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powerpc/usb: Workaround for erratum-A006261
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1 /*
2  * Copyright 2007-2011 Freescale Semiconductor, Inc.
3  *
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  * SPDX-License-Identifier:     GPL-2.0+
11  */
12
13 #include <common.h>
14 #include <watchdog.h>
15 #include <asm/processor.h>
16 #include <ioports.h>
17 #include <sata.h>
18 #include <fm_eth.h>
19 #include <asm/io.h>
20 #include <asm/cache.h>
21 #include <asm/mmu.h>
22 #include <asm/fsl_errata.h>
23 #include <asm/fsl_law.h>
24 #include <asm/fsl_serdes.h>
25 #include <asm/fsl_srio.h>
26 #include <fsl_usb.h>
27 #include <hwconfig.h>
28 #include <linux/compiler.h>
29 #include "mp.h"
30 #ifdef CONFIG_SYS_QE_FMAN_FW_IN_NAND
31 #include <nand.h>
32 #include <errno.h>
33 #endif
34
35 #include "../../../../drivers/block/fsl_sata.h"
36
37 DECLARE_GLOBAL_DATA_PTR;
38
39 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
40 void fsl_erratum_a006261_workaround(struct ccsr_usb_phy __iomem *usb_phy)
41 {
42 #ifdef CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE
43         u32 xcvrprg = in_be32(&usb_phy->port1.xcvrprg);
44
45         /* Increase Disconnect Threshold by 50mV */
46         xcvrprg &= ~CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_MASK |
47                                                 INC_DCNT_THRESHOLD_50MV;
48         /* Enable programming of USB High speed Disconnect threshold */
49         xcvrprg |= CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_EN;
50         out_be32(&usb_phy->port1.xcvrprg, xcvrprg);
51
52         xcvrprg = in_be32(&usb_phy->port2.xcvrprg);
53         /* Increase Disconnect Threshold by 50mV */
54         xcvrprg &= ~CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_MASK |
55                                                 INC_DCNT_THRESHOLD_50MV;
56         /* Enable programming of USB High speed Disconnect threshold */
57         xcvrprg |= CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_EN;
58         out_be32(&usb_phy->port2.xcvrprg, xcvrprg);
59 #else
60
61         u32 temp = 0;
62         u32 status = in_be32(&usb_phy->status1);
63
64         u32 squelch_prog_rd_0_2 =
65                 (status >> CONFIG_SYS_FSL_USB_SQUELCH_PROG_RD_0)
66                         & CONFIG_SYS_FSL_USB_SQUELCH_PROG_MASK;
67
68         u32 squelch_prog_rd_3_5 =
69                 (status >> CONFIG_SYS_FSL_USB_SQUELCH_PROG_RD_3)
70                         & CONFIG_SYS_FSL_USB_SQUELCH_PROG_MASK;
71
72         setbits_be32(&usb_phy->config1,
73                      CONFIG_SYS_FSL_USB_HS_DISCNCT_INC);
74         setbits_be32(&usb_phy->config2,
75                      CONFIG_SYS_FSL_USB_RX_AUTO_CAL_RD_WR_SEL);
76
77         temp = squelch_prog_rd_0_2 << CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_0;
78         out_be32(&usb_phy->config2, in_be32(&usb_phy->config2) | temp);
79
80         temp = squelch_prog_rd_3_5 << CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_3;
81         out_be32(&usb_phy->config2, in_be32(&usb_phy->config2) | temp);
82 #endif
83 }
84 #endif
85
86
87 #ifdef CONFIG_QE
88 extern qe_iop_conf_t qe_iop_conf_tab[];
89 extern void qe_config_iopin(u8 port, u8 pin, int dir,
90                                 int open_drain, int assign);
91 extern void qe_init(uint qe_base);
92 extern void qe_reset(void);
93
94 static void config_qe_ioports(void)
95 {
96         u8      port, pin;
97         int     dir, open_drain, assign;
98         int     i;
99
100         for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) {
101                 port            = qe_iop_conf_tab[i].port;
102                 pin             = qe_iop_conf_tab[i].pin;
103                 dir             = qe_iop_conf_tab[i].dir;
104                 open_drain      = qe_iop_conf_tab[i].open_drain;
105                 assign          = qe_iop_conf_tab[i].assign;
106                 qe_config_iopin(port, pin, dir, open_drain, assign);
107         }
108 }
109 #endif
110
111 #ifdef CONFIG_CPM2
112 void config_8560_ioports (volatile ccsr_cpm_t * cpm)
113 {
114         int portnum;
115
116         for (portnum = 0; portnum < 4; portnum++) {
117                 uint pmsk = 0,
118                      ppar = 0,
119                      psor = 0,
120                      pdir = 0,
121                      podr = 0,
122                      pdat = 0;
123                 iop_conf_t *iopc = (iop_conf_t *) & iop_conf_tab[portnum][0];
124                 iop_conf_t *eiopc = iopc + 32;
125                 uint msk = 1;
126
127                 /*
128                  * NOTE:
129                  * index 0 refers to pin 31,
130                  * index 31 refers to pin 0
131                  */
132                 while (iopc < eiopc) {
133                         if (iopc->conf) {
134                                 pmsk |= msk;
135                                 if (iopc->ppar)
136                                         ppar |= msk;
137                                 if (iopc->psor)
138                                         psor |= msk;
139                                 if (iopc->pdir)
140                                         pdir |= msk;
141                                 if (iopc->podr)
142                                         podr |= msk;
143                                 if (iopc->pdat)
144                                         pdat |= msk;
145                         }
146
147                         msk <<= 1;
148                         iopc++;
149                 }
150
151                 if (pmsk != 0) {
152                         volatile ioport_t *iop = ioport_addr (cpm, portnum);
153                         uint tpmsk = ~pmsk;
154
155                         /*
156                          * the (somewhat confused) paragraph at the
157                          * bottom of page 35-5 warns that there might
158                          * be "unknown behaviour" when programming
159                          * PSORx and PDIRx, if PPARx = 1, so I
160                          * decided this meant I had to disable the
161                          * dedicated function first, and enable it
162                          * last.
163                          */
164                         iop->ppar &= tpmsk;
165                         iop->psor = (iop->psor & tpmsk) | psor;
166                         iop->podr = (iop->podr & tpmsk) | podr;
167                         iop->pdat = (iop->pdat & tpmsk) | pdat;
168                         iop->pdir = (iop->pdir & tpmsk) | pdir;
169                         iop->ppar |= ppar;
170                 }
171         }
172 }
173 #endif
174
175 #ifdef CONFIG_SYS_FSL_CPC
176 static void enable_cpc(void)
177 {
178         int i;
179         u32 size = 0;
180
181         cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
182
183         for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
184                 u32 cpccfg0 = in_be32(&cpc->cpccfg0);
185                 size += CPC_CFG0_SZ_K(cpccfg0);
186 #ifdef CONFIG_RAMBOOT_PBL
187                 if (in_be32(&cpc->cpcsrcr0) & CPC_SRCR0_SRAMEN) {
188                         /* find and disable LAW of SRAM */
189                         struct law_entry law = find_law(CONFIG_SYS_INIT_L3_ADDR);
190
191                         if (law.index == -1) {
192                                 printf("\nFatal error happened\n");
193                                 return;
194                         }
195                         disable_law(law.index);
196
197                         clrbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_CDQ_SPEC_DIS);
198                         out_be32(&cpc->cpccsr0, 0);
199                         out_be32(&cpc->cpcsrcr0, 0);
200                 }
201 #endif
202
203 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002
204                 setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_TAG_ECC_SCRUB_DIS);
205 #endif
206 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A003
207                 setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_DATA_ECC_SCRUB_DIS);
208 #endif
209 #ifdef CONFIG_SYS_FSL_ERRATUM_A006593
210                 setbits_be32(&cpc->cpchdbcr0, 1 << (31 - 21));
211 #endif
212 #ifdef CONFIG_SYS_FSL_ERRATUM_A006379
213                 if (has_erratum_a006379()) {
214                         setbits_be32(&cpc->cpchdbcr0,
215                                      CPC_HDBCR0_SPLRU_LEVEL_EN);
216                 }
217 #endif
218
219                 out_be32(&cpc->cpccsr0, CPC_CSR0_CE | CPC_CSR0_PE);
220                 /* Read back to sync write */
221                 in_be32(&cpc->cpccsr0);
222
223         }
224
225         puts("Corenet Platform Cache: ");
226         print_size(size * 1024, " enabled\n");
227 }
228
229 static void invalidate_cpc(void)
230 {
231         int i;
232         cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
233
234         for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
235                 /* skip CPC when it used as all SRAM */
236                 if (in_be32(&cpc->cpcsrcr0) & CPC_SRCR0_SRAMEN)
237                         continue;
238                 /* Flash invalidate the CPC and clear all the locks */
239                 out_be32(&cpc->cpccsr0, CPC_CSR0_FI | CPC_CSR0_LFC);
240                 while (in_be32(&cpc->cpccsr0) & (CPC_CSR0_FI | CPC_CSR0_LFC))
241                         ;
242         }
243 }
244 #else
245 #define enable_cpc()
246 #define invalidate_cpc()
247 #endif /* CONFIG_SYS_FSL_CPC */
248
249 /*
250  * Breathe some life into the CPU...
251  *
252  * Set up the memory map
253  * initialize a bunch of registers
254  */
255
256 #ifdef CONFIG_FSL_CORENET
257 static void corenet_tb_init(void)
258 {
259         volatile ccsr_rcpm_t *rcpm =
260                 (void *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR);
261         volatile ccsr_pic_t *pic =
262                 (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR);
263         u32 whoami = in_be32(&pic->whoami);
264
265         /* Enable the timebase register for this core */
266         out_be32(&rcpm->ctbenrl, (1 << whoami));
267 }
268 #endif
269
270 void cpu_init_f (void)
271 {
272         extern void m8560_cpm_reset (void);
273 #ifdef CONFIG_SYS_DCSRBAR_PHYS
274         ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
275 #endif
276 #if defined(CONFIG_SECURE_BOOT)
277         struct law_entry law;
278 #endif
279 #ifdef CONFIG_MPC8548
280         ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
281         uint svr = get_svr();
282
283         /*
284          * CPU2 errata workaround: A core hang possible while executing
285          * a msync instruction and a snoopable transaction from an I/O
286          * master tagged to make quick forward progress is present.
287          * Fixed in silicon rev 2.1.
288          */
289         if ((SVR_MAJ(svr) == 1) || ((SVR_MAJ(svr) == 2 && SVR_MIN(svr) == 0x0)))
290                 out_be32(&ecm->eebpcr, in_be32(&ecm->eebpcr) | (1 << 16));
291 #endif
292
293         disable_tlb(14);
294         disable_tlb(15);
295
296 #if defined(CONFIG_SECURE_BOOT)
297         /* Disable the LAW created for NOR flash by the PBI commands */
298         law = find_law(CONFIG_SYS_PBI_FLASH_BASE);
299         if (law.index != -1)
300                 disable_law(law.index);
301 #endif
302
303 #ifdef CONFIG_CPM2
304         config_8560_ioports((ccsr_cpm_t *)CONFIG_SYS_MPC85xx_CPM_ADDR);
305 #endif
306
307        init_early_memctl_regs();
308
309 #if defined(CONFIG_CPM2)
310         m8560_cpm_reset();
311 #endif
312 #ifdef CONFIG_QE
313         /* Config QE ioports */
314         config_qe_ioports();
315 #endif
316 #if defined(CONFIG_FSL_DMA)
317         dma_init();
318 #endif
319 #ifdef CONFIG_FSL_CORENET
320         corenet_tb_init();
321 #endif
322         init_used_tlb_cams();
323
324         /* Invalidate the CPC before DDR gets enabled */
325         invalidate_cpc();
326
327  #ifdef CONFIG_SYS_DCSRBAR_PHYS
328         /* set DCSRCR so that DCSR space is 1G */
329         setbits_be32(&gur->dcsrcr, FSL_CORENET_DCSR_SZ_1G);
330         in_be32(&gur->dcsrcr);
331 #endif
332
333 }
334
335 /* Implement a dummy function for those platforms w/o SERDES */
336 static void __fsl_serdes__init(void)
337 {
338         return ;
339 }
340 __attribute__((weak, alias("__fsl_serdes__init"))) void fsl_serdes_init(void);
341
342 #if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
343 int enable_cluster_l2(void)
344 {
345         int i = 0;
346         u32 cluster;
347         ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
348         struct ccsr_cluster_l2 __iomem *l2cache;
349
350         cluster = in_be32(&gur->tp_cluster[i].lower);
351         if (cluster & TP_CLUSTER_EOC)
352                 return 0;
353
354         /* The first cache has already been set up, so skip it */
355         i++;
356
357         /* Look through the remaining clusters, and set up their caches */
358         do {
359                 int j, cluster_valid = 0;
360
361                 l2cache = (void __iomem *)(CONFIG_SYS_FSL_CLUSTER_1_L2 + i * 0x40000);
362
363                 cluster = in_be32(&gur->tp_cluster[i].lower);
364
365                 /* check that at least one core/accel is enabled in cluster */
366                 for (j = 0; j < 4; j++) {
367                         u32 idx = (cluster >> (j*8)) & TP_CLUSTER_INIT_MASK;
368                         u32 type = in_be32(&gur->tp_ityp[idx]);
369
370                         if (type & TP_ITYP_AV)
371                                 cluster_valid = 1;
372                 }
373
374                 if (cluster_valid) {
375                         /* set stash ID to (cluster) * 2 + 32 + 1 */
376                         clrsetbits_be32(&l2cache->l2csr1, 0xff, 32 + i * 2 + 1);
377
378                         printf("enable l2 for cluster %d %p\n", i, l2cache);
379
380                         out_be32(&l2cache->l2csr0, L2CSR0_L2FI|L2CSR0_L2LFC);
381                         while ((in_be32(&l2cache->l2csr0)
382                                 & (L2CSR0_L2FI|L2CSR0_L2LFC)) != 0)
383                                         ;
384                         out_be32(&l2cache->l2csr0, L2CSR0_L2E|L2CSR0_L2PE|L2CSR0_L2REP_MODE);
385                 }
386                 i++;
387         } while (!(cluster & TP_CLUSTER_EOC));
388
389         return 0;
390 }
391 #endif
392
393 /*
394  * Initialize L2 as cache.
395  *
396  * The newer 8548, etc, parts have twice as much cache, but
397  * use the same bit-encoding as the older 8555, etc, parts.
398  *
399  */
400 int cpu_init_r(void)
401 {
402         __maybe_unused u32 svr = get_svr();
403 #ifdef CONFIG_SYS_LBC_LCRR
404         fsl_lbc_t *lbc = (void __iomem *)LBC_BASE_ADDR;
405 #endif
406 #ifdef CONFIG_L2_CACHE
407         ccsr_l2cache_t *l2cache = (void __iomem *)CONFIG_SYS_MPC85xx_L2_ADDR;
408 #elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
409         struct ccsr_cluster_l2 * l2cache = (void __iomem *)CONFIG_SYS_FSL_CLUSTER_1_L2;
410 #endif
411 #if defined(CONFIG_PPC_SPINTABLE_COMPATIBLE) && defined(CONFIG_MP)
412         extern int spin_table_compat;
413         const char *spin;
414 #endif
415 #ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571
416         ccsr_sec_t __iomem *sec = (void *)CONFIG_SYS_FSL_SEC_ADDR;
417 #endif
418 #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) || \
419         defined(CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011)
420         /*
421          * CPU22 and NMG_CPU_A011 share the same workaround.
422          * CPU22 applies to P4080 rev 1.0, 2.0, fixed in 3.0
423          * NMG_CPU_A011 applies to P4080 rev 1.0, 2.0, fixed in 3.0
424          * also applies to P3041 rev 1.0, 1.1, P2041 rev 1.0, 1.1, both
425          * fixed in 2.0. NMG_CPU_A011 is activated by default and can
426          * be disabled by hwconfig with syntax:
427          *
428          * fsl_cpu_a011:disable
429          */
430         extern int enable_cpu_a011_workaround;
431 #ifdef CONFIG_SYS_P4080_ERRATUM_CPU22
432         enable_cpu_a011_workaround = (SVR_MAJ(svr) < 3);
433 #else
434         char buffer[HWCONFIG_BUFFER_SIZE];
435         char *buf = NULL;
436         int n, res;
437
438         n = getenv_f("hwconfig", buffer, sizeof(buffer));
439         if (n > 0)
440                 buf = buffer;
441
442         res = hwconfig_arg_cmp_f("fsl_cpu_a011", "disable", buf);
443         if (res > 0)
444                 enable_cpu_a011_workaround = 0;
445         else {
446                 if (n >= HWCONFIG_BUFFER_SIZE) {
447                         printf("fsl_cpu_a011 was not found. hwconfig variable "
448                                 "may be too long\n");
449                 }
450                 enable_cpu_a011_workaround =
451                         (SVR_SOC_VER(svr) == SVR_P4080 && SVR_MAJ(svr) < 3) ||
452                         (SVR_SOC_VER(svr) != SVR_P4080 && SVR_MAJ(svr) < 2);
453         }
454 #endif
455         if (enable_cpu_a011_workaround) {
456                 flush_dcache();
457                 mtspr(L1CSR2, (mfspr(L1CSR2) | L1CSR2_DCWS));
458                 sync();
459         }
460 #endif
461 #ifdef CONFIG_SYS_FSL_ERRATUM_A005812
462         /*
463          * A-005812 workaround sets bit 32 of SPR 976 for SoCs running
464          * in write shadow mode. Checking DCWS before setting SPR 976.
465          */
466         if (mfspr(L1CSR2) & L1CSR2_DCWS)
467                 mtspr(SPRN_HDBCR0, (mfspr(SPRN_HDBCR0) | 0x80000000));
468 #endif
469
470 #if defined(CONFIG_PPC_SPINTABLE_COMPATIBLE) && defined(CONFIG_MP)
471         spin = getenv("spin_table_compat");
472         if (spin && (*spin == 'n'))
473                 spin_table_compat = 0;
474         else
475                 spin_table_compat = 1;
476 #endif
477
478         puts ("L2:    ");
479
480 #if defined(CONFIG_L2_CACHE)
481         volatile uint cache_ctl;
482         uint ver;
483         u32 l2siz_field;
484
485         ver = SVR_SOC_VER(svr);
486
487         asm("msync;isync");
488         cache_ctl = l2cache->l2ctl;
489
490 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
491         if (cache_ctl & MPC85xx_L2CTL_L2E) {
492                 /* Clear L2 SRAM memory-mapped base address */
493                 out_be32(&l2cache->l2srbar0, 0x0);
494                 out_be32(&l2cache->l2srbar1, 0x0);
495
496                 /* set MBECCDIS=0, SBECCDIS=0 */
497                 clrbits_be32(&l2cache->l2errdis,
498                                 (MPC85xx_L2ERRDIS_MBECC |
499                                  MPC85xx_L2ERRDIS_SBECC));
500
501                 /* set L2E=0, L2SRAM=0 */
502                 clrbits_be32(&l2cache->l2ctl,
503                                 (MPC85xx_L2CTL_L2E |
504                                  MPC85xx_L2CTL_L2SRAM_ENTIRE));
505         }
506 #endif
507
508         l2siz_field = (cache_ctl >> 28) & 0x3;
509
510         switch (l2siz_field) {
511         case 0x0:
512                 printf(" unknown size (0x%08x)\n", cache_ctl);
513                 return -1;
514                 break;
515         case 0x1:
516                 if (ver == SVR_8540 || ver == SVR_8560   ||
517                     ver == SVR_8541 || ver == SVR_8555) {
518                         puts("128 KiB ");
519                         /* set L2E=1, L2I=1, & L2BLKSZ=1 (128 KiBibyte) */
520                         cache_ctl = 0xc4000000;
521                 } else {
522                         puts("256 KiB ");
523                         cache_ctl = 0xc0000000; /* set L2E=1, L2I=1, & L2SRAM=0 */
524                 }
525                 break;
526         case 0x2:
527                 if (ver == SVR_8540 || ver == SVR_8560   ||
528                     ver == SVR_8541 || ver == SVR_8555) {
529                         puts("256 KiB ");
530                         /* set L2E=1, L2I=1, & L2BLKSZ=2 (256 KiBibyte) */
531                         cache_ctl = 0xc8000000;
532                 } else {
533                         puts("512 KiB ");
534                         /* set L2E=1, L2I=1, & L2SRAM=0 */
535                         cache_ctl = 0xc0000000;
536                 }
537                 break;
538         case 0x3:
539                 puts("1024 KiB ");
540                 /* set L2E=1, L2I=1, & L2SRAM=0 */
541                 cache_ctl = 0xc0000000;
542                 break;
543         }
544
545         if (l2cache->l2ctl & MPC85xx_L2CTL_L2E) {
546                 puts("already enabled");
547 #if defined(CONFIG_SYS_INIT_L2_ADDR) && defined(CONFIG_SYS_FLASH_BASE)
548                 u32 l2srbar = l2cache->l2srbar0;
549                 if (l2cache->l2ctl & MPC85xx_L2CTL_L2SRAM_ENTIRE
550                                 && l2srbar >= CONFIG_SYS_FLASH_BASE) {
551                         l2srbar = CONFIG_SYS_INIT_L2_ADDR;
552                         l2cache->l2srbar0 = l2srbar;
553                         printf(", moving to 0x%08x", CONFIG_SYS_INIT_L2_ADDR);
554                 }
555 #endif /* CONFIG_SYS_INIT_L2_ADDR */
556                 puts("\n");
557         } else {
558                 asm("msync;isync");
559                 l2cache->l2ctl = cache_ctl; /* invalidate & enable */
560                 asm("msync;isync");
561                 puts("enabled\n");
562         }
563 #elif defined(CONFIG_BACKSIDE_L2_CACHE)
564         if (SVR_SOC_VER(svr) == SVR_P2040) {
565                 puts("N/A\n");
566                 goto skip_l2;
567         }
568
569         u32 l2cfg0 = mfspr(SPRN_L2CFG0);
570
571         /* invalidate the L2 cache */
572         mtspr(SPRN_L2CSR0, (L2CSR0_L2FI|L2CSR0_L2LFC));
573         while (mfspr(SPRN_L2CSR0) & (L2CSR0_L2FI|L2CSR0_L2LFC))
574                 ;
575
576 #ifdef CONFIG_SYS_CACHE_STASHING
577         /* set stash id to (coreID) * 2 + 32 + L2 (1) */
578         mtspr(SPRN_L2CSR1, (32 + 1));
579 #endif
580
581         /* enable the cache */
582         mtspr(SPRN_L2CSR0, CONFIG_SYS_INIT_L2CSR0);
583
584         if (CONFIG_SYS_INIT_L2CSR0 & L2CSR0_L2E) {
585                 while (!(mfspr(SPRN_L2CSR0) & L2CSR0_L2E))
586                         ;
587                 print_size((l2cfg0 & 0x3fff) * 64 * 1024, " enabled\n");
588         }
589
590 skip_l2:
591 #elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
592         if (l2cache->l2csr0 & L2CSR0_L2E)
593                 print_size((l2cache->l2cfg0 & 0x3fff) * 64 * 1024,
594                            " enabled\n");
595
596         enable_cluster_l2();
597 #else
598         puts("disabled\n");
599 #endif
600
601         enable_cpc();
602
603 #ifndef CONFIG_SYS_FSL_NO_SERDES
604         /* needs to be in ram since code uses global static vars */
605         fsl_serdes_init();
606 #endif
607
608 #ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571
609 #define MCFGR_AXIPIPE 0x000000f0
610         if (IS_SVR_REV(svr, 1, 0))
611                 clrbits_be32(&sec->mcfgr, MCFGR_AXIPIPE);
612 #endif
613
614 #ifdef CONFIG_SYS_FSL_ERRATUM_A005871
615         if (IS_SVR_REV(svr, 1, 0)) {
616                 int i;
617                 __be32 *p = (void __iomem *)CONFIG_SYS_DCSRBAR + 0xb004c;
618
619                 for (i = 0; i < 12; i++) {
620                         p += i + (i > 5 ? 11 : 0);
621                         out_be32(p, 0x2);
622                 }
623                 p = (void __iomem *)CONFIG_SYS_DCSRBAR + 0xb0108;
624                 out_be32(p, 0x34);
625         }
626 #endif
627
628 #ifdef CONFIG_SYS_SRIO
629         srio_init();
630 #ifdef CONFIG_SRIO_PCIE_BOOT_MASTER
631         char *s = getenv("bootmaster");
632         if (s) {
633                 if (!strcmp(s, "SRIO1")) {
634                         srio_boot_master(1);
635                         srio_boot_master_release_slave(1);
636                 }
637                 if (!strcmp(s, "SRIO2")) {
638                         srio_boot_master(2);
639                         srio_boot_master_release_slave(2);
640                 }
641         }
642 #endif
643 #endif
644
645 #if defined(CONFIG_MP)
646         setup_mp();
647 #endif
648
649 #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC13
650         {
651                 if (SVR_MAJ(svr) < 3) {
652                         void *p;
653                         p = (void *)CONFIG_SYS_DCSRBAR + 0x20520;
654                         setbits_be32(p, 1 << (31 - 14));
655                 }
656         }
657 #endif
658
659 #ifdef CONFIG_SYS_LBC_LCRR
660         /*
661          * Modify the CLKDIV field of LCRR register to improve the writing
662          * speed for NOR flash.
663          */
664         clrsetbits_be32(&lbc->lcrr, LCRR_CLKDIV, CONFIG_SYS_LBC_LCRR);
665         __raw_readl(&lbc->lcrr);
666         isync();
667 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_LBC103
668         udelay(100);
669 #endif
670 #endif
671
672 #ifdef CONFIG_SYS_FSL_USB1_PHY_ENABLE
673         {
674                 struct ccsr_usb_phy __iomem *usb_phy1 =
675                         (void *)CONFIG_SYS_MPC85xx_USB1_PHY_ADDR;
676 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
677                 if (has_erratum_a006261())
678                         fsl_erratum_a006261_workaround(usb_phy1);
679 #endif
680                 out_be32(&usb_phy1->usb_enable_override,
681                                 CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE);
682         }
683 #endif
684 #ifdef CONFIG_SYS_FSL_USB2_PHY_ENABLE
685         {
686                 struct ccsr_usb_phy __iomem *usb_phy2 =
687                         (void *)CONFIG_SYS_MPC85xx_USB2_PHY_ADDR;
688 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
689                 if (has_erratum_a006261())
690                         fsl_erratum_a006261_workaround(usb_phy2);
691 #endif
692                 out_be32(&usb_phy2->usb_enable_override,
693                                 CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE);
694         }
695 #endif
696
697 #ifdef CONFIG_SYS_FSL_ERRATUM_USB14
698         /* On P204x/P304x/P50x0 Rev1.0, USB transmit will result internal
699          * multi-bit ECC errors which has impact on performance, so software
700          * should disable all ECC reporting from USB1 and USB2.
701          */
702         if (IS_SVR_REV(get_svr(), 1, 0)) {
703                 struct dcsr_dcfg_regs *dcfg = (struct dcsr_dcfg_regs *)
704                         (CONFIG_SYS_DCSRBAR + CONFIG_SYS_DCSR_DCFG_OFFSET);
705                 setbits_be32(&dcfg->ecccr1,
706                                 (DCSR_DCFG_ECC_DISABLE_USB1 |
707                                  DCSR_DCFG_ECC_DISABLE_USB2));
708         }
709 #endif
710
711 #if defined(CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE)
712                 struct ccsr_usb_phy __iomem *usb_phy =
713                         (void *)CONFIG_SYS_MPC85xx_USB1_PHY_ADDR;
714                 setbits_be32(&usb_phy->pllprg[1],
715                              CONFIG_SYS_FSL_USB_PLLPRG2_PHY2_CLK_EN |
716                              CONFIG_SYS_FSL_USB_PLLPRG2_PHY1_CLK_EN |
717                              CONFIG_SYS_FSL_USB_PLLPRG2_MFI |
718                              CONFIG_SYS_FSL_USB_PLLPRG2_PLL_EN);
719                 setbits_be32(&usb_phy->port1.ctrl,
720                              CONFIG_SYS_FSL_USB_CTRL_PHY_EN);
721                 setbits_be32(&usb_phy->port1.drvvbuscfg,
722                              CONFIG_SYS_FSL_USB_DRVVBUS_CR_EN);
723                 setbits_be32(&usb_phy->port1.pwrfltcfg,
724                              CONFIG_SYS_FSL_USB_PWRFLT_CR_EN);
725                 setbits_be32(&usb_phy->port2.ctrl,
726                              CONFIG_SYS_FSL_USB_CTRL_PHY_EN);
727                 setbits_be32(&usb_phy->port2.drvvbuscfg,
728                              CONFIG_SYS_FSL_USB_DRVVBUS_CR_EN);
729                 setbits_be32(&usb_phy->port2.pwrfltcfg,
730                              CONFIG_SYS_FSL_USB_PWRFLT_CR_EN);
731
732 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
733                 if (has_erratum_a006261())
734                         fsl_erratum_a006261_workaround(usb_phy);
735 #endif
736
737 #endif /* CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE */
738
739 #ifdef CONFIG_FMAN_ENET
740         fman_enet_init();
741 #endif
742
743 #if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_FSL_SATA_ERRATUM_A001)
744         /*
745          * For P1022/1013 Rev1.0 silicon, after power on SATA host
746          * controller is configured in legacy mode instead of the
747          * expected enterprise mode. Software needs to clear bit[28]
748          * of HControl register to change to enterprise mode from
749          * legacy mode.  We assume that the controller is offline.
750          */
751         if (IS_SVR_REV(svr, 1, 0) &&
752             ((SVR_SOC_VER(svr) == SVR_P1022) ||
753              (SVR_SOC_VER(svr) == SVR_P1013))) {
754                 fsl_sata_reg_t *reg;
755
756                 /* first SATA controller */
757                 reg = (void *)CONFIG_SYS_MPC85xx_SATA1_ADDR;
758                 clrbits_le32(&reg->hcontrol, HCONTROL_ENTERPRISE_EN);
759
760                 /* second SATA controller */
761                 reg = (void *)CONFIG_SYS_MPC85xx_SATA2_ADDR;
762                 clrbits_le32(&reg->hcontrol, HCONTROL_ENTERPRISE_EN);
763         }
764 #endif
765
766
767         return 0;
768 }
769
770 extern void setup_ivors(void);
771
772 void arch_preboot_os(void)
773 {
774         u32 msr;
775
776         /*
777          * We are changing interrupt offsets and are about to boot the OS so
778          * we need to make sure we disable all async interrupts. EE is already
779          * disabled by the time we get called.
780          */
781         msr = mfmsr();
782         msr &= ~(MSR_ME|MSR_CE);
783         mtmsr(msr);
784
785         setup_ivors();
786 }
787
788 #if defined(CONFIG_CMD_SATA) && defined(CONFIG_FSL_SATA)
789 int sata_initialize(void)
790 {
791         if (is_serdes_configured(SATA1) || is_serdes_configured(SATA2))
792                 return __sata_initialize();
793
794         return 1;
795 }
796 #endif
797
798 void cpu_secondary_init_r(void)
799 {
800 #ifdef CONFIG_QE
801         uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */
802 #ifdef CONFIG_SYS_QE_FMAN_FW_IN_NAND
803         int ret;
804         size_t fw_length = CONFIG_SYS_QE_FMAN_FW_LENGTH;
805
806         /* load QE firmware from NAND flash to DDR first */
807         ret = nand_read(&nand_info[0], (loff_t)CONFIG_SYS_QE_FMAN_FW_IN_NAND,
808                         &fw_length, (u_char *)CONFIG_SYS_QE_FMAN_FW_ADDR);
809
810         if (ret && ret == -EUCLEAN) {
811                 printf ("NAND read for QE firmware at offset %x failed %d\n",
812                                 CONFIG_SYS_QE_FMAN_FW_IN_NAND, ret);
813         }
814 #endif
815         qe_init(qe_base);
816         qe_reset();
817 #endif
818 }