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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" |
a7b1e1b7 HW |
40 | #ifdef CONFIG_SYS_QE_FW_IN_NAND |
41 | #include <nand.h> | |
42 | #include <errno.h> | |
43 | #endif | |
42d1f039 | 44 | |
d87080b7 WD |
45 | DECLARE_GLOBAL_DATA_PTR; |
46 | ||
a09b9b68 KG |
47 | extern void srio_init(void); |
48 | ||
da9d4610 AF |
49 | #ifdef CONFIG_QE |
50 | extern qe_iop_conf_t qe_iop_conf_tab[]; | |
51 | extern void qe_config_iopin(u8 port, u8 pin, int dir, | |
52 | int open_drain, int assign); | |
53 | extern void qe_init(uint qe_base); | |
54 | extern void qe_reset(void); | |
55 | ||
56 | static void config_qe_ioports(void) | |
57 | { | |
58 | u8 port, pin; | |
59 | int dir, open_drain, assign; | |
60 | int i; | |
61 | ||
62 | for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) { | |
63 | port = qe_iop_conf_tab[i].port; | |
64 | pin = qe_iop_conf_tab[i].pin; | |
65 | dir = qe_iop_conf_tab[i].dir; | |
66 | open_drain = qe_iop_conf_tab[i].open_drain; | |
67 | assign = qe_iop_conf_tab[i].assign; | |
68 | qe_config_iopin(port, pin, dir, open_drain, assign); | |
69 | } | |
70 | } | |
71 | #endif | |
40d5fa35 | 72 | |
9c4c5ae3 | 73 | #ifdef CONFIG_CPM2 |
aafeefbd | 74 | void config_8560_ioports (volatile ccsr_cpm_t * cpm) |
42d1f039 WD |
75 | { |
76 | int portnum; | |
77 | ||
78 | for (portnum = 0; portnum < 4; portnum++) { | |
79 | uint pmsk = 0, | |
80 | ppar = 0, | |
81 | psor = 0, | |
82 | pdir = 0, | |
83 | podr = 0, | |
84 | pdat = 0; | |
85 | iop_conf_t *iopc = (iop_conf_t *) & iop_conf_tab[portnum][0]; | |
86 | iop_conf_t *eiopc = iopc + 32; | |
87 | uint msk = 1; | |
88 | ||
89 | /* | |
90 | * NOTE: | |
91 | * index 0 refers to pin 31, | |
92 | * index 31 refers to pin 0 | |
93 | */ | |
94 | while (iopc < eiopc) { | |
95 | if (iopc->conf) { | |
96 | pmsk |= msk; | |
97 | if (iopc->ppar) | |
98 | ppar |= msk; | |
99 | if (iopc->psor) | |
100 | psor |= msk; | |
101 | if (iopc->pdir) | |
102 | pdir |= msk; | |
103 | if (iopc->podr) | |
104 | podr |= msk; | |
105 | if (iopc->pdat) | |
106 | pdat |= msk; | |
107 | } | |
108 | ||
109 | msk <<= 1; | |
110 | iopc++; | |
111 | } | |
112 | ||
113 | if (pmsk != 0) { | |
aafeefbd | 114 | volatile ioport_t *iop = ioport_addr (cpm, portnum); |
42d1f039 WD |
115 | uint tpmsk = ~pmsk; |
116 | ||
117 | /* | |
118 | * the (somewhat confused) paragraph at the | |
119 | * bottom of page 35-5 warns that there might | |
120 | * be "unknown behaviour" when programming | |
121 | * PSORx and PDIRx, if PPARx = 1, so I | |
122 | * decided this meant I had to disable the | |
123 | * dedicated function first, and enable it | |
124 | * last. | |
125 | */ | |
126 | iop->ppar &= tpmsk; | |
127 | iop->psor = (iop->psor & tpmsk) | psor; | |
128 | iop->podr = (iop->podr & tpmsk) | podr; | |
129 | iop->pdat = (iop->pdat & tpmsk) | pdat; | |
130 | iop->pdir = (iop->pdir & tpmsk) | pdir; | |
131 | iop->ppar |= ppar; | |
132 | } | |
133 | } | |
134 | } | |
135 | #endif | |
136 | ||
6aba33e9 KG |
137 | #ifdef CONFIG_SYS_FSL_CPC |
138 | static void enable_cpc(void) | |
139 | { | |
140 | int i; | |
141 | u32 size = 0; | |
142 | ||
143 | cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR; | |
144 | ||
145 | for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) { | |
146 | u32 cpccfg0 = in_be32(&cpc->cpccfg0); | |
147 | size += CPC_CFG0_SZ_K(cpccfg0); | |
148 | ||
1d2c2a62 KG |
149 | #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002 |
150 | setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_TAG_ECC_SCRUB_DIS); | |
151 | #endif | |
868da593 KG |
152 | #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A003 |
153 | setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_DATA_ECC_SCRUB_DIS); | |
154 | #endif | |
1d2c2a62 | 155 | |
6aba33e9 KG |
156 | out_be32(&cpc->cpccsr0, CPC_CSR0_CE | CPC_CSR0_PE); |
157 | /* Read back to sync write */ | |
158 | in_be32(&cpc->cpccsr0); | |
159 | ||
160 | } | |
161 | ||
162 | printf("Corenet Platform Cache: %d KB enabled\n", size); | |
163 | } | |
164 | ||
165 | void invalidate_cpc(void) | |
166 | { | |
167 | int i; | |
168 | cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR; | |
169 | ||
170 | for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) { | |
171 | /* Flash invalidate the CPC and clear all the locks */ | |
172 | out_be32(&cpc->cpccsr0, CPC_CSR0_FI | CPC_CSR0_LFC); | |
173 | while (in_be32(&cpc->cpccsr0) & (CPC_CSR0_FI | CPC_CSR0_LFC)) | |
174 | ; | |
175 | } | |
176 | } | |
177 | #else | |
178 | #define enable_cpc() | |
179 | #define invalidate_cpc() | |
180 | #endif /* CONFIG_SYS_FSL_CPC */ | |
181 | ||
42d1f039 WD |
182 | /* |
183 | * Breathe some life into the CPU... | |
184 | * | |
185 | * Set up the memory map | |
186 | * initialize a bunch of registers | |
187 | */ | |
188 | ||
3c2a67ee KG |
189 | #ifdef CONFIG_FSL_CORENET |
190 | static void corenet_tb_init(void) | |
191 | { | |
192 | volatile ccsr_rcpm_t *rcpm = | |
193 | (void *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR); | |
194 | volatile ccsr_pic_t *pic = | |
680c613a | 195 | (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR); |
3c2a67ee KG |
196 | u32 whoami = in_be32(&pic->whoami); |
197 | ||
198 | /* Enable the timebase register for this core */ | |
199 | out_be32(&rcpm->ctbenrl, (1 << whoami)); | |
200 | } | |
201 | #endif | |
202 | ||
42d1f039 WD |
203 | void cpu_init_f (void) |
204 | { | |
42d1f039 | 205 | extern void m8560_cpm_reset (void); |
a2cd50ed PT |
206 | #ifdef CONFIG_MPC8548 |
207 | ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR); | |
208 | uint svr = get_svr(); | |
209 | ||
210 | /* | |
211 | * CPU2 errata workaround: A core hang possible while executing | |
212 | * a msync instruction and a snoopable transaction from an I/O | |
213 | * master tagged to make quick forward progress is present. | |
214 | * Fixed in silicon rev 2.1. | |
215 | */ | |
216 | if ((SVR_MAJ(svr) == 1) || ((SVR_MAJ(svr) == 2 && SVR_MIN(svr) == 0x0))) | |
217 | out_be32(&ecm->eebpcr, in_be32(&ecm->eebpcr) | (1 << 16)); | |
218 | #endif | |
42d1f039 | 219 | |
87163180 KG |
220 | disable_tlb(14); |
221 | disable_tlb(15); | |
222 | ||
9c4c5ae3 | 223 | #ifdef CONFIG_CPM2 |
6d0f6bcf | 224 | config_8560_ioports((ccsr_cpm_t *)CONFIG_SYS_MPC85xx_CPM_ADDR); |
42d1f039 WD |
225 | #endif |
226 | ||
f51cdaf1 | 227 | init_early_memctl_regs(); |
42d1f039 | 228 | |
9c4c5ae3 | 229 | #if defined(CONFIG_CPM2) |
42d1f039 WD |
230 | m8560_cpm_reset(); |
231 | #endif | |
da9d4610 AF |
232 | #ifdef CONFIG_QE |
233 | /* Config QE ioports */ | |
234 | config_qe_ioports(); | |
235 | #endif | |
79f4333c PT |
236 | #if defined(CONFIG_FSL_DMA) |
237 | dma_init(); | |
238 | #endif | |
3c2a67ee KG |
239 | #ifdef CONFIG_FSL_CORENET |
240 | corenet_tb_init(); | |
241 | #endif | |
94e9411b | 242 | init_used_tlb_cams(); |
6aba33e9 KG |
243 | |
244 | /* Invalidate the CPC before DDR gets enabled */ | |
245 | invalidate_cpc(); | |
42d1f039 WD |
246 | } |
247 | ||
35079aa9 KG |
248 | /* Implement a dummy function for those platforms w/o SERDES */ |
249 | static void __fsl_serdes__init(void) | |
250 | { | |
251 | return ; | |
252 | } | |
253 | __attribute__((weak, alias("__fsl_serdes__init"))) void fsl_serdes_init(void); | |
d9b94f28 | 254 | |
42d1f039 | 255 | /* |
d9b94f28 JL |
256 | * Initialize L2 as cache. |
257 | * | |
258 | * The newer 8548, etc, parts have twice as much cache, but | |
259 | * use the same bit-encoding as the older 8555, etc, parts. | |
260 | * | |
42d1f039 | 261 | */ |
d9b94f28 | 262 | int cpu_init_r(void) |
42d1f039 | 263 | { |
3f0202ed | 264 | #ifdef CONFIG_SYS_LBC_LCRR |
f51cdaf1 | 265 | volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; |
3f0202ed LC |
266 | #endif |
267 | ||
fd3c9bef KG |
268 | #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) |
269 | flush_dcache(); | |
270 | mtspr(L1CSR2, (mfspr(L1CSR2) | L1CSR2_DCWS)); | |
271 | sync(); | |
272 | #endif | |
273 | ||
6beecfbb WG |
274 | puts ("L2: "); |
275 | ||
42d1f039 | 276 | #if defined(CONFIG_L2_CACHE) |
6d0f6bcf | 277 | volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR; |
d9b94f28 JL |
278 | volatile uint cache_ctl; |
279 | uint svr, ver; | |
29372ff3 | 280 | uint l2srbar; |
73f15a06 | 281 | u32 l2siz_field; |
d9b94f28 JL |
282 | |
283 | svr = get_svr(); | |
f3e04bdc | 284 | ver = SVR_SOC_VER(svr); |
42d1f039 | 285 | |
d65cfe89 | 286 | asm("msync;isync"); |
d9b94f28 | 287 | cache_ctl = l2cache->l2ctl; |
7da53351 MH |
288 | |
289 | #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR) | |
290 | if (cache_ctl & MPC85xx_L2CTL_L2E) { | |
291 | /* Clear L2 SRAM memory-mapped base address */ | |
292 | out_be32(&l2cache->l2srbar0, 0x0); | |
293 | out_be32(&l2cache->l2srbar1, 0x0); | |
294 | ||
295 | /* set MBECCDIS=0, SBECCDIS=0 */ | |
296 | clrbits_be32(&l2cache->l2errdis, | |
297 | (MPC85xx_L2ERRDIS_MBECC | | |
298 | MPC85xx_L2ERRDIS_SBECC)); | |
299 | ||
300 | /* set L2E=0, L2SRAM=0 */ | |
301 | clrbits_be32(&l2cache->l2ctl, | |
302 | (MPC85xx_L2CTL_L2E | | |
303 | MPC85xx_L2CTL_L2SRAM_ENTIRE)); | |
304 | } | |
305 | #endif | |
306 | ||
73f15a06 | 307 | l2siz_field = (cache_ctl >> 28) & 0x3; |
d9b94f28 | 308 | |
73f15a06 KG |
309 | switch (l2siz_field) { |
310 | case 0x0: | |
311 | printf(" unknown size (0x%08x)\n", cache_ctl); | |
312 | return -1; | |
313 | break; | |
314 | case 0x1: | |
315 | if (ver == SVR_8540 || ver == SVR_8560 || | |
316 | ver == SVR_8541 || ver == SVR_8541_E || | |
317 | ver == SVR_8555 || ver == SVR_8555_E) { | |
318 | puts("128 KB "); | |
319 | /* set L2E=1, L2I=1, & L2BLKSZ=1 (128 Kbyte) */ | |
320 | cache_ctl = 0xc4000000; | |
d9b94f28 | 321 | } else { |
73f15a06 KG |
322 | puts("256 KB "); |
323 | cache_ctl = 0xc0000000; /* set L2E=1, L2I=1, & L2SRAM=0 */ | |
324 | } | |
325 | break; | |
326 | case 0x2: | |
327 | if (ver == SVR_8540 || ver == SVR_8560 || | |
328 | ver == SVR_8541 || ver == SVR_8541_E || | |
329 | ver == SVR_8555 || ver == SVR_8555_E) { | |
6beecfbb | 330 | puts("256 KB "); |
29372ff3 ES |
331 | /* set L2E=1, L2I=1, & L2BLKSZ=2 (256 Kbyte) */ |
332 | cache_ctl = 0xc8000000; | |
73f15a06 KG |
333 | } else { |
334 | puts ("512 KB "); | |
335 | /* set L2E=1, L2I=1, & L2SRAM=0 */ | |
336 | cache_ctl = 0xc0000000; | |
d9b94f28 | 337 | } |
d65cfe89 | 338 | break; |
73f15a06 KG |
339 | case 0x3: |
340 | puts("1024 KB "); | |
341 | /* set L2E=1, L2I=1, & L2SRAM=0 */ | |
342 | cache_ctl = 0xc0000000; | |
29372ff3 | 343 | break; |
d65cfe89 JL |
344 | } |
345 | ||
76b474e2 | 346 | if (l2cache->l2ctl & MPC85xx_L2CTL_L2E) { |
6beecfbb | 347 | puts("already enabled"); |
29372ff3 | 348 | l2srbar = l2cache->l2srbar0; |
888279b5 | 349 | #if defined(CONFIG_SYS_INIT_L2_ADDR) && defined(CONFIG_SYS_FLASH_BASE) |
76b474e2 MH |
350 | if (l2cache->l2ctl & MPC85xx_L2CTL_L2SRAM_ENTIRE |
351 | && l2srbar >= CONFIG_SYS_FLASH_BASE) { | |
6d0f6bcf | 352 | l2srbar = CONFIG_SYS_INIT_L2_ADDR; |
29372ff3 | 353 | l2cache->l2srbar0 = l2srbar; |
6d0f6bcf | 354 | printf("moving to 0x%08x", CONFIG_SYS_INIT_L2_ADDR); |
29372ff3 | 355 | } |
6d0f6bcf | 356 | #endif /* CONFIG_SYS_INIT_L2_ADDR */ |
29372ff3 ES |
357 | puts("\n"); |
358 | } else { | |
359 | asm("msync;isync"); | |
360 | l2cache->l2ctl = cache_ctl; /* invalidate & enable */ | |
361 | asm("msync;isync"); | |
6beecfbb | 362 | puts("enabled\n"); |
29372ff3 | 363 | } |
1b3e4044 KG |
364 | #elif defined(CONFIG_BACKSIDE_L2_CACHE) |
365 | u32 l2cfg0 = mfspr(SPRN_L2CFG0); | |
366 | ||
367 | /* invalidate the L2 cache */ | |
25bacf7a KG |
368 | mtspr(SPRN_L2CSR0, (L2CSR0_L2FI|L2CSR0_L2LFC)); |
369 | while (mfspr(SPRN_L2CSR0) & (L2CSR0_L2FI|L2CSR0_L2LFC)) | |
1b3e4044 KG |
370 | ; |
371 | ||
82fd1f8d KG |
372 | #ifdef CONFIG_SYS_CACHE_STASHING |
373 | /* set stash id to (coreID) * 2 + 32 + L2 (1) */ | |
374 | mtspr(SPRN_L2CSR1, (32 + 1)); | |
375 | #endif | |
376 | ||
1b3e4044 KG |
377 | /* enable the cache */ |
378 | mtspr(SPRN_L2CSR0, CONFIG_SYS_INIT_L2CSR0); | |
379 | ||
654ea1f3 DL |
380 | if (CONFIG_SYS_INIT_L2CSR0 & L2CSR0_L2E) { |
381 | while (!(mfspr(SPRN_L2CSR0) & L2CSR0_L2E)) | |
382 | ; | |
1b3e4044 | 383 | printf("%d KB enabled\n", (l2cfg0 & 0x3fff) * 64); |
654ea1f3 | 384 | } |
42d1f039 | 385 | #else |
6beecfbb | 386 | puts("disabled\n"); |
42d1f039 | 387 | #endif |
6aba33e9 KG |
388 | |
389 | enable_cpc(); | |
390 | ||
af025065 KG |
391 | /* needs to be in ram since code uses global static vars */ |
392 | fsl_serdes_init(); | |
af025065 | 393 | |
a09b9b68 KG |
394 | #ifdef CONFIG_SYS_SRIO |
395 | srio_init(); | |
396 | #endif | |
397 | ||
ec2b74ff KG |
398 | #if defined(CONFIG_MP) |
399 | setup_mp(); | |
400 | #endif | |
3f0202ed | 401 | |
ae026ffd RZ |
402 | #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC136 |
403 | { | |
404 | void *p; | |
405 | p = (void *)CONFIG_SYS_DCSRBAR + 0x20520; | |
406 | setbits_be32(p, 1 << (31 - 14)); | |
407 | } | |
408 | #endif | |
409 | ||
3f0202ed LC |
410 | #ifdef CONFIG_SYS_LBC_LCRR |
411 | /* | |
412 | * Modify the CLKDIV field of LCRR register to improve the writing | |
413 | * speed for NOR flash. | |
414 | */ | |
415 | clrsetbits_be32(&lbc->lcrr, LCRR_CLKDIV, CONFIG_SYS_LBC_LCRR); | |
416 | __raw_readl(&lbc->lcrr); | |
417 | isync(); | |
418 | #endif | |
419 | ||
42d1f039 WD |
420 | return 0; |
421 | } | |
26f4cdba KG |
422 | |
423 | extern void setup_ivors(void); | |
424 | ||
425 | void arch_preboot_os(void) | |
426 | { | |
15fba327 KG |
427 | u32 msr; |
428 | ||
429 | /* | |
430 | * We are changing interrupt offsets and are about to boot the OS so | |
431 | * we need to make sure we disable all async interrupts. EE is already | |
432 | * disabled by the time we get called. | |
433 | */ | |
434 | msr = mfmsr(); | |
435 | msr &= ~(MSR_ME|MSR_CE|MSR_DE); | |
436 | mtmsr(msr); | |
437 | ||
26f4cdba KG |
438 | setup_ivors(); |
439 | } | |
f54fe87a KG |
440 | |
441 | #if defined(CONFIG_CMD_SATA) && defined(CONFIG_FSL_SATA) | |
442 | int sata_initialize(void) | |
443 | { | |
444 | if (is_serdes_configured(SATA1) || is_serdes_configured(SATA2)) | |
445 | return __sata_initialize(); | |
446 | ||
447 | return 1; | |
448 | } | |
449 | #endif | |
f9a33f1c KG |
450 | |
451 | void cpu_secondary_init_r(void) | |
452 | { | |
453 | #ifdef CONFIG_QE | |
454 | uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */ | |
a7b1e1b7 HW |
455 | #ifdef CONFIG_SYS_QE_FW_IN_NAND |
456 | int ret; | |
457 | size_t fw_length = CONFIG_SYS_QE_FW_LENGTH; | |
458 | ||
459 | /* load QE firmware from NAND flash to DDR first */ | |
460 | ret = nand_read(&nand_info[0], (loff_t)CONFIG_SYS_QE_FW_IN_NAND, | |
461 | &fw_length, (u_char *)CONFIG_SYS_QE_FW_ADDR); | |
462 | ||
463 | if (ret && ret == -EUCLEAN) { | |
464 | printf ("NAND read for QE firmware at offset %x failed %d\n", | |
465 | CONFIG_SYS_QE_FW_IN_NAND, ret); | |
466 | } | |
467 | #endif | |
f9a33f1c KG |
468 | qe_init(qe_base); |
469 | qe_reset(); | |
470 | #endif | |
471 | } |