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 <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_FSL_CAAM
31 #include <fsl_sec.h>
32 #endif
33 #ifdef CONFIG_SYS_QE_FMAN_FW_IN_NAND
34 #include <nand.h>
35 #include <errno.h>
36 #endif
37 
38 #include "../../../../drivers/block/fsl_sata.h"
39 #ifdef CONFIG_U_QE
40 #include "../../../../drivers/qe/qe.h"
41 #endif
42 
43 DECLARE_GLOBAL_DATA_PTR;
44 
45 #ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
46 /*
47  * For deriving usb clock from 100MHz sysclk, reference divisor is set
48  * to a value of 5, which gives an intermediate value 20(100/5). The
49  * multiplication factor integer is set to 24, which when multiplied to
50  * above intermediate value provides clock for usb ip.
51  */
52 void usb_single_source_clk_configure(struct ccsr_usb_phy *usb_phy)
53 {
54 	sys_info_t sysinfo;
55 
56 	get_sys_info(&sysinfo);
57 	if (sysinfo.diff_sysclk == 1) {
58 		clrbits_be32(&usb_phy->pllprg[1],
59 			     CONFIG_SYS_FSL_USB_PLLPRG2_MFI);
60 		setbits_be32(&usb_phy->pllprg[1],
61 			     CONFIG_SYS_FSL_USB_PLLPRG2_REF_DIV_INTERNAL_CLK |
62 			     CONFIG_SYS_FSL_USB_PLLPRG2_MFI_INTERNAL_CLK |
63 			     CONFIG_SYS_FSL_USB_INTERNAL_SOC_CLK_EN);
64 		}
65 }
66 #endif
67 
68 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
69 void fsl_erratum_a006261_workaround(struct ccsr_usb_phy __iomem *usb_phy)
70 {
71 #ifdef CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE
72 	u32 xcvrprg = in_be32(&usb_phy->port1.xcvrprg);
73 
74 	/* Increase Disconnect Threshold by 50mV */
75 	xcvrprg &= ~CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_MASK |
76 						INC_DCNT_THRESHOLD_50MV;
77 	/* Enable programming of USB High speed Disconnect threshold */
78 	xcvrprg |= CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_EN;
79 	out_be32(&usb_phy->port1.xcvrprg, xcvrprg);
80 
81 	xcvrprg = in_be32(&usb_phy->port2.xcvrprg);
82 	/* Increase Disconnect Threshold by 50mV */
83 	xcvrprg &= ~CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_MASK |
84 						INC_DCNT_THRESHOLD_50MV;
85 	/* Enable programming of USB High speed Disconnect threshold */
86 	xcvrprg |= CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_EN;
87 	out_be32(&usb_phy->port2.xcvrprg, xcvrprg);
88 #else
89 
90 	u32 temp = 0;
91 	u32 status = in_be32(&usb_phy->status1);
92 
93 	u32 squelch_prog_rd_0_2 =
94 		(status >> CONFIG_SYS_FSL_USB_SQUELCH_PROG_RD_0)
95 			& CONFIG_SYS_FSL_USB_SQUELCH_PROG_MASK;
96 
97 	u32 squelch_prog_rd_3_5 =
98 		(status >> CONFIG_SYS_FSL_USB_SQUELCH_PROG_RD_3)
99 			& CONFIG_SYS_FSL_USB_SQUELCH_PROG_MASK;
100 
101 	setbits_be32(&usb_phy->config1,
102 		     CONFIG_SYS_FSL_USB_HS_DISCNCT_INC);
103 	setbits_be32(&usb_phy->config2,
104 		     CONFIG_SYS_FSL_USB_RX_AUTO_CAL_RD_WR_SEL);
105 
106 	temp = squelch_prog_rd_0_2 << CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_0;
107 	out_be32(&usb_phy->config2, in_be32(&usb_phy->config2) | temp);
108 
109 	temp = squelch_prog_rd_3_5 << CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_3;
110 	out_be32(&usb_phy->config2, in_be32(&usb_phy->config2) | temp);
111 #endif
112 }
113 #endif
114 
115 
116 #if defined(CONFIG_QE) && !defined(CONFIG_U_QE)
117 extern qe_iop_conf_t qe_iop_conf_tab[];
118 extern void qe_config_iopin(u8 port, u8 pin, int dir,
119 				int open_drain, int assign);
120 extern void qe_init(uint qe_base);
121 extern void qe_reset(void);
122 
123 static void config_qe_ioports(void)
124 {
125 	u8      port, pin;
126 	int     dir, open_drain, assign;
127 	int     i;
128 
129 	for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) {
130 		port		= qe_iop_conf_tab[i].port;
131 		pin		= qe_iop_conf_tab[i].pin;
132 		dir		= qe_iop_conf_tab[i].dir;
133 		open_drain	= qe_iop_conf_tab[i].open_drain;
134 		assign		= qe_iop_conf_tab[i].assign;
135 		qe_config_iopin(port, pin, dir, open_drain, assign);
136 	}
137 }
138 #endif
139 
140 #ifdef CONFIG_CPM2
141 void config_8560_ioports (volatile ccsr_cpm_t * cpm)
142 {
143 	int portnum;
144 
145 	for (portnum = 0; portnum < 4; portnum++) {
146 		uint pmsk = 0,
147 		     ppar = 0,
148 		     psor = 0,
149 		     pdir = 0,
150 		     podr = 0,
151 		     pdat = 0;
152 		iop_conf_t *iopc = (iop_conf_t *) & iop_conf_tab[portnum][0];
153 		iop_conf_t *eiopc = iopc + 32;
154 		uint msk = 1;
155 
156 		/*
157 		 * NOTE:
158 		 * index 0 refers to pin 31,
159 		 * index 31 refers to pin 0
160 		 */
161 		while (iopc < eiopc) {
162 			if (iopc->conf) {
163 				pmsk |= msk;
164 				if (iopc->ppar)
165 					ppar |= msk;
166 				if (iopc->psor)
167 					psor |= msk;
168 				if (iopc->pdir)
169 					pdir |= msk;
170 				if (iopc->podr)
171 					podr |= msk;
172 				if (iopc->pdat)
173 					pdat |= msk;
174 			}
175 
176 			msk <<= 1;
177 			iopc++;
178 		}
179 
180 		if (pmsk != 0) {
181 			volatile ioport_t *iop = ioport_addr (cpm, portnum);
182 			uint tpmsk = ~pmsk;
183 
184 			/*
185 			 * the (somewhat confused) paragraph at the
186 			 * bottom of page 35-5 warns that there might
187 			 * be "unknown behaviour" when programming
188 			 * PSORx and PDIRx, if PPARx = 1, so I
189 			 * decided this meant I had to disable the
190 			 * dedicated function first, and enable it
191 			 * last.
192 			 */
193 			iop->ppar &= tpmsk;
194 			iop->psor = (iop->psor & tpmsk) | psor;
195 			iop->podr = (iop->podr & tpmsk) | podr;
196 			iop->pdat = (iop->pdat & tpmsk) | pdat;
197 			iop->pdir = (iop->pdir & tpmsk) | pdir;
198 			iop->ppar |= ppar;
199 		}
200 	}
201 }
202 #endif
203 
204 #ifdef CONFIG_SYS_FSL_CPC
205 #if defined(CONFIG_RAMBOOT_PBL) || defined(CONFIG_SYS_CPC_REINIT_F)
206 void disable_cpc_sram(void)
207 {
208 	int i;
209 
210 	cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
211 
212 	for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
213 		if (in_be32(&cpc->cpcsrcr0) & CPC_SRCR0_SRAMEN) {
214 			/* find and disable LAW of SRAM */
215 			struct law_entry law = find_law(CONFIG_SYS_INIT_L3_ADDR);
216 
217 			if (law.index == -1) {
218 				printf("\nFatal error happened\n");
219 				return;
220 			}
221 			disable_law(law.index);
222 
223 			clrbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_CDQ_SPEC_DIS);
224 			out_be32(&cpc->cpccsr0, 0);
225 			out_be32(&cpc->cpcsrcr0, 0);
226 		}
227 	}
228 }
229 #endif
230 
231 #if defined(T1040_TDM_QUIRK_CCSR_BASE)
232 #ifdef CONFIG_POST
233 #error POST memory test cannot be enabled with TDM
234 #endif
235 static void enable_tdm_law(void)
236 {
237 	int ret;
238 	char buffer[HWCONFIG_BUFFER_SIZE] = {0};
239 	int tdm_hwconfig_enabled = 0;
240 
241 	/*
242 	 * Extract hwconfig from environment since environment
243 	 * is not setup properly yet. Search for tdm entry in
244 	 * hwconfig.
245 	 */
246 	ret = getenv_f("hwconfig", buffer, sizeof(buffer));
247 	if (ret > 0) {
248 		tdm_hwconfig_enabled = hwconfig_f("tdm", buffer);
249 		/* If tdm is defined in hwconfig, set law for tdm workaround */
250 		if (tdm_hwconfig_enabled)
251 			set_next_law(T1040_TDM_QUIRK_CCSR_BASE, LAW_SIZE_16M,
252 				     LAW_TRGT_IF_CCSR);
253 	}
254 }
255 #endif
256 
257 void enable_cpc(void)
258 {
259 	int i;
260 	int ret;
261 	u32 size = 0;
262 	u32 cpccfg0;
263 	char buffer[HWCONFIG_BUFFER_SIZE];
264 	char cpc_subarg[16];
265 	bool have_hwconfig = false;
266 	int cpc_args = 0;
267 	cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
268 
269 	/* Extract hwconfig from environment */
270 	ret = getenv_f("hwconfig", buffer, sizeof(buffer));
271 	if (ret > 0) {
272 		/*
273 		 * If "en_cpc" is not defined in hwconfig then by default all
274 		 * cpcs are enable. If this config is defined then individual
275 		 * cpcs which have to be enabled should also be defined.
276 		 * e.g en_cpc:cpc1,cpc2;
277 		 */
278 		if (hwconfig_f("en_cpc", buffer))
279 			have_hwconfig = true;
280 	}
281 
282 	for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
283 		if (have_hwconfig) {
284 			sprintf(cpc_subarg, "cpc%u", i + 1);
285 			cpc_args = hwconfig_sub_f("en_cpc", cpc_subarg, buffer);
286 			if (cpc_args == 0)
287 				continue;
288 		}
289 		cpccfg0 = in_be32(&cpc->cpccfg0);
290 		size += CPC_CFG0_SZ_K(cpccfg0);
291 
292 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002
293 		setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_TAG_ECC_SCRUB_DIS);
294 #endif
295 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A003
296 		setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_DATA_ECC_SCRUB_DIS);
297 #endif
298 #ifdef CONFIG_SYS_FSL_ERRATUM_A006593
299 		setbits_be32(&cpc->cpchdbcr0, 1 << (31 - 21));
300 #endif
301 #ifdef CONFIG_SYS_FSL_ERRATUM_A006379
302 		if (has_erratum_a006379()) {
303 			setbits_be32(&cpc->cpchdbcr0,
304 				     CPC_HDBCR0_SPLRU_LEVEL_EN);
305 		}
306 #endif
307 
308 		out_be32(&cpc->cpccsr0, CPC_CSR0_CE | CPC_CSR0_PE);
309 		/* Read back to sync write */
310 		in_be32(&cpc->cpccsr0);
311 
312 	}
313 
314 	puts("Corenet Platform Cache: ");
315 	print_size(size * 1024, " enabled\n");
316 }
317 
318 static void invalidate_cpc(void)
319 {
320 	int i;
321 	cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
322 
323 	for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
324 		/* skip CPC when it used as all SRAM */
325 		if (in_be32(&cpc->cpcsrcr0) & CPC_SRCR0_SRAMEN)
326 			continue;
327 		/* Flash invalidate the CPC and clear all the locks */
328 		out_be32(&cpc->cpccsr0, CPC_CSR0_FI | CPC_CSR0_LFC);
329 		while (in_be32(&cpc->cpccsr0) & (CPC_CSR0_FI | CPC_CSR0_LFC))
330 			;
331 	}
332 }
333 #else
334 #define enable_cpc()
335 #define invalidate_cpc()
336 #define disable_cpc_sram()
337 #endif /* CONFIG_SYS_FSL_CPC */
338 
339 /*
340  * Breathe some life into the CPU...
341  *
342  * Set up the memory map
343  * initialize a bunch of registers
344  */
345 
346 #ifdef CONFIG_FSL_CORENET
347 static void corenet_tb_init(void)
348 {
349 	volatile ccsr_rcpm_t *rcpm =
350 		(void *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR);
351 	volatile ccsr_pic_t *pic =
352 		(void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR);
353 	u32 whoami = in_be32(&pic->whoami);
354 
355 	/* Enable the timebase register for this core */
356 	out_be32(&rcpm->ctbenrl, (1 << whoami));
357 }
358 #endif
359 
360 #ifdef CONFIG_SYS_FSL_ERRATUM_A007212
361 void fsl_erratum_a007212_workaround(void)
362 {
363 	ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
364 	u32 ddr_pll_ratio;
365 	u32 __iomem *plldgdcr1 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c20);
366 	u32 __iomem *plldadcr1 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c28);
367 	u32 __iomem *dpdovrcr4 = (void *)(CONFIG_SYS_DCSRBAR + 0x21e80);
368 #if (CONFIG_NUM_DDR_CONTROLLERS >= 2)
369 	u32 __iomem *plldgdcr2 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c40);
370 	u32 __iomem *plldadcr2 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c48);
371 #if (CONFIG_NUM_DDR_CONTROLLERS >= 3)
372 	u32 __iomem *plldgdcr3 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c60);
373 	u32 __iomem *plldadcr3 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c68);
374 #endif
375 #endif
376 	/*
377 	 * Even this workaround applies to selected version of SoCs, it is
378 	 * safe to apply to all versions, with the limitation of odd ratios.
379 	 * If RCW has disabled DDR PLL, we have to apply this workaround,
380 	 * otherwise DDR will not work.
381 	 */
382 	ddr_pll_ratio = (in_be32(&gur->rcwsr[0]) >>
383 		FSL_CORENET_RCWSR0_MEM_PLL_RAT_SHIFT) &
384 		FSL_CORENET_RCWSR0_MEM_PLL_RAT_MASK;
385 	/* check if RCW sets ratio to 0, required by this workaround */
386 	if (ddr_pll_ratio != 0)
387 		return;
388 	ddr_pll_ratio = (in_be32(&gur->rcwsr[0]) >>
389 		FSL_CORENET_RCWSR0_MEM_PLL_RAT_RESV_SHIFT) &
390 		FSL_CORENET_RCWSR0_MEM_PLL_RAT_MASK;
391 	/* check if reserved bits have the desired ratio */
392 	if (ddr_pll_ratio == 0) {
393 		printf("Error: Unknown DDR PLL ratio!\n");
394 		return;
395 	}
396 	ddr_pll_ratio >>= 1;
397 
398 	setbits_be32(plldadcr1, 0x02000001);
399 #if (CONFIG_NUM_DDR_CONTROLLERS >= 2)
400 	setbits_be32(plldadcr2, 0x02000001);
401 #if (CONFIG_NUM_DDR_CONTROLLERS >= 3)
402 	setbits_be32(plldadcr3, 0x02000001);
403 #endif
404 #endif
405 	setbits_be32(dpdovrcr4, 0xe0000000);
406 	out_be32(plldgdcr1, 0x08000001 | (ddr_pll_ratio << 1));
407 #if (CONFIG_NUM_DDR_CONTROLLERS >= 2)
408 	out_be32(plldgdcr2, 0x08000001 | (ddr_pll_ratio << 1));
409 #if (CONFIG_NUM_DDR_CONTROLLERS >= 3)
410 	out_be32(plldgdcr3, 0x08000001 | (ddr_pll_ratio << 1));
411 #endif
412 #endif
413 	udelay(100);
414 	clrbits_be32(plldadcr1, 0x02000001);
415 #if (CONFIG_NUM_DDR_CONTROLLERS >= 2)
416 	clrbits_be32(plldadcr2, 0x02000001);
417 #if (CONFIG_NUM_DDR_CONTROLLERS >= 3)
418 	clrbits_be32(plldadcr3, 0x02000001);
419 #endif
420 #endif
421 	clrbits_be32(dpdovrcr4, 0xe0000000);
422 }
423 #endif
424 
425 ulong cpu_init_f(void)
426 {
427 	extern void m8560_cpm_reset (void);
428 #if defined(CONFIG_SYS_DCSRBAR_PHYS) || \
429 	(defined(CONFIG_SECURE_BOOT) && defined(CONFIG_FSL_CORENET))
430 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
431 #endif
432 #if defined(CONFIG_SECURE_BOOT)
433 	struct law_entry law;
434 #endif
435 #ifdef CONFIG_MPC8548
436 	ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
437 	uint svr = get_svr();
438 
439 	/*
440 	 * CPU2 errata workaround: A core hang possible while executing
441 	 * a msync instruction and a snoopable transaction from an I/O
442 	 * master tagged to make quick forward progress is present.
443 	 * Fixed in silicon rev 2.1.
444 	 */
445 	if ((SVR_MAJ(svr) == 1) || ((SVR_MAJ(svr) == 2 && SVR_MIN(svr) == 0x0)))
446 		out_be32(&ecm->eebpcr, in_be32(&ecm->eebpcr) | (1 << 16));
447 #endif
448 
449 	disable_tlb(14);
450 	disable_tlb(15);
451 
452 #if defined(CONFIG_SECURE_BOOT)
453 	/* Disable the LAW created for NOR flash by the PBI commands */
454 	law = find_law(CONFIG_SYS_PBI_FLASH_BASE);
455 	if (law.index != -1)
456 		disable_law(law.index);
457 
458 #if defined(CONFIG_SYS_CPC_REINIT_F)
459 	disable_cpc_sram();
460 #endif
461 
462 #if defined(CONFIG_FSL_CORENET)
463 	/* Put PAMU in bypass mode */
464 	out_be32(&gur->pamubypenr, FSL_CORENET_PAMU_BYPASS);
465 #endif
466 
467 #endif
468 
469 #ifdef CONFIG_CPM2
470 	config_8560_ioports((ccsr_cpm_t *)CONFIG_SYS_MPC85xx_CPM_ADDR);
471 #endif
472 
473        init_early_memctl_regs();
474 
475 #if defined(CONFIG_CPM2)
476 	m8560_cpm_reset();
477 #endif
478 
479 #if defined(CONFIG_QE) && !defined(CONFIG_U_QE)
480 	/* Config QE ioports */
481 	config_qe_ioports();
482 #endif
483 
484 #if defined(CONFIG_FSL_DMA)
485 	dma_init();
486 #endif
487 #ifdef CONFIG_FSL_CORENET
488 	corenet_tb_init();
489 #endif
490 	init_used_tlb_cams();
491 
492 	/* Invalidate the CPC before DDR gets enabled */
493 	invalidate_cpc();
494 
495  #ifdef CONFIG_SYS_DCSRBAR_PHYS
496 	/* set DCSRCR so that DCSR space is 1G */
497 	setbits_be32(&gur->dcsrcr, FSL_CORENET_DCSR_SZ_1G);
498 	in_be32(&gur->dcsrcr);
499 #endif
500 
501 #ifdef CONFIG_SYS_FSL_ERRATUM_A007212
502 	fsl_erratum_a007212_workaround();
503 #endif
504 
505 	return 0;
506 }
507 
508 /* Implement a dummy function for those platforms w/o SERDES */
509 static void __fsl_serdes__init(void)
510 {
511 	return ;
512 }
513 __attribute__((weak, alias("__fsl_serdes__init"))) void fsl_serdes_init(void);
514 
515 #if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
516 int enable_cluster_l2(void)
517 {
518 	int i = 0;
519 	u32 cluster, svr = get_svr();
520 	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
521 	struct ccsr_cluster_l2 __iomem *l2cache;
522 
523 	/* only the L2 of first cluster should be enabled as expected on T4080,
524 	 * but there is no EOC in the first cluster as HW sake, so return here
525 	 * to skip enabling L2 cache of the 2nd cluster.
526 	 */
527 	if (SVR_SOC_VER(svr) == SVR_T4080)
528 		return 0;
529 
530 	cluster = in_be32(&gur->tp_cluster[i].lower);
531 	if (cluster & TP_CLUSTER_EOC)
532 		return 0;
533 
534 	/* The first cache has already been set up, so skip it */
535 	i++;
536 
537 	/* Look through the remaining clusters, and set up their caches */
538 	do {
539 		int j, cluster_valid = 0;
540 
541 		l2cache = (void __iomem *)(CONFIG_SYS_FSL_CLUSTER_1_L2 + i * 0x40000);
542 
543 		cluster = in_be32(&gur->tp_cluster[i].lower);
544 
545 		/* check that at least one core/accel is enabled in cluster */
546 		for (j = 0; j < 4; j++) {
547 			u32 idx = (cluster >> (j*8)) & TP_CLUSTER_INIT_MASK;
548 			u32 type = in_be32(&gur->tp_ityp[idx]);
549 
550 			if ((type & TP_ITYP_AV) &&
551 			    TP_ITYP_TYPE(type) == TP_ITYP_TYPE_PPC)
552 				cluster_valid = 1;
553 		}
554 
555 		if (cluster_valid) {
556 			/* set stash ID to (cluster) * 2 + 32 + 1 */
557 			clrsetbits_be32(&l2cache->l2csr1, 0xff, 32 + i * 2 + 1);
558 
559 			printf("enable l2 for cluster %d %p\n", i, l2cache);
560 
561 			out_be32(&l2cache->l2csr0, L2CSR0_L2FI|L2CSR0_L2LFC);
562 			while ((in_be32(&l2cache->l2csr0)
563 				& (L2CSR0_L2FI|L2CSR0_L2LFC)) != 0)
564 					;
565 			out_be32(&l2cache->l2csr0, L2CSR0_L2E|L2CSR0_L2PE|L2CSR0_L2REP_MODE);
566 		}
567 		i++;
568 	} while (!(cluster & TP_CLUSTER_EOC));
569 
570 	return 0;
571 }
572 #endif
573 
574 /*
575  * Initialize L2 as cache.
576  */
577 int l2cache_init(void)
578 {
579 	__maybe_unused u32 svr = get_svr();
580 #ifdef CONFIG_L2_CACHE
581 	ccsr_l2cache_t *l2cache = (void __iomem *)CONFIG_SYS_MPC85xx_L2_ADDR;
582 #elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
583 	struct ccsr_cluster_l2 * l2cache = (void __iomem *)CONFIG_SYS_FSL_CLUSTER_1_L2;
584 #endif
585 
586 	puts ("L2:    ");
587 
588 #if defined(CONFIG_L2_CACHE)
589 	volatile uint cache_ctl;
590 	uint ver;
591 	u32 l2siz_field;
592 
593 	ver = SVR_SOC_VER(svr);
594 
595 	asm("msync;isync");
596 	cache_ctl = l2cache->l2ctl;
597 
598 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
599 	if (cache_ctl & MPC85xx_L2CTL_L2E) {
600 		/* Clear L2 SRAM memory-mapped base address */
601 		out_be32(&l2cache->l2srbar0, 0x0);
602 		out_be32(&l2cache->l2srbar1, 0x0);
603 
604 		/* set MBECCDIS=0, SBECCDIS=0 */
605 		clrbits_be32(&l2cache->l2errdis,
606 				(MPC85xx_L2ERRDIS_MBECC |
607 				 MPC85xx_L2ERRDIS_SBECC));
608 
609 		/* set L2E=0, L2SRAM=0 */
610 		clrbits_be32(&l2cache->l2ctl,
611 				(MPC85xx_L2CTL_L2E |
612 				 MPC85xx_L2CTL_L2SRAM_ENTIRE));
613 	}
614 #endif
615 
616 	l2siz_field = (cache_ctl >> 28) & 0x3;
617 
618 	switch (l2siz_field) {
619 	case 0x0:
620 		printf(" unknown size (0x%08x)\n", cache_ctl);
621 		return -1;
622 		break;
623 	case 0x1:
624 		if (ver == SVR_8540 || ver == SVR_8560   ||
625 		    ver == SVR_8541 || ver == SVR_8555) {
626 			puts("128 KiB ");
627 			/* set L2E=1, L2I=1, & L2BLKSZ=1 (128 KiBibyte) */
628 			cache_ctl = 0xc4000000;
629 		} else {
630 			puts("256 KiB ");
631 			cache_ctl = 0xc0000000; /* set L2E=1, L2I=1, & L2SRAM=0 */
632 		}
633 		break;
634 	case 0x2:
635 		if (ver == SVR_8540 || ver == SVR_8560   ||
636 		    ver == SVR_8541 || ver == SVR_8555) {
637 			puts("256 KiB ");
638 			/* set L2E=1, L2I=1, & L2BLKSZ=2 (256 KiBibyte) */
639 			cache_ctl = 0xc8000000;
640 		} else {
641 			puts("512 KiB ");
642 			/* set L2E=1, L2I=1, & L2SRAM=0 */
643 			cache_ctl = 0xc0000000;
644 		}
645 		break;
646 	case 0x3:
647 		puts("1024 KiB ");
648 		/* set L2E=1, L2I=1, & L2SRAM=0 */
649 		cache_ctl = 0xc0000000;
650 		break;
651 	}
652 
653 	if (l2cache->l2ctl & MPC85xx_L2CTL_L2E) {
654 		puts("already enabled");
655 #if defined(CONFIG_SYS_INIT_L2_ADDR) && defined(CONFIG_SYS_FLASH_BASE)
656 		u32 l2srbar = l2cache->l2srbar0;
657 		if (l2cache->l2ctl & MPC85xx_L2CTL_L2SRAM_ENTIRE
658 				&& l2srbar >= CONFIG_SYS_FLASH_BASE) {
659 			l2srbar = CONFIG_SYS_INIT_L2_ADDR;
660 			l2cache->l2srbar0 = l2srbar;
661 			printf(", moving to 0x%08x", CONFIG_SYS_INIT_L2_ADDR);
662 		}
663 #endif /* CONFIG_SYS_INIT_L2_ADDR */
664 		puts("\n");
665 	} else {
666 		asm("msync;isync");
667 		l2cache->l2ctl = cache_ctl; /* invalidate & enable */
668 		asm("msync;isync");
669 		puts("enabled\n");
670 	}
671 #elif defined(CONFIG_BACKSIDE_L2_CACHE)
672 	if (SVR_SOC_VER(svr) == SVR_P2040) {
673 		puts("N/A\n");
674 		goto skip_l2;
675 	}
676 
677 	u32 l2cfg0 = mfspr(SPRN_L2CFG0);
678 
679 	/* invalidate the L2 cache */
680 	mtspr(SPRN_L2CSR0, (L2CSR0_L2FI|L2CSR0_L2LFC));
681 	while (mfspr(SPRN_L2CSR0) & (L2CSR0_L2FI|L2CSR0_L2LFC))
682 		;
683 
684 #ifdef CONFIG_SYS_CACHE_STASHING
685 	/* set stash id to (coreID) * 2 + 32 + L2 (1) */
686 	mtspr(SPRN_L2CSR1, (32 + 1));
687 #endif
688 
689 	/* enable the cache */
690 	mtspr(SPRN_L2CSR0, CONFIG_SYS_INIT_L2CSR0);
691 
692 	if (CONFIG_SYS_INIT_L2CSR0 & L2CSR0_L2E) {
693 		while (!(mfspr(SPRN_L2CSR0) & L2CSR0_L2E))
694 			;
695 		print_size((l2cfg0 & 0x3fff) * 64 * 1024, " enabled\n");
696 	}
697 
698 skip_l2:
699 #elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
700 	if (l2cache->l2csr0 & L2CSR0_L2E)
701 		print_size((l2cache->l2cfg0 & 0x3fff) * 64 * 1024,
702 			   " enabled\n");
703 
704 	enable_cluster_l2();
705 #else
706 	puts("disabled\n");
707 #endif
708 
709 	return 0;
710 }
711 
712 /*
713  *
714  * The newer 8548, etc, parts have twice as much cache, but
715  * use the same bit-encoding as the older 8555, etc, parts.
716  *
717  */
718 int cpu_init_r(void)
719 {
720 	__maybe_unused u32 svr = get_svr();
721 #ifdef CONFIG_SYS_LBC_LCRR
722 	fsl_lbc_t *lbc = (void __iomem *)LBC_BASE_ADDR;
723 #endif
724 #if defined(CONFIG_PPC_SPINTABLE_COMPATIBLE) && defined(CONFIG_MP)
725 	extern int spin_table_compat;
726 	const char *spin;
727 #endif
728 #ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571
729 	ccsr_sec_t __iomem *sec = (void *)CONFIG_SYS_FSL_SEC_ADDR;
730 #endif
731 #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) || \
732 	defined(CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011)
733 	/*
734 	 * CPU22 and NMG_CPU_A011 share the same workaround.
735 	 * CPU22 applies to P4080 rev 1.0, 2.0, fixed in 3.0
736 	 * NMG_CPU_A011 applies to P4080 rev 1.0, 2.0, fixed in 3.0
737 	 * also applies to P3041 rev 1.0, 1.1, P2041 rev 1.0, 1.1, both
738 	 * fixed in 2.0. NMG_CPU_A011 is activated by default and can
739 	 * be disabled by hwconfig with syntax:
740 	 *
741 	 * fsl_cpu_a011:disable
742 	 */
743 	extern int enable_cpu_a011_workaround;
744 #ifdef CONFIG_SYS_P4080_ERRATUM_CPU22
745 	enable_cpu_a011_workaround = (SVR_MAJ(svr) < 3);
746 #else
747 	char buffer[HWCONFIG_BUFFER_SIZE];
748 	char *buf = NULL;
749 	int n, res;
750 
751 	n = getenv_f("hwconfig", buffer, sizeof(buffer));
752 	if (n > 0)
753 		buf = buffer;
754 
755 	res = hwconfig_arg_cmp_f("fsl_cpu_a011", "disable", buf);
756 	if (res > 0) {
757 		enable_cpu_a011_workaround = 0;
758 	} else {
759 		if (n >= HWCONFIG_BUFFER_SIZE) {
760 			printf("fsl_cpu_a011 was not found. hwconfig variable "
761 				"may be too long\n");
762 		}
763 		enable_cpu_a011_workaround =
764 			(SVR_SOC_VER(svr) == SVR_P4080 && SVR_MAJ(svr) < 3) ||
765 			(SVR_SOC_VER(svr) != SVR_P4080 && SVR_MAJ(svr) < 2);
766 	}
767 #endif
768 	if (enable_cpu_a011_workaround) {
769 		flush_dcache();
770 		mtspr(L1CSR2, (mfspr(L1CSR2) | L1CSR2_DCWS));
771 		sync();
772 	}
773 #endif
774 #ifdef CONFIG_SYS_FSL_ERRATUM_A005812
775 	/*
776 	 * A-005812 workaround sets bit 32 of SPR 976 for SoCs running
777 	 * in write shadow mode. Checking DCWS before setting SPR 976.
778 	 */
779 	if (mfspr(L1CSR2) & L1CSR2_DCWS)
780 		mtspr(SPRN_HDBCR0, (mfspr(SPRN_HDBCR0) | 0x80000000));
781 #endif
782 
783 #if defined(CONFIG_PPC_SPINTABLE_COMPATIBLE) && defined(CONFIG_MP)
784 	spin = getenv("spin_table_compat");
785 	if (spin && (*spin == 'n'))
786 		spin_table_compat = 0;
787 	else
788 		spin_table_compat = 1;
789 #endif
790 
791 	l2cache_init();
792 #if defined(CONFIG_RAMBOOT_PBL)
793 	disable_cpc_sram();
794 #endif
795 	enable_cpc();
796 #if defined(T1040_TDM_QUIRK_CCSR_BASE)
797 	enable_tdm_law();
798 #endif
799 
800 #ifndef CONFIG_SYS_FSL_NO_SERDES
801 	/* needs to be in ram since code uses global static vars */
802 	fsl_serdes_init();
803 #endif
804 
805 #ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571
806 #define MCFGR_AXIPIPE 0x000000f0
807 	if (IS_SVR_REV(svr, 1, 0))
808 		sec_clrbits32(&sec->mcfgr, MCFGR_AXIPIPE);
809 #endif
810 
811 #ifdef CONFIG_SYS_FSL_ERRATUM_A005871
812 	if (IS_SVR_REV(svr, 1, 0)) {
813 		int i;
814 		__be32 *p = (void __iomem *)CONFIG_SYS_DCSRBAR + 0xb004c;
815 
816 		for (i = 0; i < 12; i++) {
817 			p += i + (i > 5 ? 11 : 0);
818 			out_be32(p, 0x2);
819 		}
820 		p = (void __iomem *)CONFIG_SYS_DCSRBAR + 0xb0108;
821 		out_be32(p, 0x34);
822 	}
823 #endif
824 
825 #ifdef CONFIG_SYS_SRIO
826 	srio_init();
827 #ifdef CONFIG_SRIO_PCIE_BOOT_MASTER
828 	char *s = getenv("bootmaster");
829 	if (s) {
830 		if (!strcmp(s, "SRIO1")) {
831 			srio_boot_master(1);
832 			srio_boot_master_release_slave(1);
833 		}
834 		if (!strcmp(s, "SRIO2")) {
835 			srio_boot_master(2);
836 			srio_boot_master_release_slave(2);
837 		}
838 	}
839 #endif
840 #endif
841 
842 #if defined(CONFIG_MP)
843 	setup_mp();
844 #endif
845 
846 #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC13
847 	{
848 		if (SVR_MAJ(svr) < 3) {
849 			void *p;
850 			p = (void *)CONFIG_SYS_DCSRBAR + 0x20520;
851 			setbits_be32(p, 1 << (31 - 14));
852 		}
853 	}
854 #endif
855 
856 #ifdef CONFIG_SYS_LBC_LCRR
857 	/*
858 	 * Modify the CLKDIV field of LCRR register to improve the writing
859 	 * speed for NOR flash.
860 	 */
861 	clrsetbits_be32(&lbc->lcrr, LCRR_CLKDIV, CONFIG_SYS_LBC_LCRR);
862 	__raw_readl(&lbc->lcrr);
863 	isync();
864 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_LBC103
865 	udelay(100);
866 #endif
867 #endif
868 
869 #ifdef CONFIG_SYS_FSL_USB1_PHY_ENABLE
870 	{
871 		struct ccsr_usb_phy __iomem *usb_phy1 =
872 			(void *)CONFIG_SYS_MPC85xx_USB1_PHY_ADDR;
873 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
874 		if (has_erratum_a006261())
875 			fsl_erratum_a006261_workaround(usb_phy1);
876 #endif
877 		out_be32(&usb_phy1->usb_enable_override,
878 				CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE);
879 	}
880 #endif
881 #ifdef CONFIG_SYS_FSL_USB2_PHY_ENABLE
882 	{
883 		struct ccsr_usb_phy __iomem *usb_phy2 =
884 			(void *)CONFIG_SYS_MPC85xx_USB2_PHY_ADDR;
885 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
886 		if (has_erratum_a006261())
887 			fsl_erratum_a006261_workaround(usb_phy2);
888 #endif
889 		out_be32(&usb_phy2->usb_enable_override,
890 				CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE);
891 	}
892 #endif
893 
894 #ifdef CONFIG_SYS_FSL_ERRATUM_USB14
895 	/* On P204x/P304x/P50x0 Rev1.0, USB transmit will result internal
896 	 * multi-bit ECC errors which has impact on performance, so software
897 	 * should disable all ECC reporting from USB1 and USB2.
898 	 */
899 	if (IS_SVR_REV(get_svr(), 1, 0)) {
900 		struct dcsr_dcfg_regs *dcfg = (struct dcsr_dcfg_regs *)
901 			(CONFIG_SYS_DCSRBAR + CONFIG_SYS_DCSR_DCFG_OFFSET);
902 		setbits_be32(&dcfg->ecccr1,
903 				(DCSR_DCFG_ECC_DISABLE_USB1 |
904 				 DCSR_DCFG_ECC_DISABLE_USB2));
905 	}
906 #endif
907 
908 #if defined(CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE)
909 		struct ccsr_usb_phy __iomem *usb_phy =
910 			(void *)CONFIG_SYS_MPC85xx_USB1_PHY_ADDR;
911 		setbits_be32(&usb_phy->pllprg[1],
912 			     CONFIG_SYS_FSL_USB_PLLPRG2_PHY2_CLK_EN |
913 			     CONFIG_SYS_FSL_USB_PLLPRG2_PHY1_CLK_EN |
914 			     CONFIG_SYS_FSL_USB_PLLPRG2_MFI |
915 			     CONFIG_SYS_FSL_USB_PLLPRG2_PLL_EN);
916 #ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
917 		usb_single_source_clk_configure(usb_phy);
918 #endif
919 		setbits_be32(&usb_phy->port1.ctrl,
920 			     CONFIG_SYS_FSL_USB_CTRL_PHY_EN);
921 		setbits_be32(&usb_phy->port1.drvvbuscfg,
922 			     CONFIG_SYS_FSL_USB_DRVVBUS_CR_EN);
923 		setbits_be32(&usb_phy->port1.pwrfltcfg,
924 			     CONFIG_SYS_FSL_USB_PWRFLT_CR_EN);
925 		setbits_be32(&usb_phy->port2.ctrl,
926 			     CONFIG_SYS_FSL_USB_CTRL_PHY_EN);
927 		setbits_be32(&usb_phy->port2.drvvbuscfg,
928 			     CONFIG_SYS_FSL_USB_DRVVBUS_CR_EN);
929 		setbits_be32(&usb_phy->port2.pwrfltcfg,
930 			     CONFIG_SYS_FSL_USB_PWRFLT_CR_EN);
931 
932 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
933 		if (has_erratum_a006261())
934 			fsl_erratum_a006261_workaround(usb_phy);
935 #endif
936 
937 #endif /* CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE */
938 
939 #ifdef CONFIG_FMAN_ENET
940 	fman_enet_init();
941 #endif
942 
943 #ifdef CONFIG_FSL_CAAM
944 	sec_init();
945 #endif
946 
947 #if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_FSL_SATA_ERRATUM_A001)
948 	/*
949 	 * For P1022/1013 Rev1.0 silicon, after power on SATA host
950 	 * controller is configured in legacy mode instead of the
951 	 * expected enterprise mode. Software needs to clear bit[28]
952 	 * of HControl register to change to enterprise mode from
953 	 * legacy mode.  We assume that the controller is offline.
954 	 */
955 	if (IS_SVR_REV(svr, 1, 0) &&
956 	    ((SVR_SOC_VER(svr) == SVR_P1022) ||
957 	     (SVR_SOC_VER(svr) == SVR_P1013))) {
958 		fsl_sata_reg_t *reg;
959 
960 		/* first SATA controller */
961 		reg = (void *)CONFIG_SYS_MPC85xx_SATA1_ADDR;
962 		clrbits_le32(&reg->hcontrol, HCONTROL_ENTERPRISE_EN);
963 
964 		/* second SATA controller */
965 		reg = (void *)CONFIG_SYS_MPC85xx_SATA2_ADDR;
966 		clrbits_le32(&reg->hcontrol, HCONTROL_ENTERPRISE_EN);
967 	}
968 #endif
969 
970 	init_used_tlb_cams();
971 
972 	return 0;
973 }
974 
975 void arch_preboot_os(void)
976 {
977 	u32 msr;
978 
979 	/*
980 	 * We are changing interrupt offsets and are about to boot the OS so
981 	 * we need to make sure we disable all async interrupts. EE is already
982 	 * disabled by the time we get called.
983 	 */
984 	msr = mfmsr();
985 	msr &= ~(MSR_ME|MSR_CE);
986 	mtmsr(msr);
987 }
988 
989 #if defined(CONFIG_CMD_SATA) && defined(CONFIG_FSL_SATA)
990 int sata_initialize(void)
991 {
992 	if (is_serdes_configured(SATA1) || is_serdes_configured(SATA2))
993 		return __sata_initialize();
994 
995 	return 1;
996 }
997 #endif
998 
999 void cpu_secondary_init_r(void)
1000 {
1001 #ifdef CONFIG_U_QE
1002 	uint qe_base = CONFIG_SYS_IMMR + 0x00140000; /* QE immr base */
1003 #elif defined CONFIG_QE
1004 	uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */
1005 #endif
1006 
1007 #ifdef CONFIG_QE
1008 	qe_init(qe_base);
1009 	qe_reset();
1010 #endif
1011 }
1012