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.
19 #include <fsl_esdhc.h>
20 #include <asm/cache.h>
24 #include <asm/fsl_law.h>
25 #include <asm/fsl_lbc.h>
27 #include <asm/processor.h>
28 #include <fsl_ddr_sdram.h>
31 DECLARE_GLOBAL_DATA_PTR;
34 * Default board reset function
41 void board_reset(void) __attribute__((weak, alias("__board_reset")));
50 char buf1[32], buf2[32];
51 #if defined(CONFIG_DDR_CLK_FREQ) || defined(CONFIG_FSL_CORENET)
52 ccsr_gur_t __iomem *gur =
53 (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
57 * Cornet platforms use ddr sync bit in RCW to indicate sync vs async
58 * mode. Previous platform use ddr ratio to do the same. This
59 * information is only for display here.
61 #ifdef CONFIG_FSL_CORENET
62 #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
63 u32 ddr_sync = 0; /* only async mode is supported */
65 u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC)
66 >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT;
67 #endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */
68 #else /* CONFIG_FSL_CORENET */
69 #ifdef CONFIG_DDR_CLK_FREQ
70 u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO)
71 >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
74 #endif /* CONFIG_DDR_CLK_FREQ */
75 #endif /* CONFIG_FSL_CORENET */
77 unsigned int i, core, nr_cores = cpu_numcores();
78 u32 mask = cpu_mask();
80 #ifdef CONFIG_HETROGENOUS_CLUSTERS
81 unsigned int j, dsp_core, dsp_numcores = cpu_num_dspcores();
82 u32 dsp_mask = cpu_dsp_mask();
89 #if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
90 if (SVR_SOC_VER(svr) == SVR_T4080) {
92 (void __iomem *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR);
94 setbits_be32(&gur->devdisr2, FSL_CORENET_DEVDISR2_DTSEC1_6 ||
95 FSL_CORENET_DEVDISR2_DTSEC1_9);
96 setbits_be32(&gur->devdisr3, FSL_CORENET_DEVDISR3_PCIE3);
97 setbits_be32(&gur->devdisr5, FSL_CORENET_DEVDISR5_DDR3);
99 /* It needs SW to disable core4~7 as HW design sake on T4080 */
100 for (i = 4; i < 8; i++)
103 /* request core4~7 into PH20 state, prior to entering PCL10
104 * state, all cores in cluster should be placed in PH20 state.
106 setbits_be32(&rcpm->pcph20setr, 0xf0);
108 /* put the 2nd cluster into PCL10 state */
109 setbits_be32(&rcpm->clpcl10setr, 1 << 1);
113 if (cpu_numcores() > 1) {
115 puts("Unicore software on multiprocessor system!!\n"
116 "To enable mutlticore build define CONFIG_MP\n");
118 volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR);
119 printf("CPU%d: ", pic->whoami);
127 if (IS_E_PROCESSOR(svr))
130 printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
134 major = PVR_MAJ(pvr);
135 minor = PVR_MIN(pvr);
139 case PVR_VER_E500_V1:
140 case PVR_VER_E500_V2:
157 printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
159 if (nr_cores > CONFIG_MAX_CPUS) {
160 panic("\nUnexpected number of cores: %d, max is %d\n",
161 nr_cores, CONFIG_MAX_CPUS);
164 get_sys_info(&sysinfo);
166 #ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
167 if (sysinfo.diff_sysclk == 1)
168 puts("Single Source Clock Configuration\n");
171 puts("Clock Configuration:");
172 for_each_cpu(i, core, nr_cores, mask) {
175 printf("CPU%d:%-4s MHz, ", core,
176 strmhz(buf1, sysinfo.freq_processor[core]));
179 #ifdef CONFIG_HETROGENOUS_CLUSTERS
180 for_each_cpu(j, dsp_core, dsp_numcores, dsp_mask) {
183 printf("DSP CPU%d:%-4s MHz, ", j,
184 strmhz(buf1, sysinfo.freq_processor_dsp[dsp_core]));
188 printf("\n CCB:%-4s MHz,", strmhz(buf1, sysinfo.freq_systembus));
191 #ifdef CONFIG_FSL_CORENET
193 printf(" DDR:%-4s MHz (%s MT/s data rate) "
195 strmhz(buf1, sysinfo.freq_ddrbus/2),
196 strmhz(buf2, sysinfo.freq_ddrbus));
198 printf(" DDR:%-4s MHz (%s MT/s data rate) "
200 strmhz(buf1, sysinfo.freq_ddrbus/2),
201 strmhz(buf2, sysinfo.freq_ddrbus));
206 printf(" DDR:%-4s MHz (%s MT/s data rate), ",
207 strmhz(buf1, sysinfo.freq_ddrbus/2),
208 strmhz(buf2, sysinfo.freq_ddrbus));
211 printf(" DDR:%-4s MHz (%s MT/s data rate) "
213 strmhz(buf1, sysinfo.freq_ddrbus/2),
214 strmhz(buf2, sysinfo.freq_ddrbus));
217 printf(" DDR:%-4s MHz (%s MT/s data rate) "
219 strmhz(buf1, sysinfo.freq_ddrbus/2),
220 strmhz(buf2, sysinfo.freq_ddrbus));
225 #if defined(CONFIG_FSL_LBC)
226 if (sysinfo.freq_localbus > LCRR_CLKDIV) {
227 printf("LBC:%-4s MHz\n", strmhz(buf1, sysinfo.freq_localbus));
229 printf("LBC: unknown (LCRR[CLKDIV] = 0x%02lx)\n",
230 sysinfo.freq_localbus);
234 #if defined(CONFIG_FSL_IFC)
235 printf("IFC:%-4s MHz\n", strmhz(buf1, sysinfo.freq_localbus));
239 printf("CPM: %s MHz\n", strmhz(buf1, sysinfo.freq_systembus));
243 printf(" QE:%-4s MHz\n", strmhz(buf1, sysinfo.freq_qe));
246 #if defined(CONFIG_SYS_CPRI)
248 printf("CPRI:%-4s MHz", strmhz(buf1, sysinfo.freq_cpri));
251 #if defined(CONFIG_SYS_MAPLE)
253 printf("MAPLE:%-4s MHz, ", strmhz(buf1, sysinfo.freq_maple));
254 printf("MAPLE-ULB:%-4s MHz, ", strmhz(buf1, sysinfo.freq_maple_ulb));
255 printf("MAPLE-eTVPE:%-4s MHz\n",
256 strmhz(buf1, sysinfo.freq_maple_etvpe));
259 #ifdef CONFIG_SYS_DPAA_FMAN
260 for (i = 0; i < CONFIG_SYS_NUM_FMAN; i++) {
261 printf(" FMAN%d: %s MHz\n", i + 1,
262 strmhz(buf1, sysinfo.freq_fman[i]));
266 #ifdef CONFIG_SYS_DPAA_QBMAN
267 printf(" QMAN: %s MHz\n", strmhz(buf1, sysinfo.freq_qman));
270 #ifdef CONFIG_SYS_DPAA_PME
271 printf(" PME: %s MHz\n", strmhz(buf1, sysinfo.freq_pme));
274 puts("L1: D-cache 32 KiB enabled\n I-cache 32 KiB enabled\n");
276 #ifdef CONFIG_FSL_CORENET
277 /* Display the RCW, so that no one gets confused as to what RCW
278 * we're actually using for this boot.
280 puts("Reset Configuration Word (RCW):");
281 for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) {
282 u32 rcw = in_be32(&gur->rcwsr[i]);
285 printf("\n %08x:", i * 4);
286 printf(" %08x", rcw);
295 /* ------------------------------------------------------------------------- */
297 int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
299 /* Everything after the first generation of PQ3 parts has RSTCR */
300 #if defined(CONFIG_ARCH_MPC8540) || defined(CONFIG_ARCH_MPC8541) || \
301 defined(CONFIG_ARCH_MPC8555) || defined(CONFIG_ARCH_MPC8560)
302 unsigned long val, msr;
305 * Initiate hard reset in debug control register DBCR0
306 * Make sure MSR[DE] = 1. This only resets the core.
316 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
318 /* Attempt board-specific reset */
321 /* Next try asserting HRESET_REQ */
322 out_be32(&gur->rstcr, 0x2);
331 * Get timebase clock frequency
333 #ifndef CONFIG_SYS_FSL_TBCLK_DIV
334 #define CONFIG_SYS_FSL_TBCLK_DIV 8
336 __weak unsigned long get_tbclk(void)
338 unsigned long tbclk_div = CONFIG_SYS_FSL_TBCLK_DIV;
340 return (gd->bus_clk + (tbclk_div >> 1)) / tbclk_div;
344 #if defined(CONFIG_WATCHDOG)
345 #define WATCHDOG_MASK (TCR_WP(63) | TCR_WRC(3) | TCR_WIE)
347 init_85xx_watchdog(void)
349 mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WATCHDOG_MASK) |
350 TCR_WP(CONFIG_WATCHDOG_PRESC) | TCR_WRC(CONFIG_WATCHDOG_RC));
354 reset_85xx_watchdog(void)
357 * Clear TSR(WIS) bit by writing 1
359 mtspr(SPRN_TSR, TSR_WIS);
365 int re_enable = disable_interrupts();
367 reset_85xx_watchdog();
371 #endif /* CONFIG_WATCHDOG */
374 * Initializes on-chip MMC controllers.
375 * to override, implement board_mmc_init()
377 int cpu_mmc_init(bd_t *bis)
379 #ifdef CONFIG_FSL_ESDHC
380 return fsl_esdhc_mmc_init(bis);
387 * Print out the state of various machine registers.
388 * Currently prints out LAWs, BR0/OR0 for LBC, CSPR/CSOR/Timing
389 * parameters for IFC and TLBs
391 void print_reginfo(void)
395 #if defined(CONFIG_FSL_LBC)
398 #ifdef CONFIG_FSL_IFC
404 /* Common ddr init for non-corenet fsl 85xx platforms */
405 #ifndef CONFIG_FSL_CORENET
406 #if (defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)) && \
407 !defined(CONFIG_SYS_INIT_L2_ADDR)
410 #if defined(CONFIG_SPD_EEPROM) || defined(CONFIG_DDR_SPD) || \
411 defined(CONFIG_ARCH_QEMU_E500)
412 gd->ram_size = fsl_ddr_sdram_size();
414 gd->ram_size = (phys_size_t)CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
419 #else /* CONFIG_SYS_RAMBOOT */
422 phys_size_t dram_size = 0;
424 #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN)
426 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
431 * Work around to stabilize DDR DLL
433 out_be32(&gur->ddrdllcr, 0x81000000);
434 asm("sync;isync;msync");
436 while (in_be32(&gur->ddrdllcr) != 0x81000100) {
437 setbits_be32(&gur->devdisr, 0x00010000);
438 for (i = 0; i < x; i++)
440 clrbits_be32(&gur->devdisr, 0x00010000);
446 #if defined(CONFIG_SPD_EEPROM) || \
447 defined(CONFIG_DDR_SPD) || \
448 defined(CONFIG_SYS_DDR_RAW_TIMING)
449 dram_size = fsl_ddr_sdram();
451 dram_size = fixed_sdram();
453 dram_size = setup_ddr_tlbs(dram_size / 0x100000);
454 dram_size *= 0x100000;
456 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
458 * Initialize and enable DDR ECC.
460 ddr_enable_ecc(dram_size);
463 #if defined(CONFIG_FSL_LBC)
464 /* Some boards also have sdram on the lbc */
469 gd->ram_size = dram_size;
473 #endif /* CONFIG_SYS_RAMBOOT */
476 #if CONFIG_POST & CONFIG_SYS_POST_MEMORY
478 /* Board-specific functions defined in each board's ddr.c */
479 void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
480 unsigned int ctrl_num, unsigned int dimm_slots_per_ctrl);
481 void read_tlbcam_entry(int idx, u32 *valid, u32 *tsize, unsigned long *epn,
484 setup_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
486 void clear_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
488 static void dump_spd_ddr_reg(void)
493 struct ccsr_ddr __iomem *ddr[CONFIG_SYS_NUM_DDR_CTLRS];
495 spd[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_DIMM_SLOTS_PER_CTLR];
497 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++)
498 fsl_ddr_get_spd(spd[i], i, CONFIG_DIMM_SLOTS_PER_CTLR);
500 puts("SPD data of all dimms (zero value is omitted)...\n");
503 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
504 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++)
505 printf("Dimm%d ", k++);
508 for (k = 0; k < sizeof(generic_spd_eeprom_t); k++) {
510 printf("%3d (0x%02x) ", k, k);
511 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
512 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
513 p_8 = (u8 *) &spd[i][j];
515 printf("0x%02x ", p_8[k]);
527 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
530 ddr[i] = (void *)CONFIG_SYS_FSL_DDR_ADDR;
532 #if defined(CONFIG_SYS_FSL_DDR2_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 1)
534 ddr[i] = (void *)CONFIG_SYS_FSL_DDR2_ADDR;
537 #if defined(CONFIG_SYS_FSL_DDR3_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 2)
539 ddr[i] = (void *)CONFIG_SYS_FSL_DDR3_ADDR;
542 #if defined(CONFIG_SYS_FSL_DDR4_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 3)
544 ddr[i] = (void *)CONFIG_SYS_FSL_DDR4_ADDR;
548 printf("%s unexpected controller number = %u\n",
553 printf("DDR registers dump for all controllers "
554 "(zero value is omitted)...\n");
555 puts("Offset (hex) ");
556 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++)
557 printf(" Base + 0x%04x", (u32)ddr[i] & 0xFFFF);
559 for (k = 0; k < sizeof(struct ccsr_ddr)/4; k++) {
561 printf("%6d (0x%04x)", k * 4, k * 4);
562 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
563 p_32 = (u32 *) ddr[i];
565 printf(" 0x%08x", p_32[k]);
578 /* invalid the TLBs for DDR and setup new ones to cover p_addr */
579 static int reset_tlb(phys_addr_t p_addr, u32 size, phys_addr_t *phys_offset)
581 u32 vstart = CONFIG_SYS_DDR_SDRAM_BASE;
583 u32 tsize, valid, ptr;
586 clear_ddr_tlbs_phys(p_addr, size>>20);
588 /* Setup new tlb to cover the physical address */
589 setup_ddr_tlbs_phys(p_addr, size>>20);
592 ddr_esel = find_tlb_idx((void *)ptr, 1);
593 if (ddr_esel != -1) {
594 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, phys_offset);
596 printf("TLB error in function %s\n", __func__);
604 * slide the testing window up to test another area
605 * for 32_bit system, the maximum testable memory is limited to
606 * CONFIG_MAX_MEM_MAPPED
608 int arch_memory_test_advance(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
610 phys_addr_t test_cap, p_addr;
611 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
613 #if !defined(CONFIG_PHYS_64BIT) || \
614 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
615 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
618 test_cap = gd->ram_size;
620 p_addr = (*vstart) + (*size) + (*phys_offset);
621 if (p_addr < test_cap - 1) {
622 p_size = min(test_cap - p_addr, CONFIG_MAX_MEM_MAPPED);
623 if (reset_tlb(p_addr, p_size, phys_offset) == -1)
625 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
626 *size = (u32) p_size;
627 printf("Testing 0x%08llx - 0x%08llx\n",
628 (u64)(*vstart) + (*phys_offset),
629 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
636 /* initialization for testing area */
637 int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
639 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
641 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
642 *size = (u32) p_size; /* CONFIG_MAX_MEM_MAPPED < 4G */
645 #if !defined(CONFIG_PHYS_64BIT) || \
646 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
647 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
648 if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) {
649 puts("Cannot test more than ");
650 print_size(CONFIG_MAX_MEM_MAPPED,
651 " without proper 36BIT support.\n");
654 printf("Testing 0x%08llx - 0x%08llx\n",
655 (u64)(*vstart) + (*phys_offset),
656 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
661 /* invalid TLBs for DDR and remap as normal after testing */
662 int arch_memory_test_cleanup(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
665 u32 tsize, valid, ptr;
669 /* disable the TLBs for this testing */
672 while (ptr < (*vstart) + (*size)) {
673 ddr_esel = find_tlb_idx((void *)ptr, 1);
674 if (ddr_esel != -1) {
675 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn);
676 disable_tlb(ddr_esel);
678 ptr += TSIZE_TO_BYTES(tsize);
682 setup_ddr_tlbs(gd->ram_size>>20);
688 void arch_memory_failure_handle(void)