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 	u8 vboot;
47 	u8 *pixis_base = (u8 *)PIXIS_BASE;
48 
49 	if ((uint)&gur->porpllsr != 0xe00e0000) {
50 		printf("immap size error %lx\n",(ulong)&gur->porpllsr);
51 	}
52 	printf ("Board: MPC8544DS, Sys ID: 0x%02x, "
53 		"Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
54 		in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
55 		in_8(pixis_base + PIXIS_PVER));
56 
57 	vboot = in_8(pixis_base + PIXIS_VBOOT);
58 	if (vboot & PIXIS_VBOOT_FMAP)
59 		printf ("vBank: %d\n", ((vboot & PIXIS_VBOOT_FBANK) >> 6));
60 	else
61 		puts ("Promjet\n");
62 
63 	lbc->ltesr = 0xffffffff;	/* Clear LBC error interrupts */
64 	lbc->lteir = 0xffffffff;	/* Enable LBC error interrupts */
65 	ecm->eedr = 0xffffffff;		/* Clear ecm errors */
66 	ecm->eeer = 0xffffffff;		/* Enable ecm errors */
67 
68 	return 0;
69 }
70 
71 phys_size_t
72 initdram(int board_type)
73 {
74 	long dram_size = 0;
75 
76 	puts("Initializing\n");
77 
78 	dram_size = fsl_ddr_sdram();
79 
80 	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
81 
82 	dram_size *= 0x100000;
83 
84 	puts("    DDR: ");
85 	return dram_size;
86 }
87 
88 #ifdef CONFIG_PCI1
89 static struct pci_controller pci1_hose;
90 #endif
91 
92 #ifdef CONFIG_PCIE1
93 static struct pci_controller pcie1_hose;
94 #endif
95 
96 #ifdef CONFIG_PCIE2
97 static struct pci_controller pcie2_hose;
98 #endif
99 
100 #ifdef CONFIG_PCIE3
101 static struct pci_controller pcie3_hose;
102 #endif
103 
104 int first_free_busno=0;
105 
106 void
107 pci_init_board(void)
108 {
109 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
110 	uint devdisr = gur->devdisr;
111 	uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
112 	uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
113 
114 	debug ("   pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
115 		devdisr, io_sel, host_agent);
116 
117 	if (io_sel & 1) {
118 		if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
119 			printf ("    eTSEC1 is in sgmii mode.\n");
120 		if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
121 			printf ("    eTSEC3 is in sgmii mode.\n");
122 	}
123 
124 #ifdef CONFIG_PCIE3
125 {
126 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
127 	struct pci_controller *hose = &pcie3_hose;
128 	int pcie_ep = (host_agent == 1);
129 	int pcie_configured  = io_sel >= 6;
130 	struct pci_region *r = hose->regions;
131 
132 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
133 		printf ("\n    PCIE3 connected to ULI as %s (base address %x)",
134 			pcie_ep ? "End Point" : "Root Complex",
135 			(uint)pci);
136 		if (pci->pme_msg_det) {
137 			pci->pme_msg_det = 0xffffffff;
138 			debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
139 		}
140 		printf ("\n");
141 
142 		/* inbound */
143 		r += fsl_pci_setup_inbound_windows(r);
144 
145 		/* outbound memory */
146 		pci_set_region(r++,
147 			       CONFIG_SYS_PCIE3_MEM_BUS,
148 			       CONFIG_SYS_PCIE3_MEM_PHYS,
149 			       CONFIG_SYS_PCIE3_MEM_SIZE,
150 			       PCI_REGION_MEM);
151 
152 		/* outbound io */
153 		pci_set_region(r++,
154 			       CONFIG_SYS_PCIE3_IO_BUS,
155 			       CONFIG_SYS_PCIE3_IO_PHYS,
156 			       CONFIG_SYS_PCIE3_IO_SIZE,
157 			       PCI_REGION_IO);
158 
159 #ifdef CONFIG_SYS_PCIE3_MEM_BUS2
160 		/* outbound memory */
161 		pci_set_region(r++,
162 			       CONFIG_SYS_PCIE3_MEM_BUS2,
163 			       CONFIG_SYS_PCIE3_MEM_PHYS2,
164 			       CONFIG_SYS_PCIE3_MEM_SIZE2,
165 			       PCI_REGION_MEM);
166 #endif
167 		hose->region_count = r - hose->regions;
168 		hose->first_busno=first_free_busno;
169 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
170 
171 		fsl_pci_init(hose);
172 
173 		first_free_busno=hose->last_busno+1;
174 		printf ("    PCIE3 on bus %02x - %02x\n",
175 			hose->first_busno,hose->last_busno);
176 
177 		/*
178 		 * Activate ULI1575 legacy chip by performing a fake
179 		 * memory access.  Needed to make ULI RTC work.
180 		 */
181 		in_be32((u32 *)CONFIG_SYS_PCIE3_MEM_BUS);
182 	} else {
183 		printf ("    PCIE3: disabled\n");
184 	}
185 
186  }
187 #else
188 	gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
189 #endif
190 
191 #ifdef CONFIG_PCIE1
192  {
193 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
194 	struct pci_controller *hose = &pcie1_hose;
195 	int pcie_ep = (host_agent == 5);
196 	int pcie_configured  = io_sel >= 2;
197 	struct pci_region *r = hose->regions;
198 
199 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
200 		printf ("\n    PCIE1 connected to Slot2 as %s (base address %x)",
201 			pcie_ep ? "End Point" : "Root Complex",
202 			(uint)pci);
203 		if (pci->pme_msg_det) {
204 			pci->pme_msg_det = 0xffffffff;
205 			debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
206 		}
207 		printf ("\n");
208 
209 		/* inbound */
210 		r += fsl_pci_setup_inbound_windows(r);
211 
212 		/* outbound memory */
213 		pci_set_region(r++,
214 			       CONFIG_SYS_PCIE1_MEM_BUS,
215 			       CONFIG_SYS_PCIE1_MEM_PHYS,
216 			       CONFIG_SYS_PCIE1_MEM_SIZE,
217 			       PCI_REGION_MEM);
218 
219 		/* outbound io */
220 		pci_set_region(r++,
221 			       CONFIG_SYS_PCIE1_IO_BUS,
222 			       CONFIG_SYS_PCIE1_IO_PHYS,
223 			       CONFIG_SYS_PCIE1_IO_SIZE,
224 			       PCI_REGION_IO);
225 
226 #ifdef CONFIG_SYS_PCIE1_MEM_BUS2
227 		/* outbound memory */
228 		pci_set_region(r++,
229 			       CONFIG_SYS_PCIE1_MEM_BUS2,
230 			       CONFIG_SYS_PCIE1_MEM_PHYS2,
231 			       CONFIG_SYS_PCIE1_MEM_SIZE2,
232 			       PCI_REGION_MEM);
233 #endif
234 		hose->region_count = r - hose->regions;
235 		hose->first_busno=first_free_busno;
236 
237 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
238 
239 		fsl_pci_init(hose);
240 
241 		first_free_busno=hose->last_busno+1;
242 		printf("    PCIE1 on bus %02x - %02x\n",
243 		       hose->first_busno,hose->last_busno);
244 
245 	} else {
246 		printf ("    PCIE1: disabled\n");
247 	}
248 
249  }
250 #else
251 	gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
252 #endif
253 
254 #ifdef CONFIG_PCIE2
255  {
256 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
257 	struct pci_controller *hose = &pcie2_hose;
258 	int pcie_ep = (host_agent == 3);
259 	int pcie_configured  = io_sel >= 4;
260 	struct pci_region *r = hose->regions;
261 
262 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
263 		printf ("\n    PCIE2 connected to Slot 1 as %s (base address %x)",
264 			pcie_ep ? "End Point" : "Root Complex",
265 			(uint)pci);
266 		if (pci->pme_msg_det) {
267 			pci->pme_msg_det = 0xffffffff;
268 			debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
269 		}
270 		printf ("\n");
271 
272 		/* inbound */
273 		r += fsl_pci_setup_inbound_windows(r);
274 
275 		/* outbound memory */
276 		pci_set_region(r++,
277 			       CONFIG_SYS_PCIE2_MEM_BUS,
278 			       CONFIG_SYS_PCIE2_MEM_PHYS,
279 			       CONFIG_SYS_PCIE2_MEM_SIZE,
280 			       PCI_REGION_MEM);
281 
282 		/* outbound io */
283 		pci_set_region(r++,
284 			       CONFIG_SYS_PCIE2_IO_BUS,
285 			       CONFIG_SYS_PCIE2_IO_PHYS,
286 			       CONFIG_SYS_PCIE2_IO_SIZE,
287 			       PCI_REGION_IO);
288 
289 #ifdef CONFIG_SYS_PCIE2_MEM_BUS2
290 		/* outbound memory */
291 		pci_set_region(r++,
292 			       CONFIG_SYS_PCIE2_MEM_BUS2,
293 			       CONFIG_SYS_PCIE2_MEM_PHYS2,
294 			       CONFIG_SYS_PCIE2_MEM_SIZE2,
295 			       PCI_REGION_MEM);
296 #endif
297 		hose->region_count = r - hose->regions;
298 		hose->first_busno=first_free_busno;
299 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
300 
301 		fsl_pci_init(hose);
302 		first_free_busno=hose->last_busno+1;
303 		printf ("    PCIE2 on bus %02x - %02x\n",
304 			hose->first_busno,hose->last_busno);
305 
306 	} else {
307 		printf ("    PCIE2: disabled\n");
308 	}
309 
310  }
311 #else
312 	gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
313 #endif
314 
315 
316 #ifdef CONFIG_PCI1
317 {
318 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
319 	struct pci_controller *hose = &pci1_hose;
320 	struct pci_region *r = hose->regions;
321 
322 	uint pci_agent = (host_agent == 6);
323 	uint pci_speed = 66666000; /*get_clock_freq (); PCI PSPEED in [4:5] */
324 	uint pci_32 = 1;
325 	uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;	/* PORDEVSR[14] */
326 	uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;	/* PORPLLSR[16] */
327 
328 
329 	if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
330 		printf ("\n    PCI: %d bit, %s MHz, %s, %s, %s (base address %x)\n",
331 			(pci_32) ? 32 : 64,
332 			(pci_speed == 33333000) ? "33" :
333 			(pci_speed == 66666000) ? "66" : "unknown",
334 			pci_clk_sel ? "sync" : "async",
335 			pci_agent ? "agent" : "host",
336 			pci_arb ? "arbiter" : "external-arbiter",
337 			(uint)pci
338 			);
339 
340 		/* inbound */
341 		r += fsl_pci_setup_inbound_windows(r);
342 
343 		/* outbound memory */
344 		pci_set_region(r++,
345 			       CONFIG_SYS_PCI1_MEM_BUS,
346 			       CONFIG_SYS_PCI1_MEM_PHYS,
347 			       CONFIG_SYS_PCI1_MEM_SIZE,
348 			       PCI_REGION_MEM);
349 
350 		/* outbound io */
351 		pci_set_region(r++,
352 			       CONFIG_SYS_PCI1_IO_BUS,
353 			       CONFIG_SYS_PCI1_IO_PHYS,
354 			       CONFIG_SYS_PCI1_IO_SIZE,
355 			       PCI_REGION_IO);
356 
357 #ifdef CONFIG_SYS_PCIE3_MEM_BUS2
358 		/* outbound memory */
359 		pci_set_region(r++,
360 			       CONFIG_SYS_PCIE3_MEM_BUS2,
361 			       CONFIG_SYS_PCIE3_MEM_PHYS2,
362 			       CONFIG_SYS_PCIE3_MEM_SIZE2,
363 			       PCI_REGION_MEM);
364 #endif
365 		hose->region_count = r - hose->regions;
366 		hose->first_busno=first_free_busno;
367 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
368 
369 		fsl_pci_init(hose);
370 		first_free_busno=hose->last_busno+1;
371 		printf ("PCI on bus %02x - %02x\n",
372 			hose->first_busno,hose->last_busno);
373 	} else {
374 		printf ("    PCI: disabled\n");
375 	}
376 }
377 #else
378 	gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
379 #endif
380 }
381 
382 
383 int last_stage_init(void)
384 {
385 	return 0;
386 }
387 
388 
389 unsigned long
390 get_board_sys_clk(ulong dummy)
391 {
392 	u8 i, go_bit, rd_clks;
393 	ulong val = 0;
394 	u8 *pixis_base = (u8 *)PIXIS_BASE;
395 
396 	go_bit = in_8(pixis_base + PIXIS_VCTL);
397 	go_bit &= 0x01;
398 
399 	rd_clks = in_8(pixis_base + PIXIS_VCFGEN0);
400 	rd_clks &= 0x1C;
401 
402 	/*
403 	 * Only if both go bit and the SCLK bit in VCFGEN0 are set
404 	 * should we be using the AUX register. Remember, we also set the
405 	 * GO bit to boot from the alternate bank on the on-board flash
406 	 */
407 
408 	if (go_bit) {
409 		if (rd_clks == 0x1c)
410 			i = in_8(pixis_base + PIXIS_AUX);
411 		else
412 			i = in_8(pixis_base + PIXIS_SPD);
413 	} else {
414 		i = in_8(pixis_base + PIXIS_SPD);
415 	}
416 
417 	i &= 0x07;
418 
419 	switch (i) {
420 	case 0:
421 		val = 33333333;
422 		break;
423 	case 1:
424 		val = 40000000;
425 		break;
426 	case 2:
427 		val = 50000000;
428 		break;
429 	case 3:
430 		val = 66666666;
431 		break;
432 	case 4:
433 		val = 83000000;
434 		break;
435 	case 5:
436 		val = 100000000;
437 		break;
438 	case 6:
439 		val = 133333333;
440 		break;
441 	case 7:
442 		val = 166666666;
443 		break;
444 	}
445 
446 	return val;
447 }
448 
449 int board_eth_init(bd_t *bis)
450 {
451 #ifdef CONFIG_TSEC_ENET
452 	struct tsec_info_struct tsec_info[2];
453 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
454 	uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
455 	int num = 0;
456 
457 #ifdef CONFIG_TSEC1
458 	SET_STD_TSEC_INFO(tsec_info[num], 1);
459 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
460 		tsec_info[num].flags |= TSEC_SGMII;
461 	num++;
462 #endif
463 #ifdef CONFIG_TSEC3
464 	SET_STD_TSEC_INFO(tsec_info[num], 3);
465 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
466 		tsec_info[num].flags |= TSEC_SGMII;
467 	num++;
468 #endif
469 
470 	if (!num) {
471 		printf("No TSECs initialized\n");
472 
473 		return 0;
474 	}
475 
476 	if (io_sel & 1)
477 		fsl_sgmii_riser_init(tsec_info, num);
478 
479 
480 	tsec_eth_init(bis, tsec_info, num);
481 #endif
482 	return pci_eth_init(bis);
483 }
484 
485 #if defined(CONFIG_OF_BOARD_SETUP)
486 void ft_board_setup(void *blob, bd_t *bd)
487 {
488 	ft_cpu_setup(blob, bd);
489 
490 
491 #ifdef CONFIG_PCI1
492 	ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
493 #endif
494 #ifdef CONFIG_PCIE2
495 	ft_fsl_pci_setup(blob, "pci1", &pcie1_hose);
496 #endif
497 #ifdef CONFIG_PCIE1
498 	ft_fsl_pci_setup(blob, "pci2", &pcie3_hose);
499 #endif
500 #ifdef CONFIG_PCIE3
501 	ft_fsl_pci_setup(blob, "pci3", &pcie2_hose);
502 #endif
503 #ifdef CONFIG_FSL_SGMII_RISER
504 	fsl_sgmii_riser_fdt_fixup(blob);
505 #endif
506 }
507 #endif
508