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7
8#include <common.h>
9#include <pci.h>
10#include <asm/processor.h>
11#include <asm/mmu.h>
12#include <asm/immap_85xx.h>
13#include <fsl_ddr_sdram.h>
14#include <ioports.h>
15#include <spd_sdram.h>
16#include <linux/libfdt.h>
17#include <fdt_support.h>
18
19#include "../common/cadmus.h"
20#include "../common/eeprom.h"
21#include "../common/via.h"
22
23#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
24extern void ddr_enable_ecc(unsigned int dram_size);
25#endif
26
27void local_bus_init(void);
28
29
30
31
32
33
34
35
36const iop_conf_t iop_conf_tab[4][32] = {
37
38
39 {
40 { 0, 1, 0, 1, 0, 0 },
41 { 0, 1, 0, 0, 0, 0 },
42 { 0, 1, 0, 1, 0, 0 },
43 { 0, 1, 0, 1, 0, 0 },
44 { 0, 1, 0, 0, 0, 0 },
45 { 0, 1, 0, 0, 0, 0 },
46 { 0, 1, 0, 1, 0, 0 },
47 { 0, 1, 0, 1, 0, 0 },
48 { 0, 1, 0, 1, 0, 0 },
49 { 0, 1, 0, 1, 0, 0 },
50 { 0, 1, 0, 1, 0, 0 },
51 { 0, 1, 0, 1, 0, 0 },
52 { 0, 1, 0, 1, 0, 0 },
53 { 0, 1, 0, 1, 0, 0 },
54 { 0, 1, 0, 0, 0, 0 },
55 { 0, 1, 0, 0, 0, 0 },
56 { 0, 1, 0, 0, 0, 0 },
57 { 0, 1, 0, 0, 0, 0 },
58 { 0, 1, 0, 0, 0, 0 },
59 { 0, 1, 0, 0, 0, 0 },
60 { 0, 1, 0, 0, 0, 0 },
61 { 0, 1, 0, 0, 0, 0 },
62 { 0, 1, 1, 1, 0, 0 },
63 { 0, 1, 1, 0, 0, 0 },
64 { 0, 0, 0, 1, 0, 0 },
65 { 0, 1, 1, 1, 0, 0 },
66 { 0, 0, 0, 1, 0, 0 },
67 { 0, 0, 0, 1, 0, 0 },
68 { 0, 0, 0, 1, 0, 0 },
69 { 0, 0, 0, 1, 0, 0 },
70 { 1, 0, 0, 0, 0, 0 },
71 { 0, 0, 0, 1, 0, 0 }
72 },
73
74
75 {
76 { 1, 1, 0, 1, 0, 0 },
77 { 1, 1, 0, 0, 0, 0 },
78 { 1, 1, 1, 1, 0, 0 },
79 { 1, 1, 0, 0, 0, 0 },
80 { 1, 1, 0, 0, 0, 0 },
81 { 1, 1, 0, 0, 0, 0 },
82 { 1, 1, 0, 1, 0, 0 },
83 { 1, 1, 0, 1, 0, 0 },
84 { 1, 1, 0, 1, 0, 0 },
85 { 1, 1, 0, 1, 0, 0 },
86 { 1, 1, 0, 0, 0, 0 },
87 { 1, 1, 0, 0, 0, 0 },
88 { 1, 1, 0, 0, 0, 0 },
89 { 1, 1, 0, 0, 0, 0 },
90 { 0, 1, 0, 0, 0, 0 },
91 { 0, 1, 0, 0, 0, 0 },
92 { 0, 1, 0, 1, 0, 0 },
93 { 0, 1, 0, 1, 0, 0 },
94 { 0, 1, 0, 0, 0, 0 },
95 { 0, 1, 0, 0, 0, 0 },
96 { 0, 1, 0, 0, 0, 0 },
97 { 0, 1, 0, 0, 0, 0 },
98 { 0, 1, 0, 0, 0, 0 },
99 { 0, 1, 0, 0, 0, 0 },
100 { 0, 1, 0, 1, 0, 0 },
101 { 0, 1, 0, 1, 0, 0 },
102 { 0, 1, 0, 1, 0, 0 },
103 { 0, 1, 0, 1, 0, 0 },
104 { 0, 0, 0, 0, 0, 0 },
105 { 0, 0, 0, 0, 0, 0 },
106 { 0, 0, 0, 0, 0, 0 },
107 { 0, 0, 0, 0, 0, 0 }
108 },
109
110
111 {
112 { 0, 0, 0, 1, 0, 0 },
113 { 0, 0, 0, 1, 0, 0 },
114 { 0, 1, 1, 0, 0, 0 },
115 { 0, 0, 0, 1, 0, 0 },
116 { 0, 0, 0, 1, 0, 0 },
117 { 0, 0, 0, 1, 0, 0 },
118 { 0, 0, 0, 1, 0, 0 },
119 { 0, 0, 0, 1, 0, 0 },
120 { 0, 1, 0, 1, 0, 0 },
121 { 0, 1, 0, 0, 0, 0 },
122 { 0, 1, 0, 0, 0, 0 },
123 { 0, 1, 0, 0, 0, 0 },
124 { 1, 1, 0, 0, 0, 0 },
125 { 1, 1, 0, 0, 0, 0 },
126 { 0, 0, 0, 1, 0, 0 },
127 { 0, 1, 0, 0, 0, 0 },
128 { 1, 1, 0, 0, 0, 0 },
129 { 0, 1, 0, 0, 0, 0 },
130 { 0, 0, 0, 1, 0, 0 },
131 { 0, 1, 0, 1, 0, 0 },
132 { 0, 0, 0, 1, 0, 0 },
133 { 1, 0, 0, 1, 0, 0 },
134 { 1, 0, 0, 0, 0, 0 },
135 { 0, 0, 0, 1, 0, 0 },
136 { 0, 0, 0, 1, 0, 0 },
137 { 0, 0, 0, 1, 0, 0 },
138 { 0, 0, 0, 1, 0, 0 },
139 { 0, 0, 0, 1, 0, 0 },
140 { 0, 0, 0, 1, 0, 0 },
141 { 0, 0, 0, 1, 0, 1 },
142 { 0, 0, 0, 1, 0, 0 },
143 { 0, 0, 0, 1, 0, 0 },
144 },
145
146
147 {
148 { 1, 1, 0, 0, 0, 0 },
149 { 1, 1, 1, 1, 0, 0 },
150 { 1, 1, 0, 1, 0, 0 },
151 { 0, 1, 0, 0, 0, 0 },
152 { 0, 1, 1, 1, 0, 0 },
153 { 0, 0, 0, 1, 0, 0 },
154 { 0, 0, 0, 1, 0, 0 },
155 { 0, 0, 0, 1, 0, 0 },
156 { 0, 0, 0, 1, 0, 0 },
157 { 0, 0, 0, 1, 0, 0 },
158 { 0, 0, 0, 1, 0, 0 },
159 { 0, 0, 0, 1, 0, 0 },
160 { 0, 0, 0, 1, 0, 0 },
161 { 0, 0, 0, 1, 0, 0 },
162 { 0, 1, 0, 0, 0, 0 },
163 { 0, 1, 0, 1, 0, 0 },
164 { 0, 1, 1, 0, 1, 0 },
165 { 0, 0, 0, 1, 0, 0 },
166 { 0, 0, 0, 0, 0, 0 },
167 { 0, 0, 0, 0, 0, 0 },
168 { 0, 0, 0, 0, 0, 0 },
169 { 0, 0, 0, 0, 0, 0 },
170 { 0, 1, 0, 1, 0, 0 },
171 { 0, 1, 0, 0, 0, 0 },
172 { 0, 0, 0, 1, 0, 1 },
173 { 0, 0, 0, 1, 0, 1 },
174 { 0, 0, 0, 1, 0, 1 },
175 { 0, 0, 0, 1, 0, 1 },
176 { 0, 0, 0, 0, 0, 0 },
177 { 0, 0, 0, 0, 0, 0 },
178 { 0, 0, 0, 0, 0, 0 },
179 { 0, 0, 0, 0, 0, 0 }
180 }
181};
182
183int checkboard (void)
184{
185 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
186 char buf[32];
187
188
189 uint pci_slot = get_pci_slot ();
190
191 uint pci_dual = get_pci_dual ();
192 uint pci1_32 = gur->pordevsr & 0x10000;
193 uint pci1_clk_sel = gur->porpllsr & 0x8000;
194 uint pci2_clk_sel = gur->porpllsr & 0x4000;
195
196 uint pci1_speed = get_clock_freq ();
197
198 uint cpu_board_rev = get_cpu_board_revision ();
199
200 printf ("Board: CDS Version 0x%02x, PCI Slot %d\n",
201 get_board_version (), pci_slot);
202
203 printf ("CPU Board Revision %d.%d (0x%04x)\n",
204 MPC85XX_CPU_BOARD_MAJOR (cpu_board_rev),
205 MPC85XX_CPU_BOARD_MINOR (cpu_board_rev), cpu_board_rev);
206
207 printf("PCI1: %d bit, %s MHz, %s\n",
208 (pci1_32) ? 32 : 64,
209 strmhz(buf, pci1_speed),
210 pci1_clk_sel ? "sync" : "async");
211
212 if (pci_dual) {
213 printf("PCI2: 32 bit, 66 MHz, %s\n",
214 pci2_clk_sel ? "sync" : "async");
215 } else {
216 printf("PCI2: disabled\n");
217 }
218
219
220
221
222 local_bus_init ();
223
224 return 0;
225}
226
227
228
229
230void
231local_bus_init(void)
232{
233 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
234 volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
235
236 uint clkdiv;
237 uint lbc_hz;
238 sys_info_t sysinfo;
239 uint temp_lbcdll;
240
241
242
243
244
245
246
247
248
249
250 get_sys_info(&sysinfo);
251 clkdiv = lbc->lcrr & LCRR_CLKDIV;
252 lbc_hz = sysinfo.freq_systembus / 1000000 / clkdiv;
253
254 if (lbc_hz < 66) {
255 lbc->lcrr |= LCRR_DBYP;
256
257 } else if (lbc_hz >= 133) {
258 lbc->lcrr &= (~LCRR_DBYP);
259
260 } else {
261 lbc->lcrr &= (~LCRR_DBYP);
262 udelay(200);
263
264
265
266
267
268 temp_lbcdll = gur->lbcdllcr;
269 gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
270 asm("sync;isync;msync");
271 }
272}
273
274
275
276
277void lbc_sdram_init(void)
278{
279#if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM)
280
281 uint idx;
282 volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
283 uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE;
284 uint cpu_board_rev;
285 uint lsdmr_common;
286
287 puts("LBC SDRAM: ");
288 print_size(CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024,
289 "\n ");
290
291
292
293
294 set_lbc_or(2, CONFIG_SYS_OR2_PRELIM);
295 set_lbc_br(2, CONFIG_SYS_BR2_PRELIM);
296 lbc->lbcr = CONFIG_SYS_LBC_LBCR;
297 asm("msync");
298
299 lbc->lsrt = CONFIG_SYS_LBC_LSRT;
300 lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
301 asm("msync");
302
303
304
305
306 cpu_board_rev = get_cpu_board_revision();
307 lsdmr_common = CONFIG_SYS_LBC_LSDMR_COMMON;
308 if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_0) {
309 lsdmr_common |= LSDMR_BSMA1617;
310 } else if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_1) {
311 lsdmr_common |= LSDMR_BSMA1516;
312 } else {
313
314
315
316
317 lsdmr_common |= LSDMR_BSMA1617;
318 }
319
320
321
322
323 lbc->lsdmr = lsdmr_common | LSDMR_OP_PCHALL;
324 asm("sync;msync");
325 *sdram_addr = 0xff;
326 ppcDcbf((unsigned long) sdram_addr);
327 udelay(100);
328
329
330
331
332 for (idx = 0; idx < 8; idx++) {
333 lbc->lsdmr = lsdmr_common | LSDMR_OP_ARFRSH;
334 asm("sync;msync");
335 *sdram_addr = 0xff;
336 ppcDcbf((unsigned long) sdram_addr);
337 udelay(100);
338 }
339
340
341
342
343 lbc->lsdmr = lsdmr_common | LSDMR_OP_MRW;
344 asm("sync;msync");
345 *sdram_addr = 0xff;
346 ppcDcbf((unsigned long) sdram_addr);
347 udelay(100);
348
349
350
351
352 lbc->lsdmr = lsdmr_common | LSDMR_OP_NORMAL;
353 asm("sync;msync");
354 *sdram_addr = 0xff;
355 ppcDcbf((unsigned long) sdram_addr);
356 udelay(200);
357
358#endif
359}
360
361#if defined(CONFIG_PCI)
362
363
364
365void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { }
366
367static struct pci_config_table pci_mpc85xxcds_config_table[] = {
368 {0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}},
369 {0x1106, 0x0686, PCI_ANY_ID, 1, VIA_ID, 0, mpc85xx_config_via, {0,0,0}},
370 {0x1106, 0x0571, PCI_ANY_ID, 1, VIA_ID, 1,
371 mpc85xx_config_via_usbide, {0,0,0}},
372 {0x1105, 0x3038, PCI_ANY_ID, 1, VIA_ID, 2,
373 mpc85xx_config_via_usb, {0,0,0}},
374 {0x1106, 0x3038, PCI_ANY_ID, 1, VIA_ID, 3,
375 mpc85xx_config_via_usb2, {0,0,0}},
376 {0x1106, 0x3058, PCI_ANY_ID, 1, VIA_ID, 5,
377 mpc85xx_config_via_power, {0,0,0}},
378 {0x1106, 0x3068, PCI_ANY_ID, 1, VIA_ID, 6,
379 mpc85xx_config_via_ac97, {0,0,0}},
380 {},
381};
382
383static struct pci_controller hose[] = {
384 { config_table: pci_mpc85xxcds_config_table,},
385#ifdef CONFIG_MPC85XX_PCI2
386 {},
387#endif
388};
389
390#endif
391
392void
393pci_init_board(void)
394{
395#ifdef CONFIG_PCI
396 pci_mpc85xx_init(hose);
397#endif
398}
399
400#if defined(CONFIG_OF_BOARD_SETUP)
401void
402ft_pci_setup(void *blob, bd_t *bd)
403{
404 int node, tmp[2];
405 const char *path;
406
407 node = fdt_path_offset(blob, "/aliases");
408 tmp[0] = 0;
409 if (node >= 0) {
410#ifdef CONFIG_PCI1
411 path = fdt_getprop(blob, node, "pci0", NULL);
412 if (path) {
413 tmp[1] = hose[0].last_busno - hose[0].first_busno;
414 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
415 }
416#endif
417#ifdef CONFIG_MPC85XX_PCI2
418 path = fdt_getprop(blob, node, "pci1", NULL);
419 if (path) {
420 tmp[1] = hose[1].last_busno - hose[1].first_busno;
421 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
422 }
423#endif
424 }
425}
426#endif
427