1 /*
2  * Copyright (C) 2017 NXP Semiconductors
3  * Copyright 2015 Freescale Semiconductor
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 #include <common.h>
8 #include <malloc.h>
9 #include <errno.h>
10 #include <netdev.h>
11 #include <fsl_ifc.h>
12 #include <fsl_ddr.h>
13 #include <asm/io.h>
14 #include <hwconfig.h>
15 #include <fdt_support.h>
16 #include <libfdt.h>
17 #include <fsl-mc/fsl_mc.h>
18 #include <environment.h>
19 #include <efi_loader.h>
20 #include <i2c.h>
21 #include <asm/arch/mmu.h>
22 #include <asm/arch/soc.h>
23 #include <asm/arch/ppa.h>
24 #include <fsl_sec.h>
25 
26 #ifdef CONFIG_FSL_QIXIS
27 #include "../common/qixis.h"
28 #include "ls2080ardb_qixis.h"
29 #endif
30 #include "../common/vid.h"
31 
32 #define PIN_MUX_SEL_SDHC	0x00
33 #define PIN_MUX_SEL_DSPI	0x0a
34 
35 #define SET_SDHC_MUX_SEL(reg, value)	((reg & 0xf0) | value)
36 DECLARE_GLOBAL_DATA_PTR;
37 
38 enum {
39 	MUX_TYPE_SDHC,
40 	MUX_TYPE_DSPI,
41 };
42 
43 unsigned long long get_qixis_addr(void)
44 {
45 	unsigned long long addr;
46 
47 	if (gd->flags & GD_FLG_RELOC)
48 		addr = QIXIS_BASE_PHYS;
49 	else
50 		addr = QIXIS_BASE_PHYS_EARLY;
51 
52 	/*
53 	 * IFC address under 256MB is mapped to 0x30000000, any address above
54 	 * is mapped to 0x5_10000000 up to 4GB.
55 	 */
56 	addr = addr  > 0x10000000 ? addr + 0x500000000ULL : addr + 0x30000000;
57 
58 	return addr;
59 }
60 
61 int checkboard(void)
62 {
63 #ifdef CONFIG_FSL_QIXIS
64 	u8 sw;
65 #endif
66 	char buf[15];
67 
68 	cpu_name(buf);
69 	printf("Board: %s-RDB, ", buf);
70 
71 #ifdef CONFIG_TARGET_LS2081ARDB
72 #ifdef CONFIG_FSL_QIXIS
73 	sw = QIXIS_READ(arch);
74 	printf("Board Arch: V%d, ", sw >> 4);
75 	printf("Board version: %c, ", (sw & 0xf) + 'A');
76 
77 	sw = QIXIS_READ(brdcfg[0]);
78 	sw = (sw & QIXIS_QMAP_MASK) >> QIXIS_QMAP_SHIFT;
79 	switch (sw) {
80 	case 0:
81 		puts("boot from QSPI DEV#0\n");
82 		puts("QSPI_CSA_1 mapped to QSPI DEV#1\n");
83 		break;
84 	case 1:
85 		puts("boot from QSPI DEV#1\n");
86 		puts("QSPI_CSA_1 mapped to QSPI DEV#0\n");
87 		break;
88 	case 2:
89 		puts("boot from QSPI EMU\n");
90 		puts("QSPI_CSA_1 mapped to QSPI DEV#0\n");
91 		break;
92 	case 3:
93 		puts("boot from QSPI EMU\n");
94 		puts("QSPI_CSA_1 mapped to QSPI DEV#1\n");
95 		break;
96 	case 4:
97 		puts("boot from QSPI DEV#0\n");
98 		puts("QSPI_CSA_1 mapped to QSPI EMU\n");
99 		break;
100 	default:
101 		printf("invalid setting of SW%u\n", sw);
102 		break;
103 	}
104 #endif
105 	puts("SERDES1 Reference : ");
106 	printf("Clock1 = 100MHz ");
107 	printf("Clock2 = 161.13MHz");
108 #else
109 #ifdef CONFIG_FSL_QIXIS
110 	sw = QIXIS_READ(arch);
111 	printf("Board Arch: V%d, ", sw >> 4);
112 	printf("Board version: %c, boot from ", (sw & 0xf) + 'A');
113 
114 	sw = QIXIS_READ(brdcfg[0]);
115 	sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
116 
117 	if (sw < 0x8)
118 		printf("vBank: %d\n", sw);
119 	else if (sw == 0x9)
120 		puts("NAND\n");
121 	else
122 		printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
123 
124 	printf("FPGA: v%d.%d\n", QIXIS_READ(scver), QIXIS_READ(tagdata));
125 #endif
126 	puts("SERDES1 Reference : ");
127 	printf("Clock1 = 156.25MHz ");
128 	printf("Clock2 = 156.25MHz");
129 #endif
130 
131 	puts("\nSERDES2 Reference : ");
132 	printf("Clock1 = 100MHz ");
133 	printf("Clock2 = 100MHz\n");
134 
135 	return 0;
136 }
137 
138 unsigned long get_board_sys_clk(void)
139 {
140 #ifdef CONFIG_FSL_QIXIS
141 	u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
142 
143 	switch (sysclk_conf & 0x0F) {
144 	case QIXIS_SYSCLK_83:
145 		return 83333333;
146 	case QIXIS_SYSCLK_100:
147 		return 100000000;
148 	case QIXIS_SYSCLK_125:
149 		return 125000000;
150 	case QIXIS_SYSCLK_133:
151 		return 133333333;
152 	case QIXIS_SYSCLK_150:
153 		return 150000000;
154 	case QIXIS_SYSCLK_160:
155 		return 160000000;
156 	case QIXIS_SYSCLK_166:
157 		return 166666666;
158 	}
159 #endif
160 	return 100000000;
161 }
162 
163 int select_i2c_ch_pca9547(u8 ch)
164 {
165 	int ret;
166 
167 	ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
168 	if (ret) {
169 		puts("PCA: failed to select proper channel\n");
170 		return ret;
171 	}
172 
173 	return 0;
174 }
175 
176 int i2c_multiplexer_select_vid_channel(u8 channel)
177 {
178 	return select_i2c_ch_pca9547(channel);
179 }
180 
181 int config_board_mux(int ctrl_type)
182 {
183 #ifdef CONFIG_FSL_QIXIS
184 	u8 reg5;
185 
186 	reg5 = QIXIS_READ(brdcfg[5]);
187 
188 	switch (ctrl_type) {
189 	case MUX_TYPE_SDHC:
190 		reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_SDHC);
191 		break;
192 	case MUX_TYPE_DSPI:
193 		reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_DSPI);
194 		break;
195 	default:
196 		printf("Wrong mux interface type\n");
197 		return -1;
198 	}
199 
200 	QIXIS_WRITE(brdcfg[5], reg5);
201 #endif
202 	return 0;
203 }
204 
205 int board_init(void)
206 {
207 #ifdef CONFIG_FSL_MC_ENET
208 	u32 __iomem *irq_ccsr = (u32 __iomem *)ISC_BASE;
209 #endif
210 
211 	init_final_memctl_regs();
212 
213 #ifdef CONFIG_ENV_IS_NOWHERE
214 	gd->env_addr = (ulong)&default_environment[0];
215 #endif
216 	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
217 
218 #ifdef CONFIG_FSL_QIXIS
219 	QIXIS_WRITE(rst_ctl, QIXIS_RST_CTL_RESET_EN);
220 #endif
221 #ifdef CONFIG_FSL_LS_PPA
222 	ppa_init();
223 #endif
224 
225 #ifdef CONFIG_FSL_MC_ENET
226 	/* invert AQR405 IRQ pins polarity */
227 	out_le32(irq_ccsr + IRQCR_OFFSET / 4, AQR405_IRQ_MASK);
228 #endif
229 #ifdef CONFIG_FSL_CAAM
230 	sec_init();
231 #endif
232 
233 	return 0;
234 }
235 
236 int board_early_init_f(void)
237 {
238 #ifdef CONFIG_SYS_I2C_EARLY_INIT
239 	i2c_early_init_f();
240 #endif
241 	fsl_lsch3_early_init_f();
242 	return 0;
243 }
244 
245 int misc_init_r(void)
246 {
247 	char *env_hwconfig;
248 	u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
249 	u32 val;
250 
251 	val = in_le32(dcfg_ccsr + DCFG_RCWSR13 / 4);
252 
253 	env_hwconfig = getenv("hwconfig");
254 
255 	if (hwconfig_f("dspi", env_hwconfig) &&
256 	    DCFG_RCWSR13_DSPI == (val & (u32)(0xf << 8)))
257 		config_board_mux(MUX_TYPE_DSPI);
258 	else
259 		config_board_mux(MUX_TYPE_SDHC);
260 
261 	/*
262 	 * LS2081ARDB RevF board has smart voltage translator
263 	 * which needs to be programmed to enable high speed SD interface
264 	 * by setting GPIO4_10 output to zero
265 	 */
266 #ifdef CONFIG_TARGET_LS2081ARDB
267 		out_le32(GPIO4_GPDIR_ADDR, (1 << 21 |
268 					    in_le32(GPIO4_GPDIR_ADDR)));
269 		out_le32(GPIO4_GPDAT_ADDR, (~(1 << 21) &
270 					    in_le32(GPIO4_GPDAT_ADDR)));
271 #endif
272 	if (hwconfig("sdhc"))
273 		config_board_mux(MUX_TYPE_SDHC);
274 
275 	if (adjust_vdd(0))
276 		printf("Warning: Adjusting core voltage failed.\n");
277 
278 	return 0;
279 }
280 
281 void detail_board_ddr_info(void)
282 {
283 	puts("\nDDR    ");
284 	print_size(gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size, "");
285 	print_ddr_info(0);
286 #ifdef CONFIG_SYS_FSL_HAS_DP_DDR
287 	if (soc_has_dp_ddr() && gd->bd->bi_dram[2].size) {
288 		puts("\nDP-DDR ");
289 		print_size(gd->bd->bi_dram[2].size, "");
290 		print_ddr_info(CONFIG_DP_DDR_CTRL);
291 	}
292 #endif
293 }
294 
295 #if defined(CONFIG_ARCH_MISC_INIT)
296 int arch_misc_init(void)
297 {
298 	return 0;
299 }
300 #endif
301 
302 #ifdef CONFIG_FSL_MC_ENET
303 void fdt_fixup_board_enet(void *fdt)
304 {
305 	int offset;
306 
307 	offset = fdt_path_offset(fdt, "/soc/fsl-mc");
308 
309 	if (offset < 0)
310 		offset = fdt_path_offset(fdt, "/fsl-mc");
311 
312 	if (offset < 0) {
313 		printf("%s: ERROR: fsl-mc node not found in device tree (error %d)\n",
314 		       __func__, offset);
315 		return;
316 	}
317 
318 	if (get_mc_boot_status() == 0)
319 		fdt_status_okay(fdt, offset);
320 	else
321 		fdt_status_fail(fdt, offset);
322 }
323 
324 void board_quiesce_devices(void)
325 {
326 	fsl_mc_ldpaa_exit(gd->bd);
327 }
328 #endif
329 
330 #ifdef CONFIG_OF_BOARD_SETUP
331 void fsl_fdt_fixup_flash(void *fdt)
332 {
333 	int offset;
334 
335 /*
336  * IFC and QSPI are muxed on board.
337  * So disable IFC node in dts if QSPI is enabled or
338  * disable QSPI node in dts in case QSPI is not enabled.
339  */
340 #ifdef CONFIG_FSL_QSPI
341 	offset = fdt_path_offset(fdt, "/soc/ifc");
342 
343 	if (offset < 0)
344 		offset = fdt_path_offset(fdt, "/ifc");
345 #else
346 	offset = fdt_path_offset(fdt, "/soc/quadspi");
347 
348 	if (offset < 0)
349 		offset = fdt_path_offset(fdt, "/quadspi");
350 #endif
351 	if (offset < 0)
352 		return;
353 
354 	fdt_status_disabled(fdt, offset);
355 }
356 
357 int ft_board_setup(void *blob, bd_t *bd)
358 {
359 	u64 base[CONFIG_NR_DRAM_BANKS];
360 	u64 size[CONFIG_NR_DRAM_BANKS];
361 
362 	ft_cpu_setup(blob, bd);
363 
364 	/* fixup DT for the two GPP DDR banks */
365 	base[0] = gd->bd->bi_dram[0].start;
366 	size[0] = gd->bd->bi_dram[0].size;
367 	base[1] = gd->bd->bi_dram[1].start;
368 	size[1] = gd->bd->bi_dram[1].size;
369 
370 #ifdef CONFIG_RESV_RAM
371 	/* reduce size if reserved memory is within this bank */
372 	if (gd->arch.resv_ram >= base[0] &&
373 	    gd->arch.resv_ram < base[0] + size[0])
374 		size[0] = gd->arch.resv_ram - base[0];
375 	else if (gd->arch.resv_ram >= base[1] &&
376 		 gd->arch.resv_ram < base[1] + size[1])
377 		size[1] = gd->arch.resv_ram - base[1];
378 #endif
379 
380 	fdt_fixup_memory_banks(blob, base, size, 2);
381 
382 	fsl_fdt_fixup_dr_usb(blob, bd);
383 
384 	fsl_fdt_fixup_flash(blob);
385 
386 #ifdef CONFIG_FSL_MC_ENET
387 	fdt_fixup_board_enet(blob);
388 #endif
389 
390 	return 0;
391 }
392 #endif
393 
394 void qixis_dump_switch(void)
395 {
396 #ifdef CONFIG_FSL_QIXIS
397 	int i, nr_of_cfgsw;
398 
399 	QIXIS_WRITE(cms[0], 0x00);
400 	nr_of_cfgsw = QIXIS_READ(cms[1]);
401 
402 	puts("DIP switch settings dump:\n");
403 	for (i = 1; i <= nr_of_cfgsw; i++) {
404 		QIXIS_WRITE(cms[0], i);
405 		printf("SW%d = (0x%02x)\n", i, QIXIS_READ(cms[1]));
406 	}
407 #endif
408 }
409 
410 /*
411  * Board rev C and earlier has duplicated I2C addresses for 2nd controller.
412  * Both slots has 0x54, resulting 2nd slot unusable.
413  */
414 void update_spd_address(unsigned int ctrl_num,
415 			unsigned int slot,
416 			unsigned int *addr)
417 {
418 #ifndef CONFIG_TARGET_LS2081ARDB
419 #ifdef CONFIG_FSL_QIXIS
420 	u8 sw;
421 
422 	sw = QIXIS_READ(arch);
423 	if ((sw & 0xf) < 0x3) {
424 		if (ctrl_num == 1 && slot == 0)
425 			*addr = SPD_EEPROM_ADDRESS4;
426 		else if (ctrl_num == 1 && slot == 1)
427 			*addr = SPD_EEPROM_ADDRESS3;
428 	}
429 #endif
430 #endif
431 }
432