASK);
+		if (slots >= entries)
+			return 0;
+		DRM_UDELAY(1);
+	}
+	DRM_INFO("wait for fifo failed status : 0x%08X 0x%08X\n",
+		 RADEON_READ(R600_GRBM_STATUS),
+		 RADEON_READ(R600_GRBM_STATUS2));
+
+	return -EBUSY;
+}
+
+static int r600_do_wait_for_idle(drm_radeon_private_t *dev_priv)
+{
+	int i, ret;
+
+	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
+
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
+		ret = r600_do_wait_for_fifo(dev_priv, 8);
+	else
+		ret = r600_do_wait_for_fifo(dev_priv, 16);
+	if (ret)
+		return ret;
+	for (i = 0; i < dev_priv->usec_timeout; i++) {
+		if (!(RADEON_READ(R600_GRBM_STATUS) & R600_GUI_ACTIVE))
+			return 0;
+		DRM_UDELAY(1);
+	}
+	DRM_INFO("wait idle failed status : 0x%08X 0x%08X\n",
+		 RADEON_READ(R600_GRBM_STATUS),
+		 RADEON_READ(R600_GRBM_STATUS2));
+
+	return -EBUSY;
+}
+
+static void r600_page_table_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
+{
+	struct drm_sg_mem *entry = dev->sg;
+	int max_pages;
+	int pages;
+	int i;
+
+	if (gart_info->bus_addr) {
+		max_pages = (gart_info->table_size / sizeof(u32));
+		pages = (entry->pages <= max_pages)
+		  ? entry->pages : max_pages;
+
+		for (i = 0; i < pages; i++) {
+			if (!entry->busaddr[i])
+				break;
+			pci_unmap_single(dev->pdev, entry->busaddr[i],
+					 PAGE_SIZE, PCI_DMA_TODEVICE);
+		}
+		if (gart_info->gart_table_location == DRM_ATI_GART_MAIN)
+			gart_info->bus_addr = 0;
+	}
+}
+
+/* R600 has page table setup */
+int r600_page_table_init(struct drm_device *dev)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+	struct drm_ati_pcigart_info *gart_info = &dev_priv->gart_info;
+	struct drm_sg_mem *entry = dev->sg;
+	int ret = 0;
+	int i, j;
+	int max_pages, pages;
+	u64 *pci_gart, page_base;
+	dma_addr_t entry_addr;
+
+	/* okay page table is available - lets rock */
+
+	/* PTEs are 64-bits */
+	pci_gart = (u64 *)gart_info->addr;
+
+	max_pages = (gart_info->table_size / sizeof(u64));
+	pages = (entry->pages <= max_pages) ? entry->pages : max_pages;
+
+	memset(pci_gart, 0, max_pages * sizeof(u64));
+
+	for (i = 0; i < pages; i++) {
+		entry->busaddr[i] = pci_map_single(dev->pdev,
+						   page_address(entry->
+								pagelist[i]),
+						   PAGE_SIZE, PCI_DMA_TODEVICE);
+		if (entry->busaddr[i] == 0) {
+			DRM_ERROR("unable to map PCIGART pages!\n");
+			r600_page_table_cleanup(dev, gart_info);
+			ret = -EINVAL;
+			goto done;
+		}
+		entry_addr = entry->busaddr[i];
+		for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
+			page_base = (u64) entry_addr & ATI_PCIGART_PAGE_MASK;
+			page_base |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
+			page_base |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
+
+			*pci_gart = page_base;
+
+			if ((i % 128) == 0)
+				DRM_DEBUG("page entry %d: 0x%016llx\n",
+				    i, (unsigned long long)page_base);
+			pci_gart++;
+			entry_addr += ATI_PCIGART_PAGE_SIZE;
+		}
+	}
+done:
+	return ret;
+}
+
+static void r600_vm_flush_gart_range(struct drm_device *dev)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+	u32 resp, countdown = 1000;
+	RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_LOW_ADDR, dev_priv->gart_vm_start >> 12);
+	RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
+	RADEON_WRITE(R600_VM_CONTEXT0_REQUEST_RESPONSE, 2);
+
+	do {
+		resp = RADEON_READ(R600_VM_CONTEXT0_REQUEST_RESPONSE);
+		countdown--;
+		DRM_UDELAY(1);
+	} while (((resp & 0xf0) == 0) && countdown);
+}
+
+static void r600_vm_init(struct drm_device *dev)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+	/* initialise the VM to use the page table we constructed up there */
+	u32 vm_c0, i;
+	u32 mc_rd_a;
+	u32 vm_l2_cntl, vm_l2_cntl3;
+	/* okay set up the PCIE aperture type thingo */
+	RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_LOW_ADDR, dev_priv->gart_vm_start >> 12);
+	RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
+	RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
+
+	/* setup MC RD a */
+	mc_rd_a = R600_MCD_L1_TLB | R600_MCD_L1_FRAG_PROC | R600_MCD_SYSTEM_ACCESS_MODE_IN_SYS |
+		R600_MCD_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU | R600_MCD_EFFECTIVE_L1_TLB_SIZE(5) |
+		R600_MCD_EFFECTIVE_L1_QUEUE_SIZE(5) | R600_MCD_WAIT_L2_QUERY;
+
+	RADEON_WRITE(R600_MCD_RD_A_CNTL, mc_rd_a);
+	RADEON_WRITE(R600_MCD_RD_B_CNTL, mc_rd_a);
+
+	RADEON_WRITE(R600_MCD_WR_A_CNTL, mc_rd_a);
+	RADEON_WRITE(R600_MCD_WR_B_CNTL, mc_rd_a);
+
+	RADEON_WRITE(R600_MCD_RD_GFX_CNTL, mc_rd_a);
+	RADEON_WRITE(R600_MCD_WR_GFX_CNTL, mc_rd_a);
+
+	RADEON_WRITE(R600_MCD_RD_SYS_CNTL, mc_rd_a);
+	RADEON_WRITE(R600_MCD_WR_SYS_CNTL, mc_rd_a);
+
+	RADEON_WRITE(R600_MCD_RD_HDP_CNTL, mc_rd_a | R600_MCD_L1_STRICT_ORDERING);
+	RADEON_WRITE(R600_MCD_WR_HDP_CNTL, mc_rd_a /*| R600_MCD_L1_STRICT_ORDERING*/);
+
+	RADEON_WRITE(R600_MCD_RD_PDMA_CNTL, mc_rd_a);
+	RADEON_WRITE(R600_MCD_WR_PDMA_CNTL, mc_rd_a);
+
+	RADEON_WRITE(R600_MCD_RD_SEM_CNTL, mc_rd_a | R600_MCD_SEMAPHORE_MODE);
+	RADEON_WRITE(R600_MCD_WR_SEM_CNTL, mc_rd_a);
+
+	vm_l2_cntl = R600_VM_L2_CACHE_EN | R600_VM_L2_FRAG_PROC | R600_VM_ENABLE_PTE_CACHE_LRU_W;
+	vm_l2_cntl |= R600_VM_L2_CNTL_QUEUE_SIZE(7);
+	RADEON_WRITE(R600_VM_L2_CNTL, vm_l2_cntl);
+
+	RADEON_WRITE(R600_VM_L2_CNTL2, 0);
+	vm_l2_cntl3 = (R600_VM_L2_CNTL3_BANK_SELECT_0(0) |
+		       R600_VM_L2_CNTL3_BANK_SELECT_1(1) |
+		       R600_VM_L2_CNTL3_CACHE_UPDATE_MODE(2));
+	RADEON_WRITE(R600_VM_L2_CNTL3, vm_l2_cntl3);
+
+	vm_c0 = R600_VM_ENABLE_CONTEXT | R600_VM_PAGE_TABLE_DEPTH_FLAT;
+
+	RADEON_WRITE(R600_VM_CONTEXT0_CNTL, vm_c0);
+
+	vm_c0 &= ~R600_VM_ENABLE_CONTEXT;
+
+	/* disable all other contexts */
+	for (i = 1; i < 8; i++)
+		RADEON_WRITE(R600_VM_CONTEXT0_CNTL + (i * 4), vm_c0);
+
+	RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, dev_priv->gart_info.bus_addr >> 12);
+	RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_START_ADDR, dev_priv->gart_vm_start >> 12);
+	RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_END_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
+
+	r600_vm_flush_gart_range(dev);
+}
+
+/* load r600 microcode */
+static void r600_cp_load_microcode(drm_radeon_private_t *dev_priv)
+{
+	int i;
+
+	r600_do_cp_stop(dev_priv);
+
+	RADEON_WRITE(R600_CP_RB_CNTL,
+		     R600_RB_NO_UPDATE |
+		     R600_RB_BLKSZ(15) |
+		     R600_RB_BUFSZ(3));
+
+	RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
+	RADEON_READ(R600_GRBM_SOFT_RESET);
+	DRM_UDELAY(15000);
+	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
+
+	RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
+
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600)) {
+		DRM_INFO("Loading R600 CP Microcode\n");
+		for (i = 0; i < PM4_UCODE_SIZE; i++) {
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     R600_cp_microcode[i][0]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     R600_cp_microcode[i][1]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     R600_cp_microcode[i][2]);
+		}
+
+		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+		DRM_INFO("Loading R600 PFP Microcode\n");
+		for (i = 0; i < PFP_UCODE_SIZE; i++)
+			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, R600_pfp_microcode[i]);
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610)) {
+		DRM_INFO("Loading RV610 CP Microcode\n");
+		for (i = 0; i < PM4_UCODE_SIZE; i++) {
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV610_cp_microcode[i][0]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV610_cp_microcode[i][1]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV610_cp_microcode[i][2]);
+		}
+
+		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+		DRM_INFO("Loading RV610 PFP Microcode\n");
+		for (i = 0; i < PFP_UCODE_SIZE; i++)
+			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV610_pfp_microcode[i]);
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630)) {
+		DRM_INFO("Loading RV630 CP Microcode\n");
+		for (i = 0; i < PM4_UCODE_SIZE; i++) {
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV630_cp_microcode[i][0]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV630_cp_microcode[i][1]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV630_cp_microcode[i][2]);
+		}
+
+		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+		DRM_INFO("Loading RV630 PFP Microcode\n");
+		for (i = 0; i < PFP_UCODE_SIZE; i++)
+			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV630_pfp_microcode[i]);
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620)) {
+		DRM_INFO("Loading RV620 CP Microcode\n");
+		for (i = 0; i < PM4_UCODE_SIZE; i++) {
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV620_cp_microcode[i][0]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV620_cp_microcode[i][1]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV620_cp_microcode[i][2]);
+		}
+
+		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+		DRM_INFO("Loading RV620 PFP Microcode\n");
+		for (i = 0; i < PFP_UCODE_SIZE; i++)
+			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV620_pfp_microcode[i]);
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV635)) {
+		DRM_INFO("Loading RV635 CP Microcode\n");
+		for (i = 0; i < PM4_UCODE_SIZE; i++) {
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV635_cp_microcode[i][0]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV635_cp_microcode[i][1]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV635_cp_microcode[i][2]);
+		}
+
+		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+		DRM_INFO("Loading RV635 PFP Microcode\n");
+		for (i = 0; i < PFP_UCODE_SIZE; i++)
+			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV635_pfp_microcode[i]);
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670)) {
+		DRM_INFO("Loading RV670 CP Microcode\n");
+		for (i = 0; i < PM4_UCODE_SIZE; i++) {
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV670_cp_microcode[i][0]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV670_cp_microcode[i][1]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV670_cp_microcode[i][2]);
+		}
+
+		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+		DRM_INFO("Loading RV670 PFP Microcode\n");
+		for (i = 0; i < PFP_UCODE_SIZE; i++)
+			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV670_pfp_microcode[i]);
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780)) {
+		DRM_INFO("Loading RS780 CP Microcode\n");
+		for (i = 0; i < PM4_UCODE_SIZE; i++) {
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV670_cp_microcode[i][0]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV670_cp_microcode[i][1]);
+			RADEON_WRITE(R600_CP_ME_RAM_DATA,
+				     RV670_cp_microcode[i][2]);
+		}
+
+		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+		DRM_INFO("Loading RS780 PFP Microcode\n");
+		for (i = 0; i < PFP_UCODE_SIZE; i++)
+			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV670_pfp_microcode[i]);
+	}
+	RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+	RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
+	RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0);
+
+}
+
+static void r700_vm_init(struct drm_device *dev)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+	/* initialise the VM to use the page table we constructed up there */
+	u32 vm_c0, i;
+	u32 mc_vm_md_l1;
+	u32 vm_l2_cntl, vm_l2_cntl3;
+	/* okay set up the PCIE aperture type thingo */
+	RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_LOW_ADDR, dev_priv->gart_vm_start >> 12);
+	RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
+	RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
+
+	mc_vm_md_l1 = R700_ENABLE_L1_TLB |
+	    R700_ENABLE_L1_FRAGMENT_PROCESSING |
+	    R700_SYSTEM_ACCESS_MODE_IN_SYS |
+	    R700_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
+	    R700_EFFECTIVE_L1_TLB_SIZE(5) |
+	    R700_EFFECTIVE_L1_QUEUE_SIZE(5);
+
+	RADEON_WRITE(R700_MC_VM_MD_L1_TLB0_CNTL, mc_vm_md_l1);
+	RADEON_WRITE(R700_MC_VM_MD_L1_TLB1_CNTL, mc_vm_md_l1);
+	RADEON_WRITE(R700_MC_VM_MD_L1_TLB2_CNTL, mc_vm_md_l1);
+	RADEON_WRITE(R700_MC_VM_MB_L1_TLB0_CNTL, mc_vm_md_l1);
+	RADEON_WRITE(R700_MC_VM_MB_L1_TLB1_CNTL, mc_vm_md_l1);
+	RADEON_WRITE(R700_MC_VM_MB_L1_TLB2_CNTL, mc_vm_md_l1);
+	RADEON_WRITE(R700_MC_VM_MB_L1_TLB3_CNTL, mc_vm_md_l1);
+
+	vm_l2_cntl = R600_VM_L2_CACHE_EN | R600_VM_L2_FRAG_PROC | R600_VM_ENABLE_PTE_CACHE_LRU_W;
+	vm_l2_cntl |= R700_VM_L2_CNTL_QUEUE_SIZE(7);
+	RADEON_WRITE(R600_VM_L2_CNTL, vm_l2_cntl);
+
+	RADEON_WRITE(R600_VM_L2_CNTL2, 0);
+	vm_l2_cntl3 = R700_VM_L2_CNTL3_BANK_SELECT(0) | R700_VM_L2_CNTL3_CACHE_UPDATE_MODE(2);
+	RADEON_WRITE(R600_VM_L2_CNTL3, vm_l2_cntl3);
+
+	vm_c0 = R600_VM_ENABLE_CONTEXT | R600_VM_PAGE_TABLE_DEPTH_FLAT;
+
+	RADEON_WRITE(R600_VM_CONTEXT0_CNTL, vm_c0);
+
+	vm_c0 &= ~R600_VM_ENABLE_CONTEXT;
+
+	/* disable all other contexts */
+	for (i = 1; i < 8; i++)
+		RADEON_WRITE(R600_VM_CONTEXT0_CNTL + (i * 4), vm_c0);
+
+	RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, dev_priv->gart_info.bus_addr >> 12);
+	RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_START_ADDR, dev_priv->gart_vm_start >> 12);
+	RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_END_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
+
+	r600_vm_flush_gart_range(dev);
+}
+
+/* load r600 microcode */
+static void r700_cp_load_microcode(drm_radeon_private_t *dev_priv)
+{
+	int i;
+
+	r600_do_cp_stop(dev_priv);
+
+	RADEON_WRITE(R600_CP_RB_CNTL,
+		     R600_RB_NO_UPDATE |
+		     (15 << 8) |
+		     (3 << 0));
+
+	RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
+	RADEON_READ(R600_GRBM_SOFT_RESET);
+	DRM_UDELAY(15000);
+	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
+
+
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)) {
+		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+		DRM_INFO("Loading RV770 PFP Microcode\n");
+		for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
+			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV770_pfp_microcode[i]);
+		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+
+		RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
+		DRM_INFO("Loading RV770 CP Microcode\n");
+		for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
+			RADEON_WRITE(R600_CP_ME_RAM_DATA, RV770_cp_microcode[i]);
+		RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
+
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV730)) {
+		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+		DRM_INFO("Loading RV730 PFP Microcode\n");
+		for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
+			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV730_pfp_microcode[i]);
+		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+
+		RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
+		DRM_INFO("Loading RV730 CP Microcode\n");
+		for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
+			RADEON_WRITE(R600_CP_ME_RAM_DATA, RV730_cp_microcode[i]);
+		RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
+
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)) {
+		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+		DRM_INFO("Loading RV710 PFP Microcode\n");
+		for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
+			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV710_pfp_microcode[i]);
+		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+
+		RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
+		DRM_INFO("Loading RV710 CP Microcode\n");
+		for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
+			RADEON_WRITE(R600_CP_ME_RAM_DATA, RV710_cp_microcode[i]);
+		RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
+
+	}
+	RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
+	RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
+	RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0);
+
+}
+
+static void r600_test_writeback(drm_radeon_private_t *dev_priv)
+{
+	u32 tmp;
+
+	/* Start with assuming that writeback doesn't work */
+	dev_priv->writeback_works = 0;
+
+	/* Writeback doesn't seem to work everywhere, test it here and possibly
+	 * enable it if it appears to work
+	 */
+	radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(1), 0);
+
+	RADEON_WRITE(R600_SCRATCH_REG1, 0xdeadbeef);
+
+	for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
+		u32 val;
+
+		val = radeon_read_ring_rptr(dev_priv, R600_SCRATCHOFF(1));
+		if (val == 0xdeadbeef)
+			break;
+		DRM_UDELAY(1);
+	}
+
+	if (tmp < dev_priv->usec_timeout) {
+		dev_priv->writeback_works = 1;
+		DRM_INFO("writeback test succeeded in %d usecs\n", tmp);
+	} else {
+		dev_priv->writeback_works = 0;
+		DRM_INFO("writeback test failed\n");
+	}
+	if (radeon_no_wb == 1) {
+		dev_priv->writeback_works = 0;
+		DRM_INFO("writeback forced off\n");
+	}
+
+	if (!dev_priv->writeback_works) {
+		/* Disable writeback to avoid unnecessary bus master transfer */
+		RADEON_WRITE(R600_CP_RB_CNTL, RADEON_READ(R600_CP_RB_CNTL) |
+			     RADEON_RB_NO_UPDATE);
+		RADEON_WRITE(R600_SCRATCH_UMSK, 0);
+	}
+}
+
+int r600_do_engine_reset(struct drm_device *dev)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+	u32 cp_ptr, cp_me_cntl, cp_rb_cntl;
+
+	DRM_INFO("Resetting GPU\n");
+
+	cp_ptr = RADEON_READ(R600_CP_RB_WPTR);
+	cp_me_cntl = RADEON_READ(R600_CP_ME_CNTL);
+	RADEON_WRITE(R600_CP_ME_CNTL, R600_CP_ME_HALT);
+
+	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0x7fff);
+	RADEON_READ(R600_GRBM_SOFT_RESET);
+	DRM_UDELAY(50);
+	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
+	RADEON_READ(R600_GRBM_SOFT_RESET);
+
+	RADEON_WRITE(R600_CP_RB_WPTR_DELAY, 0);
+	cp_rb_cntl = RADEON_READ(R600_CP_RB_CNTL);
+	RADEON_WRITE(R600_CP_RB_CNTL, R600_RB_RPTR_WR_ENA);
+
+	RADEON_WRITE(R600_CP_RB_RPTR_WR, cp_ptr);
+	RADEON_WRITE(R600_CP_RB_WPTR, cp_ptr);
+	RADEON_WRITE(R600_CP_RB_CNTL, cp_rb_cntl);
+	RADEON_WRITE(R600_CP_ME_CNTL, cp_me_cntl);
+
+	/* Reset the CP ring */
+	r600_do_cp_reset(dev_priv);
+
+	/* The CP is no longer running after an engine reset */
+	dev_priv->cp_running = 0;
+
+	/* Reset any pending vertex, indirect buffers */
+	radeon_freelist_reset(dev);
+
+	return 0;
+
+}
+
+static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
+					     u32 num_backends,
+					     u32 backend_disable_mask)
+{
+	u32 backend_map = 0;
+	u32 enabled_backends_mask;
+	u32 enabled_backends_count;
+	u32 cur_pipe;
+	u32 swizzle_pipe[R6XX_MAX_PIPES];
+	u32 cur_backend;
+	u32 i;
+
+	if (num_tile_pipes > R6XX_MAX_PIPES)
+		num_tile_pipes = R6XX_MAX_PIPES;
+	if (num_tile_pipes < 1)
+		num_tile_pipes = 1;
+	if (num_backends > R6XX_MAX_BACKENDS)
+		num_backends = R6XX_MAX_BACKENDS;
+	if (num_backends < 1)
+		num_backends = 1;
+
+	enabled_backends_mask = 0;
+	enabled_backends_count = 0;
+	for (i = 0; i < R6XX_MAX_BACKENDS; ++i) {
+		if (((backend_disable_mask >> i) & 1) == 0) {
+			enabled_backends_mask |= (1 << i);
+			++enabled_backends_count;
+		}
+		if (enabled_backends_count == num_backends)
+			break;
+	}
+
+	if (enabled_backends_count == 0) {
+		enabled_backends_mask = 1;
+		enabled_backends_count = 1;
+	}
+
+	if (enabled_backends_count != num_backends)
+		num_backends = enabled_backends_count;
+
+	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES);
+	switch (num_tile_pipes) {
+	case 1:
+		swizzle_pipe[0] = 0;
+		break;
+	case 2:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 1;
+		break;
+	case 3:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 1;
+		swizzle_pipe[2] = 2;
+		break;
+	case 4:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 1;
+		swizzle_pipe[2] = 2;
+		swizzle_pipe[3] = 3;
+		break;
+	case 5:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 1;
+		swizzle_pipe[2] = 2;
+		swizzle_pipe[3] = 3;
+		swizzle_pipe[4] = 4;
+		break;
+	case 6:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 2;
+		swizzle_pipe[2] = 4;
+		swizzle_pipe[3] = 5;
+		swizzle_pipe[4] = 1;
+		swizzle_pipe[5] = 3;
+		break;
+	case 7:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 2;
+		swizzle_pipe[2] = 4;
+		swizzle_pipe[3] = 6;
+		swizzle_pipe[4] = 1;
+		swizzle_pipe[5] = 3;
+		swizzle_pipe[6] = 5;
+		break;
+	case 8:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 2;
+		swizzle_pipe[2] = 4;
+		swizzle_pipe[3] = 6;
+		swizzle_pipe[4] = 1;
+		swizzle_pipe[5] = 3;
+		swizzle_pipe[6] = 5;
+		swizzle_pipe[7] = 7;
+		break;
+	}
+
+	cur_backend = 0;
+	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
+		while (((1 << cur_backend) & enabled_backends_mask) == 0)
+			cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
+
+		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
+
+		cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
+	}
+
+	return backend_map;
+}
+
+static int r600_count_pipe_bits(uint32_t val)
+{
+	int i, ret = 0;
+	for (i = 0; i < 32; i++) {
+		ret += val & 1;
+		val >>= 1;
+	}
+	return ret;
+}
+
+static void r600_gfx_init(struct drm_device *dev,
+			  drm_radeon_private_t *dev_priv)
+{
+	int i, j, num_qd_pipes;
+	u32 sx_debug_1;
+	u32 tc_cntl;
+	u32 arb_pop;
+	u32 num_gs_verts_per_thread;
+	u32 vgt_gs_per_es;
+	u32 gs_prim_buffer_depth = 0;
+	u32 sq_ms_fifo_sizes;
+	u32 sq_config;
+	u32 sq_gpr_resource_mgmt_1 = 0;
+	u32 sq_gpr_resource_mgmt_2 = 0;
+	u32 sq_thread_resource_mgmt = 0;
+	u32 sq_stack_resource_mgmt_1 = 0;
+	u32 sq_stack_resource_mgmt_2 = 0;
+	u32 hdp_host_path_cntl;
+	u32 backend_map;
+	u32 gb_tiling_config = 0;
+	u32 cc_rb_backend_disable = 0;
+	u32 cc_gc_shader_pipe_config = 0;
+	u32 ramcfg;
+
+	/* setup chip specs */
+	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
+	case CHIP_R600:
+		dev_priv->r600_max_pipes = 4;
+		dev_priv->r600_max_tile_pipes = 8;
+		dev_priv->r600_max_simds = 4;
+		dev_priv->r600_max_backends = 4;
+		dev_priv->r600_max_gprs = 256;
+		dev_priv->r600_max_threads = 192;
+		dev_priv->r600_max_stack_entries = 256;
+		dev_priv->r600_max_hw_contexts = 8;
+		dev_priv->r600_max_gs_threads = 16;
+		dev_priv->r600_sx_max_export_size = 128;
+		dev_priv->r600_sx_max_export_pos_size = 16;
+		dev_priv->r600_sx_max_export_smx_size = 128;
+		dev_priv->r600_sq_num_cf_insts = 2;
+		break;
+	case CHIP_RV630:
+	case CHIP_RV635:
+		dev_priv->r600_max_pipes = 2;
+		dev_priv->r600_max_tile_pipes = 2;
+		dev_priv->r600_max_simds = 3;
+		dev_priv->r600_max_backends = 1;
+		dev_priv->r600_max_gprs = 128;
+		dev_priv->r600_max_threads = 192;
+		dev_priv->r600_max_stack_entries = 128;
+		dev_priv->r600_max_hw_contexts = 8;
+		dev_priv->r600_max_gs_threads = 4;
+		dev_priv->r600_sx_max_export_size = 128;
+		dev_priv->r600_sx_max_export_pos_size = 16;
+		dev_priv->r600_sx_max_export_smx_size = 128;
+		dev_priv->r600_sq_num_cf_insts = 2;
+		break;
+	case CHIP_RV610:
+	case CHIP_RS780:
+	case CHIP_RV620:
+		dev_priv->r600_max_pipes = 1;
+		dev_priv->r600_max_tile_pipes = 1;
+		dev_priv->r600_max_simds = 2;
+		dev_priv->r600_max_backends = 1;
+		dev_priv->r600_max_gprs = 128;
+		dev_priv->r600_max_threads = 192;
+		dev_priv->r600_max_stack_entries = 128;
+		dev_priv->r600_max_hw_contexts = 4;
+		dev_priv->r600_max_gs_threads = 4;
+		dev_priv->r600_sx_max_export_size = 128;
+		dev_priv->r600_sx_max_export_pos_size = 16;
+		dev_priv->r600_sx_max_export_smx_size = 128;
+		dev_priv->r600_sq_num_cf_insts = 1;
+		break;
+	case CHIP_RV670:
+		dev_priv->r600_max_pipes = 4;
+		dev_priv->r600_max_tile_pipes = 4;
+		dev_priv->r600_max_simds = 4;
+		dev_priv->r600_max_backends = 4;
+		dev_priv->r600_max_gprs = 192;
+		dev_priv->r600_max_threads = 192;
+		dev_priv->r600_max_stack_entries = 256;
+		dev_priv->r600_max_hw_contexts = 8;
+		dev_priv->r600_max_gs_threads = 16;
+		dev_priv->r600_sx_max_export_size = 128;
+		dev_priv->r600_sx_max_export_pos_size = 16;
+		dev_priv->r600_sx_max_export_smx_size = 128;
+		dev_priv->r600_sq_num_cf_insts = 2;
+		break;
+	default:
+		break;
+	}
+
+	/* Initialize HDP */
+	j = 0;
+	for (i = 0; i < 32; i++) {
+		RADEON_WRITE((0x2c14 + j), 0x00000000);
+		RADEON_WRITE((0x2c18 + j), 0x00000000);
+		RADEON_WRITE((0x2c1c + j), 0x00000000);
+		RADEON_WRITE((0x2c20 + j), 0x00000000);
+		RADEON_WRITE((0x2c24 + j), 0x00000000);
+		j += 0x18;
+	}
+
+	RADEON_WRITE(R600_GRBM_CNTL, R600_GRBM_READ_TIMEOUT(0xff));
+
+	/* setup tiling, simd, pipe config */
+	ramcfg = RADEON_READ(R600_RAMCFG);
+
+	switch (dev_priv->r600_max_tile_pipes) {
+	case 1:
+		gb_tiling_config |= R600_PIPE_TILING(0);
+		break;
+	case 2:
+		gb_tiling_config |= R600_PIPE_TILING(1);
+		break;
+	case 4:
+		gb_tiling_config |= R600_PIPE_TILING(2);
+		break;
+	case 8:
+		gb_tiling_config |= R600_PIPE_TILING(3);
+		break;
+	default:
+		break;
+	}
+
+	gb_tiling_config |= R600_BANK_TILING((ramcfg >> R600_NOOFBANK_SHIFT) & R600_NOOFBANK_MASK);
+
+	gb_tiling_config |= R600_GROUP_SIZE(0);
+
+	if (((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK) > 3) {
+		gb_tiling_config |= R600_ROW_TILING(3);
+		gb_tiling_config |= R600_SAMPLE_SPLIT(3);
+	} else {
+		gb_tiling_config |=
+			R600_ROW_TILING(((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK));
+		gb_tiling_config |=
+			R600_SAMPLE_SPLIT(((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK));
+	}
+
+	gb_tiling_config |= R600_BANK_SWAPS(1);
+
+	backend_map = r600_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
+							dev_priv->r600_max_backends,
+							(0xff << dev_priv->r600_max_backends) & 0xff);
+	gb_tiling_config |= R600_BACKEND_MAP(backend_map);
+
+	cc_gc_shader_pipe_config =
+		R600_INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R6XX_MAX_PIPES_MASK);
+	cc_gc_shader_pipe_config |=
+		R600_INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R6XX_MAX_SIMDS_MASK);
+
+	cc_rb_backend_disable =
+		R600_BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R6XX_MAX_BACKENDS_MASK);
+
+	RADEON_WRITE(R600_GB_TILING_CONFIG,      gb_tiling_config);
+	RADEON_WRITE(R600_DCP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
+	RADEON_WRITE(R600_HDP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
+
+	RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
+	RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
+	RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
+
+	num_qd_pipes =
+		R6XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK);
+	RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
+	RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
+
+	/* set HW defaults for 3D engine */
+	RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS, (R600_ROQ_IB1_START(0x16) |
+						R600_ROQ_IB2_START(0x2b)));
+
+	RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, (R600_MEQ_END(0x40) |
+					      R600_ROQ_END(0x40)));
+
+	RADEON_WRITE(R600_TA_CNTL_AUX, (R600_DISABLE_CUBE_ANISO |
+					R600_SYNC_GRADIENT |
+					R600_SYNC_WALKER |
+					R600_SYNC_ALIGNER));
+
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670)
+		RADEON_WRITE(R600_ARB_GDEC_RD_CNTL, 0x00000021);
+
+	sx_debug_1 = RADEON_READ(R600_SX_DEBUG_1);
+	sx_debug_1 |= R600_SMX_EVENT_RELEASE;
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_R600))
+		sx_debug_1 |= R600_ENABLE_NEW_SMX_ADDRESS;
+	RADEON_WRITE(R600_SX_DEBUG_1, sx_debug_1);
+
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780))
+		RADEON_WRITE(R600_DB_DEBUG, R600_PREZ_MUST_WAIT_FOR_POSTZ_DONE);
+	else
+		RADEON_WRITE(R600_DB_DEBUG, 0);
+
+	RADEON_WRITE(R600_DB_WATERMARKS, (R600_DEPTH_FREE(4) |
+					  R600_DEPTH_FLUSH(16) |
+					  R600_DEPTH_PENDING_FREE(4) |
+					  R600_DEPTH_CACHELINE_FREE(16)));
+	RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
+	RADEON_WRITE(R600_VGT_NUM_INSTANCES, 0);
+
+	RADEON_WRITE(R600_SPI_CONFIG_CNTL, R600_GPR_WRITE_PRIORITY(0));
+	RADEON_WRITE(R600_SPI_CONFIG_CNTL_1, R600_VTX_DONE_DELAY(0));
+
+	sq_ms_fifo_sizes = RADEON_READ(R600_SQ_MS_FIFO_SIZES);
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780)) {
+		sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(0xa) |
+				    R600_FETCH_FIFO_HIWATER(0xa) |
+				    R600_DONE_FIFO_HIWATER(0xe0) |
+				    R600_ALU_UPDATE_FIFO_HIWATER(0x8));
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) ||
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630)) {
+		sq_ms_fifo_sizes &= ~R600_DONE_FIFO_HIWATER(0xff);
+		sq_ms_fifo_sizes |= R600_DONE_FIFO_HIWATER(0x4);
+	}
+	RADEON_WRITE(R600_SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
+
+	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
+	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
+	 */
+	sq_config = RADEON_READ(R600_SQ_CONFIG);
+	sq_config &= ~(R600_PS_PRIO(3) |
+		       R600_VS_PRIO(3) |
+		       R600_GS_PRIO(3) |
+		       R600_ES_PRIO(3));
+	sq_config |= (R600_DX9_CONSTS |
+		      R600_VC_ENABLE |
+		      R600_PS_PRIO(0) |
+		      R600_VS_PRIO(1) |
+		      R600_GS_PRIO(2) |
+		      R600_ES_PRIO(3));
+
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) {
+		sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(124) |
+					  R600_NUM_VS_GPRS(124) |
+					  R600_NUM_CLAUSE_TEMP_GPRS(4));
+		sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(0) |
+					  R600_NUM_ES_GPRS(0));
+		sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(136) |
+					   R600_NUM_VS_THREADS(48) |
+					   R600_NUM_GS_THREADS(4) |
+					   R600_NUM_ES_THREADS(4));
+		sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(128) |
+					    R600_NUM_VS_STACK_ENTRIES(128));
+		sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(0) |
+					    R600_NUM_ES_STACK_ENTRIES(0));
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780)) {
+		/* no vertex cache */
+		sq_config &= ~R600_VC_ENABLE;
+
+		sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
+					  R600_NUM_VS_GPRS(44) |
+					  R600_NUM_CLAUSE_TEMP_GPRS(2));
+		sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(17) |
+					  R600_NUM_ES_GPRS(17));
+		sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
+					   R600_NUM_VS_THREADS(78) |
+					   R600_NUM_GS_THREADS(4) |
+					   R600_NUM_ES_THREADS(31));
+		sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(40) |
+					    R600_NUM_VS_STACK_ENTRIES(40));
+		sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(32) |
+					    R600_NUM_ES_STACK_ENTRIES(16));
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV635)) {
+		sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
+					  R600_NUM_VS_GPRS(44) |
+					  R600_NUM_CLAUSE_TEMP_GPRS(2));
+		sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(18) |
+					  R600_NUM_ES_GPRS(18));
+		sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
+					   R600_NUM_VS_THREADS(78) |
+					   R600_NUM_GS_THREADS(4) |
+					   R600_NUM_ES_THREADS(31));
+		sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(40) |
+					    R600_NUM_VS_STACK_ENTRIES(40));
+		sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(32) |
+					    R600_NUM_ES_STACK_ENTRIES(16));
+	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670) {
+		sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
+					  R600_NUM_VS_GPRS(44) |
+					  R600_NUM_CLAUSE_TEMP_GPRS(2));
+		sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(17) |
+					  R600_NUM_ES_GPRS(17));
+		sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
+					   R600_NUM_VS_THREADS(78) |
+					   R600_NUM_GS_THREADS(4) |
+					   R600_NUM_ES_THREADS(31));
+		sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(64) |
+					    R600_NUM_VS_STACK_ENTRIES(64));
+		sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(64) |
+					    R600_NUM_ES_STACK_ENTRIES(64));
+	}
+
+	RADEON_WRITE(R600_SQ_CONFIG, sq_config);
+	RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1,  sq_gpr_resource_mgmt_1);
+	RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2,  sq_gpr_resource_mgmt_2);
+	RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
+	RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
+	RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
+
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780))
+		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_TC_ONLY));
+	else
+		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_VC_AND_TC));
+
+	RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_2S, (R600_S0_X(0xc) |
+						    R600_S0_Y(0x4) |
+						    R600_S1_X(0x4) |
+						    R600_S1_Y(0xc)));
+	RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_4S, (R600_S0_X(0xe) |
+						    R600_S0_Y(0xe) |
+						    R600_S1_X(0x2) |
+						    R600_S1_Y(0x2) |
+						    R600_S2_X(0xa) |
+						    R600_S2_Y(0x6) |
+						    R600_S3_X(0x6) |
+						    R600_S3_Y(0xa)));
+	RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD0, (R600_S0_X(0xe) |
+							R600_S0_Y(0xb) |
+							R600_S1_X(0x4) |
+							R600_S1_Y(0xc) |
+							R600_S2_X(0x1) |
+							R600_S2_Y(0x6) |
+							R600_S3_X(0xa) |
+							R600_S3_Y(0xe)));
+	RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD1, (R600_S4_X(0x6) |
+							R600_S4_Y(0x1) |
+							R600_S5_X(0x0) |
+							R600_S5_Y(0x0) |
+							R600_S6_X(0xb) |
+							R600_S6_Y(0x4) |
+							R600_S7_X(0x7) |
+							R600_S7_Y(0x8)));
+
+
+	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
+	case CHIP_R600:
+	case CHIP_RV630:
+	case CHIP_RV635:
+		gs_prim_buffer_depth = 0;
+		break;
+	case CHIP_RV610:
+	case CHIP_RS780:
+	case CHIP_RV620:
+		gs_prim_buffer_depth = 32;
+		break;
+	case CHIP_RV670:
+		gs_prim_buffer_depth = 128;
+		break;
+	default:
+		break;
+	}
+
+	num_gs_verts_per_thread = dev_priv->r600_max_pipes * 16;
+	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
+	/* Max value for this is 256 */
+	if (vgt_gs_per_es > 256)
+		vgt_gs_per_es = 256;
+
+	RADEON_WRITE(R600_VGT_ES_PER_GS, 128);
+	RADEON_WRITE(R600_VGT_GS_PER_ES, vgt_gs_per_es);
+	RADEON_WRITE(R600_VGT_GS_PER_VS, 2);
+	RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE, 16);
+
+	/* more default values. 2D/3D driver should adjust as needed */
+	RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE, 0);
+	RADEON_WRITE(R600_VGT_STRMOUT_EN, 0);
+	RADEON_WRITE(R600_SX_MISC, 0);
+	RADEON_WRITE(R600_PA_SC_MODE_CNTL, 0);
+	RADEON_WRITE(R600_PA_SC_AA_CONFIG, 0);
+	RADEON_WRITE(R600_PA_SC_LINE_STIPPLE, 0);
+	RADEON_WRITE(R600_SPI_INPUT_Z, 0);
+	RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0, R600_NUM_INTERP(2));
+	RADEON_WRITE(R600_CB_COLOR7_FRAG, 0);
+
+	/* clear render buffer base addresses */
+	RADEON_WRITE(R600_CB_COLOR0_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR1_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR2_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR3_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR4_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR5_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR6_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR7_BASE, 0);
+
+	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
+	case CHIP_RV610:
+	case CHIP_RS780:
+	case CHIP_RV620:
+		tc_cntl = R600_TC_L2_SIZE(8);
+		break;
+	case CHIP_RV630:
+	case CHIP_RV635:
+		tc_cntl = R600_TC_L2_SIZE(4);
+		break;
+	case CHIP_R600:
+		tc_cntl = R600_TC_L2_SIZE(0) | R600_L2_DISABLE_LATE_HIT;
+		break;
+	default:
+		tc_cntl = R600_TC_L2_SIZE(0);
+		break;
+	}
+
+	RADEON_WRITE(R600_TC_CNTL, tc_cntl);
+
+	hdp_host_path_cntl = RADEON_READ(R600_HDP_HOST_PATH_CNTL);
+	RADEON_WRITE(R600_HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
+
+	arb_pop = RADEON_READ(R600_ARB_POP);
+	arb_pop |= R600_ENABLE_TC128;
+	RADEON_WRITE(R600_ARB_POP, arb_pop);
+
+	RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
+	RADEON_WRITE(R600_PA_CL_ENHANCE, (R600_CLIP_VTX_REORDER_ENA |
+					  R600_NUM_CLIP_SEQ(3)));
+	RADEON_WRITE(R600_PA_SC_ENHANCE, R600_FORCE_EOV_MAX_CLK_CNT(4095));
+
+}
+
+static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
+					     u32 num_backends,
+					     u32 backend_disable_mask)
+{
+	u32 backend_map = 0;
+	u32 enabled_backends_mask;
+	u32 enabled_backends_count;
+	u32 cur_pipe;
+	u32 swizzle_pipe[R7XX_MAX_PIPES];
+	u32 cur_backend;
+	u32 i;
+
+	if (num_tile_pipes > R7XX_MAX_PIPES)
+		num_tile_pipes = R7XX_MAX_PIPES;
+	if (num_tile_pipes < 1)
+		num_tile_pipes = 1;
+	if (num_backends > R7XX_MAX_BACKENDS)
+		num_backends = R7XX_MAX_BACKENDS;
+	if (num_backends < 1)
+		num_backends = 1;
+
+	enabled_backends_mask = 0;
+	enabled_backends_count = 0;
+	for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
+		if (((backend_disable_mask >> i) & 1) == 0) {
+			enabled_backends_mask |= (1 << i);
+			++enabled_backends_count;
+		}
+		if (enabled_backends_count == num_backends)
+			break;
+	}
+
+	if (enabled_backends_count == 0) {
+		enabled_backends_mask = 1;
+		enabled_backends_count = 1;
+	}
+
+	if (enabled_backends_count != num_backends)
+		num_backends = enabled_backends_count;
+
+	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
+	switch (num_tile_pipes) {
+	case 1:
+		swizzle_pipe[0] = 0;
+		break;
+	case 2:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 1;
+		break;
+	case 3:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 2;
+		swizzle_pipe[2] = 1;
+		break;
+	case 4:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 2;
+		swizzle_pipe[2] = 3;
+		swizzle_pipe[3] = 1;
+		break;
+	case 5:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 2;
+		swizzle_pipe[2] = 4;
+		swizzle_pipe[3] = 1;
+		swizzle_pipe[4] = 3;
+		break;
+	case 6:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 2;
+		swizzle_pipe[2] = 4;
+		swizzle_pipe[3] = 5;
+		swizzle_pipe[4] = 3;
+		swizzle_pipe[5] = 1;
+		break;
+	case 7:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 2;
+		swizzle_pipe[2] = 4;
+		swizzle_pipe[3] = 6;
+		swizzle_pipe[4] = 3;
+		swizzle_pipe[5] = 1;
+		swizzle_pipe[6] = 5;
+		break;
+	case 8:
+		swizzle_pipe[0] = 0;
+		swizzle_pipe[1] = 2;
+		swizzle_pipe[2] = 4;
+		swizzle_pipe[3] = 6;
+		swizzle_pipe[4] = 3;
+		swizzle_pipe[5] = 1;
+		swizzle_pipe[6] = 7;
+		swizzle_pipe[7] = 5;
+		break;
+	}
+
+	cur_backend = 0;
+	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
+		while (((1 << cur_backend) & enabled_backends_mask) == 0)
+			cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
+
+		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
+
+		cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
+	}
+
+	return backend_map;
+}
+
+static void r700_gfx_init(struct drm_device *dev,
+			  drm_radeon_private_t *dev_priv)
+{
+	int i, j, num_qd_pipes;
+	u32 sx_debug_1;
+	u32 smx_dc_ctl0;
+	u32 num_gs_verts_per_thread;
+	u32 vgt_gs_per_es;
+	u32 gs_prim_buffer_depth = 0;
+	u32 sq_ms_fifo_sizes;
+	u32 sq_config;
+	u32 sq_thread_resource_mgmt;
+	u32 hdp_host_path_cntl;
+	u32 sq_dyn_gpr_size_simd_ab_0;
+	u32 backend_map;
+	u32 gb_tiling_config = 0;
+	u32 cc_rb_backend_disable = 0;
+	u32 cc_gc_shader_pipe_config = 0;
+	u32 mc_arb_ramcfg;
+	u32 db_debug4;
+
+	/* setup chip specs */
+	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
+	case CHIP_RV770:
+		dev_priv->r600_max_pipes = 4;
+		dev_priv->r600_max_tile_pipes = 8;
+		dev_priv->r600_max_simds = 10;
+		dev_priv->r600_max_backends = 4;
+		dev_priv->r600_max_gprs = 256;
+		dev_priv->r600_max_threads = 248;
+		dev_priv->r600_max_stack_entries = 512;
+		dev_priv->r600_max_hw_contexts = 8;
+		dev_priv->r600_max_gs_threads = 16 * 2;
+		dev_priv->r600_sx_max_export_size = 128;
+		dev_priv->r600_sx_max_export_pos_size = 16;
+		dev_priv->r600_sx_max_export_smx_size = 112;
+		dev_priv->r600_sq_num_cf_insts = 2;
+
+		dev_priv->r700_sx_num_of_sets = 7;
+		dev_priv->r700_sc_prim_fifo_size = 0xF9;
+		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
+		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
+		break;
+	case CHIP_RV730:
+		dev_priv->r600_max_pipes = 2;
+		dev_priv->r600_max_tile_pipes = 4;
+		dev_priv->r600_max_simds = 8;
+		dev_priv->r600_max_backends = 2;
+		dev_priv->r600_max_gprs = 128;
+		dev_priv->r600_max_threads = 248;
+		dev_priv->r600_max_stack_entries = 256;
+		dev_priv->r600_max_hw_contexts = 8;
+		dev_priv->r600_max_gs_threads = 16 * 2;
+		dev_priv->r600_sx_max_export_size = 256;
+		dev_priv->r600_sx_max_export_pos_size = 32;
+		dev_priv->r600_sx_max_export_smx_size = 224;
+		dev_priv->r600_sq_num_cf_insts = 2;
+
+		dev_priv->r700_sx_num_of_sets = 7;
+		dev_priv->r700_sc_prim_fifo_size = 0xf9;
+		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
+		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
+		break;
+	case CHIP_RV710:
+		dev_priv->r600_max_pipes = 2;
+		dev_priv->r600_max_tile_pipes = 2;
+		dev_priv->r600_max_simds = 2;
+		dev_priv->r600_max_backends = 1;
+		dev_priv->r600_max_gprs = 256;
+		dev_priv->r600_max_threads = 192;
+		dev_priv->r600_max_stack_entries = 256;
+		dev_priv->r600_max_hw_contexts = 4;
+		dev_priv->r600_max_gs_threads = 8 * 2;
+		dev_priv->r600_sx_max_export_size = 128;
+		dev_priv->r600_sx_max_export_pos_size = 16;
+		dev_priv->r600_sx_max_export_smx_size = 112;
+		dev_priv->r600_sq_num_cf_insts = 1;
+
+		dev_priv->r700_sx_num_of_sets = 7;
+		dev_priv->r700_sc_prim_fifo_size = 0x40;
+		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
+		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
+		break;
+	default:
+		break;
+	}
+
+	/* Initialize HDP */
+	j = 0;
+	for (i = 0; i < 32; i++) {
+		RADEON_WRITE((0x2c14 + j), 0x00000000);
+		RADEON_WRITE((0x2c18 + j), 0x00000000);
+		RADEON_WRITE((0x2c1c + j), 0x00000000);
+		RADEON_WRITE((0x2c20 + j), 0x00000000);
+		RADEON_WRITE((0x2c24 + j), 0x00000000);
+		j += 0x18;
+	}
+
+	RADEON_WRITE(R600_GRBM_CNTL, R600_GRBM_READ_TIMEOUT(0xff));
+
+	/* setup tiling, simd, pipe config */
+	mc_arb_ramcfg = RADEON_READ(R700_MC_ARB_RAMCFG);
+
+	switch (dev_priv->r600_max_tile_pipes) {
+	case 1:
+		gb_tiling_config |= R600_PIPE_TILING(0);
+		break;
+	case 2:
+		gb_tiling_config |= R600_PIPE_TILING(1);
+		break;
+	case 4:
+		gb_tiling_config |= R600_PIPE_TILING(2);
+		break;
+	case 8:
+		gb_tiling_config |= R600_PIPE_TILING(3);
+		break;
+	default:
+		break;
+	}
+
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)
+		gb_tiling_config |= R600_BANK_TILING(1);
+	else
+		gb_tiling_config |= R600_BANK_TILING((mc_arb_ramcfg >> R700_NOOFBANK_SHIFT) & R700_NOOFBANK_MASK);
+
+	gb_tiling_config |= R600_GROUP_SIZE(0);
+
+	if (((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK) > 3) {
+		gb_tiling_config |= R600_ROW_TILING(3);
+		gb_tiling_config |= R600_SAMPLE_SPLIT(3);
+	} else {
+		gb_tiling_config |=
+			R600_ROW_TILING(((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK));
+		gb_tiling_config |=
+			R600_SAMPLE_SPLIT(((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK));
+	}
+
+	gb_tiling_config |= R600_BANK_SWAPS(1);
+
+	backend_map = r700_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
+							dev_priv->r600_max_backends,
+							(0xff << dev_priv->r600_max_backends) & 0xff);
+	gb_tiling_config |= R600_BACKEND_MAP(backend_map);
+
+	cc_gc_shader_pipe_config =
+		R600_INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R7XX_MAX_PIPES_MASK);
+	cc_gc_shader_pipe_config |=
+		R600_INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R7XX_MAX_SIMDS_MASK);
+
+	cc_rb_backend_disable =
+		R600_BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R7XX_MAX_BACKENDS_MASK);
+
+	RADEON_WRITE(R600_GB_TILING_CONFIG,      gb_tiling_config);
+	RADEON_WRITE(R600_DCP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
+	RADEON_WRITE(R600_HDP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
+
+	RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
+	RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
+	RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
+
+	RADEON_WRITE(R700_CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
+	RADEON_WRITE(R700_CGTS_SYS_TCC_DISABLE, 0);
+	RADEON_WRITE(R700_CGTS_TCC_DISABLE, 0);
+	RADEON_WRITE(R700_CGTS_USER_SYS_TCC_DISABLE, 0);
+	RADEON_WRITE(R700_CGTS_USER_TCC_DISABLE, 0);
+
+	num_qd_pipes =
+		R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK);
+	RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
+	RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
+
+	/* set HW defaults for 3D engine */
+	RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS, (R600_ROQ_IB1_START(0x16) |
+						R600_ROQ_IB2_START(0x2b)));
+
+	RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, R700_STQ_SPLIT(0x30));
+
+	RADEON_WRITE(R600_TA_CNTL_AUX, (R600_DISABLE_CUBE_ANISO |
+					R600_SYNC_GRADIENT |
+					R600_SYNC_WALKER |
+					R600_SYNC_ALIGNER));
+
+	sx_debug_1 = RADEON_READ(R700_SX_DEBUG_1);
+	sx_debug_1 |= R700_ENABLE_NEW_SMX_ADDRESS;
+	RADEON_WRITE(R700_SX_DEBUG_1, sx_debug_1);
+
+	smx_dc_ctl0 = RADEON_READ(R600_SMX_DC_CTL0);
+	smx_dc_ctl0 &= ~R700_CACHE_DEPTH(0x1ff);
+	smx_dc_ctl0 |= R700_CACHE_DEPTH((dev_priv->r700_sx_num_of_sets * 64) - 1);
+	RADEON_WRITE(R600_SMX_DC_CTL0, smx_dc_ctl0);
+
+	RADEON_WRITE(R700_SMX_EVENT_CTL, (R700_ES_FLUSH_CTL(4) |
+					  R700_GS_FLUSH_CTL(4) |
+					  R700_ACK_FLUSH_CTL(3) |
+					  R700_SYNC_FLUSH_CTL));
+
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)
+		RADEON_WRITE(R700_DB_DEBUG3, R700_DB_CLK_OFF_DELAY(0x1f));
+	else {
+		db_debug4 = RADEON_READ(RV700_DB_DEBUG4);
+		db_debug4 |= RV700_DISABLE_TILE_COVERED_FOR_PS_ITER;
+		RADEON_WRITE(RV700_DB_DEBUG4, db_debug4);
+	}
+
+	RADEON_WRITE(R600_SX_EXPORT_BUFFER_SIZES, (R600_COLOR_BUFFER_SIZE((dev_priv->r600_sx_max_export_size / 4) - 1) |
+						   R600_POSITION_BUFFER_SIZE((dev_priv->r600_sx_max_export_pos_size / 4) - 1) |
+						   R600_SMX_BUFFER_SIZE((dev_priv->r600_sx_max_export_smx_size / 4) - 1)));
+
+	RADEON_WRITE(R700_PA_SC_FIFO_SIZE_R7XX, (R700_SC_PRIM_FIFO_SIZE(dev_priv->r700_sc_prim_fifo_size) |
+						 R700_SC_HIZ_TILE_FIFO_SIZE(dev_priv->r700_sc_hiz_tile_fifo_size) |
+						 R700_SC_EARLYZ_TILE_FIFO_SIZE(dev_priv->r700_sc_earlyz_tile_fifo_fize)));
+
+	RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
+
+	RADEON_WRITE(R600_VGT_NUM_INSTANCES, 1);
+
+	RADEON_WRITE(R600_SPI_CONFIG_CNTL, R600_GPR_WRITE_PRIORITY(0));
+
+	RADEON_WRITE(R600_SPI_CONFIG_CNTL_1, R600_VTX_DONE_DELAY(4));
+
+	RADEON_WRITE(R600_CP_PERFMON_CNTL, 0);
+
+	sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(16 * dev_priv->r600_sq_num_cf_insts) |
+			    R600_DONE_FIFO_HIWATER(0xe0) |
+			    R600_ALU_UPDATE_FIFO_HIWATER(0x8));
+	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
+	case CHIP_RV770:
+		sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x1);
+		break;
+	case CHIP_RV730:
+	case CHIP_RV710:
+	default:
+		sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x4);
+		break;
+	}
+	RADEON_WRITE(R600_SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
+
+	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
+	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
+	 */
+	sq_config = RADEON_READ(R600_SQ_CONFIG);
+	sq_config &= ~(R600_PS_PRIO(3) |
+		       R600_VS_PRIO(3) |
+		       R600_GS_PRIO(3) |
+		       R600_ES_PRIO(3));
+	sq_config |= (R600_DX9_CONSTS |
+		      R600_VC_ENABLE |
+		      R600_EXPORT_SRC_C |
+		      R600_PS_PRIO(0) |
+		      R600_VS_PRIO(1) |
+		      R600_GS_PRIO(2) |
+		      R600_ES_PRIO(3));
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)
+		/* no vertex cache */
+		sq_config &= ~R600_VC_ENABLE;
+
+	RADEON_WRITE(R600_SQ_CONFIG, sq_config);
+
+	RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1,  (R600_NUM_PS_GPRS((dev_priv->r600_max_gprs * 24)/64) |
+						    R600_NUM_VS_GPRS((dev_priv->r600_max_gprs * 24)/64) |
+						    R600_NUM_CLAUSE_TEMP_GPRS(((dev_priv->r600_max_gprs * 24)/64)/2)));
+
+	RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2,  (R600_NUM_GS_GPRS((dev_priv->r600_max_gprs * 7)/64) |
+						    R600_NUM_ES_GPRS((dev_priv->r600_max_gprs * 7)/64)));
+
+	sq_thread_resource_mgmt = (R600_NUM_PS_THREADS((dev_priv->r600_max_threads * 4)/8) |
+				   R600_NUM_VS_THREADS((dev_priv->r600_max_threads * 2)/8) |
+				   R600_NUM_ES_THREADS((dev_priv->r600_max_threads * 1)/8));
+	if (((dev_priv->r600_max_threads * 1) / 8) > dev_priv->r600_max_gs_threads)
+		sq_thread_resource_mgmt |= R600_NUM_GS_THREADS(dev_priv->r600_max_gs_threads);
+	else
+		sq_thread_resource_mgmt |= R600_NUM_GS_THREADS((dev_priv->r600_max_gs_threads * 1)/8);
+	RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
+
+	RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1, (R600_NUM_PS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4) |
+						     R600_NUM_VS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4)));
+
+	RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2, (R600_NUM_GS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4) |
+						     R600_NUM_ES_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4)));
+
+	sq_dyn_gpr_size_simd_ab_0 = (R700_SIMDA_RING0((dev_priv->r600_max_gprs * 38)/64) |
+				     R700_SIMDA_RING1((dev_priv->r600_max_gprs * 38)/64) |
+				     R700_SIMDB_RING0((dev_priv->r600_max_gprs * 38)/64) |
+				     R700_SIMDB_RING1((dev_priv->r600_max_gprs * 38)/64));
+
+	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
+	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
+	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
+	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
+	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
+	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
+	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
+	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
+
+	RADEON_WRITE(R700_PA_SC_FORCE_EOV_MAX_CNTS, (R700_FORCE_EOV_MAX_CLK_CNT(4095) |
+						     R700_FORCE_EOV_MAX_REZ_CNT(255)));
+
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)
+		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, (R600_CACHE_INVALIDATION(R600_TC_ONLY) |
+							   R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO)));
+	else
+		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, (R600_CACHE_INVALIDATION(R600_VC_AND_TC) |
+							   R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO)));
+
+	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
+	case CHIP_RV770:
+	case CHIP_RV730:
+		gs_prim_buffer_depth = 384;
+		break;
+	case CHIP_RV710:
+		gs_prim_buffer_depth = 128;
+		break;
+	default:
+		break;
+	}
+
+	num_gs_verts_per_thread = dev_priv->r600_max_pipes * 16;
+	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
+	/* Max value for this is 256 */
+	if (vgt_gs_per_es > 256)
+		vgt_gs_per_es = 256;
+
+	RADEON_WRITE(R600_VGT_ES_PER_GS, 128);
+	RADEON_WRITE(R600_VGT_GS_PER_ES, vgt_gs_per_es);
+	RADEON_WRITE(R600_VGT_GS_PER_VS, 2);
+
+	/* more default values. 2D/3D driver should adjust as needed */
+	RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE, 16);
+	RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE, 0);
+	RADEON_WRITE(R600_VGT_STRMOUT_EN, 0);
+	RADEON_WRITE(R600_SX_MISC, 0);
+	RADEON_WRITE(R600_PA_SC_MODE_CNTL, 0);
+	RADEON_WRITE(R700_PA_SC_EDGERULE, 0xaaaaaaaa);
+	RADEON_WRITE(R600_PA_SC_AA_CONFIG, 0);
+	RADEON_WRITE(R600_PA_SC_CLIPRECT_RULE, 0xffff);
+	RADEON_WRITE(R600_PA_SC_LINE_STIPPLE, 0);
+	RADEON_WRITE(R600_SPI_INPUT_Z, 0);
+	RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0, R600_NUM_INTERP(2));
+	RADEON_WRITE(R600_CB_COLOR7_FRAG, 0);
+
+	/* clear render buffer base addresses */
+	RADEON_WRITE(R600_CB_COLOR0_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR1_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR2_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR3_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR4_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR5_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR6_BASE, 0);
+	RADEON_WRITE(R600_CB_COLOR7_BASE, 0);
+
+	RADEON_WRITE(R700_TCP_CNTL, 0);
+
+	hdp_host_path_cntl = RADEON_READ(R600_HDP_HOST_PATH_CNTL);
+	RADEON_WRITE(R600_HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
+
+	RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
+
+	RADEON_WRITE(R600_PA_CL_ENHANCE, (R600_CLIP_VTX_REORDER_ENA |
+					  R600_NUM_CLIP_SEQ(3)));
+
+}
+
+static void r600_cp_init_ring_buffer(struct drm_device *dev,
+				       drm_radeon_private_t *dev_priv,
+				       struct drm_file *file_priv)
+{
+	struct drm_radeon_master_private *master_priv;
+	u32 ring_start;
+
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
+		r700_gfx_init(dev, dev_priv);
+	else
+		r600_gfx_init(dev, dev_priv);
+
+	RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
+	RADEON_READ(R600_GRBM_SOFT_RESET);
+	DRM_UDELAY(15000);
+	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
+
+
+	/* Set ring buffer size */
+#ifdef __BIG_ENDIAN
+	RADEON_WRITE(R600_CP_RB_CNTL,
+		     RADEON_BUF_SWAP_32BIT |
+		     RADEON_RB_NO_UPDATE |
+		     (dev_priv->ring.rptr_update_l2qw << 8) |
+		     dev_priv->ring.size_l2qw);
+#else
+	RADEON_WRITE(R600_CP_RB_CNTL,
+		     RADEON_RB_NO_UPDATE |
+		     (dev_priv->ring.rptr_update_l2qw << 8) |
+		     dev_priv->ring.size_l2qw);
+#endif
+
+	RADEON_WRITE(R600_CP_SEM_WAIT_TIMER, 0x4);
+
+	/* Set the write pointer delay */
+	RADEON_WRITE(R600_CP_RB_WPTR_DELAY, 0);
+
+#ifdef __BIG_ENDIAN
+	RADEON_WRITE(R600_CP_RB_CNTL,
+		     RADEON_BUF_SWAP_32BIT |
+		     RADEON_RB_NO_UPDATE |
+		     RADEON_RB_RPTR_WR_ENA |
+		     (dev_priv->ring.rptr_update_l2qw << 8) |
+		     dev_priv->ring.size_l2qw);
+#else
+	RADEON_WRITE(R600_CP_RB_CNTL,
+		     RADEON_RB_NO_UPDATE |
+		     RADEON_RB_RPTR_WR_ENA |
+		     (dev_priv->ring.rptr_update_l2qw << 8) |
+		     dev_priv->ring.size_l2qw);
+#endif
+
+	/* Initialize the ring buffer's read and write pointers */
+	RADEON_WRITE(R600_CP_RB_RPTR_WR, 0);
+	RADEON_WRITE(R600_CP_RB_WPTR, 0);
+	SET_RING_HEAD(dev_priv, 0);
+	dev_priv->ring.tail = 0;
+
+#if __OS_HAS_AGP
+	if (dev_priv->flags & RADEON_IS_AGP) {
+		/* XXX */
+		RADEON_WRITE(R600_CP_RB_RPTR_ADDR,
+			     (dev_priv->ring_rptr->offset
+			     - dev->agp->base + dev_priv->gart_vm_start) >> 8);
+		RADEON_WRITE(R600_CP_RB_RPTR_ADDR_HI, 0);
+	} else
+#endif
+	{
+		struct drm_sg_mem *entry = dev->sg;
+		unsigned long tmp_ofs, page_ofs;
+
+		tmp_ofs = dev_priv->ring_rptr->offset -
+			  (unsigned long)dev->sg->virtual;
+		page_ofs = tmp_ofs >> PAGE_SHIFT;
+
+		RADEON_WRITE(R600_CP_RB_RPTR_ADDR, entry->busaddr[page_ofs] >> 8);
+		RADEON_WRITE(R600_CP_RB_RPTR_ADDR_HI, 0);
+		DRM_DEBUG("ring rptr: offset=0x%08lx handle=0x%08lx\n",
+			  (unsigned long)entry->busaddr[page_ofs],
+			  entry->handle + tmp_ofs);
+	}
+
+#ifdef __BIG_ENDIAN
+	RADEON_WRITE(R600_CP_RB_CNTL,
+		     RADEON_BUF_SWAP_32BIT |
+		     (dev_priv->ring.rptr_update_l2qw << 8) |
+		     dev_priv->ring.size_l2qw);
+#else
+	RADEON_WRITE(R600_CP_RB_CNTL,
+		     (dev_priv->ring.rptr_update_l2qw << 8) |
+		     dev_priv->ring.size_l2qw);
+#endif
+
+#if __OS_HAS_AGP
+	if (dev_priv->flags & RADEON_IS_AGP) {
+		/* XXX */
+		radeon_write_agp_base(dev_priv, dev->agp->base);
+
+		/* XXX */
+		radeon_write_agp_location(dev_priv,
+			     (((dev_priv->gart_vm_start - 1 +
+				dev_priv->gart_size) & 0xffff0000) |
+			      (dev_priv->gart_vm_start >> 16)));
+
+		ring_start = (dev_priv->cp_ring->offset
+			      - dev->agp->base
+			      + dev_priv->gart_vm_start);
+	} else
+#endif
+		ring_start = (dev_priv->cp_ring->offset
+			      - (unsigned long)dev->sg->virtual
+			      + dev_priv->gart_vm_start);
+
+	RADEON_WRITE(R600_CP_RB_BASE, ring_start >> 8);
+
+	RADEON_WRITE(R600_CP_ME_CNTL, 0xff);
+
+	RADEON_WRITE(R600_CP_DEBUG, (1 << 27) | (1 << 28));
+
+	/* Start with assuming that writeback doesn't work */
+	dev_priv->writeback_works = 0;
+
+	/* Initialize the scratch register pointer.  This will cause
+	 * the scratch register values to be written out to memory
+	 * whenever they are updated.
+	 *
+	 * We simply put this behind the ring read pointer, this works
+	 * with PCI GART as well as (whatever kind of) AGP GART
+	 */
+	RADEON_WRITE(R600_SCRATCH_ADDR, ((RADEON_READ(R600_CP_RB_RPTR_ADDR) << 8)
+					 + R600_SCRATCH_REG_OFFSET) >> 8);
+
+	RADEON_WRITE(R600_SCRATCH_UMSK, 0x7);
+
+	/* Turn on bus mastering */
+	radeon_enable_bm(dev_priv);
+
+	radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(0), 0);
+	RADEON_WRITE(R600_LAST_FRAME_REG, 0);
+
+	radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(1), 0);
+	RADEON_WRITE(R600_LAST_DISPATCH_REG, 0);
+
+	radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(2), 0);
+	RADEON_WRITE(R600_LAST_CLEAR_REG, 0);
+
+	/* reset sarea copies of these */
+	master_priv = file_priv->master->driver_priv;
+	if (master_priv->sarea_priv) {
+		master_priv->sarea_priv->last_frame = 0;
+		master_priv->sarea_priv->last_dispatch = 0;
+		master_priv->sarea_priv->last_clear = 0;
+	}
+
+	r600_do_wait_for_idle(dev_priv);
+
+}
+
+int r600_do_cleanup_cp(struct drm_device *dev)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+	DRM_DEBUG("\n");
+
+	/* Make sure interrupts are disabled here because the uninstall ioctl
+	 * may not have been called from userspace and after dev_private
+	 * is freed, it's too late.
+	 */
+	if (dev->irq_enabled)
+		drm_irq_uninstall(dev);
+
+#if __OS_HAS_AGP
+	if (dev_priv->flags & RADEON_IS_AGP) {
+		if (dev_priv->cp_ring != NULL) {
+			drm_core_ioremapfree(dev_priv->cp_ring, dev);
+			dev_priv->cp_ring = NULL;
+		}
+		if (dev_priv->ring_rptr != NULL) {
+			drm_core_ioremapfree(dev_priv->ring_rptr, dev);
+			dev_priv->ring_rptr = NULL;
+		}
+		if (dev->agp_buffer_map != NULL) {
+			drm_core_ioremapfree(dev->agp_buffer_map, dev);
+			dev->agp_buffer_map = NULL;
+		}
+	} else
+#endif
+	{
+
+		if (dev_priv->gart_info.bus_addr)
+			r600_page_table_cleanup(dev, &dev_priv->gart_info);
+
+		if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB) {
+			drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev);
+			dev_priv->gart_info.addr = 0;
+		}
+	}
+	/* only clear to the start of flags */
+	memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
+
+	return 0;
+}
+
+int r600_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
+		    struct drm_file *file_priv)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+	struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
+
+	DRM_DEBUG("\n");
+
+	/* if we require new memory map but we don't have it fail */
+	if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap) {
+		DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
+		r600_do_cleanup_cp(dev);
+		return -EINVAL;
+	}
+
+	if (init->is_pci && (dev_priv->flags & RADEON_IS_AGP)) {
+		DRM_DEBUG("Forcing AGP card to PCI mode\n");
+		dev_priv->flags &= ~RADEON_IS_AGP;
+		/* The writeback test succeeds, but when writeback is enabled,
+		 * the ring buffer read ptr update fails after first 128 bytes.
+		 */
+		radeon_no_wb = 1;
+	} else if (!(dev_priv->flags & (RADEON_IS_AGP | RADEON_IS_PCI | RADEON_IS_PCIE))
+		 && !init->is_pci) {
+		DRM_DEBUG("Restoring AGP flag\n");
+		dev_priv->flags |= RADEON_IS_AGP;
+	}
+
+	dev_priv->usec_timeout = init->usec_timeout;
+	if (dev_priv->usec_timeout < 1 ||
+	    dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
+		DRM_DEBUG("TIMEOUT problem!\n");
+		r600_do_cleanup_cp(dev);
+		return -EINVAL;
+	}
+
+	/* Enable vblank on CRTC1 for older X servers
+	 */
+	dev_priv->vblank_crtc = DRM_RADEON_VBLANK_CRTC1;
+
+	dev_priv->cp_mode = init->cp_mode;
+
+	/* We don't support anything other than bus-mastering ring mode,
+	 * but the ring can be in either AGP or PCI space for the ring
+	 * read pointer.
+	 */
+	if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
+	    (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
+		DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
+		r600_do_cleanup_cp(dev);
+		return -EINVAL;
+	}
+
+	switch (init->fb_bpp) {
+	case 16:
+		dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
+		break;
+	case 32:
+	default:
+		dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
+		break;
+	}
+	dev_priv->front_offset = init->front_offset;
+	dev_priv->front_pitch = init->front_pitch;
+	dev_priv->back_offset = init->back_offset;
+	dev_priv->back_pitch = init->back_pitch;
+
+	dev_priv->ring_offset = init->ring_offset;
+	dev_priv->ring_rptr_offset = init->ring_rptr_offset;
+	dev_priv->buffers_offset = init->buffers_offset;
+	dev_priv->gart_textures_offset = init->gart_textures_offset;
+
+	master_priv->sarea = drm_getsarea(dev);
+	if (!master_priv->sarea) {
+		DRM_ERROR("could not find sarea!\n");
+		r600_do_cleanup_cp(dev);
+		return -EINVAL;
+	}
+
+	dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
+	if (!dev_priv->cp_ring) {
+		DRM_ERROR("could not find cp ring region!\n");
+		r600_do_cleanup_cp(dev);
+		return -EINVAL;
+	}
+	dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
+	if (!dev_priv->ring_rptr) {
+		DRM_ERROR("could not find ring read pointer!\n");
+		r600_do_cleanup_cp(dev);
+		return -EINVAL;
+	}
+	dev->agp_buffer_token = init->buffers_offset;
+	dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
+	if (!dev->agp_buffer_map) {
+		DRM_ERROR("could not find dma buffer region!\n");
+		r600_do_cleanup_cp(dev);
+		return -EINVAL;
+	}
+
+	if (init->gart_textures_offset) {
+		dev_priv->gart_textures =
+		    drm_core_findmap(dev, init->gart_textures_offset);
+		if (!dev_priv->gart_textures) {
+			DRM_ERROR("could not find GART texture region!\n");
+			r600_do_cleanup_cp(dev);
+			return -EINVAL;
+		}
+	}
+
+#if __OS_HAS_AGP
+	/* XXX */
+	if (dev_priv->flags & RADEON_IS_AGP) {
+		drm_core_ioremap(dev_priv->cp_ring, dev);
+		drm_core_ioremap(dev_priv->ring_rptr, dev);
+		drm_core_ioremap(dev->agp_buffer_map, dev);
+		if (!dev_priv->cp_ring->handle ||
+		    !dev_priv->ring_rptr->handle ||
+		    !dev->agp_buffer_map->handle) {
+			DRM_ERROR("could not find ioremap agp regions!\n");
+			r600_do_cleanup_cp(dev);
+			return -EINVAL;
+		}
+	} else
+#endif
+	{
+		dev_priv->cp_ring->handle = (void *)dev_priv->cp_ring->offset;
+		dev_priv->ring_rptr->handle =
+		    (void *)dev_priv->ring_rptr->offset;
+		dev->agp_buffer_map->handle =
+		    (void *)dev->agp_buffer_map->offset;
+
+		DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
+			  dev_priv->cp_ring->handle);
+		DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
+			  dev_priv->ring_rptr->handle);
+		DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
+			  dev->agp_buffer_map->handle);
+	}
+
+	dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffff) << 24;
+	dev_priv->fb_size =
+		(((radeon_read_fb_location(dev_priv) & 0xffff0000u) << 8) + 0x1000000)
+		- dev_priv->fb_location;
+
+	dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
+					((dev_priv->front_offset
+					  + dev_priv->fb_location) >> 10));
+
+	dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
+				       ((dev_priv->back_offset
+					 + dev_priv->fb_location) >> 10));
+
+	dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
+					((dev_priv->depth_offset
+					  + dev_priv->fb_location) >> 10));
+
+	dev_priv->gart_size = init->gart_size;
+
+	/* New let's set the memory map ... */
+	if (dev_priv->new_memmap) {
+		u32 base = 0;
+
+		DRM_INFO("Setting GART location based on new memory map\n");
+
+		/* If using AGP, try to locate the AGP aperture at the same
+		 * location in the card and on the bus, though we have to
+		 * align it down.
+		 */
+#if __OS_HAS_AGP
+		/* XXX */
+		if (dev_priv->flags & RADEON_IS_AGP) {
+			base = dev->agp->base;
+			/* Check if valid */
+			if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location &&
+			    base < (dev_priv->fb_location + dev_priv->fb_size - 1)) {
+				DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
+					 dev->agp->base);
+				base = 0;
+			}
+		}
+#endif
+		/* If not or if AGP is at 0 (Macs), try to put it elsewhere */
+		if (base == 0) {
+			base = dev_priv->fb_location + dev_priv->fb_size;
+			if (base < dev_priv->fb_location ||
+			    ((base + dev_priv->gart_size) & 0xfffffffful) < base)
+				base = dev_priv->fb_location
+					- dev_priv->gart_size;
+		}
+		dev_priv->gart_vm_start = base & 0xffc00000u;
+		if (dev_priv->gart_vm_start != base)
+			DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
+				 base, dev_priv->gart_vm_start);
+	}
+
+#if __OS_HAS_AGP
+	/* XXX */
+	if (dev_priv->flags & RADEON_IS_AGP)
+		dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
+						 - dev->agp->base
+						 + dev_priv->gart_vm_start);
+	else
+#endif
+		dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
+						 - (unsigned long)dev->sg->virtual
+						 + dev_priv->gart_vm_start);
+
+	DRM_DEBUG("fb 0x%08x size %d\n",
+		  (unsigned int) dev_priv->fb_location,
+		  (unsigned int) dev_priv->fb_size);
+	DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
+	DRM_DEBUG("dev_priv->gart_vm_start 0x%08x\n",
+		  (unsigned int) dev_priv->gart_vm_start);
+	DRM_DEBUG("dev_priv->gart_buffers_offset 0x%08lx\n",
+		  dev_priv->gart_buffers_offset);
+
+	dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
+	dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle
+			      + init->ring_size / sizeof(u32));
+	dev_priv->ring.size = init->ring_size;
+	dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
+
+	dev_priv->ring.rptr_update = /* init->rptr_update */ 4096;
+	dev_priv->ring.rptr_update_l2qw = drm_order(/* init->rptr_update */ 4096 / 8);
+
+	dev_priv->ring.fetch_size = /* init->fetch_size */ 32;
+	dev_priv->ring.fetch_size_l2ow = drm_order(/* init->fetch_size */ 32 / 16);
+
+	dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
+
+	dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
+
+#if __OS_HAS_AGP
+	if (dev_priv->flags & RADEON_IS_AGP) {
+		/* XXX turn off pcie gart */
+	} else
+#endif
+	{
+		dev_priv->gart_info.table_mask = DMA_BIT_MASK(32);
+		/* if we have an offset set from userspace */
+		if (!dev_priv->pcigart_offset_set) {
+			DRM_ERROR("Need gart offset from userspace\n");
+			r600_do_cleanup_cp(dev);
+			return -EINVAL;
+		}
+
+		DRM_DEBUG("Using gart offset 0x%08lx\n", dev_priv->pcigart_offset);
+
+		dev_priv->gart_info.bus_addr =
+			dev_priv->pcigart_offset + dev_priv->fb_location;
+		dev_priv->gart_info.mapping.offset =
+			dev_priv->pcigart_offset + dev_priv->fb_aper_offset;
+		dev_priv->gart_info.mapping.size =
+			dev_priv->gart_info.table_size;
+
+		drm_core_ioremap_wc(&dev_priv->gart_info.mapping, dev);
+		if (!dev_priv->gart_info.mapping.handle) {
+			DRM_ERROR("ioremap failed.\n");
+			r600_do_cleanup_cp(dev);
+			return -EINVAL;
+		}
+
+		dev_priv->gart_info.addr =
+			dev_priv->gart_info.mapping.handle;
+
+		DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
+			  dev_priv->gart_info.addr,
+			  dev_priv->pcigart_offset);
+
+		if (r600_page_table_init(dev)) {
+			DRM_ERROR("Failed to init GART table\n");
+			r600_do_cleanup_cp(dev);
+			return -EINVAL;
+		}
+
+		if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
+			r700_vm_init(dev);
+		else
+			r600_vm_init(dev);
+	}
+
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
+		r700_cp_load_microcode(dev_priv);
+	else
+		r600_cp_load_microcode(dev_priv);
+
+	r600_cp_init_ring_buffer(dev, dev_priv, file_priv);
+
+	dev_priv->last_buf = 0;
+
+	r600_do_engine_reset(dev);
+	r600_test_writeback(dev_priv);
+
+	return 0;
+}
+
+int r600_do_resume_cp(struct drm_device *dev, struct drm_file *file_priv)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+
+	DRM_DEBUG("\n");
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)) {
+		r700_vm_init(dev);
+		r700_cp_load_microcode(dev_priv);
+	} else {
+		r600_vm_init(dev);
+		r600_cp_load_microcode(dev_priv);
+	}
+	r600_cp_init_ring_buffer(dev, dev_priv, file_priv);
+	r600_do_engine_reset(dev);
+
+	return 0;
+}
+
+/* Wait for the CP to go idle.
+ */
+int r600_do_cp_idle(drm_radeon_private_t *dev_priv)
+{
+	RING_LOCALS;
+	DRM_DEBUG("\n");
+
+	BEGIN_RING(5);
+	OUT_RING(CP_PACKET3(R600_IT_EVENT_WRITE, 0));
+	OUT_RING(R600_CACHE_FLUSH_AND_INV_EVENT);
+	/* wait for 3D idle clean */
+	OUT_RING(CP_PACKET3(R600_IT_SET_CONFIG_REG, 1));
+	OUT_RING((R600_WAIT_UNTIL - R600_SET_CONFIG_REG_OFFSET) >> 2);
+	OUT_RING(RADEON_WAIT_3D_IDLE | RADEON_WAIT_3D_IDLECLEAN);
+
+	ADVANCE_RING();
+	COMMIT_RING();
+
+	return r600_do_wait_for_idle(dev_priv);
+}
+
+/* Start the Command Processor.
+ */
+void r600_do_cp_start(drm_radeon_private_t *dev_priv)
+{
+	u32 cp_me;
+	RING_LOCALS;
+	DRM_DEBUG("\n");
+
+	BEGIN_RING(7);
+	OUT_RING(CP_PACKET3(R600_IT_ME_INITIALIZE, 5));
+	OUT_RING(0x00000001);
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_RV770))
+		OUT_RING(0x00000003);
+	else
+		OUT_RING(0x00000000);
+	OUT_RING((dev_priv->r600_max_hw_contexts - 1));
+	OUT_RING(R600_ME_INITIALIZE_DEVICE_ID(1));
+	OUT_RING(0x00000000);
+	OUT_RING(0x00000000);
+	ADVANCE_RING();
+	COMMIT_RING();
+
+	/* set the mux and reset the halt bit */
+	cp_me = 0xff;
+	RADEON_WRITE(R600_CP_ME_CNTL, cp_me);
+
+	dev_priv->cp_running = 1;
+
+}
+
+void r600_do_cp_reset(drm_radeon_private_t *dev_priv)
+{
+	u32 cur_read_ptr;
+	DRM_DEBUG("\n");
+
+	cur_read_ptr = RADEON_READ(R600_CP_RB_RPTR);
+	RADEON_WRITE(R600_CP_RB_WPTR, cur_read_ptr);
+	SET_RING_HEAD(dev_priv, cur_read_ptr);
+	dev_priv->ring.tail = cur_read_ptr;
+}
+
+void r600_do_cp_stop(drm_radeon_private_t *dev_priv)
+{
+	uint32_t cp_me;
+
+	DRM_DEBUG("\n");
+
+	cp_me = 0xff | R600_CP_ME_HALT;
+
+	RADEON_WRITE(R600_CP_ME_CNTL, cp_me);
+
+	dev_priv->cp_running = 0;
+}
+
+int r600_cp_dispatch_indirect(struct drm_device *dev,
+			      struct drm_buf *buf, int start, int end)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+	RING_LOCALS;
+
+	if (start != end) {
+		unsigned long offset = (dev_priv->gart_buffers_offset
+					+ buf->offset + start);
+		int dwords = (end - start + 3) / sizeof(u32);
+
+		DRM_DEBUG("dwords:%d\n", dwords);
+		DRM_DEBUG("offset 0x%lx\n", offset);
+
+
+		/* Indirect buffer data must be a multiple of 16 dwords.
+		 * pad the data with a Type-2 CP packet.
+		 */
+		while (dwords & 0xf) {
+			u32 *data = (u32 *)
+			    ((char *)dev->agp_buffer_map->handle
+			     + buf->offset + start);
+			data[dwords++] = RADEON_CP_PACKET2;
+		}
+
+		/* Fire off the indirect buffer */
+		BEGIN_RING(4);
+		OUT_RING(CP_PACKET3(R600_IT_INDIRECT_BUFFER, 2));
+		OUT_RING((offset & 0xfffffffc));
+		OUT_RING((upper_32_bits(offset) & 0xff));
+		OUT_RING(dwords);
+		ADVANCE_RING();
+	}
+
+	return 0;
+}