drm/radeon/kms: add debugfs for power management for AtomBIOS devices
[safe/jmp/linux-2.6] / drivers / gpu / drm / radeon / rs600.c
index c31bd84..5f117cd 100644 (file)
  *          Alex Deucher
  *          Jerome Glisse
  */
+/* RS600 / Radeon X1250/X1270 integrated GPU
+ *
+ * This file gather function specific to RS600 which is the IGP of
+ * the X1250/X1270 family supporting intel CPU (while RS690/RS740
+ * is the X1250/X1270 supporting AMD CPU). The display engine are
+ * the avivo one, bios is an atombios, 3D block are the one of the
+ * R4XX family. The GART is different from the RS400 one and is very
+ * close to the one of the R600 family (R600 likely being an evolution
+ * of the RS600 GART block).
+ */
 #include "drmP.h"
-#include "radeon_reg.h"
 #include "radeon.h"
+#include "atom.h"
+#include "rs600d.h"
 
 #include "rs600_reg_safe.h"
 
-/* rs600 depends on : */
-void r100_hdp_reset(struct radeon_device *rdev);
-int r100_gui_wait_for_idle(struct radeon_device *rdev);
-int r300_mc_wait_for_idle(struct radeon_device *rdev);
-void r420_pipes_init(struct radeon_device *rdev);
-
-/* This files gather functions specifics to :
- * rs600
- *
- * Some of these functions might be used by newer ASICs.
- */
 void rs600_gpu_init(struct radeon_device *rdev);
 int rs600_mc_wait_for_idle(struct radeon_device *rdev);
-void rs600_disable_vga(struct radeon_device *rdev);
-
 
 /*
  * GART.
@@ -54,18 +52,18 @@ void rs600_gart_tlb_flush(struct radeon_device *rdev)
 {
        uint32_t tmp;
 
-       tmp = RREG32_MC(RS600_MC_PT0_CNTL);
-       tmp &= ~(RS600_INVALIDATE_ALL_L1_TLBS | RS600_INVALIDATE_L2_CACHE);
-       WREG32_MC(RS600_MC_PT0_CNTL, tmp);
+       tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
+       tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
+       WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 
-       tmp = RREG32_MC(RS600_MC_PT0_CNTL);
-       tmp |= RS600_INVALIDATE_ALL_L1_TLBS | RS600_INVALIDATE_L2_CACHE;
-       WREG32_MC(RS600_MC_PT0_CNTL, tmp);
+       tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
+       tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) & S_000100_INVALIDATE_L2_CACHE(1);
+       WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 
-       tmp = RREG32_MC(RS600_MC_PT0_CNTL);
-       tmp &= ~(RS600_INVALIDATE_ALL_L1_TLBS | RS600_INVALIDATE_L2_CACHE);
-       WREG32_MC(RS600_MC_PT0_CNTL, tmp);
-       tmp = RREG32_MC(RS600_MC_PT0_CNTL);
+       tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
+       tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
+       WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
+       tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 }
 
 int rs600_gart_init(struct radeon_device *rdev)
@@ -87,7 +85,7 @@ int rs600_gart_init(struct radeon_device *rdev)
 
 int rs600_gart_enable(struct radeon_device *rdev)
 {
-       uint32_t tmp;
+       u32 tmp;
        int r, i;
 
        if (rdev->gart.table.vram.robj == NULL) {
@@ -97,46 +95,50 @@ int rs600_gart_enable(struct radeon_device *rdev)
        r = radeon_gart_table_vram_pin(rdev);
        if (r)
                return r;
+       /* Enable bus master */
+       tmp = RREG32(R_00004C_BUS_CNTL) & C_00004C_BUS_MASTER_DIS;
+       WREG32(R_00004C_BUS_CNTL, tmp);
        /* FIXME: setup default page */
-       WREG32_MC(RS600_MC_PT0_CNTL,
-                (RS600_EFFECTIVE_L2_CACHE_SIZE(6) |
-                 RS600_EFFECTIVE_L2_QUEUE_SIZE(6)));
+       WREG32_MC(R_000100_MC_PT0_CNTL,
+                (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
+                 S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
        for (i = 0; i < 19; i++) {
-               WREG32_MC(RS600_MC_PT0_CLIENT0_CNTL + i,
-                        (RS600_ENABLE_TRANSLATION_MODE_OVERRIDE |
-                         RS600_SYSTEM_ACCESS_MODE_IN_SYS |
-                         RS600_SYSTEM_APERTURE_UNMAPPED_ACCESS_DEFAULT_PAGE |
-                         RS600_EFFECTIVE_L1_CACHE_SIZE(3) |
-                         RS600_ENABLE_FRAGMENT_PROCESSING |
-                         RS600_EFFECTIVE_L1_QUEUE_SIZE(3)));
+               WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
+                       S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
+                       S_00016C_SYSTEM_ACCESS_MODE_MASK(
+                               V_00016C_SYSTEM_ACCESS_MODE_IN_SYS) |
+                       S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
+                               V_00016C_SYSTEM_APERTURE_UNMAPPED_DEFAULT_PAGE) |
+                       S_00016C_EFFECTIVE_L1_CACHE_SIZE(1) |
+                       S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
+                       S_00016C_EFFECTIVE_L1_QUEUE_SIZE(1));
        }
 
        /* System context map to GART space */
-       WREG32_MC(RS600_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.gtt_location);
-       tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
-       WREG32_MC(RS600_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, tmp);
+       WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.gtt_start);
+       WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.gtt_end);
 
        /* enable first context */
-       WREG32_MC(RS600_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_location);
-       tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
-       WREG32_MC(RS600_MC_PT0_CONTEXT0_FLAT_END_ADDR, tmp);
-       WREG32_MC(RS600_MC_PT0_CONTEXT0_CNTL,
-                (RS600_ENABLE_PAGE_TABLE | RS600_PAGE_TABLE_TYPE_FLAT));
+       WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
+       WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
+       WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
+                       S_000102_ENABLE_PAGE_TABLE(1) |
+                       S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
        /* disable all other contexts */
        for (i = 1; i < 8; i++) {
-               WREG32_MC(RS600_MC_PT0_CONTEXT0_CNTL + i, 0);
+               WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
        }
 
        /* setup the page table */
-       WREG32_MC(RS600_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
-                rdev->gart.table_addr);
-       WREG32_MC(RS600_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
+       WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
+                       rdev->gart.table_addr);
+       WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
 
        /* enable page tables */
-       tmp = RREG32_MC(RS600_MC_PT0_CNTL);
-       WREG32_MC(RS600_MC_PT0_CNTL, (tmp | RS600_ENABLE_PT));
-       tmp = RREG32_MC(RS600_MC_CNTL1);
-       WREG32_MC(RS600_MC_CNTL1, (tmp | RS600_ENABLE_PAGE_TABLES));
+       tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
+       WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
+       tmp = RREG32_MC(R_000009_MC_CNTL1);
+       WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
        rs600_gart_tlb_flush(rdev);
        rdev->gart.ready = true;
        return 0;
@@ -147,10 +149,9 @@ void rs600_gart_disable(struct radeon_device *rdev)
        uint32_t tmp;
 
        /* FIXME: disable out of gart access */
-       WREG32_MC(RS600_MC_PT0_CNTL, 0);
-       tmp = RREG32_MC(RS600_MC_CNTL1);
-       tmp &= ~RS600_ENABLE_PAGE_TABLES;
-       WREG32_MC(RS600_MC_CNTL1, tmp);
+       WREG32_MC(R_000100_MC_PT0_CNTL, 0);
+       tmp = RREG32_MC(R_000009_MC_CNTL1);
+       WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
        if (rdev->gart.table.vram.robj) {
                radeon_object_kunmap(rdev->gart.table.vram.robj);
                radeon_object_unpin(rdev->gart.table.vram.robj);
@@ -184,132 +185,64 @@ int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
        return 0;
 }
 
-
-/*
- * MC.
- */
-void rs600_mc_disable_clients(struct radeon_device *rdev)
-{
-       unsigned tmp;
-
-       if (r100_gui_wait_for_idle(rdev)) {
-               printk(KERN_WARNING "Failed to wait GUI idle while "
-                      "programming pipes. Bad things might happen.\n");
-       }
-
-       tmp = RREG32(AVIVO_D1VGA_CONTROL);
-       WREG32(AVIVO_D1VGA_CONTROL, tmp & ~AVIVO_DVGA_CONTROL_MODE_ENABLE);
-       tmp = RREG32(AVIVO_D2VGA_CONTROL);
-       WREG32(AVIVO_D2VGA_CONTROL, tmp & ~AVIVO_DVGA_CONTROL_MODE_ENABLE);
-
-       tmp = RREG32(AVIVO_D1CRTC_CONTROL);
-       WREG32(AVIVO_D1CRTC_CONTROL, tmp & ~AVIVO_CRTC_EN);
-       tmp = RREG32(AVIVO_D2CRTC_CONTROL);
-       WREG32(AVIVO_D2CRTC_CONTROL, tmp & ~AVIVO_CRTC_EN);
-
-       /* make sure all previous write got through */
-       tmp = RREG32(AVIVO_D2CRTC_CONTROL);
-
-       mdelay(1);
-}
-
-int rs600_mc_init(struct radeon_device *rdev)
-{
-       uint32_t tmp;
-       int r;
-
-       if (r100_debugfs_rbbm_init(rdev)) {
-               DRM_ERROR("Failed to register debugfs file for RBBM !\n");
-       }
-
-       rs600_gpu_init(rdev);
-       rs600_gart_disable(rdev);
-
-       /* Setup GPU memory space */
-       rdev->mc.vram_location = 0xFFFFFFFFUL;
-       rdev->mc.gtt_location = 0xFFFFFFFFUL;
-       r = radeon_mc_setup(rdev);
-       if (r) {
-               return r;
-       }
-
-       /* Program GPU memory space */
-       /* Enable bus master */
-       tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
-       WREG32(RADEON_BUS_CNTL, tmp);
-       /* FIXME: What does AGP means for such chipset ? */
-       WREG32_MC(RS600_MC_AGP_LOCATION, 0x0FFFFFFF);
-       /* FIXME: are this AGP reg in indirect MC range ? */
-       WREG32_MC(RS600_MC_AGP_BASE, 0);
-       WREG32_MC(RS600_MC_AGP_BASE_2, 0);
-       rs600_mc_disable_clients(rdev);
-       if (rs600_mc_wait_for_idle(rdev)) {
-               printk(KERN_WARNING "Failed to wait MC idle while "
-                      "programming pipes. Bad things might happen.\n");
-       }
-       tmp = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1;
-       tmp = REG_SET(RS600_MC_FB_TOP, tmp >> 16);
-       tmp |= REG_SET(RS600_MC_FB_START, rdev->mc.vram_location >> 16);
-       WREG32_MC(RS600_MC_FB_LOCATION, tmp);
-       WREG32(RS690_HDP_FB_LOCATION, rdev->mc.vram_location >> 16);
-       return 0;
-}
-
-void rs600_mc_fini(struct radeon_device *rdev)
-{
-}
-
-
-/*
- * Interrupts
- */
 int rs600_irq_set(struct radeon_device *rdev)
 {
        uint32_t tmp = 0;
        uint32_t mode_int = 0;
 
        if (rdev->irq.sw_int) {
-               tmp |= RADEON_SW_INT_ENABLE;
+               tmp |= S_000040_SW_INT_EN(1);
        }
        if (rdev->irq.crtc_vblank_int[0]) {
-               tmp |= AVIVO_DISPLAY_INT_STATUS;
-               mode_int |= AVIVO_D1MODE_INT_MASK;
+               mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
        }
        if (rdev->irq.crtc_vblank_int[1]) {
-               tmp |= AVIVO_DISPLAY_INT_STATUS;
-               mode_int |= AVIVO_D2MODE_INT_MASK;
+               mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
        }
-       WREG32(RADEON_GEN_INT_CNTL, tmp);
-       WREG32(AVIVO_DxMODE_INT_MASK, mode_int);
+       WREG32(R_000040_GEN_INT_CNTL, tmp);
+       WREG32(R_006540_DxMODE_INT_MASK, mode_int);
        return 0;
 }
 
 static inline uint32_t rs600_irq_ack(struct radeon_device *rdev, u32 *r500_disp_int)
 {
-       uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
-       uint32_t irq_mask = RADEON_SW_INT_TEST;
-
-       if (irqs & AVIVO_DISPLAY_INT_STATUS) {
-               *r500_disp_int = RREG32(AVIVO_DISP_INTERRUPT_STATUS);
-               if (*r500_disp_int & AVIVO_D1_VBLANK_INTERRUPT) {
-                       WREG32(AVIVO_D1MODE_VBLANK_STATUS, AVIVO_VBLANK_ACK);
+       uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
+       uint32_t irq_mask = ~C_000044_SW_INT;
+
+       if (G_000044_DISPLAY_INT_STAT(irqs)) {
+               *r500_disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
+               if (G_007EDC_LB_D1_VBLANK_INTERRUPT(*r500_disp_int)) {
+                       WREG32(R_006534_D1MODE_VBLANK_STATUS,
+                               S_006534_D1MODE_VBLANK_ACK(1));
                }
-               if (*r500_disp_int & AVIVO_D2_VBLANK_INTERRUPT) {
-                       WREG32(AVIVO_D2MODE_VBLANK_STATUS, AVIVO_VBLANK_ACK);
+               if (G_007EDC_LB_D2_VBLANK_INTERRUPT(*r500_disp_int)) {
+                       WREG32(R_006D34_D2MODE_VBLANK_STATUS,
+                               S_006D34_D2MODE_VBLANK_ACK(1));
                }
        } else {
                *r500_disp_int = 0;
        }
 
        if (irqs) {
-               WREG32(RADEON_GEN_INT_STATUS, irqs);
+               WREG32(R_000044_GEN_INT_STATUS, irqs);
        }
        return irqs & irq_mask;
 }
 
+void rs600_irq_disable(struct radeon_device *rdev)
+{
+       u32 tmp;
+
+       WREG32(R_000040_GEN_INT_CNTL, 0);
+       WREG32(R_006540_DxMODE_INT_MASK, 0);
+       /* Wait and acknowledge irq */
+       mdelay(1);
+       rs600_irq_ack(rdev, &tmp);
+}
+
 int rs600_irq_process(struct radeon_device *rdev)
 {
-       uint32_t status;
+       uint32_t status, msi_rearm;
        uint32_t r500_disp_int;
 
        status = rs600_irq_ack(rdev, &r500_disp_int);
@@ -318,85 +251,65 @@ int rs600_irq_process(struct radeon_device *rdev)
        }
        while (status || r500_disp_int) {
                /* SW interrupt */
-               if (status & RADEON_SW_INT_TEST) {
+               if (G_000040_SW_INT_EN(status))
                        radeon_fence_process(rdev);
-               }
                /* Vertical blank interrupts */
-               if (r500_disp_int & AVIVO_D1_VBLANK_INTERRUPT) {
+               if (G_007EDC_LB_D1_VBLANK_INTERRUPT(r500_disp_int))
                        drm_handle_vblank(rdev->ddev, 0);
-               }
-               if (r500_disp_int & AVIVO_D2_VBLANK_INTERRUPT) {
+               if (G_007EDC_LB_D2_VBLANK_INTERRUPT(r500_disp_int))
                        drm_handle_vblank(rdev->ddev, 1);
-               }
                status = rs600_irq_ack(rdev, &r500_disp_int);
        }
+       if (rdev->msi_enabled) {
+               switch (rdev->family) {
+               case CHIP_RS600:
+               case CHIP_RS690:
+               case CHIP_RS740:
+                       msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
+                       WREG32(RADEON_BUS_CNTL, msi_rearm);
+                       WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
+                       break;
+               default:
+                       msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
+                       WREG32(RADEON_MSI_REARM_EN, msi_rearm);
+                       WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
+                       break;
+               }
+       }
        return IRQ_HANDLED;
 }
 
 u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
 {
        if (crtc == 0)
-               return RREG32(AVIVO_D1CRTC_FRAME_COUNT);
+               return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
        else
-               return RREG32(AVIVO_D2CRTC_FRAME_COUNT);
-}
-
-
-/*
- * Global GPU functions
- */
-void rs600_disable_vga(struct radeon_device *rdev)
-{
-       unsigned tmp;
-
-       WREG32(0x330, 0);
-       WREG32(0x338, 0);
-       tmp = RREG32(0x300);
-       tmp &= ~(3 << 16);
-       WREG32(0x300, tmp);
-       WREG32(0x308, (1 << 8));
-       WREG32(0x310, rdev->mc.vram_location);
-       WREG32(0x594, 0);
+               return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
 }
 
 int rs600_mc_wait_for_idle(struct radeon_device *rdev)
 {
        unsigned i;
-       uint32_t tmp;
 
        for (i = 0; i < rdev->usec_timeout; i++) {
-               /* read MC_STATUS */
-               tmp = RREG32_MC(RS600_MC_STATUS);
-               if (tmp & RS600_MC_STATUS_IDLE) {
+               if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
                        return 0;
-               }
-               DRM_UDELAY(1);
+               udelay(1);
        }
        return -1;
 }
 
-void rs600_errata(struct radeon_device *rdev)
-{
-       rdev->pll_errata = 0;
-}
-
 void rs600_gpu_init(struct radeon_device *rdev)
 {
        /* FIXME: HDP same place on rs600 ? */
        r100_hdp_reset(rdev);
-       rs600_disable_vga(rdev);
        /* FIXME: is this correct ? */
        r420_pipes_init(rdev);
-       if (rs600_mc_wait_for_idle(rdev)) {
-               printk(KERN_WARNING "Failed to wait MC idle while "
-                      "programming pipes. Bad things might happen.\n");
-       }
+       /* Wait for mc idle */
+       if (rs600_mc_wait_for_idle(rdev))
+               dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 }
 
-
-/*
- * VRAM info.
- */
 void rs600_vram_info(struct radeon_device *rdev)
 {
        /* FIXME: to do or is these values sane ? */
@@ -409,31 +322,208 @@ void rs600_bandwidth_update(struct radeon_device *rdev)
        /* FIXME: implement, should this be like rs690 ? */
 }
 
-
-/*
- * Indirect registers accessor
- */
 uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
 {
-       uint32_t r;
-
-       WREG32(RS600_MC_INDEX,
-              ((reg & RS600_MC_ADDR_MASK) | RS600_MC_IND_CITF_ARB0));
-       r = RREG32(RS600_MC_DATA);
-       return r;
+       WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
+               S_000070_MC_IND_CITF_ARB0(1));
+       return RREG32(R_000074_MC_IND_DATA);
 }
 
 void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 {
-       WREG32(RS600_MC_INDEX,
-               RS600_MC_IND_WR_EN | RS600_MC_IND_CITF_ARB0 |
-               ((reg) & RS600_MC_ADDR_MASK));
-       WREG32(RS600_MC_DATA, v);
+       WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
+               S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
+       WREG32(R_000074_MC_IND_DATA, v);
 }
 
-int rs600_init(struct radeon_device *rdev)
+void rs600_debugfs(struct radeon_device *rdev)
+{
+       if (r100_debugfs_rbbm_init(rdev))
+               DRM_ERROR("Failed to register debugfs file for RBBM !\n");
+}
+
+void rs600_set_safe_registers(struct radeon_device *rdev)
 {
        rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
        rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
+}
+
+static void rs600_mc_program(struct radeon_device *rdev)
+{
+       struct rv515_mc_save save;
+
+       /* Stops all mc clients */
+       rv515_mc_stop(rdev, &save);
+
+       /* Wait for mc idle */
+       if (rs600_mc_wait_for_idle(rdev))
+               dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
+
+       /* FIXME: What does AGP means for such chipset ? */
+       WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
+       WREG32_MC(R_000006_AGP_BASE, 0);
+       WREG32_MC(R_000007_AGP_BASE_2, 0);
+       /* Program MC */
+       WREG32_MC(R_000004_MC_FB_LOCATION,
+                       S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
+                       S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
+       WREG32(R_000134_HDP_FB_LOCATION,
+               S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
+
+       rv515_mc_resume(rdev, &save);
+}
+
+static int rs600_startup(struct radeon_device *rdev)
+{
+       int r;
+
+       rs600_mc_program(rdev);
+       /* Resume clock */
+       rv515_clock_startup(rdev);
+       /* Initialize GPU configuration (# pipes, ...) */
+       rs600_gpu_init(rdev);
+       /* Initialize GART (initialize after TTM so we can allocate
+        * memory through TTM but finalize after TTM) */
+       r = rs600_gart_enable(rdev);
+       if (r)
+               return r;
+       /* Enable IRQ */
+       rdev->irq.sw_int = true;
+       rs600_irq_set(rdev);
+       /* 1M ring buffer */
+       r = r100_cp_init(rdev, 1024 * 1024);
+       if (r) {
+               dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
+               return r;
+       }
+       r = r100_wb_init(rdev);
+       if (r)
+               dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
+       r = r100_ib_init(rdev);
+       if (r) {
+               dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
+               return r;
+       }
+       return 0;
+}
+
+int rs600_resume(struct radeon_device *rdev)
+{
+       /* Make sur GART are not working */
+       rs600_gart_disable(rdev);
+       /* Resume clock before doing reset */
+       rv515_clock_startup(rdev);
+       /* Reset gpu before posting otherwise ATOM will enter infinite loop */
+       if (radeon_gpu_reset(rdev)) {
+               dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
+                       RREG32(R_000E40_RBBM_STATUS),
+                       RREG32(R_0007C0_CP_STAT));
+       }
+       /* post */
+       atom_asic_init(rdev->mode_info.atom_context);
+       /* Resume clock after posting */
+       rv515_clock_startup(rdev);
+       return rs600_startup(rdev);
+}
+
+int rs600_suspend(struct radeon_device *rdev)
+{
+       r100_cp_disable(rdev);
+       r100_wb_disable(rdev);
+       rs600_irq_disable(rdev);
+       rs600_gart_disable(rdev);
+       return 0;
+}
+
+void rs600_fini(struct radeon_device *rdev)
+{
+       rs600_suspend(rdev);
+       r100_cp_fini(rdev);
+       r100_wb_fini(rdev);
+       r100_ib_fini(rdev);
+       radeon_gem_fini(rdev);
+       rs600_gart_fini(rdev);
+       radeon_irq_kms_fini(rdev);
+       radeon_fence_driver_fini(rdev);
+       radeon_object_fini(rdev);
+       radeon_atombios_fini(rdev);
+       kfree(rdev->bios);
+       rdev->bios = NULL;
+}
+
+int rs600_init(struct radeon_device *rdev)
+{
+       int r;
+
+       /* Disable VGA */
+       rv515_vga_render_disable(rdev);
+       /* Initialize scratch registers */
+       radeon_scratch_init(rdev);
+       /* Initialize surface registers */
+       radeon_surface_init(rdev);
+       /* BIOS */
+       if (!radeon_get_bios(rdev)) {
+               if (ASIC_IS_AVIVO(rdev))
+                       return -EINVAL;
+       }
+       if (rdev->is_atom_bios) {
+               r = radeon_atombios_init(rdev);
+               if (r)
+                       return r;
+       } else {
+               dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
+               return -EINVAL;
+       }
+       /* Reset gpu before posting otherwise ATOM will enter infinite loop */
+       if (radeon_gpu_reset(rdev)) {
+               dev_warn(rdev->dev,
+                       "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
+                       RREG32(R_000E40_RBBM_STATUS),
+                       RREG32(R_0007C0_CP_STAT));
+       }
+       /* check if cards are posted or not */
+       if (!radeon_card_posted(rdev) && rdev->bios) {
+               DRM_INFO("GPU not posted. posting now...\n");
+               atom_asic_init(rdev->mode_info.atom_context);
+       }
+       /* Initialize clocks */
+       radeon_get_clock_info(rdev->ddev);
+       /* Initialize power management */
+       radeon_pm_init(rdev);
+       /* Get vram informations */
+       rs600_vram_info(rdev);
+       /* Initialize memory controller (also test AGP) */
+       r = r420_mc_init(rdev);
+       if (r)
+               return r;
+       rs600_debugfs(rdev);
+       /* Fence driver */
+       r = radeon_fence_driver_init(rdev);
+       if (r)
+               return r;
+       r = radeon_irq_kms_init(rdev);
+       if (r)
+               return r;
+       /* Memory manager */
+       r = radeon_object_init(rdev);
+       if (r)
+               return r;
+       r = rs600_gart_init(rdev);
+       if (r)
+               return r;
+       rs600_set_safe_registers(rdev);
+       rdev->accel_working = true;
+       r = rs600_startup(rdev);
+       if (r) {
+               /* Somethings want wront with the accel init stop accel */
+               dev_err(rdev->dev, "Disabling GPU acceleration\n");
+               rs600_suspend(rdev);
+               r100_cp_fini(rdev);
+               r100_wb_fini(rdev);
+               r100_ib_fini(rdev);
+               rs600_gart_fini(rdev);
+               radeon_irq_kms_fini(rdev);
+               rdev->accel_working = false;
+       }
        return 0;
 }