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 = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_3, host_agent);
129 	int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
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 		/* outbound memory */
143 		pci_set_region(r++,
144 			       CONFIG_SYS_PCIE3_MEM_BUS,
145 			       CONFIG_SYS_PCIE3_MEM_PHYS,
146 			       CONFIG_SYS_PCIE3_MEM_SIZE,
147 			       PCI_REGION_MEM);
148 
149 		/* outbound io */
150 		pci_set_region(r++,
151 			       CONFIG_SYS_PCIE3_IO_BUS,
152 			       CONFIG_SYS_PCIE3_IO_PHYS,
153 			       CONFIG_SYS_PCIE3_IO_SIZE,
154 			       PCI_REGION_IO);
155 
156 #ifdef CONFIG_SYS_PCIE3_MEM_BUS2
157 		/* outbound memory */
158 		pci_set_region(r++,
159 			       CONFIG_SYS_PCIE3_MEM_BUS2,
160 			       CONFIG_SYS_PCIE3_MEM_PHYS2,
161 			       CONFIG_SYS_PCIE3_MEM_SIZE2,
162 			       PCI_REGION_MEM);
163 #endif
164 		hose->region_count = r - hose->regions;
165 		hose->first_busno=first_free_busno;
166 
167 		fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
168 
169 		first_free_busno=hose->last_busno+1;
170 		printf ("    PCIE3 on bus %02x - %02x\n",
171 			hose->first_busno,hose->last_busno);
172 
173 		/*
174 		 * Activate ULI1575 legacy chip by performing a fake
175 		 * memory access.  Needed to make ULI RTC work.
176 		 */
177 		in_be32((u32 *)CONFIG_SYS_PCIE3_MEM_BUS);
178 	} else {
179 		printf ("    PCIE3: disabled\n");
180 	}
181 
182  }
183 #else
184 	gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
185 #endif
186 
187 #ifdef CONFIG_PCIE1
188  {
189 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
190 	struct pci_controller *hose = &pcie1_hose;
191 	int pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_1, host_agent);
192 	int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
193 	struct pci_region *r = hose->regions;
194 
195 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
196 		printf ("\n    PCIE1 connected to Slot2 as %s (base address %x)",
197 			pcie_ep ? "End Point" : "Root Complex",
198 			(uint)pci);
199 		if (pci->pme_msg_det) {
200 			pci->pme_msg_det = 0xffffffff;
201 			debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
202 		}
203 		printf ("\n");
204 
205 		/* outbound memory */
206 		pci_set_region(r++,
207 			       CONFIG_SYS_PCIE1_MEM_BUS,
208 			       CONFIG_SYS_PCIE1_MEM_PHYS,
209 			       CONFIG_SYS_PCIE1_MEM_SIZE,
210 			       PCI_REGION_MEM);
211 
212 		/* outbound io */
213 		pci_set_region(r++,
214 			       CONFIG_SYS_PCIE1_IO_BUS,
215 			       CONFIG_SYS_PCIE1_IO_PHYS,
216 			       CONFIG_SYS_PCIE1_IO_SIZE,
217 			       PCI_REGION_IO);
218 
219 #ifdef CONFIG_SYS_PCIE1_MEM_BUS2
220 		/* outbound memory */
221 		pci_set_region(r++,
222 			       CONFIG_SYS_PCIE1_MEM_BUS2,
223 			       CONFIG_SYS_PCIE1_MEM_PHYS2,
224 			       CONFIG_SYS_PCIE1_MEM_SIZE2,
225 			       PCI_REGION_MEM);
226 #endif
227 		hose->region_count = r - hose->regions;
228 		hose->first_busno=first_free_busno;
229 
230 		fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
231 
232 		first_free_busno=hose->last_busno+1;
233 		printf("    PCIE1 on bus %02x - %02x\n",
234 		       hose->first_busno,hose->last_busno);
235 
236 	} else {
237 		printf ("    PCIE1: disabled\n");
238 	}
239 
240  }
241 #else
242 	gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
243 #endif
244 
245 #ifdef CONFIG_PCIE2
246  {
247 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
248 	struct pci_controller *hose = &pcie2_hose;
249 	int pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_2, host_agent);
250 	int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
251 	struct pci_region *r = hose->regions;
252 
253 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
254 		printf ("\n    PCIE2 connected to Slot 1 as %s (base address %x)",
255 			pcie_ep ? "End Point" : "Root Complex",
256 			(uint)pci);
257 		if (pci->pme_msg_det) {
258 			pci->pme_msg_det = 0xffffffff;
259 			debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
260 		}
261 		printf ("\n");
262 
263 		/* outbound memory */
264 		pci_set_region(r++,
265 			       CONFIG_SYS_PCIE2_MEM_BUS,
266 			       CONFIG_SYS_PCIE2_MEM_PHYS,
267 			       CONFIG_SYS_PCIE2_MEM_SIZE,
268 			       PCI_REGION_MEM);
269 
270 		/* outbound io */
271 		pci_set_region(r++,
272 			       CONFIG_SYS_PCIE2_IO_BUS,
273 			       CONFIG_SYS_PCIE2_IO_PHYS,
274 			       CONFIG_SYS_PCIE2_IO_SIZE,
275 			       PCI_REGION_IO);
276 
277 #ifdef CONFIG_SYS_PCIE2_MEM_BUS2
278 		/* outbound memory */
279 		pci_set_region(r++,
280 			       CONFIG_SYS_PCIE2_MEM_BUS2,
281 			       CONFIG_SYS_PCIE2_MEM_PHYS2,
282 			       CONFIG_SYS_PCIE2_MEM_SIZE2,
283 			       PCI_REGION_MEM);
284 #endif
285 		hose->region_count = r - hose->regions;
286 		hose->first_busno=first_free_busno;
287 
288 		fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
289 		first_free_busno=hose->last_busno+1;
290 		printf ("    PCIE2 on bus %02x - %02x\n",
291 			hose->first_busno,hose->last_busno);
292 
293 	} else {
294 		printf ("    PCIE2: disabled\n");
295 	}
296 
297  }
298 #else
299 	gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
300 #endif
301 
302 
303 #ifdef CONFIG_PCI1
304 {
305 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
306 	struct pci_controller *hose = &pci1_hose;
307 	struct pci_region *r = hose->regions;
308 
309 	uint pci_agent = is_fsl_pci_agent(LAW_TRGT_IF_PCI, host_agent);
310 	uint pci_speed = 66666000; /*get_clock_freq (); PCI PSPEED in [4:5] */
311 	uint pci_32 = 1;
312 	uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;	/* PORDEVSR[14] */
313 	uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;	/* PORPLLSR[16] */
314 
315 
316 	if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
317 		printf ("\n    PCI: %d bit, %s MHz, %s, %s, %s (base address %x)\n",
318 			(pci_32) ? 32 : 64,
319 			(pci_speed == 33333000) ? "33" :
320 			(pci_speed == 66666000) ? "66" : "unknown",
321 			pci_clk_sel ? "sync" : "async",
322 			pci_agent ? "agent" : "host",
323 			pci_arb ? "arbiter" : "external-arbiter",
324 			(uint)pci
325 			);
326 
327 		/* outbound memory */
328 		pci_set_region(r++,
329 			       CONFIG_SYS_PCI1_MEM_BUS,
330 			       CONFIG_SYS_PCI1_MEM_PHYS,
331 			       CONFIG_SYS_PCI1_MEM_SIZE,
332 			       PCI_REGION_MEM);
333 
334 		/* outbound io */
335 		pci_set_region(r++,
336 			       CONFIG_SYS_PCI1_IO_BUS,
337 			       CONFIG_SYS_PCI1_IO_PHYS,
338 			       CONFIG_SYS_PCI1_IO_SIZE,
339 			       PCI_REGION_IO);
340 
341 #ifdef CONFIG_SYS_PCIE3_MEM_BUS2
342 		/* outbound memory */
343 		pci_set_region(r++,
344 			       CONFIG_SYS_PCIE3_MEM_BUS2,
345 			       CONFIG_SYS_PCIE3_MEM_PHYS2,
346 			       CONFIG_SYS_PCIE3_MEM_SIZE2,
347 			       PCI_REGION_MEM);
348 #endif
349 		hose->region_count = r - hose->regions;
350 		hose->first_busno=first_free_busno;
351 
352 		fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
353 		first_free_busno=hose->last_busno+1;
354 		printf ("PCI on bus %02x - %02x\n",
355 			hose->first_busno,hose->last_busno);
356 	} else {
357 		printf ("    PCI: disabled\n");
358 	}
359 }
360 #else
361 	gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
362 #endif
363 }
364 
365 
366 int last_stage_init(void)
367 {
368 	return 0;
369 }
370 
371 
372 unsigned long
373 get_board_sys_clk(ulong dummy)
374 {
375 	u8 i, go_bit, rd_clks;
376 	ulong val = 0;
377 	u8 *pixis_base = (u8 *)PIXIS_BASE;
378 
379 	go_bit = in_8(pixis_base + PIXIS_VCTL);
380 	go_bit &= 0x01;
381 
382 	rd_clks = in_8(pixis_base + PIXIS_VCFGEN0);
383 	rd_clks &= 0x1C;
384 
385 	/*
386 	 * Only if both go bit and the SCLK bit in VCFGEN0 are set
387 	 * should we be using the AUX register. Remember, we also set the
388 	 * GO bit to boot from the alternate bank on the on-board flash
389 	 */
390 
391 	if (go_bit) {
392 		if (rd_clks == 0x1c)
393 			i = in_8(pixis_base + PIXIS_AUX);
394 		else
395 			i = in_8(pixis_base + PIXIS_SPD);
396 	} else {
397 		i = in_8(pixis_base + PIXIS_SPD);
398 	}
399 
400 	i &= 0x07;
401 
402 	switch (i) {
403 	case 0:
404 		val = 33333333;
405 		break;
406 	case 1:
407 		val = 40000000;
408 		break;
409 	case 2:
410 		val = 50000000;
411 		break;
412 	case 3:
413 		val = 66666666;
414 		break;
415 	case 4:
416 		val = 83000000;
417 		break;
418 	case 5:
419 		val = 100000000;
420 		break;
421 	case 6:
422 		val = 133333333;
423 		break;
424 	case 7:
425 		val = 166666666;
426 		break;
427 	}
428 
429 	return val;
430 }
431 
432 int board_eth_init(bd_t *bis)
433 {
434 #ifdef CONFIG_TSEC_ENET
435 	struct tsec_info_struct tsec_info[2];
436 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
437 	uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
438 	int num = 0;
439 
440 #ifdef CONFIG_TSEC1
441 	SET_STD_TSEC_INFO(tsec_info[num], 1);
442 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
443 		tsec_info[num].flags |= TSEC_SGMII;
444 	num++;
445 #endif
446 #ifdef CONFIG_TSEC3
447 	SET_STD_TSEC_INFO(tsec_info[num], 3);
448 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
449 		tsec_info[num].flags |= TSEC_SGMII;
450 	num++;
451 #endif
452 
453 	if (!num) {
454 		printf("No TSECs initialized\n");
455 
456 		return 0;
457 	}
458 
459 	if (io_sel & 1)
460 		fsl_sgmii_riser_init(tsec_info, num);
461 
462 
463 	tsec_eth_init(bis, tsec_info, num);
464 #endif
465 	return pci_eth_init(bis);
466 }
467 
468 #if defined(CONFIG_OF_BOARD_SETUP)
469 void ft_board_setup(void *blob, bd_t *bd)
470 {
471 	ft_cpu_setup(blob, bd);
472 
473 
474 #ifdef CONFIG_PCI1
475 	ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
476 #endif
477 #ifdef CONFIG_PCIE2
478 	ft_fsl_pci_setup(blob, "pci1", &pcie1_hose);
479 #endif
480 #ifdef CONFIG_PCIE1
481 	ft_fsl_pci_setup(blob, "pci2", &pcie3_hose);
482 #endif
483 #ifdef CONFIG_PCIE3
484 	ft_fsl_pci_setup(blob, "pci3", &pcie2_hose);
485 #endif
486 #ifdef CONFIG_FSL_SGMII_RISER
487 	fsl_sgmii_riser_fdt_fixup(blob);
488 #endif
489 }
490 #endif
491