1 /*
2  * Copyright 2010-2011 Freescale Semiconductor, Inc.
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 #include <common.h>
24 #include <command.h>
25 #include <hwconfig.h>
26 #include <pci.h>
27 #include <i2c.h>
28 #include <asm/processor.h>
29 #include <asm/mmu.h>
30 #include <asm/cache.h>
31 #include <asm/immap_85xx.h>
32 #include <asm/fsl_pci.h>
33 #include <asm/fsl_ddr_sdram.h>
34 #include <asm/io.h>
35 #include <asm/fsl_law.h>
36 #include <asm/fsl_lbc.h>
37 #include <asm/mp.h>
38 #include <miiphy.h>
39 #include <libfdt.h>
40 #include <fdt_support.h>
41 #include <fsl_mdio.h>
42 #include <tsec.h>
43 #include <vsc7385.h>
44 #include <ioports.h>
45 #include <asm/fsl_serdes.h>
46 #include <netdev.h>
47 
48 #ifdef CONFIG_QE
49 
50 #define GPIO_GETH_SW_PORT	1
51 #define GPIO_GETH_SW_PIN	29
52 #define GPIO_GETH_SW_DATA	(1 << (31 - GPIO_GETH_SW_PIN))
53 
54 #define GPIO_SLIC_PORT		1
55 #define GPIO_SLIC_PIN		30
56 #define GPIO_SLIC_DATA		(1 << (31 - GPIO_SLIC_PIN))
57 
58 
59 #if defined(CONFIG_P1025RDB) || defined(CONFIG_P1021RDB)
60 #define PCA_IOPORT_I2C_ADDR		0x23
61 #define PCA_IOPORT_OUTPUT_CMD		0x2
62 #define PCA_IOPORT_CFG_CMD		0x6
63 #define PCA_IOPORT_QE_PIN_ENABLE	0xf8
64 #define PCA_IOPORT_QE_TDM_ENABLE	0xf6
65 #endif
66 
67 const qe_iop_conf_t qe_iop_conf_tab[] = {
68 	/* GPIO */
69 	{1,   1, 2, 0, 0}, /* GPIO7/PB1   - LOAD_DEFAULT_N */
70 #if 0
71 	{1,   8, 1, 1, 0}, /* GPIO10/PB8  - DDR_RST */
72 #endif
73 	{0,  15, 1, 0, 0}, /* GPIO11/A15  - WDI */
74 	{GPIO_GETH_SW_PORT, GPIO_GETH_SW_PIN, 1, 0, 0},	/* RST_GETH_SW_N */
75 	{GPIO_SLIC_PORT, GPIO_SLIC_PIN, 1, 0, 0},	/* RST_SLIC_N */
76 
77 #ifdef CONFIG_P1025RDB
78 	/* QE_MUX_MDC */
79 	{1,  19, 1, 0, 1}, /* QE_MUX_MDC               */
80 
81 	/* QE_MUX_MDIO */
82 	{1,  20, 3, 0, 1}, /* QE_MUX_MDIO              */
83 
84 	/* UCC_1_MII */
85 	{0, 23, 2, 0, 2}, /* CLK12 */
86 	{0, 24, 2, 0, 1}, /* CLK9 */
87 	{0,  7, 1, 0, 2}, /* ENET1_TXD0_SER1_TXD0      */
88 	{0,  9, 1, 0, 2}, /* ENET1_TXD1_SER1_TXD1      */
89 	{0, 11, 1, 0, 2}, /* ENET1_TXD2_SER1_TXD2      */
90 	{0, 12, 1, 0, 2}, /* ENET1_TXD3_SER1_TXD3      */
91 	{0,  6, 2, 0, 2}, /* ENET1_RXD0_SER1_RXD0      */
92 	{0, 10, 2, 0, 2}, /* ENET1_RXD1_SER1_RXD1      */
93 	{0, 14, 2, 0, 2}, /* ENET1_RXD2_SER1_RXD2      */
94 	{0, 15, 2, 0, 2}, /* ENET1_RXD3_SER1_RXD3      */
95 	{0,  5, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B    */
96 	{0, 13, 1, 0, 2}, /* ENET1_TX_ER               */
97 	{0,  4, 2, 0, 2}, /* ENET1_RX_DV_SER1_CTS_B    */
98 	{0,  8, 2, 0, 2}, /* ENET1_RX_ER_SER1_CD_B    */
99 	{0, 17, 2, 0, 2}, /* ENET1_CRS    */
100 	{0, 16, 2, 0, 2}, /* ENET1_COL    */
101 
102 	/* UCC_5_RMII */
103 	{1, 11, 2, 0, 1}, /* CLK13 */
104 	{1, 7,  1, 0, 2}, /* ENET5_TXD0_SER5_TXD0      */
105 	{1, 10, 1, 0, 2}, /* ENET5_TXD1_SER5_TXD1      */
106 	{1, 6, 2, 0, 2}, /* ENET5_RXD0_SER5_RXD0      */
107 	{1, 9, 2, 0, 2}, /* ENET5_RXD1_SER5_RXD1      */
108 	{1, 5, 1, 0, 2}, /* ENET5_TX_EN_SER5_RTS_B    */
109 	{1, 4, 2, 0, 2}, /* ENET5_RX_DV_SER5_CTS_B    */
110 	{1, 8, 2, 0, 2}, /* ENET5_RX_ER_SER5_CD_B    */
111 #endif
112 
113 	{0,  0, 0, 0, QE_IOP_TAB_END} /* END of table */
114 };
115 #endif
116 
117 struct cpld_data {
118 	u8 cpld_rev_major;
119 	u8 pcba_rev;
120 	u8 wd_cfg;
121 	u8 rst_bps_sw;
122 	u8 load_default_n;
123 	u8 rst_bps_wd;
124 	u8 bypass_enable;
125 	u8 bps_led;
126 	u8 status_led;                  /* offset: 0x8 */
127 	u8 fxo_led;                     /* offset: 0x9 */
128 	u8 fxs_led;                     /* offset: 0xa */
129 	u8 rev4[2];
130 	u8 system_rst;                  /* offset: 0xd */
131 	u8 bps_out;
132 	u8 rev5[3];
133 	u8 cpld_rev_minor;
134 };
135 
136 #define CPLD_WD_CFG	0x03
137 #define CPLD_RST_BSW	0x00
138 #define CPLD_RST_BWD	0x00
139 #define CPLD_BYPASS_EN	0x03
140 #define CPLD_STATUS_LED	0x01
141 #define CPLD_FXO_LED	0x01
142 #define CPLD_FXS_LED	0x0F
143 #define CPLD_SYS_RST	0x00
144 
145 void board_cpld_init(void)
146 {
147 	struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
148 
149 	out_8(&cpld_data->wd_cfg, CPLD_WD_CFG);
150 	out_8(&cpld_data->status_led, CPLD_STATUS_LED);
151 	out_8(&cpld_data->fxo_led, CPLD_FXO_LED);
152 	out_8(&cpld_data->fxs_led, CPLD_FXS_LED);
153 	out_8(&cpld_data->system_rst, CPLD_SYS_RST);
154 }
155 
156 void board_gpio_init(void)
157 {
158 #ifdef CONFIG_QE
159 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
160 	par_io_t *par_io = (par_io_t *) &(gur->qe_par_io);
161 
162 	/* Enable VSC7385 switch */
163 	setbits_be32(&par_io[GPIO_GETH_SW_PORT].cpdat, GPIO_GETH_SW_DATA);
164 
165 	/* Enable SLIC */
166 	setbits_be32(&par_io[GPIO_SLIC_PORT].cpdat, GPIO_SLIC_DATA);
167 #else
168 
169 	ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
170 
171 	/*
172 	 * GPIO10 DDR Reset, open drain
173 	 * GPIO7  LOAD_DEFAULT_N          Input
174 	 * GPIO11  WDI (watchdog input)
175 	 * GPIO12  Ethernet Switch Reset
176 	 * GPIO13  SLIC Reset
177 	 */
178 
179 	setbits_be32(&pgpio->gpdir, 0x02130000);
180 #ifndef CONFIG_SYS_RAMBOOT
181 	/* init DDR3 reset signal */
182 	setbits_be32(&pgpio->gpdir, 0x00200000);
183 	setbits_be32(&pgpio->gpodr, 0x00200000);
184 	clrbits_be32(&pgpio->gpdat, 0x00200000);
185 	udelay(1000);
186 	setbits_be32(&pgpio->gpdat, 0x00200000);
187 	udelay(1000);
188 	clrbits_be32(&pgpio->gpdir, 0x00200000);
189 #endif
190 
191 #ifdef CONFIG_VSC7385_ENET
192 	/* reset VSC7385 Switch */
193 	setbits_be32(&pgpio->gpdir, 0x00080000);
194 	setbits_be32(&pgpio->gpdat, 0x00080000);
195 #endif
196 
197 #ifdef CONFIG_SLIC
198 	/* reset SLIC */
199 	setbits_be32(&pgpio->gpdir, 0x00040000);
200 	setbits_be32(&pgpio->gpdat, 0x00040000);
201 #endif
202 #endif
203 }
204 
205 int board_early_init_f(void)
206 {
207 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
208 
209 	setbits_be32(&gur->pmuxcr,
210 			(MPC85xx_PMUXCR_SDHC_CD | MPC85xx_PMUXCR_SDHC_WP));
211 	clrbits_be32(&gur->sdhcdcr, SDHCDCR_CD_INV);
212 
213 	clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
214 	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_TDM_ENA);
215 
216 	board_gpio_init();
217 	board_cpld_init();
218 
219 	return 0;
220 }
221 
222 int checkboard(void)
223 {
224 	struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
225 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
226 	u8 in, out, io_config, val;
227 
228 	printf("Board: %s ", CONFIG_BOARDNAME);
229 
230 #ifdef CONFIG_PHYS_64BIT
231 	puts("(36-bit addrmap) ");
232 #endif
233 
234 	printf("CPLD: V%d.%d PCBA: V%d.0\n",
235 		in_8(&cpld_data->cpld_rev_major) & 0x0F,
236 		in_8(&cpld_data->cpld_rev_minor) & 0x0F,
237 		in_8(&cpld_data->pcba_rev) & 0x0F);
238 
239 	/* Initialize i2c early for rom_loc and flash bank information */
240 	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
241 
242 	if (i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 0, 1, &in, 1) < 0 ||
243 	    i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 1, 1, &out, 1) < 0 ||
244 	    i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 3, 1, &io_config, 1) < 0) {
245 		printf("Error reading i2c boot information!\n");
246 		return 0; /* Don't want to hang() on this error */
247 	}
248 
249 	val = (in & io_config) | (out & (~io_config));
250 
251 	puts("rom_loc: ");
252 	if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_SD) {
253 		puts("sd");
254 #ifdef __SW_BOOT_SPI
255 	} else if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_SPI) {
256 		puts("spi");
257 #endif
258 #ifdef __SW_BOOT_NAND
259 	} else if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_NAND) {
260 		puts("nand");
261 #endif
262 #ifdef __SW_BOOT_PCIE
263 	} else if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_PCIE) {
264 		puts("pcie");
265 #endif
266 	} else {
267 		if (val & 0x2)
268 			puts("nor lower bank");
269 		else
270 			puts("nor upper bank");
271 	}
272 	puts("\n");
273 
274 	if (val & 0x1) {
275 		setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
276 		puts("SD/MMC : 8-bit Mode\n");
277 		puts("eSPI : Disabled\n");
278 	} else {
279 		puts("SD/MMC : 4-bit Mode\n");
280 		puts("eSPI : Enabled\n");
281 	}
282 
283 	return 0;
284 }
285 
286 #ifdef CONFIG_PCI
287 void pci_init_board(void)
288 {
289 	fsl_pcie_init_board(0);
290 }
291 #endif
292 
293 int board_early_init_r(void)
294 {
295 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
296 	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
297 
298 	/*
299 	 * Remap Boot flash region to caching-inhibited
300 	 * so that flash can be erased properly.
301 	 */
302 
303 	/* Flush d-cache and invalidate i-cache of any FLASH data */
304 	flush_dcache();
305 	invalidate_icache();
306 
307 	/* invalidate existing TLB entry for flash */
308 	disable_tlb(flash_esel);
309 
310 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */
311 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,/* perms, wimge */
312 		0, flash_esel, BOOKE_PAGESZ_64M, 1);/* ts, esel, tsize, iprot */
313 	return 0;
314 }
315 
316 int board_eth_init(bd_t *bis)
317 {
318 	struct fsl_pq_mdio_info mdio_info;
319 	struct tsec_info_struct tsec_info[4];
320 	ccsr_gur_t *gur __attribute__((unused)) =
321 		(void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
322 	int num = 0;
323 #ifdef CONFIG_VSC7385_ENET
324 	char *tmp;
325 	unsigned int vscfw_addr;
326 #endif
327 
328 #ifdef CONFIG_TSEC1
329 	SET_STD_TSEC_INFO(tsec_info[num], 1);
330 	num++;
331 #endif
332 #ifdef CONFIG_TSEC2
333 	SET_STD_TSEC_INFO(tsec_info[num], 2);
334 	if (is_serdes_configured(SGMII_TSEC2)) {
335 		printf("eTSEC2 is in sgmii mode.\n");
336 		tsec_info[num].flags |= TSEC_SGMII;
337 	}
338 	num++;
339 #endif
340 #ifdef CONFIG_TSEC3
341 	SET_STD_TSEC_INFO(tsec_info[num], 3);
342 	num++;
343 #endif
344 
345 	if (!num) {
346 		printf("No TSECs initialized\n");
347 		return 0;
348 	}
349 
350 #ifdef CONFIG_VSC7385_ENET
351 	/* If a VSC7385 microcode image is present, then upload it. */
352 	if ((tmp = getenv("vscfw_addr")) != NULL) {
353 		vscfw_addr = simple_strtoul(tmp, NULL, 16);
354 		printf("uploading VSC7385 microcode from %x\n", vscfw_addr);
355 		if (vsc7385_upload_firmware((void *) vscfw_addr,
356 					CONFIG_VSC7385_IMAGE_SIZE))
357 			puts("Failure uploading VSC7385 microcode.\n");
358 	} else
359 		puts("No address specified for VSC7385 microcode.\n");
360 #endif
361 
362 	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
363 	mdio_info.name = DEFAULT_MII_NAME;
364 
365 	fsl_pq_mdio_init(bis, &mdio_info);
366 
367 	tsec_eth_init(bis, tsec_info, num);
368 
369 #if defined(CONFIG_UEC_ETH)
370 	/*  QE0 and QE3 need to be exposed for UCC1 and UCC5 Eth mode */
371 	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE0);
372 	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE3);
373 
374 	uec_standard_init(bis);
375 #endif
376 
377 	return pci_eth_init(bis);
378 }
379 
380 #if defined(CONFIG_QE) && \
381 	(defined(CONFIG_P1025RDB) || defined(CONFIG_P1021RDB))
382 static void fdt_board_fixup_qe_pins(void *blob)
383 {
384 	unsigned int oldbus;
385 	u8 val8;
386 	int node;
387 	fsl_lbc_t *lbc = LBC_BASE_ADDR;
388 
389 	if (hwconfig("qe")) {
390 		/* For QE and eLBC pins multiplexing,
391 		 * there is a PCA9555 device on P1025RDB.
392 		 * It control the multiplex pins' functions,
393 		 * and setting the PCA9555 can switch the
394 		 * function between QE and eLBC.
395 		 */
396 		oldbus = i2c_get_bus_num();
397 		i2c_set_bus_num(0);
398 		if (hwconfig("tdm"))
399 			val8 = PCA_IOPORT_QE_TDM_ENABLE;
400 		else
401 			val8 = PCA_IOPORT_QE_PIN_ENABLE;
402 		i2c_write(PCA_IOPORT_I2C_ADDR, PCA_IOPORT_CFG_CMD,
403 				1, &val8, 1);
404 		i2c_write(PCA_IOPORT_I2C_ADDR, PCA_IOPORT_OUTPUT_CMD,
405 				1, &val8, 1);
406 		i2c_set_bus_num(oldbus);
407 		/* if run QE TDM, Set ABSWP to implement
408 		 * conversion of addresses in the eLBC.
409 		 */
410 		if (hwconfig("tdm")) {
411 			set_lbc_or(2, CONFIG_PMC_OR_PRELIM);
412 			set_lbc_br(2, CONFIG_PMC_BR_PRELIM);
413 			setbits_be32(&lbc->lbcr, CONFIG_SYS_LBC_LBCR);
414 		}
415 	} else {
416 		node = fdt_path_offset(blob, "/qe");
417 		if (node >= 0)
418 			fdt_del_node(blob, node);
419 	}
420 
421 	return;
422 }
423 #endif
424 
425 #ifdef CONFIG_OF_BOARD_SETUP
426 void ft_board_setup(void *blob, bd_t *bd)
427 {
428 	phys_addr_t base;
429 	phys_size_t size;
430 
431 	ft_cpu_setup(blob, bd);
432 
433 	base = getenv_bootm_low();
434 	size = getenv_bootm_size();
435 
436 	fdt_fixup_memory(blob, (u64)base, (u64)size);
437 
438 	FT_FSL_PCI_SETUP;
439 
440 #ifdef CONFIG_QE
441 	do_fixup_by_compat(blob, "fsl,qe", "status", "okay",
442 			sizeof("okay"), 0);
443 #if defined(CONFIG_P1025RDB) || defined(CONFIG_P1021RDB)
444 	fdt_board_fixup_qe_pins(blob);
445 #endif
446 #endif
447 	fdt_fixup_dr_usb(blob, bd);
448 }
449 #endif
450