2 * Copyright 2009-2011 Freescale Semiconductor, Inc.
4 * See file CREDITS for list of people who contributed to this
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
27 #include <asm/fsl_serdes.h>
28 #include <asm/immap_85xx.h>
30 #include <asm/processor.h>
31 #include <asm/fsl_law.h>
32 #include <asm/errno.h>
33 #include "fsl_corenet_serdes.h"
36 * The work-arounds for erratum SERDES8 and SERDES-A001 are linked together.
37 * The code is already very complicated as it is, and separating the two
38 * completely would just make things worse. We try to keep them as separate
39 * as possible, but for now we require SERDES8 if SERDES_A001 is defined.
41 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A001
42 #ifndef CONFIG_SYS_P4080_ERRATUM_SERDES8
43 #error "CONFIG_SYS_P4080_ERRATUM_SERDES_A001 requires CONFIG_SYS_P4080_ERRATUM_SERDES8"
47 static u32 serdes_prtcl_map;
50 static const char *serdes_prtcl_str[] = {
60 [SGMII_FM1_DTSEC1] = "SGMII_FM1_DTSEC1",
61 [SGMII_FM1_DTSEC2] = "SGMII_FM1_DTSEC2",
62 [SGMII_FM1_DTSEC3] = "SGMII_FM1_DTSEC3",
63 [SGMII_FM1_DTSEC4] = "SGMII_FM1_DTSEC4",
64 [SGMII_FM1_DTSEC5] = "SGMII_FM1_DTSEC5",
65 [SGMII_FM2_DTSEC1] = "SGMII_FM2_DTSEC1",
66 [SGMII_FM2_DTSEC2] = "SGMII_FM2_DTSEC2",
67 [SGMII_FM2_DTSEC3] = "SGMII_FM2_DTSEC3",
68 [SGMII_FM2_DTSEC4] = "SGMII_FM2_DTSEC4",
69 [SGMII_FM2_DTSEC5] = "SGMII_FM2_DTSEC5",
70 [XAUI_FM1] = "XAUI_FM1",
71 [XAUI_FM2] = "XAUI_FM2",
78 unsigned int lpd; /* RCW lane powerdown bit */
80 } lanes[SRDS_MAX_LANES] = {
81 { 0, 152, FSL_SRDS_BANK_1 },
82 { 1, 153, FSL_SRDS_BANK_1 },
83 { 2, 154, FSL_SRDS_BANK_1 },
84 { 3, 155, FSL_SRDS_BANK_1 },
85 { 4, 156, FSL_SRDS_BANK_1 },
86 { 5, 157, FSL_SRDS_BANK_1 },
87 { 6, 158, FSL_SRDS_BANK_1 },
88 { 7, 159, FSL_SRDS_BANK_1 },
89 { 8, 160, FSL_SRDS_BANK_1 },
90 { 9, 161, FSL_SRDS_BANK_1 },
91 { 16, 162, FSL_SRDS_BANK_2 },
92 { 17, 163, FSL_SRDS_BANK_2 },
93 { 18, 164, FSL_SRDS_BANK_2 },
94 { 19, 165, FSL_SRDS_BANK_2 },
95 #ifdef CONFIG_PPC_P4080
96 { 20, 170, FSL_SRDS_BANK_3 },
97 { 21, 171, FSL_SRDS_BANK_3 },
98 { 22, 172, FSL_SRDS_BANK_3 },
99 { 23, 173, FSL_SRDS_BANK_3 },
101 { 20, 166, FSL_SRDS_BANK_3 },
102 { 21, 167, FSL_SRDS_BANK_3 },
103 { 22, 168, FSL_SRDS_BANK_3 },
104 { 23, 169, FSL_SRDS_BANK_3 },
108 int serdes_get_lane_idx(int lane)
110 return lanes[lane].idx;
113 int serdes_get_bank_by_lane(int lane)
115 return lanes[lane].bank;
118 int serdes_lane_enabled(int lane)
120 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
121 serdes_corenet_t *regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
123 int bank = lanes[lane].bank;
124 int word = lanes[lane].lpd / 32;
125 int bit = lanes[lane].lpd % 32;
127 if (in_be32(®s->bank[bank].rstctl) & SRDS_RSTCTL_SDPD)
130 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
132 * For banks two and three, use the srds_lpd_b[] array instead of the
133 * RCW, because this array contains the real values of SRDS_LPD_B2 and
137 return !(srds_lpd_b[bank] & (8 >> (lane - (6 + 4 * bank))));
140 return !(in_be32(&gur->rcwsr[word]) & (0x80000000 >> bit));
143 int is_serdes_configured(enum srds_prtcl device)
145 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
147 /* Is serdes enabled at all? */
148 if (!(in_be32(&gur->rcwsr[5]) & FSL_CORENET_RCWSR5_SRDS_EN))
151 return (1 << device) & serdes_prtcl_map;
154 static int __serdes_get_first_lane(uint32_t prtcl, enum srds_prtcl device)
158 for (i = 0; i < SRDS_MAX_LANES; i++) {
159 if (serdes_get_prtcl(prtcl, i) == device)
167 * Returns the SERDES lane (0..SRDS_MAX_LANES-1) that routes to the given
168 * device. This depends on the current SERDES protocol, as defined in the RCW.
170 * Returns a negative error code if SERDES is disabled or the given device is
171 * not supported in the current SERDES protocol.
173 int serdes_get_first_lane(enum srds_prtcl device)
176 const ccsr_gur_t *gur;
178 gur = (typeof(gur))CONFIG_SYS_MPC85xx_GUTS_ADDR;
180 /* Is serdes enabled at all? */
181 if (unlikely((in_be32(&gur->rcwsr[5]) & 0x2000) == 0))
184 prtcl = (in_be32(&gur->rcwsr[4]) & FSL_CORENET_RCWSR4_SRDS_PRTCL) >> 26;
186 return __serdes_get_first_lane(prtcl, device);
189 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES9
191 * Returns the SERDES bank (1, 2, or 3) that a given device is on for a given
194 * Returns a negative error code if the given device is not supported for the
195 * given SERDES protocol.
197 static int serdes_get_bank_by_device(uint32_t prtcl, enum srds_prtcl device)
201 lane = __serdes_get_first_lane(prtcl, device);
202 if (unlikely(lane < 0))
205 return serdes_get_bank_by_lane(lane);
208 static uint32_t __serdes_get_lane_count(uint32_t prtcl, enum srds_prtcl device,
213 for (lane = first; lane < SRDS_MAX_LANES; lane++) {
214 if (serdes_get_prtcl(prtcl, lane) != device)
221 static void __serdes_reset_rx(serdes_corenet_t *regs,
223 enum srds_prtcl device)
225 int lane, idx, first, last;
227 lane = __serdes_get_first_lane(prtcl, device);
228 if (unlikely(lane < 0))
230 first = serdes_get_lane_idx(lane);
231 last = first + __serdes_get_lane_count(prtcl, device, lane);
234 * Set BnGCRy0[RRST] = 0 for each lane in the each bank that is
235 * selected as XAUI to place the lane into reset.
237 for (idx = first; idx < last; idx++)
238 clrbits_be32(®s->lane[idx].gcr0, SRDS_GCR0_RRST);
240 /* Wait at least 250 ns */
244 * Set BnGCRy0[RRST] = 1 for each lane in the each bank that is
245 * selected as XAUI to bring the lane out of reset.
247 for (idx = first; idx < last; idx++)
248 setbits_be32(®s->lane[idx].gcr0, SRDS_GCR0_RRST);
251 void serdes_reset_rx(enum srds_prtcl device)
254 const ccsr_gur_t *gur;
255 serdes_corenet_t *regs;
257 if (unlikely(device == NONE))
260 gur = (typeof(gur))CONFIG_SYS_MPC85xx_GUTS_ADDR;
262 /* Is serdes enabled at all? */
263 if (unlikely((in_be32(&gur->rcwsr[5]) & 0x2000) == 0))
266 regs = (typeof(regs))CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
267 prtcl = (in_be32(&gur->rcwsr[4]) & FSL_CORENET_RCWSR4_SRDS_PRTCL) >> 26;
269 __serdes_reset_rx(regs, prtcl, device);
273 #ifndef CONFIG_SYS_DCSRBAR_PHYS
274 #define CONFIG_SYS_DCSRBAR_PHYS 0x80000000 /* Must be 1GB-aligned for rev1.0 */
275 #define CONFIG_SYS_DCSRBAR 0x80000000
276 #define __DCSR_NOT_DEFINED_BY_CONFIG
279 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
281 * Enable a SERDES bank that was disabled via the RCW
283 * We only call this function for SERDES8 and SERDES-A001 in cases we really
284 * want to enable the bank, whether we actually want to use the lanes or not,
285 * so make sure at least one lane is enabled. We're only enabling this one
286 * lane to satisfy errata requirements that the bank be enabled.
288 * We use a local variable instead of srds_lpd_b[] because we want drivers to
289 * think that the lanes actually are disabled.
291 static void enable_bank(ccsr_gur_t *gur, int bank)
294 u32 temp_lpd_b = srds_lpd_b[bank];
297 * If we're asked to disable all lanes, just pretend we're doing
300 if (temp_lpd_b == 0xF)
304 * Enable the lanes SRDS_LPD_Bn. The RCW bits are read-only in
305 * CCSR, and read/write in DSCR.
307 rcw5 = in_be32(gur->rcwsr + 5);
308 if (bank == FSL_SRDS_BANK_2) {
309 rcw5 &= ~FSL_CORENET_RCWSRn_SRDS_LPD_B2;
310 rcw5 |= temp_lpd_b << 26;
311 } else if (bank == FSL_SRDS_BANK_3) {
312 rcw5 &= ~FSL_CORENET_RCWSRn_SRDS_LPD_B3;
313 rcw5 |= temp_lpd_b << 18;
315 printf("SERDES: enable_bank: bad bank %d\n", bank + 1);
319 /* See similar code in cpu/mpc85xx/cpu_init.c for an explanation
320 * of the DCSR mapping.
323 #ifdef __DCSR_NOT_DEFINED_BY_CONFIG
324 struct law_entry law = find_law(CONFIG_SYS_DCSRBAR_PHYS);
327 law_index = set_next_law(CONFIG_SYS_DCSRBAR_PHYS,
328 LAW_SIZE_1M, LAW_TRGT_IF_DCSR);
330 set_law(law.index, CONFIG_SYS_DCSRBAR_PHYS, LAW_SIZE_1M,
333 u32 *p = (void *)CONFIG_SYS_DCSRBAR + 0x20114;
335 #ifdef __DCSR_NOT_DEFINED_BY_CONFIG
337 disable_law(law_index);
339 set_law(law.index, law.addr, law.size, law.trgt_id);
345 * To avoid problems with clock jitter, rev 2 p4080 uses the pll from
346 * bank 3 to clock banks 2 and 3, as well as a limited selection of
347 * protocol configurations. This requires that banks 2 and 3's lanes be
348 * disabled in the RCW, and enabled with some fixup here to re-enable
349 * them, and to configure bank 2's clock parameters in bank 3's pll in
350 * cases where they differ.
352 static void p4080_erratum_serdes8(serdes_corenet_t *regs, ccsr_gur_t *gur,
353 u32 devdisr, u32 devdisr2, int cfg)
359 * The disabled lanes of bank 2 will cause the associated
360 * logic blocks to be disabled in DEVDISR. We reverse that here.
362 * Note that normally it is not permitted to clear DEVDISR bits
363 * once the device has been disabled, but the hardware people
364 * say that this special case is OK.
366 clrbits_be32(&gur->devdisr, devdisr);
367 clrbits_be32(&gur->devdisr2, devdisr2);
370 * Some protocols require special handling. There are a few
371 * additional protocol configurations that can be used, which are
372 * not listed here. See app note 4065 for supported protocol
378 * Bank 2 has PCIe which wants BWSEL -- tell bank 3's PLL.
379 * SGMII on bank 3 should still be usable.
381 setbits_be32(®s->bank[FSL_SRDS_BANK_3].pllcr1,
382 SRDS_PLLCR1_PLL_BWSEL);
388 * Banks 2 (XAUI) and 3 (SGMII) have different clocking
389 * requirements in these configurations. Bank 3 cannot
390 * be used and should have its lanes (but not the bank
391 * itself) disabled in the RCW. We set up bank 3's pll
392 * for bank 2's needs here.
394 srds_ratio_b2 = (in_be32(&gur->rcwsr[4]) >> 13) & 7;
396 /* Determine refclock from XAUI ratio */
397 switch (srds_ratio_b2) {
399 rfck_sel = SRDS_PLLCR0_RFCK_SEL_156_25;
402 rfck_sel = SRDS_PLLCR0_RFCK_SEL_125;
405 printf("SERDES: bad SRDS_RATIO_B2 %d\n",
410 clrsetbits_be32(®s->bank[FSL_SRDS_BANK_3].pllcr0,
411 SRDS_PLLCR0_RFCK_SEL_MASK, rfck_sel);
413 clrsetbits_be32(®s->bank[FSL_SRDS_BANK_3].pllcr0,
414 SRDS_PLLCR0_FRATE_SEL_MASK,
415 SRDS_PLLCR0_FRATE_SEL_6_25);
419 enable_bank(gur, FSL_SRDS_BANK_3);
423 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A005
425 * If PCIe is not selected as a protocol for any lanes driven by a given PLL,
426 * that PLL should have SRDSBnPLLCR1[PLLBW_SEL] = 0.
428 static void p4080_erratum_serdes_a005(serdes_corenet_t *regs, unsigned int cfg)
430 enum srds_prtcl device;
436 * If SRDS_PRTCL = 0x13 or 0x16, set SRDSB1PLLCR1[PLLBW_SEL]
439 clrbits_be32(®s->bank[FSL_SRDS_BANK_1].pllcr1,
440 SRDS_PLLCR1_PLL_BWSEL);
444 * If SRDS_PRTCL = 0x19, set SRDSB1PLLCR1[PLLBW_SEL] to 0 and
445 * SRDSB3PLLCR1[PLLBW_SEL] to 1.
447 clrbits_be32(®s->bank[FSL_SRDS_BANK_1].pllcr1,
448 SRDS_PLLCR1_PLL_BWSEL);
449 setbits_be32(®s->bank[FSL_SRDS_BANK_3].pllcr1,
450 SRDS_PLLCR1_PLL_BWSEL);
455 * Set SRDSBnPLLCR1[PLLBW_SEL] to 0 for each bank that selects XAUI
456 * before XAUI is initialized.
458 for (device = XAUI_FM1; device <= XAUI_FM2; device++) {
459 if (is_serdes_configured(device)) {
460 int bank = serdes_get_bank_by_device(cfg, device);
462 clrbits_be32(®s->bank[bank].pllcr1,
463 SRDS_PLLCR1_PLL_BWSEL);
470 * Wait for the RSTDONE bit to get set, or a one-second timeout.
472 static void wait_for_rstdone(unsigned int bank)
474 serdes_corenet_t *srds_regs =
475 (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
476 unsigned long long end_tick;
479 /* wait for reset complete or 1-second timeout */
480 end_tick = usec2ticks(1000000) + get_ticks();
482 rstctl = in_be32(&srds_regs->bank[bank].rstctl);
483 if (rstctl & SRDS_RSTCTL_RSTDONE)
485 } while (end_tick > get_ticks());
487 if (!(rstctl & SRDS_RSTCTL_RSTDONE))
488 printf("SERDES: timeout resetting bank %u\n", bank + 1);
492 static void __soc_serdes_init(void)
494 /* Allow for SoC-specific initialization in <SOC>_serdes.c */
496 void soc_serdes_init(void) __attribute__((weak, alias("__soc_serdes_init")));
498 void fsl_serdes_init(void)
500 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
502 serdes_corenet_t *srds_regs;
503 #ifdef CONFIG_PPC_P5040
504 serdes_corenet_t *srds2_regs;
507 int have_bank[SRDS_MAX_BANK] = {};
508 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
509 u32 serdes8_devdisr = 0;
510 u32 serdes8_devdisr2 = 0;
511 char srds_lpd_opt[16];
512 const char *srds_lpd_arg;
515 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A001
516 int need_serdes_a001; /* true == need work-around for SERDES A001 */
518 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
519 char buffer[HWCONFIG_BUFFER_SIZE];
523 * Extract hwconfig from environment since we have not properly setup
524 * the environment but need it for ddr config params
526 if (getenv_f("hwconfig", buffer, sizeof(buffer)) > 0)
530 /* Is serdes enabled at all? */
531 if (!(in_be32(&gur->rcwsr[5]) & FSL_CORENET_RCWSR5_SRDS_EN))
534 srds_regs = (void *)(CONFIG_SYS_FSL_CORENET_SERDES_ADDR);
535 cfg = (in_be32(&gur->rcwsr[4]) & FSL_CORENET_RCWSR4_SRDS_PRTCL) >> 26;
536 debug("Using SERDES configuration 0x%x, lane settings:\n", cfg);
538 if (!is_serdes_prtcl_valid(cfg)) {
539 printf("SERDES[PRTCL] = 0x%x is not valid\n", cfg);
543 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
545 * Display a warning if banks two and three are not disabled in the RCW,
546 * since our work-around for SERDES8 depends on these banks being
547 * disabled at power-on.
549 #define B2_B3 (FSL_CORENET_RCWSRn_SRDS_LPD_B2 | FSL_CORENET_RCWSRn_SRDS_LPD_B3)
550 if ((in_be32(&gur->rcwsr[5]) & B2_B3) != B2_B3) {
551 printf("Warning: SERDES8 requires banks two and "
552 "three to be disabled in the RCW\n");
556 * Store the values of the fsl_srds_lpd_b2 and fsl_srds_lpd_b3
557 * hwconfig options into the srds_lpd_b[] array. See README.p4080ds
558 * for a description of these options.
560 for (bank = 1; bank < ARRAY_SIZE(srds_lpd_b); bank++) {
561 sprintf(srds_lpd_opt, "fsl_srds_lpd_b%u", bank + 1);
563 hwconfig_subarg_f("serdes", srds_lpd_opt, &arglen, buf);
566 simple_strtoul(srds_lpd_arg, NULL, 0) & 0xf;
569 if ((cfg == 0xf) || (cfg == 0x10)) {
571 * For SERDES protocols 0xF and 0x10, force bank 3 to be
572 * disabled, because it is not supported.
574 srds_lpd_b[FSL_SRDS_BANK_3] = 0xF;
578 /* Look for banks with all lanes disabled, and power down the bank. */
579 for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
580 enum srds_prtcl lane_prtcl = serdes_get_prtcl(cfg, lane);
581 if (serdes_lane_enabled(lane)) {
582 have_bank[serdes_get_bank_by_lane(lane)] = 1;
583 serdes_prtcl_map |= (1 << lane_prtcl);
587 #ifdef CONFIG_PPC_P5040
589 * Lanes on bank 4 on P5040 are commented-out, but for some SERDES
590 * protocols, these lanes are routed to SATA. We use serdes_prtcl_map
591 * to decide whether a protocol is supported on a given lane, so SATA
592 * will be identified as not supported, and therefore not initialized.
593 * So for protocols which use SATA on bank4, we add SATA support in
605 serdes_prtcl_map |= 1 << SATA1 | 1 << SATA2;
608 srds2_regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES2_ADDR;
610 /* We don't need bank 4, so power it down */
611 setbits_be32(&srds2_regs->bank[0].rstctl, SRDS_RSTCTL_SDPD);
617 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
619 * Bank two uses the clock from bank three, so if bank two is enabled,
620 * then bank three must also be enabled.
622 if (have_bank[FSL_SRDS_BANK_2])
623 have_bank[FSL_SRDS_BANK_3] = 1;
626 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A001
628 * The work-aroud for erratum SERDES-A001 is needed only if bank two
629 * is disabled and bank three is enabled. The converse is also true,
630 * but SERDES8 ensures that bank 3 is always enabled if bank 2 is
631 * enabled, so there's no point in complicating the code to handle
635 !have_bank[FSL_SRDS_BANK_2] && have_bank[FSL_SRDS_BANK_3];
638 /* Power down the banks we're not interested in */
639 for (bank = 0; bank < SRDS_MAX_BANK; bank++) {
640 if (!have_bank[bank]) {
641 printf("SERDES: bank %d disabled\n", bank + 1);
642 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A001
644 * Erratum SERDES-A001 says bank two needs to be powered
645 * down after bank three is powered up, so don't power
646 * down bank two here.
648 if (!need_serdes_a001 || (bank != FSL_SRDS_BANK_2))
649 setbits_be32(&srds_regs->bank[bank].rstctl,
652 setbits_be32(&srds_regs->bank[bank].rstctl,
658 #ifdef CONFIG_SYS_FSL_ERRATUM_A004699
660 * To avoid the situation that resulted in the P4080 erratum
661 * SERDES-8, a given SerDes bank will use the PLLs from the previous
662 * bank if one of the PLL frequencies is a multiple of the other. For
663 * instance, if bank 3 is running at 2.5GHz and bank 2 is at 1.25GHz,
664 * then bank 3 will use bank 2's PLL. P5040 Erratum A-004699 says
665 * that, in this situation, lane synchronization is not initiated. So
666 * when we detect a bank with a "borrowed" PLL, we have to manually
667 * initiate lane synchronization.
669 for (bank = FSL_SRDS_BANK_2; bank <= FSL_SRDS_BANK_3; bank++) {
670 /* Determine the first lane for this bank */
673 for (lane = 0; lane < SRDS_MAX_LANES; lane++)
674 if (lanes[lane].bank == bank)
676 idx = lanes[lane].idx;
679 * Check if the PLL for the bank is borrowed. The UOTHL
680 * bit of the first lane will tell us that.
682 if (in_be32(&srds_regs->lane[idx].gcr0) & SRDS_GCR0_UOTHL) {
683 /* Manually start lane synchronization */
684 setbits_be32(&srds_regs->bank[bank].pllcr0,
685 SRDS_PLLCR0_PVCOCNT_EN);
690 #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES8) || defined (CONFIG_SYS_P4080_ERRATUM_SERDES9)
691 for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
692 enum srds_prtcl lane_prtcl;
694 idx = serdes_get_lane_idx(lane);
695 lane_prtcl = serdes_get_prtcl(cfg, lane);
712 printf("%s ", serdes_prtcl_str[lane_prtcl]);
715 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES9
717 * Set BnTTLCRy0[FLT_SEL] = 011011 and set BnTTLCRy0[31] = 1
718 * for each of the SerDes lanes selected as SGMII, XAUI, SRIO,
719 * or AURORA before the device is initialized.
721 * Note that this part of the SERDES-9 work-around is
722 * redundant if the work-around for A-4580 has already been
725 switch (lane_prtcl) {
726 case SGMII_FM1_DTSEC1:
727 case SGMII_FM1_DTSEC2:
728 case SGMII_FM1_DTSEC3:
729 case SGMII_FM1_DTSEC4:
730 case SGMII_FM2_DTSEC1:
731 case SGMII_FM2_DTSEC2:
732 case SGMII_FM2_DTSEC3:
733 case SGMII_FM2_DTSEC4:
734 case SGMII_FM2_DTSEC5:
740 out_be32(&srds_regs->lane[idx].ttlcr0,
741 SRDS_TTLCR0_FLT_SEL_KFR_26 |
742 SRDS_TTLCR0_FLT_SEL_KPH_28 |
743 SRDS_TTLCR0_FLT_SEL_750PPM |
744 SRDS_TTLCR0_FREQOVD_EN);
751 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
752 switch (lane_prtcl) {
756 serdes8_devdisr |= FSL_CORENET_DEVDISR_PCIE1 >>
757 (lane_prtcl - PCIE1);
761 serdes8_devdisr |= FSL_CORENET_DEVDISR_SRIO1 >>
762 (lane_prtcl - SRIO1);
764 case SGMII_FM1_DTSEC1:
765 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM1 |
766 FSL_CORENET_DEVDISR2_DTSEC1_1;
768 case SGMII_FM1_DTSEC2:
769 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM1 |
770 FSL_CORENET_DEVDISR2_DTSEC1_2;
772 case SGMII_FM1_DTSEC3:
773 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM1 |
774 FSL_CORENET_DEVDISR2_DTSEC1_3;
776 case SGMII_FM1_DTSEC4:
777 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM1 |
778 FSL_CORENET_DEVDISR2_DTSEC1_4;
780 case SGMII_FM2_DTSEC1:
781 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM2 |
782 FSL_CORENET_DEVDISR2_DTSEC2_1;
784 case SGMII_FM2_DTSEC2:
785 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM2 |
786 FSL_CORENET_DEVDISR2_DTSEC2_2;
788 case SGMII_FM2_DTSEC3:
789 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM2 |
790 FSL_CORENET_DEVDISR2_DTSEC2_3;
792 case SGMII_FM2_DTSEC4:
793 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM2 |
794 FSL_CORENET_DEVDISR2_DTSEC2_4;
796 case SGMII_FM2_DTSEC5:
797 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM2 |
798 FSL_CORENET_DEVDISR2_DTSEC2_5;
801 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM1 |
802 FSL_CORENET_DEVDISR2_10GEC1;
805 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM2 |
806 FSL_CORENET_DEVDISR2_10GEC2;
822 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A005
823 p4080_erratum_serdes_a005(srds_regs, cfg);
826 for (idx = 0; idx < SRDS_MAX_BANK; idx++) {
829 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
831 * Change bank init order to 0, 2, 1, so that the third bank's
832 * PLL is established before we start the second bank. The
833 * second bank uses the third bank's PLL.
837 bank = FSL_SRDS_BANK_3;
839 bank = FSL_SRDS_BANK_2;
842 /* Skip disabled banks */
843 if (!have_bank[bank])
846 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
849 * Re-enable devices on banks two and three that were
850 * disabled by the RCW, and then enable bank three. The
851 * devices need to be enabled before either bank is
854 p4080_erratum_serdes8(srds_regs, gur, serdes8_devdisr,
855 serdes8_devdisr2, cfg);
856 } else if (idx == 2) {
857 /* Enable bank two now that bank three is enabled. */
858 enable_bank(gur, FSL_SRDS_BANK_2);
862 wait_for_rstdone(bank);
865 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A001
866 if (need_serdes_a001) {
867 /* Bank 3 has been enabled, so now we can disable bank 2 */
868 setbits_be32(&srds_regs->bank[FSL_SRDS_BANK_2].rstctl,