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42d1f039 | 1 | /* |
a09b9b68 | 2 | * Copyright 2007-2011 Freescale Semiconductor, Inc. |
29372ff3 | 3 | * |
42d1f039 WD |
4 | * (C) Copyright 2003 Motorola Inc. |
5 | * Modified by Xianghua Xiao, X.Xiao@motorola.com | |
6 | * | |
7 | * (C) Copyright 2000 | |
8 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
9 | * | |
10 | * See file CREDITS for list of people who contributed to this | |
11 | * project. | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or | |
14 | * modify it under the terms of the GNU General Public License as | |
15 | * published by the Free Software Foundation; either version 2 of | |
16 | * the License, or (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
26 | * MA 02111-1307 USA | |
27 | */ | |
28 | ||
29 | #include <common.h> | |
30 | #include <watchdog.h> | |
31 | #include <asm/processor.h> | |
32 | #include <ioports.h> | |
f54fe87a | 33 | #include <sata.h> |
42d1f039 | 34 | #include <asm/io.h> |
fd3c9bef | 35 | #include <asm/cache.h> |
87163180 | 36 | #include <asm/mmu.h> |
83d40dfd | 37 | #include <asm/fsl_law.h> |
f54fe87a | 38 | #include <asm/fsl_serdes.h> |
ec2b74ff | 39 | #include "mp.h" |
42d1f039 | 40 | |
d87080b7 WD |
41 | DECLARE_GLOBAL_DATA_PTR; |
42 | ||
a09b9b68 KG |
43 | extern void srio_init(void); |
44 | ||
da9d4610 AF |
45 | #ifdef CONFIG_QE |
46 | extern qe_iop_conf_t qe_iop_conf_tab[]; | |
47 | extern void qe_config_iopin(u8 port, u8 pin, int dir, | |
48 | int open_drain, int assign); | |
49 | extern void qe_init(uint qe_base); | |
50 | extern void qe_reset(void); | |
51 | ||
52 | static void config_qe_ioports(void) | |
53 | { | |
54 | u8 port, pin; | |
55 | int dir, open_drain, assign; | |
56 | int i; | |
57 | ||
58 | for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) { | |
59 | port = qe_iop_conf_tab[i].port; | |
60 | pin = qe_iop_conf_tab[i].pin; | |
61 | dir = qe_iop_conf_tab[i].dir; | |
62 | open_drain = qe_iop_conf_tab[i].open_drain; | |
63 | assign = qe_iop_conf_tab[i].assign; | |
64 | qe_config_iopin(port, pin, dir, open_drain, assign); | |
65 | } | |
66 | } | |
67 | #endif | |
40d5fa35 | 68 | |
9c4c5ae3 | 69 | #ifdef CONFIG_CPM2 |
aafeefbd | 70 | void config_8560_ioports (volatile ccsr_cpm_t * cpm) |
42d1f039 WD |
71 | { |
72 | int portnum; | |
73 | ||
74 | for (portnum = 0; portnum < 4; portnum++) { | |
75 | uint pmsk = 0, | |
76 | ppar = 0, | |
77 | psor = 0, | |
78 | pdir = 0, | |
79 | podr = 0, | |
80 | pdat = 0; | |
81 | iop_conf_t *iopc = (iop_conf_t *) & iop_conf_tab[portnum][0]; | |
82 | iop_conf_t *eiopc = iopc + 32; | |
83 | uint msk = 1; | |
84 | ||
85 | /* | |
86 | * NOTE: | |
87 | * index 0 refers to pin 31, | |
88 | * index 31 refers to pin 0 | |
89 | */ | |
90 | while (iopc < eiopc) { | |
91 | if (iopc->conf) { | |
92 | pmsk |= msk; | |
93 | if (iopc->ppar) | |
94 | ppar |= msk; | |
95 | if (iopc->psor) | |
96 | psor |= msk; | |
97 | if (iopc->pdir) | |
98 | pdir |= msk; | |
99 | if (iopc->podr) | |
100 | podr |= msk; | |
101 | if (iopc->pdat) | |
102 | pdat |= msk; | |
103 | } | |
104 | ||
105 | msk <<= 1; | |
106 | iopc++; | |
107 | } | |
108 | ||
109 | if (pmsk != 0) { | |
aafeefbd | 110 | volatile ioport_t *iop = ioport_addr (cpm, portnum); |
42d1f039 WD |
111 | uint tpmsk = ~pmsk; |
112 | ||
113 | /* | |
114 | * the (somewhat confused) paragraph at the | |
115 | * bottom of page 35-5 warns that there might | |
116 | * be "unknown behaviour" when programming | |
117 | * PSORx and PDIRx, if PPARx = 1, so I | |
118 | * decided this meant I had to disable the | |
119 | * dedicated function first, and enable it | |
120 | * last. | |
121 | */ | |
122 | iop->ppar &= tpmsk; | |
123 | iop->psor = (iop->psor & tpmsk) | psor; | |
124 | iop->podr = (iop->podr & tpmsk) | podr; | |
125 | iop->pdat = (iop->pdat & tpmsk) | pdat; | |
126 | iop->pdir = (iop->pdir & tpmsk) | pdir; | |
127 | iop->ppar |= ppar; | |
128 | } | |
129 | } | |
130 | } | |
131 | #endif | |
132 | ||
6aba33e9 KG |
133 | #ifdef CONFIG_SYS_FSL_CPC |
134 | static void enable_cpc(void) | |
135 | { | |
136 | int i; | |
137 | u32 size = 0; | |
138 | ||
139 | cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR; | |
140 | ||
141 | for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) { | |
142 | u32 cpccfg0 = in_be32(&cpc->cpccfg0); | |
143 | size += CPC_CFG0_SZ_K(cpccfg0); | |
144 | ||
1d2c2a62 KG |
145 | #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002 |
146 | setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_TAG_ECC_SCRUB_DIS); | |
147 | #endif | |
868da593 KG |
148 | #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A003 |
149 | setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_DATA_ECC_SCRUB_DIS); | |
150 | #endif | |
1d2c2a62 | 151 | |
6aba33e9 KG |
152 | out_be32(&cpc->cpccsr0, CPC_CSR0_CE | CPC_CSR0_PE); |
153 | /* Read back to sync write */ | |
154 | in_be32(&cpc->cpccsr0); | |
155 | ||
156 | } | |
157 | ||
158 | printf("Corenet Platform Cache: %d KB enabled\n", size); | |
159 | } | |
160 | ||
161 | void invalidate_cpc(void) | |
162 | { | |
163 | int i; | |
164 | cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR; | |
165 | ||
166 | for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) { | |
167 | /* Flash invalidate the CPC and clear all the locks */ | |
168 | out_be32(&cpc->cpccsr0, CPC_CSR0_FI | CPC_CSR0_LFC); | |
169 | while (in_be32(&cpc->cpccsr0) & (CPC_CSR0_FI | CPC_CSR0_LFC)) | |
170 | ; | |
171 | } | |
172 | } | |
173 | #else | |
174 | #define enable_cpc() | |
175 | #define invalidate_cpc() | |
176 | #endif /* CONFIG_SYS_FSL_CPC */ | |
177 | ||
42d1f039 WD |
178 | /* |
179 | * Breathe some life into the CPU... | |
180 | * | |
181 | * Set up the memory map | |
182 | * initialize a bunch of registers | |
183 | */ | |
184 | ||
3c2a67ee KG |
185 | #ifdef CONFIG_FSL_CORENET |
186 | static void corenet_tb_init(void) | |
187 | { | |
188 | volatile ccsr_rcpm_t *rcpm = | |
189 | (void *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR); | |
190 | volatile ccsr_pic_t *pic = | |
680c613a | 191 | (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR); |
3c2a67ee KG |
192 | u32 whoami = in_be32(&pic->whoami); |
193 | ||
194 | /* Enable the timebase register for this core */ | |
195 | out_be32(&rcpm->ctbenrl, (1 << whoami)); | |
196 | } | |
197 | #endif | |
198 | ||
42d1f039 WD |
199 | void cpu_init_f (void) |
200 | { | |
42d1f039 | 201 | extern void m8560_cpm_reset (void); |
a2cd50ed PT |
202 | #ifdef CONFIG_MPC8548 |
203 | ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR); | |
204 | uint svr = get_svr(); | |
205 | ||
206 | /* | |
207 | * CPU2 errata workaround: A core hang possible while executing | |
208 | * a msync instruction and a snoopable transaction from an I/O | |
209 | * master tagged to make quick forward progress is present. | |
210 | * Fixed in silicon rev 2.1. | |
211 | */ | |
212 | if ((SVR_MAJ(svr) == 1) || ((SVR_MAJ(svr) == 2 && SVR_MIN(svr) == 0x0))) | |
213 | out_be32(&ecm->eebpcr, in_be32(&ecm->eebpcr) | (1 << 16)); | |
214 | #endif | |
42d1f039 | 215 | |
87163180 KG |
216 | disable_tlb(14); |
217 | disable_tlb(15); | |
218 | ||
9c4c5ae3 | 219 | #ifdef CONFIG_CPM2 |
6d0f6bcf | 220 | config_8560_ioports((ccsr_cpm_t *)CONFIG_SYS_MPC85xx_CPM_ADDR); |
42d1f039 WD |
221 | #endif |
222 | ||
f51cdaf1 | 223 | init_early_memctl_regs(); |
42d1f039 | 224 | |
9c4c5ae3 | 225 | #if defined(CONFIG_CPM2) |
42d1f039 WD |
226 | m8560_cpm_reset(); |
227 | #endif | |
da9d4610 AF |
228 | #ifdef CONFIG_QE |
229 | /* Config QE ioports */ | |
230 | config_qe_ioports(); | |
231 | #endif | |
79f4333c PT |
232 | #if defined(CONFIG_FSL_DMA) |
233 | dma_init(); | |
234 | #endif | |
3c2a67ee KG |
235 | #ifdef CONFIG_FSL_CORENET |
236 | corenet_tb_init(); | |
237 | #endif | |
94e9411b | 238 | init_used_tlb_cams(); |
6aba33e9 KG |
239 | |
240 | /* Invalidate the CPC before DDR gets enabled */ | |
241 | invalidate_cpc(); | |
42d1f039 WD |
242 | } |
243 | ||
35079aa9 KG |
244 | /* Implement a dummy function for those platforms w/o SERDES */ |
245 | static void __fsl_serdes__init(void) | |
246 | { | |
247 | return ; | |
248 | } | |
249 | __attribute__((weak, alias("__fsl_serdes__init"))) void fsl_serdes_init(void); | |
d9b94f28 | 250 | |
42d1f039 | 251 | /* |
d9b94f28 JL |
252 | * Initialize L2 as cache. |
253 | * | |
254 | * The newer 8548, etc, parts have twice as much cache, but | |
255 | * use the same bit-encoding as the older 8555, etc, parts. | |
256 | * | |
42d1f039 | 257 | */ |
d9b94f28 | 258 | int cpu_init_r(void) |
42d1f039 | 259 | { |
3f0202ed | 260 | #ifdef CONFIG_SYS_LBC_LCRR |
f51cdaf1 | 261 | volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; |
3f0202ed LC |
262 | #endif |
263 | ||
fd3c9bef KG |
264 | #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) |
265 | flush_dcache(); | |
266 | mtspr(L1CSR2, (mfspr(L1CSR2) | L1CSR2_DCWS)); | |
267 | sync(); | |
268 | #endif | |
269 | ||
6beecfbb WG |
270 | puts ("L2: "); |
271 | ||
42d1f039 | 272 | #if defined(CONFIG_L2_CACHE) |
6d0f6bcf | 273 | volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR; |
d9b94f28 JL |
274 | volatile uint cache_ctl; |
275 | uint svr, ver; | |
29372ff3 | 276 | uint l2srbar; |
73f15a06 | 277 | u32 l2siz_field; |
d9b94f28 JL |
278 | |
279 | svr = get_svr(); | |
f3e04bdc | 280 | ver = SVR_SOC_VER(svr); |
42d1f039 | 281 | |
d65cfe89 | 282 | asm("msync;isync"); |
d9b94f28 | 283 | cache_ctl = l2cache->l2ctl; |
7da53351 MH |
284 | |
285 | #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR) | |
286 | if (cache_ctl & MPC85xx_L2CTL_L2E) { | |
287 | /* Clear L2 SRAM memory-mapped base address */ | |
288 | out_be32(&l2cache->l2srbar0, 0x0); | |
289 | out_be32(&l2cache->l2srbar1, 0x0); | |
290 | ||
291 | /* set MBECCDIS=0, SBECCDIS=0 */ | |
292 | clrbits_be32(&l2cache->l2errdis, | |
293 | (MPC85xx_L2ERRDIS_MBECC | | |
294 | MPC85xx_L2ERRDIS_SBECC)); | |
295 | ||
296 | /* set L2E=0, L2SRAM=0 */ | |
297 | clrbits_be32(&l2cache->l2ctl, | |
298 | (MPC85xx_L2CTL_L2E | | |
299 | MPC85xx_L2CTL_L2SRAM_ENTIRE)); | |
300 | } | |
301 | #endif | |
302 | ||
73f15a06 | 303 | l2siz_field = (cache_ctl >> 28) & 0x3; |
d9b94f28 | 304 | |
73f15a06 KG |
305 | switch (l2siz_field) { |
306 | case 0x0: | |
307 | printf(" unknown size (0x%08x)\n", cache_ctl); | |
308 | return -1; | |
309 | break; | |
310 | case 0x1: | |
311 | if (ver == SVR_8540 || ver == SVR_8560 || | |
312 | ver == SVR_8541 || ver == SVR_8541_E || | |
313 | ver == SVR_8555 || ver == SVR_8555_E) { | |
314 | puts("128 KB "); | |
315 | /* set L2E=1, L2I=1, & L2BLKSZ=1 (128 Kbyte) */ | |
316 | cache_ctl = 0xc4000000; | |
d9b94f28 | 317 | } else { |
73f15a06 KG |
318 | puts("256 KB "); |
319 | cache_ctl = 0xc0000000; /* set L2E=1, L2I=1, & L2SRAM=0 */ | |
320 | } | |
321 | break; | |
322 | case 0x2: | |
323 | if (ver == SVR_8540 || ver == SVR_8560 || | |
324 | ver == SVR_8541 || ver == SVR_8541_E || | |
325 | ver == SVR_8555 || ver == SVR_8555_E) { | |
6beecfbb | 326 | puts("256 KB "); |
29372ff3 ES |
327 | /* set L2E=1, L2I=1, & L2BLKSZ=2 (256 Kbyte) */ |
328 | cache_ctl = 0xc8000000; | |
73f15a06 KG |
329 | } else { |
330 | puts ("512 KB "); | |
331 | /* set L2E=1, L2I=1, & L2SRAM=0 */ | |
332 | cache_ctl = 0xc0000000; | |
d9b94f28 | 333 | } |
d65cfe89 | 334 | break; |
73f15a06 KG |
335 | case 0x3: |
336 | puts("1024 KB "); | |
337 | /* set L2E=1, L2I=1, & L2SRAM=0 */ | |
338 | cache_ctl = 0xc0000000; | |
29372ff3 | 339 | break; |
d65cfe89 JL |
340 | } |
341 | ||
76b474e2 | 342 | if (l2cache->l2ctl & MPC85xx_L2CTL_L2E) { |
6beecfbb | 343 | puts("already enabled"); |
29372ff3 | 344 | l2srbar = l2cache->l2srbar0; |
888279b5 | 345 | #if defined(CONFIG_SYS_INIT_L2_ADDR) && defined(CONFIG_SYS_FLASH_BASE) |
76b474e2 MH |
346 | if (l2cache->l2ctl & MPC85xx_L2CTL_L2SRAM_ENTIRE |
347 | && l2srbar >= CONFIG_SYS_FLASH_BASE) { | |
6d0f6bcf | 348 | l2srbar = CONFIG_SYS_INIT_L2_ADDR; |
29372ff3 | 349 | l2cache->l2srbar0 = l2srbar; |
6d0f6bcf | 350 | printf("moving to 0x%08x", CONFIG_SYS_INIT_L2_ADDR); |
29372ff3 | 351 | } |
6d0f6bcf | 352 | #endif /* CONFIG_SYS_INIT_L2_ADDR */ |
29372ff3 ES |
353 | puts("\n"); |
354 | } else { | |
355 | asm("msync;isync"); | |
356 | l2cache->l2ctl = cache_ctl; /* invalidate & enable */ | |
357 | asm("msync;isync"); | |
6beecfbb | 358 | puts("enabled\n"); |
29372ff3 | 359 | } |
1b3e4044 KG |
360 | #elif defined(CONFIG_BACKSIDE_L2_CACHE) |
361 | u32 l2cfg0 = mfspr(SPRN_L2CFG0); | |
362 | ||
363 | /* invalidate the L2 cache */ | |
25bacf7a KG |
364 | mtspr(SPRN_L2CSR0, (L2CSR0_L2FI|L2CSR0_L2LFC)); |
365 | while (mfspr(SPRN_L2CSR0) & (L2CSR0_L2FI|L2CSR0_L2LFC)) | |
1b3e4044 KG |
366 | ; |
367 | ||
82fd1f8d KG |
368 | #ifdef CONFIG_SYS_CACHE_STASHING |
369 | /* set stash id to (coreID) * 2 + 32 + L2 (1) */ | |
370 | mtspr(SPRN_L2CSR1, (32 + 1)); | |
371 | #endif | |
372 | ||
1b3e4044 KG |
373 | /* enable the cache */ |
374 | mtspr(SPRN_L2CSR0, CONFIG_SYS_INIT_L2CSR0); | |
375 | ||
654ea1f3 DL |
376 | if (CONFIG_SYS_INIT_L2CSR0 & L2CSR0_L2E) { |
377 | while (!(mfspr(SPRN_L2CSR0) & L2CSR0_L2E)) | |
378 | ; | |
1b3e4044 | 379 | printf("%d KB enabled\n", (l2cfg0 & 0x3fff) * 64); |
654ea1f3 | 380 | } |
42d1f039 | 381 | #else |
6beecfbb | 382 | puts("disabled\n"); |
42d1f039 | 383 | #endif |
6aba33e9 KG |
384 | |
385 | enable_cpc(); | |
386 | ||
af025065 KG |
387 | /* needs to be in ram since code uses global static vars */ |
388 | fsl_serdes_init(); | |
af025065 | 389 | |
a09b9b68 KG |
390 | #ifdef CONFIG_SYS_SRIO |
391 | srio_init(); | |
392 | #endif | |
393 | ||
ec2b74ff KG |
394 | #if defined(CONFIG_MP) |
395 | setup_mp(); | |
396 | #endif | |
3f0202ed | 397 | |
ae026ffd RZ |
398 | #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC136 |
399 | { | |
400 | void *p; | |
401 | p = (void *)CONFIG_SYS_DCSRBAR + 0x20520; | |
402 | setbits_be32(p, 1 << (31 - 14)); | |
403 | } | |
404 | #endif | |
405 | ||
3f0202ed LC |
406 | #ifdef CONFIG_SYS_LBC_LCRR |
407 | /* | |
408 | * Modify the CLKDIV field of LCRR register to improve the writing | |
409 | * speed for NOR flash. | |
410 | */ | |
411 | clrsetbits_be32(&lbc->lcrr, LCRR_CLKDIV, CONFIG_SYS_LBC_LCRR); | |
412 | __raw_readl(&lbc->lcrr); | |
413 | isync(); | |
414 | #endif | |
415 | ||
42d1f039 WD |
416 | return 0; |
417 | } | |
26f4cdba KG |
418 | |
419 | extern void setup_ivors(void); | |
420 | ||
421 | void arch_preboot_os(void) | |
422 | { | |
15fba327 KG |
423 | u32 msr; |
424 | ||
425 | /* | |
426 | * We are changing interrupt offsets and are about to boot the OS so | |
427 | * we need to make sure we disable all async interrupts. EE is already | |
428 | * disabled by the time we get called. | |
429 | */ | |
430 | msr = mfmsr(); | |
431 | msr &= ~(MSR_ME|MSR_CE|MSR_DE); | |
432 | mtmsr(msr); | |
433 | ||
26f4cdba KG |
434 | setup_ivors(); |
435 | } | |
f54fe87a KG |
436 | |
437 | #if defined(CONFIG_CMD_SATA) && defined(CONFIG_FSL_SATA) | |
438 | int sata_initialize(void) | |
439 | { | |
440 | if (is_serdes_configured(SATA1) || is_serdes_configured(SATA2)) | |
441 | return __sata_initialize(); | |
442 | ||
443 | return 1; | |
444 | } | |
445 | #endif | |
f9a33f1c KG |
446 | |
447 | void cpu_secondary_init_r(void) | |
448 | { | |
449 | #ifdef CONFIG_QE | |
450 | uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */ | |
451 | qe_init(qe_base); | |
452 | qe_reset(); | |
453 | #endif | |
454 | } |