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ppc/8xxx: Refactor code to determine if PCI is enabled & agent/host
[people/ms/u-boot.git] / board / freescale / mpc8544ds / mpc8544ds.c
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