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  * 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 <sata.h>
34 #include <fm_eth.h>
35 #include <asm/io.h>
36 #include <asm/cache.h>
37 #include <asm/mmu.h>
38 #include <asm/fsl_law.h>
39 #include <asm/fsl_serdes.h>
40 #include <asm/fsl_srio.h>
41 #include <hwconfig.h>
42 #include <linux/compiler.h>
43 #include "mp.h"
44 #ifdef CONFIG_SYS_QE_FMAN_FW_IN_NAND
45 #include <nand.h>
46 #include <errno.h>
47 #endif
48 
49 #include "../../../../drivers/block/fsl_sata.h"
50 
51 DECLARE_GLOBAL_DATA_PTR;
52 
53 #ifdef CONFIG_QE
54 extern qe_iop_conf_t qe_iop_conf_tab[];
55 extern void qe_config_iopin(u8 port, u8 pin, int dir,
56 				int open_drain, int assign);
57 extern void qe_init(uint qe_base);
58 extern void qe_reset(void);
59 
60 static void config_qe_ioports(void)
61 {
62 	u8      port, pin;
63 	int     dir, open_drain, assign;
64 	int     i;
65 
66 	for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) {
67 		port		= qe_iop_conf_tab[i].port;
68 		pin		= qe_iop_conf_tab[i].pin;
69 		dir		= qe_iop_conf_tab[i].dir;
70 		open_drain	= qe_iop_conf_tab[i].open_drain;
71 		assign		= qe_iop_conf_tab[i].assign;
72 		qe_config_iopin(port, pin, dir, open_drain, assign);
73 	}
74 }
75 #endif
76 
77 #ifdef CONFIG_CPM2
78 void config_8560_ioports (volatile ccsr_cpm_t * cpm)
79 {
80 	int portnum;
81 
82 	for (portnum = 0; portnum < 4; portnum++) {
83 		uint pmsk = 0,
84 		     ppar = 0,
85 		     psor = 0,
86 		     pdir = 0,
87 		     podr = 0,
88 		     pdat = 0;
89 		iop_conf_t *iopc = (iop_conf_t *) & iop_conf_tab[portnum][0];
90 		iop_conf_t *eiopc = iopc + 32;
91 		uint msk = 1;
92 
93 		/*
94 		 * NOTE:
95 		 * index 0 refers to pin 31,
96 		 * index 31 refers to pin 0
97 		 */
98 		while (iopc < eiopc) {
99 			if (iopc->conf) {
100 				pmsk |= msk;
101 				if (iopc->ppar)
102 					ppar |= msk;
103 				if (iopc->psor)
104 					psor |= msk;
105 				if (iopc->pdir)
106 					pdir |= msk;
107 				if (iopc->podr)
108 					podr |= msk;
109 				if (iopc->pdat)
110 					pdat |= msk;
111 			}
112 
113 			msk <<= 1;
114 			iopc++;
115 		}
116 
117 		if (pmsk != 0) {
118 			volatile ioport_t *iop = ioport_addr (cpm, portnum);
119 			uint tpmsk = ~pmsk;
120 
121 			/*
122 			 * the (somewhat confused) paragraph at the
123 			 * bottom of page 35-5 warns that there might
124 			 * be "unknown behaviour" when programming
125 			 * PSORx and PDIRx, if PPARx = 1, so I
126 			 * decided this meant I had to disable the
127 			 * dedicated function first, and enable it
128 			 * last.
129 			 */
130 			iop->ppar &= tpmsk;
131 			iop->psor = (iop->psor & tpmsk) | psor;
132 			iop->podr = (iop->podr & tpmsk) | podr;
133 			iop->pdat = (iop->pdat & tpmsk) | pdat;
134 			iop->pdir = (iop->pdir & tpmsk) | pdir;
135 			iop->ppar |= ppar;
136 		}
137 	}
138 }
139 #endif
140 
141 #ifdef CONFIG_SYS_FSL_CPC
142 static void enable_cpc(void)
143 {
144 	int i;
145 	u32 size = 0;
146 
147 	cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
148 
149 	for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
150 		u32 cpccfg0 = in_be32(&cpc->cpccfg0);
151 		size += CPC_CFG0_SZ_K(cpccfg0);
152 #ifdef CONFIG_RAMBOOT_PBL
153 		if (in_be32(&cpc->cpcsrcr0) & CPC_SRCR0_SRAMEN) {
154 			/* find and disable LAW of SRAM */
155 			struct law_entry law = find_law(CONFIG_SYS_INIT_L3_ADDR);
156 
157 			if (law.index == -1) {
158 				printf("\nFatal error happened\n");
159 				return;
160 			}
161 			disable_law(law.index);
162 
163 			clrbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_CDQ_SPEC_DIS);
164 			out_be32(&cpc->cpccsr0, 0);
165 			out_be32(&cpc->cpcsrcr0, 0);
166 		}
167 #endif
168 
169 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002
170 		setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_TAG_ECC_SCRUB_DIS);
171 #endif
172 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A003
173 		setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_DATA_ECC_SCRUB_DIS);
174 #endif
175 
176 		out_be32(&cpc->cpccsr0, CPC_CSR0_CE | CPC_CSR0_PE);
177 		/* Read back to sync write */
178 		in_be32(&cpc->cpccsr0);
179 
180 	}
181 
182 	printf("Corenet Platform Cache: %d KB enabled\n", size);
183 }
184 
185 void invalidate_cpc(void)
186 {
187 	int i;
188 	cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
189 
190 	for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
191 		/* skip CPC when it used as all SRAM */
192 		if (in_be32(&cpc->cpcsrcr0) & CPC_SRCR0_SRAMEN)
193 			continue;
194 		/* Flash invalidate the CPC and clear all the locks */
195 		out_be32(&cpc->cpccsr0, CPC_CSR0_FI | CPC_CSR0_LFC);
196 		while (in_be32(&cpc->cpccsr0) & (CPC_CSR0_FI | CPC_CSR0_LFC))
197 			;
198 	}
199 }
200 #else
201 #define enable_cpc()
202 #define invalidate_cpc()
203 #endif /* CONFIG_SYS_FSL_CPC */
204 
205 /*
206  * Breathe some life into the CPU...
207  *
208  * Set up the memory map
209  * initialize a bunch of registers
210  */
211 
212 #ifdef CONFIG_FSL_CORENET
213 static void corenet_tb_init(void)
214 {
215 	volatile ccsr_rcpm_t *rcpm =
216 		(void *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR);
217 	volatile ccsr_pic_t *pic =
218 		(void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR);
219 	u32 whoami = in_be32(&pic->whoami);
220 
221 	/* Enable the timebase register for this core */
222 	out_be32(&rcpm->ctbenrl, (1 << whoami));
223 }
224 #endif
225 
226 void cpu_init_f (void)
227 {
228 	extern void m8560_cpm_reset (void);
229 #ifdef CONFIG_SYS_DCSRBAR_PHYS
230 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
231 #endif
232 #if defined(CONFIG_SECURE_BOOT)
233 	struct law_entry law;
234 #endif
235 #ifdef CONFIG_MPC8548
236 	ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
237 	uint svr = get_svr();
238 
239 	/*
240 	 * CPU2 errata workaround: A core hang possible while executing
241 	 * a msync instruction and a snoopable transaction from an I/O
242 	 * master tagged to make quick forward progress is present.
243 	 * Fixed in silicon rev 2.1.
244 	 */
245 	if ((SVR_MAJ(svr) == 1) || ((SVR_MAJ(svr) == 2 && SVR_MIN(svr) == 0x0)))
246 		out_be32(&ecm->eebpcr, in_be32(&ecm->eebpcr) | (1 << 16));
247 #endif
248 
249 	disable_tlb(14);
250 	disable_tlb(15);
251 
252 #if defined(CONFIG_SECURE_BOOT)
253 	/* Disable the LAW created for NOR flash by the PBI commands */
254 	law = find_law(CONFIG_SYS_PBI_FLASH_BASE);
255 	if (law.index != -1)
256 		disable_law(law.index);
257 #endif
258 
259 #ifdef CONFIG_CPM2
260 	config_8560_ioports((ccsr_cpm_t *)CONFIG_SYS_MPC85xx_CPM_ADDR);
261 #endif
262 
263        init_early_memctl_regs();
264 
265 #if defined(CONFIG_CPM2)
266 	m8560_cpm_reset();
267 #endif
268 #ifdef CONFIG_QE
269 	/* Config QE ioports */
270 	config_qe_ioports();
271 #endif
272 #if defined(CONFIG_FSL_DMA)
273 	dma_init();
274 #endif
275 #ifdef CONFIG_FSL_CORENET
276 	corenet_tb_init();
277 #endif
278 	init_used_tlb_cams();
279 
280 	/* Invalidate the CPC before DDR gets enabled */
281 	invalidate_cpc();
282 
283  #ifdef CONFIG_SYS_DCSRBAR_PHYS
284 	/* set DCSRCR so that DCSR space is 1G */
285 	setbits_be32(&gur->dcsrcr, FSL_CORENET_DCSR_SZ_1G);
286 	in_be32(&gur->dcsrcr);
287 #endif
288 
289 }
290 
291 /* Implement a dummy function for those platforms w/o SERDES */
292 static void __fsl_serdes__init(void)
293 {
294 	return ;
295 }
296 __attribute__((weak, alias("__fsl_serdes__init"))) void fsl_serdes_init(void);
297 
298 #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
299 int enable_cluster_l2(void)
300 {
301 	int i = 0;
302 	u32 cluster;
303 	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
304 	struct ccsr_cluster_l2 __iomem *l2cache;
305 
306 	cluster = in_be32(&gur->tp_cluster[i].lower);
307 	if (cluster & TP_CLUSTER_EOC)
308 		return 0;
309 
310 	/* The first cache has already been set up, so skip it */
311 	i++;
312 
313 	/* Look through the remaining clusters, and set up their caches */
314 	do {
315 		l2cache = (void __iomem *)(CONFIG_SYS_FSL_CLUSTER_1_L2 + i * 0x40000);
316 		cluster = in_be32(&gur->tp_cluster[i].lower);
317 
318 		/* set stash ID to (cluster) * 2 + 32 + 1 */
319 		clrsetbits_be32(&l2cache->l2csr1, 0xff, 32 + i * 2 + 1);
320 
321 		printf("enable l2 for cluster %d %p\n", i, l2cache);
322 
323 		out_be32(&l2cache->l2csr0, L2CSR0_L2FI|L2CSR0_L2LFC);
324 		while ((in_be32(&l2cache->l2csr0) &
325 			(L2CSR0_L2FI|L2CSR0_L2LFC)) != 0)
326 			;
327 		out_be32(&l2cache->l2csr0, L2CSR0_L2E);
328 		i++;
329 	} while (!(cluster & TP_CLUSTER_EOC));
330 
331 	return 0;
332 }
333 #endif
334 
335 /*
336  * Initialize L2 as cache.
337  *
338  * The newer 8548, etc, parts have twice as much cache, but
339  * use the same bit-encoding as the older 8555, etc, parts.
340  *
341  */
342 int cpu_init_r(void)
343 {
344 	__maybe_unused u32 svr = get_svr();
345 #ifdef CONFIG_SYS_LBC_LCRR
346 	fsl_lbc_t *lbc = (void __iomem *)LBC_BASE_ADDR;
347 #endif
348 #ifdef CONFIG_L2_CACHE
349 	ccsr_l2cache_t *l2cache = (void __iomem *)CONFIG_SYS_MPC85xx_L2_ADDR;
350 #elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
351 	struct ccsr_cluster_l2 * l2cache = (void __iomem *)CONFIG_SYS_FSL_CLUSTER_1_L2;
352 #endif
353 
354 #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) || \
355 	defined(CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011)
356 	/*
357 	 * CPU22 and NMG_CPU_A011 share the same workaround.
358 	 * CPU22 applies to P4080 rev 1.0, 2.0, fixed in 3.0
359 	 * NMG_CPU_A011 applies to P4080 rev 1.0, 2.0, fixed in 3.0
360 	 * also applies to P3041 rev 1.0, 1.1, P2041 rev 1.0, 1.1, both
361 	 * fixed in 2.0. NMG_CPU_A011 is activated by default and can
362 	 * be disabled by hwconfig with syntax:
363 	 *
364 	 * fsl_cpu_a011:disable
365 	 */
366 	extern int enable_cpu_a011_workaround;
367 #ifdef CONFIG_SYS_P4080_ERRATUM_CPU22
368 	enable_cpu_a011_workaround = (SVR_MAJ(svr) < 3);
369 #else
370 	char buffer[HWCONFIG_BUFFER_SIZE];
371 	char *buf = NULL;
372 	int n, res;
373 
374 	n = getenv_f("hwconfig", buffer, sizeof(buffer));
375 	if (n > 0)
376 		buf = buffer;
377 
378 	res = hwconfig_arg_cmp_f("fsl_cpu_a011", "disable", buf);
379 	if (res > 0)
380 		enable_cpu_a011_workaround = 0;
381 	else {
382 		if (n >= HWCONFIG_BUFFER_SIZE) {
383 			printf("fsl_cpu_a011 was not found. hwconfig variable "
384 				"may be too long\n");
385 		}
386 		enable_cpu_a011_workaround =
387 			(SVR_SOC_VER(svr) == SVR_P4080 && SVR_MAJ(svr) < 3) ||
388 			(SVR_SOC_VER(svr) != SVR_P4080 && SVR_MAJ(svr) < 2);
389 	}
390 #endif
391 	if (enable_cpu_a011_workaround) {
392 		flush_dcache();
393 		mtspr(L1CSR2, (mfspr(L1CSR2) | L1CSR2_DCWS));
394 		sync();
395 	}
396 #endif
397 
398 	puts ("L2:    ");
399 
400 #if defined(CONFIG_L2_CACHE)
401 	volatile uint cache_ctl;
402 	uint ver;
403 	u32 l2siz_field;
404 
405 	ver = SVR_SOC_VER(svr);
406 
407 	asm("msync;isync");
408 	cache_ctl = l2cache->l2ctl;
409 
410 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
411 	if (cache_ctl & MPC85xx_L2CTL_L2E) {
412 		/* Clear L2 SRAM memory-mapped base address */
413 		out_be32(&l2cache->l2srbar0, 0x0);
414 		out_be32(&l2cache->l2srbar1, 0x0);
415 
416 		/* set MBECCDIS=0, SBECCDIS=0 */
417 		clrbits_be32(&l2cache->l2errdis,
418 				(MPC85xx_L2ERRDIS_MBECC |
419 				 MPC85xx_L2ERRDIS_SBECC));
420 
421 		/* set L2E=0, L2SRAM=0 */
422 		clrbits_be32(&l2cache->l2ctl,
423 				(MPC85xx_L2CTL_L2E |
424 				 MPC85xx_L2CTL_L2SRAM_ENTIRE));
425 	}
426 #endif
427 
428 	l2siz_field = (cache_ctl >> 28) & 0x3;
429 
430 	switch (l2siz_field) {
431 	case 0x0:
432 		printf(" unknown size (0x%08x)\n", cache_ctl);
433 		return -1;
434 		break;
435 	case 0x1:
436 		if (ver == SVR_8540 || ver == SVR_8560   ||
437 		    ver == SVR_8541 || ver == SVR_8555) {
438 			puts("128 KB ");
439 			/* set L2E=1, L2I=1, & L2BLKSZ=1 (128 Kbyte) */
440 			cache_ctl = 0xc4000000;
441 		} else {
442 			puts("256 KB ");
443 			cache_ctl = 0xc0000000; /* set L2E=1, L2I=1, & L2SRAM=0 */
444 		}
445 		break;
446 	case 0x2:
447 		if (ver == SVR_8540 || ver == SVR_8560   ||
448 		    ver == SVR_8541 || ver == SVR_8555) {
449 			puts("256 KB ");
450 			/* set L2E=1, L2I=1, & L2BLKSZ=2 (256 Kbyte) */
451 			cache_ctl = 0xc8000000;
452 		} else {
453 			puts ("512 KB ");
454 			/* set L2E=1, L2I=1, & L2SRAM=0 */
455 			cache_ctl = 0xc0000000;
456 		}
457 		break;
458 	case 0x3:
459 		puts("1024 KB ");
460 		/* set L2E=1, L2I=1, & L2SRAM=0 */
461 		cache_ctl = 0xc0000000;
462 		break;
463 	}
464 
465 	if (l2cache->l2ctl & MPC85xx_L2CTL_L2E) {
466 		puts("already enabled");
467 #if defined(CONFIG_SYS_INIT_L2_ADDR) && defined(CONFIG_SYS_FLASH_BASE)
468 		u32 l2srbar = l2cache->l2srbar0;
469 		if (l2cache->l2ctl & MPC85xx_L2CTL_L2SRAM_ENTIRE
470 				&& l2srbar >= CONFIG_SYS_FLASH_BASE) {
471 			l2srbar = CONFIG_SYS_INIT_L2_ADDR;
472 			l2cache->l2srbar0 = l2srbar;
473 			printf("moving to 0x%08x", CONFIG_SYS_INIT_L2_ADDR);
474 		}
475 #endif /* CONFIG_SYS_INIT_L2_ADDR */
476 		puts("\n");
477 	} else {
478 		asm("msync;isync");
479 		l2cache->l2ctl = cache_ctl; /* invalidate & enable */
480 		asm("msync;isync");
481 		puts("enabled\n");
482 	}
483 #elif defined(CONFIG_BACKSIDE_L2_CACHE)
484 	if (SVR_SOC_VER(svr) == SVR_P2040) {
485 		puts("N/A\n");
486 		goto skip_l2;
487 	}
488 
489 	u32 l2cfg0 = mfspr(SPRN_L2CFG0);
490 
491 	/* invalidate the L2 cache */
492 	mtspr(SPRN_L2CSR0, (L2CSR0_L2FI|L2CSR0_L2LFC));
493 	while (mfspr(SPRN_L2CSR0) & (L2CSR0_L2FI|L2CSR0_L2LFC))
494 		;
495 
496 #ifdef CONFIG_SYS_CACHE_STASHING
497 	/* set stash id to (coreID) * 2 + 32 + L2 (1) */
498 	mtspr(SPRN_L2CSR1, (32 + 1));
499 #endif
500 
501 	/* enable the cache */
502 	mtspr(SPRN_L2CSR0, CONFIG_SYS_INIT_L2CSR0);
503 
504 	if (CONFIG_SYS_INIT_L2CSR0 & L2CSR0_L2E) {
505 		while (!(mfspr(SPRN_L2CSR0) & L2CSR0_L2E))
506 			;
507 		printf("%d KB enabled\n", (l2cfg0 & 0x3fff) * 64);
508 	}
509 
510 skip_l2:
511 #elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
512 	if (l2cache->l2csr0 & L2CSR0_L2E)
513 		printf("%d KB enabled\n", (l2cache->l2cfg0 & 0x3fff) * 64);
514 
515 	enable_cluster_l2();
516 #else
517 	puts("disabled\n");
518 #endif
519 
520 	enable_cpc();
521 
522 	/* needs to be in ram since code uses global static vars */
523 	fsl_serdes_init();
524 
525 #ifdef CONFIG_SYS_SRIO
526 	srio_init();
527 #ifdef CONFIG_SYS_FSL_SRIO_PCIE_BOOT_MASTER
528 	char *s = getenv("bootmaster");
529 	if (s) {
530 		if (!strcmp(s, "SRIO1")) {
531 			srio_boot_master(1);
532 			srio_boot_master_release_slave(1);
533 		}
534 		if (!strcmp(s, "SRIO2")) {
535 			srio_boot_master(2);
536 			srio_boot_master_release_slave(2);
537 		}
538 	}
539 #endif
540 #endif
541 
542 #if defined(CONFIG_MP)
543 	setup_mp();
544 #endif
545 
546 #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC13
547 	{
548 		if (SVR_MAJ(svr) < 3) {
549 			void *p;
550 			p = (void *)CONFIG_SYS_DCSRBAR + 0x20520;
551 			setbits_be32(p, 1 << (31 - 14));
552 		}
553 	}
554 #endif
555 
556 #ifdef CONFIG_SYS_LBC_LCRR
557 	/*
558 	 * Modify the CLKDIV field of LCRR register to improve the writing
559 	 * speed for NOR flash.
560 	 */
561 	clrsetbits_be32(&lbc->lcrr, LCRR_CLKDIV, CONFIG_SYS_LBC_LCRR);
562 	__raw_readl(&lbc->lcrr);
563 	isync();
564 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_LBC103
565 	udelay(100);
566 #endif
567 #endif
568 
569 #ifdef CONFIG_SYS_FSL_USB1_PHY_ENABLE
570 	{
571 		ccsr_usb_phy_t *usb_phy1 =
572 			(void *)CONFIG_SYS_MPC85xx_USB1_PHY_ADDR;
573 		out_be32(&usb_phy1->usb_enable_override,
574 				CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE);
575 	}
576 #endif
577 #ifdef CONFIG_SYS_FSL_USB2_PHY_ENABLE
578 	{
579 		ccsr_usb_phy_t *usb_phy2 =
580 			(void *)CONFIG_SYS_MPC85xx_USB2_PHY_ADDR;
581 		out_be32(&usb_phy2->usb_enable_override,
582 				CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE);
583 	}
584 #endif
585 
586 #ifdef CONFIG_FMAN_ENET
587 	fman_enet_init();
588 #endif
589 
590 #if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_FSL_SATA_ERRATUM_A001)
591 	/*
592 	 * For P1022/1013 Rev1.0 silicon, after power on SATA host
593 	 * controller is configured in legacy mode instead of the
594 	 * expected enterprise mode. Software needs to clear bit[28]
595 	 * of HControl register to change to enterprise mode from
596 	 * legacy mode.  We assume that the controller is offline.
597 	 */
598 	if (IS_SVR_REV(svr, 1, 0) &&
599 	    ((SVR_SOC_VER(svr) == SVR_P1022) ||
600 	     (SVR_SOC_VER(svr) == SVR_P1013))) {
601 		fsl_sata_reg_t *reg;
602 
603 		/* first SATA controller */
604 		reg = (void *)CONFIG_SYS_MPC85xx_SATA1_ADDR;
605 		clrbits_le32(&reg->hcontrol, HCONTROL_ENTERPRISE_EN);
606 
607 		/* second SATA controller */
608 		reg = (void *)CONFIG_SYS_MPC85xx_SATA2_ADDR;
609 		clrbits_le32(&reg->hcontrol, HCONTROL_ENTERPRISE_EN);
610 	}
611 #endif
612 
613 
614 	return 0;
615 }
616 
617 extern void setup_ivors(void);
618 
619 void arch_preboot_os(void)
620 {
621 	u32 msr;
622 
623 	/*
624 	 * We are changing interrupt offsets and are about to boot the OS so
625 	 * we need to make sure we disable all async interrupts. EE is already
626 	 * disabled by the time we get called.
627 	 */
628 	msr = mfmsr();
629 	msr &= ~(MSR_ME|MSR_CE);
630 	mtmsr(msr);
631 
632 	setup_ivors();
633 }
634 
635 #if defined(CONFIG_CMD_SATA) && defined(CONFIG_FSL_SATA)
636 int sata_initialize(void)
637 {
638 	if (is_serdes_configured(SATA1) || is_serdes_configured(SATA2))
639 		return __sata_initialize();
640 
641 	return 1;
642 }
643 #endif
644 
645 void cpu_secondary_init_r(void)
646 {
647 #ifdef CONFIG_QE
648 	uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */
649 #ifdef CONFIG_SYS_QE_FMAN_FW_IN_NAND
650 	int ret;
651 	size_t fw_length = CONFIG_SYS_QE_FMAN_FW_LENGTH;
652 
653 	/* load QE firmware from NAND flash to DDR first */
654 	ret = nand_read(&nand_info[0], (loff_t)CONFIG_SYS_QE_FMAN_FW_IN_NAND,
655 			&fw_length, (u_char *)CONFIG_SYS_QE_FMAN_FW_ADDR);
656 
657 	if (ret && ret == -EUCLEAN) {
658 		printf ("NAND read for QE firmware at offset %x failed %d\n",
659 				CONFIG_SYS_QE_FMAN_FW_IN_NAND, ret);
660 	}
661 #endif
662 	qe_init(qe_base);
663 	qe_reset();
664 #endif
665 }
666