xref: /linux/drivers/gpu/drm/radeon/rv770.c (revision 4413e16d9d21673bb5048a2e542f1aaa00015c2e)
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #include <linux/firmware.h>
29 #include <linux/platform_device.h>
30 #include <linux/slab.h>
31 #include <drm/drmP.h>
32 #include "radeon.h"
33 #include "radeon_asic.h"
34 #include <drm/radeon_drm.h>
35 #include "rv770d.h"
36 #include "atom.h"
37 #include "avivod.h"
38 
39 #define R700_PFP_UCODE_SIZE 848
40 #define R700_PM4_UCODE_SIZE 1360
41 
42 static void rv770_gpu_init(struct radeon_device *rdev);
43 void rv770_fini(struct radeon_device *rdev);
44 static void rv770_pcie_gen2_enable(struct radeon_device *rdev);
45 
46 u32 rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
47 {
48 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
49 	u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
50 	int i;
51 
52 	/* Lock the graphics update lock */
53 	tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
54 	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
55 
56 	/* update the scanout addresses */
57 	if (radeon_crtc->crtc_id) {
58 		WREG32(D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
59 		WREG32(D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
60 	} else {
61 		WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
62 		WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
63 	}
64 	WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
65 	       (u32)crtc_base);
66 	WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
67 	       (u32)crtc_base);
68 
69 	/* Wait for update_pending to go high. */
70 	for (i = 0; i < rdev->usec_timeout; i++) {
71 		if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
72 			break;
73 		udelay(1);
74 	}
75 	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
76 
77 	/* Unlock the lock, so double-buffering can take place inside vblank */
78 	tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
79 	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
80 
81 	/* Return current update_pending status: */
82 	return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
83 }
84 
85 /* get temperature in millidegrees */
86 int rv770_get_temp(struct radeon_device *rdev)
87 {
88 	u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
89 		ASIC_T_SHIFT;
90 	int actual_temp;
91 
92 	if (temp & 0x400)
93 		actual_temp = -256;
94 	else if (temp & 0x200)
95 		actual_temp = 255;
96 	else if (temp & 0x100) {
97 		actual_temp = temp & 0x1ff;
98 		actual_temp |= ~0x1ff;
99 	} else
100 		actual_temp = temp & 0xff;
101 
102 	return (actual_temp * 1000) / 2;
103 }
104 
105 void rv770_pm_misc(struct radeon_device *rdev)
106 {
107 	int req_ps_idx = rdev->pm.requested_power_state_index;
108 	int req_cm_idx = rdev->pm.requested_clock_mode_index;
109 	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
110 	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
111 
112 	if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
113 		/* 0xff01 is a flag rather then an actual voltage */
114 		if (voltage->voltage == 0xff01)
115 			return;
116 		if (voltage->voltage != rdev->pm.current_vddc) {
117 			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
118 			rdev->pm.current_vddc = voltage->voltage;
119 			DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
120 		}
121 	}
122 }
123 
124 /*
125  * GART
126  */
127 int rv770_pcie_gart_enable(struct radeon_device *rdev)
128 {
129 	u32 tmp;
130 	int r, i;
131 
132 	if (rdev->gart.robj == NULL) {
133 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
134 		return -EINVAL;
135 	}
136 	r = radeon_gart_table_vram_pin(rdev);
137 	if (r)
138 		return r;
139 	radeon_gart_restore(rdev);
140 	/* Setup L2 cache */
141 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
142 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
143 				EFFECTIVE_L2_QUEUE_SIZE(7));
144 	WREG32(VM_L2_CNTL2, 0);
145 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
146 	/* Setup TLB control */
147 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
148 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
149 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
150 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
151 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
152 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
153 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
154 	if (rdev->family == CHIP_RV740)
155 		WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
156 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
157 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
158 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
159 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
160 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
161 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
162 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
163 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
164 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
165 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
166 			(u32)(rdev->dummy_page.addr >> 12));
167 	for (i = 1; i < 7; i++)
168 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
169 
170 	r600_pcie_gart_tlb_flush(rdev);
171 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
172 		 (unsigned)(rdev->mc.gtt_size >> 20),
173 		 (unsigned long long)rdev->gart.table_addr);
174 	rdev->gart.ready = true;
175 	return 0;
176 }
177 
178 void rv770_pcie_gart_disable(struct radeon_device *rdev)
179 {
180 	u32 tmp;
181 	int i;
182 
183 	/* Disable all tables */
184 	for (i = 0; i < 7; i++)
185 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
186 
187 	/* Setup L2 cache */
188 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
189 				EFFECTIVE_L2_QUEUE_SIZE(7));
190 	WREG32(VM_L2_CNTL2, 0);
191 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
192 	/* Setup TLB control */
193 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
194 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
195 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
196 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
197 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
198 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
199 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
200 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
201 	radeon_gart_table_vram_unpin(rdev);
202 }
203 
204 void rv770_pcie_gart_fini(struct radeon_device *rdev)
205 {
206 	radeon_gart_fini(rdev);
207 	rv770_pcie_gart_disable(rdev);
208 	radeon_gart_table_vram_free(rdev);
209 }
210 
211 
212 void rv770_agp_enable(struct radeon_device *rdev)
213 {
214 	u32 tmp;
215 	int i;
216 
217 	/* Setup L2 cache */
218 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
219 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
220 				EFFECTIVE_L2_QUEUE_SIZE(7));
221 	WREG32(VM_L2_CNTL2, 0);
222 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
223 	/* Setup TLB control */
224 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
225 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
226 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
227 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
228 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
229 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
230 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
231 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
232 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
233 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
234 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
235 	for (i = 0; i < 7; i++)
236 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
237 }
238 
239 static void rv770_mc_program(struct radeon_device *rdev)
240 {
241 	struct rv515_mc_save save;
242 	u32 tmp;
243 	int i, j;
244 
245 	/* Initialize HDP */
246 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
247 		WREG32((0x2c14 + j), 0x00000000);
248 		WREG32((0x2c18 + j), 0x00000000);
249 		WREG32((0x2c1c + j), 0x00000000);
250 		WREG32((0x2c20 + j), 0x00000000);
251 		WREG32((0x2c24 + j), 0x00000000);
252 	}
253 	/* r7xx hw bug.  Read from HDP_DEBUG1 rather
254 	 * than writing to HDP_REG_COHERENCY_FLUSH_CNTL
255 	 */
256 	tmp = RREG32(HDP_DEBUG1);
257 
258 	rv515_mc_stop(rdev, &save);
259 	if (r600_mc_wait_for_idle(rdev)) {
260 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
261 	}
262 	/* Lockout access through VGA aperture*/
263 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
264 	/* Update configuration */
265 	if (rdev->flags & RADEON_IS_AGP) {
266 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
267 			/* VRAM before AGP */
268 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
269 				rdev->mc.vram_start >> 12);
270 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
271 				rdev->mc.gtt_end >> 12);
272 		} else {
273 			/* VRAM after AGP */
274 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
275 				rdev->mc.gtt_start >> 12);
276 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
277 				rdev->mc.vram_end >> 12);
278 		}
279 	} else {
280 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
281 			rdev->mc.vram_start >> 12);
282 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
283 			rdev->mc.vram_end >> 12);
284 	}
285 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
286 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
287 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
288 	WREG32(MC_VM_FB_LOCATION, tmp);
289 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
290 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
291 	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
292 	if (rdev->flags & RADEON_IS_AGP) {
293 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
294 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
295 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
296 	} else {
297 		WREG32(MC_VM_AGP_BASE, 0);
298 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
299 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
300 	}
301 	if (r600_mc_wait_for_idle(rdev)) {
302 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
303 	}
304 	rv515_mc_resume(rdev, &save);
305 	/* we need to own VRAM, so turn off the VGA renderer here
306 	 * to stop it overwriting our objects */
307 	rv515_vga_render_disable(rdev);
308 }
309 
310 
311 /*
312  * CP.
313  */
314 void r700_cp_stop(struct radeon_device *rdev)
315 {
316 	radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
317 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
318 	WREG32(SCRATCH_UMSK, 0);
319 }
320 
321 static int rv770_cp_load_microcode(struct radeon_device *rdev)
322 {
323 	const __be32 *fw_data;
324 	int i;
325 
326 	if (!rdev->me_fw || !rdev->pfp_fw)
327 		return -EINVAL;
328 
329 	r700_cp_stop(rdev);
330 	WREG32(CP_RB_CNTL,
331 #ifdef __BIG_ENDIAN
332 	       BUF_SWAP_32BIT |
333 #endif
334 	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
335 
336 	/* Reset cp */
337 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
338 	RREG32(GRBM_SOFT_RESET);
339 	mdelay(15);
340 	WREG32(GRBM_SOFT_RESET, 0);
341 
342 	fw_data = (const __be32 *)rdev->pfp_fw->data;
343 	WREG32(CP_PFP_UCODE_ADDR, 0);
344 	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
345 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
346 	WREG32(CP_PFP_UCODE_ADDR, 0);
347 
348 	fw_data = (const __be32 *)rdev->me_fw->data;
349 	WREG32(CP_ME_RAM_WADDR, 0);
350 	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
351 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
352 
353 	WREG32(CP_PFP_UCODE_ADDR, 0);
354 	WREG32(CP_ME_RAM_WADDR, 0);
355 	WREG32(CP_ME_RAM_RADDR, 0);
356 	return 0;
357 }
358 
359 void r700_cp_fini(struct radeon_device *rdev)
360 {
361 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
362 	r700_cp_stop(rdev);
363 	radeon_ring_fini(rdev, ring);
364 	radeon_scratch_free(rdev, ring->rptr_save_reg);
365 }
366 
367 /*
368  * Core functions
369  */
370 static void rv770_gpu_init(struct radeon_device *rdev)
371 {
372 	int i, j, num_qd_pipes;
373 	u32 ta_aux_cntl;
374 	u32 sx_debug_1;
375 	u32 smx_dc_ctl0;
376 	u32 db_debug3;
377 	u32 num_gs_verts_per_thread;
378 	u32 vgt_gs_per_es;
379 	u32 gs_prim_buffer_depth = 0;
380 	u32 sq_ms_fifo_sizes;
381 	u32 sq_config;
382 	u32 sq_thread_resource_mgmt;
383 	u32 hdp_host_path_cntl;
384 	u32 sq_dyn_gpr_size_simd_ab_0;
385 	u32 gb_tiling_config = 0;
386 	u32 cc_rb_backend_disable = 0;
387 	u32 cc_gc_shader_pipe_config = 0;
388 	u32 mc_arb_ramcfg;
389 	u32 db_debug4, tmp;
390 	u32 inactive_pipes, shader_pipe_config;
391 	u32 disabled_rb_mask;
392 	unsigned active_number;
393 
394 	/* setup chip specs */
395 	rdev->config.rv770.tiling_group_size = 256;
396 	switch (rdev->family) {
397 	case CHIP_RV770:
398 		rdev->config.rv770.max_pipes = 4;
399 		rdev->config.rv770.max_tile_pipes = 8;
400 		rdev->config.rv770.max_simds = 10;
401 		rdev->config.rv770.max_backends = 4;
402 		rdev->config.rv770.max_gprs = 256;
403 		rdev->config.rv770.max_threads = 248;
404 		rdev->config.rv770.max_stack_entries = 512;
405 		rdev->config.rv770.max_hw_contexts = 8;
406 		rdev->config.rv770.max_gs_threads = 16 * 2;
407 		rdev->config.rv770.sx_max_export_size = 128;
408 		rdev->config.rv770.sx_max_export_pos_size = 16;
409 		rdev->config.rv770.sx_max_export_smx_size = 112;
410 		rdev->config.rv770.sq_num_cf_insts = 2;
411 
412 		rdev->config.rv770.sx_num_of_sets = 7;
413 		rdev->config.rv770.sc_prim_fifo_size = 0xF9;
414 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
415 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
416 		break;
417 	case CHIP_RV730:
418 		rdev->config.rv770.max_pipes = 2;
419 		rdev->config.rv770.max_tile_pipes = 4;
420 		rdev->config.rv770.max_simds = 8;
421 		rdev->config.rv770.max_backends = 2;
422 		rdev->config.rv770.max_gprs = 128;
423 		rdev->config.rv770.max_threads = 248;
424 		rdev->config.rv770.max_stack_entries = 256;
425 		rdev->config.rv770.max_hw_contexts = 8;
426 		rdev->config.rv770.max_gs_threads = 16 * 2;
427 		rdev->config.rv770.sx_max_export_size = 256;
428 		rdev->config.rv770.sx_max_export_pos_size = 32;
429 		rdev->config.rv770.sx_max_export_smx_size = 224;
430 		rdev->config.rv770.sq_num_cf_insts = 2;
431 
432 		rdev->config.rv770.sx_num_of_sets = 7;
433 		rdev->config.rv770.sc_prim_fifo_size = 0xf9;
434 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
435 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
436 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
437 			rdev->config.rv770.sx_max_export_pos_size -= 16;
438 			rdev->config.rv770.sx_max_export_smx_size += 16;
439 		}
440 		break;
441 	case CHIP_RV710:
442 		rdev->config.rv770.max_pipes = 2;
443 		rdev->config.rv770.max_tile_pipes = 2;
444 		rdev->config.rv770.max_simds = 2;
445 		rdev->config.rv770.max_backends = 1;
446 		rdev->config.rv770.max_gprs = 256;
447 		rdev->config.rv770.max_threads = 192;
448 		rdev->config.rv770.max_stack_entries = 256;
449 		rdev->config.rv770.max_hw_contexts = 4;
450 		rdev->config.rv770.max_gs_threads = 8 * 2;
451 		rdev->config.rv770.sx_max_export_size = 128;
452 		rdev->config.rv770.sx_max_export_pos_size = 16;
453 		rdev->config.rv770.sx_max_export_smx_size = 112;
454 		rdev->config.rv770.sq_num_cf_insts = 1;
455 
456 		rdev->config.rv770.sx_num_of_sets = 7;
457 		rdev->config.rv770.sc_prim_fifo_size = 0x40;
458 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
459 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
460 		break;
461 	case CHIP_RV740:
462 		rdev->config.rv770.max_pipes = 4;
463 		rdev->config.rv770.max_tile_pipes = 4;
464 		rdev->config.rv770.max_simds = 8;
465 		rdev->config.rv770.max_backends = 4;
466 		rdev->config.rv770.max_gprs = 256;
467 		rdev->config.rv770.max_threads = 248;
468 		rdev->config.rv770.max_stack_entries = 512;
469 		rdev->config.rv770.max_hw_contexts = 8;
470 		rdev->config.rv770.max_gs_threads = 16 * 2;
471 		rdev->config.rv770.sx_max_export_size = 256;
472 		rdev->config.rv770.sx_max_export_pos_size = 32;
473 		rdev->config.rv770.sx_max_export_smx_size = 224;
474 		rdev->config.rv770.sq_num_cf_insts = 2;
475 
476 		rdev->config.rv770.sx_num_of_sets = 7;
477 		rdev->config.rv770.sc_prim_fifo_size = 0x100;
478 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
479 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
480 
481 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
482 			rdev->config.rv770.sx_max_export_pos_size -= 16;
483 			rdev->config.rv770.sx_max_export_smx_size += 16;
484 		}
485 		break;
486 	default:
487 		break;
488 	}
489 
490 	/* Initialize HDP */
491 	j = 0;
492 	for (i = 0; i < 32; i++) {
493 		WREG32((0x2c14 + j), 0x00000000);
494 		WREG32((0x2c18 + j), 0x00000000);
495 		WREG32((0x2c1c + j), 0x00000000);
496 		WREG32((0x2c20 + j), 0x00000000);
497 		WREG32((0x2c24 + j), 0x00000000);
498 		j += 0x18;
499 	}
500 
501 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
502 
503 	/* setup tiling, simd, pipe config */
504 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
505 
506 	shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
507 	inactive_pipes = (shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT;
508 	for (i = 0, tmp = 1, active_number = 0; i < R7XX_MAX_PIPES; i++) {
509 		if (!(inactive_pipes & tmp)) {
510 			active_number++;
511 		}
512 		tmp <<= 1;
513 	}
514 	if (active_number == 1) {
515 		WREG32(SPI_CONFIG_CNTL, DISABLE_INTERP_1);
516 	} else {
517 		WREG32(SPI_CONFIG_CNTL, 0);
518 	}
519 
520 	cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
521 	tmp = R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_rb_backend_disable >> 16);
522 	if (tmp < rdev->config.rv770.max_backends) {
523 		rdev->config.rv770.max_backends = tmp;
524 	}
525 
526 	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
527 	tmp = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R7XX_MAX_PIPES_MASK);
528 	if (tmp < rdev->config.rv770.max_pipes) {
529 		rdev->config.rv770.max_pipes = tmp;
530 	}
531 	tmp = R7XX_MAX_SIMDS - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK);
532 	if (tmp < rdev->config.rv770.max_simds) {
533 		rdev->config.rv770.max_simds = tmp;
534 	}
535 
536 	switch (rdev->config.rv770.max_tile_pipes) {
537 	case 1:
538 	default:
539 		gb_tiling_config = PIPE_TILING(0);
540 		break;
541 	case 2:
542 		gb_tiling_config = PIPE_TILING(1);
543 		break;
544 	case 4:
545 		gb_tiling_config = PIPE_TILING(2);
546 		break;
547 	case 8:
548 		gb_tiling_config = PIPE_TILING(3);
549 		break;
550 	}
551 	rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
552 
553 	disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R7XX_MAX_BACKENDS_MASK;
554 	tmp = (gb_tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
555 	tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.rv770.max_backends,
556 					R7XX_MAX_BACKENDS, disabled_rb_mask);
557 	gb_tiling_config |= tmp << 16;
558 	rdev->config.rv770.backend_map = tmp;
559 
560 	if (rdev->family == CHIP_RV770)
561 		gb_tiling_config |= BANK_TILING(1);
562 	else {
563 		if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
564 			gb_tiling_config |= BANK_TILING(1);
565 		else
566 			gb_tiling_config |= BANK_TILING(0);
567 	}
568 	rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
569 	gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
570 	if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
571 		gb_tiling_config |= ROW_TILING(3);
572 		gb_tiling_config |= SAMPLE_SPLIT(3);
573 	} else {
574 		gb_tiling_config |=
575 			ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
576 		gb_tiling_config |=
577 			SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
578 	}
579 
580 	gb_tiling_config |= BANK_SWAPS(1);
581 	rdev->config.rv770.tile_config = gb_tiling_config;
582 
583 	WREG32(GB_TILING_CONFIG, gb_tiling_config);
584 	WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
585 	WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
586 
587 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
588 	WREG32(CGTS_TCC_DISABLE, 0);
589 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
590 	WREG32(CGTS_USER_TCC_DISABLE, 0);
591 
592 
593 	num_qd_pipes = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
594 	WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
595 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
596 
597 	/* set HW defaults for 3D engine */
598 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
599 				     ROQ_IB2_START(0x2b)));
600 
601 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
602 
603 	ta_aux_cntl = RREG32(TA_CNTL_AUX);
604 	WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
605 
606 	sx_debug_1 = RREG32(SX_DEBUG_1);
607 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
608 	WREG32(SX_DEBUG_1, sx_debug_1);
609 
610 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
611 	smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
612 	smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
613 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
614 
615 	if (rdev->family != CHIP_RV740)
616 		WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
617 				       GS_FLUSH_CTL(4) |
618 				       ACK_FLUSH_CTL(3) |
619 				       SYNC_FLUSH_CTL));
620 
621 	if (rdev->family != CHIP_RV770)
622 		WREG32(SMX_SAR_CTL0, 0x00003f3f);
623 
624 	db_debug3 = RREG32(DB_DEBUG3);
625 	db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
626 	switch (rdev->family) {
627 	case CHIP_RV770:
628 	case CHIP_RV740:
629 		db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
630 		break;
631 	case CHIP_RV710:
632 	case CHIP_RV730:
633 	default:
634 		db_debug3 |= DB_CLK_OFF_DELAY(2);
635 		break;
636 	}
637 	WREG32(DB_DEBUG3, db_debug3);
638 
639 	if (rdev->family != CHIP_RV770) {
640 		db_debug4 = RREG32(DB_DEBUG4);
641 		db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
642 		WREG32(DB_DEBUG4, db_debug4);
643 	}
644 
645 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
646 					POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
647 					SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
648 
649 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
650 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
651 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
652 
653 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
654 
655 	WREG32(VGT_NUM_INSTANCES, 1);
656 
657 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
658 
659 	WREG32(CP_PERFMON_CNTL, 0);
660 
661 	sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
662 			    DONE_FIFO_HIWATER(0xe0) |
663 			    ALU_UPDATE_FIFO_HIWATER(0x8));
664 	switch (rdev->family) {
665 	case CHIP_RV770:
666 	case CHIP_RV730:
667 	case CHIP_RV710:
668 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
669 		break;
670 	case CHIP_RV740:
671 	default:
672 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
673 		break;
674 	}
675 	WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
676 
677 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
678 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
679 	 */
680 	sq_config = RREG32(SQ_CONFIG);
681 	sq_config &= ~(PS_PRIO(3) |
682 		       VS_PRIO(3) |
683 		       GS_PRIO(3) |
684 		       ES_PRIO(3));
685 	sq_config |= (DX9_CONSTS |
686 		      VC_ENABLE |
687 		      EXPORT_SRC_C |
688 		      PS_PRIO(0) |
689 		      VS_PRIO(1) |
690 		      GS_PRIO(2) |
691 		      ES_PRIO(3));
692 	if (rdev->family == CHIP_RV710)
693 		/* no vertex cache */
694 		sq_config &= ~VC_ENABLE;
695 
696 	WREG32(SQ_CONFIG, sq_config);
697 
698 	WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
699 					 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
700 					 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
701 
702 	WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
703 					 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
704 
705 	sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
706 				   NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
707 				   NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
708 	if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
709 		sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
710 	else
711 		sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
712 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
713 
714 	WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
715 						     NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
716 
717 	WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
718 						     NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
719 
720 	sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
721 				     SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
722 				     SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
723 				     SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
724 
725 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
726 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
727 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
728 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
729 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
730 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
731 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
732 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
733 
734 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
735 					  FORCE_EOV_MAX_REZ_CNT(255)));
736 
737 	if (rdev->family == CHIP_RV710)
738 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
739 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
740 	else
741 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
742 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
743 
744 	switch (rdev->family) {
745 	case CHIP_RV770:
746 	case CHIP_RV730:
747 	case CHIP_RV740:
748 		gs_prim_buffer_depth = 384;
749 		break;
750 	case CHIP_RV710:
751 		gs_prim_buffer_depth = 128;
752 		break;
753 	default:
754 		break;
755 	}
756 
757 	num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
758 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
759 	/* Max value for this is 256 */
760 	if (vgt_gs_per_es > 256)
761 		vgt_gs_per_es = 256;
762 
763 	WREG32(VGT_ES_PER_GS, 128);
764 	WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
765 	WREG32(VGT_GS_PER_VS, 2);
766 
767 	/* more default values. 2D/3D driver should adjust as needed */
768 	WREG32(VGT_GS_VERTEX_REUSE, 16);
769 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
770 	WREG32(VGT_STRMOUT_EN, 0);
771 	WREG32(SX_MISC, 0);
772 	WREG32(PA_SC_MODE_CNTL, 0);
773 	WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
774 	WREG32(PA_SC_AA_CONFIG, 0);
775 	WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
776 	WREG32(PA_SC_LINE_STIPPLE, 0);
777 	WREG32(SPI_INPUT_Z, 0);
778 	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
779 	WREG32(CB_COLOR7_FRAG, 0);
780 
781 	/* clear render buffer base addresses */
782 	WREG32(CB_COLOR0_BASE, 0);
783 	WREG32(CB_COLOR1_BASE, 0);
784 	WREG32(CB_COLOR2_BASE, 0);
785 	WREG32(CB_COLOR3_BASE, 0);
786 	WREG32(CB_COLOR4_BASE, 0);
787 	WREG32(CB_COLOR5_BASE, 0);
788 	WREG32(CB_COLOR6_BASE, 0);
789 	WREG32(CB_COLOR7_BASE, 0);
790 
791 	WREG32(TCP_CNTL, 0);
792 
793 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
794 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
795 
796 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
797 
798 	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
799 					  NUM_CLIP_SEQ(3)));
800 	WREG32(VC_ENHANCE, 0);
801 }
802 
803 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
804 {
805 	u64 size_bf, size_af;
806 
807 	if (mc->mc_vram_size > 0xE0000000) {
808 		/* leave room for at least 512M GTT */
809 		dev_warn(rdev->dev, "limiting VRAM\n");
810 		mc->real_vram_size = 0xE0000000;
811 		mc->mc_vram_size = 0xE0000000;
812 	}
813 	if (rdev->flags & RADEON_IS_AGP) {
814 		size_bf = mc->gtt_start;
815 		size_af = 0xFFFFFFFF - mc->gtt_end;
816 		if (size_bf > size_af) {
817 			if (mc->mc_vram_size > size_bf) {
818 				dev_warn(rdev->dev, "limiting VRAM\n");
819 				mc->real_vram_size = size_bf;
820 				mc->mc_vram_size = size_bf;
821 			}
822 			mc->vram_start = mc->gtt_start - mc->mc_vram_size;
823 		} else {
824 			if (mc->mc_vram_size > size_af) {
825 				dev_warn(rdev->dev, "limiting VRAM\n");
826 				mc->real_vram_size = size_af;
827 				mc->mc_vram_size = size_af;
828 			}
829 			mc->vram_start = mc->gtt_end + 1;
830 		}
831 		mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
832 		dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
833 				mc->mc_vram_size >> 20, mc->vram_start,
834 				mc->vram_end, mc->real_vram_size >> 20);
835 	} else {
836 		radeon_vram_location(rdev, &rdev->mc, 0);
837 		rdev->mc.gtt_base_align = 0;
838 		radeon_gtt_location(rdev, mc);
839 	}
840 }
841 
842 int rv770_mc_init(struct radeon_device *rdev)
843 {
844 	u32 tmp;
845 	int chansize, numchan;
846 
847 	/* Get VRAM informations */
848 	rdev->mc.vram_is_ddr = true;
849 	tmp = RREG32(MC_ARB_RAMCFG);
850 	if (tmp & CHANSIZE_OVERRIDE) {
851 		chansize = 16;
852 	} else if (tmp & CHANSIZE_MASK) {
853 		chansize = 64;
854 	} else {
855 		chansize = 32;
856 	}
857 	tmp = RREG32(MC_SHARED_CHMAP);
858 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
859 	case 0:
860 	default:
861 		numchan = 1;
862 		break;
863 	case 1:
864 		numchan = 2;
865 		break;
866 	case 2:
867 		numchan = 4;
868 		break;
869 	case 3:
870 		numchan = 8;
871 		break;
872 	}
873 	rdev->mc.vram_width = numchan * chansize;
874 	/* Could aper size report 0 ? */
875 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
876 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
877 	/* Setup GPU memory space */
878 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
879 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
880 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
881 	r700_vram_gtt_location(rdev, &rdev->mc);
882 	radeon_update_bandwidth_info(rdev);
883 
884 	return 0;
885 }
886 
887 static int rv770_startup(struct radeon_device *rdev)
888 {
889 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
890 	int r;
891 
892 	/* enable pcie gen2 link */
893 	rv770_pcie_gen2_enable(rdev);
894 
895 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
896 		r = r600_init_microcode(rdev);
897 		if (r) {
898 			DRM_ERROR("Failed to load firmware!\n");
899 			return r;
900 		}
901 	}
902 
903 	r = r600_vram_scratch_init(rdev);
904 	if (r)
905 		return r;
906 
907 	rv770_mc_program(rdev);
908 	if (rdev->flags & RADEON_IS_AGP) {
909 		rv770_agp_enable(rdev);
910 	} else {
911 		r = rv770_pcie_gart_enable(rdev);
912 		if (r)
913 			return r;
914 	}
915 
916 	rv770_gpu_init(rdev);
917 	r = r600_blit_init(rdev);
918 	if (r) {
919 		r600_blit_fini(rdev);
920 		rdev->asic->copy.copy = NULL;
921 		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
922 	}
923 
924 	/* allocate wb buffer */
925 	r = radeon_wb_init(rdev);
926 	if (r)
927 		return r;
928 
929 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
930 	if (r) {
931 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
932 		return r;
933 	}
934 
935 	/* Enable IRQ */
936 	r = r600_irq_init(rdev);
937 	if (r) {
938 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
939 		radeon_irq_kms_fini(rdev);
940 		return r;
941 	}
942 	r600_irq_set(rdev);
943 
944 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
945 			     R600_CP_RB_RPTR, R600_CP_RB_WPTR,
946 			     0, 0xfffff, RADEON_CP_PACKET2);
947 	if (r)
948 		return r;
949 	r = rv770_cp_load_microcode(rdev);
950 	if (r)
951 		return r;
952 	r = r600_cp_resume(rdev);
953 	if (r)
954 		return r;
955 
956 	r = radeon_ib_pool_init(rdev);
957 	if (r) {
958 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
959 		return r;
960 	}
961 
962 	r = r600_audio_init(rdev);
963 	if (r) {
964 		DRM_ERROR("radeon: audio init failed\n");
965 		return r;
966 	}
967 
968 	return 0;
969 }
970 
971 int rv770_resume(struct radeon_device *rdev)
972 {
973 	int r;
974 
975 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
976 	 * posting will perform necessary task to bring back GPU into good
977 	 * shape.
978 	 */
979 	/* post card */
980 	atom_asic_init(rdev->mode_info.atom_context);
981 
982 	rdev->accel_working = true;
983 	r = rv770_startup(rdev);
984 	if (r) {
985 		DRM_ERROR("r600 startup failed on resume\n");
986 		rdev->accel_working = false;
987 		return r;
988 	}
989 
990 	return r;
991 
992 }
993 
994 int rv770_suspend(struct radeon_device *rdev)
995 {
996 	r600_audio_fini(rdev);
997 	r700_cp_stop(rdev);
998 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
999 	r600_irq_suspend(rdev);
1000 	radeon_wb_disable(rdev);
1001 	rv770_pcie_gart_disable(rdev);
1002 
1003 	return 0;
1004 }
1005 
1006 /* Plan is to move initialization in that function and use
1007  * helper function so that radeon_device_init pretty much
1008  * do nothing more than calling asic specific function. This
1009  * should also allow to remove a bunch of callback function
1010  * like vram_info.
1011  */
1012 int rv770_init(struct radeon_device *rdev)
1013 {
1014 	int r;
1015 
1016 	/* Read BIOS */
1017 	if (!radeon_get_bios(rdev)) {
1018 		if (ASIC_IS_AVIVO(rdev))
1019 			return -EINVAL;
1020 	}
1021 	/* Must be an ATOMBIOS */
1022 	if (!rdev->is_atom_bios) {
1023 		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1024 		return -EINVAL;
1025 	}
1026 	r = radeon_atombios_init(rdev);
1027 	if (r)
1028 		return r;
1029 	/* Post card if necessary */
1030 	if (!radeon_card_posted(rdev)) {
1031 		if (!rdev->bios) {
1032 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1033 			return -EINVAL;
1034 		}
1035 		DRM_INFO("GPU not posted. posting now...\n");
1036 		atom_asic_init(rdev->mode_info.atom_context);
1037 	}
1038 	/* Initialize scratch registers */
1039 	r600_scratch_init(rdev);
1040 	/* Initialize surface registers */
1041 	radeon_surface_init(rdev);
1042 	/* Initialize clocks */
1043 	radeon_get_clock_info(rdev->ddev);
1044 	/* Fence driver */
1045 	r = radeon_fence_driver_init(rdev);
1046 	if (r)
1047 		return r;
1048 	/* initialize AGP */
1049 	if (rdev->flags & RADEON_IS_AGP) {
1050 		r = radeon_agp_init(rdev);
1051 		if (r)
1052 			radeon_agp_disable(rdev);
1053 	}
1054 	r = rv770_mc_init(rdev);
1055 	if (r)
1056 		return r;
1057 	/* Memory manager */
1058 	r = radeon_bo_init(rdev);
1059 	if (r)
1060 		return r;
1061 
1062 	r = radeon_irq_kms_init(rdev);
1063 	if (r)
1064 		return r;
1065 
1066 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
1067 	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
1068 
1069 	rdev->ih.ring_obj = NULL;
1070 	r600_ih_ring_init(rdev, 64 * 1024);
1071 
1072 	r = r600_pcie_gart_init(rdev);
1073 	if (r)
1074 		return r;
1075 
1076 	rdev->accel_working = true;
1077 	r = rv770_startup(rdev);
1078 	if (r) {
1079 		dev_err(rdev->dev, "disabling GPU acceleration\n");
1080 		r700_cp_fini(rdev);
1081 		r600_irq_fini(rdev);
1082 		radeon_wb_fini(rdev);
1083 		radeon_ib_pool_fini(rdev);
1084 		radeon_irq_kms_fini(rdev);
1085 		rv770_pcie_gart_fini(rdev);
1086 		rdev->accel_working = false;
1087 	}
1088 
1089 	return 0;
1090 }
1091 
1092 void rv770_fini(struct radeon_device *rdev)
1093 {
1094 	r600_blit_fini(rdev);
1095 	r700_cp_fini(rdev);
1096 	r600_irq_fini(rdev);
1097 	radeon_wb_fini(rdev);
1098 	radeon_ib_pool_fini(rdev);
1099 	radeon_irq_kms_fini(rdev);
1100 	rv770_pcie_gart_fini(rdev);
1101 	r600_vram_scratch_fini(rdev);
1102 	radeon_gem_fini(rdev);
1103 	radeon_fence_driver_fini(rdev);
1104 	radeon_agp_fini(rdev);
1105 	radeon_bo_fini(rdev);
1106 	radeon_atombios_fini(rdev);
1107 	kfree(rdev->bios);
1108 	rdev->bios = NULL;
1109 }
1110 
1111 static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
1112 {
1113 	u32 link_width_cntl, lanes, speed_cntl, tmp;
1114 	u16 link_cntl2;
1115 	u32 mask;
1116 	int ret;
1117 
1118 	if (radeon_pcie_gen2 == 0)
1119 		return;
1120 
1121 	if (rdev->flags & RADEON_IS_IGP)
1122 		return;
1123 
1124 	if (!(rdev->flags & RADEON_IS_PCIE))
1125 		return;
1126 
1127 	/* x2 cards have a special sequence */
1128 	if (ASIC_IS_X2(rdev))
1129 		return;
1130 
1131 	ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask);
1132 	if (ret != 0)
1133 		return;
1134 
1135 	if (!(mask & DRM_PCIE_SPEED_50))
1136 		return;
1137 
1138 	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
1139 
1140 	/* advertise upconfig capability */
1141 	link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1142 	link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1143 	WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1144 	link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1145 	if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
1146 		lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
1147 		link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
1148 				     LC_RECONFIG_ARC_MISSING_ESCAPE);
1149 		link_width_cntl |= lanes | LC_RECONFIG_NOW |
1150 			LC_RENEGOTIATE_EN | LC_UPCONFIGURE_SUPPORT;
1151 		WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1152 	} else {
1153 		link_width_cntl |= LC_UPCONFIGURE_DIS;
1154 		WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1155 	}
1156 
1157 	speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1158 	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
1159 	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
1160 
1161 		tmp = RREG32(0x541c);
1162 		WREG32(0x541c, tmp | 0x8);
1163 		WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
1164 		link_cntl2 = RREG16(0x4088);
1165 		link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
1166 		link_cntl2 |= 0x2;
1167 		WREG16(0x4088, link_cntl2);
1168 		WREG32(MM_CFGREGS_CNTL, 0);
1169 
1170 		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1171 		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
1172 		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1173 
1174 		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1175 		speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
1176 		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1177 
1178 		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1179 		speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
1180 		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1181 
1182 		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1183 		speed_cntl |= LC_GEN2_EN_STRAP;
1184 		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1185 
1186 	} else {
1187 		link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1188 		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
1189 		if (1)
1190 			link_width_cntl |= LC_UPCONFIGURE_DIS;
1191 		else
1192 			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1193 		WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1194 	}
1195 }
1196