1 /*
2  * Copyright 2007 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 <pci.h>
26 #include <asm/processor.h>
27 #include <asm/immap_86xx.h>
28 #include <asm/immap_fsl_pci.h>
29 #include <asm/fsl_ddr_sdram.h>
30 #include <i2c.h>
31 #include <asm/io.h>
32 #include <libfdt.h>
33 #include <fdt_support.h>
34 #include <spd_sdram.h>
35 
36 #include "../common/pixis.h"
37 
38 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
39 extern void ddr_enable_ecc(unsigned int dram_size);
40 #endif
41 
42 void sdram_init(void);
43 long int fixed_sdram(void);
44 void mpc8610hpcd_diu_init(void);
45 
46 
47 /* called before any console output */
48 int board_early_init_f(void)
49 {
50 	volatile immap_t *immap = (immap_t *)CFG_IMMR;
51 	volatile ccsr_gur_t *gur = &immap->im_gur;
52 
53 	gur->gpiocr |= 0x88aa5500; /* DIU16, IR1, UART0, UART2 */
54 
55 	return 0;
56 }
57 
58 int misc_init_r(void)
59 {
60 	u8 tmp_val, version;
61 
62 	/*Do not use 8259PIC*/
63 	tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0);
64 	out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x80);
65 
66 	/*For FPGA V7 or higher, set the IRQMAPSEL to 0 to use MAP0 interrupt*/
67 	version = in8(PIXIS_BASE + PIXIS_PVER);
68 	if(version >= 0x07) {
69 		tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0);
70 		out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val & 0xbf);
71 	}
72 
73 	/* Using this for DIU init before the driver in linux takes over
74 	 *  Enable the TFP410 Encoder (I2C address 0x38)
75 	 */
76 
77 	tmp_val = 0xBF;
78 	i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
79 	/* Verify if enabled */
80 	tmp_val = 0;
81 	i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
82 	debug("DVI Encoder Read: 0x%02lx\n",tmp_val);
83 
84 	tmp_val = 0x10;
85 	i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
86 	/* Verify if enabled */
87 	tmp_val = 0;
88 	i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
89 	debug("DVI Encoder Read: 0x%02lx\n",tmp_val);
90 
91 #ifdef CONFIG_FSL_DIU_FB
92 	mpc8610hpcd_diu_init();
93 #endif
94 
95 	return 0;
96 }
97 
98 int checkboard(void)
99 {
100 	volatile immap_t *immap = (immap_t *)CFG_IMMR;
101 	volatile ccsr_local_mcm_t *mcm = &immap->im_local_mcm;
102 
103 	printf ("Board: MPC8610HPCD, System ID: 0x%02x, "
104 		"System Version: 0x%02x, FPGA Version: 0x%02x\n",
105 		in8(PIXIS_BASE + PIXIS_ID), in8(PIXIS_BASE + PIXIS_VER),
106 		in8(PIXIS_BASE + PIXIS_PVER));
107 
108 	mcm->abcr |= 0x00010000; /* 0 */
109 	mcm->hpmr3 = 0x80000008; /* 4c */
110 	mcm->hpmr0 = 0;
111 	mcm->hpmr1 = 0;
112 	mcm->hpmr2 = 0;
113 	mcm->hpmr4 = 0;
114 	mcm->hpmr5 = 0;
115 
116 	return 0;
117 }
118 
119 
120 phys_size_t
121 initdram(int board_type)
122 {
123 	long dram_size = 0;
124 
125 #if defined(CONFIG_SPD_EEPROM)
126 	dram_size = fsl_ddr_sdram();
127 #else
128 	dram_size = fixed_sdram();
129 #endif
130 
131 #if defined(CFG_RAMBOOT)
132 	puts(" DDR: ");
133 	return dram_size;
134 #endif
135 
136 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
137 	/*
138 	 * Initialize and enable DDR ECC.
139 	 */
140 	ddr_enable_ecc(dram_size);
141 #endif
142 
143 	puts(" DDR: ");
144 	return dram_size;
145 }
146 
147 
148 #if !defined(CONFIG_SPD_EEPROM)
149 /*
150  * Fixed sdram init -- doesn't use serial presence detect.
151  */
152 
153 long int fixed_sdram(void)
154 {
155 #if !defined(CFG_RAMBOOT)
156 	volatile immap_t *immap = (immap_t *)CFG_IMMR;
157 	volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
158 	uint d_init;
159 
160 	ddr->cs0_bnds = 0x0000001f;
161 	ddr->cs0_config = 0x80010202;
162 
163 	ddr->timing_cfg_3 = 0x00000000;
164 	ddr->timing_cfg_0 = 0x00260802;
165 	ddr->timing_cfg_1 = 0x3935d322;
166 	ddr->timing_cfg_2 = 0x14904cc8;
167 	ddr->sdram_mode_1 = 0x00480432;
168 	ddr->sdram_mode_2 = 0x00000000;
169 	ddr->sdram_interval = 0x06180fff; /* 0x06180100; */
170 	ddr->sdram_data_init = 0xDEADBEEF;
171 	ddr->sdram_clk_cntl = 0x03800000;
172 	ddr->sdram_cfg_2 = 0x04400010;
173 
174 #if defined(CONFIG_DDR_ECC)
175 	ddr->err_int_en = 0x0000000d;
176 	ddr->err_disable = 0x00000000;
177 	ddr->err_sbe = 0x00010000;
178 #endif
179 	asm("sync;isync");
180 
181 	udelay(500);
182 
183 	ddr->sdram_cfg_1 = 0xc3000000; /* 0xe3008000;*/
184 
185 
186 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
187 	d_init = 1;
188 	debug("DDR - 1st controller: memory initializing\n");
189 	/*
190 	 * Poll until memory is initialized.
191 	 * 512 Meg at 400 might hit this 200 times or so.
192 	 */
193 	while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0)
194 		udelay(1000);
195 
196 	debug("DDR: memory initialized\n\n");
197 	asm("sync; isync");
198 	udelay(500);
199 #endif
200 
201 	return 512 * 1024 * 1024;
202 #endif
203 	return CFG_SDRAM_SIZE * 1024 * 1024;
204 }
205 
206 #endif
207 
208 #if defined(CONFIG_PCI)
209 /*
210  * Initialize PCI Devices, report devices found.
211  */
212 
213 #ifndef CONFIG_PCI_PNP
214 static struct pci_config_table pci_fsl86xxads_config_table[] = {
215 	{PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
216 	 PCI_IDSEL_NUMBER, PCI_ANY_ID,
217 	 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
218 				 PCI_ENET0_MEMADDR,
219 				 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER} },
220 	{}
221 };
222 #endif
223 
224 
225 static struct pci_controller pci1_hose = {
226 #ifndef CONFIG_PCI_PNP
227 config_table:pci_mpc86xxcts_config_table
228 #endif
229 };
230 #endif /* CONFIG_PCI */
231 
232 #ifdef CONFIG_PCIE1
233 static struct pci_controller pcie1_hose;
234 #endif
235 
236 #ifdef CONFIG_PCIE2
237 static struct pci_controller pcie2_hose;
238 #endif
239 
240 int first_free_busno = 0;
241 
242 void pci_init_board(void)
243 {
244 	volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
245 	volatile ccsr_gur_t *gur = &immap->im_gur;
246 	uint devdisr = gur->devdisr;
247 	uint io_sel = (gur->pordevsr & MPC8610_PORDEVSR_IO_SEL)
248 		>> MPC8610_PORDEVSR_IO_SEL_SHIFT;
249 	uint host_agent = (gur->porbmsr & MPC8610_PORBMSR_HA)
250 		>> MPC8610_PORBMSR_HA_SHIFT;
251 
252 	printf( " pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
253 		devdisr, io_sel, host_agent);
254 
255 #ifdef CONFIG_PCIE1
256  {
257 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR;
258 	extern void fsl_pci_init(struct pci_controller *hose);
259 	struct pci_controller *hose = &pcie1_hose;
260 	int pcie_configured = (io_sel == 1) || (io_sel == 4);
261 	int pcie_ep = (host_agent == 0) || (host_agent == 2) ||
262 		(host_agent == 5);
263 
264 	if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE1)) {
265 		printf(" PCIe 1 connected to Uli as %s (base address %x)\n",
266 			pcie_ep ? "End Point" : "Root Complex",
267 			(uint)pci);
268 		if (pci->pme_msg_det)
269 			pci->pme_msg_det = 0xffffffff;
270 
271 		/* inbound */
272 		pci_set_region(hose->regions + 0,
273 			 CFG_PCI_MEMORY_BUS,
274 			 CFG_PCI_MEMORY_PHYS,
275 			 CFG_PCI_MEMORY_SIZE,
276 			 PCI_REGION_MEM | PCI_REGION_MEMORY);
277 
278 		/* outbound memory */
279 		pci_set_region(hose->regions + 1,
280 			 CFG_PCIE1_MEM_BASE,
281 			 CFG_PCIE1_MEM_PHYS,
282 			 CFG_PCIE1_MEM_SIZE,
283 			 PCI_REGION_MEM);
284 
285 		/* outbound io */
286 		pci_set_region(hose->regions + 2,
287 			 CFG_PCIE1_IO_BASE,
288 			 CFG_PCIE1_IO_PHYS,
289 			 CFG_PCIE1_IO_SIZE,
290 			 PCI_REGION_IO);
291 
292 		hose->region_count = 3;
293 
294 		hose->first_busno = first_free_busno;
295 		pci_setup_indirect(hose, (int)&pci->cfg_addr,
296 				 (int)&pci->cfg_data);
297 
298 		fsl_pci_init(hose);
299 
300 		first_free_busno = hose->last_busno + 1;
301 		printf(" PCI-Express 1 on bus %02x - %02x\n",
302 			hose->first_busno, hose->last_busno);
303 
304 	} else
305 		puts(" PCI-Express 1: Disabled\n");
306  }
307 #else
308 	puts("PCI-Express 1: Disabled\n");
309 #endif /* CONFIG_PCIE1 */
310 
311 
312 #ifdef CONFIG_PCIE2
313  {
314 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE2_ADDR;
315 	extern void fsl_pci_init(struct pci_controller *hose);
316 	struct pci_controller *hose = &pcie2_hose;
317 
318 	int pcie_configured = (io_sel == 0) || (io_sel == 4);
319 	int pcie_ep = (host_agent == 0) || (host_agent == 1) ||
320 		(host_agent == 4);
321 
322 	if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE2)) {
323 		printf(" PCI-Express 2 connected to slot as %s" \
324 			" (base address %x)\n",
325 			pcie_ep ? "End Point" : "Root Complex",
326 			(uint)pci);
327 		if (pci->pme_msg_det)
328 			pci->pme_msg_det = 0xffffffff;
329 
330 		/* inbound */
331 		pci_set_region(hose->regions + 0,
332 			 CFG_PCI_MEMORY_BUS,
333 			 CFG_PCI_MEMORY_PHYS,
334 			 CFG_PCI_MEMORY_SIZE,
335 			 PCI_REGION_MEM | PCI_REGION_MEMORY);
336 
337 		/* outbound memory */
338 		pci_set_region(hose->regions + 1,
339 			 CFG_PCIE2_MEM_BASE,
340 			 CFG_PCIE2_MEM_PHYS,
341 			 CFG_PCIE2_MEM_SIZE,
342 			 PCI_REGION_MEM);
343 
344 		/* outbound io */
345 		pci_set_region(hose->regions + 2,
346 			 CFG_PCIE2_IO_BASE,
347 			 CFG_PCIE2_IO_PHYS,
348 			 CFG_PCIE2_IO_SIZE,
349 			 PCI_REGION_IO);
350 
351 		hose->region_count = 3;
352 
353 		hose->first_busno = first_free_busno;
354 		pci_setup_indirect(hose, (int)&pci->cfg_addr,
355 				 (int)&pci->cfg_data);
356 
357 		fsl_pci_init(hose);
358 
359 		first_free_busno = hose->last_busno + 1;
360 		printf(" PCI-Express 2 on bus %02x - %02x\n",
361 			hose->first_busno, hose->last_busno);
362 	} else
363 		puts(" PCI-Express 2: Disabled\n");
364  }
365 #else
366 	puts("PCI-Express 2: Disabled\n");
367 #endif /* CONFIG_PCIE2 */
368 
369 
370 #ifdef CONFIG_PCI1
371  {
372 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
373 	extern void fsl_pci_init(struct pci_controller *hose);
374 	struct pci_controller *hose = &pci1_hose;
375 	int pci_agent = (host_agent >= 4) && (host_agent <= 6);
376 
377 	if ( !(devdisr & MPC86xx_DEVDISR_PCI1)) {
378 		printf(" PCI connected to PCI slots as %s" \
379 			" (base address %x)\n",
380 			pci_agent ? "Agent" : "Host",
381 			(uint)pci);
382 
383 		/* inbound */
384 		pci_set_region(hose->regions + 0,
385 			 CFG_PCI_MEMORY_BUS,
386 			 CFG_PCI_MEMORY_PHYS,
387 			 CFG_PCI_MEMORY_SIZE,
388 			 PCI_REGION_MEM | PCI_REGION_MEMORY);
389 
390 		/* outbound memory */
391 		pci_set_region(hose->regions + 1,
392 			 CFG_PCI1_MEM_BASE,
393 			 CFG_PCI1_MEM_PHYS,
394 			 CFG_PCI1_MEM_SIZE,
395 			 PCI_REGION_MEM);
396 
397 		/* outbound io */
398 		pci_set_region(hose->regions + 2,
399 			 CFG_PCI1_IO_BASE,
400 			 CFG_PCI1_IO_PHYS,
401 			 CFG_PCI1_IO_SIZE,
402 			 PCI_REGION_IO);
403 
404 		hose->region_count = 3;
405 
406 		hose->first_busno = first_free_busno;
407 		pci_setup_indirect(hose, (int) &pci->cfg_addr,
408 				 (int) &pci->cfg_data);
409 
410 		fsl_pci_init(hose);
411 
412 		first_free_busno = hose->last_busno + 1;
413 		printf(" PCI on bus %02x - %02x\n",
414 			hose->first_busno, hose->last_busno);
415 
416 
417 	} else
418 		puts(" PCI: Disabled\n");
419  }
420 #endif /* CONFIG_PCI1 */
421 }
422 
423 #if defined(CONFIG_OF_BOARD_SETUP)
424 void
425 ft_board_setup(void *blob, bd_t *bd)
426 {
427 	int node, tmp[2];
428 	const char *path;
429 
430 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
431 			     "timebase-frequency", bd->bi_busfreq / 4, 1);
432 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
433 			     "bus-frequency", bd->bi_busfreq, 1);
434 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
435 			     "clock-frequency", bd->bi_intfreq, 1);
436 	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
437 			     "bus-frequency", bd->bi_busfreq, 1);
438 
439 	do_fixup_by_compat_u32(blob, "ns16550",
440 			       "clock-frequency", bd->bi_busfreq, 1);
441 
442 	fdt_fixup_memory(blob, bd->bi_memstart, bd->bi_memsize);
443 
444 
445 	node = fdt_path_offset(blob, "/aliases");
446 	tmp[0] = 0;
447 	if (node >= 0) {
448 
449 #ifdef CONFIG_PCI1
450 		path = fdt_getprop(blob, node, "pci0", NULL);
451 		if (path) {
452 			tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
453 			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
454 		}
455 
456 #endif
457 #ifdef CONFIG_PCIE1
458 		path = fdt_getprop(blob, node, "pci1", NULL);
459 		if (path) {
460 			tmp[1] = pcie1_hose.last_busno
461 				- pcie1_hose.first_busno;
462 			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
463 	}
464 #endif
465 #ifdef CONFIG_PCIE2
466 		path = fdt_getprop(blob, node, "pci2", NULL);
467 		if (path) {
468 			tmp[1] = pcie2_hose.last_busno
469 				- pcie2_hose.first_busno;
470 			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
471 		}
472 #endif
473 	}
474 }
475 #endif
476 
477 /*
478  * get_board_sys_clk
479  * Reads the FPGA on board for CONFIG_SYS_CLK_FREQ
480  */
481 
482 unsigned long
483 get_board_sys_clk(ulong dummy)
484 {
485 	u8 i;
486 	ulong val = 0;
487 	ulong a;
488 
489 	a = PIXIS_BASE + PIXIS_SPD;
490 	i = in8(a);
491 	i &= 0x07;
492 
493 	switch (i) {
494 	case 0:
495 		val = 33333000;
496 		break;
497 	case 1:
498 		val = 39999600;
499 		break;
500 	case 2:
501 		val = 49999500;
502 		break;
503 	case 3:
504 		val = 66666000;
505 		break;
506 	case 4:
507 		val = 83332500;
508 		break;
509 	case 5:
510 		val = 99999000;
511 		break;
512 	case 6:
513 		val = 133332000;
514 		break;
515 	case 7:
516 		val = 166665000;
517 		break;
518 	}
519 
520 	return val;
521 }
522 
523 extern int uli526x_initialize(bd_t *);
524 
525 int board_eth_init(bd_t *bis)
526 {
527 #if defined(CONFIG_ULI526)
528 	uli526x_initialize(bis);
529 #endif
530 	return 0;
531 }
532