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 }
819