1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2007-2011 Freescale Semiconductor, Inc.
4  *
5  * (C) Copyright 2003 Motorola Inc.
6  * Modified by Xianghua Xiao, X.Xiao@motorola.com
7  *
8  * (C) Copyright 2000
9  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
10  */
11 
12 #include <common.h>
13 #include <watchdog.h>
14 #include <asm/processor.h>
15 #include <ioports.h>
16 #include <sata.h>
17 #include <fm_eth.h>
18 #include <asm/io.h>
19 #include <asm/cache.h>
20 #include <asm/mmu.h>
21 #include <fsl_errata.h>
22 #include <asm/fsl_law.h>
23 #include <asm/fsl_serdes.h>
24 #include <asm/fsl_srio.h>
25 #ifdef CONFIG_FSL_CORENET
26 #include <asm/fsl_portals.h>
27 #include <asm/fsl_liodn.h>
28 #include <fsl_qbman.h>
29 #endif
30 #include <fsl_usb.h>
31 #include <hwconfig.h>
32 #include <linux/compiler.h>
33 #include "mp.h"
34 #ifdef CONFIG_CHAIN_OF_TRUST
35 #include <fsl_validate.h>
36 #endif
37 #ifdef CONFIG_FSL_CAAM
38 #include <fsl_sec.h>
39 #endif
40 #if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_FSL_CORENET)
41 #include <asm/fsl_pamu.h>
42 #include <fsl_secboot_err.h>
43 #endif
44 #ifdef CONFIG_SYS_QE_FMAN_FW_IN_NAND
45 #include <nand.h>
46 #include <errno.h>
47 #endif
48 #ifndef CONFIG_ARCH_QEMU_E500
49 #include <fsl_ddr.h>
50 #endif
51 #include "../../../../drivers/ata/fsl_sata.h"
52 #ifdef CONFIG_U_QE
53 #include <fsl_qe.h>
54 #endif
55 
56 #ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
57 /*
58  * For deriving usb clock from 100MHz sysclk, reference divisor is set
59  * to a value of 5, which gives an intermediate value 20(100/5). The
60  * multiplication factor integer is set to 24, which when multiplied to
61  * above intermediate value provides clock for usb ip.
62  */
63 void usb_single_source_clk_configure(struct ccsr_usb_phy *usb_phy)
64 {
65 	sys_info_t sysinfo;
66 
67 	get_sys_info(&sysinfo);
68 	if (sysinfo.diff_sysclk == 1) {
69 		clrbits_be32(&usb_phy->pllprg[1],
70 			     CONFIG_SYS_FSL_USB_PLLPRG2_MFI);
71 		setbits_be32(&usb_phy->pllprg[1],
72 			     CONFIG_SYS_FSL_USB_PLLPRG2_REF_DIV_INTERNAL_CLK |
73 			     CONFIG_SYS_FSL_USB_PLLPRG2_MFI_INTERNAL_CLK |
74 			     CONFIG_SYS_FSL_USB_INTERNAL_SOC_CLK_EN);
75 		}
76 }
77 #endif
78 
79 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
80 void fsl_erratum_a006261_workaround(struct ccsr_usb_phy __iomem *usb_phy)
81 {
82 #ifdef CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE
83 	u32 xcvrprg = in_be32(&usb_phy->port1.xcvrprg);
84 
85 	/* Increase Disconnect Threshold by 50mV */
86 	xcvrprg &= ~CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_MASK |
87 						INC_DCNT_THRESHOLD_50MV;
88 	/* Enable programming of USB High speed Disconnect threshold */
89 	xcvrprg |= CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_EN;
90 	out_be32(&usb_phy->port1.xcvrprg, xcvrprg);
91 
92 	xcvrprg = in_be32(&usb_phy->port2.xcvrprg);
93 	/* Increase Disconnect Threshold by 50mV */
94 	xcvrprg &= ~CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_MASK |
95 						INC_DCNT_THRESHOLD_50MV;
96 	/* Enable programming of USB High speed Disconnect threshold */
97 	xcvrprg |= CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_EN;
98 	out_be32(&usb_phy->port2.xcvrprg, xcvrprg);
99 #else
100 
101 	u32 temp = 0;
102 	u32 status = in_be32(&usb_phy->status1);
103 
104 	u32 squelch_prog_rd_0_2 =
105 		(status >> CONFIG_SYS_FSL_USB_SQUELCH_PROG_RD_0)
106 			& CONFIG_SYS_FSL_USB_SQUELCH_PROG_MASK;
107 
108 	u32 squelch_prog_rd_3_5 =
109 		(status >> CONFIG_SYS_FSL_USB_SQUELCH_PROG_RD_3)
110 			& CONFIG_SYS_FSL_USB_SQUELCH_PROG_MASK;
111 
112 	setbits_be32(&usb_phy->config1,
113 		     CONFIG_SYS_FSL_USB_HS_DISCNCT_INC);
114 	setbits_be32(&usb_phy->config2,
115 		     CONFIG_SYS_FSL_USB_RX_AUTO_CAL_RD_WR_SEL);
116 
117 	temp = squelch_prog_rd_0_2 << CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_3;
118 	out_be32(&usb_phy->config2, in_be32(&usb_phy->config2) | temp);
119 
120 	temp = squelch_prog_rd_3_5 << CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_0;
121 	out_be32(&usb_phy->config2, in_be32(&usb_phy->config2) | temp);
122 #endif
123 }
124 #endif
125 
126 
127 #if defined(CONFIG_QE) && !defined(CONFIG_U_QE)
128 extern qe_iop_conf_t qe_iop_conf_tab[];
129 extern void qe_config_iopin(u8 port, u8 pin, int dir,
130 				int open_drain, int assign);
131 extern void qe_init(uint qe_base);
132 extern void qe_reset(void);
133 
134 static void config_qe_ioports(void)
135 {
136 	u8      port, pin;
137 	int     dir, open_drain, assign;
138 	int     i;
139 
140 	for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) {
141 		port		= qe_iop_conf_tab[i].port;
142 		pin		= qe_iop_conf_tab[i].pin;
143 		dir		= qe_iop_conf_tab[i].dir;
144 		open_drain	= qe_iop_conf_tab[i].open_drain;
145 		assign		= qe_iop_conf_tab[i].assign;
146 		qe_config_iopin(port, pin, dir, open_drain, assign);
147 	}
148 }
149 #endif
150 
151 #ifdef CONFIG_CPM2
152 void config_8560_ioports (volatile ccsr_cpm_t * cpm)
153 {
154 	int portnum;
155 
156 	for (portnum = 0; portnum < 4; portnum++) {
157 		uint pmsk = 0,
158 		     ppar = 0,
159 		     psor = 0,
160 		     pdir = 0,
161 		     podr = 0,
162 		     pdat = 0;
163 		iop_conf_t *iopc = (iop_conf_t *) & iop_conf_tab[portnum][0];
164 		iop_conf_t *eiopc = iopc + 32;
165 		uint msk = 1;
166 
167 		/*
168 		 * NOTE:
169 		 * index 0 refers to pin 31,
170 		 * index 31 refers to pin 0
171 		 */
172 		while (iopc < eiopc) {
173 			if (iopc->conf) {
174 				pmsk |= msk;
175 				if (iopc->ppar)
176 					ppar |= msk;
177 				if (iopc->psor)
178 					psor |= msk;
179 				if (iopc->pdir)
180 					pdir |= msk;
181 				if (iopc->podr)
182 					podr |= msk;
183 				if (iopc->pdat)
184 					pdat |= msk;
185 			}
186 
187 			msk <<= 1;
188 			iopc++;
189 		}
190 
191 		if (pmsk != 0) {
192 			volatile ioport_t *iop = ioport_addr (cpm, portnum);
193 			uint tpmsk = ~pmsk;
194 
195 			/*
196 			 * the (somewhat confused) paragraph at the
197 			 * bottom of page 35-5 warns that there might
198 			 * be "unknown behaviour" when programming
199 			 * PSORx and PDIRx, if PPARx = 1, so I
200 			 * decided this meant I had to disable the
201 			 * dedicated function first, and enable it
202 			 * last.
203 			 */
204 			iop->ppar &= tpmsk;
205 			iop->psor = (iop->psor & tpmsk) | psor;
206 			iop->podr = (iop->podr & tpmsk) | podr;
207 			iop->pdat = (iop->pdat & tpmsk) | pdat;
208 			iop->pdir = (iop->pdir & tpmsk) | pdir;
209 			iop->ppar |= ppar;
210 		}
211 	}
212 }
213 #endif
214 
215 #ifdef CONFIG_SYS_FSL_CPC
216 #if defined(CONFIG_RAMBOOT_PBL) || defined(CONFIG_SYS_CPC_REINIT_F)
217 void disable_cpc_sram(void)
218 {
219 	int i;
220 
221 	cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
222 
223 	for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
224 		if (in_be32(&cpc->cpcsrcr0) & CPC_SRCR0_SRAMEN) {
225 			/* find and disable LAW of SRAM */
226 			struct law_entry law = find_law(CONFIG_SYS_INIT_L3_ADDR);
227 
228 			if (law.index == -1) {
229 				printf("\nFatal error happened\n");
230 				return;
231 			}
232 			disable_law(law.index);
233 
234 			clrbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_CDQ_SPEC_DIS);
235 			out_be32(&cpc->cpccsr0, 0);
236 			out_be32(&cpc->cpcsrcr0, 0);
237 		}
238 	}
239 }
240 #endif
241 
242 #if defined(T1040_TDM_QUIRK_CCSR_BASE)
243 #ifdef CONFIG_POST
244 #error POST memory test cannot be enabled with TDM
245 #endif
246 static void enable_tdm_law(void)
247 {
248 	int ret;
249 	char buffer[HWCONFIG_BUFFER_SIZE] = {0};
250 	int tdm_hwconfig_enabled = 0;
251 
252 	/*
253 	 * Extract hwconfig from environment since environment
254 	 * is not setup properly yet. Search for tdm entry in
255 	 * hwconfig.
256 	 */
257 	ret = env_get_f("hwconfig", buffer, sizeof(buffer));
258 	if (ret > 0) {
259 		tdm_hwconfig_enabled = hwconfig_f("tdm", buffer);
260 		/* If tdm is defined in hwconfig, set law for tdm workaround */
261 		if (tdm_hwconfig_enabled)
262 			set_next_law(T1040_TDM_QUIRK_CCSR_BASE, LAW_SIZE_16M,
263 				     LAW_TRGT_IF_CCSR);
264 	}
265 }
266 #endif
267 
268 void enable_cpc(void)
269 {
270 	int i;
271 	int ret;
272 	u32 size = 0;
273 	u32 cpccfg0;
274 	char buffer[HWCONFIG_BUFFER_SIZE];
275 	char cpc_subarg[16];
276 	bool have_hwconfig = false;
277 	int cpc_args = 0;
278 	cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
279 
280 	/* Extract hwconfig from environment */
281 	ret = env_get_f("hwconfig", buffer, sizeof(buffer));
282 	if (ret > 0) {
283 		/*
284 		 * If "en_cpc" is not defined in hwconfig then by default all
285 		 * cpcs are enable. If this config is defined then individual
286 		 * cpcs which have to be enabled should also be defined.
287 		 * e.g en_cpc:cpc1,cpc2;
288 		 */
289 		if (hwconfig_f("en_cpc", buffer))
290 			have_hwconfig = true;
291 	}
292 
293 	for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
294 		if (have_hwconfig) {
295 			sprintf(cpc_subarg, "cpc%u", i + 1);
296 			cpc_args = hwconfig_sub_f("en_cpc", cpc_subarg, buffer);
297 			if (cpc_args == 0)
298 				continue;
299 		}
300 		cpccfg0 = in_be32(&cpc->cpccfg0);
301 		size += CPC_CFG0_SZ_K(cpccfg0);
302 
303 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002
304 		setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_TAG_ECC_SCRUB_DIS);
305 #endif
306 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A003
307 		setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_DATA_ECC_SCRUB_DIS);
308 #endif
309 #ifdef CONFIG_SYS_FSL_ERRATUM_A006593
310 		setbits_be32(&cpc->cpchdbcr0, 1 << (31 - 21));
311 #endif
312 #ifdef CONFIG_SYS_FSL_ERRATUM_A006379
313 		if (has_erratum_a006379()) {
314 			setbits_be32(&cpc->cpchdbcr0,
315 				     CPC_HDBCR0_SPLRU_LEVEL_EN);
316 		}
317 #endif
318 
319 		out_be32(&cpc->cpccsr0, CPC_CSR0_CE | CPC_CSR0_PE);
320 		/* Read back to sync write */
321 		in_be32(&cpc->cpccsr0);
322 
323 	}
324 
325 	puts("Corenet Platform Cache: ");
326 	print_size(size * 1024, " enabled\n");
327 }
328 
329 static void invalidate_cpc(void)
330 {
331 	int i;
332 	cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
333 
334 	for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
335 		/* skip CPC when it used as all SRAM */
336 		if (in_be32(&cpc->cpcsrcr0) & CPC_SRCR0_SRAMEN)
337 			continue;
338 		/* Flash invalidate the CPC and clear all the locks */
339 		out_be32(&cpc->cpccsr0, CPC_CSR0_FI | CPC_CSR0_LFC);
340 		while (in_be32(&cpc->cpccsr0) & (CPC_CSR0_FI | CPC_CSR0_LFC))
341 			;
342 	}
343 }
344 #else
345 #define enable_cpc()
346 #define invalidate_cpc()
347 #define disable_cpc_sram()
348 #endif /* CONFIG_SYS_FSL_CPC */
349 
350 /*
351  * Breathe some life into the CPU...
352  *
353  * Set up the memory map
354  * initialize a bunch of registers
355  */
356 
357 #ifdef CONFIG_FSL_CORENET
358 static void corenet_tb_init(void)
359 {
360 	volatile ccsr_rcpm_t *rcpm =
361 		(void *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR);
362 	volatile ccsr_pic_t *pic =
363 		(void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR);
364 	u32 whoami = in_be32(&pic->whoami);
365 
366 	/* Enable the timebase register for this core */
367 	out_be32(&rcpm->ctbenrl, (1 << whoami));
368 }
369 #endif
370 
371 #ifdef CONFIG_SYS_FSL_ERRATUM_A007212
372 void fsl_erratum_a007212_workaround(void)
373 {
374 	ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
375 	u32 ddr_pll_ratio;
376 	u32 __iomem *plldgdcr1 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c20);
377 	u32 __iomem *plldadcr1 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c28);
378 	u32 __iomem *dpdovrcr4 = (void *)(CONFIG_SYS_DCSRBAR + 0x21e80);
379 #if (CONFIG_SYS_NUM_DDR_CTLRS >= 2)
380 	u32 __iomem *plldgdcr2 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c40);
381 	u32 __iomem *plldadcr2 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c48);
382 #if (CONFIG_SYS_NUM_DDR_CTLRS >= 3)
383 	u32 __iomem *plldgdcr3 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c60);
384 	u32 __iomem *plldadcr3 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c68);
385 #endif
386 #endif
387 	/*
388 	 * Even this workaround applies to selected version of SoCs, it is
389 	 * safe to apply to all versions, with the limitation of odd ratios.
390 	 * If RCW has disabled DDR PLL, we have to apply this workaround,
391 	 * otherwise DDR will not work.
392 	 */
393 	ddr_pll_ratio = (in_be32(&gur->rcwsr[0]) >>
394 		FSL_CORENET_RCWSR0_MEM_PLL_RAT_SHIFT) &
395 		FSL_CORENET_RCWSR0_MEM_PLL_RAT_MASK;
396 	/* check if RCW sets ratio to 0, required by this workaround */
397 	if (ddr_pll_ratio != 0)
398 		return;
399 	ddr_pll_ratio = (in_be32(&gur->rcwsr[0]) >>
400 		FSL_CORENET_RCWSR0_MEM_PLL_RAT_RESV_SHIFT) &
401 		FSL_CORENET_RCWSR0_MEM_PLL_RAT_MASK;
402 	/* check if reserved bits have the desired ratio */
403 	if (ddr_pll_ratio == 0) {
404 		printf("Error: Unknown DDR PLL ratio!\n");
405 		return;
406 	}
407 	ddr_pll_ratio >>= 1;
408 
409 	setbits_be32(plldadcr1, 0x02000001);
410 #if (CONFIG_SYS_NUM_DDR_CTLRS >= 2)
411 	setbits_be32(plldadcr2, 0x02000001);
412 #if (CONFIG_SYS_NUM_DDR_CTLRS >= 3)
413 	setbits_be32(plldadcr3, 0x02000001);
414 #endif
415 #endif
416 	setbits_be32(dpdovrcr4, 0xe0000000);
417 	out_be32(plldgdcr1, 0x08000001 | (ddr_pll_ratio << 1));
418 #if (CONFIG_SYS_NUM_DDR_CTLRS >= 2)
419 	out_be32(plldgdcr2, 0x08000001 | (ddr_pll_ratio << 1));
420 #if (CONFIG_SYS_NUM_DDR_CTLRS >= 3)
421 	out_be32(plldgdcr3, 0x08000001 | (ddr_pll_ratio << 1));
422 #endif
423 #endif
424 	udelay(100);
425 	clrbits_be32(plldadcr1, 0x02000001);
426 #if (CONFIG_SYS_NUM_DDR_CTLRS >= 2)
427 	clrbits_be32(plldadcr2, 0x02000001);
428 #if (CONFIG_SYS_NUM_DDR_CTLRS >= 3)
429 	clrbits_be32(plldadcr3, 0x02000001);
430 #endif
431 #endif
432 	clrbits_be32(dpdovrcr4, 0xe0000000);
433 }
434 #endif
435 
436 ulong cpu_init_f(void)
437 {
438 	extern void m8560_cpm_reset (void);
439 #ifdef CONFIG_SYS_DCSRBAR_PHYS
440 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
441 #endif
442 #if defined(CONFIG_SECURE_BOOT) && !defined(CONFIG_SYS_RAMBOOT)
443 	struct law_entry law;
444 #endif
445 #ifdef CONFIG_ARCH_MPC8548
446 	ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
447 	uint svr = get_svr();
448 
449 	/*
450 	 * CPU2 errata workaround: A core hang possible while executing
451 	 * a msync instruction and a snoopable transaction from an I/O
452 	 * master tagged to make quick forward progress is present.
453 	 * Fixed in silicon rev 2.1.
454 	 */
455 	if ((SVR_MAJ(svr) == 1) || ((SVR_MAJ(svr) == 2 && SVR_MIN(svr) == 0x0)))
456 		out_be32(&ecm->eebpcr, in_be32(&ecm->eebpcr) | (1 << 16));
457 #endif
458 
459 	disable_tlb(14);
460 	disable_tlb(15);
461 
462 #if defined(CONFIG_SECURE_BOOT) && !defined(CONFIG_SYS_RAMBOOT)
463 	/* Disable the LAW created for NOR flash by the PBI commands */
464 	law = find_law(CONFIG_SYS_PBI_FLASH_BASE);
465 	if (law.index != -1)
466 		disable_law(law.index);
467 
468 #if defined(CONFIG_SYS_CPC_REINIT_F)
469 	disable_cpc_sram();
470 #endif
471 #endif
472 
473 #ifdef CONFIG_CPM2
474 	config_8560_ioports((ccsr_cpm_t *)CONFIG_SYS_MPC85xx_CPM_ADDR);
475 #endif
476 
477        init_early_memctl_regs();
478 
479 #if defined(CONFIG_CPM2)
480 	m8560_cpm_reset();
481 #endif
482 
483 #if defined(CONFIG_QE) && !defined(CONFIG_U_QE)
484 	/* Config QE ioports */
485 	config_qe_ioports();
486 #endif
487 
488 #if defined(CONFIG_FSL_DMA)
489 	dma_init();
490 #endif
491 #ifdef CONFIG_FSL_CORENET
492 	corenet_tb_init();
493 #endif
494 	init_used_tlb_cams();
495 
496 	/* Invalidate the CPC before DDR gets enabled */
497 	invalidate_cpc();
498 
499  #ifdef CONFIG_SYS_DCSRBAR_PHYS
500 	/* set DCSRCR so that DCSR space is 1G */
501 	setbits_be32(&gur->dcsrcr, FSL_CORENET_DCSR_SZ_1G);
502 	in_be32(&gur->dcsrcr);
503 #endif
504 
505 #ifdef CONFIG_SYS_FSL_ERRATUM_A007212
506 	fsl_erratum_a007212_workaround();
507 #endif
508 
509 	return 0;
510 }
511 
512 /* Implement a dummy function for those platforms w/o SERDES */
513 static void __fsl_serdes__init(void)
514 {
515 	return ;
516 }
517 __attribute__((weak, alias("__fsl_serdes__init"))) void fsl_serdes_init(void);
518 
519 #if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
520 int enable_cluster_l2(void)
521 {
522 	int i = 0;
523 	u32 cluster, svr = get_svr();
524 	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
525 	struct ccsr_cluster_l2 __iomem *l2cache;
526 
527 	/* only the L2 of first cluster should be enabled as expected on T4080,
528 	 * but there is no EOC in the first cluster as HW sake, so return here
529 	 * to skip enabling L2 cache of the 2nd cluster.
530 	 */
531 	if (SVR_SOC_VER(svr) == SVR_T4080)
532 		return 0;
533 
534 	cluster = in_be32(&gur->tp_cluster[i].lower);
535 	if (cluster & TP_CLUSTER_EOC)
536 		return 0;
537 
538 	/* The first cache has already been set up, so skip it */
539 	i++;
540 
541 	/* Look through the remaining clusters, and set up their caches */
542 	do {
543 		int j, cluster_valid = 0;
544 
545 		l2cache = (void __iomem *)(CONFIG_SYS_FSL_CLUSTER_1_L2 + i * 0x40000);
546 
547 		cluster = in_be32(&gur->tp_cluster[i].lower);
548 
549 		/* check that at least one core/accel is enabled in cluster */
550 		for (j = 0; j < 4; j++) {
551 			u32 idx = (cluster >> (j*8)) & TP_CLUSTER_INIT_MASK;
552 			u32 type = in_be32(&gur->tp_ityp[idx]);
553 
554 			if ((type & TP_ITYP_AV) &&
555 			    TP_ITYP_TYPE(type) == TP_ITYP_TYPE_PPC)
556 				cluster_valid = 1;
557 		}
558 
559 		if (cluster_valid) {
560 			/* set stash ID to (cluster) * 2 + 32 + 1 */
561 			clrsetbits_be32(&l2cache->l2csr1, 0xff, 32 + i * 2 + 1);
562 
563 			printf("enable l2 for cluster %d %p\n", i, l2cache);
564 
565 			out_be32(&l2cache->l2csr0, L2CSR0_L2FI|L2CSR0_L2LFC);
566 			while ((in_be32(&l2cache->l2csr0)
567 				& (L2CSR0_L2FI|L2CSR0_L2LFC)) != 0)
568 					;
569 			out_be32(&l2cache->l2csr0, L2CSR0_L2E|L2CSR0_L2PE|L2CSR0_L2REP_MODE);
570 		}
571 		i++;
572 	} while (!(cluster & TP_CLUSTER_EOC));
573 
574 	return 0;
575 }
576 #endif
577 
578 /*
579  * Initialize L2 as cache.
580  */
581 int l2cache_init(void)
582 {
583 	__maybe_unused u32 svr = get_svr();
584 #ifdef CONFIG_L2_CACHE
585 	ccsr_l2cache_t *l2cache = (void __iomem *)CONFIG_SYS_MPC85xx_L2_ADDR;
586 #elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
587 	struct ccsr_cluster_l2 * l2cache = (void __iomem *)CONFIG_SYS_FSL_CLUSTER_1_L2;
588 #endif
589 
590 	puts ("L2:    ");
591 
592 #if defined(CONFIG_L2_CACHE)
593 	volatile uint cache_ctl;
594 	uint ver;
595 	u32 l2siz_field;
596 
597 	ver = SVR_SOC_VER(svr);
598 
599 	asm("msync;isync");
600 	cache_ctl = l2cache->l2ctl;
601 
602 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
603 	if (cache_ctl & MPC85xx_L2CTL_L2E) {
604 		/* Clear L2 SRAM memory-mapped base address */
605 		out_be32(&l2cache->l2srbar0, 0x0);
606 		out_be32(&l2cache->l2srbar1, 0x0);
607 
608 		/* set MBECCDIS=0, SBECCDIS=0 */
609 		clrbits_be32(&l2cache->l2errdis,
610 				(MPC85xx_L2ERRDIS_MBECC |
611 				 MPC85xx_L2ERRDIS_SBECC));
612 
613 		/* set L2E=0, L2SRAM=0 */
614 		clrbits_be32(&l2cache->l2ctl,
615 				(MPC85xx_L2CTL_L2E |
616 				 MPC85xx_L2CTL_L2SRAM_ENTIRE));
617 	}
618 #endif
619 
620 	l2siz_field = (cache_ctl >> 28) & 0x3;
621 
622 	switch (l2siz_field) {
623 	case 0x0:
624 		printf(" unknown size (0x%08x)\n", cache_ctl);
625 		return -1;
626 		break;
627 	case 0x1:
628 		if (ver == SVR_8540 || ver == SVR_8560   ||
629 		    ver == SVR_8541 || ver == SVR_8555) {
630 			puts("128 KiB ");
631 			/* set L2E=1, L2I=1, & L2BLKSZ=1 (128 KiBibyte) */
632 			cache_ctl = 0xc4000000;
633 		} else {
634 			puts("256 KiB ");
635 			cache_ctl = 0xc0000000; /* set L2E=1, L2I=1, & L2SRAM=0 */
636 		}
637 		break;
638 	case 0x2:
639 		if (ver == SVR_8540 || ver == SVR_8560   ||
640 		    ver == SVR_8541 || ver == SVR_8555) {
641 			puts("256 KiB ");
642 			/* set L2E=1, L2I=1, & L2BLKSZ=2 (256 KiBibyte) */
643 			cache_ctl = 0xc8000000;
644 		} else {
645 			puts("512 KiB ");
646 			/* set L2E=1, L2I=1, & L2SRAM=0 */
647 			cache_ctl = 0xc0000000;
648 		}
649 		break;
650 	case 0x3:
651 		puts("1024 KiB ");
652 		/* set L2E=1, L2I=1, & L2SRAM=0 */
653 		cache_ctl = 0xc0000000;
654 		break;
655 	}
656 
657 	if (l2cache->l2ctl & MPC85xx_L2CTL_L2E) {
658 		puts("already enabled");
659 #if defined(CONFIG_SYS_INIT_L2_ADDR) && defined(CONFIG_SYS_FLASH_BASE)
660 		u32 l2srbar = l2cache->l2srbar0;
661 		if (l2cache->l2ctl & MPC85xx_L2CTL_L2SRAM_ENTIRE
662 				&& l2srbar >= CONFIG_SYS_FLASH_BASE) {
663 			l2srbar = CONFIG_SYS_INIT_L2_ADDR;
664 			l2cache->l2srbar0 = l2srbar;
665 			printf(", moving to 0x%08x", CONFIG_SYS_INIT_L2_ADDR);
666 		}
667 #endif /* CONFIG_SYS_INIT_L2_ADDR */
668 		puts("\n");
669 	} else {
670 		asm("msync;isync");
671 		l2cache->l2ctl = cache_ctl; /* invalidate & enable */
672 		asm("msync;isync");
673 		puts("enabled\n");
674 	}
675 #elif defined(CONFIG_BACKSIDE_L2_CACHE)
676 	if (SVR_SOC_VER(svr) == SVR_P2040) {
677 		puts("N/A\n");
678 		goto skip_l2;
679 	}
680 
681 	u32 l2cfg0 = mfspr(SPRN_L2CFG0);
682 
683 	/* invalidate the L2 cache */
684 	mtspr(SPRN_L2CSR0, (L2CSR0_L2FI|L2CSR0_L2LFC));
685 	while (mfspr(SPRN_L2CSR0) & (L2CSR0_L2FI|L2CSR0_L2LFC))
686 		;
687 
688 #ifdef CONFIG_SYS_CACHE_STASHING
689 	/* set stash id to (coreID) * 2 + 32 + L2 (1) */
690 	mtspr(SPRN_L2CSR1, (32 + 1));
691 #endif
692 
693 	/* enable the cache */
694 	mtspr(SPRN_L2CSR0, CONFIG_SYS_INIT_L2CSR0);
695 
696 	if (CONFIG_SYS_INIT_L2CSR0 & L2CSR0_L2E) {
697 		while (!(mfspr(SPRN_L2CSR0) & L2CSR0_L2E))
698 			;
699 		print_size((l2cfg0 & 0x3fff) * 64 * 1024, " enabled\n");
700 	}
701 
702 skip_l2:
703 #elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
704 	if (l2cache->l2csr0 & L2CSR0_L2E)
705 		print_size((l2cache->l2cfg0 & 0x3fff) * 64 * 1024,
706 			   " enabled\n");
707 
708 	enable_cluster_l2();
709 #else
710 	puts("disabled\n");
711 #endif
712 
713 	return 0;
714 }
715 
716 /*
717  *
718  * The newer 8548, etc, parts have twice as much cache, but
719  * use the same bit-encoding as the older 8555, etc, parts.
720  *
721  */
722 int cpu_init_r(void)
723 {
724 	__maybe_unused u32 svr = get_svr();
725 #ifdef CONFIG_SYS_LBC_LCRR
726 	fsl_lbc_t *lbc = (void __iomem *)LBC_BASE_ADDR;
727 #endif
728 #if defined(CONFIG_PPC_SPINTABLE_COMPATIBLE) && defined(CONFIG_MP)
729 	extern int spin_table_compat;
730 	const char *spin;
731 #endif
732 #ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571
733 	ccsr_sec_t __iomem *sec = (void *)CONFIG_SYS_FSL_SEC_ADDR;
734 #endif
735 #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) || \
736 	defined(CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011)
737 	/*
738 	 * CPU22 and NMG_CPU_A011 share the same workaround.
739 	 * CPU22 applies to P4080 rev 1.0, 2.0, fixed in 3.0
740 	 * NMG_CPU_A011 applies to P4080 rev 1.0, 2.0, fixed in 3.0
741 	 * also applies to P3041 rev 1.0, 1.1, P2041 rev 1.0, 1.1, both
742 	 * fixed in 2.0. NMG_CPU_A011 is activated by default and can
743 	 * be disabled by hwconfig with syntax:
744 	 *
745 	 * fsl_cpu_a011:disable
746 	 */
747 	extern int enable_cpu_a011_workaround;
748 #ifdef CONFIG_SYS_P4080_ERRATUM_CPU22
749 	enable_cpu_a011_workaround = (SVR_MAJ(svr) < 3);
750 #else
751 	char buffer[HWCONFIG_BUFFER_SIZE];
752 	char *buf = NULL;
753 	int n, res;
754 
755 	n = env_get_f("hwconfig", buffer, sizeof(buffer));
756 	if (n > 0)
757 		buf = buffer;
758 
759 	res = hwconfig_arg_cmp_f("fsl_cpu_a011", "disable", buf);
760 	if (res > 0) {
761 		enable_cpu_a011_workaround = 0;
762 	} else {
763 		if (n >= HWCONFIG_BUFFER_SIZE) {
764 			printf("fsl_cpu_a011 was not found. hwconfig variable "
765 				"may be too long\n");
766 		}
767 		enable_cpu_a011_workaround =
768 			(SVR_SOC_VER(svr) == SVR_P4080 && SVR_MAJ(svr) < 3) ||
769 			(SVR_SOC_VER(svr) != SVR_P4080 && SVR_MAJ(svr) < 2);
770 	}
771 #endif
772 	if (enable_cpu_a011_workaround) {
773 		flush_dcache();
774 		mtspr(L1CSR2, (mfspr(L1CSR2) | L1CSR2_DCWS));
775 		sync();
776 	}
777 #endif
778 
779 #ifdef CONFIG_SYS_FSL_ERRATUM_A007907
780 	flush_dcache();
781 	mtspr(L1CSR2, (mfspr(L1CSR2) & ~L1CSR2_DCSTASHID));
782 	sync();
783 #endif
784 
785 #ifdef CONFIG_SYS_FSL_ERRATUM_A005812
786 	/*
787 	 * A-005812 workaround sets bit 32 of SPR 976 for SoCs running
788 	 * in write shadow mode. Checking DCWS before setting SPR 976.
789 	 */
790 	if (mfspr(L1CSR2) & L1CSR2_DCWS)
791 		mtspr(SPRN_HDBCR0, (mfspr(SPRN_HDBCR0) | 0x80000000));
792 #endif
793 
794 #if defined(CONFIG_PPC_SPINTABLE_COMPATIBLE) && defined(CONFIG_MP)
795 	spin = env_get("spin_table_compat");
796 	if (spin && (*spin == 'n'))
797 		spin_table_compat = 0;
798 	else
799 		spin_table_compat = 1;
800 #endif
801 
802 #ifdef CONFIG_FSL_CORENET
803 	set_liodns();
804 #ifdef CONFIG_SYS_DPAA_QBMAN
805 	setup_qbman_portals();
806 #endif
807 #endif
808 
809 	l2cache_init();
810 #if defined(CONFIG_RAMBOOT_PBL)
811 	disable_cpc_sram();
812 #endif
813 	enable_cpc();
814 #if defined(T1040_TDM_QUIRK_CCSR_BASE)
815 	enable_tdm_law();
816 #endif
817 
818 #ifndef CONFIG_SYS_FSL_NO_SERDES
819 	/* needs to be in ram since code uses global static vars */
820 	fsl_serdes_init();
821 #endif
822 
823 #ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571
824 #define MCFGR_AXIPIPE 0x000000f0
825 	if (IS_SVR_REV(svr, 1, 0))
826 		sec_clrbits32(&sec->mcfgr, MCFGR_AXIPIPE);
827 #endif
828 
829 #ifdef CONFIG_SYS_FSL_ERRATUM_A005871
830 	if (IS_SVR_REV(svr, 1, 0)) {
831 		int i;
832 		__be32 *p = (void __iomem *)CONFIG_SYS_DCSRBAR + 0xb004c;
833 
834 		for (i = 0; i < 12; i++) {
835 			p += i + (i > 5 ? 11 : 0);
836 			out_be32(p, 0x2);
837 		}
838 		p = (void __iomem *)CONFIG_SYS_DCSRBAR + 0xb0108;
839 		out_be32(p, 0x34);
840 	}
841 #endif
842 
843 #ifdef CONFIG_SYS_SRIO
844 	srio_init();
845 #ifdef CONFIG_SRIO_PCIE_BOOT_MASTER
846 	char *s = env_get("bootmaster");
847 	if (s) {
848 		if (!strcmp(s, "SRIO1")) {
849 			srio_boot_master(1);
850 			srio_boot_master_release_slave(1);
851 		}
852 		if (!strcmp(s, "SRIO2")) {
853 			srio_boot_master(2);
854 			srio_boot_master_release_slave(2);
855 		}
856 	}
857 #endif
858 #endif
859 
860 #if defined(CONFIG_MP)
861 	setup_mp();
862 #endif
863 
864 #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC13
865 	{
866 		if (SVR_MAJ(svr) < 3) {
867 			void *p;
868 			p = (void *)CONFIG_SYS_DCSRBAR + 0x20520;
869 			setbits_be32(p, 1 << (31 - 14));
870 		}
871 	}
872 #endif
873 
874 #ifdef CONFIG_SYS_LBC_LCRR
875 	/*
876 	 * Modify the CLKDIV field of LCRR register to improve the writing
877 	 * speed for NOR flash.
878 	 */
879 	clrsetbits_be32(&lbc->lcrr, LCRR_CLKDIV, CONFIG_SYS_LBC_LCRR);
880 	__raw_readl(&lbc->lcrr);
881 	isync();
882 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_LBC103
883 	udelay(100);
884 #endif
885 #endif
886 
887 #ifdef CONFIG_SYS_FSL_USB1_PHY_ENABLE
888 	{
889 		struct ccsr_usb_phy __iomem *usb_phy1 =
890 			(void *)CONFIG_SYS_MPC85xx_USB1_PHY_ADDR;
891 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
892 		if (has_erratum_a006261())
893 			fsl_erratum_a006261_workaround(usb_phy1);
894 #endif
895 		out_be32(&usb_phy1->usb_enable_override,
896 				CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE);
897 	}
898 #endif
899 #ifdef CONFIG_SYS_FSL_USB2_PHY_ENABLE
900 	{
901 		struct ccsr_usb_phy __iomem *usb_phy2 =
902 			(void *)CONFIG_SYS_MPC85xx_USB2_PHY_ADDR;
903 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
904 		if (has_erratum_a006261())
905 			fsl_erratum_a006261_workaround(usb_phy2);
906 #endif
907 		out_be32(&usb_phy2->usb_enable_override,
908 				CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE);
909 	}
910 #endif
911 
912 #ifdef CONFIG_SYS_FSL_ERRATUM_USB14
913 	/* On P204x/P304x/P50x0 Rev1.0, USB transmit will result internal
914 	 * multi-bit ECC errors which has impact on performance, so software
915 	 * should disable all ECC reporting from USB1 and USB2.
916 	 */
917 	if (IS_SVR_REV(get_svr(), 1, 0)) {
918 		struct dcsr_dcfg_regs *dcfg = (struct dcsr_dcfg_regs *)
919 			(CONFIG_SYS_DCSRBAR + CONFIG_SYS_DCSR_DCFG_OFFSET);
920 		setbits_be32(&dcfg->ecccr1,
921 				(DCSR_DCFG_ECC_DISABLE_USB1 |
922 				 DCSR_DCFG_ECC_DISABLE_USB2));
923 	}
924 #endif
925 
926 #if defined(CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE)
927 		struct ccsr_usb_phy __iomem *usb_phy =
928 			(void *)CONFIG_SYS_MPC85xx_USB1_PHY_ADDR;
929 		setbits_be32(&usb_phy->pllprg[1],
930 			     CONFIG_SYS_FSL_USB_PLLPRG2_PHY2_CLK_EN |
931 			     CONFIG_SYS_FSL_USB_PLLPRG2_PHY1_CLK_EN |
932 			     CONFIG_SYS_FSL_USB_PLLPRG2_MFI |
933 			     CONFIG_SYS_FSL_USB_PLLPRG2_PLL_EN);
934 #ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
935 		usb_single_source_clk_configure(usb_phy);
936 #endif
937 		setbits_be32(&usb_phy->port1.ctrl,
938 			     CONFIG_SYS_FSL_USB_CTRL_PHY_EN);
939 		setbits_be32(&usb_phy->port1.drvvbuscfg,
940 			     CONFIG_SYS_FSL_USB_DRVVBUS_CR_EN);
941 		setbits_be32(&usb_phy->port1.pwrfltcfg,
942 			     CONFIG_SYS_FSL_USB_PWRFLT_CR_EN);
943 		setbits_be32(&usb_phy->port2.ctrl,
944 			     CONFIG_SYS_FSL_USB_CTRL_PHY_EN);
945 		setbits_be32(&usb_phy->port2.drvvbuscfg,
946 			     CONFIG_SYS_FSL_USB_DRVVBUS_CR_EN);
947 		setbits_be32(&usb_phy->port2.pwrfltcfg,
948 			     CONFIG_SYS_FSL_USB_PWRFLT_CR_EN);
949 
950 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
951 		if (has_erratum_a006261())
952 			fsl_erratum_a006261_workaround(usb_phy);
953 #endif
954 
955 #endif /* CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE */
956 
957 #ifdef CONFIG_SYS_FSL_ERRATUM_A009942
958 	erratum_a009942_check_cpo();
959 #endif
960 
961 #ifdef CONFIG_FMAN_ENET
962 	fman_enet_init();
963 #endif
964 
965 #if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_FSL_CORENET)
966 	if (pamu_init() < 0)
967 		fsl_secboot_handle_error(ERROR_ESBC_PAMU_INIT);
968 #endif
969 
970 #ifdef CONFIG_FSL_CAAM
971 	sec_init();
972 
973 #if defined(CONFIG_ARCH_C29X)
974 	if ((SVR_SOC_VER(svr) == SVR_C292) ||
975 	    (SVR_SOC_VER(svr) == SVR_C293))
976 		sec_init_idx(1);
977 
978 	if (SVR_SOC_VER(svr) == SVR_C293)
979 		sec_init_idx(2);
980 #endif
981 #endif
982 
983 #if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_SYS_FSL_ERRATUM_SATA_A001)
984 	/*
985 	 * For P1022/1013 Rev1.0 silicon, after power on SATA host
986 	 * controller is configured in legacy mode instead of the
987 	 * expected enterprise mode. Software needs to clear bit[28]
988 	 * of HControl register to change to enterprise mode from
989 	 * legacy mode.  We assume that the controller is offline.
990 	 */
991 	if (IS_SVR_REV(svr, 1, 0) &&
992 	    ((SVR_SOC_VER(svr) == SVR_P1022) ||
993 	     (SVR_SOC_VER(svr) == SVR_P1013))) {
994 		fsl_sata_reg_t *reg;
995 
996 		/* first SATA controller */
997 		reg = (void *)CONFIG_SYS_MPC85xx_SATA1_ADDR;
998 		clrbits_le32(&reg->hcontrol, HCONTROL_ENTERPRISE_EN);
999 
1000 		/* second SATA controller */
1001 		reg = (void *)CONFIG_SYS_MPC85xx_SATA2_ADDR;
1002 		clrbits_le32(&reg->hcontrol, HCONTROL_ENTERPRISE_EN);
1003 	}
1004 #endif
1005 
1006 	init_used_tlb_cams();
1007 
1008 	return 0;
1009 }
1010 
1011 void arch_preboot_os(void)
1012 {
1013 	u32 msr;
1014 
1015 	/*
1016 	 * We are changing interrupt offsets and are about to boot the OS so
1017 	 * we need to make sure we disable all async interrupts. EE is already
1018 	 * disabled by the time we get called.
1019 	 */
1020 	msr = mfmsr();
1021 	msr &= ~(MSR_ME|MSR_CE);
1022 	mtmsr(msr);
1023 }
1024 
1025 #if defined(CONFIG_SATA) && defined(CONFIG_FSL_SATA)
1026 int sata_initialize(void)
1027 {
1028 	if (is_serdes_configured(SATA1) || is_serdes_configured(SATA2))
1029 		return __sata_initialize();
1030 
1031 	return 1;
1032 }
1033 #endif
1034 
1035 void cpu_secondary_init_r(void)
1036 {
1037 #ifdef CONFIG_U_QE
1038 	uint qe_base = CONFIG_SYS_IMMR + 0x00140000; /* QE immr base */
1039 #elif defined CONFIG_QE
1040 	uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */
1041 #endif
1042 
1043 #ifdef CONFIG_QE
1044 	qe_init(qe_base);
1045 	qe_reset();
1046 #endif
1047 }
1048 
1049 #ifdef CONFIG_BOARD_LATE_INIT
1050 int board_late_init(void)
1051 {
1052 #ifdef CONFIG_CHAIN_OF_TRUST
1053 	fsl_setenv_chain_of_trust();
1054 #endif
1055 
1056 	return 0;
1057 }
1058 #endif
1059