1 /*
2  * Copyright 2009-2013 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <command.h>
9 #include <i2c.h>
10 #include <netdev.h>
11 #include <linux/compiler.h>
12 #include <asm/mmu.h>
13 #include <asm/processor.h>
14 #include <asm/immap_85xx.h>
15 #include <asm/fsl_law.h>
16 #include <asm/fsl_serdes.h>
17 #include <asm/fsl_liodn.h>
18 #include <fm_eth.h>
19 
20 #include "../common/qixis.h"
21 #include "../common/vsc3316_3308.h"
22 #include "../common/vid.h"
23 #include "t208xqds.h"
24 #include "t208xqds_qixis.h"
25 
26 DECLARE_GLOBAL_DATA_PTR;
27 
28 int checkboard(void)
29 {
30 	char buf[64];
31 	u8 sw;
32 	struct cpu_type *cpu = gd->arch.cpu;
33 	static const char *freq[4] = {
34 		"100.00MHZ(from 8T49N222A)", "125.00MHz",
35 		"156.25MHZ", "100.00MHz"
36 	};
37 
38 	printf("Board: %sQDS, ", cpu->name);
39 	sw = QIXIS_READ(arch);
40 	printf("Sys ID: 0x%02x, Board Arch: V%d, ", QIXIS_READ(id), sw >> 4);
41 	printf("Board Version: %c, boot from ", (sw & 0xf) + 'A' - 1);
42 
43 #ifdef CONFIG_SDCARD
44 	puts("SD/MMC\n");
45 #elif CONFIG_SPIFLASH
46 	puts("SPI\n");
47 #else
48 	sw = QIXIS_READ(brdcfg[0]);
49 	sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
50 
51 	if (sw < 0x8)
52 		printf("vBank%d\n", sw);
53 	else if (sw == 0x8)
54 		puts("Promjet\n");
55 	else if (sw == 0x9)
56 		puts("NAND\n");
57 	else
58 		printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
59 #endif
60 
61 	printf("FPGA: v%d (%s), build %d", (int)QIXIS_READ(scver),
62 	       qixis_read_tag(buf), (int)qixis_read_minor());
63 	/* the timestamp string contains "\n" at the end */
64 	printf(" on %s", qixis_read_time(buf));
65 
66 	puts("SERDES Reference Clocks:\n");
67 	sw = QIXIS_READ(brdcfg[2]);
68 	printf("SD1_CLK1=%s, SD1_CLK2=%s\n", freq[sw >> 6],
69 	       freq[(sw >> 4) & 0x3]);
70 	printf("SD2_CLK1=%s, SD2_CLK2=%s\n", freq[(sw & 0xf) >> 2],
71 	       freq[sw & 0x3]);
72 
73 	return 0;
74 }
75 
76 int select_i2c_ch_pca9547(u8 ch)
77 {
78 	int ret;
79 
80 	ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
81 	if (ret) {
82 		puts("PCA: failed to select proper channel\n");
83 		return ret;
84 	}
85 
86 	return 0;
87 }
88 
89 int i2c_multiplexer_select_vid_channel(u8 channel)
90 {
91 	return select_i2c_ch_pca9547(channel);
92 }
93 
94 int brd_mux_lane_to_slot(void)
95 {
96 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
97 	u32 srds_prtcl_s1;
98 
99 	srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
100 				FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
101 	srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
102 #if defined(CONFIG_TARGET_T2080QDS)
103 	u32 srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
104 				FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
105 	srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
106 #endif
107 
108 	switch (srds_prtcl_s1) {
109 	case 0:
110 		/* SerDes1 is not enabled */
111 		break;
112 #if defined(CONFIG_TARGET_T2080QDS)
113 	case 0x1b:
114 	case 0x1c:
115 	case 0xa2:
116 		/* SD1(A:D) => SLOT3 SGMII
117 		 * SD1(G:H) => SLOT1 SGMII
118 		 */
119 		QIXIS_WRITE(brdcfg[12], 0x1a);
120 		break;
121 	case 0x94:
122 	case 0x95:
123 		/* SD1(A:B) => SLOT3 SGMII@1.25bps
124 		 * SD1(C:D) => SFP Module, SGMII@3.125bps
125 		 * SD1(E:H) => SLOT1 SGMII@1.25bps
126 		 */
127 	case 0x96:
128 		/* SD1(A:B) => SLOT3 SGMII@1.25bps
129 		 * SD1(C)   => SFP Module, SGMII@3.125bps
130 		 * SD1(D)   => SFP Module, SGMII@1.25bps
131 		 * SD1(E:H) => SLOT1 PCIe4 x4
132 		 */
133 		QIXIS_WRITE(brdcfg[12], 0x3a);
134 		break;
135 	case 0x50:
136 	case 0x51:
137 		/* SD1(A:D) => SLOT3 XAUI
138 		 * SD1(E)   => SLOT1 PCIe4
139 		 * SD1(F:H) => SLOT2 SGMII
140 		 */
141 		QIXIS_WRITE(brdcfg[12], 0x15);
142 		break;
143 	case 0x66:
144 	case 0x67:
145 		/* SD1(A:D) => XFI cage
146 		 * SD1(E:H) => SLOT1 PCIe4
147 		 */
148 		QIXIS_WRITE(brdcfg[12], 0xfe);
149 		break;
150 	case 0x6a:
151 	case 0x6b:
152 		/* SD1(A:D) => XFI cage
153 		 * SD1(E)   => SLOT1 PCIe4
154 		 * SD1(F:H) => SLOT2 SGMII
155 		 */
156 		QIXIS_WRITE(brdcfg[12], 0xf1);
157 		break;
158 	case 0x6c:
159 	case 0x6d:
160 		/* SD1(A:B) => XFI cage
161 		 * SD1(C:D) => SLOT3 SGMII
162 		 * SD1(E:H) => SLOT1 PCIe4
163 		 */
164 		QIXIS_WRITE(brdcfg[12], 0xda);
165 		break;
166 	case 0x6e:
167 		/* SD1(A:B) => SFP Module, XFI
168 		 * SD1(C:D) => SLOT3 SGMII
169 		 * SD1(E:F) => SLOT1 PCIe4 x2
170 		 * SD1(G:H) => SLOT2 SGMII
171 		 */
172 		QIXIS_WRITE(brdcfg[12], 0xd9);
173 		break;
174 	case 0xda:
175 		/* SD1(A:H) => SLOT3 PCIe3 x8
176 		 */
177 		 QIXIS_WRITE(brdcfg[12], 0x0);
178 		 break;
179 	case 0xc8:
180 		/* SD1(A)   => SLOT3 PCIe3 x1
181 		 * SD1(B)   => SFP Module, SGMII@1.25bps
182 		 * SD1(C:D) => SFP Module, SGMII@3.125bps
183 		 * SD1(E:F) => SLOT1 PCIe4 x2
184 		 * SD1(G:H) => SLOT2 SGMII
185 		 */
186 		 QIXIS_WRITE(brdcfg[12], 0x79);
187 		 break;
188 	case 0xab:
189 		/* SD1(A:D) => SLOT3 PCIe3 x4
190 		 * SD1(E:H) => SLOT1 PCIe4 x4
191 		 */
192 		 QIXIS_WRITE(brdcfg[12], 0x1a);
193 		 break;
194 #elif defined(CONFIG_TARGET_T2081QDS)
195 	case 0x50:
196 	case 0x51:
197 		/* SD1(A:D) => SLOT2 XAUI
198 		 * SD1(E)   => SLOT1 PCIe4 x1
199 		 * SD1(F:H) => SLOT3 SGMII
200 		 */
201 		QIXIS_WRITE(brdcfg[12], 0x98);
202 		QIXIS_WRITE(brdcfg[13], 0x70);
203 		break;
204 	case 0x6a:
205 	case 0x6b:
206 		/* SD1(A:D) => XFI SFP Module
207 		 * SD1(E)   => SLOT1 PCIe4 x1
208 		 * SD1(F:H) => SLOT3 SGMII
209 		 */
210 		QIXIS_WRITE(brdcfg[12], 0x80);
211 		QIXIS_WRITE(brdcfg[13], 0x70);
212 		break;
213 	case 0x6c:
214 	case 0x6d:
215 		/* SD1(A:B) => XFI SFP Module
216 		 * SD1(C:D) => SLOT2 SGMII
217 		 * SD1(E:H) => SLOT1 PCIe4 x4
218 		 */
219 		QIXIS_WRITE(brdcfg[12], 0xe8);
220 		QIXIS_WRITE(brdcfg[13], 0x0);
221 		break;
222 	case 0xaa:
223 	case 0xab:
224 		/* SD1(A:D) => SLOT2 PCIe3 x4
225 		 * SD1(F:H) => SLOT1 SGMI4 x4
226 		 */
227 		QIXIS_WRITE(brdcfg[12], 0xf8);
228 		QIXIS_WRITE(brdcfg[13], 0x0);
229 		break;
230 	case 0xca:
231 	case 0xcb:
232 		/* SD1(A)   => SLOT2 PCIe3 x1
233 		 * SD1(B)   => SLOT7 SGMII
234 		 * SD1(C)   => SLOT6 SGMII
235 		 * SD1(D)   => SLOT5 SGMII
236 		 * SD1(E)   => SLOT1 PCIe4 x1
237 		 * SD1(F:H) => SLOT3 SGMII
238 		 */
239 		QIXIS_WRITE(brdcfg[12], 0x80);
240 		QIXIS_WRITE(brdcfg[13], 0x70);
241 		break;
242 	case 0xde:
243 	case 0xdf:
244 		/* SD1(A:D) => SLOT2 PCIe3 x4
245 		 * SD1(E)   => SLOT1 PCIe4 x1
246 		 * SD1(F)   => SLOT4 PCIe1 x1
247 		 * SD1(G)   => SLOT3 PCIe2 x1
248 		 * SD1(H)   => SLOT7 SGMII
249 		 */
250 		QIXIS_WRITE(brdcfg[12], 0x98);
251 		QIXIS_WRITE(brdcfg[13], 0x25);
252 		break;
253 	case 0xf2:
254 		/* SD1(A)   => SLOT2 PCIe3 x1
255 		 * SD1(B:D) => SLOT7 SGMII
256 		 * SD1(E)   => SLOT1 PCIe4 x1
257 		 * SD1(F)   => SLOT4 PCIe1 x1
258 		 * SD1(G)   => SLOT3 PCIe2 x1
259 		 * SD1(H)   => SLOT7 SGMII
260 		 */
261 		QIXIS_WRITE(brdcfg[12], 0x81);
262 		QIXIS_WRITE(brdcfg[13], 0xa5);
263 		break;
264 #endif
265 	default:
266 		printf("WARNING: unsupported for SerDes1 Protocol %d\n",
267 		       srds_prtcl_s1);
268 		return -1;
269 	}
270 
271 #ifdef CONFIG_TARGET_T2080QDS
272 	switch (srds_prtcl_s2) {
273 	case 0:
274 		/* SerDes2 is not enabled */
275 		break;
276 	case 0x01:
277 	case 0x02:
278 		/* SD2(A:H) => SLOT4 PCIe1 */
279 		QIXIS_WRITE(brdcfg[13], 0x10);
280 		break;
281 	case 0x15:
282 	case 0x16:
283 		/*
284 		 * SD2(A:D) => SLOT4 PCIe1
285 		 * SD2(E:F) => SLOT5 PCIe2
286 		 * SD2(G:H) => SATA1,SATA2
287 		 */
288 		QIXIS_WRITE(brdcfg[13], 0xb0);
289 		break;
290 	case 0x18:
291 		/*
292 		 * SD2(A:D) => SLOT4 PCIe1
293 		 * SD2(E:F) => SLOT5 Aurora
294 		 * SD2(G:H) => SATA1,SATA2
295 		 */
296 		QIXIS_WRITE(brdcfg[13], 0x78);
297 		break;
298 	case 0x1f:
299 		/*
300 		 * SD2(A:D) => SLOT4 PCIe1
301 		 * SD2(E:H) => SLOT5 PCIe2
302 		 */
303 		QIXIS_WRITE(brdcfg[13], 0xa0);
304 		break;
305 	case 0x29:
306 	case 0x2d:
307 	case 0x2e:
308 		/*
309 		 * SD2(A:D) => SLOT4 SRIO2
310 		 * SD2(E:H) => SLOT5 SRIO1
311 		 */
312 		QIXIS_WRITE(brdcfg[13], 0xa0);
313 		break;
314 	case 0x36:
315 		/*
316 		 * SD2(A:D) => SLOT4 SRIO2
317 		 * SD2(E:F) => Aurora
318 		 * SD2(G:H) => SATA1,SATA2
319 		 */
320 		QIXIS_WRITE(brdcfg[13], 0x78);
321 		break;
322 	default:
323 		printf("WARNING: unsupported for SerDes2 Protocol %d\n",
324 		       srds_prtcl_s2);
325 		return -1;
326 	}
327 #endif
328 	return 0;
329 }
330 
331 int board_early_init_r(void)
332 {
333 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
334 	int flash_esel = find_tlb_idx((void *)flashbase, 1);
335 
336 	/*
337 	 * Remap Boot flash + PROMJET region to caching-inhibited
338 	 * so that flash can be erased properly.
339 	 */
340 
341 	/* Flush d-cache and invalidate i-cache of any FLASH data */
342 	flush_dcache();
343 	invalidate_icache();
344 
345 	if (flash_esel == -1) {
346 		/* very unlikely unless something is messed up */
347 		puts("Error: Could not find TLB for FLASH BASE\n");
348 		flash_esel = 2;	/* give our best effort to continue */
349 	} else {
350 		/* invalidate existing TLB entry for flash + promjet */
351 		disable_tlb(flash_esel);
352 	}
353 
354 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
355 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
356 		0, flash_esel, BOOKE_PAGESZ_256M, 1);
357 
358 	/* Disable remote I2C connection to qixis fpga */
359 	QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE);
360 
361 	/*
362 	 * Adjust core voltage according to voltage ID
363 	 * This function changes I2C mux to channel 2.
364 	 */
365 	if (adjust_vdd(0))
366 		printf("Warning: Adjusting core voltage failed.\n");
367 
368 	brd_mux_lane_to_slot();
369 	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
370 
371 	return 0;
372 }
373 
374 unsigned long get_board_sys_clk(void)
375 {
376 	u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
377 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
378 	/* use accurate clock measurement */
379 	int freq = QIXIS_READ(clk_freq[0]) << 8 | QIXIS_READ(clk_freq[1]);
380 	int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
381 	u32 val;
382 
383 	val =  freq * base;
384 	if (val) {
385 		debug("SYS Clock measurement is: %d\n", val);
386 		return val;
387 	} else {
388 		printf("Warning: SYS clock measurement is invalid, ");
389 		printf("using value from brdcfg1.\n");
390 	}
391 #endif
392 
393 	switch (sysclk_conf & 0x0F) {
394 	case QIXIS_SYSCLK_83:
395 		return 83333333;
396 	case QIXIS_SYSCLK_100:
397 		return 100000000;
398 	case QIXIS_SYSCLK_125:
399 		return 125000000;
400 	case QIXIS_SYSCLK_133:
401 		return 133333333;
402 	case QIXIS_SYSCLK_150:
403 		return 150000000;
404 	case QIXIS_SYSCLK_160:
405 		return 160000000;
406 	case QIXIS_SYSCLK_166:
407 		return 166666666;
408 	}
409 	return 66666666;
410 }
411 
412 unsigned long get_board_ddr_clk(void)
413 {
414 	u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
415 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
416 	/* use accurate clock measurement */
417 	int freq = QIXIS_READ(clk_freq[2]) << 8 | QIXIS_READ(clk_freq[3]);
418 	int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
419 	u32 val;
420 
421 	val =  freq * base;
422 	if (val) {
423 		debug("DDR Clock measurement is: %d\n", val);
424 		return val;
425 	} else {
426 		printf("Warning: DDR clock measurement is invalid, ");
427 		printf("using value from brdcfg1.\n");
428 	}
429 #endif
430 
431 	switch ((ddrclk_conf & 0x30) >> 4) {
432 	case QIXIS_DDRCLK_100:
433 		return 100000000;
434 	case QIXIS_DDRCLK_125:
435 		return 125000000;
436 	case QIXIS_DDRCLK_133:
437 		return 133333333;
438 	}
439 	return 66666666;
440 }
441 
442 int misc_init_r(void)
443 {
444 	return 0;
445 }
446 
447 int ft_board_setup(void *blob, bd_t *bd)
448 {
449 	phys_addr_t base;
450 	phys_size_t size;
451 
452 	ft_cpu_setup(blob, bd);
453 
454 	base = getenv_bootm_low();
455 	size = getenv_bootm_size();
456 
457 	fdt_fixup_memory(blob, (u64)base, (u64)size);
458 
459 #ifdef CONFIG_PCI
460 	pci_of_setup(blob, bd);
461 #endif
462 
463 	fdt_fixup_liodn(blob);
464 	fsl_fdt_fixup_dr_usb(blob, bd);
465 
466 #ifdef CONFIG_SYS_DPAA_FMAN
467 	fdt_fixup_fman_ethernet(blob);
468 	fdt_fixup_board_enet(blob);
469 #endif
470 
471 	return 0;
472 }
473