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