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42d1f039 | 1 | /* |
0456dbf3 | 2 | * Copyright 2007-2009 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> | |
33 | #include <asm/io.h> | |
87163180 | 34 | #include <asm/mmu.h> |
83d40dfd | 35 | #include <asm/fsl_law.h> |
ec2b74ff | 36 | #include "mp.h" |
42d1f039 | 37 | |
d87080b7 WD |
38 | DECLARE_GLOBAL_DATA_PTR; |
39 | ||
ef50d6c0 KG |
40 | #ifdef CONFIG_MPC8536 |
41 | extern void fsl_serdes_init(void); | |
42 | #endif | |
43 | ||
da9d4610 AF |
44 | #ifdef CONFIG_QE |
45 | extern qe_iop_conf_t qe_iop_conf_tab[]; | |
46 | extern void qe_config_iopin(u8 port, u8 pin, int dir, | |
47 | int open_drain, int assign); | |
48 | extern void qe_init(uint qe_base); | |
49 | extern void qe_reset(void); | |
50 | ||
51 | static void config_qe_ioports(void) | |
52 | { | |
53 | u8 port, pin; | |
54 | int dir, open_drain, assign; | |
55 | int i; | |
56 | ||
57 | for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) { | |
58 | port = qe_iop_conf_tab[i].port; | |
59 | pin = qe_iop_conf_tab[i].pin; | |
60 | dir = qe_iop_conf_tab[i].dir; | |
61 | open_drain = qe_iop_conf_tab[i].open_drain; | |
62 | assign = qe_iop_conf_tab[i].assign; | |
63 | qe_config_iopin(port, pin, dir, open_drain, assign); | |
64 | } | |
65 | } | |
66 | #endif | |
40d5fa35 | 67 | |
9c4c5ae3 | 68 | #ifdef CONFIG_CPM2 |
aafeefbd | 69 | void config_8560_ioports (volatile ccsr_cpm_t * cpm) |
42d1f039 WD |
70 | { |
71 | int portnum; | |
72 | ||
73 | for (portnum = 0; portnum < 4; portnum++) { | |
74 | uint pmsk = 0, | |
75 | ppar = 0, | |
76 | psor = 0, | |
77 | pdir = 0, | |
78 | podr = 0, | |
79 | pdat = 0; | |
80 | iop_conf_t *iopc = (iop_conf_t *) & iop_conf_tab[portnum][0]; | |
81 | iop_conf_t *eiopc = iopc + 32; | |
82 | uint msk = 1; | |
83 | ||
84 | /* | |
85 | * NOTE: | |
86 | * index 0 refers to pin 31, | |
87 | * index 31 refers to pin 0 | |
88 | */ | |
89 | while (iopc < eiopc) { | |
90 | if (iopc->conf) { | |
91 | pmsk |= msk; | |
92 | if (iopc->ppar) | |
93 | ppar |= msk; | |
94 | if (iopc->psor) | |
95 | psor |= msk; | |
96 | if (iopc->pdir) | |
97 | pdir |= msk; | |
98 | if (iopc->podr) | |
99 | podr |= msk; | |
100 | if (iopc->pdat) | |
101 | pdat |= msk; | |
102 | } | |
103 | ||
104 | msk <<= 1; | |
105 | iopc++; | |
106 | } | |
107 | ||
108 | if (pmsk != 0) { | |
aafeefbd | 109 | volatile ioport_t *iop = ioport_addr (cpm, portnum); |
42d1f039 WD |
110 | uint tpmsk = ~pmsk; |
111 | ||
112 | /* | |
113 | * the (somewhat confused) paragraph at the | |
114 | * bottom of page 35-5 warns that there might | |
115 | * be "unknown behaviour" when programming | |
116 | * PSORx and PDIRx, if PPARx = 1, so I | |
117 | * decided this meant I had to disable the | |
118 | * dedicated function first, and enable it | |
119 | * last. | |
120 | */ | |
121 | iop->ppar &= tpmsk; | |
122 | iop->psor = (iop->psor & tpmsk) | psor; | |
123 | iop->podr = (iop->podr & tpmsk) | podr; | |
124 | iop->pdat = (iop->pdat & tpmsk) | pdat; | |
125 | iop->pdir = (iop->pdir & tpmsk) | pdir; | |
126 | iop->ppar |= ppar; | |
127 | } | |
128 | } | |
129 | } | |
130 | #endif | |
131 | ||
132 | /* | |
133 | * Breathe some life into the CPU... | |
134 | * | |
135 | * Set up the memory map | |
136 | * initialize a bunch of registers | |
137 | */ | |
138 | ||
3c2a67ee KG |
139 | #ifdef CONFIG_FSL_CORENET |
140 | static void corenet_tb_init(void) | |
141 | { | |
142 | volatile ccsr_rcpm_t *rcpm = | |
143 | (void *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR); | |
144 | volatile ccsr_pic_t *pic = | |
145 | (void *)(CONFIG_SYS_MPC85xx_PIC_ADDR); | |
146 | u32 whoami = in_be32(&pic->whoami); | |
147 | ||
148 | /* Enable the timebase register for this core */ | |
149 | out_be32(&rcpm->ctbenrl, (1 << whoami)); | |
150 | } | |
151 | #endif | |
152 | ||
42d1f039 WD |
153 | void cpu_init_f (void) |
154 | { | |
6d0f6bcf | 155 | volatile ccsr_lbc_t *memctl = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); |
42d1f039 | 156 | extern void m8560_cpm_reset (void); |
a2cd50ed PT |
157 | #ifdef CONFIG_MPC8548 |
158 | ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR); | |
159 | uint svr = get_svr(); | |
160 | ||
161 | /* | |
162 | * CPU2 errata workaround: A core hang possible while executing | |
163 | * a msync instruction and a snoopable transaction from an I/O | |
164 | * master tagged to make quick forward progress is present. | |
165 | * Fixed in silicon rev 2.1. | |
166 | */ | |
167 | if ((SVR_MAJ(svr) == 1) || ((SVR_MAJ(svr) == 2 && SVR_MIN(svr) == 0x0))) | |
168 | out_be32(&ecm->eebpcr, in_be32(&ecm->eebpcr) | (1 << 16)); | |
169 | #endif | |
42d1f039 | 170 | |
87163180 KG |
171 | disable_tlb(14); |
172 | disable_tlb(15); | |
173 | ||
9c4c5ae3 | 174 | #ifdef CONFIG_CPM2 |
6d0f6bcf | 175 | config_8560_ioports((ccsr_cpm_t *)CONFIG_SYS_MPC85xx_CPM_ADDR); |
42d1f039 WD |
176 | #endif |
177 | ||
178 | /* Map banks 0 and 1 to the FLASH banks 0 and 1 at preliminary | |
179 | * addresses - these have to be modified later when FLASH size | |
180 | * has been determined | |
181 | */ | |
6d0f6bcf JCPV |
182 | #if defined(CONFIG_SYS_OR0_REMAP) |
183 | memctl->or0 = CONFIG_SYS_OR0_REMAP; | |
42d1f039 | 184 | #endif |
6d0f6bcf JCPV |
185 | #if defined(CONFIG_SYS_OR1_REMAP) |
186 | memctl->or1 = CONFIG_SYS_OR1_REMAP; | |
42d1f039 WD |
187 | #endif |
188 | ||
189 | /* now restrict to preliminary range */ | |
29372ff3 ES |
190 | /* if cs1 is already set via debugger, leave cs0/cs1 alone */ |
191 | if (! memctl->br1 & 1) { | |
6d0f6bcf JCPV |
192 | #if defined(CONFIG_SYS_BR0_PRELIM) && defined(CONFIG_SYS_OR0_PRELIM) |
193 | memctl->br0 = CONFIG_SYS_BR0_PRELIM; | |
194 | memctl->or0 = CONFIG_SYS_OR0_PRELIM; | |
42d1f039 WD |
195 | #endif |
196 | ||
6d0f6bcf JCPV |
197 | #if defined(CONFIG_SYS_BR1_PRELIM) && defined(CONFIG_SYS_OR1_PRELIM) |
198 | memctl->or1 = CONFIG_SYS_OR1_PRELIM; | |
199 | memctl->br1 = CONFIG_SYS_BR1_PRELIM; | |
42d1f039 | 200 | #endif |
29372ff3 | 201 | } |
42d1f039 | 202 | |
6d0f6bcf JCPV |
203 | #if defined(CONFIG_SYS_BR2_PRELIM) && defined(CONFIG_SYS_OR2_PRELIM) |
204 | memctl->or2 = CONFIG_SYS_OR2_PRELIM; | |
205 | memctl->br2 = CONFIG_SYS_BR2_PRELIM; | |
42d1f039 | 206 | #endif |
42d1f039 | 207 | |
6d0f6bcf JCPV |
208 | #if defined(CONFIG_SYS_BR3_PRELIM) && defined(CONFIG_SYS_OR3_PRELIM) |
209 | memctl->or3 = CONFIG_SYS_OR3_PRELIM; | |
210 | memctl->br3 = CONFIG_SYS_BR3_PRELIM; | |
42d1f039 WD |
211 | #endif |
212 | ||
6d0f6bcf JCPV |
213 | #if defined(CONFIG_SYS_BR4_PRELIM) && defined(CONFIG_SYS_OR4_PRELIM) |
214 | memctl->or4 = CONFIG_SYS_OR4_PRELIM; | |
215 | memctl->br4 = CONFIG_SYS_BR4_PRELIM; | |
42d1f039 WD |
216 | #endif |
217 | ||
6d0f6bcf JCPV |
218 | #if defined(CONFIG_SYS_BR5_PRELIM) && defined(CONFIG_SYS_OR5_PRELIM) |
219 | memctl->or5 = CONFIG_SYS_OR5_PRELIM; | |
220 | memctl->br5 = CONFIG_SYS_BR5_PRELIM; | |
42d1f039 WD |
221 | #endif |
222 | ||
6d0f6bcf JCPV |
223 | #if defined(CONFIG_SYS_BR6_PRELIM) && defined(CONFIG_SYS_OR6_PRELIM) |
224 | memctl->or6 = CONFIG_SYS_OR6_PRELIM; | |
225 | memctl->br6 = CONFIG_SYS_BR6_PRELIM; | |
42d1f039 WD |
226 | #endif |
227 | ||
6d0f6bcf JCPV |
228 | #if defined(CONFIG_SYS_BR7_PRELIM) && defined(CONFIG_SYS_OR7_PRELIM) |
229 | memctl->or7 = CONFIG_SYS_OR7_PRELIM; | |
230 | memctl->br7 = CONFIG_SYS_BR7_PRELIM; | |
42d1f039 WD |
231 | #endif |
232 | ||
9c4c5ae3 | 233 | #if defined(CONFIG_CPM2) |
42d1f039 WD |
234 | m8560_cpm_reset(); |
235 | #endif | |
da9d4610 AF |
236 | #ifdef CONFIG_QE |
237 | /* Config QE ioports */ | |
238 | config_qe_ioports(); | |
239 | #endif | |
ef50d6c0 KG |
240 | #if defined(CONFIG_MPC8536) |
241 | fsl_serdes_init(); | |
242 | #endif | |
79f4333c PT |
243 | #if defined(CONFIG_FSL_DMA) |
244 | dma_init(); | |
245 | #endif | |
3c2a67ee KG |
246 | #ifdef CONFIG_FSL_CORENET |
247 | corenet_tb_init(); | |
248 | #endif | |
94e9411b | 249 | init_used_tlb_cams(); |
42d1f039 WD |
250 | } |
251 | ||
d9b94f28 | 252 | |
42d1f039 | 253 | /* |
d9b94f28 JL |
254 | * Initialize L2 as cache. |
255 | * | |
256 | * The newer 8548, etc, parts have twice as much cache, but | |
257 | * use the same bit-encoding as the older 8555, etc, parts. | |
258 | * | |
42d1f039 | 259 | */ |
d9b94f28 JL |
260 | |
261 | int cpu_init_r(void) | |
42d1f039 | 262 | { |
6beecfbb WG |
263 | puts ("L2: "); |
264 | ||
42d1f039 | 265 | #if defined(CONFIG_L2_CACHE) |
6d0f6bcf | 266 | volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR; |
d9b94f28 JL |
267 | volatile uint cache_ctl; |
268 | uint svr, ver; | |
29372ff3 | 269 | uint l2srbar; |
73f15a06 | 270 | u32 l2siz_field; |
d9b94f28 JL |
271 | |
272 | svr = get_svr(); | |
f3e04bdc | 273 | ver = SVR_SOC_VER(svr); |
42d1f039 | 274 | |
d65cfe89 | 275 | asm("msync;isync"); |
d9b94f28 | 276 | cache_ctl = l2cache->l2ctl; |
7da53351 MH |
277 | |
278 | #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR) | |
279 | if (cache_ctl & MPC85xx_L2CTL_L2E) { | |
280 | /* Clear L2 SRAM memory-mapped base address */ | |
281 | out_be32(&l2cache->l2srbar0, 0x0); | |
282 | out_be32(&l2cache->l2srbar1, 0x0); | |
283 | ||
284 | /* set MBECCDIS=0, SBECCDIS=0 */ | |
285 | clrbits_be32(&l2cache->l2errdis, | |
286 | (MPC85xx_L2ERRDIS_MBECC | | |
287 | MPC85xx_L2ERRDIS_SBECC)); | |
288 | ||
289 | /* set L2E=0, L2SRAM=0 */ | |
290 | clrbits_be32(&l2cache->l2ctl, | |
291 | (MPC85xx_L2CTL_L2E | | |
292 | MPC85xx_L2CTL_L2SRAM_ENTIRE)); | |
293 | } | |
294 | #endif | |
295 | ||
73f15a06 | 296 | l2siz_field = (cache_ctl >> 28) & 0x3; |
d9b94f28 | 297 | |
73f15a06 KG |
298 | switch (l2siz_field) { |
299 | case 0x0: | |
300 | printf(" unknown size (0x%08x)\n", cache_ctl); | |
301 | return -1; | |
302 | break; | |
303 | case 0x1: | |
304 | if (ver == SVR_8540 || ver == SVR_8560 || | |
305 | ver == SVR_8541 || ver == SVR_8541_E || | |
306 | ver == SVR_8555 || ver == SVR_8555_E) { | |
307 | puts("128 KB "); | |
308 | /* set L2E=1, L2I=1, & L2BLKSZ=1 (128 Kbyte) */ | |
309 | cache_ctl = 0xc4000000; | |
d9b94f28 | 310 | } else { |
73f15a06 KG |
311 | puts("256 KB "); |
312 | cache_ctl = 0xc0000000; /* set L2E=1, L2I=1, & L2SRAM=0 */ | |
313 | } | |
314 | break; | |
315 | case 0x2: | |
316 | if (ver == SVR_8540 || ver == SVR_8560 || | |
317 | ver == SVR_8541 || ver == SVR_8541_E || | |
318 | ver == SVR_8555 || ver == SVR_8555_E) { | |
6beecfbb | 319 | puts("256 KB "); |
29372ff3 ES |
320 | /* set L2E=1, L2I=1, & L2BLKSZ=2 (256 Kbyte) */ |
321 | cache_ctl = 0xc8000000; | |
73f15a06 KG |
322 | } else { |
323 | puts ("512 KB "); | |
324 | /* set L2E=1, L2I=1, & L2SRAM=0 */ | |
325 | cache_ctl = 0xc0000000; | |
d9b94f28 | 326 | } |
d65cfe89 | 327 | break; |
73f15a06 KG |
328 | case 0x3: |
329 | puts("1024 KB "); | |
330 | /* set L2E=1, L2I=1, & L2SRAM=0 */ | |
331 | cache_ctl = 0xc0000000; | |
29372ff3 | 332 | break; |
d65cfe89 JL |
333 | } |
334 | ||
76b474e2 | 335 | if (l2cache->l2ctl & MPC85xx_L2CTL_L2E) { |
6beecfbb | 336 | puts("already enabled"); |
29372ff3 | 337 | l2srbar = l2cache->l2srbar0; |
6d0f6bcf | 338 | #ifdef CONFIG_SYS_INIT_L2_ADDR |
76b474e2 MH |
339 | if (l2cache->l2ctl & MPC85xx_L2CTL_L2SRAM_ENTIRE |
340 | && l2srbar >= CONFIG_SYS_FLASH_BASE) { | |
6d0f6bcf | 341 | l2srbar = CONFIG_SYS_INIT_L2_ADDR; |
29372ff3 | 342 | l2cache->l2srbar0 = l2srbar; |
6d0f6bcf | 343 | printf("moving to 0x%08x", CONFIG_SYS_INIT_L2_ADDR); |
29372ff3 | 344 | } |
6d0f6bcf | 345 | #endif /* CONFIG_SYS_INIT_L2_ADDR */ |
29372ff3 ES |
346 | puts("\n"); |
347 | } else { | |
348 | asm("msync;isync"); | |
349 | l2cache->l2ctl = cache_ctl; /* invalidate & enable */ | |
350 | asm("msync;isync"); | |
6beecfbb | 351 | puts("enabled\n"); |
29372ff3 | 352 | } |
1b3e4044 KG |
353 | #elif defined(CONFIG_BACKSIDE_L2_CACHE) |
354 | u32 l2cfg0 = mfspr(SPRN_L2CFG0); | |
355 | ||
356 | /* invalidate the L2 cache */ | |
25bacf7a KG |
357 | mtspr(SPRN_L2CSR0, (L2CSR0_L2FI|L2CSR0_L2LFC)); |
358 | while (mfspr(SPRN_L2CSR0) & (L2CSR0_L2FI|L2CSR0_L2LFC)) | |
1b3e4044 KG |
359 | ; |
360 | ||
82fd1f8d KG |
361 | #ifdef CONFIG_SYS_CACHE_STASHING |
362 | /* set stash id to (coreID) * 2 + 32 + L2 (1) */ | |
363 | mtspr(SPRN_L2CSR1, (32 + 1)); | |
364 | #endif | |
365 | ||
1b3e4044 KG |
366 | /* enable the cache */ |
367 | mtspr(SPRN_L2CSR0, CONFIG_SYS_INIT_L2CSR0); | |
368 | ||
654ea1f3 DL |
369 | if (CONFIG_SYS_INIT_L2CSR0 & L2CSR0_L2E) { |
370 | while (!(mfspr(SPRN_L2CSR0) & L2CSR0_L2E)) | |
371 | ; | |
1b3e4044 | 372 | printf("%d KB enabled\n", (l2cfg0 & 0x3fff) * 64); |
654ea1f3 | 373 | } |
42d1f039 | 374 | #else |
6beecfbb | 375 | puts("disabled\n"); |
42d1f039 | 376 | #endif |
da9d4610 | 377 | #ifdef CONFIG_QE |
6d0f6bcf | 378 | uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */ |
da9d4610 AF |
379 | qe_init(qe_base); |
380 | qe_reset(); | |
381 | #endif | |
42d1f039 | 382 | |
ec2b74ff KG |
383 | #if defined(CONFIG_MP) |
384 | setup_mp(); | |
385 | #endif | |
42d1f039 WD |
386 | return 0; |
387 | } | |
26f4cdba KG |
388 | |
389 | extern void setup_ivors(void); | |
390 | ||
391 | void arch_preboot_os(void) | |
392 | { | |
15fba327 KG |
393 | u32 msr; |
394 | ||
395 | /* | |
396 | * We are changing interrupt offsets and are about to boot the OS so | |
397 | * we need to make sure we disable all async interrupts. EE is already | |
398 | * disabled by the time we get called. | |
399 | */ | |
400 | msr = mfmsr(); | |
401 | msr &= ~(MSR_ME|MSR_CE|MSR_DE); | |
402 | mtmsr(msr); | |
403 | ||
26f4cdba KG |
404 | setup_ivors(); |
405 | } |