2 * Copyright 2010 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
22 * Authors: Alex Deucher
24 #include <linux/firmware.h>
25 #include <linux/platform_device.h>
26 #include <linux/slab.h>
27 #include <linux/module.h>
30 #include "radeon_asic.h"
31 #include "radeon_drm.h"
35 #include "cayman_blit_shaders.h"
37 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
38 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
39 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
40 extern void evergreen_mc_program(struct radeon_device *rdev);
41 extern void evergreen_irq_suspend(struct radeon_device *rdev);
42 extern int evergreen_mc_init(struct radeon_device *rdev);
43 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
44 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
46 #define EVERGREEN_PFP_UCODE_SIZE 1120
47 #define EVERGREEN_PM4_UCODE_SIZE 1376
48 #define EVERGREEN_RLC_UCODE_SIZE 768
49 #define BTC_MC_UCODE_SIZE 6024
51 #define CAYMAN_PFP_UCODE_SIZE 2176
52 #define CAYMAN_PM4_UCODE_SIZE 2176
53 #define CAYMAN_RLC_UCODE_SIZE 1024
54 #define CAYMAN_MC_UCODE_SIZE 6037
57 MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
58 MODULE_FIRMWARE("radeon/BARTS_me.bin");
59 MODULE_FIRMWARE("radeon/BARTS_mc.bin");
60 MODULE_FIRMWARE("radeon/BTC_rlc.bin");
61 MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
62 MODULE_FIRMWARE("radeon/TURKS_me.bin");
63 MODULE_FIRMWARE("radeon/TURKS_mc.bin");
64 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
65 MODULE_FIRMWARE("radeon/CAICOS_me.bin");
66 MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
67 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
68 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
69 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
70 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
72 #define BTC_IO_MC_REGS_SIZE 29
74 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
75 {0x00000077, 0xff010100},
76 {0x00000078, 0x00000000},
77 {0x00000079, 0x00001434},
78 {0x0000007a, 0xcc08ec08},
79 {0x0000007b, 0x00040000},
80 {0x0000007c, 0x000080c0},
81 {0x0000007d, 0x09000000},
82 {0x0000007e, 0x00210404},
83 {0x00000081, 0x08a8e800},
84 {0x00000082, 0x00030444},
85 {0x00000083, 0x00000000},
86 {0x00000085, 0x00000001},
87 {0x00000086, 0x00000002},
88 {0x00000087, 0x48490000},
89 {0x00000088, 0x20244647},
90 {0x00000089, 0x00000005},
91 {0x0000008b, 0x66030000},
92 {0x0000008c, 0x00006603},
93 {0x0000008d, 0x00000100},
94 {0x0000008f, 0x00001c0a},
95 {0x00000090, 0xff000001},
96 {0x00000094, 0x00101101},
97 {0x00000095, 0x00000fff},
98 {0x00000096, 0x00116fff},
99 {0x00000097, 0x60010000},
100 {0x00000098, 0x10010000},
101 {0x00000099, 0x00006000},
102 {0x0000009a, 0x00001000},
103 {0x0000009f, 0x00946a00}
106 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
107 {0x00000077, 0xff010100},
108 {0x00000078, 0x00000000},
109 {0x00000079, 0x00001434},
110 {0x0000007a, 0xcc08ec08},
111 {0x0000007b, 0x00040000},
112 {0x0000007c, 0x000080c0},
113 {0x0000007d, 0x09000000},
114 {0x0000007e, 0x00210404},
115 {0x00000081, 0x08a8e800},
116 {0x00000082, 0x00030444},
117 {0x00000083, 0x00000000},
118 {0x00000085, 0x00000001},
119 {0x00000086, 0x00000002},
120 {0x00000087, 0x48490000},
121 {0x00000088, 0x20244647},
122 {0x00000089, 0x00000005},
123 {0x0000008b, 0x66030000},
124 {0x0000008c, 0x00006603},
125 {0x0000008d, 0x00000100},
126 {0x0000008f, 0x00001c0a},
127 {0x00000090, 0xff000001},
128 {0x00000094, 0x00101101},
129 {0x00000095, 0x00000fff},
130 {0x00000096, 0x00116fff},
131 {0x00000097, 0x60010000},
132 {0x00000098, 0x10010000},
133 {0x00000099, 0x00006000},
134 {0x0000009a, 0x00001000},
135 {0x0000009f, 0x00936a00}
138 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
139 {0x00000077, 0xff010100},
140 {0x00000078, 0x00000000},
141 {0x00000079, 0x00001434},
142 {0x0000007a, 0xcc08ec08},
143 {0x0000007b, 0x00040000},
144 {0x0000007c, 0x000080c0},
145 {0x0000007d, 0x09000000},
146 {0x0000007e, 0x00210404},
147 {0x00000081, 0x08a8e800},
148 {0x00000082, 0x00030444},
149 {0x00000083, 0x00000000},
150 {0x00000085, 0x00000001},
151 {0x00000086, 0x00000002},
152 {0x00000087, 0x48490000},
153 {0x00000088, 0x20244647},
154 {0x00000089, 0x00000005},
155 {0x0000008b, 0x66030000},
156 {0x0000008c, 0x00006603},
157 {0x0000008d, 0x00000100},
158 {0x0000008f, 0x00001c0a},
159 {0x00000090, 0xff000001},
160 {0x00000094, 0x00101101},
161 {0x00000095, 0x00000fff},
162 {0x00000096, 0x00116fff},
163 {0x00000097, 0x60010000},
164 {0x00000098, 0x10010000},
165 {0x00000099, 0x00006000},
166 {0x0000009a, 0x00001000},
167 {0x0000009f, 0x00916a00}
170 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
171 {0x00000077, 0xff010100},
172 {0x00000078, 0x00000000},
173 {0x00000079, 0x00001434},
174 {0x0000007a, 0xcc08ec08},
175 {0x0000007b, 0x00040000},
176 {0x0000007c, 0x000080c0},
177 {0x0000007d, 0x09000000},
178 {0x0000007e, 0x00210404},
179 {0x00000081, 0x08a8e800},
180 {0x00000082, 0x00030444},
181 {0x00000083, 0x00000000},
182 {0x00000085, 0x00000001},
183 {0x00000086, 0x00000002},
184 {0x00000087, 0x48490000},
185 {0x00000088, 0x20244647},
186 {0x00000089, 0x00000005},
187 {0x0000008b, 0x66030000},
188 {0x0000008c, 0x00006603},
189 {0x0000008d, 0x00000100},
190 {0x0000008f, 0x00001c0a},
191 {0x00000090, 0xff000001},
192 {0x00000094, 0x00101101},
193 {0x00000095, 0x00000fff},
194 {0x00000096, 0x00116fff},
195 {0x00000097, 0x60010000},
196 {0x00000098, 0x10010000},
197 {0x00000099, 0x00006000},
198 {0x0000009a, 0x00001000},
199 {0x0000009f, 0x00976b00}
202 int ni_mc_load_microcode(struct radeon_device *rdev)
204 const __be32 *fw_data;
205 u32 mem_type, running, blackout = 0;
207 int i, ucode_size, regs_size;
212 switch (rdev->family) {
214 io_mc_regs = (u32 *)&barts_io_mc_regs;
215 ucode_size = BTC_MC_UCODE_SIZE;
216 regs_size = BTC_IO_MC_REGS_SIZE;
219 io_mc_regs = (u32 *)&turks_io_mc_regs;
220 ucode_size = BTC_MC_UCODE_SIZE;
221 regs_size = BTC_IO_MC_REGS_SIZE;
225 io_mc_regs = (u32 *)&caicos_io_mc_regs;
226 ucode_size = BTC_MC_UCODE_SIZE;
227 regs_size = BTC_IO_MC_REGS_SIZE;
230 io_mc_regs = (u32 *)&cayman_io_mc_regs;
231 ucode_size = CAYMAN_MC_UCODE_SIZE;
232 regs_size = BTC_IO_MC_REGS_SIZE;
236 mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
237 running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
239 if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
241 blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
242 WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
245 /* reset the engine and set to writable */
246 WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
247 WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
249 /* load mc io regs */
250 for (i = 0; i < regs_size; i++) {
251 WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
252 WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
254 /* load the MC ucode */
255 fw_data = (const __be32 *)rdev->mc_fw->data;
256 for (i = 0; i < ucode_size; i++)
257 WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
259 /* put the engine back into the active state */
260 WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
261 WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
262 WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
264 /* wait for training to complete */
265 for (i = 0; i < rdev->usec_timeout; i++) {
266 if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
272 WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
278 int ni_init_microcode(struct radeon_device *rdev)
280 struct platform_device *pdev;
281 const char *chip_name;
282 const char *rlc_chip_name;
283 size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
289 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
292 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
296 switch (rdev->family) {
299 rlc_chip_name = "BTC";
300 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
301 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
302 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
303 mc_req_size = BTC_MC_UCODE_SIZE * 4;
307 rlc_chip_name = "BTC";
308 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
309 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
310 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
311 mc_req_size = BTC_MC_UCODE_SIZE * 4;
314 chip_name = "CAICOS";
315 rlc_chip_name = "BTC";
316 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
317 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
318 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
319 mc_req_size = BTC_MC_UCODE_SIZE * 4;
322 chip_name = "CAYMAN";
323 rlc_chip_name = "CAYMAN";
324 pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
325 me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
326 rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
327 mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
332 DRM_INFO("Loading %s Microcode\n", chip_name);
334 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
335 err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
338 if (rdev->pfp_fw->size != pfp_req_size) {
340 "ni_cp: Bogus length %zu in firmware \"%s\"\n",
341 rdev->pfp_fw->size, fw_name);
346 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
347 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
350 if (rdev->me_fw->size != me_req_size) {
352 "ni_cp: Bogus length %zu in firmware \"%s\"\n",
353 rdev->me_fw->size, fw_name);
357 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
358 err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
361 if (rdev->rlc_fw->size != rlc_req_size) {
363 "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
364 rdev->rlc_fw->size, fw_name);
368 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
369 err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev);
372 if (rdev->mc_fw->size != mc_req_size) {
374 "ni_mc: Bogus length %zu in firmware \"%s\"\n",
375 rdev->mc_fw->size, fw_name);
379 platform_device_unregister(pdev);
384 "ni_cp: Failed to load firmware \"%s\"\n",
386 release_firmware(rdev->pfp_fw);
388 release_firmware(rdev->me_fw);
390 release_firmware(rdev->rlc_fw);
392 release_firmware(rdev->mc_fw);
401 static u32 cayman_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
403 u32 num_backends_per_asic,
404 u32 *backend_disable_mask_per_asic,
405 u32 num_shader_engines)
408 u32 enabled_backends_mask = 0;
409 u32 enabled_backends_count = 0;
410 u32 num_backends_per_se;
412 u32 swizzle_pipe[CAYMAN_MAX_PIPES];
415 bool force_no_swizzle;
417 /* force legal values */
418 if (num_tile_pipes < 1)
420 if (num_tile_pipes > rdev->config.cayman.max_tile_pipes)
421 num_tile_pipes = rdev->config.cayman.max_tile_pipes;
422 if (num_shader_engines < 1)
423 num_shader_engines = 1;
424 if (num_shader_engines > rdev->config.cayman.max_shader_engines)
425 num_shader_engines = rdev->config.cayman.max_shader_engines;
426 if (num_backends_per_asic < num_shader_engines)
427 num_backends_per_asic = num_shader_engines;
428 if (num_backends_per_asic > (rdev->config.cayman.max_backends_per_se * num_shader_engines))
429 num_backends_per_asic = rdev->config.cayman.max_backends_per_se * num_shader_engines;
431 /* make sure we have the same number of backends per se */
432 num_backends_per_asic = ALIGN(num_backends_per_asic, num_shader_engines);
433 /* set up the number of backends per se */
434 num_backends_per_se = num_backends_per_asic / num_shader_engines;
435 if (num_backends_per_se > rdev->config.cayman.max_backends_per_se) {
436 num_backends_per_se = rdev->config.cayman.max_backends_per_se;
437 num_backends_per_asic = num_backends_per_se * num_shader_engines;
440 /* create enable mask and count for enabled backends */
441 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
442 if (((*backend_disable_mask_per_asic >> i) & 1) == 0) {
443 enabled_backends_mask |= (1 << i);
444 ++enabled_backends_count;
446 if (enabled_backends_count == num_backends_per_asic)
450 /* force the backends mask to match the current number of backends */
451 if (enabled_backends_count != num_backends_per_asic) {
452 u32 this_backend_enabled;
456 enabled_backends_mask = 0;
457 enabled_backends_count = 0;
458 *backend_disable_mask_per_asic = CAYMAN_MAX_BACKENDS_MASK;
459 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
460 /* calc the current se */
461 shader_engine = i / rdev->config.cayman.max_backends_per_se;
462 /* calc the backend per se */
463 backend_per_se = i % rdev->config.cayman.max_backends_per_se;
464 /* default to not enabled */
465 this_backend_enabled = 0;
466 if ((shader_engine < num_shader_engines) &&
467 (backend_per_se < num_backends_per_se))
468 this_backend_enabled = 1;
469 if (this_backend_enabled) {
470 enabled_backends_mask |= (1 << i);
471 *backend_disable_mask_per_asic &= ~(1 << i);
472 ++enabled_backends_count;
478 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * CAYMAN_MAX_PIPES);
479 switch (rdev->family) {
481 force_no_swizzle = true;
484 force_no_swizzle = false;
487 if (force_no_swizzle) {
488 bool last_backend_enabled = false;
490 force_no_swizzle = false;
491 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
492 if (((enabled_backends_mask >> i) & 1) == 1) {
493 if (last_backend_enabled)
494 force_no_swizzle = true;
495 last_backend_enabled = true;
497 last_backend_enabled = false;
501 switch (num_tile_pipes) {
506 DRM_ERROR("odd number of pipes!\n");
513 if (force_no_swizzle) {
526 if (force_no_swizzle) {
543 if (force_no_swizzle) {
565 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
566 while (((1 << cur_backend) & enabled_backends_mask) == 0)
567 cur_backend = (cur_backend + 1) % CAYMAN_MAX_BACKENDS;
569 backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));
571 cur_backend = (cur_backend + 1) % CAYMAN_MAX_BACKENDS;
577 static u32 cayman_get_disable_mask_per_asic(struct radeon_device *rdev,
578 u32 disable_mask_per_se,
579 u32 max_disable_mask_per_se,
580 u32 num_shader_engines)
582 u32 disable_field_width_per_se = r600_count_pipe_bits(disable_mask_per_se);
583 u32 disable_mask_per_asic = disable_mask_per_se & max_disable_mask_per_se;
585 if (num_shader_engines == 1)
586 return disable_mask_per_asic;
587 else if (num_shader_engines == 2)
588 return disable_mask_per_asic | (disable_mask_per_asic << disable_field_width_per_se);
593 static void cayman_gpu_init(struct radeon_device *rdev)
595 u32 cc_rb_backend_disable = 0;
596 u32 cc_gc_shader_pipe_config;
597 u32 gb_addr_config = 0;
598 u32 mc_shared_chmap, mc_arb_ramcfg;
600 u32 cgts_tcc_disable;
603 u32 gc_user_shader_pipe_config;
604 u32 gc_user_rb_backend_disable;
605 u32 cgts_user_tcc_disable;
606 u32 cgts_sm_ctrl_reg;
607 u32 hdp_host_path_cntl;
611 switch (rdev->family) {
614 rdev->config.cayman.max_shader_engines = 2;
615 rdev->config.cayman.max_pipes_per_simd = 4;
616 rdev->config.cayman.max_tile_pipes = 8;
617 rdev->config.cayman.max_simds_per_se = 12;
618 rdev->config.cayman.max_backends_per_se = 4;
619 rdev->config.cayman.max_texture_channel_caches = 8;
620 rdev->config.cayman.max_gprs = 256;
621 rdev->config.cayman.max_threads = 256;
622 rdev->config.cayman.max_gs_threads = 32;
623 rdev->config.cayman.max_stack_entries = 512;
624 rdev->config.cayman.sx_num_of_sets = 8;
625 rdev->config.cayman.sx_max_export_size = 256;
626 rdev->config.cayman.sx_max_export_pos_size = 64;
627 rdev->config.cayman.sx_max_export_smx_size = 192;
628 rdev->config.cayman.max_hw_contexts = 8;
629 rdev->config.cayman.sq_num_cf_insts = 2;
631 rdev->config.cayman.sc_prim_fifo_size = 0x100;
632 rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
633 rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
638 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
639 WREG32((0x2c14 + j), 0x00000000);
640 WREG32((0x2c18 + j), 0x00000000);
641 WREG32((0x2c1c + j), 0x00000000);
642 WREG32((0x2c20 + j), 0x00000000);
643 WREG32((0x2c24 + j), 0x00000000);
646 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
648 evergreen_fix_pci_max_read_req_size(rdev);
650 mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
651 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
653 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE);
654 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
655 cgts_tcc_disable = 0xff000000;
656 gc_user_rb_backend_disable = RREG32(GC_USER_RB_BACKEND_DISABLE);
657 gc_user_shader_pipe_config = RREG32(GC_USER_SHADER_PIPE_CONFIG);
658 cgts_user_tcc_disable = RREG32(CGTS_USER_TCC_DISABLE);
660 rdev->config.cayman.num_shader_engines = rdev->config.cayman.max_shader_engines;
661 tmp = ((~gc_user_shader_pipe_config) & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT;
662 rdev->config.cayman.num_shader_pipes_per_simd = r600_count_pipe_bits(tmp);
663 rdev->config.cayman.num_tile_pipes = rdev->config.cayman.max_tile_pipes;
664 tmp = ((~gc_user_shader_pipe_config) & INACTIVE_SIMDS_MASK) >> INACTIVE_SIMDS_SHIFT;
665 rdev->config.cayman.num_simds_per_se = r600_count_pipe_bits(tmp);
666 tmp = ((~gc_user_rb_backend_disable) & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT;
667 rdev->config.cayman.num_backends_per_se = r600_count_pipe_bits(tmp);
668 tmp = (gc_user_rb_backend_disable & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT;
669 rdev->config.cayman.backend_disable_mask_per_asic =
670 cayman_get_disable_mask_per_asic(rdev, tmp, CAYMAN_MAX_BACKENDS_PER_SE_MASK,
671 rdev->config.cayman.num_shader_engines);
672 rdev->config.cayman.backend_map =
673 cayman_get_tile_pipe_to_backend_map(rdev, rdev->config.cayman.num_tile_pipes,
674 rdev->config.cayman.num_backends_per_se *
675 rdev->config.cayman.num_shader_engines,
676 &rdev->config.cayman.backend_disable_mask_per_asic,
677 rdev->config.cayman.num_shader_engines);
678 tmp = ((~cgts_user_tcc_disable) & TCC_DISABLE_MASK) >> TCC_DISABLE_SHIFT;
679 rdev->config.cayman.num_texture_channel_caches = r600_count_pipe_bits(tmp);
680 tmp = (mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT;
681 rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
682 if (rdev->config.cayman.mem_max_burst_length_bytes > 512)
683 rdev->config.cayman.mem_max_burst_length_bytes = 512;
684 tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
685 rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
686 if (rdev->config.cayman.mem_row_size_in_kb > 4)
687 rdev->config.cayman.mem_row_size_in_kb = 4;
688 /* XXX use MC settings? */
689 rdev->config.cayman.shader_engine_tile_size = 32;
690 rdev->config.cayman.num_gpus = 1;
691 rdev->config.cayman.multi_gpu_tile_size = 64;
693 //gb_addr_config = 0x02011003
695 gb_addr_config = RREG32(GB_ADDR_CONFIG);
698 switch (rdev->config.cayman.num_tile_pipes) {
701 gb_addr_config |= NUM_PIPES(0);
704 gb_addr_config |= NUM_PIPES(1);
707 gb_addr_config |= NUM_PIPES(2);
710 gb_addr_config |= NUM_PIPES(3);
714 tmp = (rdev->config.cayman.mem_max_burst_length_bytes / 256) - 1;
715 gb_addr_config |= PIPE_INTERLEAVE_SIZE(tmp);
716 gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.cayman.num_shader_engines - 1);
717 tmp = (rdev->config.cayman.shader_engine_tile_size / 16) - 1;
718 gb_addr_config |= SHADER_ENGINE_TILE_SIZE(tmp);
719 switch (rdev->config.cayman.num_gpus) {
722 gb_addr_config |= NUM_GPUS(0);
725 gb_addr_config |= NUM_GPUS(1);
728 gb_addr_config |= NUM_GPUS(2);
731 switch (rdev->config.cayman.multi_gpu_tile_size) {
733 gb_addr_config |= MULTI_GPU_TILE_SIZE(0);
737 gb_addr_config |= MULTI_GPU_TILE_SIZE(1);
740 gb_addr_config |= MULTI_GPU_TILE_SIZE(2);
743 gb_addr_config |= MULTI_GPU_TILE_SIZE(3);
746 switch (rdev->config.cayman.mem_row_size_in_kb) {
749 gb_addr_config |= ROW_SIZE(0);
752 gb_addr_config |= ROW_SIZE(1);
755 gb_addr_config |= ROW_SIZE(2);
760 tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
761 rdev->config.cayman.num_tile_pipes = (1 << tmp);
762 tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
763 rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
764 tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
765 rdev->config.cayman.num_shader_engines = tmp + 1;
766 tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
767 rdev->config.cayman.num_gpus = tmp + 1;
768 tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
769 rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
770 tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
771 rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
773 //gb_backend_map = 0x76541032;
775 gb_backend_map = RREG32(GB_BACKEND_MAP);
778 cayman_get_tile_pipe_to_backend_map(rdev, rdev->config.cayman.num_tile_pipes,
779 rdev->config.cayman.num_backends_per_se *
780 rdev->config.cayman.num_shader_engines,
781 &rdev->config.cayman.backend_disable_mask_per_asic,
782 rdev->config.cayman.num_shader_engines);
784 /* setup tiling info dword. gb_addr_config is not adequate since it does
785 * not have bank info, so create a custom tiling dword.
788 * bits 11:8 group_size
789 * bits 15:12 row_size
791 rdev->config.cayman.tile_config = 0;
792 switch (rdev->config.cayman.num_tile_pipes) {
795 rdev->config.cayman.tile_config |= (0 << 0);
798 rdev->config.cayman.tile_config |= (1 << 0);
801 rdev->config.cayman.tile_config |= (2 << 0);
804 rdev->config.cayman.tile_config |= (3 << 0);
807 rdev->config.cayman.tile_config |=
808 ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
809 rdev->config.cayman.tile_config |=
810 ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
811 rdev->config.cayman.tile_config |=
812 ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
814 rdev->config.cayman.backend_map = gb_backend_map;
815 WREG32(GB_BACKEND_MAP, gb_backend_map);
816 WREG32(GB_ADDR_CONFIG, gb_addr_config);
817 WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
818 WREG32(HDP_ADDR_CONFIG, gb_addr_config);
820 /* primary versions */
821 WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
822 WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
823 WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
825 WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
826 WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
829 WREG32(GC_USER_RB_BACKEND_DISABLE, cc_rb_backend_disable);
830 WREG32(GC_USER_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
831 WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
833 WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
834 WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
836 /* reprogram the shader complex */
837 cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
838 for (i = 0; i < 16; i++)
839 WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
840 WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
842 /* set HW defaults for 3D engine */
843 WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
845 sx_debug_1 = RREG32(SX_DEBUG_1);
846 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
847 WREG32(SX_DEBUG_1, sx_debug_1);
849 smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
850 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
851 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
852 WREG32(SMX_DC_CTL0, smx_dc_ctl0);
854 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
856 /* need to be explicitly zero-ed */
857 WREG32(VGT_OFFCHIP_LDS_BASE, 0);
858 WREG32(SQ_LSTMP_RING_BASE, 0);
859 WREG32(SQ_HSTMP_RING_BASE, 0);
860 WREG32(SQ_ESTMP_RING_BASE, 0);
861 WREG32(SQ_GSTMP_RING_BASE, 0);
862 WREG32(SQ_VSTMP_RING_BASE, 0);
863 WREG32(SQ_PSTMP_RING_BASE, 0);
865 WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
867 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
868 POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
869 SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
871 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
872 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
873 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
876 WREG32(VGT_NUM_INSTANCES, 1);
878 WREG32(CP_PERFMON_CNTL, 0);
880 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
881 FETCH_FIFO_HIWATER(0x4) |
882 DONE_FIFO_HIWATER(0xe0) |
883 ALU_UPDATE_FIFO_HIWATER(0x8)));
885 WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
886 WREG32(SQ_CONFIG, (VC_ENABLE |
891 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
893 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
894 FORCE_EOV_MAX_REZ_CNT(255)));
896 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
897 AUTO_INVLD_EN(ES_AND_GS_AUTO));
899 WREG32(VGT_GS_VERTEX_REUSE, 16);
900 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
902 WREG32(CB_PERF_CTR0_SEL_0, 0);
903 WREG32(CB_PERF_CTR0_SEL_1, 0);
904 WREG32(CB_PERF_CTR1_SEL_0, 0);
905 WREG32(CB_PERF_CTR1_SEL_1, 0);
906 WREG32(CB_PERF_CTR2_SEL_0, 0);
907 WREG32(CB_PERF_CTR2_SEL_1, 0);
908 WREG32(CB_PERF_CTR3_SEL_0, 0);
909 WREG32(CB_PERF_CTR3_SEL_1, 0);
911 tmp = RREG32(HDP_MISC_CNTL);
912 tmp |= HDP_FLUSH_INVALIDATE_CACHE;
913 WREG32(HDP_MISC_CNTL, tmp);
915 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
916 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
918 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
926 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
928 /* flush hdp cache */
929 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
931 /* bits 0-7 are the VM contexts0-7 */
932 WREG32(VM_INVALIDATE_REQUEST, 1);
935 int cayman_pcie_gart_enable(struct radeon_device *rdev)
939 if (rdev->gart.robj == NULL) {
940 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
943 r = radeon_gart_table_vram_pin(rdev);
946 radeon_gart_restore(rdev);
947 /* Setup TLB control */
948 WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB |
949 ENABLE_L1_FRAGMENT_PROCESSING |
950 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
951 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
953 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
954 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
955 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
956 EFFECTIVE_L2_QUEUE_SIZE(7) |
957 CONTEXT1_IDENTITY_ACCESS_MODE(1));
958 WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
959 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
960 L2_CACHE_BIGK_FRAGMENT_SIZE(6));
962 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
963 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
964 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
965 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
966 (u32)(rdev->dummy_page.addr >> 12));
967 WREG32(VM_CONTEXT0_CNTL2, 0);
968 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
969 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
970 /* disable context1-7 */
971 WREG32(VM_CONTEXT1_CNTL2, 0);
972 WREG32(VM_CONTEXT1_CNTL, 0);
974 cayman_pcie_gart_tlb_flush(rdev);
975 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
976 (unsigned)(rdev->mc.gtt_size >> 20),
977 (unsigned long long)rdev->gart.table_addr);
978 rdev->gart.ready = true;
982 void cayman_pcie_gart_disable(struct radeon_device *rdev)
984 /* Disable all tables */
985 WREG32(VM_CONTEXT0_CNTL, 0);
986 WREG32(VM_CONTEXT1_CNTL, 0);
987 /* Setup TLB control */
988 WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
989 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
990 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
992 WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
993 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
994 EFFECTIVE_L2_QUEUE_SIZE(7) |
995 CONTEXT1_IDENTITY_ACCESS_MODE(1));
996 WREG32(VM_L2_CNTL2, 0);
997 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
998 L2_CACHE_BIGK_FRAGMENT_SIZE(6));
999 radeon_gart_table_vram_unpin(rdev);
1002 void cayman_pcie_gart_fini(struct radeon_device *rdev)
1004 cayman_pcie_gart_disable(rdev);
1005 radeon_gart_table_vram_free(rdev);
1006 radeon_gart_fini(rdev);
1012 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1015 WREG32(CP_ME_CNTL, 0);
1017 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1018 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1019 WREG32(SCRATCH_UMSK, 0);
1023 static int cayman_cp_load_microcode(struct radeon_device *rdev)
1025 const __be32 *fw_data;
1028 if (!rdev->me_fw || !rdev->pfp_fw)
1031 cayman_cp_enable(rdev, false);
1033 fw_data = (const __be32 *)rdev->pfp_fw->data;
1034 WREG32(CP_PFP_UCODE_ADDR, 0);
1035 for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1036 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1037 WREG32(CP_PFP_UCODE_ADDR, 0);
1039 fw_data = (const __be32 *)rdev->me_fw->data;
1040 WREG32(CP_ME_RAM_WADDR, 0);
1041 for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1042 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1044 WREG32(CP_PFP_UCODE_ADDR, 0);
1045 WREG32(CP_ME_RAM_WADDR, 0);
1046 WREG32(CP_ME_RAM_RADDR, 0);
1050 static int cayman_cp_start(struct radeon_device *rdev)
1052 struct radeon_cp *cp = &rdev->cp;
1055 r = radeon_ring_lock(rdev, cp, 7);
1057 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1060 radeon_ring_write(cp, PACKET3(PACKET3_ME_INITIALIZE, 5));
1061 radeon_ring_write(cp, 0x1);
1062 radeon_ring_write(cp, 0x0);
1063 radeon_ring_write(cp, rdev->config.cayman.max_hw_contexts - 1);
1064 radeon_ring_write(cp, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1065 radeon_ring_write(cp, 0);
1066 radeon_ring_write(cp, 0);
1067 radeon_ring_unlock_commit(rdev, cp);
1069 cayman_cp_enable(rdev, true);
1071 r = radeon_ring_lock(rdev, cp, cayman_default_size + 19);
1073 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1077 /* setup clear context state */
1078 radeon_ring_write(cp, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1079 radeon_ring_write(cp, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1081 for (i = 0; i < cayman_default_size; i++)
1082 radeon_ring_write(cp, cayman_default_state[i]);
1084 radeon_ring_write(cp, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1085 radeon_ring_write(cp, PACKET3_PREAMBLE_END_CLEAR_STATE);
1087 /* set clear context state */
1088 radeon_ring_write(cp, PACKET3(PACKET3_CLEAR_STATE, 0));
1089 radeon_ring_write(cp, 0);
1091 /* SQ_VTX_BASE_VTX_LOC */
1092 radeon_ring_write(cp, 0xc0026f00);
1093 radeon_ring_write(cp, 0x00000000);
1094 radeon_ring_write(cp, 0x00000000);
1095 radeon_ring_write(cp, 0x00000000);
1098 radeon_ring_write(cp, 0xc0036f00);
1099 radeon_ring_write(cp, 0x00000bc4);
1100 radeon_ring_write(cp, 0xffffffff);
1101 radeon_ring_write(cp, 0xffffffff);
1102 radeon_ring_write(cp, 0xffffffff);
1104 radeon_ring_write(cp, 0xc0026900);
1105 radeon_ring_write(cp, 0x00000316);
1106 radeon_ring_write(cp, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1107 radeon_ring_write(cp, 0x00000010); /* */
1109 radeon_ring_unlock_commit(rdev, cp);
1111 /* XXX init other rings */
1116 static void cayman_cp_fini(struct radeon_device *rdev)
1118 cayman_cp_enable(rdev, false);
1119 radeon_ring_fini(rdev, &rdev->cp);
1122 int cayman_cp_resume(struct radeon_device *rdev)
1124 struct radeon_cp *cp;
1129 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1130 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1136 RREG32(GRBM_SOFT_RESET);
1138 WREG32(GRBM_SOFT_RESET, 0);
1139 RREG32(GRBM_SOFT_RESET);
1141 WREG32(CP_SEM_WAIT_TIMER, 0x0);
1143 /* Set the write pointer delay */
1144 WREG32(CP_RB_WPTR_DELAY, 0);
1146 WREG32(CP_DEBUG, (1 << 27));
1148 /* ring 0 - compute and gfx */
1149 /* Set ring buffer size */
1151 rb_bufsz = drm_order(cp->ring_size / 8);
1152 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1154 tmp |= BUF_SWAP_32BIT;
1156 WREG32(CP_RB0_CNTL, tmp);
1158 /* Initialize the ring buffer's read and write pointers */
1159 WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
1161 WREG32(CP_RB0_WPTR, cp->wptr);
1163 /* set the wb address wether it's enabled or not */
1164 WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
1165 WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
1166 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1168 if (rdev->wb.enabled)
1169 WREG32(SCRATCH_UMSK, 0xff);
1171 tmp |= RB_NO_UPDATE;
1172 WREG32(SCRATCH_UMSK, 0);
1176 WREG32(CP_RB0_CNTL, tmp);
1178 WREG32(CP_RB0_BASE, cp->gpu_addr >> 8);
1180 cp->rptr = RREG32(CP_RB0_RPTR);
1182 /* ring1 - compute only */
1183 /* Set ring buffer size */
1185 rb_bufsz = drm_order(cp->ring_size / 8);
1186 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1188 tmp |= BUF_SWAP_32BIT;
1190 WREG32(CP_RB1_CNTL, tmp);
1192 /* Initialize the ring buffer's read and write pointers */
1193 WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
1195 WREG32(CP_RB1_WPTR, cp->wptr);
1197 /* set the wb address wether it's enabled or not */
1198 WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
1199 WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF);
1202 WREG32(CP_RB1_CNTL, tmp);
1204 WREG32(CP_RB1_BASE, cp->gpu_addr >> 8);
1206 cp->rptr = RREG32(CP_RB1_RPTR);
1208 /* ring2 - compute only */
1209 /* Set ring buffer size */
1211 rb_bufsz = drm_order(cp->ring_size / 8);
1212 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1214 tmp |= BUF_SWAP_32BIT;
1216 WREG32(CP_RB2_CNTL, tmp);
1218 /* Initialize the ring buffer's read and write pointers */
1219 WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
1221 WREG32(CP_RB2_WPTR, cp->wptr);
1223 /* set the wb address wether it's enabled or not */
1224 WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
1225 WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF);
1228 WREG32(CP_RB2_CNTL, tmp);
1230 WREG32(CP_RB2_BASE, cp->gpu_addr >> 8);
1232 cp->rptr = RREG32(CP_RB2_RPTR);
1234 /* start the rings */
1235 cayman_cp_start(rdev);
1236 rdev->cp.ready = true;
1237 rdev->cp1.ready = true;
1238 rdev->cp2.ready = true;
1239 /* this only test cp0 */
1240 r = radeon_ring_test(rdev, &rdev->cp);
1242 rdev->cp.ready = false;
1243 rdev->cp1.ready = false;
1244 rdev->cp2.ready = false;
1251 bool cayman_gpu_is_lockup(struct radeon_device *rdev, struct radeon_cp *cp)
1255 u32 grbm_status_se0, grbm_status_se1;
1256 struct r100_gpu_lockup *lockup = &rdev->config.cayman.lockup;
1259 srbm_status = RREG32(SRBM_STATUS);
1260 grbm_status = RREG32(GRBM_STATUS);
1261 grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
1262 grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
1263 if (!(grbm_status & GUI_ACTIVE)) {
1264 r100_gpu_lockup_update(lockup, cp);
1267 /* force CP activities */
1268 r = radeon_ring_lock(rdev, cp, 2);
1271 radeon_ring_write(cp, 0x80000000);
1272 radeon_ring_write(cp, 0x80000000);
1273 radeon_ring_unlock_commit(rdev, cp);
1275 /* XXX deal with CP0,1,2 */
1276 cp->rptr = RREG32(CP_RB0_RPTR);
1277 return r100_gpu_cp_is_lockup(rdev, lockup, cp);
1280 static int cayman_gpu_soft_reset(struct radeon_device *rdev)
1282 struct evergreen_mc_save save;
1285 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1288 dev_info(rdev->dev, "GPU softreset \n");
1289 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
1290 RREG32(GRBM_STATUS));
1291 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
1292 RREG32(GRBM_STATUS_SE0));
1293 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
1294 RREG32(GRBM_STATUS_SE1));
1295 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
1296 RREG32(SRBM_STATUS));
1297 evergreen_mc_stop(rdev, &save);
1298 if (evergreen_mc_wait_for_idle(rdev)) {
1299 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1301 /* Disable CP parsing/prefetching */
1302 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1304 /* reset all the gfx blocks */
1305 grbm_reset = (SOFT_RESET_CP |
1319 dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1320 WREG32(GRBM_SOFT_RESET, grbm_reset);
1321 (void)RREG32(GRBM_SOFT_RESET);
1323 WREG32(GRBM_SOFT_RESET, 0);
1324 (void)RREG32(GRBM_SOFT_RESET);
1325 /* Wait a little for things to settle down */
1327 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
1328 RREG32(GRBM_STATUS));
1329 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
1330 RREG32(GRBM_STATUS_SE0));
1331 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
1332 RREG32(GRBM_STATUS_SE1));
1333 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
1334 RREG32(SRBM_STATUS));
1335 evergreen_mc_resume(rdev, &save);
1339 int cayman_asic_reset(struct radeon_device *rdev)
1341 return cayman_gpu_soft_reset(rdev);
1344 static int cayman_startup(struct radeon_device *rdev)
1346 struct radeon_cp *cp = &rdev->cp;
1349 /* enable pcie gen2 link */
1350 evergreen_pcie_gen2_enable(rdev);
1352 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
1353 r = ni_init_microcode(rdev);
1355 DRM_ERROR("Failed to load firmware!\n");
1359 r = ni_mc_load_microcode(rdev);
1361 DRM_ERROR("Failed to load MC firmware!\n");
1365 r = r600_vram_scratch_init(rdev);
1369 evergreen_mc_program(rdev);
1370 r = cayman_pcie_gart_enable(rdev);
1373 cayman_gpu_init(rdev);
1375 r = evergreen_blit_init(rdev);
1377 r600_blit_fini(rdev);
1378 rdev->asic->copy = NULL;
1379 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1382 /* allocate wb buffer */
1383 r = radeon_wb_init(rdev);
1388 r = r600_irq_init(rdev);
1390 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1391 radeon_irq_kms_fini(rdev);
1394 evergreen_irq_set(rdev);
1396 r = radeon_ring_init(rdev, cp, cp->ring_size);
1399 r = cayman_cp_load_microcode(rdev);
1402 r = cayman_cp_resume(rdev);
1409 int cayman_resume(struct radeon_device *rdev)
1413 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1414 * posting will perform necessary task to bring back GPU into good
1418 atom_asic_init(rdev->mode_info.atom_context);
1420 r = cayman_startup(rdev);
1422 DRM_ERROR("cayman startup failed on resume\n");
1426 r = r600_ib_test(rdev, RADEON_RING_TYPE_GFX_INDEX);
1428 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
1436 int cayman_suspend(struct radeon_device *rdev)
1438 /* FIXME: we should wait for ring to be empty */
1439 cayman_cp_enable(rdev, false);
1440 rdev->cp.ready = false;
1441 evergreen_irq_suspend(rdev);
1442 radeon_wb_disable(rdev);
1443 cayman_pcie_gart_disable(rdev);
1444 r600_blit_suspend(rdev);
1449 /* Plan is to move initialization in that function and use
1450 * helper function so that radeon_device_init pretty much
1451 * do nothing more than calling asic specific function. This
1452 * should also allow to remove a bunch of callback function
1455 int cayman_init(struct radeon_device *rdev)
1457 struct radeon_cp *cp = &rdev->cp;
1460 /* This don't do much */
1461 r = radeon_gem_init(rdev);
1465 if (!radeon_get_bios(rdev)) {
1466 if (ASIC_IS_AVIVO(rdev))
1469 /* Must be an ATOMBIOS */
1470 if (!rdev->is_atom_bios) {
1471 dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
1474 r = radeon_atombios_init(rdev);
1478 /* Post card if necessary */
1479 if (!radeon_card_posted(rdev)) {
1481 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1484 DRM_INFO("GPU not posted. posting now...\n");
1485 atom_asic_init(rdev->mode_info.atom_context);
1487 /* Initialize scratch registers */
1488 r600_scratch_init(rdev);
1489 /* Initialize surface registers */
1490 radeon_surface_init(rdev);
1491 /* Initialize clocks */
1492 radeon_get_clock_info(rdev->ddev);
1494 r = radeon_fence_driver_init(rdev, 3);
1497 /* initialize memory controller */
1498 r = evergreen_mc_init(rdev);
1501 /* Memory manager */
1502 r = radeon_bo_init(rdev);
1506 r = radeon_irq_kms_init(rdev);
1510 cp->ring_obj = NULL;
1511 r600_ring_init(rdev, cp, 1024 * 1024);
1513 rdev->ih.ring_obj = NULL;
1514 r600_ih_ring_init(rdev, 64 * 1024);
1516 r = r600_pcie_gart_init(rdev);
1520 rdev->accel_working = true;
1521 r = cayman_startup(rdev);
1523 dev_err(rdev->dev, "disabling GPU acceleration\n");
1524 cayman_cp_fini(rdev);
1525 r600_irq_fini(rdev);
1526 radeon_wb_fini(rdev);
1527 radeon_irq_kms_fini(rdev);
1528 cayman_pcie_gart_fini(rdev);
1529 rdev->accel_working = false;
1531 if (rdev->accel_working) {
1532 r = radeon_ib_pool_init(rdev);
1534 DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
1535 rdev->accel_working = false;
1537 r = r600_ib_test(rdev, RADEON_RING_TYPE_GFX_INDEX);
1539 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
1540 rdev->accel_working = false;
1544 /* Don't start up if the MC ucode is missing.
1545 * The default clocks and voltages before the MC ucode
1546 * is loaded are not suffient for advanced operations.
1549 DRM_ERROR("radeon: MC ucode required for NI+.\n");
1556 void cayman_fini(struct radeon_device *rdev)
1558 r600_blit_fini(rdev);
1559 cayman_cp_fini(rdev);
1560 r600_irq_fini(rdev);
1561 radeon_wb_fini(rdev);
1562 radeon_ib_pool_fini(rdev);
1563 radeon_irq_kms_fini(rdev);
1564 cayman_pcie_gart_fini(rdev);
1565 r600_vram_scratch_fini(rdev);
1566 radeon_gem_fini(rdev);
1567 radeon_semaphore_driver_fini(rdev);
1568 radeon_fence_driver_fini(rdev);
1569 radeon_bo_fini(rdev);
1570 radeon_atombios_fini(rdev);