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/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 int first_free_busno=0;
97 
98 void
99 pci_init_board(void)
100 {
101 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
102 	uint devdisr = gur->devdisr;
103 	uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
104 	uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
105 
106 	debug ("   pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
107 		devdisr, io_sel, host_agent);
108 
109 	if (io_sel & 1) {
110 		if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
111 			printf ("    eTSEC1 is in sgmii mode.\n");
112 		if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
113 			printf ("    eTSEC3 is in sgmii mode.\n");
114 	}
115 
116 #ifdef CONFIG_PCIE3
117 {
118 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
119 	struct pci_controller *hose = &pcie3_hose;
120 	int pcie_ep = (host_agent == 1);
121 	int pcie_configured  = io_sel >= 6;
122 	struct pci_region *r = hose->regions;
123 
124 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
125 		printf ("\n    PCIE3 connected to ULI as %s (base address %x)",
126 			pcie_ep ? "End Point" : "Root Complex",
127 			(uint)pci);
128 		if (pci->pme_msg_det) {
129 			pci->pme_msg_det = 0xffffffff;
130 			debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
131 		}
132 		printf ("\n");
133 
134 		/* inbound */
135 		r += fsl_pci_setup_inbound_windows(r);
136 
137 		/* outbound memory */
138 		pci_set_region(r++,
139 			       CONFIG_SYS_PCIE3_MEM_BUS,
140 			       CONFIG_SYS_PCIE3_MEM_PHYS,
141 			       CONFIG_SYS_PCIE3_MEM_SIZE,
142 			       PCI_REGION_MEM);
143 
144 		/* outbound io */
145 		pci_set_region(r++,
146 			       CONFIG_SYS_PCIE3_IO_BUS,
147 			       CONFIG_SYS_PCIE3_IO_PHYS,
148 			       CONFIG_SYS_PCIE3_IO_SIZE,
149 			       PCI_REGION_IO);
150 
151 #ifdef CONFIG_SYS_PCIE3_MEM_BUS2
152 		/* outbound memory */
153 		pci_set_region(r++,
154 			       CONFIG_SYS_PCIE3_MEM_BUS2,
155 			       CONFIG_SYS_PCIE3_MEM_PHYS2,
156 			       CONFIG_SYS_PCIE3_MEM_SIZE2,
157 			       PCI_REGION_MEM);
158 #endif
159 		hose->region_count = r - hose->regions;
160 		hose->first_busno=first_free_busno;
161 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
162 
163 		fsl_pci_init(hose);
164 
165 		first_free_busno=hose->last_busno+1;
166 		printf ("    PCIE3 on bus %02x - %02x\n",
167 			hose->first_busno,hose->last_busno);
168 
169 		/*
170 		 * Activate ULI1575 legacy chip by performing a fake
171 		 * memory access.  Needed to make ULI RTC work.
172 		 */
173 		in_be32((u32 *)CONFIG_SYS_PCIE3_MEM_BUS);
174 	} else {
175 		printf ("    PCIE3: disabled\n");
176 	}
177 
178  }
179 #else
180 	gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
181 #endif
182 
183 #ifdef CONFIG_PCIE1
184  {
185 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
186 	struct pci_controller *hose = &pcie1_hose;
187 	int pcie_ep = (host_agent == 5);
188 	int pcie_configured  = io_sel >= 2;
189 	struct pci_region *r = hose->regions;
190 
191 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
192 		printf ("\n    PCIE1 connected to Slot2 as %s (base address %x)",
193 			pcie_ep ? "End Point" : "Root Complex",
194 			(uint)pci);
195 		if (pci->pme_msg_det) {
196 			pci->pme_msg_det = 0xffffffff;
197 			debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
198 		}
199 		printf ("\n");
200 
201 		/* inbound */
202 		r += fsl_pci_setup_inbound_windows(r);
203 
204 		/* outbound memory */
205 		pci_set_region(r++,
206 			       CONFIG_SYS_PCIE1_MEM_BUS,
207 			       CONFIG_SYS_PCIE1_MEM_PHYS,
208 			       CONFIG_SYS_PCIE1_MEM_SIZE,
209 			       PCI_REGION_MEM);
210 
211 		/* outbound io */
212 		pci_set_region(r++,
213 			       CONFIG_SYS_PCIE1_IO_BUS,
214 			       CONFIG_SYS_PCIE1_IO_PHYS,
215 			       CONFIG_SYS_PCIE1_IO_SIZE,
216 			       PCI_REGION_IO);
217 
218 #ifdef CONFIG_SYS_PCIE1_MEM_BUS2
219 		/* outbound memory */
220 		pci_set_region(r++,
221 			       CONFIG_SYS_PCIE1_MEM_BUS2,
222 			       CONFIG_SYS_PCIE1_MEM_PHYS2,
223 			       CONFIG_SYS_PCIE1_MEM_SIZE2,
224 			       PCI_REGION_MEM);
225 #endif
226 		hose->region_count = r - hose->regions;
227 		hose->first_busno=first_free_busno;
228 
229 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
230 
231 		fsl_pci_init(hose);
232 
233 		first_free_busno=hose->last_busno+1;
234 		printf("    PCIE1 on bus %02x - %02x\n",
235 		       hose->first_busno,hose->last_busno);
236 
237 	} else {
238 		printf ("    PCIE1: disabled\n");
239 	}
240 
241  }
242 #else
243 	gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
244 #endif
245 
246 #ifdef CONFIG_PCIE2
247  {
248 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
249 	struct pci_controller *hose = &pcie2_hose;
250 	int pcie_ep = (host_agent == 3);
251 	int pcie_configured  = io_sel >= 4;
252 	struct pci_region *r = hose->regions;
253 
254 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
255 		printf ("\n    PCIE2 connected to Slot 1 as %s (base address %x)",
256 			pcie_ep ? "End Point" : "Root Complex",
257 			(uint)pci);
258 		if (pci->pme_msg_det) {
259 			pci->pme_msg_det = 0xffffffff;
260 			debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
261 		}
262 		printf ("\n");
263 
264 		/* inbound */
265 		r += fsl_pci_setup_inbound_windows(r);
266 
267 		/* outbound memory */
268 		pci_set_region(r++,
269 			       CONFIG_SYS_PCIE2_MEM_BUS,
270 			       CONFIG_SYS_PCIE2_MEM_PHYS,
271 			       CONFIG_SYS_PCIE2_MEM_SIZE,
272 			       PCI_REGION_MEM);
273 
274 		/* outbound io */
275 		pci_set_region(r++,
276 			       CONFIG_SYS_PCIE2_IO_BUS,
277 			       CONFIG_SYS_PCIE2_IO_PHYS,
278 			       CONFIG_SYS_PCIE2_IO_SIZE,
279 			       PCI_REGION_IO);
280 
281 #ifdef CONFIG_SYS_PCIE2_MEM_BUS2
282 		/* outbound memory */
283 		pci_set_region(r++,
284 			       CONFIG_SYS_PCIE2_MEM_BUS2,
285 			       CONFIG_SYS_PCIE2_MEM_PHYS2,
286 			       CONFIG_SYS_PCIE2_MEM_SIZE2,
287 			       PCI_REGION_MEM);
288 #endif
289 		hose->region_count = r - hose->regions;
290 		hose->first_busno=first_free_busno;
291 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
292 
293 		fsl_pci_init(hose);
294 		first_free_busno=hose->last_busno+1;
295 		printf ("    PCIE2 on bus %02x - %02x\n",
296 			hose->first_busno,hose->last_busno);
297 
298 	} else {
299 		printf ("    PCIE2: disabled\n");
300 	}
301 
302  }
303 #else
304 	gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
305 #endif
306 
307 
308 #ifdef CONFIG_PCI1
309 {
310 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
311 	struct pci_controller *hose = &pci1_hose;
312 	struct pci_region *r = hose->regions;
313 
314 	uint pci_agent = (host_agent == 6);
315 	uint pci_speed = 66666000; /*get_clock_freq (); PCI PSPEED in [4:5] */
316 	uint pci_32 = 1;
317 	uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;	/* PORDEVSR[14] */
318 	uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;	/* PORPLLSR[16] */
319 
320 
321 	if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
322 		printf ("\n    PCI: %d bit, %s MHz, %s, %s, %s (base address %x)\n",
323 			(pci_32) ? 32 : 64,
324 			(pci_speed == 33333000) ? "33" :
325 			(pci_speed == 66666000) ? "66" : "unknown",
326 			pci_clk_sel ? "sync" : "async",
327 			pci_agent ? "agent" : "host",
328 			pci_arb ? "arbiter" : "external-arbiter",
329 			(uint)pci
330 			);
331 
332 		/* inbound */
333 		r += fsl_pci_setup_inbound_windows(r);
334 
335 		/* outbound memory */
336 		pci_set_region(r++,
337 			       CONFIG_SYS_PCI1_MEM_BUS,
338 			       CONFIG_SYS_PCI1_MEM_PHYS,
339 			       CONFIG_SYS_PCI1_MEM_SIZE,
340 			       PCI_REGION_MEM);
341 
342 		/* outbound io */
343 		pci_set_region(r++,
344 			       CONFIG_SYS_PCI1_IO_BUS,
345 			       CONFIG_SYS_PCI1_IO_PHYS,
346 			       CONFIG_SYS_PCI1_IO_SIZE,
347 			       PCI_REGION_IO);
348 
349 #ifdef CONFIG_SYS_PCIE3_MEM_BUS2
350 		/* outbound memory */
351 		pci_set_region(r++,
352 			       CONFIG_SYS_PCIE3_MEM_BUS2,
353 			       CONFIG_SYS_PCIE3_MEM_PHYS2,
354 			       CONFIG_SYS_PCIE3_MEM_SIZE2,
355 			       PCI_REGION_MEM);
356 #endif
357 		hose->region_count = r - hose->regions;
358 		hose->first_busno=first_free_busno;
359 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
360 
361 		fsl_pci_init(hose);
362 		first_free_busno=hose->last_busno+1;
363 		printf ("PCI on bus %02x - %02x\n",
364 			hose->first_busno,hose->last_busno);
365 	} else {
366 		printf ("    PCI: disabled\n");
367 	}
368 }
369 #else
370 	gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
371 #endif
372 }
373 
374 
375 int last_stage_init(void)
376 {
377 	return 0;
378 }
379 
380 
381 unsigned long
382 get_board_sys_clk(ulong dummy)
383 {
384 	u8 i, go_bit, rd_clks;
385 	ulong val = 0;
386 
387 	go_bit = in8(PIXIS_BASE + PIXIS_VCTL);
388 	go_bit &= 0x01;
389 
390 	rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0);
391 	rd_clks &= 0x1C;
392 
393 	/*
394 	 * Only if both go bit and the SCLK bit in VCFGEN0 are set
395 	 * should we be using the AUX register. Remember, we also set the
396 	 * GO bit to boot from the alternate bank on the on-board flash
397 	 */
398 
399 	if (go_bit) {
400 		if (rd_clks == 0x1c)
401 			i = in8(PIXIS_BASE + PIXIS_AUX);
402 		else
403 			i = in8(PIXIS_BASE + PIXIS_SPD);
404 	} else {
405 		i = in8(PIXIS_BASE + PIXIS_SPD);
406 	}
407 
408 	i &= 0x07;
409 
410 	switch (i) {
411 	case 0:
412 		val = 33333333;
413 		break;
414 	case 1:
415 		val = 40000000;
416 		break;
417 	case 2:
418 		val = 50000000;
419 		break;
420 	case 3:
421 		val = 66666666;
422 		break;
423 	case 4:
424 		val = 83000000;
425 		break;
426 	case 5:
427 		val = 100000000;
428 		break;
429 	case 6:
430 		val = 133333333;
431 		break;
432 	case 7:
433 		val = 166666666;
434 		break;
435 	}
436 
437 	return val;
438 }
439 
440 int board_eth_init(bd_t *bis)
441 {
442 #ifdef CONFIG_TSEC_ENET
443 	struct tsec_info_struct tsec_info[2];
444 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
445 	uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
446 	int num = 0;
447 
448 #ifdef CONFIG_TSEC1
449 	SET_STD_TSEC_INFO(tsec_info[num], 1);
450 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
451 		tsec_info[num].flags |= TSEC_SGMII;
452 	num++;
453 #endif
454 #ifdef CONFIG_TSEC3
455 	SET_STD_TSEC_INFO(tsec_info[num], 3);
456 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
457 		tsec_info[num].flags |= TSEC_SGMII;
458 	num++;
459 #endif
460 
461 	if (!num) {
462 		printf("No TSECs initialized\n");
463 
464 		return 0;
465 	}
466 
467 	if (io_sel & 1)
468 		fsl_sgmii_riser_init(tsec_info, num);
469 
470 
471 	tsec_eth_init(bis, tsec_info, num);
472 #endif
473 	return pci_eth_init(bis);
474 }
475 
476 #if defined(CONFIG_OF_BOARD_SETUP)
477 void ft_board_setup(void *blob, bd_t *bd)
478 {
479 	ft_cpu_setup(blob, bd);
480 
481 
482 #ifdef CONFIG_PCI1
483 	ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
484 #endif
485 #ifdef CONFIG_PCIE2
486 	ft_fsl_pci_setup(blob, "pci1", &pcie1_hose);
487 #endif
488 #ifdef CONFIG_PCIE1
489 	ft_fsl_pci_setup(blob, "pci2", &pcie3_hose);
490 #endif
491 #ifdef CONFIG_PCIE3
492 	ft_fsl_pci_setup(blob, "pci3", &pcie2_hose);
493 #endif
494 #ifdef CONFIG_FSL_SGMII_RISER
495 	fsl_sgmii_riser_fdt_fixup(blob);
496 #endif
497 }
498 #endif
499