1 /*
2  * Copyright (c) 2015-2020, Renesas Electronics Corporation.
3  * All rights reserved.
4  *
5  * SPDX-License-Identifier: BSD-3-Clause
6  */
7 
8 #include <stdint.h>
9 #include <string.h>
10 #include <stdio.h>
11 
12 #include <common/debug.h>
13 #include <lib/mmio.h>
14 
15 #include "ddr_regdef.h"
16 #include "init_dram_tbl_h3.h"
17 #include "init_dram_tbl_m3.h"
18 #include "init_dram_tbl_h3ver2.h"
19 #include "init_dram_tbl_m3n.h"
20 #include "boot_init_dram_regdef.h"
21 #include "boot_init_dram.h"
22 #include "dram_sub_func.h"
23 #include "micro_delay.h"
24 #include "rcar_def.h"
25 
26 #define DDR_BACKUPMODE
27 #define FATAL_MSG(x) NOTICE(x)
28 
29 /* variables */
30 #ifdef RCAR_DDR_FIXED_LSI_TYPE
31 #ifndef RCAR_AUTO
32 #define RCAR_AUTO	99
33 #define RCAR_H3		0
34 #define RCAR_M3		1
35 #define RCAR_M3N	2
36 #define RCAR_E3		3	/* NON */
37 #define RCAR_H3N	4
38 
39 #define RCAR_CUT_10	0
40 #define RCAR_CUT_11	1
41 #define RCAR_CUT_20	10
42 #define RCAR_CUT_30	20
43 #endif
44 #ifndef RCAR_LSI
45 #define RCAR_LSI	RCAR_AUTO
46 #endif
47 
48 #if (RCAR_LSI == RCAR_AUTO)
49 static uint32_t prr_product;
50 static uint32_t prr_cut;
51 #else
52 #if (RCAR_LSI == RCAR_H3)
53 static const uint32_t prr_product = PRR_PRODUCT_H3;
54 #elif(RCAR_LSI == RCAR_M3)
55 static const uint32_t prr_product = PRR_PRODUCT_M3;
56 #elif(RCAR_LSI == RCAR_M3N)
57 static const uint32_t prr_product = PRR_PRODUCT_M3N;
58 #elif(RCAR_LSI == RCAR_H3N)
59 static const uint32_t prr_product = PRR_PRODUCT_H3;
60 #endif /* RCAR_LSI */
61 
62 #ifndef RCAR_LSI_CUT
63 static uint32_t prr_cut;
64 #else /* RCAR_LSI_CUT */
65 #if (RCAR_LSI_CUT == RCAR_CUT_10)
66 static const uint32_t prr_cut = PRR_PRODUCT_10;
67 #elif(RCAR_LSI_CUT == RCAR_CUT_11)
68 static const uint32_t prr_cut = PRR_PRODUCT_11;
69 #elif(RCAR_LSI_CUT == RCAR_CUT_20)
70 static const uint32_t prr_cut = PRR_PRODUCT_20;
71 #elif(RCAR_LSI_CUT == RCAR_CUT_30)
72 static const uint32_t prr_cut = PRR_PRODUCT_30;
73 #endif /* RCAR_LSI_CUT */
74 #endif /* RCAR_LSI_CUT */
75 #endif /* RCAR_AUTO_NON */
76 #else /* RCAR_DDR_FIXED_LSI_TYPE */
77 static uint32_t prr_product;
78 static uint32_t prr_cut;
79 #endif /* RCAR_DDR_FIXED_LSI_TYPE */
80 
81 static const uint32_t *p_ddr_regdef_tbl;
82 static uint32_t brd_clk;
83 static uint32_t brd_clkdiv;
84 static uint32_t brd_clkdiva;
85 static uint32_t ddr_mbps;
86 static uint32_t ddr_mbpsdiv;
87 static uint32_t ddr_tccd;
88 static uint32_t ddr_phycaslice;
89 static const struct _boardcnf *board_cnf;
90 static uint32_t ddr_phyvalid;
91 static uint32_t ddr_density[DRAM_CH_CNT][CS_CNT];
92 static uint32_t ch_have_this_cs[CS_CNT] __aligned(64);
93 static uint32_t rdqdm_dly[DRAM_CH_CNT][CSAB_CNT][SLICE_CNT * 2][9];
94 static uint32_t max_density;
95 static uint32_t ddr0800_mul;
96 static uint32_t ddr_mul;
97 static uint32_t DDR_PHY_SLICE_REGSET_OFS;
98 static uint32_t DDR_PHY_ADR_V_REGSET_OFS;
99 static uint32_t DDR_PHY_ADR_I_REGSET_OFS;
100 static uint32_t DDR_PHY_ADR_G_REGSET_OFS;
101 static uint32_t DDR_PI_REGSET_OFS;
102 static uint32_t DDR_PHY_SLICE_REGSET_SIZE;
103 static uint32_t DDR_PHY_ADR_V_REGSET_SIZE;
104 static uint32_t DDR_PHY_ADR_I_REGSET_SIZE;
105 static uint32_t DDR_PHY_ADR_G_REGSET_SIZE;
106 static uint32_t DDR_PI_REGSET_SIZE;
107 static uint32_t DDR_PHY_SLICE_REGSET_NUM;
108 static uint32_t DDR_PHY_ADR_V_REGSET_NUM;
109 static uint32_t DDR_PHY_ADR_I_REGSET_NUM;
110 static uint32_t DDR_PHY_ADR_G_REGSET_NUM;
111 static uint32_t DDR_PI_REGSET_NUM;
112 static uint32_t DDR_PHY_ADR_I_NUM;
113 #define DDR_PHY_REGSET_MAX 128
114 #define DDR_PI_REGSET_MAX 320
115 static uint32_t _cnf_DDR_PHY_SLICE_REGSET[DDR_PHY_REGSET_MAX];
116 static uint32_t _cnf_DDR_PHY_ADR_V_REGSET[DDR_PHY_REGSET_MAX];
117 static uint32_t _cnf_DDR_PHY_ADR_I_REGSET[DDR_PHY_REGSET_MAX];
118 static uint32_t _cnf_DDR_PHY_ADR_G_REGSET[DDR_PHY_REGSET_MAX];
119 static uint32_t _cnf_DDR_PI_REGSET[DDR_PI_REGSET_MAX];
120 static uint32_t pll3_mode;
121 static uint32_t loop_max;
122 #ifdef DDR_BACKUPMODE
123 uint32_t ddr_backup;
124 /* #define DDR_BACKUPMODE_HALF           //for Half channel(ch0,1 only) */
125 #endif
126 
127 #ifdef ddr_qos_init_setting	/*  only for non qos_init */
128 #define OPERATING_FREQ			(400U)	/* Mhz */
129 #define BASE_SUB_SLOT_NUM		(0x6U)
130 #define SUB_SLOT_CYCLE			(0x7EU)	/* 126 */
131 #define QOSWT_WTSET0_CYCLE		\
132 	((SUB_SLOT_CYCLE * BASE_SUB_SLOT_NUM * 1000U) / \
133 	OPERATING_FREQ)	/* unit:ns */
134 
get_refperiod(void)135 uint32_t get_refperiod(void)
136 {
137 	return QOSWT_WTSET0_CYCLE;
138 }
139 #else /*  ddr_qos_init_setting // only for non qos_init */
140 extern uint32_t get_refperiod(void);
141 #endif /* ddr_qos_init_setting // only for non qos_init */
142 
143 #define _reg_PHY_RX_CAL_X_NUM 11
144 static const uint32_t _reg_PHY_RX_CAL_X[_reg_PHY_RX_CAL_X_NUM] = {
145 	_reg_PHY_RX_CAL_DQ0,
146 	_reg_PHY_RX_CAL_DQ1,
147 	_reg_PHY_RX_CAL_DQ2,
148 	_reg_PHY_RX_CAL_DQ3,
149 	_reg_PHY_RX_CAL_DQ4,
150 	_reg_PHY_RX_CAL_DQ5,
151 	_reg_PHY_RX_CAL_DQ6,
152 	_reg_PHY_RX_CAL_DQ7,
153 	_reg_PHY_RX_CAL_DM,
154 	_reg_PHY_RX_CAL_DQS,
155 	_reg_PHY_RX_CAL_FDBK
156 };
157 
158 #define _reg_PHY_CLK_WRX_SLAVE_DELAY_NUM 10
159 static const uint32_t _reg_PHY_CLK_WRX_SLAVE_DELAY
160 	[_reg_PHY_CLK_WRX_SLAVE_DELAY_NUM] = {
161 	_reg_PHY_CLK_WRDQ0_SLAVE_DELAY,
162 	_reg_PHY_CLK_WRDQ1_SLAVE_DELAY,
163 	_reg_PHY_CLK_WRDQ2_SLAVE_DELAY,
164 	_reg_PHY_CLK_WRDQ3_SLAVE_DELAY,
165 	_reg_PHY_CLK_WRDQ4_SLAVE_DELAY,
166 	_reg_PHY_CLK_WRDQ5_SLAVE_DELAY,
167 	_reg_PHY_CLK_WRDQ6_SLAVE_DELAY,
168 	_reg_PHY_CLK_WRDQ7_SLAVE_DELAY,
169 	_reg_PHY_CLK_WRDM_SLAVE_DELAY,
170 	_reg_PHY_CLK_WRDQS_SLAVE_DELAY
171 };
172 
173 #define _reg_PHY_RDDQS_X_FALL_SLAVE_DELAY_NUM 9
174 static const uint32_t _reg_PHY_RDDQS_X_FALL_SLAVE_DELAY
175 	[_reg_PHY_RDDQS_X_FALL_SLAVE_DELAY_NUM] = {
176 	_reg_PHY_RDDQS_DQ0_FALL_SLAVE_DELAY,
177 	_reg_PHY_RDDQS_DQ1_FALL_SLAVE_DELAY,
178 	_reg_PHY_RDDQS_DQ2_FALL_SLAVE_DELAY,
179 	_reg_PHY_RDDQS_DQ3_FALL_SLAVE_DELAY,
180 	_reg_PHY_RDDQS_DQ4_FALL_SLAVE_DELAY,
181 	_reg_PHY_RDDQS_DQ5_FALL_SLAVE_DELAY,
182 	_reg_PHY_RDDQS_DQ6_FALL_SLAVE_DELAY,
183 	_reg_PHY_RDDQS_DQ7_FALL_SLAVE_DELAY,
184 	_reg_PHY_RDDQS_DM_FALL_SLAVE_DELAY
185 };
186 
187 #define _reg_PHY_RDDQS_X_RISE_SLAVE_DELAY_NUM 9
188 static const uint32_t _reg_PHY_RDDQS_X_RISE_SLAVE_DELAY
189 	[_reg_PHY_RDDQS_X_RISE_SLAVE_DELAY_NUM] = {
190 	_reg_PHY_RDDQS_DQ0_RISE_SLAVE_DELAY,
191 	_reg_PHY_RDDQS_DQ1_RISE_SLAVE_DELAY,
192 	_reg_PHY_RDDQS_DQ2_RISE_SLAVE_DELAY,
193 	_reg_PHY_RDDQS_DQ3_RISE_SLAVE_DELAY,
194 	_reg_PHY_RDDQS_DQ4_RISE_SLAVE_DELAY,
195 	_reg_PHY_RDDQS_DQ5_RISE_SLAVE_DELAY,
196 	_reg_PHY_RDDQS_DQ6_RISE_SLAVE_DELAY,
197 	_reg_PHY_RDDQS_DQ7_RISE_SLAVE_DELAY,
198 	_reg_PHY_RDDQS_DM_RISE_SLAVE_DELAY
199 };
200 
201 #define _reg_PHY_PAD_TERM_X_NUM 8
202 static const uint32_t _reg_PHY_PAD_TERM_X[_reg_PHY_PAD_TERM_X_NUM] = {
203 	_reg_PHY_PAD_FDBK_TERM,
204 	_reg_PHY_PAD_DATA_TERM,
205 	_reg_PHY_PAD_DQS_TERM,
206 	_reg_PHY_PAD_ADDR_TERM,
207 	_reg_PHY_PAD_CLK_TERM,
208 	_reg_PHY_PAD_CKE_TERM,
209 	_reg_PHY_PAD_RST_TERM,
210 	_reg_PHY_PAD_CS_TERM
211 };
212 
213 #define _reg_PHY_CLK_CACS_SLAVE_DELAY_X_NUM 10
214 static const uint32_t _reg_PHY_CLK_CACS_SLAVE_DELAY_X
215 	[_reg_PHY_CLK_CACS_SLAVE_DELAY_X_NUM] = {
216 	_reg_PHY_ADR0_CLK_WR_SLAVE_DELAY,
217 	_reg_PHY_ADR1_CLK_WR_SLAVE_DELAY,
218 	_reg_PHY_ADR2_CLK_WR_SLAVE_DELAY,
219 	_reg_PHY_ADR3_CLK_WR_SLAVE_DELAY,
220 	_reg_PHY_ADR4_CLK_WR_SLAVE_DELAY,
221 	_reg_PHY_ADR5_CLK_WR_SLAVE_DELAY,
222 
223 	_reg_PHY_GRP_SLAVE_DELAY_0,
224 	_reg_PHY_GRP_SLAVE_DELAY_1,
225 	_reg_PHY_GRP_SLAVE_DELAY_2,
226 	_reg_PHY_GRP_SLAVE_DELAY_3
227 };
228 
229 /* Prototypes */
230 static inline uint32_t vch_nxt(uint32_t pos);
231 static void cpg_write_32(uint32_t a, uint32_t v);
232 static void pll3_control(uint32_t high);
233 static inline void dsb_sev(void);
234 static void wait_dbcmd(void);
235 static void send_dbcmd(uint32_t cmd);
236 static uint32_t reg_ddrphy_read(uint32_t phyno, uint32_t regadd);
237 static void reg_ddrphy_write(uint32_t phyno, uint32_t regadd, uint32_t regdata);
238 static void reg_ddrphy_write_a(uint32_t regadd, uint32_t regdata);
239 static inline uint32_t ddr_regdef(uint32_t _regdef);
240 static inline uint32_t ddr_regdef_adr(uint32_t _regdef);
241 static inline uint32_t ddr_regdef_lsb(uint32_t _regdef);
242 static void ddr_setval_s(uint32_t ch, uint32_t slice, uint32_t _regdef,
243 			 uint32_t val);
244 static uint32_t ddr_getval_s(uint32_t ch, uint32_t slice, uint32_t _regdef);
245 static void ddr_setval(uint32_t ch, uint32_t regdef, uint32_t val);
246 static void ddr_setval_ach_s(uint32_t slice, uint32_t regdef, uint32_t val);
247 static void ddr_setval_ach(uint32_t regdef, uint32_t val);
248 static void ddr_setval_ach_as(uint32_t regdef, uint32_t val);
249 static uint32_t ddr_getval(uint32_t ch, uint32_t regdef);
250 static uint32_t ddr_getval_ach(uint32_t regdef, uint32_t *p);
251 static uint32_t ddr_getval_ach_as(uint32_t regdef, uint32_t *p);
252 static void _tblcopy(uint32_t *to, const uint32_t *from, uint32_t size);
253 static void ddrtbl_setval(uint32_t *tbl, uint32_t _regdef, uint32_t val);
254 static uint32_t ddrtbl_getval(uint32_t *tbl, uint32_t _regdef);
255 static uint32_t ddrphy_regif_chk(void);
256 static inline void ddrphy_regif_idle(void);
257 static uint16_t _f_scale(uint32_t _ddr_mbps, uint32_t _ddr_mbpsdiv, uint32_t ps,
258 			 uint16_t cyc);
259 static void _f_scale_js2(uint32_t _ddr_mbps, uint32_t _ddr_mbpsdiv,
260 			 uint16_t *_js2);
261 static int16_t _f_scale_adj(int16_t ps);
262 static void ddrtbl_load(void);
263 static void ddr_config_sub(void);
264 static void get_ca_swizzle(uint32_t ch, uint32_t ddr_csn, uint32_t *p_swz);
265 static void ddr_config_sub_h3v1x(void);
266 static void ddr_config(void);
267 static void dbsc_regset(void);
268 static void dbsc_regset_post(void);
269 static uint32_t dfi_init_start(void);
270 static void change_lpddr4_en(uint32_t mode);
271 static uint32_t set_term_code(void);
272 static void ddr_register_set(void);
273 static inline uint32_t wait_freqchgreq(uint32_t assert);
274 static inline void set_freqchgack(uint32_t assert);
275 static inline void set_dfifrequency(uint32_t freq);
276 static uint32_t pll3_freq(uint32_t on);
277 static void update_dly(void);
278 static uint32_t pi_training_go(void);
279 static uint32_t init_ddr(void);
280 static uint32_t swlvl1(uint32_t ddr_csn, uint32_t reg_cs, uint32_t reg_kick);
281 static uint32_t wdqdm_man1(void);
282 static uint32_t wdqdm_man(void);
283 static uint32_t rdqdm_man1(void);
284 static uint32_t rdqdm_man(void);
285 
286 static int32_t _find_change(uint64_t val, uint32_t dir);
287 static uint32_t _rx_offset_cal_updn(uint32_t code);
288 static uint32_t rx_offset_cal(void);
289 static uint32_t rx_offset_cal_hw(void);
290 static void adjust_rddqs_latency(void);
291 static void adjust_wpath_latency(void);
292 
293 struct ddrt_data {
294 	int32_t init_temp;	/* Initial Temperature (do) */
295 	uint32_t init_cal[4];	/* Initial io-code (4 is for H3) */
296 	uint32_t tcomp_cal[4];	/* Temp. compensated io-code (4 is for H3) */
297 };
298 
299 static struct ddrt_data tcal;
300 
301 static void pvtcode_update(void);
302 static void pvtcode_update2(void);
303 static void ddr_padcal_tcompensate_getinit(uint32_t override);
304 
305 /* load board configuration */
306 #include "boot_init_dram_config.c"
307 
308 #ifndef DDR_FAST_INIT
309 static uint32_t rdqdm_le[DRAM_CH_CNT][CS_CNT][SLICE_CNT * 2][9];
310 static uint32_t rdqdm_te[DRAM_CH_CNT][CS_CNT][SLICE_CNT * 2][9];
311 static uint32_t rdqdm_nw[DRAM_CH_CNT][CS_CNT][SLICE_CNT * 2][9];
312 static uint32_t rdqdm_win[DRAM_CH_CNT][CS_CNT][SLICE_CNT];
313 static uint32_t rdqdm_st[DRAM_CH_CNT][CS_CNT][SLICE_CNT * 2];
314 static void rdqdm_clr1(uint32_t ch, uint32_t ddr_csn);
315 static uint32_t rdqdm_ana1(uint32_t ch, uint32_t ddr_csn);
316 
317 static uint32_t wdqdm_le[DRAM_CH_CNT][CS_CNT][SLICE_CNT][9];
318 static uint32_t wdqdm_te[DRAM_CH_CNT][CS_CNT][SLICE_CNT][9];
319 static uint32_t wdqdm_dly[DRAM_CH_CNT][CS_CNT][SLICE_CNT][9];
320 static uint32_t wdqdm_st[DRAM_CH_CNT][CS_CNT][SLICE_CNT];
321 static uint32_t wdqdm_win[DRAM_CH_CNT][CS_CNT][SLICE_CNT];
322 static void wdqdm_clr1(uint32_t ch, uint32_t ddr_csn);
323 static uint32_t wdqdm_ana1(uint32_t ch, uint32_t ddr_csn);
324 #endif/* DDR_FAST_INIT */
325 
326 /* macro for channel selection loop */
vch_nxt(uint32_t pos)327 static inline uint32_t vch_nxt(uint32_t pos)
328 {
329 	uint32_t posn;
330 
331 	for (posn = pos; posn < DRAM_CH_CNT; posn++) {
332 		if (ddr_phyvalid & (1U << posn))
333 			break;
334 	}
335 	return posn;
336 }
337 
338 #define foreach_vch(ch) \
339 for (ch = vch_nxt(0); ch < DRAM_CH_CNT; ch = vch_nxt(ch + 1))
340 
341 #define foreach_ech(ch) \
342 for (ch = 0; ch < DRAM_CH_CNT; ch++)
343 
344 /* Printing functions */
345 #define MSG_LF(...)
346 
347 /* clock settings, reset control */
cpg_write_32(uint32_t a,uint32_t v)348 static void cpg_write_32(uint32_t a, uint32_t v)
349 {
350 	mmio_write_32(CPG_CPGWPR, ~v);
351 	mmio_write_32(a, v);
352 }
353 
pll3_control(uint32_t high)354 static void pll3_control(uint32_t high)
355 {
356 	uint32_t data_l, data_div, data_mul, tmp_div;
357 
358 	if (high) {
359 		tmp_div = 3999 * brd_clkdiv * (brd_clkdiva + 1) /
360 			(brd_clk * ddr_mul) / 2;
361 		data_mul = ((ddr_mul * tmp_div) - 1) << 24;
362 		pll3_mode = 1;
363 		loop_max = 2;
364 	} else {
365 		tmp_div = 3999 * brd_clkdiv * (brd_clkdiva + 1) /
366 			(brd_clk * ddr0800_mul) / 2;
367 		data_mul = ((ddr0800_mul * tmp_div) - 1) << 24;
368 		pll3_mode = 0;
369 		loop_max = 8;
370 	}
371 
372 	switch (tmp_div) {
373 	case 1:
374 		data_div = 0;
375 		break;
376 	case 2:
377 	case 3:
378 	case 4:
379 		data_div = tmp_div;
380 		break;
381 	default:
382 		data_div = 6;
383 		data_mul = (data_mul * tmp_div) / 3;
384 		break;
385 	}
386 	data_mul = data_mul | (brd_clkdiva << 7);
387 
388 	/* PLL3 disable */
389 	data_l = mmio_read_32(CPG_PLLECR) & ~CPG_PLLECR_PLL3E_BIT;
390 	cpg_write_32(CPG_PLLECR, data_l);
391 	dsb_sev();
392 
393 	if ((prr_product == PRR_PRODUCT_M3) ||
394 	    ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_20))) {
395 		/* PLL3 DIV resetting(Lowest value:3) */
396 		data_l = 0x00030003 | (0xFF80FF80 & mmio_read_32(CPG_FRQCRD));
397 		cpg_write_32(CPG_FRQCRD, data_l);
398 		dsb_sev();
399 
400 		/* zb3 clk stop */
401 		data_l = CPG_ZB3CKCR_ZB3ST_BIT | mmio_read_32(CPG_ZB3CKCR);
402 		cpg_write_32(CPG_ZB3CKCR, data_l);
403 		dsb_sev();
404 
405 		/* PLL3 enable */
406 		data_l = CPG_PLLECR_PLL3E_BIT | mmio_read_32(CPG_PLLECR);
407 		cpg_write_32(CPG_PLLECR, data_l);
408 		dsb_sev();
409 
410 		do {
411 			data_l = mmio_read_32(CPG_PLLECR);
412 		} while ((data_l & CPG_PLLECR_PLL3ST_BIT) == 0);
413 		dsb_sev();
414 
415 		/* PLL3 DIV resetting (Highest value:0) */
416 		data_l = (0xFF80FF80 & mmio_read_32(CPG_FRQCRD));
417 		cpg_write_32(CPG_FRQCRD, data_l);
418 		dsb_sev();
419 
420 		/* DIV SET KICK */
421 		data_l = CPG_FRQCRB_KICK_BIT | mmio_read_32(CPG_FRQCRB);
422 		cpg_write_32(CPG_FRQCRB, data_l);
423 		dsb_sev();
424 
425 		/* PLL3 multiplie set */
426 		cpg_write_32(CPG_PLL3CR, data_mul);
427 		dsb_sev();
428 
429 		do {
430 			data_l = mmio_read_32(CPG_PLLECR);
431 		} while ((data_l & CPG_PLLECR_PLL3ST_BIT) == 0);
432 		dsb_sev();
433 
434 		/* PLL3 DIV resetting(Target value) */
435 		data_l = (data_div << 16) | data_div |
436 			 (mmio_read_32(CPG_FRQCRD) & 0xFF80FF80);
437 		cpg_write_32(CPG_FRQCRD, data_l);
438 		dsb_sev();
439 
440 		/* DIV SET KICK */
441 		data_l = CPG_FRQCRB_KICK_BIT | mmio_read_32(CPG_FRQCRB);
442 		cpg_write_32(CPG_FRQCRB, data_l);
443 		dsb_sev();
444 
445 		do {
446 			data_l = mmio_read_32(CPG_PLLECR);
447 		} while ((data_l & CPG_PLLECR_PLL3ST_BIT) == 0);
448 		dsb_sev();
449 
450 		/* zb3 clk start */
451 		data_l = (~CPG_ZB3CKCR_ZB3ST_BIT) & mmio_read_32(CPG_ZB3CKCR);
452 		cpg_write_32(CPG_ZB3CKCR, data_l);
453 		dsb_sev();
454 
455 	} else { /*  H3Ver.3.0/M3N/V3H */
456 
457 		/* PLL3 multiplie set */
458 		cpg_write_32(CPG_PLL3CR, data_mul);
459 		dsb_sev();
460 
461 		/* PLL3 DIV set(Target value) */
462 		data_l = (data_div << 16) | data_div |
463 			 (mmio_read_32(CPG_FRQCRD) & 0xFF80FF80);
464 		cpg_write_32(CPG_FRQCRD, data_l);
465 
466 		/* DIV SET KICK */
467 		data_l = CPG_FRQCRB_KICK_BIT | mmio_read_32(CPG_FRQCRB);
468 		cpg_write_32(CPG_FRQCRB, data_l);
469 		dsb_sev();
470 
471 		/* PLL3 enable */
472 		data_l = CPG_PLLECR_PLL3E_BIT | mmio_read_32(CPG_PLLECR);
473 		cpg_write_32(CPG_PLLECR, data_l);
474 		dsb_sev();
475 
476 		do {
477 			data_l = mmio_read_32(CPG_PLLECR);
478 		} while ((data_l & CPG_PLLECR_PLL3ST_BIT) == 0);
479 		dsb_sev();
480 	}
481 }
482 
483 /* barrier */
dsb_sev(void)484 static inline void dsb_sev(void)
485 {
486 	__asm__ __volatile__("dsb sy");
487 }
488 
489 /* DDR memory register access */
wait_dbcmd(void)490 static void wait_dbcmd(void)
491 {
492 	uint32_t data_l;
493 	/* dummy read */
494 	data_l = mmio_read_32(DBSC_DBCMD);
495 	dsb_sev();
496 	while (1) {
497 		/* wait DBCMD 1=busy, 0=ready */
498 		data_l = mmio_read_32(DBSC_DBWAIT);
499 		dsb_sev();
500 		if ((data_l & 0x00000001) == 0x00)
501 			break;
502 	}
503 }
504 
send_dbcmd(uint32_t cmd)505 static void send_dbcmd(uint32_t cmd)
506 {
507 	/* dummy read */
508 	wait_dbcmd();
509 	mmio_write_32(DBSC_DBCMD, cmd);
510 	dsb_sev();
511 }
512 
dbwait_loop(uint32_t wait_loop)513 static void dbwait_loop(uint32_t wait_loop)
514 {
515 	uint32_t i;
516 
517 	for (i = 0; i < wait_loop; i++)
518 		wait_dbcmd();
519 }
520 
521 /* DDRPHY register access (raw) */
reg_ddrphy_read(uint32_t phyno,uint32_t regadd)522 static uint32_t reg_ddrphy_read(uint32_t phyno, uint32_t regadd)
523 {
524 	uint32_t val;
525 	uint32_t loop;
526 
527 	val = 0;
528 	if ((prr_product != PRR_PRODUCT_M3N) &&
529 	    (prr_product != PRR_PRODUCT_V3H)) {
530 		mmio_write_32(DBSC_DBPDRGA(phyno), regadd);
531 		dsb_sev();
532 
533 		while (mmio_read_32(DBSC_DBPDRGA(phyno)) != regadd) {
534 			dsb_sev();
535 		}
536 		dsb_sev();
537 
538 		for (loop = 0; loop < loop_max; loop++) {
539 			val = mmio_read_32(DBSC_DBPDRGD(phyno));
540 			dsb_sev();
541 		}
542 		(void)val;
543 	} else {
544 		mmio_write_32(DBSC_DBPDRGA(phyno), regadd | 0x00004000);
545 		dsb_sev();
546 		while (mmio_read_32(DBSC_DBPDRGA(phyno)) !=
547 		       (regadd | 0x0000C000)) {
548 			dsb_sev();
549 		};
550 		val = mmio_read_32(DBSC_DBPDRGA(phyno));
551 		mmio_write_32(DBSC_DBPDRGA(phyno), regadd | 0x00008000);
552 		while (mmio_read_32(DBSC_DBPDRGA(phyno)) != regadd) {
553 			dsb_sev();
554 		};
555 		dsb_sev();
556 
557 		mmio_write_32(DBSC_DBPDRGA(phyno), regadd | 0x00008000);
558 		while (mmio_read_32(DBSC_DBPDRGA(phyno)) != regadd) {
559 			dsb_sev();
560 		};
561 
562 		dsb_sev();
563 		val = mmio_read_32(DBSC_DBPDRGD(phyno));
564 		dsb_sev();
565 		(void)val;
566 	}
567 	return val;
568 }
569 
reg_ddrphy_write(uint32_t phyno,uint32_t regadd,uint32_t regdata)570 static void reg_ddrphy_write(uint32_t phyno, uint32_t regadd, uint32_t regdata)
571 {
572 	uint32_t val;
573 	uint32_t loop;
574 
575 	if ((prr_product != PRR_PRODUCT_M3N) &&
576 	    (prr_product != PRR_PRODUCT_V3H)) {
577 		mmio_write_32(DBSC_DBPDRGA(phyno), regadd);
578 		dsb_sev();
579 		for (loop = 0; loop < loop_max; loop++) {
580 			val = mmio_read_32(DBSC_DBPDRGA(phyno));
581 			dsb_sev();
582 		}
583 		mmio_write_32(DBSC_DBPDRGD(phyno), regdata);
584 		dsb_sev();
585 
586 		for (loop = 0; loop < loop_max; loop++) {
587 			val = mmio_read_32(DBSC_DBPDRGD(phyno));
588 			dsb_sev();
589 		}
590 	} else {
591 		mmio_write_32(DBSC_DBPDRGA(phyno), regadd);
592 		dsb_sev();
593 
594 		while (mmio_read_32(DBSC_DBPDRGA(phyno)) != regadd) {
595 			dsb_sev();
596 		};
597 		dsb_sev();
598 
599 		mmio_write_32(DBSC_DBPDRGD(phyno), regdata);
600 		dsb_sev();
601 
602 		while (mmio_read_32(DBSC_DBPDRGA(phyno)) !=
603 		       (regadd | 0x00008000)) {
604 			dsb_sev();
605 		};
606 		mmio_write_32(DBSC_DBPDRGA(phyno), regadd | 0x00008000);
607 
608 		while (mmio_read_32(DBSC_DBPDRGA(phyno)) != regadd) {
609 			dsb_sev();
610 		};
611 		dsb_sev();
612 
613 		mmio_write_32(DBSC_DBPDRGA(phyno), regadd);
614 	}
615 	(void)val;
616 }
617 
reg_ddrphy_write_a(uint32_t regadd,uint32_t regdata)618 static void reg_ddrphy_write_a(uint32_t regadd, uint32_t regdata)
619 {
620 	uint32_t ch;
621 	uint32_t val;
622 	uint32_t loop;
623 
624 	if ((prr_product != PRR_PRODUCT_M3N) &&
625 	    (prr_product != PRR_PRODUCT_V3H)) {
626 		foreach_vch(ch) {
627 			mmio_write_32(DBSC_DBPDRGA(ch), regadd);
628 			dsb_sev();
629 		}
630 
631 		foreach_vch(ch) {
632 			mmio_write_32(DBSC_DBPDRGD(ch), regdata);
633 			dsb_sev();
634 		}
635 
636 		for (loop = 0; loop < loop_max; loop++) {
637 			val = mmio_read_32(DBSC_DBPDRGD(0));
638 			dsb_sev();
639 		}
640 		(void)val;
641 	} else {
642 		foreach_vch(ch) {
643 			reg_ddrphy_write(ch, regadd, regdata);
644 			dsb_sev();
645 		}
646 	}
647 }
648 
ddrphy_regif_idle(void)649 static inline void ddrphy_regif_idle(void)
650 {
651 	uint32_t val;
652 
653 	val = reg_ddrphy_read(0, ddr_regdef_adr(_reg_PI_INT_STATUS));
654 	dsb_sev();
655 	(void)val;
656 }
657 
658 /* DDRPHY register access (field modify) */
ddr_regdef(uint32_t _regdef)659 static inline uint32_t ddr_regdef(uint32_t _regdef)
660 {
661 	return p_ddr_regdef_tbl[_regdef];
662 }
663 
ddr_regdef_adr(uint32_t _regdef)664 static inline uint32_t ddr_regdef_adr(uint32_t _regdef)
665 {
666 	return DDR_REGDEF_ADR(p_ddr_regdef_tbl[_regdef]);
667 }
668 
ddr_regdef_lsb(uint32_t _regdef)669 static inline uint32_t ddr_regdef_lsb(uint32_t _regdef)
670 {
671 	return DDR_REGDEF_LSB(p_ddr_regdef_tbl[_regdef]);
672 }
673 
ddr_setval_s(uint32_t ch,uint32_t slice,uint32_t _regdef,uint32_t val)674 static void ddr_setval_s(uint32_t ch, uint32_t slice, uint32_t _regdef,
675 			 uint32_t val)
676 {
677 	uint32_t adr;
678 	uint32_t lsb;
679 	uint32_t len;
680 	uint32_t msk;
681 	uint32_t tmp;
682 	uint32_t regdef;
683 
684 	regdef = ddr_regdef(_regdef);
685 	adr = DDR_REGDEF_ADR(regdef) + 0x80 * slice;
686 	len = DDR_REGDEF_LEN(regdef);
687 	lsb = DDR_REGDEF_LSB(regdef);
688 	if (len == 0x20)
689 		msk = 0xffffffff;
690 	else
691 		msk = ((1U << len) - 1) << lsb;
692 
693 	tmp = reg_ddrphy_read(ch, adr);
694 	tmp = (tmp & (~msk)) | ((val << lsb) & msk);
695 	reg_ddrphy_write(ch, adr, tmp);
696 }
697 
ddr_getval_s(uint32_t ch,uint32_t slice,uint32_t _regdef)698 static uint32_t ddr_getval_s(uint32_t ch, uint32_t slice, uint32_t _regdef)
699 {
700 	uint32_t adr;
701 	uint32_t lsb;
702 	uint32_t len;
703 	uint32_t msk;
704 	uint32_t tmp;
705 	uint32_t regdef;
706 
707 	regdef = ddr_regdef(_regdef);
708 	adr = DDR_REGDEF_ADR(regdef) + 0x80 * slice;
709 	len = DDR_REGDEF_LEN(regdef);
710 	lsb = DDR_REGDEF_LSB(regdef);
711 	if (len == 0x20)
712 		msk = 0xffffffff;
713 	else
714 		msk = ((1U << len) - 1);
715 
716 	tmp = reg_ddrphy_read(ch, adr);
717 	tmp = (tmp >> lsb) & msk;
718 
719 	return tmp;
720 }
721 
ddr_setval(uint32_t ch,uint32_t regdef,uint32_t val)722 static void ddr_setval(uint32_t ch, uint32_t regdef, uint32_t val)
723 {
724 	ddr_setval_s(ch, 0, regdef, val);
725 }
726 
ddr_setval_ach_s(uint32_t slice,uint32_t regdef,uint32_t val)727 static void ddr_setval_ach_s(uint32_t slice, uint32_t regdef, uint32_t val)
728 {
729 	uint32_t ch;
730 
731 	foreach_vch(ch)
732 	    ddr_setval_s(ch, slice, regdef, val);
733 }
734 
ddr_setval_ach(uint32_t regdef,uint32_t val)735 static void ddr_setval_ach(uint32_t regdef, uint32_t val)
736 {
737 	ddr_setval_ach_s(0, regdef, val);
738 }
739 
ddr_setval_ach_as(uint32_t regdef,uint32_t val)740 static void ddr_setval_ach_as(uint32_t regdef, uint32_t val)
741 {
742 	uint32_t slice;
743 
744 	for (slice = 0; slice < SLICE_CNT; slice++)
745 		ddr_setval_ach_s(slice, regdef, val);
746 }
747 
ddr_getval(uint32_t ch,uint32_t regdef)748 static uint32_t ddr_getval(uint32_t ch, uint32_t regdef)
749 {
750 	return ddr_getval_s(ch, 0, regdef);
751 }
752 
ddr_getval_ach(uint32_t regdef,uint32_t * p)753 static uint32_t ddr_getval_ach(uint32_t regdef, uint32_t *p)
754 {
755 	uint32_t ch;
756 
757 	foreach_vch(ch)
758 	    p[ch] = ddr_getval_s(ch, 0, regdef);
759 	return p[0];
760 }
761 
ddr_getval_ach_as(uint32_t regdef,uint32_t * p)762 static uint32_t ddr_getval_ach_as(uint32_t regdef, uint32_t *p)
763 {
764 	uint32_t ch, slice;
765 	uint32_t *pp;
766 
767 	pp = p;
768 	foreach_vch(ch)
769 		for (slice = 0; slice < SLICE_CNT; slice++)
770 			*pp++ = ddr_getval_s(ch, slice, regdef);
771 	return p[0];
772 }
773 
774 /* handling functions for setteing ddrphy value table */
_tblcopy(uint32_t * to,const uint32_t * from,uint32_t size)775 static void _tblcopy(uint32_t *to, const uint32_t *from, uint32_t size)
776 {
777 	uint32_t i;
778 
779 	for (i = 0; i < size; i++) {
780 		to[i] = from[i];
781 	}
782 }
783 
ddrtbl_setval(uint32_t * tbl,uint32_t _regdef,uint32_t val)784 static void ddrtbl_setval(uint32_t *tbl, uint32_t _regdef, uint32_t val)
785 {
786 	uint32_t adr;
787 	uint32_t lsb;
788 	uint32_t len;
789 	uint32_t msk;
790 	uint32_t tmp;
791 	uint32_t adrmsk;
792 	uint32_t regdef;
793 
794 	regdef = ddr_regdef(_regdef);
795 	adr = DDR_REGDEF_ADR(regdef);
796 	len = DDR_REGDEF_LEN(regdef);
797 	lsb = DDR_REGDEF_LSB(regdef);
798 	if (len == 0x20)
799 		msk = 0xffffffff;
800 	else
801 		msk = ((1U << len) - 1) << lsb;
802 
803 	if (adr < 0x400) {
804 		adrmsk = 0xff;
805 	} else {
806 		adrmsk = 0x7f;
807 	}
808 
809 	tmp = tbl[adr & adrmsk];
810 	tmp = (tmp & (~msk)) | ((val << lsb) & msk);
811 	tbl[adr & adrmsk] = tmp;
812 }
813 
ddrtbl_getval(uint32_t * tbl,uint32_t _regdef)814 static uint32_t ddrtbl_getval(uint32_t *tbl, uint32_t _regdef)
815 {
816 	uint32_t adr;
817 	uint32_t lsb;
818 	uint32_t len;
819 	uint32_t msk;
820 	uint32_t tmp;
821 	uint32_t adrmsk;
822 	uint32_t regdef;
823 
824 	regdef = ddr_regdef(_regdef);
825 	adr = DDR_REGDEF_ADR(regdef);
826 	len = DDR_REGDEF_LEN(regdef);
827 	lsb = DDR_REGDEF_LSB(regdef);
828 	if (len == 0x20)
829 		msk = 0xffffffff;
830 	else
831 		msk = ((1U << len) - 1);
832 
833 	if (adr < 0x400) {
834 		adrmsk = 0xff;
835 	} else {
836 		adrmsk = 0x7f;
837 	}
838 
839 	tmp = tbl[adr & adrmsk];
840 	tmp = (tmp >> lsb) & msk;
841 
842 	return tmp;
843 }
844 
845 /* DDRPHY register access handling */
ddrphy_regif_chk(void)846 static uint32_t ddrphy_regif_chk(void)
847 {
848 	uint32_t tmp_ach[DRAM_CH_CNT];
849 	uint32_t ch;
850 	uint32_t err;
851 	uint32_t PI_VERSION_CODE;
852 
853 	if (((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) ||
854 	    (prr_product == PRR_PRODUCT_M3)) {
855 		PI_VERSION_CODE = 0x2041; /* H3 Ver.1.x/M3-W */
856 	} else {
857 		PI_VERSION_CODE = 0x2040; /* H3 Ver.2.0 or later/M3-N/V3H */
858 	}
859 
860 	ddr_getval_ach(_reg_PI_VERSION, (uint32_t *)tmp_ach);
861 	err = 0;
862 	foreach_vch(ch) {
863 		if (tmp_ach[ch] != PI_VERSION_CODE)
864 			err = 1;
865 	}
866 	return err;
867 }
868 
869 /* functions and parameters for timing setting */
870 struct _jedec_spec1 {
871 	uint16_t fx3;
872 	uint8_t rlwodbi;
873 	uint8_t rlwdbi;
874 	uint8_t WL;
875 	uint8_t nwr;
876 	uint8_t nrtp;
877 	uint8_t odtlon;
878 	uint8_t MR1;
879 	uint8_t MR2;
880 };
881 
882 #define JS1_USABLEC_SPEC_LO 2
883 #define JS1_USABLEC_SPEC_HI 5
884 #define JS1_FREQ_TBL_NUM 8
885 #define JS1_MR1(f) (0x04 | ((f) << 4))
886 #define JS1_MR2(f) (0x00 | ((f) << 3) | (f))
887 const struct _jedec_spec1 js1[JS1_FREQ_TBL_NUM] = {
888 	/* 533.333Mbps */
889 	{  800,  6,  6,  4,  6,  8, 0, JS1_MR1(0), JS1_MR2(0) | 0x40 },
890 	/* 1066.666Mbps */
891 	{ 1600, 10, 12,  8, 10,  8, 0, JS1_MR1(1), JS1_MR2(1) | 0x40 },
892 	/* 1600.000Mbps */
893 	{ 2400, 14, 16, 12, 16,  8, 6, JS1_MR1(2), JS1_MR2(2) | 0x40 },
894 	/* 2133.333Mbps */
895 	{ 3200, 20, 22, 10, 20,  8, 4, JS1_MR1(3), JS1_MR2(3) },
896 	/* 2666.666Mbps */
897 	{ 4000, 24, 28, 12, 24, 10, 4, JS1_MR1(4), JS1_MR2(4) },
898 	/* 3200.000Mbps */
899 	{ 4800, 28, 32, 14, 30, 12, 6, JS1_MR1(5), JS1_MR2(5) },
900 	/* 3733.333Mbps */
901 	{ 5600, 32, 36, 16, 34, 14, 6, JS1_MR1(6), JS1_MR2(6) },
902 	/* 4266.666Mbps */
903 	{ 6400, 36, 40, 18, 40, 16, 8, JS1_MR1(7), JS1_MR2(7) }
904 };
905 
906 struct _jedec_spec2 {
907 	uint16_t ps;
908 	uint16_t cyc;
909 };
910 
911 #define js2_tsr 0
912 #define js2_txp 1
913 #define js2_trtp 2
914 #define js2_trcd 3
915 #define js2_trppb 4
916 #define js2_trpab 5
917 #define js2_tras 6
918 #define js2_twr 7
919 #define js2_twtr 8
920 #define js2_trrd 9
921 #define js2_tppd 10
922 #define js2_tfaw 11
923 #define js2_tdqsck 12
924 #define js2_tckehcmd 13
925 #define js2_tckelcmd 14
926 #define js2_tckelpd 15
927 #define js2_tmrr 16
928 #define js2_tmrw 17
929 #define js2_tmrd 18
930 #define js2_tzqcalns 19
931 #define js2_tzqlat 20
932 #define js2_tiedly 21
933 #define js2_tODTon_min 22
934 #define JS2_TBLCNT 23
935 
936 #define js2_trcpb (JS2_TBLCNT)
937 #define js2_trcab (JS2_TBLCNT + 1)
938 #define js2_trfcab (JS2_TBLCNT + 2)
939 #define JS2_CNT (JS2_TBLCNT + 3)
940 
941 #ifndef JS2_DERATE
942 #define JS2_DERATE 0
943 #endif
944 const struct _jedec_spec2 jedec_spec2[2][JS2_TBLCNT] = {
945 	{
946 /*tSR   */ {15000, 3},
947 /*tXP   */ {7500, 3},
948 /*tRTP  */ {7500, 8},
949 /*tRCD  */ {18000, 4},
950 /*tRPpb */ {18000, 3},
951 /*tRPab */ {21000, 3},
952 /*tRAS  */ {42000, 3},
953 /*tWR   */ {18000, 4},
954 /*tWTR  */ {10000, 8},
955 /*tRRD  */ {10000, 4},
956 /*tPPD  */ {0, 0},
957 /*tFAW  */ {40000, 0},
958 /*tDQSCK*/ {3500, 0},
959 /*tCKEHCMD*/ {7500, 3},
960 /*tCKELCMD*/ {7500, 3},
961 /*tCKELPD*/ {7500, 3},
962 /*tMRR*/ {0, 8},
963 /*tMRW*/ {10000, 10},
964 /*tMRD*/ {14000, 10},
965 /*tZQCALns*/ {1000 * 10, 0},
966 /*tZQLAT*/ {30000, 10},
967 /*tIEdly*/ {12500, 0},
968 /*tODTon_min*/ {1500, 0}
969 	 }, {
970 /*tSR   */ {15000, 3},
971 /*tXP   */ {7500, 3},
972 /*tRTP  */ {7500, 8},
973 /*tRCD  */ {19875, 4},
974 /*tRPpb */ {19875, 3},
975 /*tRPab */ {22875, 3},
976 /*tRAS  */ {43875, 3},
977 /*tWR   */ {18000, 4},
978 /*tWTR  */ {10000, 8},
979 /*tRRD  */ {11875, 4},
980 /*tPPD  */ {0, 0},
981 /*tFAW  */ {40000, 0},
982 /*tDQSCK*/ {3600, 0},
983 /*tCKEHCMD*/ {7500, 3},
984 /*tCKELCMD*/ {7500, 3},
985 /*tCKELPD*/ {7500, 3},
986 /*tMRR*/ {0, 8},
987 /*tMRW*/ {10000, 10},
988 /*tMRD*/ {14000, 10},
989 /*tZQCALns*/ {1000 * 10, 0},
990 /*tZQLAT*/ {30000, 10},
991 /*tIEdly*/ {12500, 0},
992 /*tODTon_min*/ {1500, 0}
993 	}
994 };
995 
996 const uint16_t jedec_spec2_trfc_ab[7] = {
997 /*	4Gb, 6Gb, 8Gb,12Gb, 16Gb, 24Gb(non), 32Gb(non)	*/
998 	 130, 180, 180, 280, 280, 560, 560
999 };
1000 
1001 static uint32_t js1_ind;
1002 static uint16_t js2[JS2_CNT];
1003 static uint8_t RL;
1004 static uint8_t WL;
1005 
_f_scale(uint32_t _ddr_mbps,uint32_t _ddr_mbpsdiv,uint32_t ps,uint16_t cyc)1006 static uint16_t _f_scale(uint32_t _ddr_mbps, uint32_t _ddr_mbpsdiv, uint32_t ps,
1007 			 uint16_t cyc)
1008 {
1009 	uint32_t tmp;
1010 	uint32_t div;
1011 
1012 	tmp = (((uint32_t)(ps) + 9) / 10) * _ddr_mbps;
1013 	div = tmp / (200000 * _ddr_mbpsdiv);
1014 	if (tmp != (div * 200000 * _ddr_mbpsdiv))
1015 		div = div + 1;
1016 
1017 	if (div > cyc)
1018 		return (uint16_t)div;
1019 	return cyc;
1020 }
1021 
_f_scale_js2(uint32_t _ddr_mbps,uint32_t _ddr_mbpsdiv,uint16_t * _js2)1022 static void _f_scale_js2(uint32_t _ddr_mbps, uint32_t _ddr_mbpsdiv,
1023 			 uint16_t *_js2)
1024 {
1025 	int i;
1026 
1027 	for (i = 0; i < JS2_TBLCNT; i++) {
1028 		_js2[i] = _f_scale(_ddr_mbps, _ddr_mbpsdiv,
1029 				  1UL * jedec_spec2[JS2_DERATE][i].ps,
1030 				  jedec_spec2[JS2_DERATE][i].cyc);
1031 	}
1032 
1033 	_js2[js2_trcpb] = _js2[js2_tras] + _js2[js2_trppb];
1034 	_js2[js2_trcab] = _js2[js2_tras] + _js2[js2_trpab];
1035 }
1036 
1037 /* scaler for DELAY value */
_f_scale_adj(int16_t ps)1038 static int16_t _f_scale_adj(int16_t ps)
1039 {
1040 	int32_t tmp;
1041 	/*
1042 	 * tmp = (int32_t)512 * ps * ddr_mbps /2 / ddr_mbpsdiv / 1000 / 1000;
1043 	 *     = ps * ddr_mbps /2 / ddr_mbpsdiv *512 / 8 / 8 / 125 / 125
1044 	 *     = ps * ddr_mbps / ddr_mbpsdiv *4 / 125 / 125
1045 	 */
1046 	tmp =
1047 	    (int32_t)4 * (int32_t)ps * (int32_t)ddr_mbps /
1048 	    (int32_t)ddr_mbpsdiv;
1049 	tmp = (int32_t)tmp / (int32_t)15625;
1050 
1051 	return (int16_t)tmp;
1052 }
1053 
1054 static const uint32_t reg_pi_mr1_data_fx_csx[2][CSAB_CNT] = {
1055 	{
1056 	 _reg_PI_MR1_DATA_F0_0,
1057 	 _reg_PI_MR1_DATA_F0_1,
1058 	 _reg_PI_MR1_DATA_F0_2,
1059 	 _reg_PI_MR1_DATA_F0_3},
1060 	{
1061 	 _reg_PI_MR1_DATA_F1_0,
1062 	 _reg_PI_MR1_DATA_F1_1,
1063 	 _reg_PI_MR1_DATA_F1_2,
1064 	 _reg_PI_MR1_DATA_F1_3}
1065 };
1066 
1067 static const uint32_t reg_pi_mr2_data_fx_csx[2][CSAB_CNT] = {
1068 	{
1069 	 _reg_PI_MR2_DATA_F0_0,
1070 	 _reg_PI_MR2_DATA_F0_1,
1071 	 _reg_PI_MR2_DATA_F0_2,
1072 	 _reg_PI_MR2_DATA_F0_3},
1073 	{
1074 	 _reg_PI_MR2_DATA_F1_0,
1075 	 _reg_PI_MR2_DATA_F1_1,
1076 	 _reg_PI_MR2_DATA_F1_2,
1077 	 _reg_PI_MR2_DATA_F1_3}
1078 };
1079 
1080 static const uint32_t reg_pi_mr3_data_fx_csx[2][CSAB_CNT] = {
1081 	{
1082 	 _reg_PI_MR3_DATA_F0_0,
1083 	 _reg_PI_MR3_DATA_F0_1,
1084 	 _reg_PI_MR3_DATA_F0_2,
1085 	 _reg_PI_MR3_DATA_F0_3},
1086 	{
1087 	 _reg_PI_MR3_DATA_F1_0,
1088 	 _reg_PI_MR3_DATA_F1_1,
1089 	 _reg_PI_MR3_DATA_F1_2,
1090 	 _reg_PI_MR3_DATA_F1_3}
1091 };
1092 
1093 const uint32_t reg_pi_mr11_data_fx_csx[2][CSAB_CNT] = {
1094 	{
1095 	 _reg_PI_MR11_DATA_F0_0,
1096 	 _reg_PI_MR11_DATA_F0_1,
1097 	 _reg_PI_MR11_DATA_F0_2,
1098 	 _reg_PI_MR11_DATA_F0_3},
1099 	{
1100 	 _reg_PI_MR11_DATA_F1_0,
1101 	 _reg_PI_MR11_DATA_F1_1,
1102 	 _reg_PI_MR11_DATA_F1_2,
1103 	 _reg_PI_MR11_DATA_F1_3}
1104 };
1105 
1106 const uint32_t reg_pi_mr12_data_fx_csx[2][CSAB_CNT] = {
1107 	{
1108 	 _reg_PI_MR12_DATA_F0_0,
1109 	 _reg_PI_MR12_DATA_F0_1,
1110 	 _reg_PI_MR12_DATA_F0_2,
1111 	 _reg_PI_MR12_DATA_F0_3},
1112 	{
1113 	 _reg_PI_MR12_DATA_F1_0,
1114 	 _reg_PI_MR12_DATA_F1_1,
1115 	 _reg_PI_MR12_DATA_F1_2,
1116 	 _reg_PI_MR12_DATA_F1_3}
1117 };
1118 
1119 const uint32_t reg_pi_mr14_data_fx_csx[2][CSAB_CNT] = {
1120 	{
1121 	 _reg_PI_MR14_DATA_F0_0,
1122 	 _reg_PI_MR14_DATA_F0_1,
1123 	 _reg_PI_MR14_DATA_F0_2,
1124 	 _reg_PI_MR14_DATA_F0_3},
1125 	{
1126 	 _reg_PI_MR14_DATA_F1_0,
1127 	 _reg_PI_MR14_DATA_F1_1,
1128 	 _reg_PI_MR14_DATA_F1_2,
1129 	 _reg_PI_MR14_DATA_F1_3}
1130 };
1131 
1132 /*
1133  * regif pll w/a   ( REGIF H3 Ver.2.0 or later/M3-N/V3H WA )
1134  */
regif_pll_wa(void)1135 static void regif_pll_wa(void)
1136 {
1137 	uint32_t ch;
1138 
1139 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) {
1140 		// PLL setting for PHY : H3 Ver.1.x
1141 		reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_PLL_WAIT),
1142 				   (0x0064U <<
1143 				    ddr_regdef_lsb(_reg_PHY_PLL_WAIT)));
1144 		reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_PLL_CTRL),
1145 				   ddrtbl_getval(_cnf_DDR_PHY_ADR_G_REGSET,
1146 						 _reg_PHY_PLL_CTRL));
1147 
1148 		reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_LP4_BOOT_PLL_CTRL),
1149 				   ddrtbl_getval(_cnf_DDR_PHY_ADR_G_REGSET,
1150 						 _reg_PHY_LP4_BOOT_PLL_CTRL));
1151 
1152 	} else {
1153 		/*  PLL setting for PHY : M3-W/M3-N/V3H/H3 Ver.2.0 or later */
1154 		reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_PLL_WAIT),
1155 				   (0x5064U <<
1156 				    ddr_regdef_lsb(_reg_PHY_PLL_WAIT)));
1157 
1158 		reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_PLL_CTRL),
1159 				   (ddrtbl_getval
1160 				    (_cnf_DDR_PHY_ADR_G_REGSET,
1161 				     _reg_PHY_PLL_CTRL_TOP) << 16) |
1162 				   ddrtbl_getval(_cnf_DDR_PHY_ADR_G_REGSET,
1163 						 _reg_PHY_PLL_CTRL));
1164 		reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_PLL_CTRL_CA),
1165 				   ddrtbl_getval(_cnf_DDR_PHY_ADR_G_REGSET,
1166 						 _reg_PHY_PLL_CTRL_CA));
1167 
1168 		reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_LP4_BOOT_PLL_CTRL),
1169 				   (ddrtbl_getval
1170 				    (_cnf_DDR_PHY_ADR_G_REGSET,
1171 				     _reg_PHY_LP4_BOOT_PLL_CTRL_CA) << 16) |
1172 				   ddrtbl_getval(_cnf_DDR_PHY_ADR_G_REGSET,
1173 						 _reg_PHY_LP4_BOOT_PLL_CTRL));
1174 		reg_ddrphy_write_a(ddr_regdef_adr
1175 				   (_reg_PHY_LP4_BOOT_TOP_PLL_CTRL),
1176 				   ddrtbl_getval(_cnf_DDR_PHY_ADR_G_REGSET,
1177 						 _reg_PHY_LP4_BOOT_TOP_PLL_CTRL
1178 						 ));
1179 	}
1180 
1181 	reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_LPDDR3_CS),
1182 			   _cnf_DDR_PHY_ADR_G_REGSET
1183 			   [ddr_regdef_adr(_reg_PHY_LPDDR3_CS) -
1184 			   DDR_PHY_ADR_G_REGSET_OFS]);
1185 
1186 	/* protect register interface */
1187 	ddrphy_regif_idle();
1188 	pll3_control(0);
1189 
1190 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) {
1191 		/*  non */
1192 	} else {
1193 		reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_DLL_RST_EN),
1194 				   (0x01U <<
1195 				    ddr_regdef_lsb(_reg_PHY_DLL_RST_EN)));
1196 		ddrphy_regif_idle();
1197 	}
1198 
1199 	/* init start */
1200 	/* dbdficnt0:
1201 	 * dfi_dram_clk_disable=1
1202 	 * dfi_frequency = 0
1203 	 * freq_ratio = 01 (2:1)
1204 	 * init_start =0
1205 	 */
1206 	foreach_vch(ch)
1207 	    mmio_write_32(DBSC_DBDFICNT(ch), 0x00000F10);
1208 	dsb_sev();
1209 
1210 	/* dbdficnt0:
1211 	 * dfi_dram_clk_disable=1
1212 	 * dfi_frequency = 0
1213 	 * freq_ratio = 01 (2:1)
1214 	 * init_start =1
1215 	 */
1216 	foreach_vch(ch)
1217 	    mmio_write_32(DBSC_DBDFICNT(ch), 0x00000F11);
1218 	dsb_sev();
1219 
1220 	foreach_ech(ch)
1221 	if ((board_cnf->phyvalid) & BIT(ch))
1222 		while ((mmio_read_32(DBSC_PLL_LOCK(ch)) & 0x1f) != 0x1f)
1223 			;
1224 	dsb_sev();
1225 }
1226 
1227 /* load table data into DDR registers */
ddrtbl_load(void)1228 static void ddrtbl_load(void)
1229 {
1230 	uint32_t i;
1231 	uint32_t slice;
1232 	uint32_t csab;
1233 	uint32_t adr;
1234 	uint32_t data_l;
1235 	uint32_t tmp[3];
1236 	uint16_t dataS;
1237 
1238 	/* TIMING REGISTERS */
1239 	/* search jedec_spec1 index */
1240 	for (i = JS1_USABLEC_SPEC_LO; i < JS1_FREQ_TBL_NUM - 1; i++) {
1241 		if (js1[i].fx3 * 2U * ddr_mbpsdiv >= ddr_mbps * 3U)
1242 			break;
1243 	}
1244 	if (i > JS1_USABLEC_SPEC_HI)
1245 		js1_ind = JS1_USABLEC_SPEC_HI;
1246 	else
1247 		js1_ind = i;
1248 
1249 	if (board_cnf->dbi_en)
1250 		RL = js1[js1_ind].rlwdbi;
1251 	else
1252 		RL = js1[js1_ind].rlwodbi;
1253 
1254 	WL = js1[js1_ind].WL;
1255 
1256 	/* calculate jedec_spec2 */
1257 	_f_scale_js2(ddr_mbps, ddr_mbpsdiv, js2);
1258 
1259 	/* PREPARE TBL */
1260 	if (prr_product == PRR_PRODUCT_H3) {
1261 		if (prr_cut <= PRR_PRODUCT_11) {
1262 			/*  H3 Ver.1.x */
1263 			_tblcopy(_cnf_DDR_PHY_SLICE_REGSET,
1264 				 DDR_PHY_SLICE_REGSET_H3,
1265 				 DDR_PHY_SLICE_REGSET_NUM_H3);
1266 			_tblcopy(_cnf_DDR_PHY_ADR_V_REGSET,
1267 				 DDR_PHY_ADR_V_REGSET_H3,
1268 				 DDR_PHY_ADR_V_REGSET_NUM_H3);
1269 			_tblcopy(_cnf_DDR_PHY_ADR_I_REGSET,
1270 				 DDR_PHY_ADR_I_REGSET_H3,
1271 				 DDR_PHY_ADR_I_REGSET_NUM_H3);
1272 			_tblcopy(_cnf_DDR_PHY_ADR_G_REGSET,
1273 				 DDR_PHY_ADR_G_REGSET_H3,
1274 				 DDR_PHY_ADR_G_REGSET_NUM_H3);
1275 			_tblcopy(_cnf_DDR_PI_REGSET, DDR_PI_REGSET_H3,
1276 				 DDR_PI_REGSET_NUM_H3);
1277 
1278 			DDR_PHY_SLICE_REGSET_OFS = DDR_PHY_SLICE_REGSET_OFS_H3;
1279 			DDR_PHY_ADR_V_REGSET_OFS = DDR_PHY_ADR_V_REGSET_OFS_H3;
1280 			DDR_PHY_ADR_I_REGSET_OFS = DDR_PHY_ADR_I_REGSET_OFS_H3;
1281 			DDR_PHY_ADR_G_REGSET_OFS = DDR_PHY_ADR_G_REGSET_OFS_H3;
1282 			DDR_PI_REGSET_OFS = DDR_PI_REGSET_OFS_H3;
1283 			DDR_PHY_SLICE_REGSET_SIZE =
1284 			    DDR_PHY_SLICE_REGSET_SIZE_H3;
1285 			DDR_PHY_ADR_V_REGSET_SIZE =
1286 			    DDR_PHY_ADR_V_REGSET_SIZE_H3;
1287 			DDR_PHY_ADR_I_REGSET_SIZE =
1288 			    DDR_PHY_ADR_I_REGSET_SIZE_H3;
1289 			DDR_PHY_ADR_G_REGSET_SIZE =
1290 			    DDR_PHY_ADR_G_REGSET_SIZE_H3;
1291 			DDR_PI_REGSET_SIZE = DDR_PI_REGSET_SIZE_H3;
1292 			DDR_PHY_SLICE_REGSET_NUM = DDR_PHY_SLICE_REGSET_NUM_H3;
1293 			DDR_PHY_ADR_V_REGSET_NUM = DDR_PHY_ADR_V_REGSET_NUM_H3;
1294 			DDR_PHY_ADR_I_REGSET_NUM = DDR_PHY_ADR_I_REGSET_NUM_H3;
1295 			DDR_PHY_ADR_G_REGSET_NUM = DDR_PHY_ADR_G_REGSET_NUM_H3;
1296 			DDR_PI_REGSET_NUM = DDR_PI_REGSET_NUM_H3;
1297 
1298 			DDR_PHY_ADR_I_NUM = 1;
1299 		} else {
1300 			/*  H3 Ver.2.0 or later */
1301 			_tblcopy(_cnf_DDR_PHY_SLICE_REGSET,
1302 				 DDR_PHY_SLICE_REGSET_H3VER2,
1303 				 DDR_PHY_SLICE_REGSET_NUM_H3VER2);
1304 			_tblcopy(_cnf_DDR_PHY_ADR_V_REGSET,
1305 				 DDR_PHY_ADR_V_REGSET_H3VER2,
1306 				 DDR_PHY_ADR_V_REGSET_NUM_H3VER2);
1307 			_tblcopy(_cnf_DDR_PHY_ADR_G_REGSET,
1308 				 DDR_PHY_ADR_G_REGSET_H3VER2,
1309 				 DDR_PHY_ADR_G_REGSET_NUM_H3VER2);
1310 			_tblcopy(_cnf_DDR_PI_REGSET, DDR_PI_REGSET_H3VER2,
1311 				 DDR_PI_REGSET_NUM_H3VER2);
1312 
1313 			DDR_PHY_SLICE_REGSET_OFS =
1314 			    DDR_PHY_SLICE_REGSET_OFS_H3VER2;
1315 			DDR_PHY_ADR_V_REGSET_OFS =
1316 			    DDR_PHY_ADR_V_REGSET_OFS_H3VER2;
1317 			DDR_PHY_ADR_G_REGSET_OFS =
1318 			    DDR_PHY_ADR_G_REGSET_OFS_H3VER2;
1319 			DDR_PI_REGSET_OFS = DDR_PI_REGSET_OFS_H3VER2;
1320 			DDR_PHY_SLICE_REGSET_SIZE =
1321 			    DDR_PHY_SLICE_REGSET_SIZE_H3VER2;
1322 			DDR_PHY_ADR_V_REGSET_SIZE =
1323 			    DDR_PHY_ADR_V_REGSET_SIZE_H3VER2;
1324 			DDR_PHY_ADR_G_REGSET_SIZE =
1325 			    DDR_PHY_ADR_G_REGSET_SIZE_H3VER2;
1326 			DDR_PI_REGSET_SIZE = DDR_PI_REGSET_SIZE_H3VER2;
1327 			DDR_PHY_SLICE_REGSET_NUM =
1328 			    DDR_PHY_SLICE_REGSET_NUM_H3VER2;
1329 			DDR_PHY_ADR_V_REGSET_NUM =
1330 			    DDR_PHY_ADR_V_REGSET_NUM_H3VER2;
1331 			DDR_PHY_ADR_G_REGSET_NUM =
1332 			    DDR_PHY_ADR_G_REGSET_NUM_H3VER2;
1333 			DDR_PI_REGSET_NUM = DDR_PI_REGSET_NUM_H3VER2;
1334 
1335 			DDR_PHY_ADR_I_NUM = 0;
1336 		}
1337 	} else if (prr_product == PRR_PRODUCT_M3) {
1338 		/*  M3-W */
1339 		_tblcopy(_cnf_DDR_PHY_SLICE_REGSET,
1340 			 DDR_PHY_SLICE_REGSET_M3, DDR_PHY_SLICE_REGSET_NUM_M3);
1341 		_tblcopy(_cnf_DDR_PHY_ADR_V_REGSET,
1342 			 DDR_PHY_ADR_V_REGSET_M3, DDR_PHY_ADR_V_REGSET_NUM_M3);
1343 		_tblcopy(_cnf_DDR_PHY_ADR_I_REGSET,
1344 			 DDR_PHY_ADR_I_REGSET_M3, DDR_PHY_ADR_I_REGSET_NUM_M3);
1345 		_tblcopy(_cnf_DDR_PHY_ADR_G_REGSET,
1346 			 DDR_PHY_ADR_G_REGSET_M3, DDR_PHY_ADR_G_REGSET_NUM_M3);
1347 		_tblcopy(_cnf_DDR_PI_REGSET,
1348 			 DDR_PI_REGSET_M3, DDR_PI_REGSET_NUM_M3);
1349 
1350 		DDR_PHY_SLICE_REGSET_OFS = DDR_PHY_SLICE_REGSET_OFS_M3;
1351 		DDR_PHY_ADR_V_REGSET_OFS = DDR_PHY_ADR_V_REGSET_OFS_M3;
1352 		DDR_PHY_ADR_I_REGSET_OFS = DDR_PHY_ADR_I_REGSET_OFS_M3;
1353 		DDR_PHY_ADR_G_REGSET_OFS = DDR_PHY_ADR_G_REGSET_OFS_M3;
1354 		DDR_PI_REGSET_OFS = DDR_PI_REGSET_OFS_M3;
1355 		DDR_PHY_SLICE_REGSET_SIZE = DDR_PHY_SLICE_REGSET_SIZE_M3;
1356 		DDR_PHY_ADR_V_REGSET_SIZE = DDR_PHY_ADR_V_REGSET_SIZE_M3;
1357 		DDR_PHY_ADR_I_REGSET_SIZE = DDR_PHY_ADR_I_REGSET_SIZE_M3;
1358 		DDR_PHY_ADR_G_REGSET_SIZE = DDR_PHY_ADR_G_REGSET_SIZE_M3;
1359 		DDR_PI_REGSET_SIZE = DDR_PI_REGSET_SIZE_M3;
1360 		DDR_PHY_SLICE_REGSET_NUM = DDR_PHY_SLICE_REGSET_NUM_M3;
1361 		DDR_PHY_ADR_V_REGSET_NUM = DDR_PHY_ADR_V_REGSET_NUM_M3;
1362 		DDR_PHY_ADR_I_REGSET_NUM = DDR_PHY_ADR_I_REGSET_NUM_M3;
1363 		DDR_PHY_ADR_G_REGSET_NUM = DDR_PHY_ADR_G_REGSET_NUM_M3;
1364 		DDR_PI_REGSET_NUM = DDR_PI_REGSET_NUM_M3;
1365 
1366 		DDR_PHY_ADR_I_NUM = 2;
1367 	} else {
1368 		/*  M3-N/V3H */
1369 		_tblcopy(_cnf_DDR_PHY_SLICE_REGSET,
1370 			 DDR_PHY_SLICE_REGSET_M3N,
1371 			 DDR_PHY_SLICE_REGSET_NUM_M3N);
1372 		_tblcopy(_cnf_DDR_PHY_ADR_V_REGSET, DDR_PHY_ADR_V_REGSET_M3N,
1373 			 DDR_PHY_ADR_V_REGSET_NUM_M3N);
1374 		_tblcopy(_cnf_DDR_PHY_ADR_I_REGSET, DDR_PHY_ADR_I_REGSET_M3N,
1375 			 DDR_PHY_ADR_I_REGSET_NUM_M3N);
1376 		_tblcopy(_cnf_DDR_PHY_ADR_G_REGSET, DDR_PHY_ADR_G_REGSET_M3N,
1377 			 DDR_PHY_ADR_G_REGSET_NUM_M3N);
1378 		_tblcopy(_cnf_DDR_PI_REGSET, DDR_PI_REGSET_M3N,
1379 			 DDR_PI_REGSET_NUM_M3N);
1380 
1381 		DDR_PHY_SLICE_REGSET_OFS = DDR_PHY_SLICE_REGSET_OFS_M3N;
1382 		DDR_PHY_ADR_V_REGSET_OFS = DDR_PHY_ADR_V_REGSET_OFS_M3N;
1383 		DDR_PHY_ADR_I_REGSET_OFS = DDR_PHY_ADR_I_REGSET_OFS_M3N;
1384 		DDR_PHY_ADR_G_REGSET_OFS = DDR_PHY_ADR_G_REGSET_OFS_M3N;
1385 		DDR_PI_REGSET_OFS = DDR_PI_REGSET_OFS_M3N;
1386 		DDR_PHY_SLICE_REGSET_SIZE = DDR_PHY_SLICE_REGSET_SIZE_M3N;
1387 		DDR_PHY_ADR_V_REGSET_SIZE = DDR_PHY_ADR_V_REGSET_SIZE_M3N;
1388 		DDR_PHY_ADR_I_REGSET_SIZE = DDR_PHY_ADR_I_REGSET_SIZE_M3N;
1389 		DDR_PHY_ADR_G_REGSET_SIZE = DDR_PHY_ADR_G_REGSET_SIZE_M3N;
1390 		DDR_PI_REGSET_SIZE = DDR_PI_REGSET_SIZE_M3N;
1391 		DDR_PHY_SLICE_REGSET_NUM = DDR_PHY_SLICE_REGSET_NUM_M3N;
1392 		DDR_PHY_ADR_V_REGSET_NUM = DDR_PHY_ADR_V_REGSET_NUM_M3N;
1393 		DDR_PHY_ADR_I_REGSET_NUM = DDR_PHY_ADR_I_REGSET_NUM_M3N;
1394 		DDR_PHY_ADR_G_REGSET_NUM = DDR_PHY_ADR_G_REGSET_NUM_M3N;
1395 		DDR_PI_REGSET_NUM = DDR_PI_REGSET_NUM_M3N;
1396 
1397 		DDR_PHY_ADR_I_NUM = 2;
1398 	}
1399 
1400 	/* PLL CODE CHANGE */
1401 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut == PRR_PRODUCT_11)) {
1402 		ddrtbl_setval(_cnf_DDR_PHY_ADR_G_REGSET, _reg_PHY_PLL_CTRL,
1403 			      0x1142);
1404 		ddrtbl_setval(_cnf_DDR_PHY_ADR_G_REGSET,
1405 			      _reg_PHY_LP4_BOOT_PLL_CTRL, 0x1142);
1406 	}
1407 
1408 	/* on fly gate adjust */
1409 	if ((prr_product == PRR_PRODUCT_M3) && (prr_cut == PRR_PRODUCT_10)) {
1410 		ddrtbl_setval(_cnf_DDR_PHY_SLICE_REGSET,
1411 			      _reg_ON_FLY_GATE_ADJUST_EN, 0x00);
1412 	}
1413 
1414 	/* Adjust PI parameters */
1415 #ifdef _def_LPDDR4_ODT
1416 	for (i = 0; i < 2; i++) {
1417 		for (csab = 0; csab < CSAB_CNT; csab++) {
1418 			ddrtbl_setval(_cnf_DDR_PI_REGSET,
1419 				      reg_pi_mr11_data_fx_csx[i][csab],
1420 				      _def_LPDDR4_ODT);
1421 		}
1422 	}
1423 #endif /* _def_LPDDR4_ODT */
1424 
1425 #ifdef _def_LPDDR4_VREFCA
1426 	for (i = 0; i < 2; i++) {
1427 		for (csab = 0; csab < CSAB_CNT; csab++) {
1428 			ddrtbl_setval(_cnf_DDR_PI_REGSET,
1429 				      reg_pi_mr12_data_fx_csx[i][csab],
1430 				      _def_LPDDR4_VREFCA);
1431 		}
1432 	}
1433 #endif /* _def_LPDDR4_VREFCA */
1434 	if ((prr_product == PRR_PRODUCT_M3N) ||
1435 	    (prr_product == PRR_PRODUCT_V3H)) {
1436 		js2[js2_tiedly] = _f_scale(ddr_mbps, ddr_mbpsdiv, 7000, 0) + 7U;
1437 		if (js2[js2_tiedly] > (RL))
1438 			js2[js2_tiedly] = RL;
1439 	} else if ((prr_product == PRR_PRODUCT_H3) &&
1440 		   (prr_cut > PRR_PRODUCT_11)) {
1441 		js2[js2_tiedly] = _f_scale(ddr_mbps, ddr_mbpsdiv, 9000, 0) + 4U;
1442 	} else if ((prr_product == PRR_PRODUCT_H3) &&
1443 		   (prr_cut <= PRR_PRODUCT_11)) {
1444 		js2[js2_tiedly] = _f_scale(ddr_mbps, ddr_mbpsdiv, 10000, 0);
1445 	}
1446 
1447 	if (((prr_product == PRR_PRODUCT_H3) && (prr_cut > PRR_PRODUCT_11)) ||
1448 	    (prr_product == PRR_PRODUCT_M3N) ||
1449 	    (prr_product == PRR_PRODUCT_V3H)) {
1450 		if ((js2[js2_tiedly]) >= 0x1e)
1451 			dataS = 0x1e;
1452 		else
1453 			dataS = js2[js2_tiedly];
1454 	} else {
1455 		if ((js2[js2_tiedly]) >= 0x0e)
1456 			dataS = 0x0e;
1457 		else
1458 			dataS = js2[js2_tiedly];
1459 	}
1460 
1461 	ddrtbl_setval(_cnf_DDR_PHY_SLICE_REGSET, _reg_PHY_RDDATA_EN_DLY, dataS);
1462 	ddrtbl_setval(_cnf_DDR_PHY_SLICE_REGSET, _reg_PHY_RDDATA_EN_TSEL_DLY,
1463 		      (dataS - 2));
1464 	if ((prr_product == PRR_PRODUCT_M3N) ||
1465 	    (prr_product == PRR_PRODUCT_V3H)) {
1466 		ddrtbl_setval(_cnf_DDR_PHY_SLICE_REGSET,
1467 			      _reg_PHY_RDDATA_EN_OE_DLY, dataS - 2);
1468 	}
1469 	ddrtbl_setval(_cnf_DDR_PI_REGSET, _reg_PI_RDLAT_ADJ_F1, RL - dataS);
1470 
1471 	if (ddrtbl_getval
1472 	    (_cnf_DDR_PHY_SLICE_REGSET, _reg_PHY_WRITE_PATH_LAT_ADD)) {
1473 		data_l = WL - 1;
1474 	} else {
1475 		data_l = WL;
1476 	}
1477 	ddrtbl_setval(_cnf_DDR_PI_REGSET, _reg_PI_WRLAT_ADJ_F1, data_l - 2);
1478 	ddrtbl_setval(_cnf_DDR_PI_REGSET, _reg_PI_WRLAT_F1, data_l);
1479 
1480 	if (board_cnf->dbi_en) {
1481 		ddrtbl_setval(_cnf_DDR_PHY_SLICE_REGSET, _reg_PHY_DBI_MODE,
1482 			      0x01);
1483 		ddrtbl_setval(_cnf_DDR_PHY_SLICE_REGSET,
1484 			      _reg_PHY_WDQLVL_DATADM_MASK, 0x000);
1485 	} else {
1486 		ddrtbl_setval(_cnf_DDR_PHY_SLICE_REGSET, _reg_PHY_DBI_MODE,
1487 			      0x00);
1488 		ddrtbl_setval(_cnf_DDR_PHY_SLICE_REGSET,
1489 			      _reg_PHY_WDQLVL_DATADM_MASK, 0x100);
1490 	}
1491 
1492 	tmp[0] = js1[js1_ind].MR1;
1493 	tmp[1] = js1[js1_ind].MR2;
1494 	data_l = ddrtbl_getval(_cnf_DDR_PI_REGSET, _reg_PI_MR3_DATA_F1_0);
1495 	if (board_cnf->dbi_en)
1496 		tmp[2] = data_l | 0xc0;
1497 	else
1498 		tmp[2] = data_l & (~0xc0);
1499 
1500 	for (i = 0; i < 2; i++) {
1501 		for (csab = 0; csab < CSAB_CNT; csab++) {
1502 			ddrtbl_setval(_cnf_DDR_PI_REGSET,
1503 				      reg_pi_mr1_data_fx_csx[i][csab], tmp[0]);
1504 			ddrtbl_setval(_cnf_DDR_PI_REGSET,
1505 				      reg_pi_mr2_data_fx_csx[i][csab], tmp[1]);
1506 			ddrtbl_setval(_cnf_DDR_PI_REGSET,
1507 				      reg_pi_mr3_data_fx_csx[i][csab], tmp[2]);
1508 		}
1509 	}
1510 
1511 	/* DDRPHY INT START */
1512 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) {
1513 		/* non */
1514 	} else {
1515 		regif_pll_wa();
1516 		dbwait_loop(5);
1517 	}
1518 
1519 	/* FREQ_SEL_MULTICAST & PER_CS_TRAINING_MULTICAST SET (for safety) */
1520 	reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_FREQ_SEL_MULTICAST_EN),
1521 			   BIT(ddr_regdef_lsb(_reg_PHY_FREQ_SEL_MULTICAST_EN)));
1522 	ddr_setval_ach_as(_reg_PHY_PER_CS_TRAINING_MULTICAST_EN, 0x01);
1523 
1524 	/* SET DATA SLICE TABLE */
1525 	for (slice = 0; slice < SLICE_CNT; slice++) {
1526 		adr =
1527 		    DDR_PHY_SLICE_REGSET_OFS +
1528 		    DDR_PHY_SLICE_REGSET_SIZE * slice;
1529 		for (i = 0; i < DDR_PHY_SLICE_REGSET_NUM; i++) {
1530 			reg_ddrphy_write_a(adr + i,
1531 					   _cnf_DDR_PHY_SLICE_REGSET[i]);
1532 		}
1533 	}
1534 
1535 	/* SET ADR SLICE TABLE */
1536 	adr = DDR_PHY_ADR_V_REGSET_OFS;
1537 	for (i = 0; i < DDR_PHY_ADR_V_REGSET_NUM; i++) {
1538 		reg_ddrphy_write_a(adr + i, _cnf_DDR_PHY_ADR_V_REGSET[i]);
1539 	}
1540 
1541 	if (((prr_product == PRR_PRODUCT_M3) ||
1542 	     (prr_product == PRR_PRODUCT_M3N)) &&
1543 	    ((0x00ffffff & (uint32_t)((board_cnf->ch[0].ca_swap) >> 40))
1544 	    != 0x00)) {
1545 		adr = DDR_PHY_ADR_I_REGSET_OFS + DDR_PHY_ADR_I_REGSET_SIZE;
1546 		for (i = 0; i < DDR_PHY_ADR_V_REGSET_NUM; i++) {
1547 			reg_ddrphy_write_a(adr + i,
1548 					   _cnf_DDR_PHY_ADR_V_REGSET[i]);
1549 		}
1550 		ddrtbl_setval(_cnf_DDR_PHY_ADR_G_REGSET,
1551 			      _reg_PHY_ADR_DISABLE, 0x02);
1552 		DDR_PHY_ADR_I_NUM -= 1;
1553 		ddr_phycaslice = 1;
1554 
1555 #ifndef _def_LPDDR4_ODT
1556 		for (i = 0; i < 2; i++) {
1557 			for (csab = 0; csab < CSAB_CNT; csab++) {
1558 				ddrtbl_setval(_cnf_DDR_PI_REGSET,
1559 					      reg_pi_mr11_data_fx_csx[i][csab],
1560 					      0x66);
1561 			}
1562 		}
1563 #endif/* _def_LPDDR4_ODT */
1564 	} else {
1565 		ddr_phycaslice = 0;
1566 	}
1567 
1568 	if (DDR_PHY_ADR_I_NUM > 0) {
1569 		for (slice = 0; slice < DDR_PHY_ADR_I_NUM; slice++) {
1570 			adr =
1571 			    DDR_PHY_ADR_I_REGSET_OFS +
1572 			    DDR_PHY_ADR_I_REGSET_SIZE * slice;
1573 			for (i = 0; i < DDR_PHY_ADR_I_REGSET_NUM; i++) {
1574 				reg_ddrphy_write_a(adr + i,
1575 						   _cnf_DDR_PHY_ADR_I_REGSET
1576 						   [i]);
1577 			}
1578 		}
1579 	}
1580 
1581 	/* SET ADRCTRL SLICE TABLE */
1582 	adr = DDR_PHY_ADR_G_REGSET_OFS;
1583 	for (i = 0; i < DDR_PHY_ADR_G_REGSET_NUM; i++) {
1584 		reg_ddrphy_write_a(adr + i, _cnf_DDR_PHY_ADR_G_REGSET[i]);
1585 	}
1586 
1587 	/* SET PI REGISTERS */
1588 	adr = DDR_PI_REGSET_OFS;
1589 	for (i = 0; i < DDR_PI_REGSET_NUM; i++) {
1590 		reg_ddrphy_write_a(adr + i, _cnf_DDR_PI_REGSET[i]);
1591 	}
1592 }
1593 
1594 /* CONFIGURE DDR REGISTERS */
ddr_config_sub(void)1595 static void ddr_config_sub(void)
1596 {
1597 	uint32_t i;
1598 	uint32_t ch, slice;
1599 	uint32_t data_l;
1600 	uint32_t tmp;
1601 	uint8_t high_byte[SLICE_CNT];
1602 	const uint32_t _par_CALVL_DEVICE_MAP = 1;
1603 
1604 	foreach_vch(ch) {
1605 	/* BOARD SETTINGS (DQ,DM,VREF_DRIVING) */
1606 		for (slice = 0; slice < SLICE_CNT; slice++) {
1607 			high_byte[slice] =
1608 			    (board_cnf->ch[ch].dqs_swap >> (4 * slice)) % 2;
1609 			ddr_setval_s(ch, slice, _reg_PHY_DQ_DM_SWIZZLE0,
1610 				     board_cnf->ch[ch].dq_swap[slice]);
1611 			ddr_setval_s(ch, slice, _reg_PHY_DQ_DM_SWIZZLE1,
1612 				     board_cnf->ch[ch].dm_swap[slice]);
1613 			if (high_byte[slice]) {
1614 				/* HIGHER 16 BYTE */
1615 				ddr_setval_s(ch, slice,
1616 					     _reg_PHY_CALVL_VREF_DRIVING_SLICE,
1617 					     0x00);
1618 			} else {
1619 				/* LOWER 16 BYTE */
1620 				ddr_setval_s(ch, slice,
1621 					     _reg_PHY_CALVL_VREF_DRIVING_SLICE,
1622 					     0x01);
1623 			}
1624 		}
1625 
1626 	/* BOARD SETTINGS (CA,ADDR_SEL) */
1627 		data_l = (0x00ffffff & (uint32_t)(board_cnf->ch[ch].ca_swap)) |
1628 			0x00888888;
1629 
1630 		/* --- ADR_CALVL_SWIZZLE --- */
1631 		if (prr_product == PRR_PRODUCT_M3) {
1632 			ddr_setval(ch, _reg_PHY_ADR_CALVL_SWIZZLE0_0, data_l);
1633 			ddr_setval(ch, _reg_PHY_ADR_CALVL_SWIZZLE1_0,
1634 				   0x00000000);
1635 			ddr_setval(ch, _reg_PHY_ADR_CALVL_SWIZZLE0_1, data_l);
1636 			ddr_setval(ch, _reg_PHY_ADR_CALVL_SWIZZLE1_1,
1637 				   0x00000000);
1638 			ddr_setval(ch, _reg_PHY_ADR_CALVL_DEVICE_MAP,
1639 				   _par_CALVL_DEVICE_MAP);
1640 		} else {
1641 			ddr_setval(ch, _reg_PHY_ADR_CALVL_SWIZZLE0, data_l);
1642 			ddr_setval(ch, _reg_PHY_ADR_CALVL_SWIZZLE1, 0x00000000);
1643 			ddr_setval(ch, _reg_PHY_CALVL_DEVICE_MAP,
1644 				   _par_CALVL_DEVICE_MAP);
1645 		}
1646 
1647 		/* --- ADR_ADDR_SEL --- */
1648 		if ((prr_product == PRR_PRODUCT_H3) &&
1649 		    (prr_cut > PRR_PRODUCT_11)) {
1650 			data_l = 0x00FFFFFF & board_cnf->ch[ch].ca_swap;
1651 		} else {
1652 			data_l = 0;
1653 			tmp = board_cnf->ch[ch].ca_swap;
1654 			for (i = 0; i < 6; i++) {
1655 				data_l |= ((tmp & 0x0f) << (i * 5));
1656 				tmp = tmp >> 4;
1657 			}
1658 		}
1659 		ddr_setval(ch, _reg_PHY_ADR_ADDR_SEL, data_l);
1660 		if (ddr_phycaslice == 1) {
1661 			/* ----------- adr slice2 swap ----------- */
1662 			tmp  = (uint32_t)((board_cnf->ch[ch].ca_swap) >> 40);
1663 			data_l = (tmp & 0x00ffffff) | 0x00888888;
1664 
1665 			/* --- ADR_CALVL_SWIZZLE --- */
1666 			if (prr_product == PRR_PRODUCT_M3) {
1667 				ddr_setval_s(ch, 2,
1668 					     _reg_PHY_ADR_CALVL_SWIZZLE0_0,
1669 					     data_l);
1670 				ddr_setval_s(ch, 2,
1671 					     _reg_PHY_ADR_CALVL_SWIZZLE1_0,
1672 					     0x00000000);
1673 				ddr_setval_s(ch, 2,
1674 					     _reg_PHY_ADR_CALVL_SWIZZLE0_1,
1675 					     data_l);
1676 				ddr_setval_s(ch, 2,
1677 					     _reg_PHY_ADR_CALVL_SWIZZLE1_1,
1678 					     0x00000000);
1679 				ddr_setval_s(ch, 2,
1680 					     _reg_PHY_ADR_CALVL_DEVICE_MAP,
1681 					     _par_CALVL_DEVICE_MAP);
1682 			} else {
1683 				ddr_setval_s(ch, 2,
1684 					     _reg_PHY_ADR_CALVL_SWIZZLE0,
1685 					     data_l);
1686 				ddr_setval_s(ch, 2,
1687 					     _reg_PHY_ADR_CALVL_SWIZZLE1,
1688 					     0x00000000);
1689 				ddr_setval_s(ch, 2,
1690 					     _reg_PHY_CALVL_DEVICE_MAP,
1691 					     _par_CALVL_DEVICE_MAP);
1692 			}
1693 
1694 			/* --- ADR_ADDR_SEL --- */
1695 			data_l = 0;
1696 			for (i = 0; i < 6; i++) {
1697 				data_l |= ((tmp & 0x0f) << (i * 5));
1698 				tmp = tmp >> 4;
1699 			}
1700 
1701 			ddr_setval_s(ch, 2, _reg_PHY_ADR_ADDR_SEL, data_l);
1702 		}
1703 
1704 	/* BOARD SETTINGS (BYTE_ORDER_SEL) */
1705 		if (prr_product == PRR_PRODUCT_M3) {
1706 			/* --- DATA_BYTE_SWAP --- */
1707 			data_l = 0;
1708 			tmp = board_cnf->ch[ch].dqs_swap;
1709 			for (i = 0; i < 4; i++) {
1710 				data_l |= ((tmp & 0x03) << (i * 2));
1711 				tmp = tmp >> 4;
1712 			}
1713 		} else {
1714 			/* --- DATA_BYTE_SWAP --- */
1715 			data_l = board_cnf->ch[ch].dqs_swap;
1716 			ddr_setval(ch, _reg_PI_DATA_BYTE_SWAP_EN, 0x01);
1717 			ddr_setval(ch, _reg_PI_DATA_BYTE_SWAP_SLICE0,
1718 				   (data_l) & 0x0f);
1719 			ddr_setval(ch, _reg_PI_DATA_BYTE_SWAP_SLICE1,
1720 				   (data_l >> 4 * 1) & 0x0f);
1721 			ddr_setval(ch, _reg_PI_DATA_BYTE_SWAP_SLICE2,
1722 				   (data_l >> 4 * 2) & 0x0f);
1723 			ddr_setval(ch, _reg_PI_DATA_BYTE_SWAP_SLICE3,
1724 				   (data_l >> 4 * 3) & 0x0f);
1725 
1726 			ddr_setval(ch, _reg_PHY_DATA_BYTE_ORDER_SEL_HIGH, 0x00);
1727 		}
1728 		ddr_setval(ch, _reg_PHY_DATA_BYTE_ORDER_SEL, data_l);
1729 	}
1730 }
1731 
get_ca_swizzle(uint32_t ch,uint32_t ddr_csn,uint32_t * p_swz)1732 static void get_ca_swizzle(uint32_t ch, uint32_t ddr_csn, uint32_t *p_swz)
1733 {
1734 	uint32_t slice;
1735 	uint32_t tmp;
1736 	uint32_t tgt;
1737 
1738 	if (ddr_csn / 2) {
1739 		tgt = 3;
1740 	} else {
1741 		tgt = 1;
1742 	}
1743 
1744 	for (slice = 0; slice < SLICE_CNT; slice++) {
1745 		tmp = (board_cnf->ch[ch].dqs_swap >> (4 * slice)) & 0x0f;
1746 		if (tgt == tmp)
1747 			break;
1748 	}
1749 	tmp = 0x00FFFFFF & board_cnf->ch[ch].ca_swap;
1750 	if (slice % 2)
1751 		tmp |= 0x00888888;
1752 	*p_swz = tmp;
1753 }
1754 
ddr_config_sub_h3v1x(void)1755 static void ddr_config_sub_h3v1x(void)
1756 {
1757 	uint32_t ch, slice;
1758 	uint32_t data_l;
1759 	uint32_t tmp;
1760 	uint8_t high_byte[SLICE_CNT];
1761 	uint32_t ca_swizzle;
1762 	uint32_t ca;
1763 	uint32_t csmap;
1764 	uint32_t o_inv;
1765 	uint32_t inv;
1766 	uint32_t bit_soc;
1767 	uint32_t bit_mem;
1768 	uint32_t j;
1769 
1770 	const uint8_t o_mr15 = 0x55;
1771 	const uint8_t o_mr20 = 0x55;
1772 	const uint16_t o_mr32_mr40 = 0x5a3c;
1773 
1774 	foreach_vch(ch) {
1775 	/* BOARD SETTINGS (DQ,DM,VREF_DRIVING) */
1776 		csmap = 0;
1777 		for (slice = 0; slice < SLICE_CNT; slice++) {
1778 			tmp = (board_cnf->ch[ch].dqs_swap >> (4 * slice)) &
1779 			      0x0f;
1780 			high_byte[slice] = tmp % 2;
1781 			if (tmp == 1 && (slice >= 2))
1782 				csmap |= 0x05;
1783 			if (tmp == 3 && (slice >= 2))
1784 				csmap |= 0x50;
1785 			ddr_setval_s(ch, slice, _reg_PHY_DQ_SWIZZLING,
1786 				     board_cnf->ch[ch].dq_swap[slice]);
1787 			if (high_byte[slice]) {
1788 				/* HIGHER 16 BYTE */
1789 				ddr_setval_s(ch, slice,
1790 					     _reg_PHY_CALVL_VREF_DRIVING_SLICE,
1791 					     0x00);
1792 			} else {
1793 				/* LOWER 16 BYTE */
1794 				ddr_setval_s(ch, slice,
1795 					     _reg_PHY_CALVL_VREF_DRIVING_SLICE,
1796 					     0x01);
1797 			}
1798 		}
1799 	/* BOARD SETTINGS (CA,ADDR_SEL) */
1800 		ca = 0x00FFFFFF & board_cnf->ch[ch].ca_swap;
1801 		ddr_setval(ch, _reg_PHY_ADR_ADDR_SEL, ca);
1802 		ddr_setval(ch, _reg_PHY_CALVL_CS_MAP, csmap);
1803 
1804 		get_ca_swizzle(ch, 0, &ca_swizzle);
1805 
1806 		ddr_setval(ch, _reg_PHY_ADR_CALVL_SWIZZLE0_0, ca_swizzle);
1807 		ddr_setval(ch, _reg_PHY_ADR_CALVL_SWIZZLE1_0, 0x00000000);
1808 		ddr_setval(ch, _reg_PHY_ADR_CALVL_SWIZZLE0_1, 0x00000000);
1809 		ddr_setval(ch, _reg_PHY_ADR_CALVL_SWIZZLE1_1, 0x00000000);
1810 		ddr_setval(ch, _reg_PHY_ADR_CALVL_DEVICE_MAP, 0x01);
1811 
1812 		for (slice = 0; slice < SLICE_CNT; slice++) {
1813 			ddr_setval_s(ch, slice, _reg_PI_RDLVL_PATTERN_NUM,
1814 				     0x01);
1815 			ddr_setval_s(ch, slice, _reg_PI_RDLVL_PATTERN_START,
1816 				     0x08);
1817 
1818 			if (high_byte[slice])
1819 				o_inv = o_mr20;
1820 			else
1821 				o_inv = o_mr15;
1822 
1823 			tmp = board_cnf->ch[ch].dq_swap[slice];
1824 			inv = 0;
1825 			j = 0;
1826 			for (bit_soc = 0; bit_soc < 8; bit_soc++) {
1827 				bit_mem = (tmp >> (4 * bit_soc)) & 0x0f;
1828 				j |= (1U << bit_mem);
1829 				if (o_inv & (1U << bit_mem))
1830 					inv |= (1U << bit_soc);
1831 			}
1832 			data_l = o_mr32_mr40;
1833 			if (!high_byte[slice])
1834 				data_l |= (inv << 24);
1835 			if (high_byte[slice])
1836 				data_l |= (inv << 16);
1837 			ddr_setval_s(ch, slice, _reg_PHY_LP4_RDLVL_PATT8,
1838 				     data_l);
1839 		}
1840 	}
1841 }
1842 
ddr_config(void)1843 static void ddr_config(void)
1844 {
1845 	int32_t i;
1846 	uint32_t ch, slice;
1847 	uint32_t data_l;
1848 	uint32_t tmp;
1849 	int8_t _adj;
1850 	int16_t adj;
1851 	uint32_t dq;
1852 	union {
1853 		uint32_t ui32[4];
1854 		uint8_t ui8[16];
1855 	} patt;
1856 	uint16_t patm;
1857 
1858 	/* configure ddrphy registers */
1859 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) {
1860 		ddr_config_sub_h3v1x();
1861 	} else {	/*  H3 Ver.2.0 or later/M3-N/V3H is same as M3-W */
1862 		ddr_config_sub();
1863 	}
1864 
1865 	/* WDQ_USER_PATT */
1866 	foreach_vch(ch) {
1867 		for (slice = 0; slice < SLICE_CNT; slice++) {
1868 			patm = 0;
1869 			for (i = 0; i < 16; i++) {
1870 				tmp = board_cnf->ch[ch].wdqlvl_patt[i];
1871 				patt.ui8[i] = tmp & 0xff;
1872 				if (tmp & 0x100)
1873 					patm |= (1U << i);
1874 			}
1875 			ddr_setval_s(ch, slice, _reg_PHY_USER_PATT0,
1876 				     patt.ui32[0]);
1877 			ddr_setval_s(ch, slice, _reg_PHY_USER_PATT1,
1878 				     patt.ui32[1]);
1879 			ddr_setval_s(ch, slice, _reg_PHY_USER_PATT2,
1880 				     patt.ui32[2]);
1881 			ddr_setval_s(ch, slice, _reg_PHY_USER_PATT3,
1882 				     patt.ui32[3]);
1883 			ddr_setval_s(ch, slice, _reg_PHY_USER_PATT4, patm);
1884 		}
1885 	}
1886 
1887 	/* CACS DLY */
1888 	data_l = board_cnf->cacs_dly + _f_scale_adj(board_cnf->cacs_dly_adj);
1889 	reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_FREQ_SEL_MULTICAST_EN),
1890 			   0x00U);
1891 	foreach_vch(ch) {
1892 		for (i = 0; i < _reg_PHY_CLK_CACS_SLAVE_DELAY_X_NUM - 4; i++) {
1893 			adj = _f_scale_adj(board_cnf->ch[ch].cacs_adj[i]);
1894 			ddrtbl_setval(_cnf_DDR_PHY_ADR_V_REGSET,
1895 				      _reg_PHY_CLK_CACS_SLAVE_DELAY_X[i],
1896 				      data_l + adj);
1897 			reg_ddrphy_write(ch,
1898 					 ddr_regdef_adr
1899 					 (_reg_PHY_CLK_CACS_SLAVE_DELAY_X[i]),
1900 					_cnf_DDR_PHY_ADR_V_REGSET
1901 					[ddr_regdef_adr
1902 					(_reg_PHY_CLK_CACS_SLAVE_DELAY_X[i]) -
1903 					DDR_PHY_ADR_V_REGSET_OFS]);
1904 		}
1905 
1906 		for (i = (_reg_PHY_CLK_CACS_SLAVE_DELAY_X_NUM - 4);
1907 		     i < _reg_PHY_CLK_CACS_SLAVE_DELAY_X_NUM; i++) {
1908 			adj = _f_scale_adj(board_cnf->ch[ch].cacs_adj[i]);
1909 			ddrtbl_setval(_cnf_DDR_PHY_ADR_G_REGSET,
1910 				      _reg_PHY_CLK_CACS_SLAVE_DELAY_X[i],
1911 				      data_l + adj);
1912 			reg_ddrphy_write(ch,
1913 					 ddr_regdef_adr
1914 					 (_reg_PHY_CLK_CACS_SLAVE_DELAY_X[i]),
1915 					_cnf_DDR_PHY_ADR_G_REGSET
1916 					[ddr_regdef_adr
1917 					(_reg_PHY_CLK_CACS_SLAVE_DELAY_X[i]) -
1918 					DDR_PHY_ADR_G_REGSET_OFS]);
1919 		}
1920 
1921 		if (ddr_phycaslice == 1) {
1922 			for (i = 0; i < 6; i++) {
1923 				adj = _f_scale_adj
1924 					(board_cnf->ch[ch].cacs_adj
1925 					[i +
1926 					_reg_PHY_CLK_CACS_SLAVE_DELAY_X_NUM]);
1927 				ddrtbl_setval(_cnf_DDR_PHY_ADR_V_REGSET,
1928 					      _reg_PHY_CLK_CACS_SLAVE_DELAY_X
1929 					      [i],
1930 					      data_l + adj);
1931 				reg_ddrphy_write(ch,
1932 						 ddr_regdef_adr
1933 					(_reg_PHY_CLK_CACS_SLAVE_DELAY_X[i]) +
1934 					0x0100,
1935 					_cnf_DDR_PHY_ADR_V_REGSET
1936 					[ddr_regdef_adr
1937 					(_reg_PHY_CLK_CACS_SLAVE_DELAY_X[i]) -
1938 					DDR_PHY_ADR_V_REGSET_OFS]);
1939 			}
1940 		}
1941 	}
1942 
1943 	reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_FREQ_SEL_MULTICAST_EN),
1944 			   BIT(ddr_regdef_lsb(_reg_PHY_FREQ_SEL_MULTICAST_EN)));
1945 
1946 	/* WDQDM DLY */
1947 	data_l = board_cnf->dqdm_dly_w;
1948 	foreach_vch(ch) {
1949 		for (slice = 0; slice < SLICE_CNT; slice++) {
1950 			for (i = 0; i <= 8; i++) {
1951 				dq = slice * 8 + i;
1952 				if (i == 8)
1953 					_adj = board_cnf->ch[ch].dm_adj_w[slice];
1954 				else
1955 					_adj = board_cnf->ch[ch].dq_adj_w[dq];
1956 				adj = _f_scale_adj(_adj);
1957 				ddr_setval_s(ch, slice,
1958 					     _reg_PHY_CLK_WRX_SLAVE_DELAY[i],
1959 					     data_l + adj);
1960 			}
1961 		}
1962 	}
1963 
1964 	/* RDQDM DLY */
1965 	data_l = board_cnf->dqdm_dly_r;
1966 	foreach_vch(ch) {
1967 		for (slice = 0; slice < SLICE_CNT; slice++) {
1968 			for (i = 0; i <= 8; i++) {
1969 				dq = slice * 8 + i;
1970 				if (i == 8)
1971 					_adj = board_cnf->ch[ch].dm_adj_r[slice];
1972 				else
1973 					_adj = board_cnf->ch[ch].dq_adj_r[dq];
1974 				adj = _f_scale_adj(_adj);
1975 				ddr_setval_s(ch, slice,
1976 					     _reg_PHY_RDDQS_X_FALL_SLAVE_DELAY
1977 					     [i], data_l + adj);
1978 				ddr_setval_s(ch, slice,
1979 					     _reg_PHY_RDDQS_X_RISE_SLAVE_DELAY
1980 					     [i], data_l + adj);
1981 			}
1982 		}
1983 	}
1984 }
1985 
1986 /* DBSC register setting functions */
dbsc_regset_pre(void)1987 static void dbsc_regset_pre(void)
1988 {
1989 	uint32_t ch, csab;
1990 	uint32_t data_l;
1991 
1992 	/* PRIMARY SETTINGS */
1993 	/* LPDDR4, BL=16, DFI interface */
1994 	mmio_write_32(DBSC_DBKIND, 0x0000000a);
1995 	mmio_write_32(DBSC_DBBL, 0x00000002);
1996 	mmio_write_32(DBSC_DBPHYCONF0, 0x00000001);
1997 
1998 	/* FREQRATIO=2 */
1999 	mmio_write_32(DBSC_DBSYSCONF1, 0x00000002);
2000 
2001 	/* Chanel map (H3 Ver.1.x) */
2002 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11))
2003 		mmio_write_32(DBSC_DBSCHCNT1, 0x00001010);
2004 
2005 	/* DRAM SIZE REGISTER:
2006 	 * set all ranks as density=0(4Gb) for PHY initialization
2007 	 */
2008 	foreach_vch(ch) {
2009 		for (csab = 0; csab < 4; csab++) {
2010 			mmio_write_32(DBSC_DBMEMCONF(ch, csab),
2011 				      DBMEMCONF_REGD(0));
2012 		}
2013 	}
2014 
2015 	if (prr_product == PRR_PRODUCT_M3) {
2016 		data_l = 0xe4e4e4e4;
2017 		foreach_ech(ch) {
2018 			if ((ddr_phyvalid & (1U << ch)))
2019 				data_l = (data_l & (~(0x000000FF << (ch * 8))))
2020 				    | (((board_cnf->ch[ch].dqs_swap & 0x0003)
2021 					| ((board_cnf->ch[ch].dqs_swap & 0x0030)
2022 					   >> 2)
2023 					| ((board_cnf->ch[ch].dqs_swap & 0x0300)
2024 					   >> 4)
2025 					| ((board_cnf->ch[ch].dqs_swap & 0x3000)
2026 					   >> 6)) << (ch * 8));
2027 		}
2028 		mmio_write_32(DBSC_DBBSWAP, data_l);
2029 	}
2030 }
2031 
dbsc_regset(void)2032 static void dbsc_regset(void)
2033 {
2034 	int32_t i;
2035 	uint32_t ch;
2036 	uint32_t data_l;
2037 	uint32_t data_l2;
2038 	uint32_t tmp[4];
2039 
2040 	/* RFC */
2041 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut == PRR_PRODUCT_20) &&
2042 	    (max_density == 0)) {
2043 		js2[js2_trfcab] =
2044 		    _f_scale(ddr_mbps, ddr_mbpsdiv,
2045 			     1UL * jedec_spec2_trfc_ab[1] * 1000, 0);
2046 	} else {
2047 		js2[js2_trfcab] =
2048 		    _f_scale(ddr_mbps, ddr_mbpsdiv,
2049 			     1UL * jedec_spec2_trfc_ab[max_density] *
2050 			     1000, 0);
2051 	}
2052 
2053 	/* DBTR0.CL  : RL */
2054 	mmio_write_32(DBSC_DBTR(0), RL);
2055 
2056 	/* DBTR1.CWL : WL */
2057 	mmio_write_32(DBSC_DBTR(1), WL);
2058 
2059 	/* DBTR2.AL  : 0 */
2060 	mmio_write_32(DBSC_DBTR(2), 0);
2061 
2062 	/* DBTR3.TRCD: tRCD */
2063 	mmio_write_32(DBSC_DBTR(3), js2[js2_trcd]);
2064 
2065 	/* DBTR4.TRPA,TRP: tRPab,tRPpb */
2066 	mmio_write_32(DBSC_DBTR(4), (js2[js2_trpab] << 16) | js2[js2_trppb]);
2067 
2068 	/* DBTR5.TRC : use tRCpb */
2069 	mmio_write_32(DBSC_DBTR(5), js2[js2_trcpb]);
2070 
2071 	/* DBTR6.TRAS : tRAS */
2072 	mmio_write_32(DBSC_DBTR(6), js2[js2_tras]);
2073 
2074 	/* DBTR7.TRRD : tRRD */
2075 	mmio_write_32(DBSC_DBTR(7), (js2[js2_trrd] << 16) | js2[js2_trrd]);
2076 
2077 	/* DBTR8.TFAW : tFAW */
2078 	mmio_write_32(DBSC_DBTR(8), js2[js2_tfaw]);
2079 
2080 	/* DBTR9.TRDPR : tRTP */
2081 	mmio_write_32(DBSC_DBTR(9), js2[js2_trtp]);
2082 
2083 	/* DBTR10.TWR : nWR */
2084 	mmio_write_32(DBSC_DBTR(10), js1[js1_ind].nwr);
2085 
2086 	/*
2087 	 * DBTR11.TRDWR : RL +  BL / 2 + Rounddown(tRPST) + PHY_ODTLoff -
2088 	 * 		  odtlon + tDQSCK - tODTon,min +
2089 	 * 		  PCB delay (out+in) + tPHY_ODToff
2090 	 */
2091 	mmio_write_32(DBSC_DBTR(11),
2092 		      RL + (16 / 2) + 1 + 2 - js1[js1_ind].odtlon +
2093 		      js2[js2_tdqsck] - js2[js2_tODTon_min] +
2094 		      _f_scale(ddr_mbps, ddr_mbpsdiv, 1300, 0));
2095 
2096 	/* DBTR12.TWRRD : WL + 1 + BL/2 + tWTR */
2097 	data_l = WL + 1 + (16 / 2) + js2[js2_twtr];
2098 	mmio_write_32(DBSC_DBTR(12), (data_l << 16) | data_l);
2099 
2100 	/* DBTR13.TRFCAB : tRFCab */
2101 	mmio_write_32(DBSC_DBTR(13), (js2[js2_trfcab]));
2102 
2103 	/* DBTR14.TCKEHDLL,tCKEH : tCKEHCMD,tCKEHCMD */
2104 	mmio_write_32(DBSC_DBTR(14),
2105 		      (js2[js2_tckehcmd] << 16) | (js2[js2_tckehcmd]));
2106 
2107 	/* DBTR15.TCKESR,TCKEL : tSR,tCKELPD */
2108 	mmio_write_32(DBSC_DBTR(15), (js2[js2_tsr] << 16) | (js2[js2_tckelpd]));
2109 
2110 	/* DBTR16 */
2111 	/* WDQL : tphy_wrlat + tphy_wrdata */
2112 	tmp[0] = ddrtbl_getval(_cnf_DDR_PI_REGSET, _reg_PI_WRLAT_F1);
2113 	/* DQENLTNCY : tphy_wrlat = WL-2 : PHY_WRITE_PATH_LAT_ADD == 0
2114 	 *             tphy_wrlat = WL-3 : PHY_WRITE_PATH_LAT_ADD != 0
2115 	 */
2116 	tmp[1] = ddrtbl_getval(_cnf_DDR_PI_REGSET, _reg_PI_WRLAT_ADJ_F1);
2117 	/* DQL : tphy_rdlat + trdata_en */
2118 	/* it is not important for dbsc */
2119 	tmp[2] = RL + 16;
2120 	/* DQIENLTNCY : trdata_en */
2121 	tmp[3] = ddrtbl_getval(_cnf_DDR_PI_REGSET, _reg_PI_RDLAT_ADJ_F1) - 1;
2122 	mmio_write_32(DBSC_DBTR(16),
2123 		      (tmp[3] << 24) | (tmp[2] << 16) | (tmp[1] << 8) | tmp[0]);
2124 
2125 	/* DBTR24 */
2126 	/* WRCSLAT = WRLAT -5 */
2127 	tmp[0] -= 5;
2128 	/* WRCSGAP = 5 */
2129 	tmp[1] = 5;
2130 	/* RDCSLAT = RDLAT_ADJ +2 */
2131 	if (prr_product == PRR_PRODUCT_M3) {
2132 		tmp[2] = tmp[3];
2133 	} else {
2134 		tmp[2] = tmp[3] + 2;
2135 	}
2136 	/* RDCSGAP = 6 */
2137 	if (prr_product == PRR_PRODUCT_M3) {
2138 		tmp[3] = 4;
2139 	} else {
2140 		tmp[3] = 6;
2141 	}
2142 	mmio_write_32(DBSC_DBTR(24),
2143 		      (tmp[3] << 24) | (tmp[2] << 16) | (tmp[1] << 8) | tmp[0]);
2144 
2145 	/* DBTR17.TMODRD,TMOD,TRDMR: tMRR,tMRD,(0) */
2146 	mmio_write_32(DBSC_DBTR(17),
2147 		      (js2[js2_tmrr] << 24) | (js2[js2_tmrd] << 16));
2148 
2149 	/* DBTR18.RODTL, RODTA, WODTL, WODTA : do not use in LPDDR4 */
2150 	mmio_write_32(DBSC_DBTR(18), 0);
2151 
2152 	/* DBTR19.TZQCL, TZQCS : do not use in LPDDR4 */
2153 	mmio_write_32(DBSC_DBTR(19), 0);
2154 
2155 	/* DBTR20.TXSDLL, TXS : tRFCab+tCKEHCMD */
2156 	data_l = js2[js2_trfcab] + js2[js2_tckehcmd];
2157 	mmio_write_32(DBSC_DBTR(20), (data_l << 16) | data_l);
2158 
2159 	/* DBTR21.TCCD */
2160 	/* DBTR23.TCCD */
2161 	/* H3 Ver.1.0 cannot use TBTR23 feature */
2162 	if (ddr_tccd == 8 &&
2163 	    !((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_10))
2164 	    ) {
2165 		data_l = 8;
2166 		mmio_write_32(DBSC_DBTR(21), (data_l << 16) | data_l);
2167 		mmio_write_32(DBSC_DBTR(23), 0x00000002);
2168 	} else if (ddr_tccd <= 11) {
2169 		data_l = 11;
2170 		mmio_write_32(DBSC_DBTR(21), (data_l << 16) | data_l);
2171 		mmio_write_32(DBSC_DBTR(23), 0x00000000);
2172 	} else {
2173 		data_l = ddr_tccd;
2174 		mmio_write_32(DBSC_DBTR(21), (data_l << 16) | data_l);
2175 		mmio_write_32(DBSC_DBTR(23), 0x00000000);
2176 	}
2177 
2178 	/* DBTR22.ZQLAT : */
2179 	data_l = js2[js2_tzqcalns] * 100;	/*  1000 * 1000 ps */
2180 	data_l = (data_l << 16) | (js2[js2_tzqlat] + 24 + 20);
2181 	mmio_write_32(DBSC_DBTR(22), data_l);
2182 
2183 	/* DBTR25 : do not use in LPDDR4 */
2184 	mmio_write_32(DBSC_DBTR(25), 0);
2185 
2186 	/* DBRNK : */
2187 	/*
2188 	 * DBSC_DBRNK2 rkrr
2189 	 * DBSC_DBRNK3 rkrw
2190 	 * DBSC_DBRNK4 rkwr
2191 	 * DBSC_DBRNK5 rkww
2192 	 */
2193 #define _par_DBRNK_VAL		(0x7007)
2194 
2195 	for (i = 0; i < 4; i++) {
2196 		data_l = (_par_DBRNK_VAL >> (i * 4)) & 0x0f;
2197 		if ((prr_product == PRR_PRODUCT_H3) &&
2198 		    (prr_cut > PRR_PRODUCT_11) && (i == 0)) {
2199 			data_l += 1;
2200 		}
2201 		data_l2 = 0;
2202 		foreach_vch(ch) {
2203 			data_l2 = data_l2 | (data_l << (4 * ch));
2204 		}
2205 		mmio_write_32(DBSC_DBRNK(2 + i), data_l2);
2206 	}
2207 	mmio_write_32(DBSC_DBADJ0, 0x00000000);
2208 
2209 	/* timing registers for Scheduler */
2210 	/* SCFCTST0 */
2211 	/* SCFCTST0 ACT-ACT */
2212 	tmp[3] = 1UL * js2[js2_trcpb] * 800 * ddr_mbpsdiv / ddr_mbps;
2213 	/* SCFCTST0 RDA-ACT */
2214 	tmp[2] =
2215 	    1UL * ((16 / 2) + js2[js2_trtp] - 8 +
2216 		   js2[js2_trppb]) * 800 * ddr_mbpsdiv / ddr_mbps;
2217 	/* SCFCTST0 WRA-ACT */
2218 	tmp[1] =
2219 	    1UL * (WL + 1 + (16 / 2) +
2220 		   js1[js1_ind].nwr) * 800 * ddr_mbpsdiv / ddr_mbps;
2221 	/* SCFCTST0 PRE-ACT */
2222 	tmp[0] = 1UL * js2[js2_trppb];
2223 	mmio_write_32(DBSC_SCFCTST0,
2224 		      (tmp[3] << 24) | (tmp[2] << 16) | (tmp[1] << 8) | tmp[0]);
2225 
2226 	/* SCFCTST1 */
2227 	/* SCFCTST1 RD-WR */
2228 	tmp[3] =
2229 	    1UL * (mmio_read_32(DBSC_DBTR(11)) & 0xff) * 800 * ddr_mbpsdiv /
2230 	    ddr_mbps;
2231 	/* SCFCTST1 WR-RD */
2232 	tmp[2] =
2233 	    1UL * (mmio_read_32(DBSC_DBTR(12)) & 0xff) * 800 * ddr_mbpsdiv /
2234 	    ddr_mbps;
2235 	/* SCFCTST1 ACT-RD/WR */
2236 	tmp[1] = 1UL * js2[js2_trcd] * 800 * ddr_mbpsdiv / ddr_mbps;
2237 	/* SCFCTST1 ASYNCOFS */
2238 	tmp[0] = 12;
2239 	mmio_write_32(DBSC_SCFCTST1,
2240 		      (tmp[3] << 24) | (tmp[2] << 16) | (tmp[1] << 8) | tmp[0]);
2241 
2242 	/* DBSCHRW1 */
2243 	/* DBSCHRW1 SCTRFCAB */
2244 	tmp[0] = 1UL * js2[js2_trfcab] * 800 * ddr_mbpsdiv / ddr_mbps;
2245 	data_l = (((mmio_read_32(DBSC_DBTR(16)) & 0x00FF0000) >> 16)
2246 		 + (mmio_read_32(DBSC_DBTR(22)) & 0x0000FFFF)
2247 		 + (0x28 * 2)) * 400 * 2 * ddr_mbpsdiv / ddr_mbps + 7;
2248 	if (tmp[0] < data_l)
2249 		tmp[0] = data_l;
2250 
2251 	if ((prr_product == PRR_PRODUCT_M3) && (prr_cut < PRR_PRODUCT_30)) {
2252 		mmio_write_32(DBSC_DBSCHRW1, tmp[0]
2253 			+ ((mmio_read_32(DBSC_DBTR(22)) & 0x0000FFFF)
2254 			* 400 * 2 * ddr_mbpsdiv + (ddr_mbps - 1)) /
2255 			ddr_mbps - 3);
2256 	} else {
2257 		mmio_write_32(DBSC_DBSCHRW1, tmp[0]
2258 			+ ((mmio_read_32(DBSC_DBTR(22)) & 0x0000FFFF)
2259 			* 400 * 2 * ddr_mbpsdiv + (ddr_mbps - 1)) /
2260 			ddr_mbps);
2261 	}
2262 
2263 	/* QOS and CAM */
2264 #ifdef ddr_qos_init_setting	/*  only for non qos_init */
2265 	/*wbkwait(0004), wbkmdhi(4,2),wbkmdlo(1,8) */
2266 	mmio_write_32(DBSC_DBCAM0CNF1, 0x00043218);
2267 	/*0(fillunit),8(dirtymax),4(dirtymin) */
2268 	mmio_write_32(DBSC_DBCAM0CNF2, 0x000000F4);
2269 	/*stop_tolerance */
2270 	mmio_write_32(DBSC_DBSCHRW0, 0x22421111);
2271 	/*rd-wr/wr-rd toggle priority */
2272 	mmio_write_32(DBSC_SCFCTST2, 0x012F1123);
2273 	mmio_write_32(DBSC_DBSCHSZ0, 0x00000001);
2274 	mmio_write_32(DBSC_DBSCHCNT0, 0x000F0037);
2275 
2276 	/* QoS Settings */
2277 	mmio_write_32(DBSC_DBSCHQOS00, 0x00000F00U);
2278 	mmio_write_32(DBSC_DBSCHQOS01, 0x00000B00U);
2279 	mmio_write_32(DBSC_DBSCHQOS02, 0x00000000U);
2280 	mmio_write_32(DBSC_DBSCHQOS03, 0x00000000U);
2281 	mmio_write_32(DBSC_DBSCHQOS40, 0x00000300U);
2282 	mmio_write_32(DBSC_DBSCHQOS41, 0x000002F0U);
2283 	mmio_write_32(DBSC_DBSCHQOS42, 0x00000200U);
2284 	mmio_write_32(DBSC_DBSCHQOS43, 0x00000100U);
2285 	mmio_write_32(DBSC_DBSCHQOS90, 0x00000100U);
2286 	mmio_write_32(DBSC_DBSCHQOS91, 0x000000F0U);
2287 	mmio_write_32(DBSC_DBSCHQOS92, 0x000000A0U);
2288 	mmio_write_32(DBSC_DBSCHQOS93, 0x00000040U);
2289 	mmio_write_32(DBSC_DBSCHQOS120, 0x00000040U);
2290 	mmio_write_32(DBSC_DBSCHQOS121, 0x00000030U);
2291 	mmio_write_32(DBSC_DBSCHQOS122, 0x00000020U);
2292 	mmio_write_32(DBSC_DBSCHQOS123, 0x00000010U);
2293 	mmio_write_32(DBSC_DBSCHQOS130, 0x00000100U);
2294 	mmio_write_32(DBSC_DBSCHQOS131, 0x000000F0U);
2295 	mmio_write_32(DBSC_DBSCHQOS132, 0x000000A0U);
2296 	mmio_write_32(DBSC_DBSCHQOS133, 0x00000040U);
2297 	mmio_write_32(DBSC_DBSCHQOS140, 0x000000C0U);
2298 	mmio_write_32(DBSC_DBSCHQOS141, 0x000000B0U);
2299 	mmio_write_32(DBSC_DBSCHQOS142, 0x00000080U);
2300 	mmio_write_32(DBSC_DBSCHQOS143, 0x00000040U);
2301 	mmio_write_32(DBSC_DBSCHQOS150, 0x00000040U);
2302 	mmio_write_32(DBSC_DBSCHQOS151, 0x00000030U);
2303 	mmio_write_32(DBSC_DBSCHQOS152, 0x00000020U);
2304 	mmio_write_32(DBSC_DBSCHQOS153, 0x00000010U);
2305 
2306 	mmio_write_32(QOSCTRL_RAEN, 0x00000001U);
2307 #endif /* ddr_qos_init_setting */
2308 	/* H3 Ver.1.1 need to set monitor function */
2309 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut == PRR_PRODUCT_11)) {
2310 		mmio_write_32(DBSC_DBMONCONF4, 0x00700000);
2311 	}
2312 
2313 	if (prr_product == PRR_PRODUCT_H3) {
2314 		if (prr_cut == PRR_PRODUCT_10) {
2315 			/* resrdis, simple mode, sc off */
2316 			mmio_write_32(DBSC_DBBCAMDIS, 0x00000007);
2317 		} else if (prr_cut == PRR_PRODUCT_11) {
2318 			/* resrdis, simple mode         */
2319 			mmio_write_32(DBSC_DBBCAMDIS, 0x00000005);
2320 		} else if (prr_cut < PRR_PRODUCT_30) {
2321 			/* H3 Ver.2.0                   */
2322 			/* resrdis                      */
2323 			mmio_write_32(DBSC_DBBCAMDIS, 0x00000001);
2324 		} else {	/* H3 Ver.3.0(include H3N)      */
2325 			/* exprespque                   */
2326 			mmio_write_32(DBSC_DBBCAMDIS, 0x00000010);
2327 		}
2328 	} else {		/* M3-W/M3-N/V3H                */
2329 		/* resrdis                      */
2330 		mmio_write_32(DBSC_DBBCAMDIS, 0x00000001);
2331 	}
2332 }
2333 
dbsc_regset_post(void)2334 static void dbsc_regset_post(void)
2335 {
2336 	uint32_t ch, cs;
2337 	uint32_t data_l;
2338 	uint32_t slice, rdlat_max, rdlat_min;
2339 
2340 	rdlat_max = 0;
2341 	rdlat_min = 0xffff;
2342 	foreach_vch(ch) {
2343 		for (cs = 0; cs < CS_CNT; cs++) {
2344 			if ((ch_have_this_cs[cs] & (1U << ch)) != 0) {
2345 				for (slice = 0; slice < SLICE_CNT; slice++) {
2346 					ddr_setval_s(ch, slice,
2347 						     _reg_PHY_PER_CS_TRAINING_INDEX,
2348 						     cs);
2349 					data_l = ddr_getval_s(ch, slice,
2350 							      _reg_PHY_RDDQS_LATENCY_ADJUST);
2351 					if (data_l > rdlat_max)
2352 						rdlat_max = data_l;
2353 					if (data_l < rdlat_min)
2354 						rdlat_min = data_l;
2355 				}
2356 			}
2357 		}
2358 	}
2359 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut > PRR_PRODUCT_11)) {
2360 #if RCAR_DRAM_SPLIT == 2
2361 		if (board_cnf->phyvalid == 0x05) {
2362 			mmio_write_32(DBSC_DBTR(24),
2363 				      (rdlat_max << 24) + (rdlat_min << 16) +
2364 				      mmio_read_32(DBSC_DBTR(24)));
2365 		} else {
2366 			mmio_write_32(DBSC_DBTR(24),
2367 				      ((rdlat_max * 2 - rdlat_min + 4) << 24) +
2368 				      ((rdlat_min + 2) << 16) +
2369 				      mmio_read_32(DBSC_DBTR(24)));
2370 		}
2371 #else /*RCAR_DRAM_SPLIT == 2 */
2372 		mmio_write_32(DBSC_DBTR(24),
2373 			      ((rdlat_max * 2 - rdlat_min + 4) << 24) +
2374 			      ((rdlat_min + 2) << 16) +
2375 			      mmio_read_32(DBSC_DBTR(24)));
2376 #endif /*RCAR_DRAM_SPLIT == 2 */
2377 	} else {
2378 		mmio_write_32(DBSC_DBTR(24),
2379 			      ((rdlat_max + 2) << 24) +
2380 			      ((rdlat_max + 2) << 16) +
2381 			      mmio_read_32(DBSC_DBTR(24)));
2382 	}
2383 
2384 	/* set ddr density information */
2385 	foreach_ech(ch) {
2386 		for (cs = 0; cs < CS_CNT; cs++) {
2387 			if (ddr_density[ch][cs] == 0xff) {
2388 				mmio_write_32(DBSC_DBMEMCONF(ch, cs), 0x00);
2389 			} else {
2390 				mmio_write_32(DBSC_DBMEMCONF(ch, cs),
2391 					      DBMEMCONF_REGD(ddr_density[ch]
2392 							     [cs]));
2393 			}
2394 		}
2395 		mmio_write_32(DBSC_DBMEMCONF(ch, 2), 0x00000000);
2396 		mmio_write_32(DBSC_DBMEMCONF(ch, 3), 0x00000000);
2397 	}
2398 
2399 	mmio_write_32(DBSC_DBBUS0CNF1, 0x00000010);
2400 
2401 	/*set DBI */
2402 	if (board_cnf->dbi_en)
2403 		mmio_write_32(DBSC_DBDBICNT, 0x00000003);
2404 
2405 	/* H3 Ver.2.0 or later/M3-N/V3H DBI wa */
2406 	if ((((prr_product == PRR_PRODUCT_H3) &&
2407 	      (prr_cut > PRR_PRODUCT_11)) ||
2408 	     (prr_product == PRR_PRODUCT_M3N) ||
2409 	     (prr_product == PRR_PRODUCT_V3H)) &&
2410 	    board_cnf->dbi_en)
2411 		reg_ddrphy_write_a(0x00001010, 0x01000000);
2412 
2413 	/*set REFCYCLE */
2414 	data_l = (get_refperiod()) * ddr_mbps / 2000 / ddr_mbpsdiv;
2415 	mmio_write_32(DBSC_DBRFCNF1, 0x00080000 | (data_l & 0x0000ffff));
2416 	mmio_write_32(DBSC_DBRFCNF2, 0x00010000 | DBSC_REFINTS);
2417 
2418 #if RCAR_REWT_TRAINING != 0
2419 	/* Periodic-WriteDQ Training seeting */
2420 	if (((prr_product == PRR_PRODUCT_H3) &&
2421 	     (prr_cut <= PRR_PRODUCT_11)) ||
2422 	    ((prr_product == PRR_PRODUCT_M3) &&
2423 	     (prr_cut == PRR_PRODUCT_10))) {
2424 		/* non : H3 Ver.1.x/M3-W Ver.1.0 not support */
2425 	} else {
2426 		/* H3 Ver.2.0 or later/M3-W Ver.1.1 or later/M3-N/V3H */
2427 		mmio_write_32(DBSC_DBDFIPMSTRCNF, 0x00000000);
2428 
2429 		ddr_setval_ach_as(_reg_PHY_WDQLVL_PATT, 0x04);
2430 		ddr_setval_ach_as(_reg_PHY_WDQLVL_QTR_DLY_STEP, 0x0F);
2431 		ddr_setval_ach_as(_reg_PHY_WDQLVL_DLY_STEP, 0x50);
2432 		ddr_setval_ach_as(_reg_PHY_WDQLVL_DQDM_SLV_DLY_START, 0x0300);
2433 
2434 		ddr_setval_ach(_reg_PI_WDQLVL_CS_MAP,
2435 			       ddrtbl_getval(_cnf_DDR_PI_REGSET,
2436 					     _reg_PI_WDQLVL_CS_MAP));
2437 		ddr_setval_ach(_reg_PI_LONG_COUNT_MASK, 0x1f);
2438 		ddr_setval_ach(_reg_PI_WDQLVL_VREF_EN, 0x00);
2439 		ddr_setval_ach(_reg_PI_WDQLVL_ROTATE, 0x01);
2440 		ddr_setval_ach(_reg_PI_TREF_F0, 0x0000);
2441 		ddr_setval_ach(_reg_PI_TREF_F1, 0x0000);
2442 		ddr_setval_ach(_reg_PI_TREF_F2, 0x0000);
2443 
2444 		if (prr_product == PRR_PRODUCT_M3) {
2445 			ddr_setval_ach(_reg_PI_WDQLVL_EN, 0x02);
2446 		} else {
2447 			ddr_setval_ach(_reg_PI_WDQLVL_EN_F1, 0x02);
2448 		}
2449 		ddr_setval_ach(_reg_PI_WDQLVL_PERIODIC, 0x01);
2450 
2451 		/* DFI_PHYMSTR_ACK , WTmode setting */
2452 		/* DFI_PHYMSTR_ACK: WTmode =b'01 */
2453 		mmio_write_32(DBSC_DBDFIPMSTRCNF, 0x00000011);
2454 	}
2455 #endif /* RCAR_REWT_TRAINING */
2456 	/* periodic dram zqcal enable */
2457 	mmio_write_32(DBSC_DBCALCNF, 0x01000010);
2458 
2459 	/* periodic phy ctrl update enable */
2460 	if (((prr_product == PRR_PRODUCT_H3) &&
2461 	     (prr_cut <= PRR_PRODUCT_11)) ||
2462 	    ((prr_product == PRR_PRODUCT_M3) &&
2463 	     (prr_cut < PRR_PRODUCT_30))) {
2464 		/* non : H3 Ver.1.x/M3-W Ver.1.x not support */
2465 	} else {
2466 #if RCAR_DRAM_SPLIT == 2
2467 		if ((prr_product == PRR_PRODUCT_H3) &&
2468 		    (board_cnf->phyvalid == 0x05))
2469 			mmio_write_32(DBSC_DBDFICUPDCNF, 0x2a240001);
2470 		else
2471 			mmio_write_32(DBSC_DBDFICUPDCNF, 0x28240001);
2472 #else /* RCAR_DRAM_SPLIT == 2 */
2473 		mmio_write_32(DBSC_DBDFICUPDCNF, 0x28240001);
2474 #endif /* RCAR_DRAM_SPLIT == 2 */
2475 	}
2476 
2477 #ifdef DDR_BACKUPMODE
2478 	/* SRX */
2479 	if (ddr_backup == DRAM_BOOT_STATUS_WARM) {
2480 #ifdef DDR_BACKUPMODE_HALF		/* for Half channel(ch0, 1 only) */
2481 		NOTICE("BL2: [DEBUG_MESS] DDR_BACKUPMODE_HALF\n");
2482 		send_dbcmd(0x0A040001);
2483 		if (Prr_Product == PRR_PRODUCT_H3)
2484 			send_dbcmd(0x0A140001);
2485 #else /* DDR_BACKUPMODE_HALF */		/* for All channels */
2486 		send_dbcmd(0x0A840001);
2487 #endif /* DDR_BACKUPMODE_HALF */
2488 	}
2489 #endif /* DDR_BACKUPMODE */
2490 
2491 	/* set Auto Refresh */
2492 	mmio_write_32(DBSC_DBRFEN, 0x00000001);
2493 
2494 #if RCAR_REWT_TRAINING != 0
2495 	/* Periodic WriteDQ Traning */
2496 	if (((prr_product == PRR_PRODUCT_H3) &&
2497 	     (prr_cut <= PRR_PRODUCT_11)) ||
2498 	    ((prr_product == PRR_PRODUCT_M3) &&
2499 	     (prr_cut == PRR_PRODUCT_10))) {
2500 		/* non : H3 Ver.1.x/M3-W Ver.1.0 not support */
2501 	} else {
2502 		/* H3 Ver.2.0 or later/M3-W Ver.1.1 or later/M3-N/V3H */
2503 		ddr_setval_ach(_reg_PI_WDQLVL_INTERVAL, 0x0100);
2504 	}
2505 #endif /* RCAR_REWT_TRAINING */
2506 
2507 	/* dram access enable */
2508 	mmio_write_32(DBSC_DBACEN, 0x00000001);
2509 
2510 	MSG_LF(__func__ "(done)");
2511 }
2512 
2513 /* DFI_INIT_START */
dfi_init_start(void)2514 static uint32_t dfi_init_start(void)
2515 {
2516 	uint32_t ch;
2517 	uint32_t phytrainingok;
2518 	uint32_t retry;
2519 	uint32_t data_l;
2520 	const uint32_t RETRY_MAX = 0x10000;
2521 
2522 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) {
2523 		/* PLL3 Disable */
2524 		/* protect register interface */
2525 		ddrphy_regif_idle();
2526 
2527 		pll3_control(0);
2528 
2529 		/* init start */
2530 		/* dbdficnt0:
2531 		 * dfi_dram_clk_disable=1
2532 		 * dfi_frequency = 0
2533 		 * freq_ratio = 01 (2:1)
2534 		 * init_start =0
2535 		 */
2536 		foreach_vch(ch)
2537 		    mmio_write_32(DBSC_DBDFICNT(ch), 0x00000F10);
2538 		dsb_sev();
2539 
2540 		/* dbdficnt0:
2541 		 * dfi_dram_clk_disable=1
2542 		 * dfi_frequency = 0
2543 		 * freq_ratio = 01 (2:1)
2544 		 * init_start =1
2545 		 */
2546 		foreach_vch(ch)
2547 		    mmio_write_32(DBSC_DBDFICNT(ch), 0x00000F11);
2548 		dsb_sev();
2549 
2550 	} else {
2551 		ddr_setval_ach_as(_reg_PHY_DLL_RST_EN, 0x02);
2552 		dsb_sev();
2553 		ddrphy_regif_idle();
2554 	}
2555 
2556 	/* dll_rst negate */
2557 	foreach_vch(ch)
2558 	    mmio_write_32(DBSC_DBPDCNT3(ch), 0x0000CF01);
2559 	dsb_sev();
2560 
2561 	/* wait init_complete */
2562 	phytrainingok = 0;
2563 	retry = 0;
2564 	while (retry++ < RETRY_MAX) {
2565 		foreach_vch(ch) {
2566 			data_l = mmio_read_32(DBSC_DBDFISTAT(ch));
2567 			if (data_l & 0x00000001)
2568 				phytrainingok |= (1U << ch);
2569 		}
2570 		dsb_sev();
2571 		if (phytrainingok == ddr_phyvalid)
2572 			break;
2573 		if (retry % 256 == 0)
2574 			ddr_setval_ach_as(_reg_SC_PHY_RX_CAL_START, 0x01);
2575 	}
2576 
2577 	/* all ch ok? */
2578 	if ((phytrainingok & ddr_phyvalid) != ddr_phyvalid)
2579 		return 0xff;
2580 
2581 	/* dbdficnt0:
2582 	 * dfi_dram_clk_disable=0
2583 	 * dfi_frequency = 0
2584 	 * freq_ratio = 01 (2:1)
2585 	 * init_start =0
2586 	 */
2587 	foreach_vch(ch)
2588 	    mmio_write_32(DBSC_DBDFICNT(ch), 0x00000010);
2589 	dsb_sev();
2590 
2591 	return 0;
2592 }
2593 
2594 /* drivablity setting : CMOS MODE ON/OFF */
change_lpddr4_en(uint32_t mode)2595 static void change_lpddr4_en(uint32_t mode)
2596 {
2597 	uint32_t ch;
2598 	uint32_t i;
2599 	uint32_t data_l;
2600 	const uint32_t _reg_PHY_PAD_DRIVE_X[3] = {
2601 		_reg_PHY_PAD_ADDR_DRIVE,
2602 		_reg_PHY_PAD_CLK_DRIVE,
2603 		_reg_PHY_PAD_CS_DRIVE
2604 	};
2605 
2606 	foreach_vch(ch) {
2607 		for (i = 0; i < 3; i++) {
2608 			data_l = ddr_getval(ch, _reg_PHY_PAD_DRIVE_X[i]);
2609 			if (mode) {
2610 				data_l |= (1U << 14);
2611 			} else {
2612 				data_l &= ~(1U << 14);
2613 			}
2614 			ddr_setval(ch, _reg_PHY_PAD_DRIVE_X[i], data_l);
2615 		}
2616 	}
2617 }
2618 
2619 /* drivablity setting */
set_term_code(void)2620 static uint32_t set_term_code(void)
2621 {
2622 	int32_t i;
2623 	uint32_t ch, index;
2624 	uint32_t data_l;
2625 	uint32_t chip_id[2];
2626 	uint32_t term_code;
2627 	uint32_t override;
2628 	uint32_t pvtr;
2629 	uint32_t pvtp;
2630 	uint32_t pvtn;
2631 
2632 	term_code = ddrtbl_getval(_cnf_DDR_PHY_ADR_G_REGSET,
2633 				  _reg_PHY_PAD_DATA_TERM);
2634 	override = 0;
2635 	for (i = 0; i < 2; i++)
2636 		chip_id[i] = mmio_read_32(LIFEC_CHIPID(i));
2637 
2638 	index = 0;
2639 	while (1) {
2640 		if (termcode_by_sample[index][0] == 0xffffffff) {
2641 			break;
2642 		}
2643 		if ((termcode_by_sample[index][0] == chip_id[0]) &&
2644 		    (termcode_by_sample[index][1] == chip_id[1])) {
2645 			term_code = termcode_by_sample[index][2];
2646 			override = 1;
2647 			break;
2648 		}
2649 		index++;
2650 	}
2651 
2652 	if (override) {
2653 		for (index = 0; index < _reg_PHY_PAD_TERM_X_NUM; index++) {
2654 			data_l =
2655 			    ddrtbl_getval(_cnf_DDR_PHY_ADR_G_REGSET,
2656 					  _reg_PHY_PAD_TERM_X[index]);
2657 			data_l = (data_l & 0xfffe0000) | term_code;
2658 			ddr_setval_ach(_reg_PHY_PAD_TERM_X[index], data_l);
2659 		}
2660 	} else if ((prr_product == PRR_PRODUCT_M3) &&
2661 		   (prr_cut == PRR_PRODUCT_10)) {
2662 		/*  non */
2663 	} else {
2664 		ddr_setval_ach(_reg_PHY_PAD_TERM_X[0],
2665 			       (ddrtbl_getval
2666 				(_cnf_DDR_PHY_ADR_G_REGSET,
2667 				 _reg_PHY_PAD_TERM_X[0]) & 0xFFFE0000));
2668 		ddr_setval_ach(_reg_PHY_CAL_CLEAR_0, 0x01);
2669 		ddr_setval_ach(_reg_PHY_CAL_START_0, 0x01);
2670 		foreach_vch(ch) {
2671 			do {
2672 				data_l =
2673 				    ddr_getval(ch, _reg_PHY_CAL_RESULT2_OBS_0);
2674 			} while (!(data_l & 0x00800000));
2675 		}
2676 		if ((prr_product == PRR_PRODUCT_H3) &&
2677 		    (prr_cut <= PRR_PRODUCT_11)) {
2678 			foreach_vch(ch) {
2679 				data_l = ddr_getval(ch, _reg_PHY_PAD_TERM_X[0]);
2680 				pvtr = (data_l >> 12) & 0x1f;
2681 				pvtr += 8;
2682 				if (pvtr > 0x1f)
2683 					pvtr = 0x1f;
2684 				data_l =
2685 				    ddr_getval(ch, _reg_PHY_CAL_RESULT2_OBS_0);
2686 				pvtn = (data_l >> 6) & 0x03f;
2687 				pvtp = (data_l >> 0) & 0x03f;
2688 
2689 				for (index = 0; index < _reg_PHY_PAD_TERM_X_NUM;
2690 				     index++) {
2691 					data_l =
2692 					    ddrtbl_getval
2693 					    (_cnf_DDR_PHY_ADR_G_REGSET,
2694 					     _reg_PHY_PAD_TERM_X[index]);
2695 					data_l = (data_l & 0xfffe0000)
2696 					    | (pvtr << 12)
2697 					    | (pvtn << 6)
2698 					    | (pvtp);
2699 					ddr_setval(ch,
2700 						   _reg_PHY_PAD_TERM_X[index],
2701 						   data_l);
2702 				}
2703 			}
2704 		} else {
2705 			/* M3-W Ver.1.1 or later/H3 Ver.2.0 or later/M3-N/V3H */
2706 			foreach_vch(ch) {
2707 				for (index = 0; index < _reg_PHY_PAD_TERM_X_NUM;
2708 				     index++) {
2709 					data_l =
2710 					    ddr_getval(ch,
2711 						       _reg_PHY_PAD_TERM_X
2712 						       [index]);
2713 					ddr_setval(ch,
2714 						   _reg_PHY_PAD_TERM_X[index],
2715 						   (data_l & 0xFFFE0FFF) |
2716 						   0x00015000);
2717 				}
2718 			}
2719 		}
2720 	}
2721 
2722 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) {
2723 		/* non */
2724 	} else {
2725 		ddr_padcal_tcompensate_getinit(override);
2726 	}
2727 
2728 	return 0;
2729 }
2730 
2731 /* DDR mode register setting */
ddr_register_set(void)2732 static void ddr_register_set(void)
2733 {
2734 	int32_t fspwp;
2735 	uint32_t tmp;
2736 
2737 	for (fspwp = 1; fspwp >= 0; fspwp--) {
2738 		/*MR13, fspwp */
2739 		send_dbcmd(0x0e840d08 | ((2 - fspwp) << 6));
2740 
2741 		tmp =
2742 		    ddrtbl_getval(_cnf_DDR_PI_REGSET,
2743 				  reg_pi_mr1_data_fx_csx[fspwp][0]);
2744 		send_dbcmd(0x0e840100 | tmp);
2745 
2746 		tmp =
2747 		    ddrtbl_getval(_cnf_DDR_PI_REGSET,
2748 				  reg_pi_mr2_data_fx_csx[fspwp][0]);
2749 		send_dbcmd(0x0e840200 | tmp);
2750 
2751 		tmp =
2752 		    ddrtbl_getval(_cnf_DDR_PI_REGSET,
2753 				  reg_pi_mr3_data_fx_csx[fspwp][0]);
2754 		send_dbcmd(0x0e840300 | tmp);
2755 
2756 		tmp =
2757 		    ddrtbl_getval(_cnf_DDR_PI_REGSET,
2758 				  reg_pi_mr11_data_fx_csx[fspwp][0]);
2759 		send_dbcmd(0x0e840b00 | tmp);
2760 
2761 		tmp =
2762 		    ddrtbl_getval(_cnf_DDR_PI_REGSET,
2763 				  reg_pi_mr12_data_fx_csx[fspwp][0]);
2764 		send_dbcmd(0x0e840c00 | tmp);
2765 
2766 		tmp =
2767 		    ddrtbl_getval(_cnf_DDR_PI_REGSET,
2768 				  reg_pi_mr14_data_fx_csx[fspwp][0]);
2769 		send_dbcmd(0x0e840e00 | tmp);
2770 		/* MR22 */
2771 		send_dbcmd(0x0e841616);
2772 
2773 		/* ZQCAL start */
2774 		send_dbcmd(0x0d84004F);
2775 
2776 		/* ZQLAT */
2777 		send_dbcmd(0x0d840051);
2778 	}
2779 
2780 	/* MR13, fspwp */
2781 	send_dbcmd(0x0e840d08);
2782 }
2783 
2784 /* Training handshake functions */
wait_freqchgreq(uint32_t assert)2785 static inline uint32_t wait_freqchgreq(uint32_t assert)
2786 {
2787 	uint32_t data_l;
2788 	uint32_t count;
2789 	uint32_t ch;
2790 
2791 	count = 100000;
2792 
2793 	/* H3 Ver.1.x cannot see frqchg_req */
2794 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) {
2795 		return 0;
2796 	}
2797 
2798 	if (assert) {
2799 		do {
2800 			data_l = 1;
2801 			foreach_vch(ch) {
2802 				data_l &= mmio_read_32(DBSC_DBPDSTAT(ch));
2803 			}
2804 			count = count - 1;
2805 		} while (((data_l & 0x01) != 0x01) & (count != 0));
2806 	} else {
2807 		do {
2808 			data_l = 0;
2809 			foreach_vch(ch) {
2810 				data_l |= mmio_read_32(DBSC_DBPDSTAT(ch));
2811 			}
2812 			count = count - 1;
2813 		} while (((data_l & 0x01) != 0x00) & (count != 0));
2814 	}
2815 
2816 	return (count == 0);
2817 }
2818 
set_freqchgack(uint32_t assert)2819 static inline void set_freqchgack(uint32_t assert)
2820 {
2821 	uint32_t ch;
2822 	uint32_t data_l;
2823 
2824 	if (assert)
2825 		data_l = 0x0CF20000;
2826 	else
2827 		data_l = 0x00000000;
2828 
2829 	foreach_vch(ch)
2830 	    mmio_write_32(DBSC_DBPDCNT2(ch), data_l);
2831 }
2832 
set_dfifrequency(uint32_t freq)2833 static inline void set_dfifrequency(uint32_t freq)
2834 {
2835 	uint32_t ch;
2836 
2837 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) {
2838 		foreach_vch(ch)
2839 		    mmio_clrsetbits_32(DBSC_DBPDCNT1(ch), 0x1fU, freq);
2840 	} else {
2841 		foreach_vch(ch) {
2842 			mmio_clrsetbits_32(DBSC_DBDFICNT(ch), 0x1fU << 24,
2843 					   (freq << 24));
2844 		}
2845 	}
2846 	dsb_sev();
2847 }
2848 
pll3_freq(uint32_t on)2849 static uint32_t pll3_freq(uint32_t on)
2850 {
2851 	uint32_t timeout;
2852 
2853 	timeout = wait_freqchgreq(1);
2854 
2855 	if (timeout) {
2856 		return 1;
2857 	}
2858 
2859 	pll3_control(on);
2860 	set_dfifrequency(on);
2861 
2862 	set_freqchgack(1);
2863 	timeout = wait_freqchgreq(0);
2864 	set_freqchgack(0);
2865 
2866 	if (timeout) {
2867 		FATAL_MSG("BL2: Time out[2]\n");
2868 		return 1;
2869 	}
2870 	return 0;
2871 }
2872 
2873 /* update dly */
update_dly(void)2874 static void update_dly(void)
2875 {
2876 	ddr_setval_ach(_reg_SC_PHY_MANUAL_UPDATE, 0x01);
2877 	ddr_setval_ach(_reg_PHY_ADRCTL_MANUAL_UPDATE, 0x01);
2878 }
2879 
2880 /* training by pi */
pi_training_go(void)2881 static uint32_t pi_training_go(void)
2882 {
2883 	uint32_t flag;
2884 	uint32_t data_l;
2885 	uint32_t retry;
2886 	const uint32_t RETRY_MAX = 4096 * 16;
2887 	uint32_t ch;
2888 
2889 	uint32_t mst_ch;
2890 	uint32_t cur_frq;
2891 	uint32_t complete;
2892 	uint32_t frqchg_req;
2893 
2894 	/* pi_start */
2895 	ddr_setval_ach(_reg_PI_START, 0x01);
2896 	foreach_vch(ch)
2897 	    ddr_getval(ch, _reg_PI_INT_STATUS);
2898 
2899 	/* set dfi_phymstr_ack = 1 */
2900 	mmio_write_32(DBSC_DBDFIPMSTRCNF, 0x00000001);
2901 	dsb_sev();
2902 
2903 	/* wait pi_int_status[0] */
2904 	mst_ch = 0;
2905 	flag = 0;
2906 	complete = 0;
2907 	cur_frq = 0;
2908 	retry = RETRY_MAX;
2909 	do {
2910 		frqchg_req = mmio_read_32(DBSC_DBPDSTAT(mst_ch)) & 0x01;
2911 
2912 		/* H3 Ver.1.x cannot see frqchg_req */
2913 		if ((prr_product == PRR_PRODUCT_H3) &&
2914 		    (prr_cut <= PRR_PRODUCT_11)) {
2915 			if ((retry % 4096) == 1) {
2916 				frqchg_req = 1;
2917 			} else {
2918 				frqchg_req = 0;
2919 			}
2920 		}
2921 
2922 		if (frqchg_req) {
2923 			if (cur_frq) {
2924 				/* Low frequency */
2925 				flag = pll3_freq(0);
2926 				cur_frq = 0;
2927 			} else {
2928 				/* High frequency */
2929 				flag = pll3_freq(1);
2930 				cur_frq = 1;
2931 			}
2932 			if (flag)
2933 				break;
2934 		} else {
2935 			if (cur_frq) {
2936 				foreach_vch(ch) {
2937 					if (complete & (1U << ch))
2938 						continue;
2939 					data_l =
2940 					    ddr_getval(ch, _reg_PI_INT_STATUS);
2941 					if (data_l & 0x01) {
2942 						complete |= (1U << ch);
2943 					}
2944 				}
2945 				if (complete == ddr_phyvalid)
2946 					break;
2947 			}
2948 		}
2949 	} while (--retry);
2950 	foreach_vch(ch) {
2951 		/* dummy read */
2952 		data_l = ddr_getval_s(ch, 0, _reg_PHY_CAL_RESULT2_OBS_0);
2953 		data_l = ddr_getval(ch, _reg_PI_INT_STATUS);
2954 		ddr_setval(ch, _reg_PI_INT_ACK, data_l);
2955 	}
2956 	if (ddrphy_regif_chk()) {
2957 		return 0xfd;
2958 	}
2959 	return complete;
2960 }
2961 
2962 /* Initialize DDR */
init_ddr(void)2963 static uint32_t init_ddr(void)
2964 {
2965 	int32_t i;
2966 	uint32_t data_l;
2967 	uint32_t phytrainingok;
2968 	uint32_t ch, slice;
2969 	uint32_t err;
2970 	int16_t adj;
2971 
2972 	MSG_LF(__func__ ":0\n");
2973 
2974 #ifdef DDR_BACKUPMODE
2975 	rcar_dram_get_boot_status(&ddr_backup);
2976 #endif
2977 
2978 	/* unlock phy */
2979 	/* Unlock DDRPHY register(AGAIN) */
2980 	foreach_vch(ch)
2981 	    mmio_write_32(DBSC_DBPDLK(ch), 0x0000A55A);
2982 	dsb_sev();
2983 
2984 	if ((((prr_product == PRR_PRODUCT_H3) &&
2985 	      (prr_cut > PRR_PRODUCT_11)) ||
2986 	     (prr_product == PRR_PRODUCT_M3N) ||
2987 	     (prr_product == PRR_PRODUCT_V3H)) && board_cnf->dbi_en)
2988 		reg_ddrphy_write_a(0x00001010, 0x01000001);
2989 	else
2990 		reg_ddrphy_write_a(0x00001010, 0x00000001);
2991 	/* DBSC register pre-setting */
2992 	dbsc_regset_pre();
2993 
2994 	/* load ddrphy registers */
2995 
2996 	ddrtbl_load();
2997 
2998 	/* configure ddrphy registers */
2999 	ddr_config();
3000 
3001 	/* dfi_reset assert */
3002 	foreach_vch(ch)
3003 	    mmio_write_32(DBSC_DBPDCNT0(ch), 0x01);
3004 	dsb_sev();
3005 
3006 	/* dbsc register set */
3007 	dbsc_regset();
3008 	MSG_LF(__func__ ":1\n");
3009 
3010 	/* dfi_reset negate */
3011 	foreach_vch(ch)
3012 	    mmio_write_32(DBSC_DBPDCNT0(ch), 0x00);
3013 	dsb_sev();
3014 
3015 	/* dfi_init_start (start ddrphy) */
3016 	err = dfi_init_start();
3017 	if (err) {
3018 		return INITDRAM_ERR_I;
3019 	}
3020 	MSG_LF(__func__ ":2\n");
3021 
3022 	/* ddr backupmode end */
3023 #ifdef DDR_BACKUPMODE
3024 	if (ddr_backup) {
3025 		NOTICE("BL2: [WARM_BOOT]\n");
3026 	} else {
3027 		NOTICE("BL2: [COLD_BOOT]\n");
3028 	}
3029 	err = rcar_dram_update_boot_status(ddr_backup);
3030 	if (err) {
3031 		NOTICE("BL2: [BOOT_STATUS_UPDATE_ERROR]\n");
3032 		return INITDRAM_ERR_I;
3033 	}
3034 #endif
3035 	MSG_LF(__func__ ":3\n");
3036 
3037 	/* override term code after dfi_init_complete */
3038 	err = set_term_code();
3039 	if (err) {
3040 		return INITDRAM_ERR_I;
3041 	}
3042 	MSG_LF(__func__ ":4\n");
3043 
3044 	/* rx offset calibration */
3045 	if ((prr_cut > PRR_PRODUCT_11) || (prr_product == PRR_PRODUCT_M3N) ||
3046 	    (prr_product == PRR_PRODUCT_V3H)) {
3047 		err = rx_offset_cal_hw();
3048 	} else {
3049 		err = rx_offset_cal();
3050 	}
3051 	if (err)
3052 		return INITDRAM_ERR_O;
3053 	MSG_LF(__func__ ":5\n");
3054 
3055 	/* Dummy PDE */
3056 	send_dbcmd(0x08840000);
3057 
3058 	/* PDX */
3059 	send_dbcmd(0x08840001);
3060 
3061 	/* check register i/f is alive */
3062 	err = ddrphy_regif_chk();
3063 	if (err) {
3064 		return INITDRAM_ERR_O;
3065 	}
3066 	MSG_LF(__func__ ":6\n");
3067 
3068 	/* phy initialize end */
3069 
3070 	/* setup DDR mode registers */
3071 	/* CMOS MODE */
3072 	change_lpddr4_en(0);
3073 
3074 	/* MRS */
3075 	ddr_register_set();
3076 
3077 	/* Thermal sensor setting */
3078 	/* THCTR Bit6: PONM=0 , Bit0: THSST=1  */
3079 	data_l = (mmio_read_32(THS1_THCTR) & 0xFFFFFFBF) | 0x00000001;
3080 	mmio_write_32(THS1_THCTR, data_l);
3081 
3082 	/* LPDDR4 MODE */
3083 	change_lpddr4_en(1);
3084 
3085 	MSG_LF(__func__ ":7\n");
3086 
3087 	/* mask CS_MAP if RANKx is not found */
3088 	foreach_vch(ch) {
3089 		data_l = ddr_getval(ch, _reg_PI_CS_MAP);
3090 		if (!(ch_have_this_cs[1] & (1U << ch)))
3091 			data_l = data_l & 0x05;
3092 		ddr_setval(ch, _reg_PI_CS_MAP, data_l);
3093 	}
3094 
3095 	/* exec pi_training */
3096 	reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_FREQ_SEL_MULTICAST_EN),
3097 			   BIT(ddr_regdef_lsb(_reg_PHY_FREQ_SEL_MULTICAST_EN)));
3098 	ddr_setval_ach_as(_reg_PHY_PER_CS_TRAINING_MULTICAST_EN, 0x00);
3099 
3100 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) {
3101 		ddr_setval_ach_as(_reg_PHY_PER_CS_TRAINING_EN, 0x01);
3102 	} else {
3103 		foreach_vch(ch) {
3104 			for (slice = 0; slice < SLICE_CNT; slice++) {
3105 				ddr_setval_s(ch, slice,
3106 					     _reg_PHY_PER_CS_TRAINING_EN,
3107 					     ((ch_have_this_cs[1]) >> ch)
3108 					     & 0x01);
3109 			}
3110 		}
3111 	}
3112 
3113 	phytrainingok = pi_training_go();
3114 
3115 	if (ddr_phyvalid != (phytrainingok & ddr_phyvalid)) {
3116 		return INITDRAM_ERR_T | phytrainingok;
3117 	}
3118 
3119 	MSG_LF(__func__ ":8\n");
3120 
3121 	/* CACS DLY ADJUST */
3122 	data_l = board_cnf->cacs_dly + _f_scale_adj(board_cnf->cacs_dly_adj);
3123 	foreach_vch(ch) {
3124 		for (i = 0; i < _reg_PHY_CLK_CACS_SLAVE_DELAY_X_NUM; i++) {
3125 			adj = _f_scale_adj(board_cnf->ch[ch].cacs_adj[i]);
3126 			ddr_setval(ch, _reg_PHY_CLK_CACS_SLAVE_DELAY_X[i],
3127 				   data_l + adj);
3128 		}
3129 
3130 		if (ddr_phycaslice == 1) {
3131 			for (i = 0; i < 6; i++) {
3132 				adj = _f_scale_adj(board_cnf->ch[ch].cacs_adj
3133 					[i +
3134 					_reg_PHY_CLK_CACS_SLAVE_DELAY_X_NUM]);
3135 				ddr_setval_s(ch, 2,
3136 					     _reg_PHY_CLK_CACS_SLAVE_DELAY_X
3137 					     [i],
3138 					     data_l + adj
3139 				);
3140 			}
3141 		}
3142 	}
3143 
3144 	update_dly();
3145 	MSG_LF(__func__ ":9\n");
3146 
3147 	/* H3 fix rd latency to avoid bug in elasitic buffer */
3148 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11))
3149 		adjust_rddqs_latency();
3150 
3151 	/* Adjust Write path latency */
3152 	if (ddrtbl_getval
3153 	    (_cnf_DDR_PHY_SLICE_REGSET, _reg_PHY_WRITE_PATH_LAT_ADD))
3154 		adjust_wpath_latency();
3155 
3156 	/* RDQLVL Training */
3157 	if (!ddrtbl_getval(_cnf_DDR_PHY_SLICE_REGSET, _reg_PHY_IE_MODE))
3158 		ddr_setval_ach_as(_reg_PHY_IE_MODE, 0x01);
3159 
3160 	err = rdqdm_man();
3161 
3162 	if (!ddrtbl_getval(_cnf_DDR_PHY_SLICE_REGSET, _reg_PHY_IE_MODE))
3163 		ddr_setval_ach_as(_reg_PHY_IE_MODE, 0x00);
3164 
3165 	if (err) {
3166 		return INITDRAM_ERR_T;
3167 	}
3168 	update_dly();
3169 	MSG_LF(__func__ ":10\n");
3170 
3171 	/* WDQLVL Training */
3172 	err = wdqdm_man();
3173 	if (err) {
3174 		return INITDRAM_ERR_T;
3175 	}
3176 	update_dly();
3177 	MSG_LF(__func__ ":11\n");
3178 
3179 	/* training complete, setup DBSC */
3180 	if (((prr_product == PRR_PRODUCT_H3) && (prr_cut > PRR_PRODUCT_11)) ||
3181 	    (prr_product == PRR_PRODUCT_M3N) ||
3182 	    (prr_product == PRR_PRODUCT_V3H)) {
3183 		ddr_setval_ach_as(_reg_PHY_DFI40_POLARITY, 0x00);
3184 		ddr_setval_ach(_reg_PI_DFI40_POLARITY, 0x00);
3185 	}
3186 
3187 	dbsc_regset_post();
3188 	MSG_LF(__func__ ":12\n");
3189 
3190 	return phytrainingok;
3191 }
3192 
3193 /* SW LEVELING COMMON */
swlvl1(uint32_t ddr_csn,uint32_t reg_cs,uint32_t reg_kick)3194 static uint32_t swlvl1(uint32_t ddr_csn, uint32_t reg_cs, uint32_t reg_kick)
3195 {
3196 	uint32_t ch;
3197 	uint32_t data_l;
3198 	uint32_t retry;
3199 	uint32_t waiting;
3200 	uint32_t err;
3201 
3202 	const uint32_t RETRY_MAX = 0x1000;
3203 
3204 	err = 0;
3205 	/* set EXIT -> OP_DONE is cleared */
3206 	ddr_setval_ach(_reg_PI_SWLVL_EXIT, 0x01);
3207 
3208 	/* kick */
3209 	foreach_vch(ch) {
3210 		if (ch_have_this_cs[ddr_csn % 2] & (1U << ch)) {
3211 			ddr_setval(ch, reg_cs, ddr_csn);
3212 			ddr_setval(ch, reg_kick, 0x01);
3213 		}
3214 	}
3215 	foreach_vch(ch) {
3216 		/*PREPARE ADDR REGISTER (for SWLVL_OP_DONE) */
3217 		ddr_getval(ch, _reg_PI_SWLVL_OP_DONE);
3218 	}
3219 	waiting = ch_have_this_cs[ddr_csn % 2];
3220 	dsb_sev();
3221 	retry = RETRY_MAX;
3222 	do {
3223 		foreach_vch(ch) {
3224 			if (!(waiting & (1U << ch)))
3225 				continue;
3226 			data_l = ddr_getval(ch, _reg_PI_SWLVL_OP_DONE);
3227 			if (data_l & 0x01)
3228 				waiting &= ~(1U << ch);
3229 		}
3230 		retry--;
3231 	} while (waiting && (retry > 0));
3232 	if (retry == 0) {
3233 		err = 1;
3234 	}
3235 
3236 	dsb_sev();
3237 	/* set EXIT -> OP_DONE is cleared */
3238 	ddr_setval_ach(_reg_PI_SWLVL_EXIT, 0x01);
3239 	dsb_sev();
3240 
3241 	return err;
3242 }
3243 
3244 /* WDQ TRAINING */
3245 #ifndef DDR_FAST_INIT
wdqdm_clr1(uint32_t ch,uint32_t ddr_csn)3246 static void wdqdm_clr1(uint32_t ch, uint32_t ddr_csn)
3247 {
3248 	int32_t i, k;
3249 	uint32_t cs, slice;
3250 	uint32_t data_l;
3251 
3252 	/* clr of training results buffer */
3253 	cs = ddr_csn % 2;
3254 	data_l = board_cnf->dqdm_dly_w;
3255 	for (slice = 0; slice < SLICE_CNT; slice++) {
3256 		k = (board_cnf->ch[ch].dqs_swap >> (4 * slice)) & 0x0f;
3257 		if (((k >= 2) && (ddr_csn < 2)) || ((k < 2) && (ddr_csn >= 2)))
3258 			continue;
3259 
3260 		for (i = 0; i <= 8; i++) {
3261 			if (ch_have_this_cs[CS_CNT - 1 - cs] & (1U << ch))
3262 				wdqdm_dly[ch][cs][slice][i] =
3263 				    wdqdm_dly[ch][CS_CNT - 1 - cs][slice][i];
3264 			else
3265 				wdqdm_dly[ch][cs][slice][i] = data_l;
3266 			wdqdm_le[ch][cs][slice][i] = 0;
3267 			wdqdm_te[ch][cs][slice][i] = 0;
3268 		}
3269 		wdqdm_st[ch][cs][slice] = 0;
3270 		wdqdm_win[ch][cs][slice] = 0;
3271 	}
3272 }
3273 
wdqdm_ana1(uint32_t ch,uint32_t ddr_csn)3274 static uint32_t wdqdm_ana1(uint32_t ch, uint32_t ddr_csn)
3275 {
3276 	int32_t i, k;
3277 	uint32_t cs, slice;
3278 	uint32_t data_l;
3279 	uint32_t err;
3280 	const uint32_t _par_WDQLVL_RETRY_THRES = 0x7c0;
3281 
3282 	int32_t min_win;
3283 	int32_t win;
3284 	int8_t _adj;
3285 	int16_t adj;
3286 	uint32_t dq;
3287 
3288 	/* analysis of training results */
3289 	err = 0;
3290 	for (slice = 0; slice < SLICE_CNT; slice += 1) {
3291 		k = (board_cnf->ch[ch].dqs_swap >> (4 * slice)) & 0x0f;
3292 		if (((k >= 2) && (ddr_csn < 2)) || ((k < 2) && (ddr_csn >= 2)))
3293 			continue;
3294 
3295 		cs = ddr_csn % 2;
3296 		ddr_setval_s(ch, slice, _reg_PHY_PER_CS_TRAINING_INDEX, cs);
3297 		for (i = 0; i < 9; i++) {
3298 			dq = slice * 8 + i;
3299 			if (i == 8)
3300 				_adj = board_cnf->ch[ch].dm_adj_w[slice];
3301 			else
3302 				_adj = board_cnf->ch[ch].dq_adj_w[dq];
3303 			adj = _f_scale_adj(_adj);
3304 
3305 			data_l =
3306 			    ddr_getval_s(ch, slice,
3307 					 _reg_PHY_CLK_WRX_SLAVE_DELAY[i]) + adj;
3308 			ddr_setval_s(ch, slice, _reg_PHY_CLK_WRX_SLAVE_DELAY[i],
3309 				     data_l);
3310 			wdqdm_dly[ch][cs][slice][i] = data_l;
3311 		}
3312 		ddr_setval_s(ch, slice, _reg_PHY_PER_CS_TRAINING_EN, 0x00);
3313 		data_l = ddr_getval_s(ch, slice, _reg_PHY_WDQLVL_STATUS_OBS);
3314 		wdqdm_st[ch][cs][slice] = data_l;
3315 		min_win = INT_LEAST32_MAX;
3316 		for (i = 0; i <= 8; i++) {
3317 			ddr_setval_s(ch, slice, _reg_PHY_WDQLVL_DQDM_OBS_SELECT,
3318 				     i);
3319 
3320 			data_l =
3321 			    ddr_getval_s(ch, slice,
3322 					 _reg_PHY_WDQLVL_DQDM_TE_DLY_OBS);
3323 			wdqdm_te[ch][cs][slice][i] = data_l;
3324 			data_l =
3325 			    ddr_getval_s(ch, slice,
3326 					 _reg_PHY_WDQLVL_DQDM_LE_DLY_OBS);
3327 			wdqdm_le[ch][cs][slice][i] = data_l;
3328 			win =
3329 			    (int32_t)wdqdm_te[ch][cs][slice][i] -
3330 			    wdqdm_le[ch][cs][slice][i];
3331 			if (min_win > win)
3332 				min_win = win;
3333 			if (data_l >= _par_WDQLVL_RETRY_THRES)
3334 				err = 2;
3335 		}
3336 		wdqdm_win[ch][cs][slice] = min_win;
3337 		if ((prr_product == PRR_PRODUCT_H3) &&
3338 		    (prr_cut <= PRR_PRODUCT_11)) {
3339 			ddr_setval_s(ch, slice, _reg_PHY_PER_CS_TRAINING_EN,
3340 				     0x01);
3341 		} else {
3342 			ddr_setval_s(ch, slice, _reg_PHY_PER_CS_TRAINING_EN,
3343 				     ((ch_have_this_cs[1]) >> ch) & 0x01);
3344 		}
3345 	}
3346 	return err;
3347 }
3348 #endif/* DDR_FAST_INIT */
3349 
wdqdm_cp(uint32_t ddr_csn,uint32_t restore)3350 static void wdqdm_cp(uint32_t ddr_csn, uint32_t restore)
3351 {
3352 	uint32_t i;
3353 	uint32_t ch, slice;
3354 	uint32_t tgt_cs, src_cs;
3355 	uint32_t tmp_r;
3356 
3357 	/* copy of training results */
3358 	foreach_vch(ch) {
3359 		for (tgt_cs = 0; tgt_cs < CS_CNT; tgt_cs++) {
3360 			for (slice = 0; slice < SLICE_CNT; slice++) {
3361 				ddr_setval_s(ch, slice,
3362 					     _reg_PHY_PER_CS_TRAINING_INDEX,
3363 					     tgt_cs);
3364 				src_cs = ddr_csn % 2;
3365 				if (!(ch_have_this_cs[1] & (1U << ch)))
3366 					src_cs = 0;
3367 				for (i = 0; i <= 4; i += 4) {
3368 					if (restore)
3369 						tmp_r =
3370 						    rdqdm_dly[ch][tgt_cs][slice]
3371 						    [i];
3372 					else
3373 						tmp_r =
3374 						    rdqdm_dly[ch][src_cs][slice]
3375 						    [i];
3376 
3377 					ddr_setval_s(ch, slice,
3378 						     _reg_PHY_RDDQS_X_RISE_SLAVE_DELAY
3379 						     [i], tmp_r);
3380 				}
3381 			}
3382 		}
3383 	}
3384 }
3385 
wdqdm_man1(void)3386 static uint32_t wdqdm_man1(void)
3387 {
3388 	int32_t k;
3389 	uint32_t ch, cs, slice;
3390 	uint32_t ddr_csn;
3391 	uint32_t data_l;
3392 	uint32_t err;
3393 	uint32_t high_dq[DRAM_CH_CNT];
3394 	uint32_t mr14_csab0_bak[DRAM_CH_CNT];
3395 #ifndef DDR_FAST_INIT
3396 	uint32_t err_flg;
3397 #endif/* DDR_FAST_INIT */
3398 
3399 	/* manual execution of training */
3400 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) {
3401 		foreach_vch(ch) {
3402 			high_dq[ch] = 0;
3403 			for (slice = 0; slice < SLICE_CNT; slice++) {
3404 				k = (board_cnf->ch[ch].dqs_swap >>
3405 				    (4 * slice)) & 0x0f;
3406 				if (k >= 2)
3407 					high_dq[ch] |= (1U << slice);
3408 			}
3409 			ddr_setval(ch, _reg_PI_16BIT_DRAM_CONNECT, 0x00);
3410 		}
3411 	}
3412 	err = 0;
3413 	/* CLEAR PREV RESULT */
3414 	for (cs = 0; cs < CS_CNT; cs++) {
3415 		ddr_setval_ach_as(_reg_PHY_PER_CS_TRAINING_INDEX, cs);
3416 		if (((prr_product == PRR_PRODUCT_H3) &&
3417 		     (prr_cut > PRR_PRODUCT_11)) ||
3418 		    (prr_product == PRR_PRODUCT_M3N) ||
3419 		    (prr_product == PRR_PRODUCT_V3H)) {
3420 			ddr_setval_ach_as(_reg_SC_PHY_WDQLVL_CLR_PREV_RESULTS,
3421 					  0x01);
3422 		} else {
3423 			ddr_setval_ach_as(_reg_PHY_WDQLVL_CLR_PREV_RESULTS,
3424 					  0x01);
3425 		}
3426 	}
3427 	ddrphy_regif_idle();
3428 
3429 #ifndef DDR_FAST_INIT
3430 	err_flg = 0;
3431 #endif/* DDR_FAST_INIT */
3432 	for (ddr_csn = 0; ddr_csn < CSAB_CNT; ddr_csn++) {
3433 		if ((prr_product == PRR_PRODUCT_H3) &&
3434 		    (prr_cut <= PRR_PRODUCT_11)) {
3435 			foreach_vch(ch) {
3436 				data_l = mmio_read_32(DBSC_DBDFICNT(ch));
3437 				data_l &= ~(0x00ffU << 16);
3438 
3439 				if (ddr_csn >= 2)
3440 					k = (high_dq[ch] ^ 0x0f);
3441 				else
3442 					k = high_dq[ch];
3443 				data_l |= (k << 16);
3444 				mmio_write_32(DBSC_DBDFICNT(ch), data_l);
3445 				ddr_setval(ch, _reg_PI_WDQLVL_RESP_MASK, k);
3446 			}
3447 		}
3448 		if (((prr_product == PRR_PRODUCT_H3) &&
3449 		     (prr_cut <= PRR_PRODUCT_11)) ||
3450 		    ((prr_product == PRR_PRODUCT_M3) &&
3451 		     (prr_cut == PRR_PRODUCT_10))) {
3452 			wdqdm_cp(ddr_csn, 0);
3453 		}
3454 
3455 		foreach_vch(ch) {
3456 			data_l =
3457 			    ddr_getval(ch,
3458 				       reg_pi_mr14_data_fx_csx[1][ddr_csn]);
3459 			ddr_setval(ch, reg_pi_mr14_data_fx_csx[1][0], data_l);
3460 		}
3461 
3462 		/* KICK WDQLVL */
3463 		err = swlvl1(ddr_csn, _reg_PI_WDQLVL_CS, _reg_PI_WDQLVL_REQ);
3464 		if (err)
3465 			goto err_exit;
3466 
3467 		if (ddr_csn == 0)
3468 			foreach_vch(ch) {
3469 			mr14_csab0_bak[ch] =
3470 			    ddr_getval(ch, reg_pi_mr14_data_fx_csx[1][0]);
3471 		} else
3472 			foreach_vch(ch) {
3473 			ddr_setval(ch, reg_pi_mr14_data_fx_csx[1][0],
3474 				   mr14_csab0_bak[ch]);
3475 			}
3476 #ifndef DDR_FAST_INIT
3477 		foreach_vch(ch) {
3478 			if (!(ch_have_this_cs[ddr_csn % 2] & (1U << ch))) {
3479 				wdqdm_clr1(ch, ddr_csn);
3480 				continue;
3481 			}
3482 			err = wdqdm_ana1(ch, ddr_csn);
3483 			if (err)
3484 				err_flg |= (1U << (ddr_csn * 4 + ch));
3485 			ddrphy_regif_idle();
3486 		}
3487 #endif/* DDR_FAST_INIT */
3488 	}
3489 err_exit:
3490 #ifndef DDR_FAST_INIT
3491 	err |= err_flg;
3492 #endif/* DDR_FAST_INIT */
3493 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) {
3494 		ddr_setval_ach(_reg_PI_16BIT_DRAM_CONNECT, 0x01);
3495 		foreach_vch(ch) {
3496 			data_l = mmio_read_32(DBSC_DBDFICNT(ch));
3497 			data_l &= ~(0x00ffU << 16);
3498 			mmio_write_32(DBSC_DBDFICNT(ch), data_l);
3499 			ddr_setval(ch, _reg_PI_WDQLVL_RESP_MASK, 0x00);
3500 		}
3501 	}
3502 	return err;
3503 }
3504 
wdqdm_man(void)3505 static uint32_t wdqdm_man(void)
3506 {
3507 	uint32_t err, retry_cnt;
3508 	const uint32_t retry_max = 0x10;
3509 	uint32_t datal, ch, ddr_csn, mr14_bkup[4][4];
3510 
3511 	datal = RL + js2[js2_tdqsck] + (16 / 2) + 1 - WL + 2 + 2 + 19;
3512 	if ((mmio_read_32(DBSC_DBTR(11)) & 0xFF) > datal)
3513 		datal = mmio_read_32(DBSC_DBTR(11)) & 0xFF;
3514 	ddr_setval_ach(_reg_PI_TDFI_WDQLVL_RW, datal);
3515 
3516 	if (((prr_product == PRR_PRODUCT_H3) && (prr_cut > PRR_PRODUCT_11)) ||
3517 	    (prr_product == PRR_PRODUCT_M3N) ||
3518 	    (prr_product == PRR_PRODUCT_V3H)) {
3519 		ddr_setval_ach(_reg_PI_TDFI_WDQLVL_WR_F0,
3520 			       (mmio_read_32(DBSC_DBTR(12)) & 0xFF) + 10);
3521 		ddr_setval_ach(_reg_PI_TDFI_WDQLVL_WR_F1,
3522 			       (mmio_read_32(DBSC_DBTR(12)) & 0xFF) + 10);
3523 	} else {
3524 		ddr_setval_ach(_reg_PI_TDFI_WDQLVL_WR,
3525 			       (mmio_read_32(DBSC_DBTR(12)) & 0xFF) + 10);
3526 	}
3527 	ddr_setval_ach(_reg_PI_TRFC_F0, mmio_read_32(DBSC_DBTR(13)) & 0x1FF);
3528 	ddr_setval_ach(_reg_PI_TRFC_F1, mmio_read_32(DBSC_DBTR(13)) & 0x1FF);
3529 
3530 	retry_cnt = 0;
3531 	err = 0;
3532 	do {
3533 		if ((prr_product == PRR_PRODUCT_H3) &&
3534 		    (prr_cut <= PRR_PRODUCT_11)) {
3535 			err = wdqdm_man1();
3536 		} else {
3537 			ddr_setval_ach(_reg_PI_WDQLVL_VREF_EN, 0x01);
3538 			ddr_setval_ach(_reg_PI_WDQLVL_VREF_NORMAL_STEPSIZE,
3539 				       0x01);
3540 			if ((prr_product == PRR_PRODUCT_M3N) ||
3541 			    (prr_product == PRR_PRODUCT_V3H)) {
3542 				ddr_setval_ach(_reg_PI_WDQLVL_VREF_DELTA_F1,
3543 					       0x0C);
3544 			} else {
3545 				ddr_setval_ach(_reg_PI_WDQLVL_VREF_DELTA, 0x0C);
3546 			}
3547 			dsb_sev();
3548 			err = wdqdm_man1();
3549 			foreach_vch(ch) {
3550 				for (ddr_csn = 0; ddr_csn < CSAB_CNT; ddr_csn++) {
3551 					mr14_bkup[ch][ddr_csn] =
3552 					    ddr_getval(ch,
3553 						       reg_pi_mr14_data_fx_csx
3554 						       [1][ddr_csn]);
3555 					dsb_sev();
3556 				}
3557 			}
3558 
3559 			if ((prr_product == PRR_PRODUCT_M3N) ||
3560 			    (prr_product == PRR_PRODUCT_V3H)) {
3561 				ddr_setval_ach(_reg_PI_WDQLVL_VREF_DELTA_F1,
3562 					       0x04);
3563 			} else {
3564 				ddr_setval_ach(_reg_PI_WDQLVL_VREF_DELTA, 0x04);
3565 			}
3566 			pvtcode_update();
3567 			err = wdqdm_man1();
3568 			foreach_vch(ch) {
3569 				for (ddr_csn = 0; ddr_csn < CSAB_CNT; ddr_csn++) {
3570 					mr14_bkup[ch][ddr_csn] =
3571 					    (mr14_bkup[ch][ddr_csn] +
3572 					     ddr_getval(ch,
3573 							reg_pi_mr14_data_fx_csx
3574 							[1][ddr_csn])) / 2;
3575 					ddr_setval(ch,
3576 						   reg_pi_mr14_data_fx_csx[1]
3577 						   [ddr_csn],
3578 						   mr14_bkup[ch][ddr_csn]);
3579 				}
3580 			}
3581 
3582 			ddr_setval_ach(_reg_PI_WDQLVL_VREF_NORMAL_STEPSIZE,
3583 				       0x00);
3584 			if ((prr_product == PRR_PRODUCT_M3N) ||
3585 			    (prr_product == PRR_PRODUCT_V3H)) {
3586 				ddr_setval_ach(_reg_PI_WDQLVL_VREF_DELTA_F1,
3587 					       0x00);
3588 				ddr_setval_ach
3589 				    (_reg_PI_WDQLVL_VREF_INITIAL_START_POINT_F1,
3590 				     0x00);
3591 				ddr_setval_ach
3592 				    (_reg_PI_WDQLVL_VREF_INITIAL_STOP_POINT_F1,
3593 				     0x00);
3594 			} else {
3595 				ddr_setval_ach(_reg_PI_WDQLVL_VREF_DELTA, 0x00);
3596 				ddr_setval_ach
3597 				    (_reg_PI_WDQLVL_VREF_INITIAL_START_POINT,
3598 				     0x00);
3599 				ddr_setval_ach
3600 				    (_reg_PI_WDQLVL_VREF_INITIAL_STOP_POINT,
3601 				     0x00);
3602 			}
3603 			ddr_setval_ach(_reg_PI_WDQLVL_VREF_INITIAL_STEPSIZE,
3604 				       0x00);
3605 
3606 			pvtcode_update2();
3607 			err = wdqdm_man1();
3608 			ddr_setval_ach(_reg_PI_WDQLVL_VREF_EN, 0x00);
3609 		}
3610 	} while (err && (++retry_cnt < retry_max));
3611 
3612 	if (((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) ||
3613 	    ((prr_product == PRR_PRODUCT_M3) && (prr_cut <= PRR_PRODUCT_10))) {
3614 		wdqdm_cp(0, 1);
3615 	}
3616 
3617 	return (retry_cnt >= retry_max);
3618 }
3619 
3620 /* RDQ TRAINING */
3621 #ifndef DDR_FAST_INIT
rdqdm_clr1(uint32_t ch,uint32_t ddr_csn)3622 static void rdqdm_clr1(uint32_t ch, uint32_t ddr_csn)
3623 {
3624 	int32_t i, k;
3625 	uint32_t cs, slice;
3626 	uint32_t data_l;
3627 
3628 	/* clr of training results buffer */
3629 	cs = ddr_csn % 2;
3630 	data_l = board_cnf->dqdm_dly_r;
3631 	for (slice = 0; slice < SLICE_CNT; slice++) {
3632 		k = (board_cnf->ch[ch].dqs_swap >> (4 * slice)) & 0x0f;
3633 		if (((k >= 2) && (ddr_csn < 2)) || ((k < 2) && (ddr_csn >= 2)))
3634 			continue;
3635 
3636 		for (i = 0; i <= 8; i++) {
3637 			if (ch_have_this_cs[CS_CNT - 1 - cs] & (1U << ch)) {
3638 				rdqdm_dly[ch][cs][slice][i] =
3639 				    rdqdm_dly[ch][CS_CNT - 1 - cs][slice][i];
3640 				rdqdm_dly[ch][cs][slice + SLICE_CNT][i] =
3641 				    rdqdm_dly[ch][CS_CNT - 1 - cs][slice +
3642 								   SLICE_CNT]
3643 				    [i];
3644 			} else {
3645 				rdqdm_dly[ch][cs][slice][i] = data_l;
3646 				rdqdm_dly[ch][cs][slice + SLICE_CNT][i] =
3647 					data_l;
3648 			}
3649 			rdqdm_le[ch][cs][slice][i] = 0;
3650 			rdqdm_le[ch][cs][slice + SLICE_CNT][i] = 0;
3651 			rdqdm_te[ch][cs][slice][i] = 0;
3652 			rdqdm_te[ch][cs][slice + SLICE_CNT][i] = 0;
3653 			rdqdm_nw[ch][cs][slice][i] = 0;
3654 			rdqdm_nw[ch][cs][slice + SLICE_CNT][i] = 0;
3655 		}
3656 		rdqdm_st[ch][cs][slice] = 0;
3657 		rdqdm_win[ch][cs][slice] = 0;
3658 	}
3659 }
3660 
rdqdm_ana1(uint32_t ch,uint32_t ddr_csn)3661 static uint32_t rdqdm_ana1(uint32_t ch, uint32_t ddr_csn)
3662 {
3663 	int32_t i, k;
3664 	uint32_t cs, slice;
3665 	uint32_t data_l;
3666 	uint32_t err;
3667 	int8_t _adj;
3668 	int16_t adj;
3669 	uint32_t dq;
3670 	int32_t min_win;
3671 	int32_t win;
3672 	uint32_t rdq_status_obs_select;
3673 
3674 	/* analysis of training results */
3675 	err = 0;
3676 	for (slice = 0; slice < SLICE_CNT; slice++) {
3677 		k = (board_cnf->ch[ch].dqs_swap >> (4 * slice)) & 0x0f;
3678 		if (((k >= 2) && (ddr_csn < 2)) || ((k < 2) && (ddr_csn >= 2)))
3679 			continue;
3680 
3681 		cs = ddr_csn % 2;
3682 		ddr_setval_s(ch, slice, _reg_PHY_PER_CS_TRAINING_INDEX, cs);
3683 		ddrphy_regif_idle();
3684 
3685 		ddr_getval_s(ch, slice, _reg_PHY_PER_CS_TRAINING_INDEX);
3686 		ddrphy_regif_idle();
3687 
3688 		for (i = 0; i <= 8; i++) {
3689 			dq = slice * 8 + i;
3690 			if (i == 8)
3691 				_adj = board_cnf->ch[ch].dm_adj_r[slice];
3692 			else
3693 				_adj = board_cnf->ch[ch].dq_adj_r[dq];
3694 
3695 			adj = _f_scale_adj(_adj);
3696 
3697 			data_l =
3698 			    ddr_getval_s(ch, slice,
3699 					 _reg_PHY_RDDQS_X_RISE_SLAVE_DELAY[i]) +
3700 			    adj;
3701 			ddr_setval_s(ch, slice,
3702 				     _reg_PHY_RDDQS_X_RISE_SLAVE_DELAY[i],
3703 				     data_l);
3704 			rdqdm_dly[ch][cs][slice][i] = data_l;
3705 
3706 			data_l =
3707 			    ddr_getval_s(ch, slice,
3708 					 _reg_PHY_RDDQS_X_FALL_SLAVE_DELAY[i]) +
3709 			    adj;
3710 			ddr_setval_s(ch, slice,
3711 				     _reg_PHY_RDDQS_X_FALL_SLAVE_DELAY[i],
3712 				     data_l);
3713 			rdqdm_dly[ch][cs][slice + SLICE_CNT][i] = data_l;
3714 		}
3715 		min_win = INT_LEAST32_MAX;
3716 		for (i = 0; i <= 8; i++) {
3717 			data_l =
3718 			    ddr_getval_s(ch, slice, _reg_PHY_RDLVL_STATUS_OBS);
3719 			rdqdm_st[ch][cs][slice] = data_l;
3720 			rdqdm_st[ch][cs][slice + SLICE_CNT] = data_l;
3721 			/* k : rise/fall */
3722 			for (k = 0; k < 2; k++) {
3723 				if (i == 8) {
3724 					rdq_status_obs_select = 16 + 8 * k;
3725 				} else {
3726 					rdq_status_obs_select = i + k * 8;
3727 				}
3728 				ddr_setval_s(ch, slice,
3729 					     _reg_PHY_RDLVL_RDDQS_DQ_OBS_SELECT,
3730 					     rdq_status_obs_select);
3731 
3732 				data_l =
3733 				    ddr_getval_s(ch, slice,
3734 						 _reg_PHY_RDLVL_RDDQS_DQ_LE_DLY_OBS);
3735 				rdqdm_le[ch][cs][slice + SLICE_CNT * k][i] =
3736 				    data_l;
3737 
3738 				data_l =
3739 				    ddr_getval_s(ch, slice,
3740 						 _reg_PHY_RDLVL_RDDQS_DQ_TE_DLY_OBS);
3741 				rdqdm_te[ch][cs][slice + SLICE_CNT * k][i] =
3742 				    data_l;
3743 
3744 				data_l =
3745 				    ddr_getval_s(ch, slice,
3746 						 _reg_PHY_RDLVL_RDDQS_DQ_NUM_WINDOWS_OBS);
3747 				rdqdm_nw[ch][cs][slice + SLICE_CNT * k][i] =
3748 				    data_l;
3749 
3750 				win =
3751 				    (int32_t)rdqdm_te[ch][cs][slice +
3752 							      SLICE_CNT *
3753 							      k][i] -
3754 				    rdqdm_le[ch][cs][slice + SLICE_CNT * k][i];
3755 				if (i != 8) {
3756 					if (min_win > win)
3757 						min_win = win;
3758 				}
3759 			}
3760 		}
3761 		rdqdm_win[ch][cs][slice] = min_win;
3762 		if (min_win <= 0) {
3763 			err = 2;
3764 		}
3765 	}
3766 	return err;
3767 }
3768 #endif/* DDR_FAST_INIT */
3769 
rdqdm_man1(void)3770 static uint32_t rdqdm_man1(void)
3771 {
3772 	uint32_t ch;
3773 	uint32_t ddr_csn;
3774 #ifdef DDR_FAST_INIT
3775 	uint32_t slice;
3776 	uint32_t i, adj, data_l;
3777 #endif/* DDR_FAST_INIT */
3778 	uint32_t err;
3779 
3780 	/* manual execution of training */
3781 	err = 0;
3782 
3783 	for (ddr_csn = 0; ddr_csn < CSAB_CNT; ddr_csn++) {
3784 		/* KICK RDQLVL */
3785 		err = swlvl1(ddr_csn, _reg_PI_RDLVL_CS, _reg_PI_RDLVL_REQ);
3786 		if (err)
3787 			goto err_exit;
3788 #ifndef DDR_FAST_INIT
3789 		foreach_vch(ch) {
3790 			if (!(ch_have_this_cs[ddr_csn % 2] & (1U << ch))) {
3791 				rdqdm_clr1(ch, ddr_csn);
3792 				ddrphy_regif_idle();
3793 				continue;
3794 			}
3795 			err = rdqdm_ana1(ch, ddr_csn);
3796 			ddrphy_regif_idle();
3797 			if (err)
3798 				goto err_exit;
3799 		}
3800 #else/* DDR_FAST_INIT */
3801 		foreach_vch(ch) {
3802 			if (ch_have_this_cs[ddr_csn] & (1U << ch)) {
3803 				for (slice = 0; slice < SLICE_CNT; slice++) {
3804 					if (ddr_getval_s(ch, slice,
3805 							 _reg_PHY_RDLVL_STATUS_OBS) !=
3806 					    0x0D00FFFF) {
3807 						err = (1U << ch) |
3808 							(0x10U << slice);
3809 						goto err_exit;
3810 					}
3811 				}
3812 			}
3813 			if (((prr_product == PRR_PRODUCT_H3) &&
3814 			     (prr_cut <= PRR_PRODUCT_11)) ||
3815 			    ((prr_product == PRR_PRODUCT_M3) &&
3816 			     (prr_cut <= PRR_PRODUCT_10))) {
3817 				for (slice = 0; slice < SLICE_CNT; slice++) {
3818 					for (i = 0; i <= 8; i++) {
3819 						if (i == 8)
3820 							adj = _f_scale_adj(board_cnf->ch[ch].dm_adj_r[slice]);
3821 						else
3822 							adj = _f_scale_adj(board_cnf->ch[ch].dq_adj_r[slice * 8 + i]);
3823 						ddr_setval_s(ch, slice, _reg_PHY_PER_CS_TRAINING_INDEX, ddr_csn);
3824 						data_l = ddr_getval_s(ch, slice, _reg_PHY_RDDQS_X_RISE_SLAVE_DELAY[i]) + adj;
3825 						ddr_setval_s(ch, slice, _reg_PHY_RDDQS_X_RISE_SLAVE_DELAY[i], data_l);
3826 						rdqdm_dly[ch][ddr_csn][slice][i] = data_l;
3827 						rdqdm_dly[ch][ddr_csn | 1][slice][i] = data_l;
3828 
3829 						data_l = ddr_getval_s(ch, slice, _reg_PHY_RDDQS_X_FALL_SLAVE_DELAY[i]) + adj;
3830 						ddr_setval_s(ch, slice, _reg_PHY_RDDQS_X_FALL_SLAVE_DELAY[i], data_l);
3831 						rdqdm_dly[ch][ddr_csn][slice + SLICE_CNT][i] = data_l;
3832 						rdqdm_dly[ch][ddr_csn | 1][slice + SLICE_CNT][i] = data_l;
3833 					}
3834 				}
3835 			}
3836 		}
3837 		ddrphy_regif_idle();
3838 
3839 #endif/* DDR_FAST_INIT */
3840 	}
3841 
3842 err_exit:
3843 	return err;
3844 }
3845 
rdqdm_man(void)3846 static uint32_t rdqdm_man(void)
3847 {
3848 	uint32_t err, retry_cnt;
3849 	const uint32_t retry_max = 0x01;
3850 
3851 	ddr_setval_ach_as(_reg_PHY_DQ_TSEL_ENABLE,
3852 			  0x00000004 | ddrtbl_getval(_cnf_DDR_PHY_SLICE_REGSET,
3853 						     _reg_PHY_DQ_TSEL_ENABLE));
3854 	ddr_setval_ach_as(_reg_PHY_DQS_TSEL_ENABLE,
3855 			  0x00000004 | ddrtbl_getval(_cnf_DDR_PHY_SLICE_REGSET,
3856 						     _reg_PHY_DQS_TSEL_ENABLE));
3857 	ddr_setval_ach_as(_reg_PHY_DQ_TSEL_SELECT,
3858 			  0xFF0FFFFF & ddrtbl_getval(_cnf_DDR_PHY_SLICE_REGSET,
3859 						     _reg_PHY_DQ_TSEL_SELECT));
3860 	ddr_setval_ach_as(_reg_PHY_DQS_TSEL_SELECT,
3861 			  0xFF0FFFFF & ddrtbl_getval(_cnf_DDR_PHY_SLICE_REGSET,
3862 						     _reg_PHY_DQS_TSEL_SELECT));
3863 
3864 	retry_cnt = 0;
3865 	do {
3866 		err = rdqdm_man1();
3867 		ddrphy_regif_idle();
3868 	} while (err && (++retry_cnt < retry_max));
3869 	ddr_setval_ach_as(_reg_PHY_DQ_TSEL_ENABLE,
3870 			  ddrtbl_getval(_cnf_DDR_PHY_SLICE_REGSET,
3871 					_reg_PHY_DQ_TSEL_ENABLE));
3872 	ddr_setval_ach_as(_reg_PHY_DQS_TSEL_ENABLE,
3873 			  ddrtbl_getval(_cnf_DDR_PHY_SLICE_REGSET,
3874 					_reg_PHY_DQS_TSEL_ENABLE));
3875 	ddr_setval_ach_as(_reg_PHY_DQ_TSEL_SELECT,
3876 			  ddrtbl_getval(_cnf_DDR_PHY_SLICE_REGSET,
3877 					_reg_PHY_DQ_TSEL_SELECT));
3878 	ddr_setval_ach_as(_reg_PHY_DQS_TSEL_SELECT,
3879 			  ddrtbl_getval(_cnf_DDR_PHY_SLICE_REGSET,
3880 					_reg_PHY_DQS_TSEL_SELECT));
3881 
3882 	return (retry_cnt >= retry_max);
3883 }
3884 
3885 /* rx offset calibration */
_find_change(uint64_t val,uint32_t dir)3886 static int32_t _find_change(uint64_t val, uint32_t dir)
3887 {
3888 	int32_t i;
3889 	uint32_t startval;
3890 	uint32_t curval;
3891 	const int32_t VAL_END = 0x3f;
3892 
3893 	if (dir == 0) {
3894 		startval = (val & 0x01);
3895 		for (i = 1; i <= VAL_END; i++) {
3896 			curval = (val >> i) & 0x01;
3897 			if (curval != startval)
3898 				return i;
3899 		}
3900 		return VAL_END;
3901 	}
3902 
3903 	startval = (val >> dir) & 0x01;
3904 	for (i = dir - 1; i >= 0; i--) {
3905 		curval = (val >> i) & 0x01;
3906 		if (curval != startval)
3907 			return i;
3908 	}
3909 	return 0;
3910 }
3911 
_rx_offset_cal_updn(uint32_t code)3912 static uint32_t _rx_offset_cal_updn(uint32_t code)
3913 {
3914 	const uint32_t CODE_MAX = 0x40;
3915 	uint32_t tmp;
3916 
3917 	if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) {
3918 		if (code == 0)
3919 			tmp = (1U << 6) | (CODE_MAX - 1);
3920 		else if (code <= 0x20)
3921 			tmp =
3922 			    ((CODE_MAX - 1 -
3923 			      (0x20 - code) * 2) << 6) | (CODE_MAX - 1);
3924 		else
3925 			tmp =
3926 			    ((CODE_MAX - 1) << 6) | (CODE_MAX - 1 -
3927 						     (code - 0x20) * 2);
3928 	} else {
3929 		if (code == 0)
3930 			tmp = (1U << 6) | (CODE_MAX - 1);
3931 		else
3932 			tmp = (code << 6) | (CODE_MAX - code);
3933 	}
3934 	return tmp;
3935 }
3936 
rx_offset_cal(void)3937 static uint32_t rx_offset_cal(void)
3938 {
3939 	uint32_t index;
3940 	uint32_t code;
3941 	const uint32_t CODE_MAX = 0x40;
3942 	const uint32_t CODE_STEP = 2;
3943 	uint32_t ch, slice;
3944 	uint32_t tmp;
3945 	uint32_t tmp_ach_as[DRAM_CH_CNT][SLICE_CNT];
3946 	uint64_t val[DRAM_CH_CNT][SLICE_CNT][_reg_PHY_RX_CAL_X_NUM];
3947 	uint64_t tmpval;
3948 	int32_t lsb, msb;
3949 
3950 	ddr_setval_ach_as(_reg_PHY_RX_CAL_OVERRIDE, 0x01);
3951 	foreach_vch(ch) {
3952 		for (slice = 0; slice < SLICE_CNT; slice++) {
3953 			for (index = 0; index < _reg_PHY_RX_CAL_X_NUM; index++)
3954 				val[ch][slice][index] = 0;
3955 		}
3956 	}
3957 
3958 	for (code = 0; code < CODE_MAX / CODE_STEP; code++) {
3959 		tmp = _rx_offset_cal_updn(code * CODE_STEP);
3960 		for (index = 0; index < _reg_PHY_RX_CAL_X_NUM; index++) {
3961 			ddr_setval_ach_as(_reg_PHY_RX_CAL_X[index], tmp);
3962 		}
3963 		dsb_sev();
3964 		ddr_getval_ach_as(_reg_PHY_RX_CAL_OBS, (uint32_t *)tmp_ach_as);
3965 
3966 		foreach_vch(ch) {
3967 			for (slice = 0; slice < SLICE_CNT; slice++) {
3968 				tmp = tmp_ach_as[ch][slice];
3969 				for (index = 0; index < _reg_PHY_RX_CAL_X_NUM;
3970 				     index++) {
3971 					if (tmp & (1U << index)) {
3972 						val[ch][slice][index] |=
3973 						    (1ULL << code);
3974 					} else {
3975 						val[ch][slice][index] &=
3976 						    ~(1ULL << code);
3977 					}
3978 				}
3979 			}
3980 		}
3981 	}
3982 	foreach_vch(ch) {
3983 		for (slice = 0; slice < SLICE_CNT; slice++) {
3984 			for (index = 0; index < _reg_PHY_RX_CAL_X_NUM;
3985 			     index++) {
3986 				tmpval = val[ch][slice][index];
3987 				lsb = _find_change(tmpval, 0);
3988 				msb =
3989 				    _find_change(tmpval,
3990 						 (CODE_MAX / CODE_STEP) - 1);
3991 				tmp = (lsb + msb) >> 1;
3992 
3993 				tmp = _rx_offset_cal_updn(tmp * CODE_STEP);
3994 				ddr_setval_s(ch, slice,
3995 					     _reg_PHY_RX_CAL_X[index], tmp);
3996 			}
3997 		}
3998 	}
3999 	ddr_setval_ach_as(_reg_PHY_RX_CAL_OVERRIDE, 0x00);
4000 
4001 	return 0;
4002 }
4003 
rx_offset_cal_hw(void)4004 static uint32_t rx_offset_cal_hw(void)
4005 {
4006 	uint32_t ch, slice;
4007 	uint32_t retry;
4008 	uint32_t complete;
4009 	uint32_t tmp;
4010 	uint32_t tmp_ach_as[DRAM_CH_CNT][SLICE_CNT];
4011 
4012 	ddr_setval_ach_as(_reg_PHY_RX_CAL_X[9], 0x00);
4013 	ddr_setval_ach_as(_reg_PHY_RX_CAL_OVERRIDE, 0x00);
4014 	ddr_setval_ach_as(_reg_PHY_RX_CAL_SAMPLE_WAIT, 0x0f);
4015 
4016 	retry = 0;
4017 	while (retry < 4096) {
4018 		if ((retry & 0xff) == 0) {
4019 			ddr_setval_ach_as(_reg_SC_PHY_RX_CAL_START, 0x01);
4020 		}
4021 		foreach_vch(ch)
4022 		for (slice = 0; slice < SLICE_CNT; slice++)
4023 			tmp_ach_as[ch][slice] =
4024 			    ddr_getval_s(ch, slice, _reg_PHY_RX_CAL_X[9]);
4025 
4026 		complete = 1;
4027 		foreach_vch(ch) {
4028 			for (slice = 0; slice < SLICE_CNT; slice++) {
4029 				tmp = tmp_ach_as[ch][slice];
4030 				tmp = (tmp & 0x3f) + ((tmp >> 6) & 0x3f);
4031 				if (((prr_product == PRR_PRODUCT_H3) &&
4032 				     (prr_cut > PRR_PRODUCT_11)) ||
4033 				    (prr_product == PRR_PRODUCT_M3N) ||
4034 				    (prr_product == PRR_PRODUCT_V3H)) {
4035 					if (tmp != 0x3E)
4036 						complete = 0;
4037 				} else {
4038 					if (tmp != 0x40)
4039 						complete = 0;
4040 				}
4041 			}
4042 		}
4043 		if (complete)
4044 			break;
4045 
4046 		retry++;
4047 	}
4048 
4049 	return (complete == 0);
4050 }
4051 
4052 /* adjust rddqs latency */
adjust_rddqs_latency(void)4053 static void adjust_rddqs_latency(void)
4054 {
4055 	uint32_t ch, slice;
4056 	uint32_t dly;
4057 	uint32_t maxlatx2;
4058 	uint32_t tmp;
4059 	uint32_t rdlat_adjx2[SLICE_CNT];
4060 
4061 	foreach_vch(ch) {
4062 		maxlatx2 = 0;
4063 		for (slice = 0; slice < SLICE_CNT; slice++) {
4064 			ddr_setval_s(ch, slice, _reg_PHY_PER_CS_TRAINING_INDEX,
4065 				     0x00);
4066 
4067 			dly =
4068 			    ddr_getval_s(ch, slice,
4069 					 _reg_PHY_RDDQS_GATE_SLAVE_DELAY);
4070 			tmp =
4071 			    ddr_getval_s(ch, slice,
4072 					 _reg_PHY_RDDQS_LATENCY_ADJUST);
4073 			/* note gate_slave_delay[9] is always 0 */
4074 			tmp = (tmp << 1) + (dly >> 8);
4075 			rdlat_adjx2[slice] = tmp;
4076 			if (maxlatx2 < tmp)
4077 				maxlatx2 = tmp;
4078 		}
4079 		maxlatx2 = ((maxlatx2 + 1) >> 1) << 1;
4080 		for (slice = 0; slice < SLICE_CNT; slice++) {
4081 			tmp = maxlatx2 - rdlat_adjx2[slice];
4082 			tmp = (tmp >> 1);
4083 			if (tmp) {
4084 				ddr_setval_s(ch, slice, _reg_PHY_RPTR_UPDATE,
4085 					     ddr_getval_s(ch, slice,
4086 							  _reg_PHY_RPTR_UPDATE)
4087 					     + 1);
4088 			}
4089 		}
4090 	}
4091 }
4092 
4093 /* adjust wpath latency */
adjust_wpath_latency(void)4094 static void adjust_wpath_latency(void)
4095 {
4096 	uint32_t ch, cs, slice;
4097 	uint32_t dly;
4098 	uint32_t wpath_add;
4099 	const uint32_t _par_EARLY_THRESHOLD_VAL = 0x180;
4100 
4101 	foreach_vch(ch) {
4102 		for (slice = 0; slice < SLICE_CNT; slice += 1) {
4103 			for (cs = 0; cs < CS_CNT; cs++) {
4104 				ddr_setval_s(ch, slice,
4105 					     _reg_PHY_PER_CS_TRAINING_INDEX,
4106 					     cs);
4107 				ddr_getval_s(ch, slice,
4108 					     _reg_PHY_PER_CS_TRAINING_INDEX);
4109 				dly =
4110 				    ddr_getval_s(ch, slice,
4111 						 _reg_PHY_CLK_WRDQS_SLAVE_DELAY);
4112 				if (dly <= _par_EARLY_THRESHOLD_VAL)
4113 					continue;
4114 
4115 				wpath_add =
4116 				    ddr_getval_s(ch, slice,
4117 						 _reg_PHY_WRITE_PATH_LAT_ADD);
4118 				ddr_setval_s(ch, slice,
4119 					     _reg_PHY_WRITE_PATH_LAT_ADD,
4120 					     wpath_add - 1);
4121 			}
4122 		}
4123 	}
4124 }
4125 
4126 /* DDR Initialize entry */
rcar_dram_init(void)4127 int32_t rcar_dram_init(void)
4128 {
4129 	uint32_t ch, cs;
4130 	uint32_t data_l;
4131 	uint32_t bus_mbps, bus_mbpsdiv;
4132 	uint32_t tmp_tccd;
4133 	uint32_t failcount;
4134 	uint32_t cnf_boardtype;
4135 
4136 	/* Thermal sensor setting */
4137 	data_l = mmio_read_32(CPG_MSTPSR5);
4138 	if (data_l & BIT(22)) {	/*  case THS/TSC Standby */
4139 		data_l &= ~BIT(22);
4140 		cpg_write_32(CPG_SMSTPCR5, data_l);
4141 		while (mmio_read_32(CPG_MSTPSR5) & BIT(22))
4142 			;  /*  wait bit=0 */
4143 	}
4144 
4145 	/* THCTR Bit6: PONM=0 , Bit0: THSST=0   */
4146 	data_l = mmio_read_32(THS1_THCTR) & 0xFFFFFFBE;
4147 	mmio_write_32(THS1_THCTR, data_l);
4148 
4149 	/* Judge product and cut */
4150 #ifdef RCAR_DDR_FIXED_LSI_TYPE
4151 #if (RCAR_LSI == RCAR_AUTO)
4152 	prr_product = mmio_read_32(PRR) & PRR_PRODUCT_MASK;
4153 	prr_cut = mmio_read_32(PRR) & PRR_CUT_MASK;
4154 #else /* RCAR_LSI */
4155 #ifndef RCAR_LSI_CUT
4156 	prr_cut = mmio_read_32(PRR) & PRR_CUT_MASK;
4157 #endif /* RCAR_LSI_CUT */
4158 #endif /* RCAR_LSI */
4159 #else /* RCAR_DDR_FIXED_LSI_TYPE */
4160 	prr_product = mmio_read_32(PRR) & PRR_PRODUCT_MASK;
4161 	prr_cut = mmio_read_32(PRR) & PRR_CUT_MASK;
4162 #endif /* RCAR_DDR_FIXED_LSI_TYPE */
4163 
4164 	if (prr_product == PRR_PRODUCT_H3) {
4165 		if (prr_cut <= PRR_PRODUCT_11) {
4166 			p_ddr_regdef_tbl =
4167 				(const uint32_t *)&DDR_REGDEF_TBL[0][0];
4168 		} else {
4169 			p_ddr_regdef_tbl =
4170 				(const uint32_t *)&DDR_REGDEF_TBL[2][0];
4171 		}
4172 	} else if (prr_product == PRR_PRODUCT_M3) {
4173 		p_ddr_regdef_tbl =
4174 			(const uint32_t *)&DDR_REGDEF_TBL[1][0];
4175 	} else if ((prr_product == PRR_PRODUCT_M3N) ||
4176 		   (prr_product == PRR_PRODUCT_V3H)) {
4177 		p_ddr_regdef_tbl =
4178 			(const uint32_t *)&DDR_REGDEF_TBL[3][0];
4179 	} else {
4180 		FATAL_MSG("BL2: DDR:Unknown Product\n");
4181 		return 0xff;
4182 	}
4183 
4184 	if (((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) ||
4185 	    ((prr_product == PRR_PRODUCT_M3) && (prr_cut < PRR_PRODUCT_30))) {
4186 		/* non : H3 Ver.1.x/M3-W Ver.1.x not support */
4187 	} else {
4188 		mmio_write_32(DBSC_DBSYSCNT0, 0x00001234);
4189 	}
4190 
4191 	/* Judge board type */
4192 	cnf_boardtype = boardcnf_get_brd_type();
4193 	if (cnf_boardtype >= BOARDNUM) {
4194 		FATAL_MSG("BL2: DDR:Unknown Board\n");
4195 		return 0xff;
4196 	}
4197 	board_cnf = (const struct _boardcnf *)&boardcnfs[cnf_boardtype];
4198 
4199 /* RCAR_DRAM_SPLIT_2CH           (2U) */
4200 #if RCAR_DRAM_SPLIT == 2
4201 	/* H3(Test for future H3-N): Swap ch2 and ch1 for 2ch-split */
4202 	if ((prr_product == PRR_PRODUCT_H3) && (board_cnf->phyvalid == 0x05)) {
4203 		mmio_write_32(DBSC_DBMEMSWAPCONF0, 0x00000006);
4204 		ddr_phyvalid = 0x03;
4205 	} else {
4206 		ddr_phyvalid = board_cnf->phyvalid;
4207 	}
4208 #else /* RCAR_DRAM_SPLIT_2CH */
4209 	ddr_phyvalid = board_cnf->phyvalid;
4210 #endif /* RCAR_DRAM_SPLIT_2CH */
4211 
4212 	max_density = 0;
4213 
4214 	for (cs = 0; cs < CS_CNT; cs++) {
4215 		ch_have_this_cs[cs] = 0;
4216 	}
4217 
4218 	foreach_ech(ch)
4219 	for (cs = 0; cs < CS_CNT; cs++)
4220 		ddr_density[ch][cs] = 0xff;
4221 
4222 	foreach_vch(ch) {
4223 		for (cs = 0; cs < CS_CNT; cs++) {
4224 			data_l = board_cnf->ch[ch].ddr_density[cs];
4225 			ddr_density[ch][cs] = data_l;
4226 
4227 			if (data_l == 0xff)
4228 				continue;
4229 			if (data_l > max_density)
4230 				max_density = data_l;
4231 			if ((cs == 1) && (prr_product == PRR_PRODUCT_H3) &&
4232 			    (prr_cut <= PRR_PRODUCT_11))
4233 				continue;
4234 			ch_have_this_cs[cs] |= (1U << ch);
4235 		}
4236 	}
4237 
4238 	/* Judge board clock frequency (in MHz) */
4239 	boardcnf_get_brd_clk(cnf_boardtype, &brd_clk, &brd_clkdiv);
4240 	if ((brd_clk / brd_clkdiv) > 25) {
4241 		brd_clkdiva = 1;
4242 	} else {
4243 		brd_clkdiva = 0;
4244 	}
4245 
4246 	/* Judge ddr operating frequency clock(in Mbps) */
4247 	boardcnf_get_ddr_mbps(cnf_boardtype, &ddr_mbps, &ddr_mbpsdiv);
4248 
4249 	ddr0800_mul = CLK_DIV(800, 2, brd_clk, brd_clkdiv * (brd_clkdiva + 1));
4250 
4251 	ddr_mul = CLK_DIV(ddr_mbps, ddr_mbpsdiv * 2, brd_clk,
4252 			  brd_clkdiv * (brd_clkdiva + 1));
4253 
4254 	/* Adjust tccd */
4255 	data_l = (0x00006000 & mmio_read_32(RST_MODEMR)) >> 13;
4256 	bus_mbps = 0;
4257 	bus_mbpsdiv = 0;
4258 	switch (data_l) {
4259 	case 0:
4260 		bus_mbps = brd_clk * 0x60 * 2;
4261 		bus_mbpsdiv = brd_clkdiv * 1;
4262 		break;
4263 	case 1:
4264 		bus_mbps = brd_clk * 0x50 * 2;
4265 		bus_mbpsdiv = brd_clkdiv * 1;
4266 		break;
4267 	case 2:
4268 		bus_mbps = brd_clk * 0x40 * 2;
4269 		bus_mbpsdiv = brd_clkdiv * 1;
4270 		break;
4271 	case 3:
4272 		bus_mbps = brd_clk * 0x60 * 2;
4273 		bus_mbpsdiv = brd_clkdiv * 2;
4274 		break;
4275 	default:
4276 		bus_mbps = brd_clk * 0x60 * 2;
4277 		bus_mbpsdiv = brd_clkdiv * 2;
4278 		break;
4279 	}
4280 	tmp_tccd = CLK_DIV(ddr_mbps * 8, ddr_mbpsdiv, bus_mbps, bus_mbpsdiv);
4281 	if (8 * ddr_mbps * bus_mbpsdiv != tmp_tccd * bus_mbps * ddr_mbpsdiv)
4282 		tmp_tccd = tmp_tccd + 1;
4283 
4284 	if (tmp_tccd < 8)
4285 		ddr_tccd = 8;
4286 	else
4287 		ddr_tccd = tmp_tccd;
4288 
4289 	NOTICE("BL2: DDR%d(%s)\n", ddr_mbps / ddr_mbpsdiv, RCAR_DDR_VERSION);
4290 
4291 	MSG_LF("Start\n");
4292 
4293 	/* PLL Setting */
4294 	pll3_control(1);
4295 
4296 	/* initialize DDR */
4297 	data_l = init_ddr();
4298 	if (data_l == ddr_phyvalid) {
4299 		failcount = 0;
4300 	} else {
4301 		failcount = 1;
4302 	}
4303 
4304 	foreach_vch(ch)
4305 	    mmio_write_32(DBSC_DBPDLK(ch), 0x00000000);
4306 	if (((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) ||
4307 	    ((prr_product == PRR_PRODUCT_M3) && (prr_cut < PRR_PRODUCT_30))) {
4308 		/* non : H3 Ver.1.x/M3-W Ver.1.x not support */
4309 	} else {
4310 		mmio_write_32(DBSC_DBSYSCNT0, 0x00000000);
4311 	}
4312 
4313 	if (failcount == 0) {
4314 		return INITDRAM_OK;
4315 	} else {
4316 		return INITDRAM_NG;
4317 	}
4318 }
4319 
pvtcode_update(void)4320 void pvtcode_update(void)
4321 {
4322 	uint32_t ch;
4323 	uint32_t data_l;
4324 	uint32_t pvtp[4], pvtn[4], pvtp_init, pvtn_init;
4325 	int32_t pvtp_tmp, pvtn_tmp;
4326 
4327 	foreach_vch(ch) {
4328 		pvtn_init = (tcal.tcomp_cal[ch] & 0xFC0) >> 6;
4329 		pvtp_init = (tcal.tcomp_cal[ch] & 0x03F) >> 0;
4330 
4331 		if (8912 * pvtp_init > 44230) {
4332 			pvtp_tmp = (5000 + 8912 * pvtp_init - 44230) / 10000;
4333 		} else {
4334 			pvtp_tmp =
4335 			    -((-(5000 + 8912 * pvtp_init - 44230)) / 10000);
4336 		}
4337 		pvtn_tmp = (5000 + 5776 * pvtn_init + 30280) / 10000;
4338 
4339 		pvtn[ch] = pvtn_tmp + pvtn_init;
4340 		pvtp[ch] = pvtp_tmp + pvtp_init;
4341 
4342 		if (pvtn[ch] > 63) {
4343 			pvtn[ch] = 63;
4344 			pvtp[ch] =
4345 			    (pvtp_tmp) * (63 - 6 * pvtn_tmp -
4346 					  pvtn_init) / (pvtn_tmp) +
4347 			    6 * pvtp_tmp + pvtp_init;
4348 		}
4349 		if ((prr_product == PRR_PRODUCT_H3) &&
4350 		    (prr_cut <= PRR_PRODUCT_11)) {
4351 			data_l = pvtp[ch] | (pvtn[ch] << 6) |
4352 				 (tcal.tcomp_cal[ch] & 0xfffff000);
4353 			reg_ddrphy_write(ch,
4354 					 ddr_regdef_adr(_reg_PHY_PAD_FDBK_TERM),
4355 					 data_l | 0x00020000);
4356 			reg_ddrphy_write(ch,
4357 					 ddr_regdef_adr(_reg_PHY_PAD_DATA_TERM),
4358 					 data_l);
4359 			reg_ddrphy_write(ch,
4360 					 ddr_regdef_adr(_reg_PHY_PAD_DQS_TERM),
4361 					 data_l);
4362 			reg_ddrphy_write(ch,
4363 					 ddr_regdef_adr(_reg_PHY_PAD_ADDR_TERM),
4364 					 data_l);
4365 			reg_ddrphy_write(ch,
4366 					 ddr_regdef_adr(_reg_PHY_PAD_CS_TERM),
4367 					 data_l);
4368 		} else {
4369 			data_l = pvtp[ch] | (pvtn[ch] << 6) | 0x00015000;
4370 			reg_ddrphy_write(ch,
4371 					 ddr_regdef_adr(_reg_PHY_PAD_FDBK_TERM),
4372 					 data_l | 0x00020000);
4373 			reg_ddrphy_write(ch,
4374 					 ddr_regdef_adr(_reg_PHY_PAD_DATA_TERM),
4375 					 data_l);
4376 			reg_ddrphy_write(ch,
4377 					 ddr_regdef_adr(_reg_PHY_PAD_DQS_TERM),
4378 					 data_l);
4379 			reg_ddrphy_write(ch,
4380 					 ddr_regdef_adr(_reg_PHY_PAD_ADDR_TERM),
4381 					 data_l);
4382 			reg_ddrphy_write(ch,
4383 					 ddr_regdef_adr(_reg_PHY_PAD_CS_TERM),
4384 					 data_l);
4385 		}
4386 	}
4387 }
4388 
pvtcode_update2(void)4389 void pvtcode_update2(void)
4390 {
4391 	uint32_t ch;
4392 
4393 	foreach_vch(ch) {
4394 		reg_ddrphy_write(ch, ddr_regdef_adr(_reg_PHY_PAD_FDBK_TERM),
4395 				 tcal.init_cal[ch] | 0x00020000);
4396 		reg_ddrphy_write(ch, ddr_regdef_adr(_reg_PHY_PAD_DATA_TERM),
4397 				 tcal.init_cal[ch]);
4398 		reg_ddrphy_write(ch, ddr_regdef_adr(_reg_PHY_PAD_DQS_TERM),
4399 				 tcal.init_cal[ch]);
4400 		reg_ddrphy_write(ch, ddr_regdef_adr(_reg_PHY_PAD_ADDR_TERM),
4401 				 tcal.init_cal[ch]);
4402 		reg_ddrphy_write(ch, ddr_regdef_adr(_reg_PHY_PAD_CS_TERM),
4403 				 tcal.init_cal[ch]);
4404 	}
4405 }
4406 
ddr_padcal_tcompensate_getinit(uint32_t override)4407 void ddr_padcal_tcompensate_getinit(uint32_t override)
4408 {
4409 	uint32_t ch;
4410 	uint32_t data_l;
4411 	uint32_t pvtp, pvtn;
4412 
4413 	tcal.init_temp = 0;
4414 	for (ch = 0; ch < 4; ch++) {
4415 		tcal.init_cal[ch] = 0;
4416 		tcal.tcomp_cal[ch] = 0;
4417 	}
4418 
4419 	foreach_vch(ch) {
4420 		tcal.init_cal[ch] = ddr_getval(ch, _reg_PHY_PAD_TERM_X[1]);
4421 		tcal.tcomp_cal[ch] = ddr_getval(ch, _reg_PHY_PAD_TERM_X[1]);
4422 	}
4423 
4424 	if (!override) {
4425 		data_l = mmio_read_32(THS1_TEMP);
4426 		if (data_l < 2800) {
4427 			tcal.init_temp =
4428 			    (143 * (int32_t)data_l - 359000) / 1000;
4429 		} else {
4430 			tcal.init_temp =
4431 			    (121 * (int32_t)data_l - 296300) / 1000;
4432 		}
4433 
4434 		foreach_vch(ch) {
4435 			pvtp = (tcal.init_cal[ch] >> 0) & 0x000003F;
4436 			pvtn = (tcal.init_cal[ch] >> 6) & 0x000003F;
4437 			if ((int32_t)pvtp >
4438 			    ((tcal.init_temp * 29 - 3625) / 1000))
4439 				pvtp =
4440 				    (int32_t)pvtp +
4441 				    ((3625 - tcal.init_temp * 29) / 1000);
4442 			else
4443 				pvtp = 0;
4444 
4445 			if ((int32_t)pvtn >
4446 			    ((tcal.init_temp * 54 - 6750) / 1000))
4447 				pvtn =
4448 				    (int32_t)pvtn +
4449 				    ((6750 - tcal.init_temp * 54) / 1000);
4450 			else
4451 				pvtn = 0;
4452 
4453 			if ((prr_product == PRR_PRODUCT_H3) &&
4454 			    (prr_cut <= PRR_PRODUCT_11)) {
4455 				tcal.init_cal[ch] =
4456 				    (tcal.init_cal[ch] & 0xfffff000) |
4457 				    (pvtn << 6) |
4458 				    pvtp;
4459 			} else {
4460 				tcal.init_cal[ch] =
4461 				    0x00015000 | (pvtn << 6) | pvtp;
4462 			}
4463 		}
4464 		tcal.init_temp = 125;
4465 	}
4466 }
4467 
4468 #ifndef ddr_qos_init_setting
4469 /* For QoS init */
get_boardcnf_phyvalid(void)4470 uint8_t get_boardcnf_phyvalid(void)
4471 {
4472 	return ddr_phyvalid;
4473 }
4474 #endif /* ddr_qos_init_setting */
4475