1  /*
2   * Copyright 2013 Red Hat Inc.
3   *
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:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
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.
21   *
22   * Authors: Ben Skeggs
23   */
24  #define gk104_ram(p) container_of((p), struct gk104_ram, base)
25  #include "ram.h"
26  #include "ramfuc.h"
27  
28  #include <core/option.h>
29  #include <subdev/bios.h>
30  #include <subdev/bios/init.h>
31  #include <subdev/bios/M0205.h>
32  #include <subdev/bios/M0209.h>
33  #include <subdev/bios/pll.h>
34  #include <subdev/bios/rammap.h>
35  #include <subdev/bios/timing.h>
36  #include <subdev/clk.h>
37  #include <subdev/clk/pll.h>
38  #include <subdev/gpio.h>
39  
40  struct gk104_ramfuc {
41  	struct ramfuc base;
42  
43  	struct nvbios_pll refpll;
44  	struct nvbios_pll mempll;
45  
46  	struct ramfuc_reg r_gpioMV;
47  	u32 r_funcMV[2];
48  	struct ramfuc_reg r_gpio2E;
49  	u32 r_func2E[2];
50  	struct ramfuc_reg r_gpiotrig;
51  
52  	struct ramfuc_reg r_0x132020;
53  	struct ramfuc_reg r_0x132028;
54  	struct ramfuc_reg r_0x132024;
55  	struct ramfuc_reg r_0x132030;
56  	struct ramfuc_reg r_0x132034;
57  	struct ramfuc_reg r_0x132000;
58  	struct ramfuc_reg r_0x132004;
59  	struct ramfuc_reg r_0x132040;
60  
61  	struct ramfuc_reg r_0x10f248;
62  	struct ramfuc_reg r_0x10f290;
63  	struct ramfuc_reg r_0x10f294;
64  	struct ramfuc_reg r_0x10f298;
65  	struct ramfuc_reg r_0x10f29c;
66  	struct ramfuc_reg r_0x10f2a0;
67  	struct ramfuc_reg r_0x10f2a4;
68  	struct ramfuc_reg r_0x10f2a8;
69  	struct ramfuc_reg r_0x10f2ac;
70  	struct ramfuc_reg r_0x10f2cc;
71  	struct ramfuc_reg r_0x10f2e8;
72  	struct ramfuc_reg r_0x10f250;
73  	struct ramfuc_reg r_0x10f24c;
74  	struct ramfuc_reg r_0x10fec4;
75  	struct ramfuc_reg r_0x10fec8;
76  	struct ramfuc_reg r_0x10f604;
77  	struct ramfuc_reg r_0x10f614;
78  	struct ramfuc_reg r_0x10f610;
79  	struct ramfuc_reg r_0x100770;
80  	struct ramfuc_reg r_0x100778;
81  	struct ramfuc_reg r_0x10f224;
82  
83  	struct ramfuc_reg r_0x10f870;
84  	struct ramfuc_reg r_0x10f698;
85  	struct ramfuc_reg r_0x10f694;
86  	struct ramfuc_reg r_0x10f6b8;
87  	struct ramfuc_reg r_0x10f808;
88  	struct ramfuc_reg r_0x10f670;
89  	struct ramfuc_reg r_0x10f60c;
90  	struct ramfuc_reg r_0x10f830;
91  	struct ramfuc_reg r_0x1373ec;
92  	struct ramfuc_reg r_0x10f800;
93  	struct ramfuc_reg r_0x10f82c;
94  
95  	struct ramfuc_reg r_0x10f978;
96  	struct ramfuc_reg r_0x10f910;
97  	struct ramfuc_reg r_0x10f914;
98  
99  	struct ramfuc_reg r_mr[16]; /* MR0 - MR8, MR15 */
100  
101  	struct ramfuc_reg r_0x62c000;
102  
103  	struct ramfuc_reg r_0x10f200;
104  
105  	struct ramfuc_reg r_0x10f210;
106  	struct ramfuc_reg r_0x10f310;
107  	struct ramfuc_reg r_0x10f314;
108  	struct ramfuc_reg r_0x10f318;
109  	struct ramfuc_reg r_0x10f090;
110  	struct ramfuc_reg r_0x10f69c;
111  	struct ramfuc_reg r_0x10f824;
112  	struct ramfuc_reg r_0x1373f0;
113  	struct ramfuc_reg r_0x1373f4;
114  	struct ramfuc_reg r_0x137320;
115  	struct ramfuc_reg r_0x10f65c;
116  	struct ramfuc_reg r_0x10f6bc;
117  	struct ramfuc_reg r_0x100710;
118  	struct ramfuc_reg r_0x100750;
119  };
120  
121  struct gk104_ram {
122  	struct nvkm_ram base;
123  	struct gk104_ramfuc fuc;
124  
125  	struct list_head cfg;
126  	u32 parts;
127  	u32 pmask;
128  	u32 pnuts;
129  
130  	struct nvbios_ramcfg diff;
131  	int from;
132  	int mode;
133  	int N1, fN1, M1, P1;
134  	int N2, M2, P2;
135  };
136  
137  /*******************************************************************************
138   * GDDR5
139   ******************************************************************************/
140  static void
gk104_ram_train(struct gk104_ramfuc * fuc,u32 mask,u32 data)141  gk104_ram_train(struct gk104_ramfuc *fuc, u32 mask, u32 data)
142  {
143  	struct gk104_ram *ram = container_of(fuc, typeof(*ram), fuc);
144  	u32 addr = 0x110974, i;
145  
146  	ram_mask(fuc, 0x10f910, mask, data);
147  	ram_mask(fuc, 0x10f914, mask, data);
148  
149  	for (i = 0; (data & 0x80000000) && i < ram->parts; addr += 0x1000, i++) {
150  		if (ram->pmask & (1 << i))
151  			continue;
152  		ram_wait(fuc, addr, 0x0000000f, 0x00000000, 500000);
153  	}
154  }
155  
156  static void
r1373f4_init(struct gk104_ramfuc * fuc)157  r1373f4_init(struct gk104_ramfuc *fuc)
158  {
159  	struct gk104_ram *ram = container_of(fuc, typeof(*ram), fuc);
160  	const u32 mcoef = ((--ram->P2 << 28) | (ram->N2 << 8) | ram->M2);
161  	const u32 rcoef = ((  ram->P1 << 16) | (ram->N1 << 8) | ram->M1);
162  	const u32 runk0 = ram->fN1 << 16;
163  	const u32 runk1 = ram->fN1;
164  
165  	if (ram->from == 2) {
166  		ram_mask(fuc, 0x1373f4, 0x00000000, 0x00001100);
167  		ram_mask(fuc, 0x1373f4, 0x00000000, 0x00000010);
168  	} else {
169  		ram_mask(fuc, 0x1373f4, 0x00000000, 0x00010010);
170  	}
171  
172  	ram_mask(fuc, 0x1373f4, 0x00000003, 0x00000000);
173  	ram_mask(fuc, 0x1373f4, 0x00000010, 0x00000000);
174  
175  	/* (re)program refpll, if required */
176  	if ((ram_rd32(fuc, 0x132024) & 0xffffffff) != rcoef ||
177  	    (ram_rd32(fuc, 0x132034) & 0x0000ffff) != runk1) {
178  		ram_mask(fuc, 0x132000, 0x00000001, 0x00000000);
179  		ram_mask(fuc, 0x132020, 0x00000001, 0x00000000);
180  		ram_wr32(fuc, 0x137320, 0x00000000);
181  		ram_mask(fuc, 0x132030, 0xffff0000, runk0);
182  		ram_mask(fuc, 0x132034, 0x0000ffff, runk1);
183  		ram_wr32(fuc, 0x132024, rcoef);
184  		ram_mask(fuc, 0x132028, 0x00080000, 0x00080000);
185  		ram_mask(fuc, 0x132020, 0x00000001, 0x00000001);
186  		ram_wait(fuc, 0x137390, 0x00020000, 0x00020000, 64000);
187  		ram_mask(fuc, 0x132028, 0x00080000, 0x00000000);
188  	}
189  
190  	/* (re)program mempll, if required */
191  	if (ram->mode == 2) {
192  		ram_mask(fuc, 0x1373f4, 0x00010000, 0x00000000);
193  		ram_mask(fuc, 0x132000, 0x80000000, 0x80000000);
194  		ram_mask(fuc, 0x132000, 0x00000001, 0x00000000);
195  		ram_mask(fuc, 0x132004, 0x103fffff, mcoef);
196  		ram_mask(fuc, 0x132000, 0x00000001, 0x00000001);
197  		ram_wait(fuc, 0x137390, 0x00000002, 0x00000002, 64000);
198  		ram_mask(fuc, 0x1373f4, 0x00000000, 0x00001100);
199  	} else {
200  		ram_mask(fuc, 0x1373f4, 0x00000000, 0x00010100);
201  	}
202  
203  	ram_mask(fuc, 0x1373f4, 0x00000000, 0x00000010);
204  }
205  
206  static void
r1373f4_fini(struct gk104_ramfuc * fuc)207  r1373f4_fini(struct gk104_ramfuc *fuc)
208  {
209  	struct gk104_ram *ram = container_of(fuc, typeof(*ram), fuc);
210  	struct nvkm_ram_data *next = ram->base.next;
211  	u8 v0 = next->bios.ramcfg_11_03_c0;
212  	u8 v1 = next->bios.ramcfg_11_03_30;
213  	u32 tmp;
214  
215  	tmp = ram_rd32(fuc, 0x1373ec) & ~0x00030000;
216  	ram_wr32(fuc, 0x1373ec, tmp | (v1 << 16));
217  	ram_mask(fuc, 0x1373f0, (~ram->mode & 3), 0x00000000);
218  	if (ram->mode == 2) {
219  		ram_mask(fuc, 0x1373f4, 0x00000003, 0x00000002);
220  		ram_mask(fuc, 0x1373f4, 0x00001100, 0x00000000);
221  	} else {
222  		ram_mask(fuc, 0x1373f4, 0x00000003, 0x00000001);
223  		ram_mask(fuc, 0x1373f4, 0x00010000, 0x00000000);
224  	}
225  	ram_mask(fuc, 0x10f800, 0x00000030, (v0 ^ v1) << 4);
226  }
227  
228  static void
gk104_ram_nuts(struct gk104_ram * ram,struct ramfuc_reg * reg,u32 _mask,u32 _data,u32 _copy)229  gk104_ram_nuts(struct gk104_ram *ram, struct ramfuc_reg *reg,
230  	       u32 _mask, u32 _data, u32 _copy)
231  {
232  	struct nvkm_fb *fb = ram->base.fb;
233  	struct ramfuc *fuc = &ram->fuc.base;
234  	struct nvkm_device *device = fb->subdev.device;
235  	u32 addr = 0x110000 + (reg->addr & 0xfff);
236  	u32 mask = _mask | _copy;
237  	u32 data = (_data & _mask) | (reg->data & _copy);
238  	u32 i;
239  
240  	for (i = 0; i < 16; i++, addr += 0x1000) {
241  		if (ram->pnuts & (1 << i)) {
242  			u32 prev = nvkm_rd32(device, addr);
243  			u32 next = (prev & ~mask) | data;
244  			nvkm_memx_wr32(fuc->memx, addr, next);
245  		}
246  	}
247  }
248  #define ram_nuts(s,r,m,d,c)                                                    \
249  	gk104_ram_nuts((s), &(s)->fuc.r_##r, (m), (d), (c))
250  
251  static int
gk104_ram_calc_gddr5(struct gk104_ram * ram,u32 freq)252  gk104_ram_calc_gddr5(struct gk104_ram *ram, u32 freq)
253  {
254  	struct gk104_ramfuc *fuc = &ram->fuc;
255  	struct nvkm_ram_data *next = ram->base.next;
256  	int vc = !next->bios.ramcfg_11_02_08;
257  	int mv = !next->bios.ramcfg_11_02_04;
258  	u32 mask, data;
259  
260  	ram_mask(fuc, 0x10f808, 0x40000000, 0x40000000);
261  	ram_block(fuc);
262  
263  	if (ram->base.fb->subdev.device->disp)
264  		ram_wr32(fuc, 0x62c000, 0x0f0f0000);
265  
266  	/* MR1: turn termination on early, for some reason.. */
267  	if ((ram->base.mr[1] & 0x03c) != 0x030) {
268  		ram_mask(fuc, mr[1], 0x03c, ram->base.mr[1] & 0x03c);
269  		ram_nuts(ram, mr[1], 0x03c, ram->base.mr1_nuts & 0x03c, 0x000);
270  	}
271  
272  	if (vc == 1 && ram_have(fuc, gpio2E)) {
273  		u32 temp  = ram_mask(fuc, gpio2E, 0x3000, fuc->r_func2E[1]);
274  		if (temp != ram_rd32(fuc, gpio2E)) {
275  			ram_wr32(fuc, gpiotrig, 1);
276  			ram_nsec(fuc, 20000);
277  		}
278  	}
279  
280  	ram_mask(fuc, 0x10f200, 0x00000800, 0x00000000);
281  
282  	gk104_ram_train(fuc, 0x01020000, 0x000c0000);
283  
284  	ram_wr32(fuc, 0x10f210, 0x00000000); /* REFRESH_AUTO = 0 */
285  	ram_nsec(fuc, 1000);
286  	ram_wr32(fuc, 0x10f310, 0x00000001); /* REFRESH */
287  	ram_nsec(fuc, 1000);
288  
289  	ram_mask(fuc, 0x10f200, 0x80000000, 0x80000000);
290  	ram_wr32(fuc, 0x10f314, 0x00000001); /* PRECHARGE */
291  	ram_mask(fuc, 0x10f200, 0x80000000, 0x00000000);
292  	ram_wr32(fuc, 0x10f090, 0x00000061);
293  	ram_wr32(fuc, 0x10f090, 0xc000007f);
294  	ram_nsec(fuc, 1000);
295  
296  	ram_wr32(fuc, 0x10f698, 0x00000000);
297  	ram_wr32(fuc, 0x10f69c, 0x00000000);
298  
299  	/*XXX: there does appear to be some kind of condition here, simply
300  	 *     modifying these bits in the vbios from the default pl0
301  	 *     entries shows no change.  however, the data does appear to
302  	 *     be correct and may be required for the transition back
303  	 */
304  	mask = 0x800f07e0;
305  	data = 0x00030000;
306  	if (ram_rd32(fuc, 0x10f978) & 0x00800000)
307  		data |= 0x00040000;
308  
309  	if (1) {
310  		data |= 0x800807e0;
311  		switch (next->bios.ramcfg_11_03_c0) {
312  		case 3: data &= ~0x00000040; break;
313  		case 2: data &= ~0x00000100; break;
314  		case 1: data &= ~0x80000000; break;
315  		case 0: data &= ~0x00000400; break;
316  		}
317  
318  		switch (next->bios.ramcfg_11_03_30) {
319  		case 3: data &= ~0x00000020; break;
320  		case 2: data &= ~0x00000080; break;
321  		case 1: data &= ~0x00080000; break;
322  		case 0: data &= ~0x00000200; break;
323  		}
324  	}
325  
326  	if (next->bios.ramcfg_11_02_80)
327  		mask |= 0x03000000;
328  	if (next->bios.ramcfg_11_02_40)
329  		mask |= 0x00002000;
330  	if (next->bios.ramcfg_11_07_10)
331  		mask |= 0x00004000;
332  	if (next->bios.ramcfg_11_07_08)
333  		mask |= 0x00000003;
334  	else {
335  		mask |= 0x34000000;
336  		if (ram_rd32(fuc, 0x10f978) & 0x00800000)
337  			mask |= 0x40000000;
338  	}
339  	ram_mask(fuc, 0x10f824, mask, data);
340  
341  	ram_mask(fuc, 0x132040, 0x00010000, 0x00000000);
342  
343  	if (ram->from == 2 && ram->mode != 2) {
344  		ram_mask(fuc, 0x10f808, 0x00080000, 0x00000000);
345  		ram_mask(fuc, 0x10f200, 0x18008000, 0x00008000);
346  		ram_mask(fuc, 0x10f800, 0x00000000, 0x00000004);
347  		ram_mask(fuc, 0x10f830, 0x00008000, 0x01040010);
348  		ram_mask(fuc, 0x10f830, 0x01000000, 0x00000000);
349  		r1373f4_init(fuc);
350  		ram_mask(fuc, 0x1373f0, 0x00000002, 0x00000001);
351  		r1373f4_fini(fuc);
352  		ram_mask(fuc, 0x10f830, 0x00c00000, 0x00240001);
353  	} else
354  	if (ram->from != 2 && ram->mode != 2) {
355  		r1373f4_init(fuc);
356  		r1373f4_fini(fuc);
357  	}
358  
359  	if (ram_have(fuc, gpioMV)) {
360  		u32 temp  = ram_mask(fuc, gpioMV, 0x3000, fuc->r_funcMV[mv]);
361  		if (temp != ram_rd32(fuc, gpioMV)) {
362  			ram_wr32(fuc, gpiotrig, 1);
363  			ram_nsec(fuc, 64000);
364  		}
365  	}
366  
367  	if (next->bios.ramcfg_11_02_40 ||
368  	    next->bios.ramcfg_11_07_10) {
369  		ram_mask(fuc, 0x132040, 0x00010000, 0x00010000);
370  		ram_nsec(fuc, 20000);
371  	}
372  
373  	if (ram->from != 2 && ram->mode == 2) {
374  		if (0 /*XXX: Titan */)
375  			ram_mask(fuc, 0x10f200, 0x18000000, 0x18000000);
376  		ram_mask(fuc, 0x10f800, 0x00000004, 0x00000000);
377  		ram_mask(fuc, 0x1373f0, 0x00000000, 0x00000002);
378  		ram_mask(fuc, 0x10f830, 0x00800001, 0x00408010);
379  		r1373f4_init(fuc);
380  		r1373f4_fini(fuc);
381  		ram_mask(fuc, 0x10f808, 0x00000000, 0x00080000);
382  		ram_mask(fuc, 0x10f200, 0x00808000, 0x00800000);
383  	} else
384  	if (ram->from == 2 && ram->mode == 2) {
385  		ram_mask(fuc, 0x10f800, 0x00000004, 0x00000000);
386  		r1373f4_init(fuc);
387  		r1373f4_fini(fuc);
388  	}
389  
390  	if (ram->mode != 2) /*XXX*/ {
391  		if (next->bios.ramcfg_11_07_40)
392  			ram_mask(fuc, 0x10f670, 0x80000000, 0x80000000);
393  	}
394  
395  	ram_wr32(fuc, 0x10f65c, 0x00000011 * next->bios.rammap_11_11_0c);
396  	ram_wr32(fuc, 0x10f6b8, 0x01010101 * next->bios.ramcfg_11_09);
397  	ram_wr32(fuc, 0x10f6bc, 0x01010101 * next->bios.ramcfg_11_09);
398  
399  	if (!next->bios.ramcfg_11_07_08 && !next->bios.ramcfg_11_07_04) {
400  		ram_wr32(fuc, 0x10f698, 0x01010101 * next->bios.ramcfg_11_04);
401  		ram_wr32(fuc, 0x10f69c, 0x01010101 * next->bios.ramcfg_11_04);
402  	} else
403  	if (!next->bios.ramcfg_11_07_08) {
404  		ram_wr32(fuc, 0x10f698, 0x00000000);
405  		ram_wr32(fuc, 0x10f69c, 0x00000000);
406  	}
407  
408  	if (ram->mode != 2) {
409  		u32 data = 0x01000100 * next->bios.ramcfg_11_04;
410  		ram_nuke(fuc, 0x10f694);
411  		ram_mask(fuc, 0x10f694, 0xff00ff00, data);
412  	}
413  
414  	if (ram->mode == 2 && next->bios.ramcfg_11_08_10)
415  		data = 0x00000080;
416  	else
417  		data = 0x00000000;
418  	ram_mask(fuc, 0x10f60c, 0x00000080, data);
419  
420  	mask = 0x00070000;
421  	data = 0x00000000;
422  	if (!next->bios.ramcfg_11_02_80)
423  		data |= 0x03000000;
424  	if (!next->bios.ramcfg_11_02_40)
425  		data |= 0x00002000;
426  	if (!next->bios.ramcfg_11_07_10)
427  		data |= 0x00004000;
428  	if (!next->bios.ramcfg_11_07_08)
429  		data |= 0x00000003;
430  	else
431  		data |= 0x74000000;
432  	ram_mask(fuc, 0x10f824, mask, data);
433  
434  	if (next->bios.ramcfg_11_01_08)
435  		data = 0x00000000;
436  	else
437  		data = 0x00001000;
438  	ram_mask(fuc, 0x10f200, 0x00001000, data);
439  
440  	if (ram_rd32(fuc, 0x10f670) & 0x80000000) {
441  		ram_nsec(fuc, 10000);
442  		ram_mask(fuc, 0x10f670, 0x80000000, 0x00000000);
443  	}
444  
445  	if (next->bios.ramcfg_11_08_01)
446  		data = 0x00100000;
447  	else
448  		data = 0x00000000;
449  	ram_mask(fuc, 0x10f82c, 0x00100000, data);
450  
451  	data = 0x00000000;
452  	if (next->bios.ramcfg_11_08_08)
453  		data |= 0x00002000;
454  	if (next->bios.ramcfg_11_08_04)
455  		data |= 0x00001000;
456  	if (next->bios.ramcfg_11_08_02)
457  		data |= 0x00004000;
458  	ram_mask(fuc, 0x10f830, 0x00007000, data);
459  
460  	/* PFB timing */
461  	ram_mask(fuc, 0x10f248, 0xffffffff, next->bios.timing[10]);
462  	ram_mask(fuc, 0x10f290, 0xffffffff, next->bios.timing[0]);
463  	ram_mask(fuc, 0x10f294, 0xffffffff, next->bios.timing[1]);
464  	ram_mask(fuc, 0x10f298, 0xffffffff, next->bios.timing[2]);
465  	ram_mask(fuc, 0x10f29c, 0xffffffff, next->bios.timing[3]);
466  	ram_mask(fuc, 0x10f2a0, 0xffffffff, next->bios.timing[4]);
467  	ram_mask(fuc, 0x10f2a4, 0xffffffff, next->bios.timing[5]);
468  	ram_mask(fuc, 0x10f2a8, 0xffffffff, next->bios.timing[6]);
469  	ram_mask(fuc, 0x10f2ac, 0xffffffff, next->bios.timing[7]);
470  	ram_mask(fuc, 0x10f2cc, 0xffffffff, next->bios.timing[8]);
471  	ram_mask(fuc, 0x10f2e8, 0xffffffff, next->bios.timing[9]);
472  
473  	data = mask = 0x00000000;
474  	if (ram->diff.ramcfg_11_08_20) {
475  		if (next->bios.ramcfg_11_08_20)
476  			data |= 0x01000000;
477  		mask |= 0x01000000;
478  	}
479  	ram_mask(fuc, 0x10f200, mask, data);
480  
481  	data = mask = 0x00000000;
482  	if (ram->diff.ramcfg_11_02_03) {
483  		data |= next->bios.ramcfg_11_02_03 << 8;
484  		mask |= 0x00000300;
485  	}
486  	if (ram->diff.ramcfg_11_01_10) {
487  		if (next->bios.ramcfg_11_01_10)
488  			data |= 0x70000000;
489  		mask |= 0x70000000;
490  	}
491  	ram_mask(fuc, 0x10f604, mask, data);
492  
493  	data = mask = 0x00000000;
494  	if (ram->diff.timing_20_30_07) {
495  		data |= next->bios.timing_20_30_07 << 28;
496  		mask |= 0x70000000;
497  	}
498  	if (ram->diff.ramcfg_11_01_01) {
499  		if (next->bios.ramcfg_11_01_01)
500  			data |= 0x00000100;
501  		mask |= 0x00000100;
502  	}
503  	ram_mask(fuc, 0x10f614, mask, data);
504  
505  	data = mask = 0x00000000;
506  	if (ram->diff.timing_20_30_07) {
507  		data |= next->bios.timing_20_30_07 << 28;
508  		mask |= 0x70000000;
509  	}
510  	if (ram->diff.ramcfg_11_01_02) {
511  		if (next->bios.ramcfg_11_01_02)
512  			data |= 0x00000100;
513  		mask |= 0x00000100;
514  	}
515  	ram_mask(fuc, 0x10f610, mask, data);
516  
517  	mask = 0x33f00000;
518  	data = 0x00000000;
519  	if (!next->bios.ramcfg_11_01_04)
520  		data |= 0x20200000;
521  	if (!next->bios.ramcfg_11_07_80)
522  		data |= 0x12800000;
523  	/*XXX: see note above about there probably being some condition
524  	 *     for the 10f824 stuff that uses ramcfg 3...
525  	 */
526  	if (next->bios.ramcfg_11_03_f0) {
527  		if (next->bios.rammap_11_08_0c) {
528  			if (!next->bios.ramcfg_11_07_80)
529  				mask |= 0x00000020;
530  			else
531  				data |= 0x00000020;
532  			mask |= 0x00000004;
533  		}
534  	} else {
535  		mask |= 0x40000020;
536  		data |= 0x00000004;
537  	}
538  
539  	ram_mask(fuc, 0x10f808, mask, data);
540  
541  	ram_wr32(fuc, 0x10f870, 0x11111111 * next->bios.ramcfg_11_03_0f);
542  
543  	data = mask = 0x00000000;
544  	if (ram->diff.ramcfg_11_02_03) {
545  		data |= next->bios.ramcfg_11_02_03;
546  		mask |= 0x00000003;
547  	}
548  	if (ram->diff.ramcfg_11_01_10) {
549  		if (next->bios.ramcfg_11_01_10)
550  			data |= 0x00000004;
551  		mask |= 0x00000004;
552  	}
553  
554  	if ((ram_mask(fuc, 0x100770, mask, data) & mask & 4) != (data & 4)) {
555  		ram_mask(fuc, 0x100750, 0x00000008, 0x00000008);
556  		ram_wr32(fuc, 0x100710, 0x00000000);
557  		ram_wait(fuc, 0x100710, 0x80000000, 0x80000000, 200000);
558  	}
559  
560  	data = next->bios.timing_20_30_07 << 8;
561  	if (next->bios.ramcfg_11_01_01)
562  		data |= 0x80000000;
563  	ram_mask(fuc, 0x100778, 0x00000700, data);
564  
565  	ram_mask(fuc, 0x10f250, 0x000003f0, next->bios.timing_20_2c_003f << 4);
566  	data = (next->bios.timing[10] & 0x7f000000) >> 24;
567  	if (data < next->bios.timing_20_2c_1fc0)
568  		data = next->bios.timing_20_2c_1fc0;
569  	ram_mask(fuc, 0x10f24c, 0x7f000000, data << 24);
570  	ram_mask(fuc, 0x10f224, 0x001f0000, next->bios.timing_20_30_f8 << 16);
571  
572  	ram_mask(fuc, 0x10fec4, 0x041e0f07, next->bios.timing_20_31_0800 << 26 |
573  					    next->bios.timing_20_31_0780 << 17 |
574  					    next->bios.timing_20_31_0078 << 8 |
575  					    next->bios.timing_20_31_0007);
576  	ram_mask(fuc, 0x10fec8, 0x00000027, next->bios.timing_20_31_8000 << 5 |
577  					    next->bios.timing_20_31_7000);
578  
579  	ram_wr32(fuc, 0x10f090, 0x4000007e);
580  	ram_nsec(fuc, 2000);
581  	ram_wr32(fuc, 0x10f314, 0x00000001); /* PRECHARGE */
582  	ram_wr32(fuc, 0x10f310, 0x00000001); /* REFRESH */
583  	ram_wr32(fuc, 0x10f210, 0x80000000); /* REFRESH_AUTO = 1 */
584  
585  	if (next->bios.ramcfg_11_08_10 && (ram->mode == 2) /*XXX*/) {
586  		u32 temp = ram_mask(fuc, 0x10f294, 0xff000000, 0x24000000);
587  		gk104_ram_train(fuc, 0xbc0e0000, 0xa4010000); /*XXX*/
588  		ram_nsec(fuc, 1000);
589  		ram_wr32(fuc, 0x10f294, temp);
590  	}
591  
592  	ram_mask(fuc, mr[3], 0xfff, ram->base.mr[3]);
593  	ram_wr32(fuc, mr[0], ram->base.mr[0]);
594  	ram_mask(fuc, mr[8], 0xfff, ram->base.mr[8]);
595  	ram_nsec(fuc, 1000);
596  	ram_mask(fuc, mr[1], 0xfff, ram->base.mr[1]);
597  	ram_mask(fuc, mr[5], 0xfff, ram->base.mr[5] & ~0x004); /* LP3 later */
598  	ram_mask(fuc, mr[6], 0xfff, ram->base.mr[6]);
599  	ram_mask(fuc, mr[7], 0xfff, ram->base.mr[7]);
600  
601  	if (vc == 0 && ram_have(fuc, gpio2E)) {
602  		u32 temp  = ram_mask(fuc, gpio2E, 0x3000, fuc->r_func2E[0]);
603  		if (temp != ram_rd32(fuc, gpio2E)) {
604  			ram_wr32(fuc, gpiotrig, 1);
605  			ram_nsec(fuc, 20000);
606  		}
607  	}
608  
609  	ram_mask(fuc, 0x10f200, 0x80000000, 0x80000000);
610  	ram_wr32(fuc, 0x10f318, 0x00000001); /* NOP? */
611  	ram_mask(fuc, 0x10f200, 0x80000000, 0x00000000);
612  	ram_nsec(fuc, 1000);
613  	ram_nuts(ram, 0x10f200, 0x18808800, 0x00000000, 0x18808800);
614  
615  	data  = ram_rd32(fuc, 0x10f978);
616  	data &= ~0x00046144;
617  	data |=  0x0000000b;
618  	if (!next->bios.ramcfg_11_07_08) {
619  		if (!next->bios.ramcfg_11_07_04)
620  			data |= 0x0000200c;
621  		else
622  			data |= 0x00000000;
623  	} else {
624  		data |= 0x00040044;
625  	}
626  	ram_wr32(fuc, 0x10f978, data);
627  
628  	if (ram->mode == 1) {
629  		data = ram_rd32(fuc, 0x10f830) | 0x00000001;
630  		ram_wr32(fuc, 0x10f830, data);
631  	}
632  
633  	if (!next->bios.ramcfg_11_07_08) {
634  		data = 0x88020000;
635  		if ( next->bios.ramcfg_11_07_04)
636  			data |= 0x10000000;
637  		if (!next->bios.rammap_11_08_10)
638  			data |= 0x00080000;
639  	} else {
640  		data = 0xa40e0000;
641  	}
642  	gk104_ram_train(fuc, 0xbc0f0000, data);
643  	if (1) /* XXX: not always? */
644  		ram_nsec(fuc, 1000);
645  
646  	if (ram->mode == 2) { /*XXX*/
647  		ram_mask(fuc, 0x10f800, 0x00000004, 0x00000004);
648  	}
649  
650  	/* LP3 */
651  	if (ram_mask(fuc, mr[5], 0x004, ram->base.mr[5]) != ram->base.mr[5])
652  		ram_nsec(fuc, 1000);
653  
654  	if (ram->mode != 2) {
655  		ram_mask(fuc, 0x10f830, 0x01000000, 0x01000000);
656  		ram_mask(fuc, 0x10f830, 0x01000000, 0x00000000);
657  	}
658  
659  	if (next->bios.ramcfg_11_07_02)
660  		gk104_ram_train(fuc, 0x80020000, 0x01000000);
661  
662  	ram_unblock(fuc);
663  
664  	if (ram->base.fb->subdev.device->disp)
665  		ram_wr32(fuc, 0x62c000, 0x0f0f0f00);
666  
667  	if (next->bios.rammap_11_08_01)
668  		data = 0x00000800;
669  	else
670  		data = 0x00000000;
671  	ram_mask(fuc, 0x10f200, 0x00000800, data);
672  	ram_nuts(ram, 0x10f200, 0x18808800, data, 0x18808800);
673  	return 0;
674  }
675  
676  /*******************************************************************************
677   * DDR3
678   ******************************************************************************/
679  
680  static void
nvkm_sddr3_dll_reset(struct gk104_ramfuc * fuc)681  nvkm_sddr3_dll_reset(struct gk104_ramfuc *fuc)
682  {
683  	ram_nuke(fuc, mr[0]);
684  	ram_mask(fuc, mr[0], 0x100, 0x100);
685  	ram_mask(fuc, mr[0], 0x100, 0x000);
686  }
687  
688  static void
nvkm_sddr3_dll_disable(struct gk104_ramfuc * fuc)689  nvkm_sddr3_dll_disable(struct gk104_ramfuc *fuc)
690  {
691  	u32 mr1_old = ram_rd32(fuc, mr[1]);
692  
693  	if (!(mr1_old & 0x1)) {
694  		ram_mask(fuc, mr[1], 0x1, 0x1);
695  		ram_nsec(fuc, 1000);
696  	}
697  }
698  
699  static int
gk104_ram_calc_sddr3(struct gk104_ram * ram,u32 freq)700  gk104_ram_calc_sddr3(struct gk104_ram *ram, u32 freq)
701  {
702  	struct gk104_ramfuc *fuc = &ram->fuc;
703  	const u32 rcoef = ((  ram->P1 << 16) | (ram->N1 << 8) | ram->M1);
704  	const u32 runk0 = ram->fN1 << 16;
705  	const u32 runk1 = ram->fN1;
706  	struct nvkm_ram_data *next = ram->base.next;
707  	int vc = !next->bios.ramcfg_11_02_08;
708  	int mv = !next->bios.ramcfg_11_02_04;
709  	u32 mask, data;
710  
711  	ram_mask(fuc, 0x10f808, 0x40000000, 0x40000000);
712  	ram_block(fuc);
713  
714  	if (ram->base.fb->subdev.device->disp)
715  		ram_wr32(fuc, 0x62c000, 0x0f0f0000);
716  
717  	if (vc == 1 && ram_have(fuc, gpio2E)) {
718  		u32 temp  = ram_mask(fuc, gpio2E, 0x3000, fuc->r_func2E[1]);
719  		if (temp != ram_rd32(fuc, gpio2E)) {
720  			ram_wr32(fuc, gpiotrig, 1);
721  			ram_nsec(fuc, 20000);
722  		}
723  	}
724  
725  	ram_mask(fuc, 0x10f200, 0x00000800, 0x00000000);
726  	if (next->bios.ramcfg_11_03_f0)
727  		ram_mask(fuc, 0x10f808, 0x04000000, 0x04000000);
728  
729  	ram_wr32(fuc, 0x10f314, 0x00000001); /* PRECHARGE */
730  
731  	if (next->bios.ramcfg_DLLoff)
732  		nvkm_sddr3_dll_disable(fuc);
733  
734  	ram_wr32(fuc, 0x10f210, 0x00000000); /* REFRESH_AUTO = 0 */
735  	ram_wr32(fuc, 0x10f310, 0x00000001); /* REFRESH */
736  	ram_mask(fuc, 0x10f200, 0x80000000, 0x80000000);
737  	ram_wr32(fuc, 0x10f310, 0x00000001); /* REFRESH */
738  	ram_mask(fuc, 0x10f200, 0x80000000, 0x00000000);
739  	ram_nsec(fuc, 1000);
740  
741  	ram_wr32(fuc, 0x10f090, 0x00000060);
742  	ram_wr32(fuc, 0x10f090, 0xc000007e);
743  
744  	/*XXX: there does appear to be some kind of condition here, simply
745  	 *     modifying these bits in the vbios from the default pl0
746  	 *     entries shows no change.  however, the data does appear to
747  	 *     be correct and may be required for the transition back
748  	 */
749  	mask = 0x00010000;
750  	data = 0x00010000;
751  
752  	if (1) {
753  		mask |= 0x800807e0;
754  		data |= 0x800807e0;
755  		switch (next->bios.ramcfg_11_03_c0) {
756  		case 3: data &= ~0x00000040; break;
757  		case 2: data &= ~0x00000100; break;
758  		case 1: data &= ~0x80000000; break;
759  		case 0: data &= ~0x00000400; break;
760  		}
761  
762  		switch (next->bios.ramcfg_11_03_30) {
763  		case 3: data &= ~0x00000020; break;
764  		case 2: data &= ~0x00000080; break;
765  		case 1: data &= ~0x00080000; break;
766  		case 0: data &= ~0x00000200; break;
767  		}
768  	}
769  
770  	if (next->bios.ramcfg_11_02_80)
771  		mask |= 0x03000000;
772  	if (next->bios.ramcfg_11_02_40)
773  		mask |= 0x00002000;
774  	if (next->bios.ramcfg_11_07_10)
775  		mask |= 0x00004000;
776  	if (next->bios.ramcfg_11_07_08)
777  		mask |= 0x00000003;
778  	else
779  		mask |= 0x14000000;
780  	ram_mask(fuc, 0x10f824, mask, data);
781  
782  	ram_mask(fuc, 0x132040, 0x00010000, 0x00000000);
783  
784  	ram_mask(fuc, 0x1373f4, 0x00000000, 0x00010010);
785  	data  = ram_rd32(fuc, 0x1373ec) & ~0x00030000;
786  	data |= next->bios.ramcfg_11_03_30 << 16;
787  	ram_wr32(fuc, 0x1373ec, data);
788  	ram_mask(fuc, 0x1373f4, 0x00000003, 0x00000000);
789  	ram_mask(fuc, 0x1373f4, 0x00000010, 0x00000000);
790  
791  	/* (re)program refpll, if required */
792  	if ((ram_rd32(fuc, 0x132024) & 0xffffffff) != rcoef ||
793  	    (ram_rd32(fuc, 0x132034) & 0x0000ffff) != runk1) {
794  		ram_mask(fuc, 0x132000, 0x00000001, 0x00000000);
795  		ram_mask(fuc, 0x132020, 0x00000001, 0x00000000);
796  		ram_wr32(fuc, 0x137320, 0x00000000);
797  		ram_mask(fuc, 0x132030, 0xffff0000, runk0);
798  		ram_mask(fuc, 0x132034, 0x0000ffff, runk1);
799  		ram_wr32(fuc, 0x132024, rcoef);
800  		ram_mask(fuc, 0x132028, 0x00080000, 0x00080000);
801  		ram_mask(fuc, 0x132020, 0x00000001, 0x00000001);
802  		ram_wait(fuc, 0x137390, 0x00020000, 0x00020000, 64000);
803  		ram_mask(fuc, 0x132028, 0x00080000, 0x00000000);
804  	}
805  
806  	ram_mask(fuc, 0x1373f4, 0x00000010, 0x00000010);
807  	ram_mask(fuc, 0x1373f4, 0x00000003, 0x00000001);
808  	ram_mask(fuc, 0x1373f4, 0x00010000, 0x00000000);
809  
810  	if (ram_have(fuc, gpioMV)) {
811  		u32 temp  = ram_mask(fuc, gpioMV, 0x3000, fuc->r_funcMV[mv]);
812  		if (temp != ram_rd32(fuc, gpioMV)) {
813  			ram_wr32(fuc, gpiotrig, 1);
814  			ram_nsec(fuc, 64000);
815  		}
816  	}
817  
818  	if (next->bios.ramcfg_11_02_40 ||
819  	    next->bios.ramcfg_11_07_10) {
820  		ram_mask(fuc, 0x132040, 0x00010000, 0x00010000);
821  		ram_nsec(fuc, 20000);
822  	}
823  
824  	if (ram->mode != 2) /*XXX*/ {
825  		if (next->bios.ramcfg_11_07_40)
826  			ram_mask(fuc, 0x10f670, 0x80000000, 0x80000000);
827  	}
828  
829  	ram_wr32(fuc, 0x10f65c, 0x00000011 * next->bios.rammap_11_11_0c);
830  	ram_wr32(fuc, 0x10f6b8, 0x01010101 * next->bios.ramcfg_11_09);
831  	ram_wr32(fuc, 0x10f6bc, 0x01010101 * next->bios.ramcfg_11_09);
832  
833  	mask = 0x00010000;
834  	data = 0x00000000;
835  	if (!next->bios.ramcfg_11_02_80)
836  		data |= 0x03000000;
837  	if (!next->bios.ramcfg_11_02_40)
838  		data |= 0x00002000;
839  	if (!next->bios.ramcfg_11_07_10)
840  		data |= 0x00004000;
841  	if (!next->bios.ramcfg_11_07_08)
842  		data |= 0x00000003;
843  	else
844  		data |= 0x14000000;
845  	ram_mask(fuc, 0x10f824, mask, data);
846  	ram_nsec(fuc, 1000);
847  
848  	if (next->bios.ramcfg_11_08_01)
849  		data = 0x00100000;
850  	else
851  		data = 0x00000000;
852  	ram_mask(fuc, 0x10f82c, 0x00100000, data);
853  
854  	/* PFB timing */
855  	ram_mask(fuc, 0x10f248, 0xffffffff, next->bios.timing[10]);
856  	ram_mask(fuc, 0x10f290, 0xffffffff, next->bios.timing[0]);
857  	ram_mask(fuc, 0x10f294, 0xffffffff, next->bios.timing[1]);
858  	ram_mask(fuc, 0x10f298, 0xffffffff, next->bios.timing[2]);
859  	ram_mask(fuc, 0x10f29c, 0xffffffff, next->bios.timing[3]);
860  	ram_mask(fuc, 0x10f2a0, 0xffffffff, next->bios.timing[4]);
861  	ram_mask(fuc, 0x10f2a4, 0xffffffff, next->bios.timing[5]);
862  	ram_mask(fuc, 0x10f2a8, 0xffffffff, next->bios.timing[6]);
863  	ram_mask(fuc, 0x10f2ac, 0xffffffff, next->bios.timing[7]);
864  	ram_mask(fuc, 0x10f2cc, 0xffffffff, next->bios.timing[8]);
865  	ram_mask(fuc, 0x10f2e8, 0xffffffff, next->bios.timing[9]);
866  
867  	mask = 0x33f00000;
868  	data = 0x00000000;
869  	if (!next->bios.ramcfg_11_01_04)
870  		data |= 0x20200000;
871  	if (!next->bios.ramcfg_11_07_80)
872  		data |= 0x12800000;
873  	/*XXX: see note above about there probably being some condition
874  	 *     for the 10f824 stuff that uses ramcfg 3...
875  	 */
876  	if (next->bios.ramcfg_11_03_f0) {
877  		if (next->bios.rammap_11_08_0c) {
878  			if (!next->bios.ramcfg_11_07_80)
879  				mask |= 0x00000020;
880  			else
881  				data |= 0x00000020;
882  			mask |= 0x08000004;
883  		}
884  		data |= 0x04000000;
885  	} else {
886  		mask |= 0x44000020;
887  		data |= 0x08000004;
888  	}
889  
890  	ram_mask(fuc, 0x10f808, mask, data);
891  
892  	ram_wr32(fuc, 0x10f870, 0x11111111 * next->bios.ramcfg_11_03_0f);
893  
894  	ram_mask(fuc, 0x10f250, 0x000003f0, next->bios.timing_20_2c_003f << 4);
895  
896  	data = (next->bios.timing[10] & 0x7f000000) >> 24;
897  	if (data < next->bios.timing_20_2c_1fc0)
898  		data = next->bios.timing_20_2c_1fc0;
899  	ram_mask(fuc, 0x10f24c, 0x7f000000, data << 24);
900  
901  	ram_mask(fuc, 0x10f224, 0x001f0000, next->bios.timing_20_30_f8 << 16);
902  
903  	ram_wr32(fuc, 0x10f090, 0x4000007f);
904  	ram_nsec(fuc, 1000);
905  
906  	ram_wr32(fuc, 0x10f314, 0x00000001); /* PRECHARGE */
907  	ram_wr32(fuc, 0x10f310, 0x00000001); /* REFRESH */
908  	ram_wr32(fuc, 0x10f210, 0x80000000); /* REFRESH_AUTO = 1 */
909  	ram_nsec(fuc, 1000);
910  
911  	if (!next->bios.ramcfg_DLLoff) {
912  		ram_mask(fuc, mr[1], 0x1, 0x0);
913  		nvkm_sddr3_dll_reset(fuc);
914  	}
915  
916  	ram_mask(fuc, mr[2], 0x00000fff, ram->base.mr[2]);
917  	ram_mask(fuc, mr[1], 0xffffffff, ram->base.mr[1]);
918  	ram_wr32(fuc, mr[0], ram->base.mr[0]);
919  	ram_nsec(fuc, 1000);
920  
921  	if (!next->bios.ramcfg_DLLoff) {
922  		nvkm_sddr3_dll_reset(fuc);
923  		ram_nsec(fuc, 1000);
924  	}
925  
926  	if (vc == 0 && ram_have(fuc, gpio2E)) {
927  		u32 temp  = ram_mask(fuc, gpio2E, 0x3000, fuc->r_func2E[0]);
928  		if (temp != ram_rd32(fuc, gpio2E)) {
929  			ram_wr32(fuc, gpiotrig, 1);
930  			ram_nsec(fuc, 20000);
931  		}
932  	}
933  
934  	if (ram->mode != 2) {
935  		ram_mask(fuc, 0x10f830, 0x01000000, 0x01000000);
936  		ram_mask(fuc, 0x10f830, 0x01000000, 0x00000000);
937  	}
938  
939  	ram_mask(fuc, 0x10f200, 0x80000000, 0x80000000);
940  	ram_wr32(fuc, 0x10f318, 0x00000001); /* NOP? */
941  	ram_mask(fuc, 0x10f200, 0x80000000, 0x00000000);
942  	ram_nsec(fuc, 1000);
943  
944  	ram_unblock(fuc);
945  
946  	if (ram->base.fb->subdev.device->disp)
947  		ram_wr32(fuc, 0x62c000, 0x0f0f0f00);
948  
949  	if (next->bios.rammap_11_08_01)
950  		data = 0x00000800;
951  	else
952  		data = 0x00000000;
953  	ram_mask(fuc, 0x10f200, 0x00000800, data);
954  	return 0;
955  }
956  
957  /*******************************************************************************
958   * main hooks
959   ******************************************************************************/
960  
961  static int
gk104_ram_calc_data(struct gk104_ram * ram,u32 khz,struct nvkm_ram_data * data)962  gk104_ram_calc_data(struct gk104_ram *ram, u32 khz, struct nvkm_ram_data *data)
963  {
964  	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
965  	struct nvkm_ram_data *cfg;
966  	u32 mhz = khz / 1000;
967  
968  	list_for_each_entry(cfg, &ram->cfg, head) {
969  		if (mhz >= cfg->bios.rammap_min &&
970  		    mhz <= cfg->bios.rammap_max) {
971  			*data = *cfg;
972  			data->freq = khz;
973  			return 0;
974  		}
975  	}
976  
977  	nvkm_error(subdev, "ramcfg data for %dMHz not found\n", mhz);
978  	return -EINVAL;
979  }
980  
981  static int
gk104_calc_pll_output(int fN,int M,int N,int P,int clk)982  gk104_calc_pll_output(int fN, int M, int N, int P, int clk)
983  {
984  	return ((clk * N) + (((u16)(fN + 4096) * clk) >> 13)) / (M * P);
985  }
986  
987  static int
gk104_pll_calc_hiclk(int target_khz,int crystal,int * N1,int * fN1,int * M1,int * P1,int * N2,int * M2,int * P2)988  gk104_pll_calc_hiclk(int target_khz, int crystal,
989  		int *N1, int *fN1, int *M1, int *P1,
990  		int *N2, int *M2, int *P2)
991  {
992  	int best_err = target_khz, p_ref, n_ref;
993  	bool upper = false;
994  
995  	*M1 = 1;
996  	/* M has to be 1, otherwise it gets unstable */
997  	*M2 = 1;
998  	/* can be 1 or 2, sticking with 1 for simplicity */
999  	*P2 = 1;
1000  
1001  	for (p_ref = 0x7; p_ref >= 0x5; --p_ref) {
1002  		for (n_ref = 0x25; n_ref <= 0x2b; ++n_ref) {
1003  			int cur_N, cur_clk, cur_err;
1004  
1005  			cur_clk = gk104_calc_pll_output(0, 1, n_ref, p_ref, crystal);
1006  			cur_N = target_khz / cur_clk;
1007  			cur_err = target_khz
1008  				- gk104_calc_pll_output(0xf000, 1, cur_N, 1, cur_clk);
1009  
1010  			/* we found a better combination */
1011  			if (cur_err < best_err) {
1012  				best_err = cur_err;
1013  				*N2 = cur_N;
1014  				*N1 = n_ref;
1015  				*P1 = p_ref;
1016  				upper = false;
1017  			}
1018  
1019  			cur_N += 1;
1020  			cur_err = gk104_calc_pll_output(0xf000, 1, cur_N, 1, cur_clk)
1021  				- target_khz;
1022  			if (cur_err < best_err) {
1023  				best_err = cur_err;
1024  				*N2 = cur_N;
1025  				*N1 = n_ref;
1026  				*P1 = p_ref;
1027  				upper = true;
1028  			}
1029  		}
1030  	}
1031  
1032  	/* adjust fN to get closer to the target clock */
1033  	*fN1 = (u16)((((best_err / *N2 * *P2) * (*P1 * *M1)) << 13) / crystal);
1034  	if (upper)
1035  		*fN1 = (u16)(1 - *fN1);
1036  
1037  	return gk104_calc_pll_output(*fN1, 1, *N1, *P1, crystal);
1038  }
1039  
1040  static int
gk104_ram_calc_xits(struct gk104_ram * ram,struct nvkm_ram_data * next)1041  gk104_ram_calc_xits(struct gk104_ram *ram, struct nvkm_ram_data *next)
1042  {
1043  	struct gk104_ramfuc *fuc = &ram->fuc;
1044  	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
1045  	int refclk, i;
1046  	int ret;
1047  
1048  	ret = ram_init(fuc, ram->base.fb);
1049  	if (ret)
1050  		return ret;
1051  
1052  	ram->mode = (next->freq > fuc->refpll.vco1.max_freq) ? 2 : 1;
1053  	ram->from = ram_rd32(fuc, 0x1373f4) & 0x0000000f;
1054  
1055  	/* XXX: this is *not* what nvidia do.  on fermi nvidia generally
1056  	 * select, based on some unknown condition, one of the two possible
1057  	 * reference frequencies listed in the vbios table for mempll and
1058  	 * program refpll to that frequency.
1059  	 *
1060  	 * so far, i've seen very weird values being chosen by nvidia on
1061  	 * kepler boards, no idea how/why they're chosen.
1062  	 */
1063  	refclk = next->freq;
1064  	if (ram->mode == 2) {
1065  		ret = gk104_pll_calc_hiclk(next->freq, subdev->device->crystal,
1066  				&ram->N1, &ram->fN1, &ram->M1, &ram->P1,
1067  				&ram->N2, &ram->M2, &ram->P2);
1068  		fuc->mempll.refclk = ret;
1069  		if (ret <= 0) {
1070  			nvkm_error(subdev, "unable to calc plls\n");
1071  			return -EINVAL;
1072  		}
1073  		nvkm_debug(subdev, "successfully calced PLLs for clock %i kHz"
1074  				" (refclock: %i kHz)\n", next->freq, ret);
1075  	} else {
1076  		/* calculate refpll coefficients */
1077  		ret = gt215_pll_calc(subdev, &fuc->refpll, refclk, &ram->N1,
1078  				     &ram->fN1, &ram->M1, &ram->P1);
1079  		fuc->mempll.refclk = ret;
1080  		if (ret <= 0) {
1081  			nvkm_error(subdev, "unable to calc refpll\n");
1082  			return -EINVAL;
1083  		}
1084  	}
1085  
1086  	for (i = 0; i < ARRAY_SIZE(fuc->r_mr); i++) {
1087  		if (ram_have(fuc, mr[i]))
1088  			ram->base.mr[i] = ram_rd32(fuc, mr[i]);
1089  	}
1090  	ram->base.freq = next->freq;
1091  
1092  	switch (ram->base.type) {
1093  	case NVKM_RAM_TYPE_DDR3:
1094  		ret = nvkm_sddr3_calc(&ram->base);
1095  		if (ret == 0)
1096  			ret = gk104_ram_calc_sddr3(ram, next->freq);
1097  		break;
1098  	case NVKM_RAM_TYPE_GDDR5:
1099  		ret = nvkm_gddr5_calc(&ram->base, ram->pnuts != 0);
1100  		if (ret == 0)
1101  			ret = gk104_ram_calc_gddr5(ram, next->freq);
1102  		break;
1103  	default:
1104  		ret = -ENOSYS;
1105  		break;
1106  	}
1107  
1108  	return ret;
1109  }
1110  
1111  int
gk104_ram_calc(struct nvkm_ram * base,u32 freq)1112  gk104_ram_calc(struct nvkm_ram *base, u32 freq)
1113  {
1114  	struct gk104_ram *ram = gk104_ram(base);
1115  	struct nvkm_clk *clk = ram->base.fb->subdev.device->clk;
1116  	struct nvkm_ram_data *xits = &ram->base.xition;
1117  	struct nvkm_ram_data *copy;
1118  	int ret;
1119  
1120  	if (ram->base.next == NULL) {
1121  		ret = gk104_ram_calc_data(ram,
1122  					  nvkm_clk_read(clk, nv_clk_src_mem),
1123  					  &ram->base.former);
1124  		if (ret)
1125  			return ret;
1126  
1127  		ret = gk104_ram_calc_data(ram, freq, &ram->base.target);
1128  		if (ret)
1129  			return ret;
1130  
1131  		if (ram->base.target.freq < ram->base.former.freq) {
1132  			*xits = ram->base.target;
1133  			copy = &ram->base.former;
1134  		} else {
1135  			*xits = ram->base.former;
1136  			copy = &ram->base.target;
1137  		}
1138  
1139  		xits->bios.ramcfg_11_02_04 = copy->bios.ramcfg_11_02_04;
1140  		xits->bios.ramcfg_11_02_03 = copy->bios.ramcfg_11_02_03;
1141  		xits->bios.timing_20_30_07 = copy->bios.timing_20_30_07;
1142  
1143  		ram->base.next = &ram->base.target;
1144  		if (memcmp(xits, &ram->base.former, sizeof(xits->bios)))
1145  			ram->base.next = &ram->base.xition;
1146  	} else {
1147  		BUG_ON(ram->base.next != &ram->base.xition);
1148  		ram->base.next = &ram->base.target;
1149  	}
1150  
1151  	return gk104_ram_calc_xits(ram, ram->base.next);
1152  }
1153  
1154  static void
gk104_ram_prog_0(struct gk104_ram * ram,u32 freq)1155  gk104_ram_prog_0(struct gk104_ram *ram, u32 freq)
1156  {
1157  	struct nvkm_device *device = ram->base.fb->subdev.device;
1158  	struct nvkm_ram_data *cfg;
1159  	u32 mhz = freq / 1000;
1160  	u32 mask, data;
1161  
1162  	list_for_each_entry(cfg, &ram->cfg, head) {
1163  		if (mhz >= cfg->bios.rammap_min &&
1164  		    mhz <= cfg->bios.rammap_max)
1165  			break;
1166  	}
1167  
1168  	if (&cfg->head == &ram->cfg)
1169  		return;
1170  
1171  	if (mask = 0, data = 0, ram->diff.rammap_11_0a_03fe) {
1172  		data |= cfg->bios.rammap_11_0a_03fe << 12;
1173  		mask |= 0x001ff000;
1174  	}
1175  	if (ram->diff.rammap_11_09_01ff) {
1176  		data |= cfg->bios.rammap_11_09_01ff;
1177  		mask |= 0x000001ff;
1178  	}
1179  	nvkm_mask(device, 0x10f468, mask, data);
1180  
1181  	if (mask = 0, data = 0, ram->diff.rammap_11_0a_0400) {
1182  		data |= cfg->bios.rammap_11_0a_0400;
1183  		mask |= 0x00000001;
1184  	}
1185  	nvkm_mask(device, 0x10f420, mask, data);
1186  
1187  	if (mask = 0, data = 0, ram->diff.rammap_11_0a_0800) {
1188  		data |= cfg->bios.rammap_11_0a_0800;
1189  		mask |= 0x00000001;
1190  	}
1191  	nvkm_mask(device, 0x10f430, mask, data);
1192  
1193  	if (mask = 0, data = 0, ram->diff.rammap_11_0b_01f0) {
1194  		data |= cfg->bios.rammap_11_0b_01f0;
1195  		mask |= 0x0000001f;
1196  	}
1197  	nvkm_mask(device, 0x10f400, mask, data);
1198  
1199  	if (mask = 0, data = 0, ram->diff.rammap_11_0b_0200) {
1200  		data |= cfg->bios.rammap_11_0b_0200 << 9;
1201  		mask |= 0x00000200;
1202  	}
1203  	nvkm_mask(device, 0x10f410, mask, data);
1204  
1205  	if (mask = 0, data = 0, ram->diff.rammap_11_0d) {
1206  		data |= cfg->bios.rammap_11_0d << 16;
1207  		mask |= 0x00ff0000;
1208  	}
1209  	if (ram->diff.rammap_11_0f) {
1210  		data |= cfg->bios.rammap_11_0f << 8;
1211  		mask |= 0x0000ff00;
1212  	}
1213  	nvkm_mask(device, 0x10f440, mask, data);
1214  
1215  	if (mask = 0, data = 0, ram->diff.rammap_11_0e) {
1216  		data |= cfg->bios.rammap_11_0e << 8;
1217  		mask |= 0x0000ff00;
1218  	}
1219  	if (ram->diff.rammap_11_0b_0800) {
1220  		data |= cfg->bios.rammap_11_0b_0800 << 7;
1221  		mask |= 0x00000080;
1222  	}
1223  	if (ram->diff.rammap_11_0b_0400) {
1224  		data |= cfg->bios.rammap_11_0b_0400 << 5;
1225  		mask |= 0x00000020;
1226  	}
1227  	nvkm_mask(device, 0x10f444, mask, data);
1228  }
1229  
1230  int
gk104_ram_prog(struct nvkm_ram * base)1231  gk104_ram_prog(struct nvkm_ram *base)
1232  {
1233  	struct gk104_ram *ram = gk104_ram(base);
1234  	struct gk104_ramfuc *fuc = &ram->fuc;
1235  	struct nvkm_device *device = ram->base.fb->subdev.device;
1236  	struct nvkm_ram_data *next = ram->base.next;
1237  
1238  	if (!nvkm_boolopt(device->cfgopt, "NvMemExec", true)) {
1239  		ram_exec(fuc, false);
1240  		return (ram->base.next == &ram->base.xition);
1241  	}
1242  
1243  	gk104_ram_prog_0(ram, 1000);
1244  	ram_exec(fuc, true);
1245  	gk104_ram_prog_0(ram, next->freq);
1246  
1247  	return (ram->base.next == &ram->base.xition);
1248  }
1249  
1250  void
gk104_ram_tidy(struct nvkm_ram * base)1251  gk104_ram_tidy(struct nvkm_ram *base)
1252  {
1253  	struct gk104_ram *ram = gk104_ram(base);
1254  	ram->base.next = NULL;
1255  	ram_exec(&ram->fuc, false);
1256  }
1257  
1258  struct gk104_ram_train {
1259  	u16 mask;
1260  	struct nvbios_M0209S remap;
1261  	struct nvbios_M0209S type00;
1262  	struct nvbios_M0209S type01;
1263  	struct nvbios_M0209S type04;
1264  	struct nvbios_M0209S type06;
1265  	struct nvbios_M0209S type07;
1266  	struct nvbios_M0209S type08;
1267  	struct nvbios_M0209S type09;
1268  };
1269  
1270  static int
gk104_ram_train_type(struct nvkm_ram * ram,int i,u8 ramcfg,struct gk104_ram_train * train)1271  gk104_ram_train_type(struct nvkm_ram *ram, int i, u8 ramcfg,
1272  		     struct gk104_ram_train *train)
1273  {
1274  	struct nvkm_bios *bios = ram->fb->subdev.device->bios;
1275  	struct nvbios_M0205E M0205E;
1276  	struct nvbios_M0205S M0205S;
1277  	struct nvbios_M0209E M0209E;
1278  	struct nvbios_M0209S *remap = &train->remap;
1279  	struct nvbios_M0209S *value;
1280  	u8  ver, hdr, cnt, len;
1281  	u32 data;
1282  
1283  	/* determine type of data for this index */
1284  	if (!(data = nvbios_M0205Ep(bios, i, &ver, &hdr, &cnt, &len, &M0205E)))
1285  		return -ENOENT;
1286  
1287  	switch (M0205E.type) {
1288  	case 0x00: value = &train->type00; break;
1289  	case 0x01: value = &train->type01; break;
1290  	case 0x04: value = &train->type04; break;
1291  	case 0x06: value = &train->type06; break;
1292  	case 0x07: value = &train->type07; break;
1293  	case 0x08: value = &train->type08; break;
1294  	case 0x09: value = &train->type09; break;
1295  	default:
1296  		return 0;
1297  	}
1298  
1299  	/* training data index determined by ramcfg strap */
1300  	if (!(data = nvbios_M0205Sp(bios, i, ramcfg, &ver, &hdr, &M0205S)))
1301  		return -EINVAL;
1302  	i = M0205S.data;
1303  
1304  	/* training data format information */
1305  	if (!(data = nvbios_M0209Ep(bios, i, &ver, &hdr, &cnt, &len, &M0209E)))
1306  		return -EINVAL;
1307  
1308  	/* ... and the raw data */
1309  	if (!(data = nvbios_M0209Sp(bios, i, 0, &ver, &hdr, value)))
1310  		return -EINVAL;
1311  
1312  	if (M0209E.v02_07 == 2) {
1313  		/* of course! why wouldn't we have a pointer to another entry
1314  		 * in the same table, and use the first one as an array of
1315  		 * remap indices...
1316  		 */
1317  		if (!(data = nvbios_M0209Sp(bios, M0209E.v03, 0, &ver, &hdr,
1318  					    remap)))
1319  			return -EINVAL;
1320  
1321  		for (i = 0; i < ARRAY_SIZE(value->data); i++)
1322  			value->data[i] = remap->data[value->data[i]];
1323  	} else
1324  	if (M0209E.v02_07 != 1)
1325  		return -EINVAL;
1326  
1327  	train->mask |= 1 << M0205E.type;
1328  	return 0;
1329  }
1330  
1331  static int
gk104_ram_train_init_0(struct nvkm_ram * ram,struct gk104_ram_train * train)1332  gk104_ram_train_init_0(struct nvkm_ram *ram, struct gk104_ram_train *train)
1333  {
1334  	struct nvkm_subdev *subdev = &ram->fb->subdev;
1335  	struct nvkm_device *device = subdev->device;
1336  	int i, j;
1337  
1338  	if ((train->mask & 0x03d3) != 0x03d3) {
1339  		nvkm_warn(subdev, "missing link training data\n");
1340  		return -EINVAL;
1341  	}
1342  
1343  	for (i = 0; i < 0x30; i++) {
1344  		for (j = 0; j < 8; j += 4) {
1345  			nvkm_wr32(device, 0x10f968 + j, 0x00000000 | (i << 8));
1346  			nvkm_wr32(device, 0x10f920 + j, 0x00000000 |
1347  						   train->type08.data[i] << 4 |
1348  						   train->type06.data[i]);
1349  			nvkm_wr32(device, 0x10f918 + j, train->type00.data[i]);
1350  			nvkm_wr32(device, 0x10f920 + j, 0x00000100 |
1351  						   train->type09.data[i] << 4 |
1352  						   train->type07.data[i]);
1353  			nvkm_wr32(device, 0x10f918 + j, train->type01.data[i]);
1354  		}
1355  	}
1356  
1357  	for (j = 0; j < 8; j += 4) {
1358  		for (i = 0; i < 0x100; i++) {
1359  			nvkm_wr32(device, 0x10f968 + j, i);
1360  			nvkm_wr32(device, 0x10f900 + j, train->type04.data[i]);
1361  		}
1362  	}
1363  
1364  	return 0;
1365  }
1366  
1367  static int
gk104_ram_train_init(struct nvkm_ram * ram)1368  gk104_ram_train_init(struct nvkm_ram *ram)
1369  {
1370  	u8 ramcfg = nvbios_ramcfg_index(&ram->fb->subdev);
1371  	struct gk104_ram_train *train;
1372  	int ret, i;
1373  
1374  	if (!(train = kzalloc(sizeof(*train), GFP_KERNEL)))
1375  		return -ENOMEM;
1376  
1377  	for (i = 0; i < 0x100; i++) {
1378  		ret = gk104_ram_train_type(ram, i, ramcfg, train);
1379  		if (ret && ret != -ENOENT)
1380  			break;
1381  	}
1382  
1383  	switch (ram->type) {
1384  	case NVKM_RAM_TYPE_GDDR5:
1385  		ret = gk104_ram_train_init_0(ram, train);
1386  		break;
1387  	default:
1388  		ret = 0;
1389  		break;
1390  	}
1391  
1392  	kfree(train);
1393  	return ret;
1394  }
1395  
1396  int
gk104_ram_init(struct nvkm_ram * ram)1397  gk104_ram_init(struct nvkm_ram *ram)
1398  {
1399  	struct nvkm_subdev *subdev = &ram->fb->subdev;
1400  	struct nvkm_device *device = subdev->device;
1401  	struct nvkm_bios *bios = device->bios;
1402  	u8  ver, hdr, cnt, len, snr, ssz;
1403  	u32 data, save;
1404  	int i;
1405  
1406  	/* run a bunch of tables from rammap table.  there's actually
1407  	 * individual pointers for each rammap entry too, but, nvidia
1408  	 * seem to just run the last two entries' scripts early on in
1409  	 * their init, and never again.. we'll just run 'em all once
1410  	 * for now.
1411  	 *
1412  	 * i strongly suspect that each script is for a separate mode
1413  	 * (likely selected by 0x10f65c's lower bits?), and the
1414  	 * binary driver skips the one that's already been setup by
1415  	 * the init tables.
1416  	 */
1417  	data = nvbios_rammapTe(bios, &ver, &hdr, &cnt, &len, &snr, &ssz);
1418  	if (!data || hdr < 0x15)
1419  		return -EINVAL;
1420  
1421  	cnt  = nvbios_rd08(bios, data + 0x14); /* guess at count */
1422  	data = nvbios_rd32(bios, data + 0x10); /* guess u32... */
1423  	save = nvkm_rd32(device, 0x10f65c) & 0x000000f0;
1424  	for (i = 0; i < cnt; i++, data += 4) {
1425  		if (i != save >> 4) {
1426  			nvkm_mask(device, 0x10f65c, 0x000000f0, i << 4);
1427  			nvbios_init(subdev, nvbios_rd32(bios, data));
1428  		}
1429  	}
1430  	nvkm_mask(device, 0x10f65c, 0x000000f0, save);
1431  	nvkm_mask(device, 0x10f584, 0x11000000, 0x00000000);
1432  	nvkm_wr32(device, 0x10ecc0, 0xffffffff);
1433  	nvkm_mask(device, 0x10f160, 0x00000010, 0x00000010);
1434  
1435  	return gk104_ram_train_init(ram);
1436  }
1437  
1438  static int
gk104_ram_ctor_data(struct gk104_ram * ram,u8 ramcfg,int i)1439  gk104_ram_ctor_data(struct gk104_ram *ram, u8 ramcfg, int i)
1440  {
1441  	struct nvkm_bios *bios = ram->base.fb->subdev.device->bios;
1442  	struct nvkm_ram_data *cfg;
1443  	struct nvbios_ramcfg *d = &ram->diff;
1444  	struct nvbios_ramcfg *p, *n;
1445  	u8  ver, hdr, cnt, len;
1446  	u32 data;
1447  	int ret;
1448  
1449  	if (!(cfg = kmalloc(sizeof(*cfg), GFP_KERNEL)))
1450  		return -ENOMEM;
1451  	p = &list_last_entry(&ram->cfg, typeof(*cfg), head)->bios;
1452  	n = &cfg->bios;
1453  
1454  	/* memory config data for a range of target frequencies */
1455  	data = nvbios_rammapEp(bios, i, &ver, &hdr, &cnt, &len, &cfg->bios);
1456  	if (ret = -ENOENT, !data)
1457  		goto done;
1458  	if (ret = -ENOSYS, ver != 0x11 || hdr < 0x12)
1459  		goto done;
1460  
1461  	/* ... and a portion specific to the attached memory */
1462  	data = nvbios_rammapSp(bios, data, ver, hdr, cnt, len, ramcfg,
1463  			       &ver, &hdr, &cfg->bios);
1464  	if (ret = -EINVAL, !data)
1465  		goto done;
1466  	if (ret = -ENOSYS, ver != 0x11 || hdr < 0x0a)
1467  		goto done;
1468  
1469  	/* lookup memory timings, if bios says they're present */
1470  	if (cfg->bios.ramcfg_timing != 0xff) {
1471  		data = nvbios_timingEp(bios, cfg->bios.ramcfg_timing,
1472  				       &ver, &hdr, &cnt, &len,
1473  				       &cfg->bios);
1474  		if (ret = -EINVAL, !data)
1475  			goto done;
1476  		if (ret = -ENOSYS, ver != 0x20 || hdr < 0x33)
1477  			goto done;
1478  	}
1479  
1480  	list_add_tail(&cfg->head, &ram->cfg);
1481  	if (ret = 0, i == 0)
1482  		goto done;
1483  
1484  	d->rammap_11_0a_03fe |= p->rammap_11_0a_03fe != n->rammap_11_0a_03fe;
1485  	d->rammap_11_09_01ff |= p->rammap_11_09_01ff != n->rammap_11_09_01ff;
1486  	d->rammap_11_0a_0400 |= p->rammap_11_0a_0400 != n->rammap_11_0a_0400;
1487  	d->rammap_11_0a_0800 |= p->rammap_11_0a_0800 != n->rammap_11_0a_0800;
1488  	d->rammap_11_0b_01f0 |= p->rammap_11_0b_01f0 != n->rammap_11_0b_01f0;
1489  	d->rammap_11_0b_0200 |= p->rammap_11_0b_0200 != n->rammap_11_0b_0200;
1490  	d->rammap_11_0d |= p->rammap_11_0d != n->rammap_11_0d;
1491  	d->rammap_11_0f |= p->rammap_11_0f != n->rammap_11_0f;
1492  	d->rammap_11_0e |= p->rammap_11_0e != n->rammap_11_0e;
1493  	d->rammap_11_0b_0800 |= p->rammap_11_0b_0800 != n->rammap_11_0b_0800;
1494  	d->rammap_11_0b_0400 |= p->rammap_11_0b_0400 != n->rammap_11_0b_0400;
1495  	d->ramcfg_11_01_01 |= p->ramcfg_11_01_01 != n->ramcfg_11_01_01;
1496  	d->ramcfg_11_01_02 |= p->ramcfg_11_01_02 != n->ramcfg_11_01_02;
1497  	d->ramcfg_11_01_10 |= p->ramcfg_11_01_10 != n->ramcfg_11_01_10;
1498  	d->ramcfg_11_02_03 |= p->ramcfg_11_02_03 != n->ramcfg_11_02_03;
1499  	d->ramcfg_11_08_20 |= p->ramcfg_11_08_20 != n->ramcfg_11_08_20;
1500  	d->timing_20_30_07 |= p->timing_20_30_07 != n->timing_20_30_07;
1501  done:
1502  	if (ret)
1503  		kfree(cfg);
1504  	return ret;
1505  }
1506  
1507  void *
gk104_ram_dtor(struct nvkm_ram * base)1508  gk104_ram_dtor(struct nvkm_ram *base)
1509  {
1510  	struct gk104_ram *ram = gk104_ram(base);
1511  	struct nvkm_ram_data *cfg, *tmp;
1512  
1513  	list_for_each_entry_safe(cfg, tmp, &ram->cfg, head) {
1514  		kfree(cfg);
1515  	}
1516  
1517  	return ram;
1518  }
1519  
1520  int
gk104_ram_new_(const struct nvkm_ram_func * func,struct nvkm_fb * fb,struct nvkm_ram ** pram)1521  gk104_ram_new_(const struct nvkm_ram_func *func, struct nvkm_fb *fb,
1522  	       struct nvkm_ram **pram)
1523  {
1524  	struct nvkm_subdev *subdev = &fb->subdev;
1525  	struct nvkm_device *device = subdev->device;
1526  	struct nvkm_bios *bios = device->bios;
1527  	struct dcb_gpio_func gpio;
1528  	struct gk104_ram *ram;
1529  	int ret, i;
1530  	u8  ramcfg = nvbios_ramcfg_index(subdev);
1531  	u32 tmp;
1532  
1533  	if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL)))
1534  		return -ENOMEM;
1535  	*pram = &ram->base;
1536  
1537  	ret = gf100_ram_ctor(func, fb, &ram->base);
1538  	if (ret)
1539  		return ret;
1540  
1541  	INIT_LIST_HEAD(&ram->cfg);
1542  
1543  	/* calculate a mask of differently configured memory partitions,
1544  	 * because, of course reclocking wasn't complicated enough
1545  	 * already without having to treat some of them differently to
1546  	 * the others....
1547  	 */
1548  	ram->parts = nvkm_rd32(device, 0x022438);
1549  	ram->pmask = nvkm_rd32(device, 0x022554);
1550  	ram->pnuts = 0;
1551  	for (i = 0, tmp = 0; i < ram->parts; i++) {
1552  		if (!(ram->pmask & (1 << i))) {
1553  			u32 cfg1 = nvkm_rd32(device, 0x110204 + (i * 0x1000));
1554  			if (tmp && tmp != cfg1) {
1555  				ram->pnuts |= (1 << i);
1556  				continue;
1557  			}
1558  			tmp = cfg1;
1559  		}
1560  	}
1561  
1562  	/* parse bios data for all rammap table entries up-front, and
1563  	 * build information on whether certain fields differ between
1564  	 * any of the entries.
1565  	 *
1566  	 * the binary driver appears to completely ignore some fields
1567  	 * when all entries contain the same value.  at first, it was
1568  	 * hoped that these were mere optimisations and the bios init
1569  	 * tables had configured as per the values here, but there is
1570  	 * evidence now to suggest that this isn't the case and we do
1571  	 * need to treat this condition as a "don't touch" indicator.
1572  	 */
1573  	for (i = 0; !ret; i++) {
1574  		ret = gk104_ram_ctor_data(ram, ramcfg, i);
1575  		if (ret && ret != -ENOENT) {
1576  			nvkm_error(subdev, "failed to parse ramcfg data\n");
1577  			return ret;
1578  		}
1579  	}
1580  
1581  	/* parse bios data for both pll's */
1582  	ret = nvbios_pll_parse(bios, 0x0c, &ram->fuc.refpll);
1583  	if (ret) {
1584  		nvkm_error(subdev, "mclk refpll data not found\n");
1585  		return ret;
1586  	}
1587  
1588  	ret = nvbios_pll_parse(bios, 0x04, &ram->fuc.mempll);
1589  	if (ret) {
1590  		nvkm_error(subdev, "mclk pll data not found\n");
1591  		return ret;
1592  	}
1593  
1594  	/* lookup memory voltage gpios */
1595  	ret = nvkm_gpio_find(device->gpio, 0, 0x18, DCB_GPIO_UNUSED, &gpio);
1596  	if (ret == 0) {
1597  		ram->fuc.r_gpioMV = ramfuc_reg(0x00d610 + (gpio.line * 0x04));
1598  		ram->fuc.r_funcMV[0] = (gpio.log[0] ^ 2) << 12;
1599  		ram->fuc.r_funcMV[1] = (gpio.log[1] ^ 2) << 12;
1600  	}
1601  
1602  	ret = nvkm_gpio_find(device->gpio, 0, 0x2e, DCB_GPIO_UNUSED, &gpio);
1603  	if (ret == 0) {
1604  		ram->fuc.r_gpio2E = ramfuc_reg(0x00d610 + (gpio.line * 0x04));
1605  		ram->fuc.r_func2E[0] = (gpio.log[0] ^ 2) << 12;
1606  		ram->fuc.r_func2E[1] = (gpio.log[1] ^ 2) << 12;
1607  	}
1608  
1609  	ram->fuc.r_gpiotrig = ramfuc_reg(0x00d604);
1610  
1611  	ram->fuc.r_0x132020 = ramfuc_reg(0x132020);
1612  	ram->fuc.r_0x132028 = ramfuc_reg(0x132028);
1613  	ram->fuc.r_0x132024 = ramfuc_reg(0x132024);
1614  	ram->fuc.r_0x132030 = ramfuc_reg(0x132030);
1615  	ram->fuc.r_0x132034 = ramfuc_reg(0x132034);
1616  	ram->fuc.r_0x132000 = ramfuc_reg(0x132000);
1617  	ram->fuc.r_0x132004 = ramfuc_reg(0x132004);
1618  	ram->fuc.r_0x132040 = ramfuc_reg(0x132040);
1619  
1620  	ram->fuc.r_0x10f248 = ramfuc_reg(0x10f248);
1621  	ram->fuc.r_0x10f290 = ramfuc_reg(0x10f290);
1622  	ram->fuc.r_0x10f294 = ramfuc_reg(0x10f294);
1623  	ram->fuc.r_0x10f298 = ramfuc_reg(0x10f298);
1624  	ram->fuc.r_0x10f29c = ramfuc_reg(0x10f29c);
1625  	ram->fuc.r_0x10f2a0 = ramfuc_reg(0x10f2a0);
1626  	ram->fuc.r_0x10f2a4 = ramfuc_reg(0x10f2a4);
1627  	ram->fuc.r_0x10f2a8 = ramfuc_reg(0x10f2a8);
1628  	ram->fuc.r_0x10f2ac = ramfuc_reg(0x10f2ac);
1629  	ram->fuc.r_0x10f2cc = ramfuc_reg(0x10f2cc);
1630  	ram->fuc.r_0x10f2e8 = ramfuc_reg(0x10f2e8);
1631  	ram->fuc.r_0x10f250 = ramfuc_reg(0x10f250);
1632  	ram->fuc.r_0x10f24c = ramfuc_reg(0x10f24c);
1633  	ram->fuc.r_0x10fec4 = ramfuc_reg(0x10fec4);
1634  	ram->fuc.r_0x10fec8 = ramfuc_reg(0x10fec8);
1635  	ram->fuc.r_0x10f604 = ramfuc_reg(0x10f604);
1636  	ram->fuc.r_0x10f614 = ramfuc_reg(0x10f614);
1637  	ram->fuc.r_0x10f610 = ramfuc_reg(0x10f610);
1638  	ram->fuc.r_0x100770 = ramfuc_reg(0x100770);
1639  	ram->fuc.r_0x100778 = ramfuc_reg(0x100778);
1640  	ram->fuc.r_0x10f224 = ramfuc_reg(0x10f224);
1641  
1642  	ram->fuc.r_0x10f870 = ramfuc_reg(0x10f870);
1643  	ram->fuc.r_0x10f698 = ramfuc_reg(0x10f698);
1644  	ram->fuc.r_0x10f694 = ramfuc_reg(0x10f694);
1645  	ram->fuc.r_0x10f6b8 = ramfuc_reg(0x10f6b8);
1646  	ram->fuc.r_0x10f808 = ramfuc_reg(0x10f808);
1647  	ram->fuc.r_0x10f670 = ramfuc_reg(0x10f670);
1648  	ram->fuc.r_0x10f60c = ramfuc_reg(0x10f60c);
1649  	ram->fuc.r_0x10f830 = ramfuc_reg(0x10f830);
1650  	ram->fuc.r_0x1373ec = ramfuc_reg(0x1373ec);
1651  	ram->fuc.r_0x10f800 = ramfuc_reg(0x10f800);
1652  	ram->fuc.r_0x10f82c = ramfuc_reg(0x10f82c);
1653  
1654  	ram->fuc.r_0x10f978 = ramfuc_reg(0x10f978);
1655  	ram->fuc.r_0x10f910 = ramfuc_reg(0x10f910);
1656  	ram->fuc.r_0x10f914 = ramfuc_reg(0x10f914);
1657  
1658  	switch (ram->base.type) {
1659  	case NVKM_RAM_TYPE_GDDR5:
1660  		ram->fuc.r_mr[0] = ramfuc_reg(0x10f300);
1661  		ram->fuc.r_mr[1] = ramfuc_reg(0x10f330);
1662  		ram->fuc.r_mr[2] = ramfuc_reg(0x10f334);
1663  		ram->fuc.r_mr[3] = ramfuc_reg(0x10f338);
1664  		ram->fuc.r_mr[4] = ramfuc_reg(0x10f33c);
1665  		ram->fuc.r_mr[5] = ramfuc_reg(0x10f340);
1666  		ram->fuc.r_mr[6] = ramfuc_reg(0x10f344);
1667  		ram->fuc.r_mr[7] = ramfuc_reg(0x10f348);
1668  		ram->fuc.r_mr[8] = ramfuc_reg(0x10f354);
1669  		ram->fuc.r_mr[15] = ramfuc_reg(0x10f34c);
1670  		break;
1671  	case NVKM_RAM_TYPE_DDR3:
1672  		ram->fuc.r_mr[0] = ramfuc_reg(0x10f300);
1673  		ram->fuc.r_mr[1] = ramfuc_reg(0x10f304);
1674  		ram->fuc.r_mr[2] = ramfuc_reg(0x10f320);
1675  		break;
1676  	default:
1677  		break;
1678  	}
1679  
1680  	ram->fuc.r_0x62c000 = ramfuc_reg(0x62c000);
1681  	ram->fuc.r_0x10f200 = ramfuc_reg(0x10f200);
1682  	ram->fuc.r_0x10f210 = ramfuc_reg(0x10f210);
1683  	ram->fuc.r_0x10f310 = ramfuc_reg(0x10f310);
1684  	ram->fuc.r_0x10f314 = ramfuc_reg(0x10f314);
1685  	ram->fuc.r_0x10f318 = ramfuc_reg(0x10f318);
1686  	ram->fuc.r_0x10f090 = ramfuc_reg(0x10f090);
1687  	ram->fuc.r_0x10f69c = ramfuc_reg(0x10f69c);
1688  	ram->fuc.r_0x10f824 = ramfuc_reg(0x10f824);
1689  	ram->fuc.r_0x1373f0 = ramfuc_reg(0x1373f0);
1690  	ram->fuc.r_0x1373f4 = ramfuc_reg(0x1373f4);
1691  	ram->fuc.r_0x137320 = ramfuc_reg(0x137320);
1692  	ram->fuc.r_0x10f65c = ramfuc_reg(0x10f65c);
1693  	ram->fuc.r_0x10f6bc = ramfuc_reg(0x10f6bc);
1694  	ram->fuc.r_0x100710 = ramfuc_reg(0x100710);
1695  	ram->fuc.r_0x100750 = ramfuc_reg(0x100750);
1696  	return 0;
1697  }
1698  
1699  static const struct nvkm_ram_func
1700  gk104_ram = {
1701  	.upper = 0x0200000000ULL,
1702  	.probe_fbp = gf100_ram_probe_fbp,
1703  	.probe_fbp_amount = gf108_ram_probe_fbp_amount,
1704  	.probe_fbpa_amount = gf100_ram_probe_fbpa_amount,
1705  	.dtor = gk104_ram_dtor,
1706  	.init = gk104_ram_init,
1707  	.calc = gk104_ram_calc,
1708  	.prog = gk104_ram_prog,
1709  	.tidy = gk104_ram_tidy,
1710  };
1711  
1712  int
gk104_ram_new(struct nvkm_fb * fb,struct nvkm_ram ** pram)1713  gk104_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
1714  {
1715  	return gk104_ram_new_(&gk104_ram, fb, pram);
1716  }
1717