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[u-boot] / arch / powerpc / cpu / mpc85xx / cpu_init.c
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 #ifdef CONFIG_FSL_CORENET
27 #include <asm/fsl_portals.h>
28 #include <asm/fsl_liodn.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
49 #include "../../../../drivers/block/fsl_sata.h"
50 #ifdef CONFIG_U_QE
51 #include <fsl_qe.h>
52 #endif
53
54 DECLARE_GLOBAL_DATA_PTR;
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_0;
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_3;
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 = getenv_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 = getenv_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_NUM_DDR_CONTROLLERS >= 2)
380         u32 __iomem *plldgdcr2 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c40);
381         u32 __iomem *plldadcr2 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c48);
382 #if (CONFIG_NUM_DDR_CONTROLLERS >= 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_NUM_DDR_CONTROLLERS >= 2)
411         setbits_be32(plldadcr2, 0x02000001);
412 #if (CONFIG_NUM_DDR_CONTROLLERS >= 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_NUM_DDR_CONTROLLERS >= 2)
419         out_be32(plldgdcr2, 0x08000001 | (ddr_pll_ratio << 1));
420 #if (CONFIG_NUM_DDR_CONTROLLERS >= 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_NUM_DDR_CONTROLLERS >= 2)
427         clrbits_be32(plldadcr2, 0x02000001);
428 #if (CONFIG_NUM_DDR_CONTROLLERS >= 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_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 = getenv_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 #ifdef CONFIG_SYS_FSL_ERRATUM_A005812
779         /*
780          * A-005812 workaround sets bit 32 of SPR 976 for SoCs running
781          * in write shadow mode. Checking DCWS before setting SPR 976.
782          */
783         if (mfspr(L1CSR2) & L1CSR2_DCWS)
784                 mtspr(SPRN_HDBCR0, (mfspr(SPRN_HDBCR0) | 0x80000000));
785 #endif
786
787 #if defined(CONFIG_PPC_SPINTABLE_COMPATIBLE) && defined(CONFIG_MP)
788         spin = getenv("spin_table_compat");
789         if (spin && (*spin == 'n'))
790                 spin_table_compat = 0;
791         else
792                 spin_table_compat = 1;
793 #endif
794
795 #ifdef CONFIG_FSL_CORENET
796         set_liodns();
797 #ifdef CONFIG_SYS_DPAA_QBMAN
798         setup_portals();
799 #endif
800 #endif
801
802         l2cache_init();
803 #if defined(CONFIG_RAMBOOT_PBL)
804         disable_cpc_sram();
805 #endif
806         enable_cpc();
807 #if defined(T1040_TDM_QUIRK_CCSR_BASE)
808         enable_tdm_law();
809 #endif
810
811 #ifndef CONFIG_SYS_FSL_NO_SERDES
812         /* needs to be in ram since code uses global static vars */
813         fsl_serdes_init();
814 #endif
815
816 #ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571
817 #define MCFGR_AXIPIPE 0x000000f0
818         if (IS_SVR_REV(svr, 1, 0))
819                 sec_clrbits32(&sec->mcfgr, MCFGR_AXIPIPE);
820 #endif
821
822 #ifdef CONFIG_SYS_FSL_ERRATUM_A005871
823         if (IS_SVR_REV(svr, 1, 0)) {
824                 int i;
825                 __be32 *p = (void __iomem *)CONFIG_SYS_DCSRBAR + 0xb004c;
826
827                 for (i = 0; i < 12; i++) {
828                         p += i + (i > 5 ? 11 : 0);
829                         out_be32(p, 0x2);
830                 }
831                 p = (void __iomem *)CONFIG_SYS_DCSRBAR + 0xb0108;
832                 out_be32(p, 0x34);
833         }
834 #endif
835
836 #ifdef CONFIG_SYS_SRIO
837         srio_init();
838 #ifdef CONFIG_SRIO_PCIE_BOOT_MASTER
839         char *s = getenv("bootmaster");
840         if (s) {
841                 if (!strcmp(s, "SRIO1")) {
842                         srio_boot_master(1);
843                         srio_boot_master_release_slave(1);
844                 }
845                 if (!strcmp(s, "SRIO2")) {
846                         srio_boot_master(2);
847                         srio_boot_master_release_slave(2);
848                 }
849         }
850 #endif
851 #endif
852
853 #if defined(CONFIG_MP)
854         setup_mp();
855 #endif
856
857 #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC13
858         {
859                 if (SVR_MAJ(svr) < 3) {
860                         void *p;
861                         p = (void *)CONFIG_SYS_DCSRBAR + 0x20520;
862                         setbits_be32(p, 1 << (31 - 14));
863                 }
864         }
865 #endif
866
867 #ifdef CONFIG_SYS_LBC_LCRR
868         /*
869          * Modify the CLKDIV field of LCRR register to improve the writing
870          * speed for NOR flash.
871          */
872         clrsetbits_be32(&lbc->lcrr, LCRR_CLKDIV, CONFIG_SYS_LBC_LCRR);
873         __raw_readl(&lbc->lcrr);
874         isync();
875 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_LBC103
876         udelay(100);
877 #endif
878 #endif
879
880 #ifdef CONFIG_SYS_FSL_USB1_PHY_ENABLE
881         {
882                 struct ccsr_usb_phy __iomem *usb_phy1 =
883                         (void *)CONFIG_SYS_MPC85xx_USB1_PHY_ADDR;
884 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
885                 if (has_erratum_a006261())
886                         fsl_erratum_a006261_workaround(usb_phy1);
887 #endif
888                 out_be32(&usb_phy1->usb_enable_override,
889                                 CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE);
890         }
891 #endif
892 #ifdef CONFIG_SYS_FSL_USB2_PHY_ENABLE
893         {
894                 struct ccsr_usb_phy __iomem *usb_phy2 =
895                         (void *)CONFIG_SYS_MPC85xx_USB2_PHY_ADDR;
896 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
897                 if (has_erratum_a006261())
898                         fsl_erratum_a006261_workaround(usb_phy2);
899 #endif
900                 out_be32(&usb_phy2->usb_enable_override,
901                                 CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE);
902         }
903 #endif
904
905 #ifdef CONFIG_SYS_FSL_ERRATUM_USB14
906         /* On P204x/P304x/P50x0 Rev1.0, USB transmit will result internal
907          * multi-bit ECC errors which has impact on performance, so software
908          * should disable all ECC reporting from USB1 and USB2.
909          */
910         if (IS_SVR_REV(get_svr(), 1, 0)) {
911                 struct dcsr_dcfg_regs *dcfg = (struct dcsr_dcfg_regs *)
912                         (CONFIG_SYS_DCSRBAR + CONFIG_SYS_DCSR_DCFG_OFFSET);
913                 setbits_be32(&dcfg->ecccr1,
914                                 (DCSR_DCFG_ECC_DISABLE_USB1 |
915                                  DCSR_DCFG_ECC_DISABLE_USB2));
916         }
917 #endif
918
919 #if defined(CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE)
920                 struct ccsr_usb_phy __iomem *usb_phy =
921                         (void *)CONFIG_SYS_MPC85xx_USB1_PHY_ADDR;
922                 setbits_be32(&usb_phy->pllprg[1],
923                              CONFIG_SYS_FSL_USB_PLLPRG2_PHY2_CLK_EN |
924                              CONFIG_SYS_FSL_USB_PLLPRG2_PHY1_CLK_EN |
925                              CONFIG_SYS_FSL_USB_PLLPRG2_MFI |
926                              CONFIG_SYS_FSL_USB_PLLPRG2_PLL_EN);
927 #ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
928                 usb_single_source_clk_configure(usb_phy);
929 #endif
930                 setbits_be32(&usb_phy->port1.ctrl,
931                              CONFIG_SYS_FSL_USB_CTRL_PHY_EN);
932                 setbits_be32(&usb_phy->port1.drvvbuscfg,
933                              CONFIG_SYS_FSL_USB_DRVVBUS_CR_EN);
934                 setbits_be32(&usb_phy->port1.pwrfltcfg,
935                              CONFIG_SYS_FSL_USB_PWRFLT_CR_EN);
936                 setbits_be32(&usb_phy->port2.ctrl,
937                              CONFIG_SYS_FSL_USB_CTRL_PHY_EN);
938                 setbits_be32(&usb_phy->port2.drvvbuscfg,
939                              CONFIG_SYS_FSL_USB_DRVVBUS_CR_EN);
940                 setbits_be32(&usb_phy->port2.pwrfltcfg,
941                              CONFIG_SYS_FSL_USB_PWRFLT_CR_EN);
942
943 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
944                 if (has_erratum_a006261())
945                         fsl_erratum_a006261_workaround(usb_phy);
946 #endif
947
948 #endif /* CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE */
949
950 #ifdef CONFIG_FMAN_ENET
951         fman_enet_init();
952 #endif
953
954 #if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_FSL_CORENET)
955         if (pamu_init() < 0)
956                 fsl_secboot_handle_error(ERROR_ESBC_PAMU_INIT);
957 #endif
958
959 #ifdef CONFIG_FSL_CAAM
960         sec_init();
961
962 #if defined(CONFIG_PPC_C29X)
963         if ((SVR_SOC_VER(svr) == SVR_C292) ||
964             (SVR_SOC_VER(svr) == SVR_C293))
965                 sec_init_idx(1);
966
967         if (SVR_SOC_VER(svr) == SVR_C293)
968                 sec_init_idx(2);
969 #endif
970 #endif
971
972 #if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_FSL_SATA_ERRATUM_A001)
973         /*
974          * For P1022/1013 Rev1.0 silicon, after power on SATA host
975          * controller is configured in legacy mode instead of the
976          * expected enterprise mode. Software needs to clear bit[28]
977          * of HControl register to change to enterprise mode from
978          * legacy mode.  We assume that the controller is offline.
979          */
980         if (IS_SVR_REV(svr, 1, 0) &&
981             ((SVR_SOC_VER(svr) == SVR_P1022) ||
982              (SVR_SOC_VER(svr) == SVR_P1013))) {
983                 fsl_sata_reg_t *reg;
984
985                 /* first SATA controller */
986                 reg = (void *)CONFIG_SYS_MPC85xx_SATA1_ADDR;
987                 clrbits_le32(&reg->hcontrol, HCONTROL_ENTERPRISE_EN);
988
989                 /* second SATA controller */
990                 reg = (void *)CONFIG_SYS_MPC85xx_SATA2_ADDR;
991                 clrbits_le32(&reg->hcontrol, HCONTROL_ENTERPRISE_EN);
992         }
993 #endif
994
995         init_used_tlb_cams();
996
997         return 0;
998 }
999
1000 void arch_preboot_os(void)
1001 {
1002         u32 msr;
1003
1004         /*
1005          * We are changing interrupt offsets and are about to boot the OS so
1006          * we need to make sure we disable all async interrupts. EE is already
1007          * disabled by the time we get called.
1008          */
1009         msr = mfmsr();
1010         msr &= ~(MSR_ME|MSR_CE);
1011         mtmsr(msr);
1012 }
1013
1014 #if defined(CONFIG_CMD_SATA) && defined(CONFIG_FSL_SATA)
1015 int sata_initialize(void)
1016 {
1017         if (is_serdes_configured(SATA1) || is_serdes_configured(SATA2))
1018                 return __sata_initialize();
1019
1020         return 1;
1021 }
1022 #endif
1023
1024 void cpu_secondary_init_r(void)
1025 {
1026 #ifdef CONFIG_U_QE
1027         uint qe_base = CONFIG_SYS_IMMR + 0x00140000; /* QE immr base */
1028 #elif defined CONFIG_QE
1029         uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */
1030 #endif
1031
1032 #ifdef CONFIG_QE
1033         qe_init(qe_base);
1034         qe_reset();
1035 #endif
1036 }
1037
1038 #ifdef CONFIG_BOARD_LATE_INIT
1039 int board_late_init(void)
1040 {
1041 #ifdef CONFIG_CHAIN_OF_TRUST
1042         fsl_setenv_chain_of_trust();
1043 #endif
1044
1045         return 0;
1046 }
1047 #endif