1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2009-2011 Freescale Semiconductor, Inc.
10 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
13 #include <asm/fsl_serdes.h>
14 #include <asm/immap_85xx.h>
16 #include <asm/processor.h>
17 #include <asm/fsl_law.h>
18 #include <linux/errno.h>
19 #include "fsl_corenet_serdes.h"
22 * The work-arounds for erratum SERDES8 and SERDES-A001 are linked together.
23 * The code is already very complicated as it is, and separating the two
24 * completely would just make things worse. We try to keep them as separate
25 * as possible, but for now we require SERDES8 if SERDES_A001 is defined.
27 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A001
28 #ifndef CONFIG_SYS_P4080_ERRATUM_SERDES8
29 #error "CONFIG_SYS_P4080_ERRATUM_SERDES_A001 requires CONFIG_SYS_P4080_ERRATUM_SERDES8"
33 static u32 serdes_prtcl_map;
36 static const char *serdes_prtcl_str[] = {
46 [SGMII_FM1_DTSEC1] = "SGMII_FM1_DTSEC1",
47 [SGMII_FM1_DTSEC2] = "SGMII_FM1_DTSEC2",
48 [SGMII_FM1_DTSEC3] = "SGMII_FM1_DTSEC3",
49 [SGMII_FM1_DTSEC4] = "SGMII_FM1_DTSEC4",
50 [SGMII_FM1_DTSEC5] = "SGMII_FM1_DTSEC5",
51 [SGMII_FM2_DTSEC1] = "SGMII_FM2_DTSEC1",
52 [SGMII_FM2_DTSEC2] = "SGMII_FM2_DTSEC2",
53 [SGMII_FM2_DTSEC3] = "SGMII_FM2_DTSEC3",
54 [SGMII_FM2_DTSEC4] = "SGMII_FM2_DTSEC4",
55 [SGMII_FM2_DTSEC5] = "SGMII_FM2_DTSEC5",
56 [XAUI_FM1] = "XAUI_FM1",
57 [XAUI_FM2] = "XAUI_FM2",
64 unsigned int lpd; /* RCW lane powerdown bit */
66 } lanes[SRDS_MAX_LANES] = {
67 { 0, 152, FSL_SRDS_BANK_1 },
68 { 1, 153, FSL_SRDS_BANK_1 },
69 { 2, 154, FSL_SRDS_BANK_1 },
70 { 3, 155, FSL_SRDS_BANK_1 },
71 { 4, 156, FSL_SRDS_BANK_1 },
72 { 5, 157, FSL_SRDS_BANK_1 },
73 { 6, 158, FSL_SRDS_BANK_1 },
74 { 7, 159, FSL_SRDS_BANK_1 },
75 { 8, 160, FSL_SRDS_BANK_1 },
76 { 9, 161, FSL_SRDS_BANK_1 },
77 { 16, 162, FSL_SRDS_BANK_2 },
78 { 17, 163, FSL_SRDS_BANK_2 },
79 { 18, 164, FSL_SRDS_BANK_2 },
80 { 19, 165, FSL_SRDS_BANK_2 },
81 #ifdef CONFIG_ARCH_P4080
82 { 20, 170, FSL_SRDS_BANK_3 },
83 { 21, 171, FSL_SRDS_BANK_3 },
84 { 22, 172, FSL_SRDS_BANK_3 },
85 { 23, 173, FSL_SRDS_BANK_3 },
87 { 20, 166, FSL_SRDS_BANK_3 },
88 { 21, 167, FSL_SRDS_BANK_3 },
89 { 22, 168, FSL_SRDS_BANK_3 },
90 { 23, 169, FSL_SRDS_BANK_3 },
93 { 24, 175, FSL_SRDS_BANK_4 },
94 { 25, 176, FSL_SRDS_BANK_4 },
98 int serdes_get_lane_idx(int lane)
100 return lanes[lane].idx;
103 int serdes_get_bank_by_lane(int lane)
105 return lanes[lane].bank;
108 int serdes_lane_enabled(int lane)
110 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
111 serdes_corenet_t *regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
113 int bank = lanes[lane].bank;
114 int word = lanes[lane].lpd / 32;
115 int bit = lanes[lane].lpd % 32;
117 if (in_be32(®s->bank[bank].rstctl) & SRDS_RSTCTL_SDPD)
120 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
122 * For banks two and three, use the srds_lpd_b[] array instead of the
123 * RCW, because this array contains the real values of SRDS_LPD_B2 and
127 return !(srds_lpd_b[bank] & (8 >> (lane - (6 + 4 * bank))));
130 return !(in_be32(&gur->rcwsr[word]) & (0x80000000 >> bit));
133 int is_serdes_configured(enum srds_prtcl device)
135 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
137 /* Is serdes enabled at all? */
138 if (!(in_be32(&gur->rcwsr[5]) & FSL_CORENET_RCWSR5_SRDS_EN))
141 if (!(serdes_prtcl_map & (1 << NONE)))
144 return (1 << device) & serdes_prtcl_map;
147 static int __serdes_get_first_lane(uint32_t prtcl, enum srds_prtcl device)
151 for (i = 0; i < SRDS_MAX_LANES; i++) {
152 if (serdes_get_prtcl(prtcl, i) == device)
160 * Returns the SERDES lane (0..SRDS_MAX_LANES-1) that routes to the given
161 * device. This depends on the current SERDES protocol, as defined in the RCW.
163 * Returns a negative error code if SERDES is disabled or the given device is
164 * not supported in the current SERDES protocol.
166 int serdes_get_first_lane(enum srds_prtcl device)
169 const ccsr_gur_t *gur;
171 gur = (typeof(gur))CONFIG_SYS_MPC85xx_GUTS_ADDR;
173 /* Is serdes enabled at all? */
174 if (unlikely((in_be32(&gur->rcwsr[5]) & 0x2000) == 0))
177 prtcl = (in_be32(&gur->rcwsr[4]) & FSL_CORENET_RCWSR4_SRDS_PRTCL) >> 26;
179 return __serdes_get_first_lane(prtcl, device);
182 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES9
184 * Returns the SERDES bank (1, 2, or 3) that a given device is on for a given
187 * Returns a negative error code if the given device is not supported for the
188 * given SERDES protocol.
190 static int serdes_get_bank_by_device(uint32_t prtcl, enum srds_prtcl device)
194 lane = __serdes_get_first_lane(prtcl, device);
195 if (unlikely(lane < 0))
198 return serdes_get_bank_by_lane(lane);
201 static uint32_t __serdes_get_lane_count(uint32_t prtcl, enum srds_prtcl device,
206 for (lane = first; lane < SRDS_MAX_LANES; lane++) {
207 if (serdes_get_prtcl(prtcl, lane) != device)
214 static void __serdes_reset_rx(serdes_corenet_t *regs,
216 enum srds_prtcl device)
218 int lane, idx, first, last;
220 lane = __serdes_get_first_lane(prtcl, device);
221 if (unlikely(lane < 0))
223 first = serdes_get_lane_idx(lane);
224 last = first + __serdes_get_lane_count(prtcl, device, lane);
227 * Set BnGCRy0[RRST] = 0 for each lane in the each bank that is
228 * selected as XAUI to place the lane into reset.
230 for (idx = first; idx < last; idx++)
231 clrbits_be32(®s->lane[idx].gcr0, SRDS_GCR0_RRST);
233 /* Wait at least 250 ns */
237 * Set BnGCRy0[RRST] = 1 for each lane in the each bank that is
238 * selected as XAUI to bring the lane out of reset.
240 for (idx = first; idx < last; idx++)
241 setbits_be32(®s->lane[idx].gcr0, SRDS_GCR0_RRST);
244 void serdes_reset_rx(enum srds_prtcl device)
247 const ccsr_gur_t *gur;
248 serdes_corenet_t *regs;
250 if (unlikely(device == NONE))
253 gur = (typeof(gur))CONFIG_SYS_MPC85xx_GUTS_ADDR;
255 /* Is serdes enabled at all? */
256 if (unlikely((in_be32(&gur->rcwsr[5]) & 0x2000) == 0))
259 regs = (typeof(regs))CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
260 prtcl = (in_be32(&gur->rcwsr[4]) & FSL_CORENET_RCWSR4_SRDS_PRTCL) >> 26;
262 __serdes_reset_rx(regs, prtcl, device);
266 #ifndef CONFIG_SYS_DCSRBAR_PHYS
267 #define CONFIG_SYS_DCSRBAR_PHYS 0x80000000 /* Must be 1GB-aligned for rev1.0 */
268 #define CONFIG_SYS_DCSRBAR 0x80000000
269 #define __DCSR_NOT_DEFINED_BY_CONFIG
272 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
274 * Enable a SERDES bank that was disabled via the RCW
276 * We only call this function for SERDES8 and SERDES-A001 in cases we really
277 * want to enable the bank, whether we actually want to use the lanes or not,
278 * so make sure at least one lane is enabled. We're only enabling this one
279 * lane to satisfy errata requirements that the bank be enabled.
281 * We use a local variable instead of srds_lpd_b[] because we want drivers to
282 * think that the lanes actually are disabled.
284 static void enable_bank(ccsr_gur_t *gur, int bank)
287 u32 temp_lpd_b = srds_lpd_b[bank];
290 * If we're asked to disable all lanes, just pretend we're doing
293 if (temp_lpd_b == 0xF)
297 * Enable the lanes SRDS_LPD_Bn. The RCW bits are read-only in
298 * CCSR, and read/write in DSCR.
300 rcw5 = in_be32(gur->rcwsr + 5);
301 if (bank == FSL_SRDS_BANK_2) {
302 rcw5 &= ~FSL_CORENET_RCWSRn_SRDS_LPD_B2;
303 rcw5 |= temp_lpd_b << 26;
304 } else if (bank == FSL_SRDS_BANK_3) {
305 rcw5 &= ~FSL_CORENET_RCWSRn_SRDS_LPD_B3;
306 rcw5 |= temp_lpd_b << 18;
308 printf("SERDES: enable_bank: bad bank %d\n", bank + 1);
312 /* See similar code in cpu/mpc85xx/cpu_init.c for an explanation
313 * of the DCSR mapping.
316 #ifdef __DCSR_NOT_DEFINED_BY_CONFIG
317 struct law_entry law = find_law(CONFIG_SYS_DCSRBAR_PHYS);
320 law_index = set_next_law(CONFIG_SYS_DCSRBAR_PHYS,
321 LAW_SIZE_1M, LAW_TRGT_IF_DCSR);
323 set_law(law.index, CONFIG_SYS_DCSRBAR_PHYS, LAW_SIZE_1M,
326 u32 *p = (void *)CONFIG_SYS_DCSRBAR + 0x20114;
328 #ifdef __DCSR_NOT_DEFINED_BY_CONFIG
330 disable_law(law_index);
332 set_law(law.index, law.addr, law.size, law.trgt_id);
338 * To avoid problems with clock jitter, rev 2 p4080 uses the pll from
339 * bank 3 to clock banks 2 and 3, as well as a limited selection of
340 * protocol configurations. This requires that banks 2 and 3's lanes be
341 * disabled in the RCW, and enabled with some fixup here to re-enable
342 * them, and to configure bank 2's clock parameters in bank 3's pll in
343 * cases where they differ.
345 static void p4080_erratum_serdes8(serdes_corenet_t *regs, ccsr_gur_t *gur,
346 u32 devdisr, u32 devdisr2, int cfg)
352 * The disabled lanes of bank 2 will cause the associated
353 * logic blocks to be disabled in DEVDISR. We reverse that here.
355 * Note that normally it is not permitted to clear DEVDISR bits
356 * once the device has been disabled, but the hardware people
357 * say that this special case is OK.
359 clrbits_be32(&gur->devdisr, devdisr);
360 clrbits_be32(&gur->devdisr2, devdisr2);
363 * Some protocols require special handling. There are a few
364 * additional protocol configurations that can be used, which are
365 * not listed here. See app note 4065 for supported protocol
371 * Bank 2 has PCIe which wants BWSEL -- tell bank 3's PLL.
372 * SGMII on bank 3 should still be usable.
374 setbits_be32(®s->bank[FSL_SRDS_BANK_3].pllcr1,
375 SRDS_PLLCR1_PLL_BWSEL);
381 * Banks 2 (XAUI) and 3 (SGMII) have different clocking
382 * requirements in these configurations. Bank 3 cannot
383 * be used and should have its lanes (but not the bank
384 * itself) disabled in the RCW. We set up bank 3's pll
385 * for bank 2's needs here.
387 srds_ratio_b2 = (in_be32(&gur->rcwsr[4]) >> 13) & 7;
389 /* Determine refclock from XAUI ratio */
390 switch (srds_ratio_b2) {
392 rfck_sel = SRDS_PLLCR0_RFCK_SEL_156_25;
395 rfck_sel = SRDS_PLLCR0_RFCK_SEL_125;
398 printf("SERDES: bad SRDS_RATIO_B2 %d\n",
403 clrsetbits_be32(®s->bank[FSL_SRDS_BANK_3].pllcr0,
404 SRDS_PLLCR0_RFCK_SEL_MASK, rfck_sel);
406 clrsetbits_be32(®s->bank[FSL_SRDS_BANK_3].pllcr0,
407 SRDS_PLLCR0_FRATE_SEL_MASK,
408 SRDS_PLLCR0_FRATE_SEL_6_25);
412 enable_bank(gur, FSL_SRDS_BANK_3);
416 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A005
418 * If PCIe is not selected as a protocol for any lanes driven by a given PLL,
419 * that PLL should have SRDSBnPLLCR1[PLLBW_SEL] = 0.
421 static void p4080_erratum_serdes_a005(serdes_corenet_t *regs, unsigned int cfg)
423 enum srds_prtcl device;
429 * If SRDS_PRTCL = 0x13 or 0x16, set SRDSB1PLLCR1[PLLBW_SEL]
432 clrbits_be32(®s->bank[FSL_SRDS_BANK_1].pllcr1,
433 SRDS_PLLCR1_PLL_BWSEL);
437 * If SRDS_PRTCL = 0x19, set SRDSB1PLLCR1[PLLBW_SEL] to 0 and
438 * SRDSB3PLLCR1[PLLBW_SEL] to 1.
440 clrbits_be32(®s->bank[FSL_SRDS_BANK_1].pllcr1,
441 SRDS_PLLCR1_PLL_BWSEL);
442 setbits_be32(®s->bank[FSL_SRDS_BANK_3].pllcr1,
443 SRDS_PLLCR1_PLL_BWSEL);
448 * Set SRDSBnPLLCR1[PLLBW_SEL] to 0 for each bank that selects XAUI
449 * before XAUI is initialized.
451 for (device = XAUI_FM1; device <= XAUI_FM2; device++) {
452 if (is_serdes_configured(device)) {
453 int bank = serdes_get_bank_by_device(cfg, device);
455 clrbits_be32(®s->bank[bank].pllcr1,
456 SRDS_PLLCR1_PLL_BWSEL);
463 * Wait for the RSTDONE bit to get set, or a one-second timeout.
465 static void wait_for_rstdone(unsigned int bank)
467 serdes_corenet_t *srds_regs =
468 (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
469 unsigned long long end_tick;
472 /* wait for reset complete or 1-second timeout */
473 end_tick = usec2ticks(1000000) + get_ticks();
475 rstctl = in_be32(&srds_regs->bank[bank].rstctl);
476 if (rstctl & SRDS_RSTCTL_RSTDONE)
478 } while (end_tick > get_ticks());
480 if (!(rstctl & SRDS_RSTCTL_RSTDONE))
481 printf("SERDES: timeout resetting bank %u\n", bank + 1);
485 static void __soc_serdes_init(void)
487 /* Allow for SoC-specific initialization in <SOC>_serdes.c */
489 void soc_serdes_init(void) __attribute__((weak, alias("__soc_serdes_init")));
491 void fsl_serdes_init(void)
493 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
495 serdes_corenet_t *srds_regs;
496 #ifdef CONFIG_ARCH_P5040
497 serdes_corenet_t *srds2_regs;
500 int have_bank[SRDS_MAX_BANK] = {};
501 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
502 u32 serdes8_devdisr = 0;
503 u32 serdes8_devdisr2 = 0;
504 char srds_lpd_opt[16];
505 const char *srds_lpd_arg;
508 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A001
509 int need_serdes_a001; /* true == need work-around for SERDES A001 */
511 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
512 char buffer[HWCONFIG_BUFFER_SIZE];
516 * Extract hwconfig from environment since we have not properly setup
517 * the environment but need it for ddr config params
519 if (env_get_f("hwconfig", buffer, sizeof(buffer)) > 0)
522 if (serdes_prtcl_map & (1 << NONE))
525 /* Is serdes enabled at all? */
526 if (!(in_be32(&gur->rcwsr[5]) & FSL_CORENET_RCWSR5_SRDS_EN))
529 srds_regs = (void *)(CONFIG_SYS_FSL_CORENET_SERDES_ADDR);
530 cfg = (in_be32(&gur->rcwsr[4]) & FSL_CORENET_RCWSR4_SRDS_PRTCL) >> 26;
531 debug("Using SERDES configuration 0x%x, lane settings:\n", cfg);
533 if (!is_serdes_prtcl_valid(cfg)) {
534 printf("SERDES[PRTCL] = 0x%x is not valid\n", cfg);
538 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
540 * Display a warning if banks two and three are not disabled in the RCW,
541 * since our work-around for SERDES8 depends on these banks being
542 * disabled at power-on.
544 #define B2_B3 (FSL_CORENET_RCWSRn_SRDS_LPD_B2 | FSL_CORENET_RCWSRn_SRDS_LPD_B3)
545 if ((in_be32(&gur->rcwsr[5]) & B2_B3) != B2_B3) {
546 printf("Warning: SERDES8 requires banks two and "
547 "three to be disabled in the RCW\n");
551 * Store the values of the fsl_srds_lpd_b2 and fsl_srds_lpd_b3
552 * hwconfig options into the srds_lpd_b[] array. See README.p4080ds
553 * for a description of these options.
555 for (bank = 1; bank < ARRAY_SIZE(srds_lpd_b); bank++) {
556 sprintf(srds_lpd_opt, "fsl_srds_lpd_b%u", bank + 1);
558 hwconfig_subarg_f("serdes", srds_lpd_opt, &arglen, buf);
561 simple_strtoul(srds_lpd_arg, NULL, 0) & 0xf;
564 if ((cfg == 0xf) || (cfg == 0x10)) {
566 * For SERDES protocols 0xF and 0x10, force bank 3 to be
567 * disabled, because it is not supported.
569 srds_lpd_b[FSL_SRDS_BANK_3] = 0xF;
573 /* Look for banks with all lanes disabled, and power down the bank. */
574 for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
575 enum srds_prtcl lane_prtcl = serdes_get_prtcl(cfg, lane);
576 if (serdes_lane_enabled(lane)) {
577 have_bank[serdes_get_bank_by_lane(lane)] = 1;
578 serdes_prtcl_map |= (1 << lane_prtcl);
582 #ifdef CONFIG_ARCH_P5040
584 * Lanes on bank 4 on P5040 are commented-out, but for some SERDES
585 * protocols, these lanes are routed to SATA. We use serdes_prtcl_map
586 * to decide whether a protocol is supported on a given lane, so SATA
587 * will be identified as not supported, and therefore not initialized.
588 * So for protocols which use SATA on bank4, we add SATA support in
600 serdes_prtcl_map |= 1 << SATA1 | 1 << SATA2;
603 srds2_regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES2_ADDR;
605 /* We don't need bank 4, so power it down */
606 setbits_be32(&srds2_regs->bank[0].rstctl, SRDS_RSTCTL_SDPD);
612 /* Set the first bit to indicate serdes has been initialized */
613 serdes_prtcl_map |= (1 << NONE);
615 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
617 * Bank two uses the clock from bank three, so if bank two is enabled,
618 * then bank three must also be enabled.
620 if (have_bank[FSL_SRDS_BANK_2])
621 have_bank[FSL_SRDS_BANK_3] = 1;
624 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A001
626 * The work-aroud for erratum SERDES-A001 is needed only if bank two
627 * is disabled and bank three is enabled. The converse is also true,
628 * but SERDES8 ensures that bank 3 is always enabled if bank 2 is
629 * enabled, so there's no point in complicating the code to handle
633 !have_bank[FSL_SRDS_BANK_2] && have_bank[FSL_SRDS_BANK_3];
636 /* Power down the banks we're not interested in */
637 for (bank = 0; bank < SRDS_MAX_BANK; bank++) {
638 if (!have_bank[bank]) {
639 printf("SERDES: bank %d disabled\n", bank + 1);
640 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A001
642 * Erratum SERDES-A001 says bank two needs to be powered
643 * down after bank three is powered up, so don't power
644 * down bank two here.
646 if (!need_serdes_a001 || (bank != FSL_SRDS_BANK_2))
647 setbits_be32(&srds_regs->bank[bank].rstctl,
650 setbits_be32(&srds_regs->bank[bank].rstctl,
656 #ifdef CONFIG_SYS_FSL_ERRATUM_A004699
658 * To avoid the situation that resulted in the P4080 erratum
659 * SERDES-8, a given SerDes bank will use the PLLs from the previous
660 * bank if one of the PLL frequencies is a multiple of the other. For
661 * instance, if bank 3 is running at 2.5GHz and bank 2 is at 1.25GHz,
662 * then bank 3 will use bank 2's PLL. P5040 Erratum A-004699 says
663 * that, in this situation, lane synchronization is not initiated. So
664 * when we detect a bank with a "borrowed" PLL, we have to manually
665 * initiate lane synchronization.
667 for (bank = FSL_SRDS_BANK_2; bank <= FSL_SRDS_BANK_3; bank++) {
668 /* Determine the first lane for this bank */
671 for (lane = 0; lane < SRDS_MAX_LANES; lane++)
672 if (lanes[lane].bank == bank)
674 idx = lanes[lane].idx;
677 * Check if the PLL for the bank is borrowed. The UOTHL
678 * bit of the first lane will tell us that.
680 if (in_be32(&srds_regs->lane[idx].gcr0) & SRDS_GCR0_UOTHL) {
681 /* Manually start lane synchronization */
682 setbits_be32(&srds_regs->bank[bank].pllcr0,
683 SRDS_PLLCR0_PVCOCNT_EN);
688 #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES8) || defined (CONFIG_SYS_P4080_ERRATUM_SERDES9)
689 for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
690 enum srds_prtcl lane_prtcl;
692 idx = serdes_get_lane_idx(lane);
693 lane_prtcl = serdes_get_prtcl(cfg, lane);
710 printf("%s ", serdes_prtcl_str[lane_prtcl]);
713 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES9
715 * Set BnTTLCRy0[FLT_SEL] = 011011 and set BnTTLCRy0[31] = 1
716 * for each of the SerDes lanes selected as SGMII, XAUI, SRIO,
717 * or AURORA before the device is initialized.
719 * Note that this part of the SERDES-9 work-around is
720 * redundant if the work-around for A-4580 has already been
723 switch (lane_prtcl) {
724 case SGMII_FM1_DTSEC1:
725 case SGMII_FM1_DTSEC2:
726 case SGMII_FM1_DTSEC3:
727 case SGMII_FM1_DTSEC4:
728 case SGMII_FM2_DTSEC1:
729 case SGMII_FM2_DTSEC2:
730 case SGMII_FM2_DTSEC3:
731 case SGMII_FM2_DTSEC4:
732 case SGMII_FM2_DTSEC5:
738 out_be32(&srds_regs->lane[idx].ttlcr0,
739 SRDS_TTLCR0_FLT_SEL_KFR_26 |
740 SRDS_TTLCR0_FLT_SEL_KPH_28 |
741 SRDS_TTLCR0_FLT_SEL_750PPM |
742 SRDS_TTLCR0_FREQOVD_EN);
749 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
750 switch (lane_prtcl) {
754 serdes8_devdisr |= FSL_CORENET_DEVDISR_PCIE1 >>
755 (lane_prtcl - PCIE1);
759 serdes8_devdisr |= FSL_CORENET_DEVDISR_SRIO1 >>
760 (lane_prtcl - SRIO1);
762 case SGMII_FM1_DTSEC1:
763 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM1 |
764 FSL_CORENET_DEVDISR2_DTSEC1_1;
766 case SGMII_FM1_DTSEC2:
767 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM1 |
768 FSL_CORENET_DEVDISR2_DTSEC1_2;
770 case SGMII_FM1_DTSEC3:
771 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM1 |
772 FSL_CORENET_DEVDISR2_DTSEC1_3;
774 case SGMII_FM1_DTSEC4:
775 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM1 |
776 FSL_CORENET_DEVDISR2_DTSEC1_4;
778 case SGMII_FM2_DTSEC1:
779 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM2 |
780 FSL_CORENET_DEVDISR2_DTSEC2_1;
782 case SGMII_FM2_DTSEC2:
783 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM2 |
784 FSL_CORENET_DEVDISR2_DTSEC2_2;
786 case SGMII_FM2_DTSEC3:
787 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM2 |
788 FSL_CORENET_DEVDISR2_DTSEC2_3;
790 case SGMII_FM2_DTSEC4:
791 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM2 |
792 FSL_CORENET_DEVDISR2_DTSEC2_4;
794 case SGMII_FM2_DTSEC5:
795 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM2 |
796 FSL_CORENET_DEVDISR2_DTSEC2_5;
799 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM1 |
800 FSL_CORENET_DEVDISR2_10GEC1;
803 serdes8_devdisr2 |= FSL_CORENET_DEVDISR2_FM2 |
804 FSL_CORENET_DEVDISR2_10GEC2;
820 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A005
821 p4080_erratum_serdes_a005(srds_regs, cfg);
824 for (idx = 0; idx < SRDS_MAX_BANK; idx++) {
827 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
829 * Change bank init order to 0, 2, 1, so that the third bank's
830 * PLL is established before we start the second bank. The
831 * second bank uses the third bank's PLL.
835 bank = FSL_SRDS_BANK_3;
837 bank = FSL_SRDS_BANK_2;
840 /* Skip disabled banks */
841 if (!have_bank[bank])
844 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
847 * Re-enable devices on banks two and three that were
848 * disabled by the RCW, and then enable bank three. The
849 * devices need to be enabled before either bank is
852 p4080_erratum_serdes8(srds_regs, gur, serdes8_devdisr,
853 serdes8_devdisr2, cfg);
854 } else if (idx == 2) {
855 /* Enable bank two now that bank three is enabled. */
856 enable_bank(gur, FSL_SRDS_BANK_2);
860 wait_for_rstdone(bank);
863 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A001
864 if (need_serdes_a001) {
865 /* Bank 3 has been enabled, so now we can disable bank 2 */
866 setbits_be32(&srds_regs->bank[FSL_SRDS_BANK_2].rstctl,
872 const char *serdes_clock_to_string(u32 clock)
875 case SRDS_PLLCR0_RFCK_SEL_100:
877 case SRDS_PLLCR0_RFCK_SEL_125:
879 case SRDS_PLLCR0_RFCK_SEL_156_25:
881 case SRDS_PLLCR0_RFCK_SEL_161_13:
882 return "161.1328123";