1 /*
2  * Copyright 2010-2011, 2013 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <command.h>
9 #include <hwconfig.h>
10 #include <pci.h>
11 #include <i2c.h>
12 #include <asm/processor.h>
13 #include <asm/mmu.h>
14 #include <asm/cache.h>
15 #include <asm/immap_85xx.h>
16 #include <asm/fsl_pci.h>
17 #include <fsl_ddr_sdram.h>
18 #include <asm/io.h>
19 #include <asm/fsl_law.h>
20 #include <asm/fsl_lbc.h>
21 #include <asm/mp.h>
22 #include <miiphy.h>
23 #include <libfdt.h>
24 #include <fdt_support.h>
25 #include <fsl_mdio.h>
26 #include <tsec.h>
27 #include <vsc7385.h>
28 #include <ioports.h>
29 #include <asm/fsl_serdes.h>
30 #include <netdev.h>
31 
32 #ifdef CONFIG_QE
33 
34 #define GPIO_GETH_SW_PORT	1
35 #define GPIO_GETH_SW_PIN	29
36 #define GPIO_GETH_SW_DATA	(1 << (31 - GPIO_GETH_SW_PIN))
37 
38 #define GPIO_SLIC_PORT		1
39 #define GPIO_SLIC_PIN		30
40 #define GPIO_SLIC_DATA		(1 << (31 - GPIO_SLIC_PIN))
41 
42 #if defined(CONFIG_P1021RDB) && !defined(CONFIG_SYS_RAMBOOT)
43 #define GPIO_DDR_RST_PORT	1
44 #define GPIO_DDR_RST_PIN	8
45 #define GPIO_DDR_RST_DATA	(1 << (31 - GPIO_DDR_RST_PIN))
46 
47 #define GPIO_2BIT_MASK		(0x3 << (32 - (GPIO_DDR_RST_PIN + 1) * 2))
48 #endif
49 
50 #if defined(CONFIG_P1025RDB) || defined(CONFIG_P1021RDB)
51 #define PCA_IOPORT_I2C_ADDR		0x23
52 #define PCA_IOPORT_OUTPUT_CMD		0x2
53 #define PCA_IOPORT_CFG_CMD		0x6
54 #define PCA_IOPORT_QE_PIN_ENABLE	0xf8
55 #define PCA_IOPORT_QE_TDM_ENABLE	0xf6
56 #endif
57 
58 const qe_iop_conf_t qe_iop_conf_tab[] = {
59 	/* GPIO */
60 	{1,   1, 2, 0, 0}, /* GPIO7/PB1   - LOAD_DEFAULT_N */
61 #if defined(CONFIG_P1021RDB) && !defined(CONFIG_SYS_RAMBOOT)
62 	{1,   8, 1, 1, 0}, /* GPIO10/PB8  - DDR_RST */
63 #endif
64 	{0,  15, 1, 0, 0}, /* GPIO11/A15  - WDI */
65 	{GPIO_GETH_SW_PORT, GPIO_GETH_SW_PIN, 1, 0, 0},	/* RST_GETH_SW_N */
66 	{GPIO_SLIC_PORT, GPIO_SLIC_PIN, 1, 0, 0},	/* RST_SLIC_N */
67 
68 #ifdef CONFIG_P1025RDB
69 	/* QE_MUX_MDC */
70 	{1,  19, 1, 0, 1}, /* QE_MUX_MDC               */
71 
72 	/* QE_MUX_MDIO */
73 	{1,  20, 3, 0, 1}, /* QE_MUX_MDIO              */
74 
75 	/* UCC_1_MII */
76 	{0, 23, 2, 0, 2}, /* CLK12 */
77 	{0, 24, 2, 0, 1}, /* CLK9 */
78 	{0,  7, 1, 0, 2}, /* ENET1_TXD0_SER1_TXD0      */
79 	{0,  9, 1, 0, 2}, /* ENET1_TXD1_SER1_TXD1      */
80 	{0, 11, 1, 0, 2}, /* ENET1_TXD2_SER1_TXD2      */
81 	{0, 12, 1, 0, 2}, /* ENET1_TXD3_SER1_TXD3      */
82 	{0,  6, 2, 0, 2}, /* ENET1_RXD0_SER1_RXD0      */
83 	{0, 10, 2, 0, 2}, /* ENET1_RXD1_SER1_RXD1      */
84 	{0, 14, 2, 0, 2}, /* ENET1_RXD2_SER1_RXD2      */
85 	{0, 15, 2, 0, 2}, /* ENET1_RXD3_SER1_RXD3      */
86 	{0,  5, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B    */
87 	{0, 13, 1, 0, 2}, /* ENET1_TX_ER               */
88 	{0,  4, 2, 0, 2}, /* ENET1_RX_DV_SER1_CTS_B    */
89 	{0,  8, 2, 0, 2}, /* ENET1_RX_ER_SER1_CD_B    */
90 	{0, 17, 2, 0, 2}, /* ENET1_CRS    */
91 	{0, 16, 2, 0, 2}, /* ENET1_COL    */
92 
93 	/* UCC_5_RMII */
94 	{1, 11, 2, 0, 1}, /* CLK13 */
95 	{1, 7,  1, 0, 2}, /* ENET5_TXD0_SER5_TXD0      */
96 	{1, 10, 1, 0, 2}, /* ENET5_TXD1_SER5_TXD1      */
97 	{1, 6, 2, 0, 2}, /* ENET5_RXD0_SER5_RXD0      */
98 	{1, 9, 2, 0, 2}, /* ENET5_RXD1_SER5_RXD1      */
99 	{1, 5, 1, 0, 2}, /* ENET5_TX_EN_SER5_RTS_B    */
100 	{1, 4, 2, 0, 2}, /* ENET5_RX_DV_SER5_CTS_B    */
101 	{1, 8, 2, 0, 2}, /* ENET5_RX_ER_SER5_CD_B    */
102 #endif
103 
104 	{0,  0, 0, 0, QE_IOP_TAB_END} /* END of table */
105 };
106 #endif
107 
108 struct cpld_data {
109 	u8 cpld_rev_major;
110 	u8 pcba_rev;
111 	u8 wd_cfg;
112 	u8 rst_bps_sw;
113 	u8 load_default_n;
114 	u8 rst_bps_wd;
115 	u8 bypass_enable;
116 	u8 bps_led;
117 	u8 status_led;                  /* offset: 0x8 */
118 	u8 fxo_led;                     /* offset: 0x9 */
119 	u8 fxs_led;                     /* offset: 0xa */
120 	u8 rev4[2];
121 	u8 system_rst;                  /* offset: 0xd */
122 	u8 bps_out;
123 	u8 rev5[3];
124 	u8 cpld_rev_minor;
125 };
126 
127 #define CPLD_WD_CFG	0x03
128 #define CPLD_RST_BSW	0x00
129 #define CPLD_RST_BWD	0x00
130 #define CPLD_BYPASS_EN	0x03
131 #define CPLD_STATUS_LED	0x01
132 #define CPLD_FXO_LED	0x01
133 #define CPLD_FXS_LED	0x0F
134 #define CPLD_SYS_RST	0x00
135 
136 void board_cpld_init(void)
137 {
138 	struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
139 
140 	out_8(&cpld_data->wd_cfg, CPLD_WD_CFG);
141 	out_8(&cpld_data->status_led, CPLD_STATUS_LED);
142 	out_8(&cpld_data->fxo_led, CPLD_FXO_LED);
143 	out_8(&cpld_data->fxs_led, CPLD_FXS_LED);
144 	out_8(&cpld_data->system_rst, CPLD_SYS_RST);
145 }
146 
147 void board_gpio_init(void)
148 {
149 #ifdef CONFIG_QE
150 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
151 	par_io_t *par_io = (par_io_t *) &(gur->qe_par_io);
152 
153 #if defined(CONFIG_P1021RDB) && !defined(CONFIG_SYS_RAMBOOT)
154 	/* reset DDR3 */
155 	setbits_be32(&par_io[GPIO_DDR_RST_PORT].cpdat, GPIO_DDR_RST_DATA);
156 	udelay(1000);
157 	clrbits_be32(&par_io[GPIO_DDR_RST_PORT].cpdat, GPIO_DDR_RST_DATA);
158 	udelay(1000);
159 	setbits_be32(&par_io[GPIO_DDR_RST_PORT].cpdat, GPIO_DDR_RST_DATA);
160 	/* disable CE_PB8 */
161 	clrbits_be32(&par_io[GPIO_DDR_RST_PORT].cpdir1, GPIO_2BIT_MASK);
162 #endif
163 	/* Enable VSC7385 switch */
164 	setbits_be32(&par_io[GPIO_GETH_SW_PORT].cpdat, GPIO_GETH_SW_DATA);
165 
166 	/* Enable SLIC */
167 	setbits_be32(&par_io[GPIO_SLIC_PORT].cpdat, GPIO_SLIC_DATA);
168 #else
169 
170 	ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
171 
172 	/*
173 	 * GPIO10 DDR Reset, open drain
174 	 * GPIO7  LOAD_DEFAULT_N          Input
175 	 * GPIO11  WDI (watchdog input)
176 	 * GPIO12  Ethernet Switch Reset
177 	 * GPIO13  SLIC Reset
178 	 */
179 
180 	setbits_be32(&pgpio->gpdir, 0x02130000);
181 #if !defined(CONFIG_SYS_RAMBOOT) && !defined(CONFIG_SPL)
182 	/* init DDR3 reset signal */
183 	setbits_be32(&pgpio->gpdir, 0x00200000);
184 	setbits_be32(&pgpio->gpodr, 0x00200000);
185 	clrbits_be32(&pgpio->gpdat, 0x00200000);
186 	udelay(1000);
187 	setbits_be32(&pgpio->gpdat, 0x00200000);
188 	udelay(1000);
189 	clrbits_be32(&pgpio->gpdir, 0x00200000);
190 #endif
191 
192 #ifdef CONFIG_VSC7385_ENET
193 	/* reset VSC7385 Switch */
194 	setbits_be32(&pgpio->gpdir, 0x00080000);
195 	setbits_be32(&pgpio->gpdat, 0x00080000);
196 #endif
197 
198 #ifdef CONFIG_SLIC
199 	/* reset SLIC */
200 	setbits_be32(&pgpio->gpdir, 0x00040000);
201 	setbits_be32(&pgpio->gpdat, 0x00040000);
202 #endif
203 #endif
204 }
205 
206 int board_early_init_f(void)
207 {
208 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
209 
210 	setbits_be32(&gur->pmuxcr,
211 			(MPC85xx_PMUXCR_SDHC_CD | MPC85xx_PMUXCR_SDHC_WP));
212 	clrbits_be32(&gur->sdhcdcr, SDHCDCR_CD_INV);
213 
214 	clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
215 	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_TDM_ENA);
216 
217 	board_gpio_init();
218 	board_cpld_init();
219 
220 	return 0;
221 }
222 
223 int checkboard(void)
224 {
225 	struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
226 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
227 	u8 in, out, io_config, val;
228 
229 	printf("Board: %s CPLD: V%d.%d PCBA: V%d.0\n", CONFIG_BOARDNAME,
230 		in_8(&cpld_data->cpld_rev_major) & 0x0F,
231 		in_8(&cpld_data->cpld_rev_minor) & 0x0F,
232 		in_8(&cpld_data->pcba_rev) & 0x0F);
233 
234 	/* Initialize i2c early for rom_loc and flash bank information */
235 	i2c_set_bus_num(CONFIG_SYS_SPD_BUS_NUM);
236 
237 	if (i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 0, 1, &in, 1) < 0 ||
238 	    i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 1, 1, &out, 1) < 0 ||
239 	    i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 3, 1, &io_config, 1) < 0) {
240 		printf("Error reading i2c boot information!\n");
241 		return 0; /* Don't want to hang() on this error */
242 	}
243 
244 	val = (in & io_config) | (out & (~io_config));
245 
246 	puts("rom_loc: ");
247 	if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_SD) {
248 		puts("sd");
249 #ifdef __SW_BOOT_SPI
250 	} else if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_SPI) {
251 		puts("spi");
252 #endif
253 #ifdef __SW_BOOT_NAND
254 	} else if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_NAND) {
255 		puts("nand");
256 #endif
257 #ifdef __SW_BOOT_PCIE
258 	} else if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_PCIE) {
259 		puts("pcie");
260 #endif
261 	} else {
262 		if (val & 0x2)
263 			puts("nor lower bank");
264 		else
265 			puts("nor upper bank");
266 	}
267 	puts("\n");
268 
269 	if (val & 0x1) {
270 		setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
271 		puts("SD/MMC : 8-bit Mode\n");
272 		puts("eSPI : Disabled\n");
273 	} else {
274 		puts("SD/MMC : 4-bit Mode\n");
275 		puts("eSPI : Enabled\n");
276 	}
277 
278 	return 0;
279 }
280 
281 #ifdef CONFIG_PCI
282 void pci_init_board(void)
283 {
284 	fsl_pcie_init_board(0);
285 }
286 #endif
287 
288 int board_early_init_r(void)
289 {
290 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
291 	int flash_esel = find_tlb_idx((void *)flashbase, 1);
292 
293 	/*
294 	 * Remap Boot flash region to caching-inhibited
295 	 * so that flash can be erased properly.
296 	 */
297 
298 	/* Flush d-cache and invalidate i-cache of any FLASH data */
299 	flush_dcache();
300 	invalidate_icache();
301 
302 	if (flash_esel == -1) {
303 		/* very unlikely unless something is messed up */
304 		puts("Error: Could not find TLB for FLASH BASE\n");
305 		flash_esel = 2;	/* give our best effort to continue */
306 	} else {
307 		/* invalidate existing TLB entry for flash */
308 		disable_tlb(flash_esel);
309 	}
310 
311 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */
312 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,/* perms, wimge */
313 		0, flash_esel, BOOKE_PAGESZ_64M, 1);/* ts, esel, tsize, iprot */
314 	return 0;
315 }
316 
317 int board_eth_init(bd_t *bis)
318 {
319 	struct fsl_pq_mdio_info mdio_info;
320 	struct tsec_info_struct tsec_info[4];
321 	ccsr_gur_t *gur __attribute__((unused)) =
322 		(void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
323 	int num = 0;
324 #ifdef CONFIG_VSC7385_ENET
325 	char *tmp;
326 	unsigned int vscfw_addr;
327 #endif
328 
329 #ifdef CONFIG_TSEC1
330 	SET_STD_TSEC_INFO(tsec_info[num], 1);
331 	num++;
332 #endif
333 #ifdef CONFIG_TSEC2
334 	SET_STD_TSEC_INFO(tsec_info[num], 2);
335 	if (is_serdes_configured(SGMII_TSEC2)) {
336 		printf("eTSEC2 is in sgmii mode.\n");
337 		tsec_info[num].flags |= TSEC_SGMII;
338 	}
339 	num++;
340 #endif
341 #ifdef CONFIG_TSEC3
342 	SET_STD_TSEC_INFO(tsec_info[num], 3);
343 	num++;
344 #endif
345 
346 	if (!num) {
347 		printf("No TSECs initialized\n");
348 		return 0;
349 	}
350 
351 #ifdef CONFIG_VSC7385_ENET
352 	/* If a VSC7385 microcode image is present, then upload it. */
353 	if ((tmp = getenv("vscfw_addr")) != NULL) {
354 		vscfw_addr = simple_strtoul(tmp, NULL, 16);
355 		printf("uploading VSC7385 microcode from %x\n", vscfw_addr);
356 		if (vsc7385_upload_firmware((void *) vscfw_addr,
357 					CONFIG_VSC7385_IMAGE_SIZE))
358 			puts("Failure uploading VSC7385 microcode.\n");
359 	} else
360 		puts("No address specified for VSC7385 microcode.\n");
361 #endif
362 
363 	mdio_info.regs = TSEC_GET_MDIO_REGS_BASE(1);
364 	mdio_info.name = DEFAULT_MII_NAME;
365 
366 	fsl_pq_mdio_init(bis, &mdio_info);
367 
368 	tsec_eth_init(bis, tsec_info, num);
369 
370 #if defined(CONFIG_UEC_ETH)
371 	/*  QE0 and QE3 need to be exposed for UCC1 and UCC5 Eth mode */
372 	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE0);
373 	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE3);
374 
375 	uec_standard_init(bis);
376 #endif
377 
378 	return pci_eth_init(bis);
379 }
380 
381 #if defined(CONFIG_QE) && \
382 	(defined(CONFIG_P1025RDB) || defined(CONFIG_P1021RDB))
383 static void fdt_board_fixup_qe_pins(void *blob)
384 {
385 	unsigned int oldbus;
386 	u8 val8;
387 	int node;
388 	fsl_lbc_t *lbc = LBC_BASE_ADDR;
389 
390 	if (hwconfig("qe")) {
391 		/* For QE and eLBC pins multiplexing,
392 		 * there is a PCA9555 device on P1025RDB.
393 		 * It control the multiplex pins' functions,
394 		 * and setting the PCA9555 can switch the
395 		 * function between QE and eLBC.
396 		 */
397 		oldbus = i2c_get_bus_num();
398 		i2c_set_bus_num(0);
399 		if (hwconfig("tdm"))
400 			val8 = PCA_IOPORT_QE_TDM_ENABLE;
401 		else
402 			val8 = PCA_IOPORT_QE_PIN_ENABLE;
403 		i2c_write(PCA_IOPORT_I2C_ADDR, PCA_IOPORT_CFG_CMD,
404 				1, &val8, 1);
405 		i2c_write(PCA_IOPORT_I2C_ADDR, PCA_IOPORT_OUTPUT_CMD,
406 				1, &val8, 1);
407 		i2c_set_bus_num(oldbus);
408 		/* if run QE TDM, Set ABSWP to implement
409 		 * conversion of addresses in the eLBC.
410 		 */
411 		if (hwconfig("tdm")) {
412 			set_lbc_or(2, CONFIG_PMC_OR_PRELIM);
413 			set_lbc_br(2, CONFIG_PMC_BR_PRELIM);
414 			setbits_be32(&lbc->lbcr, CONFIG_SYS_LBC_LBCR);
415 		}
416 	} else {
417 		node = fdt_path_offset(blob, "/qe");
418 		if (node >= 0)
419 			fdt_del_node(blob, node);
420 	}
421 
422 	return;
423 }
424 #endif
425 
426 #ifdef CONFIG_OF_BOARD_SETUP
427 int ft_board_setup(void *blob, bd_t *bd)
428 {
429 	phys_addr_t base;
430 	phys_size_t size;
431 #if defined(CONFIG_P1020RDB_PD) || defined(CONFIG_P1020RDB_PC)
432 	const char *soc_usb_compat = "fsl-usb2-dr";
433 	int usb_err, usb1_off, usb2_off;
434 #endif
435 #if defined(CONFIG_SDCARD) || defined(CONFIG_SPIFLASH)
436 	int err;
437 #endif
438 
439 	ft_cpu_setup(blob, bd);
440 
441 	base = getenv_bootm_low();
442 	size = getenv_bootm_size();
443 
444 	fdt_fixup_memory(blob, (u64)base, (u64)size);
445 
446 	FT_FSL_PCI_SETUP;
447 
448 #ifdef CONFIG_QE
449 	do_fixup_by_compat(blob, "fsl,qe", "status", "okay",
450 			sizeof("okay"), 0);
451 #if defined(CONFIG_P1025RDB) || defined(CONFIG_P1021RDB)
452 	fdt_board_fixup_qe_pins(blob);
453 #endif
454 #endif
455 
456 #if defined(CONFIG_HAS_FSL_DR_USB)
457 	fsl_fdt_fixup_dr_usb(blob, bd);
458 #endif
459 
460 #if defined(CONFIG_SDCARD) || defined(CONFIG_SPIFLASH)
461 	/* Delete eLBC node as it is muxed with USB2 controller */
462 	if (hwconfig("usb2")) {
463 		const char *soc_elbc_compat = "fsl,p1020-elbc";
464 		int off = fdt_node_offset_by_compatible(blob, -1,
465 				soc_elbc_compat);
466 		if (off < 0) {
467 			printf("WARNING: could not find compatible node %s\n",
468 			       soc_elbc_compat);
469 			return off;
470 		}
471 		err = fdt_del_node(blob, off);
472 		if (err < 0) {
473 			printf("WARNING: could not remove %s\n",
474 			       soc_elbc_compat);
475 			return err;
476 		}
477 		return 0;
478 	}
479 #endif
480 
481 #if defined(CONFIG_P1020RDB_PD) || defined(CONFIG_P1020RDB_PC)
482 /* Delete USB2 node as it is muxed with eLBC */
483 	usb1_off = fdt_node_offset_by_compatible(blob, -1,
484 		soc_usb_compat);
485 	if (usb1_off < 0) {
486 		printf("WARNING: could not find compatible node %s\n",
487 		       soc_usb_compat);
488 		return usb1_off;
489 	}
490 	usb2_off = fdt_node_offset_by_compatible(blob, usb1_off,
491 			soc_usb_compat);
492 	if (usb2_off < 0) {
493 		printf("WARNING: could not find compatible node %s\n",
494 		       soc_usb_compat);
495 		return usb2_off;
496 	}
497 	usb_err = fdt_del_node(blob, usb2_off);
498 	if (usb_err < 0) {
499 		printf("WARNING: could not remove %s\n", soc_usb_compat);
500 		return usb_err;
501 	}
502 #endif
503 
504 	return 0;
505 }
506 #endif
507