1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2004,2007-2011 Freescale Semiconductor, Inc.
4 * (C) Copyright 2002, 2003 Motorola Inc.
5 * Xianghua Xiao (X.Xiao@motorola.com)
8 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
17 #include <fsl_esdhc.h>
18 #include <asm/cache.h>
22 #include <asm/fsl_law.h>
23 #include <asm/fsl_lbc.h>
25 #include <asm/processor.h>
26 #include <fsl_ddr_sdram.h>
29 DECLARE_GLOBAL_DATA_PTR;
32 * Default board reset function
39 void board_reset(void) __attribute__((weak, alias("__board_reset")));
48 char buf1[32], buf2[32];
49 #if defined(CONFIG_DDR_CLK_FREQ) || defined(CONFIG_FSL_CORENET)
50 ccsr_gur_t __iomem *gur =
51 (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
55 * Cornet platforms use ddr sync bit in RCW to indicate sync vs async
56 * mode. Previous platform use ddr ratio to do the same. This
57 * information is only for display here.
59 #ifdef CONFIG_FSL_CORENET
60 #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
61 u32 ddr_sync = 0; /* only async mode is supported */
63 u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC)
64 >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT;
65 #endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */
66 #else /* CONFIG_FSL_CORENET */
67 #ifdef CONFIG_DDR_CLK_FREQ
68 u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO)
69 >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
72 #endif /* CONFIG_DDR_CLK_FREQ */
73 #endif /* CONFIG_FSL_CORENET */
75 unsigned int i, core, nr_cores = cpu_numcores();
76 u32 mask = cpu_mask();
78 #ifdef CONFIG_HETROGENOUS_CLUSTERS
79 unsigned int j, dsp_core, dsp_numcores = cpu_num_dspcores();
80 u32 dsp_mask = cpu_dsp_mask();
87 #if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
88 if (SVR_SOC_VER(svr) == SVR_T4080) {
90 (void __iomem *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR);
92 setbits_be32(&gur->devdisr2, FSL_CORENET_DEVDISR2_DTSEC1_6 ||
93 FSL_CORENET_DEVDISR2_DTSEC1_9);
94 setbits_be32(&gur->devdisr3, FSL_CORENET_DEVDISR3_PCIE3);
95 setbits_be32(&gur->devdisr5, FSL_CORENET_DEVDISR5_DDR3);
97 /* It needs SW to disable core4~7 as HW design sake on T4080 */
98 for (i = 4; i < 8; i++)
101 /* request core4~7 into PH20 state, prior to entering PCL10
102 * state, all cores in cluster should be placed in PH20 state.
104 setbits_be32(&rcpm->pcph20setr, 0xf0);
106 /* put the 2nd cluster into PCL10 state */
107 setbits_be32(&rcpm->clpcl10setr, 1 << 1);
111 if (cpu_numcores() > 1) {
113 puts("Unicore software on multiprocessor system!!\n"
114 "To enable mutlticore build define CONFIG_MP\n");
116 volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR);
117 printf("CPU%d: ", pic->whoami);
125 if (IS_E_PROCESSOR(svr))
128 printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
132 major = PVR_MAJ(pvr);
133 minor = PVR_MIN(pvr);
137 case PVR_VER_E500_V1:
138 case PVR_VER_E500_V2:
155 printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
157 if (nr_cores > CONFIG_MAX_CPUS) {
158 panic("\nUnexpected number of cores: %d, max is %d\n",
159 nr_cores, CONFIG_MAX_CPUS);
162 get_sys_info(&sysinfo);
164 #ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
165 if (sysinfo.diff_sysclk == 1)
166 puts("Single Source Clock Configuration\n");
169 puts("Clock Configuration:");
170 for_each_cpu(i, core, nr_cores, mask) {
173 printf("CPU%d:%-4s MHz, ", core,
174 strmhz(buf1, sysinfo.freq_processor[core]));
177 #ifdef CONFIG_HETROGENOUS_CLUSTERS
178 for_each_cpu(j, dsp_core, dsp_numcores, dsp_mask) {
181 printf("DSP CPU%d:%-4s MHz, ", j,
182 strmhz(buf1, sysinfo.freq_processor_dsp[dsp_core]));
186 printf("\n CCB:%-4s MHz,", strmhz(buf1, sysinfo.freq_systembus));
189 #ifdef CONFIG_FSL_CORENET
191 printf(" DDR:%-4s MHz (%s MT/s data rate) "
193 strmhz(buf1, sysinfo.freq_ddrbus/2),
194 strmhz(buf2, sysinfo.freq_ddrbus));
196 printf(" DDR:%-4s MHz (%s MT/s data rate) "
198 strmhz(buf1, sysinfo.freq_ddrbus/2),
199 strmhz(buf2, sysinfo.freq_ddrbus));
204 printf(" DDR:%-4s MHz (%s MT/s data rate), ",
205 strmhz(buf1, sysinfo.freq_ddrbus/2),
206 strmhz(buf2, sysinfo.freq_ddrbus));
209 printf(" DDR:%-4s MHz (%s MT/s data rate) "
211 strmhz(buf1, sysinfo.freq_ddrbus/2),
212 strmhz(buf2, sysinfo.freq_ddrbus));
215 printf(" DDR:%-4s MHz (%s MT/s data rate) "
217 strmhz(buf1, sysinfo.freq_ddrbus/2),
218 strmhz(buf2, sysinfo.freq_ddrbus));
223 #if defined(CONFIG_FSL_LBC)
224 if (sysinfo.freq_localbus > LCRR_CLKDIV) {
225 printf("LBC:%-4s MHz\n", strmhz(buf1, sysinfo.freq_localbus));
227 printf("LBC: unknown (LCRR[CLKDIV] = 0x%02lx)\n",
228 sysinfo.freq_localbus);
232 #if defined(CONFIG_FSL_IFC)
233 printf("IFC:%-4s MHz\n", strmhz(buf1, sysinfo.freq_localbus));
237 printf("CPM: %s MHz\n", strmhz(buf1, sysinfo.freq_systembus));
241 printf(" QE:%-4s MHz\n", strmhz(buf1, sysinfo.freq_qe));
244 #if defined(CONFIG_SYS_CPRI)
246 printf("CPRI:%-4s MHz", strmhz(buf1, sysinfo.freq_cpri));
249 #if defined(CONFIG_SYS_MAPLE)
251 printf("MAPLE:%-4s MHz, ", strmhz(buf1, sysinfo.freq_maple));
252 printf("MAPLE-ULB:%-4s MHz, ", strmhz(buf1, sysinfo.freq_maple_ulb));
253 printf("MAPLE-eTVPE:%-4s MHz\n",
254 strmhz(buf1, sysinfo.freq_maple_etvpe));
257 #ifdef CONFIG_SYS_DPAA_FMAN
258 for (i = 0; i < CONFIG_SYS_NUM_FMAN; i++) {
259 printf(" FMAN%d: %s MHz\n", i + 1,
260 strmhz(buf1, sysinfo.freq_fman[i]));
264 #ifdef CONFIG_SYS_DPAA_QBMAN
265 printf(" QMAN: %s MHz\n", strmhz(buf1, sysinfo.freq_qman));
268 #ifdef CONFIG_SYS_DPAA_PME
269 printf(" PME: %s MHz\n", strmhz(buf1, sysinfo.freq_pme));
272 puts("L1: D-cache 32 KiB enabled\n I-cache 32 KiB enabled\n");
274 #ifdef CONFIG_FSL_CORENET
275 /* Display the RCW, so that no one gets confused as to what RCW
276 * we're actually using for this boot.
278 puts("Reset Configuration Word (RCW):");
279 for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) {
280 u32 rcw = in_be32(&gur->rcwsr[i]);
283 printf("\n %08x:", i * 4);
284 printf(" %08x", rcw);
293 /* ------------------------------------------------------------------------- */
295 int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
297 /* Everything after the first generation of PQ3 parts has RSTCR */
298 #if defined(CONFIG_ARCH_MPC8540) || defined(CONFIG_ARCH_MPC8541) || \
299 defined(CONFIG_ARCH_MPC8555) || defined(CONFIG_ARCH_MPC8560)
300 unsigned long val, msr;
303 * Initiate hard reset in debug control register DBCR0
304 * Make sure MSR[DE] = 1. This only resets the core.
314 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
316 /* Attempt board-specific reset */
319 /* Next try asserting HRESET_REQ */
320 out_be32(&gur->rstcr, 0x2);
329 * Get timebase clock frequency
331 #ifndef CONFIG_SYS_FSL_TBCLK_DIV
332 #define CONFIG_SYS_FSL_TBCLK_DIV 8
334 __weak unsigned long get_tbclk (void)
336 unsigned long tbclk_div = CONFIG_SYS_FSL_TBCLK_DIV;
338 return (gd->bus_clk + (tbclk_div >> 1)) / tbclk_div;
342 #if defined(CONFIG_WATCHDOG)
343 #define WATCHDOG_MASK (TCR_WP(63) | TCR_WRC(3) | TCR_WIE)
345 init_85xx_watchdog(void)
347 mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WATCHDOG_MASK) |
348 TCR_WP(CONFIG_WATCHDOG_PRESC) | TCR_WRC(CONFIG_WATCHDOG_RC));
352 reset_85xx_watchdog(void)
355 * Clear TSR(WIS) bit by writing 1
357 mtspr(SPRN_TSR, TSR_WIS);
363 int re_enable = disable_interrupts();
365 reset_85xx_watchdog();
369 #endif /* CONFIG_WATCHDOG */
372 * Initializes on-chip MMC controllers.
373 * to override, implement board_mmc_init()
375 int cpu_mmc_init(bd_t *bis)
377 #ifdef CONFIG_FSL_ESDHC
378 return fsl_esdhc_mmc_init(bis);
385 * Print out the state of various machine registers.
386 * Currently prints out LAWs, BR0/OR0 for LBC, CSPR/CSOR/Timing
387 * parameters for IFC and TLBs
389 void print_reginfo(void)
393 #if defined(CONFIG_FSL_LBC)
396 #ifdef CONFIG_FSL_IFC
402 /* Common ddr init for non-corenet fsl 85xx platforms */
403 #ifndef CONFIG_FSL_CORENET
404 #if (defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)) && \
405 !defined(CONFIG_SYS_INIT_L2_ADDR)
408 #if defined(CONFIG_SPD_EEPROM) || defined(CONFIG_DDR_SPD) || \
409 defined(CONFIG_ARCH_QEMU_E500)
410 gd->ram_size = fsl_ddr_sdram_size();
412 gd->ram_size = (phys_size_t)CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
417 #else /* CONFIG_SYS_RAMBOOT */
420 phys_size_t dram_size = 0;
422 #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN)
424 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
429 * Work around to stabilize DDR DLL
431 out_be32(&gur->ddrdllcr, 0x81000000);
432 asm("sync;isync;msync");
434 while (in_be32(&gur->ddrdllcr) != 0x81000100) {
435 setbits_be32(&gur->devdisr, 0x00010000);
436 for (i = 0; i < x; i++)
438 clrbits_be32(&gur->devdisr, 0x00010000);
444 #if defined(CONFIG_SPD_EEPROM) || \
445 defined(CONFIG_DDR_SPD) || \
446 defined(CONFIG_SYS_DDR_RAW_TIMING)
447 dram_size = fsl_ddr_sdram();
449 dram_size = fixed_sdram();
451 dram_size = setup_ddr_tlbs(dram_size / 0x100000);
452 dram_size *= 0x100000;
454 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
456 * Initialize and enable DDR ECC.
458 ddr_enable_ecc(dram_size);
461 #if defined(CONFIG_FSL_LBC)
462 /* Some boards also have sdram on the lbc */
467 gd->ram_size = dram_size;
471 #endif /* CONFIG_SYS_RAMBOOT */
474 #if CONFIG_POST & CONFIG_SYS_POST_MEMORY
476 /* Board-specific functions defined in each board's ddr.c */
477 void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
478 unsigned int ctrl_num, unsigned int dimm_slots_per_ctrl);
479 void read_tlbcam_entry(int idx, u32 *valid, u32 *tsize, unsigned long *epn,
482 setup_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
484 void clear_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
486 static void dump_spd_ddr_reg(void)
491 struct ccsr_ddr __iomem *ddr[CONFIG_SYS_NUM_DDR_CTLRS];
493 spd[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_DIMM_SLOTS_PER_CTLR];
495 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++)
496 fsl_ddr_get_spd(spd[i], i, CONFIG_DIMM_SLOTS_PER_CTLR);
498 puts("SPD data of all dimms (zero value is omitted)...\n");
501 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
502 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++)
503 printf("Dimm%d ", k++);
506 for (k = 0; k < sizeof(generic_spd_eeprom_t); k++) {
508 printf("%3d (0x%02x) ", k, k);
509 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
510 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
511 p_8 = (u8 *) &spd[i][j];
513 printf("0x%02x ", p_8[k]);
525 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
528 ddr[i] = (void *)CONFIG_SYS_FSL_DDR_ADDR;
530 #if defined(CONFIG_SYS_FSL_DDR2_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 1)
532 ddr[i] = (void *)CONFIG_SYS_FSL_DDR2_ADDR;
535 #if defined(CONFIG_SYS_FSL_DDR3_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 2)
537 ddr[i] = (void *)CONFIG_SYS_FSL_DDR3_ADDR;
540 #if defined(CONFIG_SYS_FSL_DDR4_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 3)
542 ddr[i] = (void *)CONFIG_SYS_FSL_DDR4_ADDR;
546 printf("%s unexpected controller number = %u\n",
551 printf("DDR registers dump for all controllers "
552 "(zero value is omitted)...\n");
553 puts("Offset (hex) ");
554 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++)
555 printf(" Base + 0x%04x", (u32)ddr[i] & 0xFFFF);
557 for (k = 0; k < sizeof(struct ccsr_ddr)/4; k++) {
559 printf("%6d (0x%04x)", k * 4, k * 4);
560 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
561 p_32 = (u32 *) ddr[i];
563 printf(" 0x%08x", p_32[k]);
576 /* invalid the TLBs for DDR and setup new ones to cover p_addr */
577 static int reset_tlb(phys_addr_t p_addr, u32 size, phys_addr_t *phys_offset)
579 u32 vstart = CONFIG_SYS_DDR_SDRAM_BASE;
581 u32 tsize, valid, ptr;
584 clear_ddr_tlbs_phys(p_addr, size>>20);
586 /* Setup new tlb to cover the physical address */
587 setup_ddr_tlbs_phys(p_addr, size>>20);
590 ddr_esel = find_tlb_idx((void *)ptr, 1);
591 if (ddr_esel != -1) {
592 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, phys_offset);
594 printf("TLB error in function %s\n", __func__);
602 * slide the testing window up to test another area
603 * for 32_bit system, the maximum testable memory is limited to
604 * CONFIG_MAX_MEM_MAPPED
606 int arch_memory_test_advance(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
608 phys_addr_t test_cap, p_addr;
609 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
611 #if !defined(CONFIG_PHYS_64BIT) || \
612 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
613 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
616 test_cap = gd->ram_size;
618 p_addr = (*vstart) + (*size) + (*phys_offset);
619 if (p_addr < test_cap - 1) {
620 p_size = min(test_cap - p_addr, CONFIG_MAX_MEM_MAPPED);
621 if (reset_tlb(p_addr, p_size, phys_offset) == -1)
623 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
624 *size = (u32) p_size;
625 printf("Testing 0x%08llx - 0x%08llx\n",
626 (u64)(*vstart) + (*phys_offset),
627 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
634 /* initialization for testing area */
635 int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
637 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
639 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
640 *size = (u32) p_size; /* CONFIG_MAX_MEM_MAPPED < 4G */
643 #if !defined(CONFIG_PHYS_64BIT) || \
644 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
645 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
646 if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) {
647 puts("Cannot test more than ");
648 print_size(CONFIG_MAX_MEM_MAPPED,
649 " without proper 36BIT support.\n");
652 printf("Testing 0x%08llx - 0x%08llx\n",
653 (u64)(*vstart) + (*phys_offset),
654 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
659 /* invalid TLBs for DDR and remap as normal after testing */
660 int arch_memory_test_cleanup(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
663 u32 tsize, valid, ptr;
667 /* disable the TLBs for this testing */
670 while (ptr < (*vstart) + (*size)) {
671 ddr_esel = find_tlb_idx((void *)ptr, 1);
672 if (ddr_esel != -1) {
673 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn);
674 disable_tlb(ddr_esel);
676 ptr += TSIZE_TO_BYTES(tsize);
680 setup_ddr_tlbs(gd->ram_size>>20);
686 void arch_memory_failure_handle(void)