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 CPLD: V%d.%d PCBA: V%d.0\n", CONFIG_BOARDNAME,
229 		in_8(&cpld_data->cpld_rev_major) & 0x0F,
230 		in_8(&cpld_data->cpld_rev_minor) & 0x0F,
231 		in_8(&cpld_data->pcba_rev) & 0x0F);
232 
233 	/* Initialize i2c early for rom_loc and flash bank information */
234 	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
235 
236 	if (i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 0, 1, &in, 1) < 0 ||
237 	    i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 1, 1, &out, 1) < 0 ||
238 	    i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 3, 1, &io_config, 1) < 0) {
239 		printf("Error reading i2c boot information!\n");
240 		return 0; /* Don't want to hang() on this error */
241 	}
242 
243 	val = (in & io_config) | (out & (~io_config));
244 
245 	puts("rom_loc: ");
246 	if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_SD) {
247 		puts("sd");
248 #ifdef __SW_BOOT_SPI
249 	} else if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_SPI) {
250 		puts("spi");
251 #endif
252 #ifdef __SW_BOOT_NAND
253 	} else if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_NAND) {
254 		puts("nand");
255 #endif
256 #ifdef __SW_BOOT_PCIE
257 	} else if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_PCIE) {
258 		puts("pcie");
259 #endif
260 	} else {
261 		if (val & 0x2)
262 			puts("nor lower bank");
263 		else
264 			puts("nor upper bank");
265 	}
266 	puts("\n");
267 
268 	if (val & 0x1) {
269 		setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
270 		puts("SD/MMC : 8-bit Mode\n");
271 		puts("eSPI : Disabled\n");
272 	} else {
273 		puts("SD/MMC : 4-bit Mode\n");
274 		puts("eSPI : Enabled\n");
275 	}
276 
277 	return 0;
278 }
279 
280 #ifdef CONFIG_PCI
281 void pci_init_board(void)
282 {
283 	fsl_pcie_init_board(0);
284 }
285 #endif
286 
287 int board_early_init_r(void)
288 {
289 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
290 	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
291 
292 	/*
293 	 * Remap Boot flash region to caching-inhibited
294 	 * so that flash can be erased properly.
295 	 */
296 
297 	/* Flush d-cache and invalidate i-cache of any FLASH data */
298 	flush_dcache();
299 	invalidate_icache();
300 
301 	/* invalidate existing TLB entry for flash */
302 	disable_tlb(flash_esel);
303 
304 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */
305 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,/* perms, wimge */
306 		0, flash_esel, BOOKE_PAGESZ_64M, 1);/* ts, esel, tsize, iprot */
307 	return 0;
308 }
309 
310 int board_eth_init(bd_t *bis)
311 {
312 	struct fsl_pq_mdio_info mdio_info;
313 	struct tsec_info_struct tsec_info[4];
314 	ccsr_gur_t *gur __attribute__((unused)) =
315 		(void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
316 	int num = 0;
317 #ifdef CONFIG_VSC7385_ENET
318 	char *tmp;
319 	unsigned int vscfw_addr;
320 #endif
321 
322 #ifdef CONFIG_TSEC1
323 	SET_STD_TSEC_INFO(tsec_info[num], 1);
324 	num++;
325 #endif
326 #ifdef CONFIG_TSEC2
327 	SET_STD_TSEC_INFO(tsec_info[num], 2);
328 	if (is_serdes_configured(SGMII_TSEC2)) {
329 		printf("eTSEC2 is in sgmii mode.\n");
330 		tsec_info[num].flags |= TSEC_SGMII;
331 	}
332 	num++;
333 #endif
334 #ifdef CONFIG_TSEC3
335 	SET_STD_TSEC_INFO(tsec_info[num], 3);
336 	num++;
337 #endif
338 
339 	if (!num) {
340 		printf("No TSECs initialized\n");
341 		return 0;
342 	}
343 
344 #ifdef CONFIG_VSC7385_ENET
345 	/* If a VSC7385 microcode image is present, then upload it. */
346 	if ((tmp = getenv("vscfw_addr")) != NULL) {
347 		vscfw_addr = simple_strtoul(tmp, NULL, 16);
348 		printf("uploading VSC7385 microcode from %x\n", vscfw_addr);
349 		if (vsc7385_upload_firmware((void *) vscfw_addr,
350 					CONFIG_VSC7385_IMAGE_SIZE))
351 			puts("Failure uploading VSC7385 microcode.\n");
352 	} else
353 		puts("No address specified for VSC7385 microcode.\n");
354 #endif
355 
356 	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
357 	mdio_info.name = DEFAULT_MII_NAME;
358 
359 	fsl_pq_mdio_init(bis, &mdio_info);
360 
361 	tsec_eth_init(bis, tsec_info, num);
362 
363 #if defined(CONFIG_UEC_ETH)
364 	/*  QE0 and QE3 need to be exposed for UCC1 and UCC5 Eth mode */
365 	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE0);
366 	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE3);
367 
368 	uec_standard_init(bis);
369 #endif
370 
371 	return pci_eth_init(bis);
372 }
373 
374 #if defined(CONFIG_QE) && \
375 	(defined(CONFIG_P1025RDB) || defined(CONFIG_P1021RDB))
376 static void fdt_board_fixup_qe_pins(void *blob)
377 {
378 	unsigned int oldbus;
379 	u8 val8;
380 	int node;
381 	fsl_lbc_t *lbc = LBC_BASE_ADDR;
382 
383 	if (hwconfig("qe")) {
384 		/* For QE and eLBC pins multiplexing,
385 		 * there is a PCA9555 device on P1025RDB.
386 		 * It control the multiplex pins' functions,
387 		 * and setting the PCA9555 can switch the
388 		 * function between QE and eLBC.
389 		 */
390 		oldbus = i2c_get_bus_num();
391 		i2c_set_bus_num(0);
392 		if (hwconfig("tdm"))
393 			val8 = PCA_IOPORT_QE_TDM_ENABLE;
394 		else
395 			val8 = PCA_IOPORT_QE_PIN_ENABLE;
396 		i2c_write(PCA_IOPORT_I2C_ADDR, PCA_IOPORT_CFG_CMD,
397 				1, &val8, 1);
398 		i2c_write(PCA_IOPORT_I2C_ADDR, PCA_IOPORT_OUTPUT_CMD,
399 				1, &val8, 1);
400 		i2c_set_bus_num(oldbus);
401 		/* if run QE TDM, Set ABSWP to implement
402 		 * conversion of addresses in the eLBC.
403 		 */
404 		if (hwconfig("tdm")) {
405 			set_lbc_or(2, CONFIG_PMC_OR_PRELIM);
406 			set_lbc_br(2, CONFIG_PMC_BR_PRELIM);
407 			setbits_be32(&lbc->lbcr, CONFIG_SYS_LBC_LBCR);
408 		}
409 	} else {
410 		node = fdt_path_offset(blob, "/qe");
411 		if (node >= 0)
412 			fdt_del_node(blob, node);
413 	}
414 
415 	return;
416 }
417 #endif
418 
419 #ifdef CONFIG_OF_BOARD_SETUP
420 void ft_board_setup(void *blob, bd_t *bd)
421 {
422 	phys_addr_t base;
423 	phys_size_t size;
424 
425 	ft_cpu_setup(blob, bd);
426 
427 	base = getenv_bootm_low();
428 	size = getenv_bootm_size();
429 
430 	fdt_fixup_memory(blob, (u64)base, (u64)size);
431 
432 	FT_FSL_PCI_SETUP;
433 
434 #ifdef CONFIG_QE
435 	do_fixup_by_compat(blob, "fsl,qe", "status", "okay",
436 			sizeof("okay"), 0);
437 #if defined(CONFIG_P1025RDB) || defined(CONFIG_P1021RDB)
438 	fdt_board_fixup_qe_pins(blob);
439 #endif
440 #endif
441 
442 #if defined(CONFIG_HAS_FSL_DR_USB)
443 	fdt_fixup_dr_usb(blob, bd);
444 #endif
445 }
446 #endif
447