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/mmu.h>
28 #include <asm/immap_85xx.h>
29 #include <asm/immap_fsl_pci.h>
30 #include <asm/fsl_ddr_sdram.h>
31 #include <asm/io.h>
32 #include <miiphy.h>
33 #include <libfdt.h>
34 #include <fdt_support.h>
35 #include <tsec.h>
36 #include <netdev.h>
37 
38 #include "../common/pixis.h"
39 #include "../common/sgmii_riser.h"
40 
41 int checkboard (void)
42 {
43 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
44 	volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
45 	volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
46 
47 	if ((uint)&gur->porpllsr != 0xe00e0000) {
48 		printf("immap size error %lx\n",(ulong)&gur->porpllsr);
49 	}
50 	printf ("Board: MPC8544DS, System ID: 0x%02x, "
51 		"System Version: 0x%02x, FPGA Version: 0x%02x\n",
52 		in8(PIXIS_BASE + PIXIS_ID), in8(PIXIS_BASE + PIXIS_VER),
53 		in8(PIXIS_BASE + PIXIS_PVER));
54 
55 	lbc->ltesr = 0xffffffff;	/* Clear LBC error interrupts */
56 	lbc->lteir = 0xffffffff;	/* Enable LBC error interrupts */
57 	ecm->eedr = 0xffffffff;		/* Clear ecm errors */
58 	ecm->eeer = 0xffffffff;		/* Enable ecm errors */
59 
60 	return 0;
61 }
62 
63 phys_size_t
64 initdram(int board_type)
65 {
66 	long dram_size = 0;
67 
68 	puts("Initializing\n");
69 
70 	dram_size = fsl_ddr_sdram();
71 
72 	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
73 
74 	dram_size *= 0x100000;
75 
76 	puts("    DDR: ");
77 	return dram_size;
78 }
79 
80 #ifdef CONFIG_PCI1
81 static struct pci_controller pci1_hose;
82 #endif
83 
84 #ifdef CONFIG_PCIE1
85 static struct pci_controller pcie1_hose;
86 #endif
87 
88 #ifdef CONFIG_PCIE2
89 static struct pci_controller pcie2_hose;
90 #endif
91 
92 #ifdef CONFIG_PCIE3
93 static struct pci_controller pcie3_hose;
94 #endif
95 
96 extern int fsl_pci_setup_inbound_windows(struct pci_region *r);
97 extern void fsl_pci_init(struct pci_controller *hose);
98 
99 int first_free_busno=0;
100 
101 void
102 pci_init_board(void)
103 {
104 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
105 	uint devdisr = gur->devdisr;
106 	uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
107 	uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
108 
109 	debug ("   pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
110 		devdisr, io_sel, host_agent);
111 
112 	if (io_sel & 1) {
113 		if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
114 			printf ("    eTSEC1 is in sgmii mode.\n");
115 		if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
116 			printf ("    eTSEC3 is in sgmii mode.\n");
117 	}
118 
119 #ifdef CONFIG_PCIE3
120 {
121 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
122 	struct pci_controller *hose = &pcie3_hose;
123 	int pcie_ep = (host_agent == 1);
124 	int pcie_configured  = io_sel >= 6;
125 	struct pci_region *r = hose->regions;
126 
127 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
128 		printf ("\n    PCIE3 connected to ULI as %s (base address %x)",
129 			pcie_ep ? "End Point" : "Root Complex",
130 			(uint)pci);
131 		if (pci->pme_msg_det) {
132 			pci->pme_msg_det = 0xffffffff;
133 			debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
134 		}
135 		printf ("\n");
136 
137 		/* inbound */
138 		r += fsl_pci_setup_inbound_windows(r);
139 
140 		/* outbound memory */
141 		pci_set_region(r++,
142 			       CONFIG_SYS_PCIE3_MEM_BASE,
143 			       CONFIG_SYS_PCIE3_MEM_PHYS,
144 			       CONFIG_SYS_PCIE3_MEM_SIZE,
145 			       PCI_REGION_MEM);
146 
147 		/* outbound io */
148 		pci_set_region(r++,
149 			       CONFIG_SYS_PCIE3_IO_BASE,
150 			       CONFIG_SYS_PCIE3_IO_PHYS,
151 			       CONFIG_SYS_PCIE3_IO_SIZE,
152 			       PCI_REGION_IO);
153 
154 #ifdef CONFIG_SYS_PCIE3_MEM_BASE2
155 		/* outbound memory */
156 		pci_set_region(r++,
157 			       CONFIG_SYS_PCIE3_MEM_BASE2,
158 			       CONFIG_SYS_PCIE3_MEM_PHYS2,
159 			       CONFIG_SYS_PCIE3_MEM_SIZE2,
160 			       PCI_REGION_MEM);
161 #endif
162 		hose->region_count = r - hose->regions;
163 		hose->first_busno=first_free_busno;
164 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
165 
166 		fsl_pci_init(hose);
167 
168 		first_free_busno=hose->last_busno+1;
169 		printf ("    PCIE3 on bus %02x - %02x\n",
170 			hose->first_busno,hose->last_busno);
171 
172 		/*
173 		 * Activate ULI1575 legacy chip by performing a fake
174 		 * memory access.  Needed to make ULI RTC work.
175 		 */
176 		in_be32((u32 *)CONFIG_SYS_PCIE3_MEM_BASE);
177 	} else {
178 		printf ("    PCIE3: disabled\n");
179 	}
180 
181  }
182 #else
183 	gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
184 #endif
185 
186 #ifdef CONFIG_PCIE1
187  {
188 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
189 	struct pci_controller *hose = &pcie1_hose;
190 	int pcie_ep = (host_agent == 5);
191 	int pcie_configured  = io_sel >= 2;
192 	struct pci_region *r = hose->regions;
193 
194 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
195 		printf ("\n    PCIE1 connected to Slot2 as %s (base address %x)",
196 			pcie_ep ? "End Point" : "Root Complex",
197 			(uint)pci);
198 		if (pci->pme_msg_det) {
199 			pci->pme_msg_det = 0xffffffff;
200 			debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
201 		}
202 		printf ("\n");
203 
204 		/* inbound */
205 		r += fsl_pci_setup_inbound_windows(r);
206 
207 		/* outbound memory */
208 		pci_set_region(r++,
209 			       CONFIG_SYS_PCIE1_MEM_BASE,
210 			       CONFIG_SYS_PCIE1_MEM_PHYS,
211 			       CONFIG_SYS_PCIE1_MEM_SIZE,
212 			       PCI_REGION_MEM);
213 
214 		/* outbound io */
215 		pci_set_region(r++,
216 			       CONFIG_SYS_PCIE1_IO_BASE,
217 			       CONFIG_SYS_PCIE1_IO_PHYS,
218 			       CONFIG_SYS_PCIE1_IO_SIZE,
219 			       PCI_REGION_IO);
220 
221 #ifdef CONFIG_SYS_PCIE1_MEM_BASE2
222 		/* outbound memory */
223 		pci_set_region(r++,
224 			       CONFIG_SYS_PCIE1_MEM_BASE2,
225 			       CONFIG_SYS_PCIE1_MEM_PHYS2,
226 			       CONFIG_SYS_PCIE1_MEM_SIZE2,
227 			       PCI_REGION_MEM);
228 #endif
229 		hose->region_count = r - hose->regions;
230 		hose->first_busno=first_free_busno;
231 
232 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
233 
234 		fsl_pci_init(hose);
235 
236 		first_free_busno=hose->last_busno+1;
237 		printf("    PCIE1 on bus %02x - %02x\n",
238 		       hose->first_busno,hose->last_busno);
239 
240 	} else {
241 		printf ("    PCIE1: disabled\n");
242 	}
243 
244  }
245 #else
246 	gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
247 #endif
248 
249 #ifdef CONFIG_PCIE2
250  {
251 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
252 	struct pci_controller *hose = &pcie2_hose;
253 	int pcie_ep = (host_agent == 3);
254 	int pcie_configured  = io_sel >= 4;
255 	struct pci_region *r = hose->regions;
256 
257 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
258 		printf ("\n    PCIE2 connected to Slot 1 as %s (base address %x)",
259 			pcie_ep ? "End Point" : "Root Complex",
260 			(uint)pci);
261 		if (pci->pme_msg_det) {
262 			pci->pme_msg_det = 0xffffffff;
263 			debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
264 		}
265 		printf ("\n");
266 
267 		/* inbound */
268 		r += fsl_pci_setup_inbound_windows(r);
269 
270 		/* outbound memory */
271 		pci_set_region(r++,
272 			       CONFIG_SYS_PCIE2_MEM_BASE,
273 			       CONFIG_SYS_PCIE2_MEM_PHYS,
274 			       CONFIG_SYS_PCIE2_MEM_SIZE,
275 			       PCI_REGION_MEM);
276 
277 		/* outbound io */
278 		pci_set_region(r++,
279 			       CONFIG_SYS_PCIE2_IO_BASE,
280 			       CONFIG_SYS_PCIE2_IO_PHYS,
281 			       CONFIG_SYS_PCIE2_IO_SIZE,
282 			       PCI_REGION_IO);
283 
284 #ifdef CONFIG_SYS_PCIE2_MEM_BASE2
285 		/* outbound memory */
286 		pci_set_region(r++,
287 			       CONFIG_SYS_PCIE2_MEM_BASE2,
288 			       CONFIG_SYS_PCIE2_MEM_PHYS2,
289 			       CONFIG_SYS_PCIE2_MEM_SIZE2,
290 			       PCI_REGION_MEM);
291 #endif
292 		hose->region_count = r - hose->regions;
293 		hose->first_busno=first_free_busno;
294 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
295 
296 		fsl_pci_init(hose);
297 		first_free_busno=hose->last_busno+1;
298 		printf ("    PCIE2 on bus %02x - %02x\n",
299 			hose->first_busno,hose->last_busno);
300 
301 	} else {
302 		printf ("    PCIE2: disabled\n");
303 	}
304 
305  }
306 #else
307 	gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
308 #endif
309 
310 
311 #ifdef CONFIG_PCI1
312 {
313 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
314 	struct pci_controller *hose = &pci1_hose;
315 	struct pci_region *r = hose->regions;
316 
317 	uint pci_agent = (host_agent == 6);
318 	uint pci_speed = 66666000; /*get_clock_freq (); PCI PSPEED in [4:5] */
319 	uint pci_32 = 1;
320 	uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;	/* PORDEVSR[14] */
321 	uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;	/* PORPLLSR[16] */
322 
323 
324 	if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
325 		printf ("\n    PCI: %d bit, %s MHz, %s, %s, %s (base address %x)\n",
326 			(pci_32) ? 32 : 64,
327 			(pci_speed == 33333000) ? "33" :
328 			(pci_speed == 66666000) ? "66" : "unknown",
329 			pci_clk_sel ? "sync" : "async",
330 			pci_agent ? "agent" : "host",
331 			pci_arb ? "arbiter" : "external-arbiter",
332 			(uint)pci
333 			);
334 
335 		/* inbound */
336 		r += fsl_pci_setup_inbound_windows(r);
337 
338 		/* outbound memory */
339 		pci_set_region(r++,
340 			       CONFIG_SYS_PCI1_MEM_BASE,
341 			       CONFIG_SYS_PCI1_MEM_PHYS,
342 			       CONFIG_SYS_PCI1_MEM_SIZE,
343 			       PCI_REGION_MEM);
344 
345 		/* outbound io */
346 		pci_set_region(r++,
347 			       CONFIG_SYS_PCI1_IO_BASE,
348 			       CONFIG_SYS_PCI1_IO_PHYS,
349 			       CONFIG_SYS_PCI1_IO_SIZE,
350 			       PCI_REGION_IO);
351 
352 #ifdef CONFIG_SYS_PCIE3_MEM_BASE2
353 		/* outbound memory */
354 		pci_set_region(r++,
355 			       CONFIG_SYS_PCIE3_MEM_BASE2,
356 			       CONFIG_SYS_PCIE3_MEM_PHYS2,
357 			       CONFIG_SYS_PCIE3_MEM_SIZE2,
358 			       PCI_REGION_MEM);
359 #endif
360 		hose->region_count = r - hose->regions;
361 		hose->first_busno=first_free_busno;
362 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
363 
364 		fsl_pci_init(hose);
365 		first_free_busno=hose->last_busno+1;
366 		printf ("PCI on bus %02x - %02x\n",
367 			hose->first_busno,hose->last_busno);
368 	} else {
369 		printf ("    PCI: disabled\n");
370 	}
371 }
372 #else
373 	gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
374 #endif
375 }
376 
377 
378 int last_stage_init(void)
379 {
380 	return 0;
381 }
382 
383 
384 unsigned long
385 get_board_sys_clk(ulong dummy)
386 {
387 	u8 i, go_bit, rd_clks;
388 	ulong val = 0;
389 
390 	go_bit = in8(PIXIS_BASE + PIXIS_VCTL);
391 	go_bit &= 0x01;
392 
393 	rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0);
394 	rd_clks &= 0x1C;
395 
396 	/*
397 	 * Only if both go bit and the SCLK bit in VCFGEN0 are set
398 	 * should we be using the AUX register. Remember, we also set the
399 	 * GO bit to boot from the alternate bank on the on-board flash
400 	 */
401 
402 	if (go_bit) {
403 		if (rd_clks == 0x1c)
404 			i = in8(PIXIS_BASE + PIXIS_AUX);
405 		else
406 			i = in8(PIXIS_BASE + PIXIS_SPD);
407 	} else {
408 		i = in8(PIXIS_BASE + PIXIS_SPD);
409 	}
410 
411 	i &= 0x07;
412 
413 	switch (i) {
414 	case 0:
415 		val = 33333333;
416 		break;
417 	case 1:
418 		val = 40000000;
419 		break;
420 	case 2:
421 		val = 50000000;
422 		break;
423 	case 3:
424 		val = 66666666;
425 		break;
426 	case 4:
427 		val = 83000000;
428 		break;
429 	case 5:
430 		val = 100000000;
431 		break;
432 	case 6:
433 		val = 133333333;
434 		break;
435 	case 7:
436 		val = 166666666;
437 		break;
438 	}
439 
440 	return val;
441 }
442 
443 int board_eth_init(bd_t *bis)
444 {
445 #ifdef CONFIG_TSEC_ENET
446 	struct tsec_info_struct tsec_info[2];
447 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
448 	uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
449 	int num = 0;
450 
451 #ifdef CONFIG_TSEC1
452 	SET_STD_TSEC_INFO(tsec_info[num], 1);
453 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
454 		tsec_info[num].flags |= TSEC_SGMII;
455 	num++;
456 #endif
457 #ifdef CONFIG_TSEC3
458 	SET_STD_TSEC_INFO(tsec_info[num], 3);
459 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
460 		tsec_info[num].flags |= TSEC_SGMII;
461 	num++;
462 #endif
463 
464 	if (!num) {
465 		printf("No TSECs initialized\n");
466 
467 		return 0;
468 	}
469 
470 	if (io_sel & 1)
471 		fsl_sgmii_riser_init(tsec_info, num);
472 
473 
474 	tsec_eth_init(bis, tsec_info, num);
475 #endif
476 	return pci_eth_init(bis);
477 }
478 
479 #if defined(CONFIG_OF_BOARD_SETUP)
480 extern void ft_fsl_pci_setup(void *blob, const char *pci_alias,
481 			struct pci_controller *hose);
482 
483 void ft_board_setup(void *blob, bd_t *bd)
484 {
485 	ft_cpu_setup(blob, bd);
486 
487 
488 #ifdef CONFIG_PCI1
489 	ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
490 #endif
491 #ifdef CONFIG_PCIE2
492 	ft_fsl_pci_setup(blob, "pci1", &pcie1_hose);
493 #endif
494 #ifdef CONFIG_PCIE1
495 	ft_fsl_pci_setup(blob, "pci2", &pcie3_hose);
496 #endif
497 #ifdef CONFIG_PCIE3
498 	ft_fsl_pci_setup(blob, "pci3", &pcie2_hose);
499 #endif
500 }
501 #endif
502