2 * Copyright 2004,2007-2011 Freescale Semiconductor, Inc.
3 * (C) Copyright 2002, 2003 Motorola Inc.
4 * Xianghua Xiao (X.Xiao@motorola.com)
7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9 * SPDX-License-Identifier: GPL-2.0+
16 #include <fsl_esdhc.h>
17 #include <asm/cache.h>
21 #include <asm/fsl_law.h>
22 #include <asm/fsl_lbc.h>
24 #include <asm/processor.h>
25 #include <fsl_ddr_sdram.h>
27 DECLARE_GLOBAL_DATA_PTR;
30 * Default board reset function
37 void board_reset(void) __attribute__((weak, alias("__board_reset")));
46 char buf1[32], buf2[32];
47 #if defined(CONFIG_DDR_CLK_FREQ) || defined(CONFIG_FSL_CORENET)
48 ccsr_gur_t __iomem *gur =
49 (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
53 * Cornet platforms use ddr sync bit in RCW to indicate sync vs async
54 * mode. Previous platform use ddr ratio to do the same. This
55 * information is only for display here.
57 #ifdef CONFIG_FSL_CORENET
58 #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
59 u32 ddr_sync = 0; /* only async mode is supported */
61 u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC)
62 >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT;
63 #endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */
64 #else /* CONFIG_FSL_CORENET */
65 #ifdef CONFIG_DDR_CLK_FREQ
66 u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO)
67 >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
70 #endif /* CONFIG_DDR_CLK_FREQ */
71 #endif /* CONFIG_FSL_CORENET */
73 unsigned int i, core, nr_cores = cpu_numcores();
74 u32 mask = cpu_mask();
76 #ifdef CONFIG_HETROGENOUS_CLUSTERS
77 unsigned int j, dsp_core, dsp_numcores = cpu_num_dspcores();
78 u32 dsp_mask = cpu_dsp_mask();
85 #if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
86 if (SVR_SOC_VER(svr) == SVR_T4080) {
88 (void __iomem *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR);
90 setbits_be32(&gur->devdisr2, FSL_CORENET_DEVDISR2_DTSEC1_6 ||
91 FSL_CORENET_DEVDISR2_DTSEC1_9);
92 setbits_be32(&gur->devdisr3, FSL_CORENET_DEVDISR3_PCIE3);
93 setbits_be32(&gur->devdisr5, FSL_CORENET_DEVDISR5_DDR3);
95 /* It needs SW to disable core4~7 as HW design sake on T4080 */
96 for (i = 4; i < 8; i++)
99 /* request core4~7 into PH20 state, prior to entering PCL10
100 * state, all cores in cluster should be placed in PH20 state.
102 setbits_be32(&rcpm->pcph20setr, 0xf0);
104 /* put the 2nd cluster into PCL10 state */
105 setbits_be32(&rcpm->clpcl10setr, 1 << 1);
109 if (cpu_numcores() > 1) {
111 puts("Unicore software on multiprocessor system!!\n"
112 "To enable mutlticore build define CONFIG_MP\n");
114 volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR);
115 printf("CPU%d: ", pic->whoami);
123 if (IS_E_PROCESSOR(svr))
126 printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
130 major = PVR_MAJ(pvr);
131 minor = PVR_MIN(pvr);
135 case PVR_VER_E500_V1:
136 case PVR_VER_E500_V2:
153 printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
155 if (nr_cores > CONFIG_MAX_CPUS) {
156 panic("\nUnexpected number of cores: %d, max is %d\n",
157 nr_cores, CONFIG_MAX_CPUS);
160 get_sys_info(&sysinfo);
162 #ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
163 if (sysinfo.diff_sysclk == 1)
164 puts("Single Source Clock Configuration\n");
167 puts("Clock Configuration:");
168 for_each_cpu(i, core, nr_cores, mask) {
171 printf("CPU%d:%-4s MHz, ", core,
172 strmhz(buf1, sysinfo.freq_processor[core]));
175 #ifdef CONFIG_HETROGENOUS_CLUSTERS
176 for_each_cpu(j, dsp_core, dsp_numcores, dsp_mask) {
179 printf("DSP CPU%d:%-4s MHz, ", j,
180 strmhz(buf1, sysinfo.freq_processor_dsp[dsp_core]));
184 printf("\n CCB:%-4s MHz,", strmhz(buf1, sysinfo.freq_systembus));
187 #ifdef CONFIG_FSL_CORENET
189 printf(" DDR:%-4s MHz (%s MT/s data rate) "
191 strmhz(buf1, sysinfo.freq_ddrbus/2),
192 strmhz(buf2, sysinfo.freq_ddrbus));
194 printf(" DDR:%-4s MHz (%s MT/s data rate) "
196 strmhz(buf1, sysinfo.freq_ddrbus/2),
197 strmhz(buf2, sysinfo.freq_ddrbus));
202 printf(" DDR:%-4s MHz (%s MT/s data rate), ",
203 strmhz(buf1, sysinfo.freq_ddrbus/2),
204 strmhz(buf2, sysinfo.freq_ddrbus));
207 printf(" DDR:%-4s MHz (%s MT/s data rate) "
209 strmhz(buf1, sysinfo.freq_ddrbus/2),
210 strmhz(buf2, sysinfo.freq_ddrbus));
213 printf(" DDR:%-4s MHz (%s MT/s data rate) "
215 strmhz(buf1, sysinfo.freq_ddrbus/2),
216 strmhz(buf2, sysinfo.freq_ddrbus));
221 #if defined(CONFIG_FSL_LBC)
222 if (sysinfo.freq_localbus > LCRR_CLKDIV) {
223 printf("LBC:%-4s MHz\n", strmhz(buf1, sysinfo.freq_localbus));
225 printf("LBC: unknown (LCRR[CLKDIV] = 0x%02lx)\n",
226 sysinfo.freq_localbus);
230 #if defined(CONFIG_FSL_IFC)
231 printf("IFC:%-4s MHz\n", strmhz(buf1, sysinfo.freq_localbus));
235 printf("CPM: %s MHz\n", strmhz(buf1, sysinfo.freq_systembus));
239 printf(" QE:%-4s MHz\n", strmhz(buf1, sysinfo.freq_qe));
242 #if defined(CONFIG_SYS_CPRI)
244 printf("CPRI:%-4s MHz", strmhz(buf1, sysinfo.freq_cpri));
247 #if defined(CONFIG_SYS_MAPLE)
249 printf("MAPLE:%-4s MHz, ", strmhz(buf1, sysinfo.freq_maple));
250 printf("MAPLE-ULB:%-4s MHz, ", strmhz(buf1, sysinfo.freq_maple_ulb));
251 printf("MAPLE-eTVPE:%-4s MHz\n",
252 strmhz(buf1, sysinfo.freq_maple_etvpe));
255 #ifdef CONFIG_SYS_DPAA_FMAN
256 for (i = 0; i < CONFIG_SYS_NUM_FMAN; i++) {
257 printf(" FMAN%d: %s MHz\n", i + 1,
258 strmhz(buf1, sysinfo.freq_fman[i]));
262 #ifdef CONFIG_SYS_DPAA_QBMAN
263 printf(" QMAN: %s MHz\n", strmhz(buf1, sysinfo.freq_qman));
266 #ifdef CONFIG_SYS_DPAA_PME
267 printf(" PME: %s MHz\n", strmhz(buf1, sysinfo.freq_pme));
270 puts("L1: D-cache 32 KiB enabled\n I-cache 32 KiB enabled\n");
272 #ifdef CONFIG_FSL_CORENET
273 /* Display the RCW, so that no one gets confused as to what RCW
274 * we're actually using for this boot.
276 puts("Reset Configuration Word (RCW):");
277 for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) {
278 u32 rcw = in_be32(&gur->rcwsr[i]);
281 printf("\n %08x:", i * 4);
282 printf(" %08x", rcw);
291 /* ------------------------------------------------------------------------- */
293 int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
295 /* Everything after the first generation of PQ3 parts has RSTCR */
296 #if defined(CONFIG_ARCH_MPC8540) || defined(CONFIG_ARCH_MPC8541) || \
297 defined(CONFIG_ARCH_MPC8555) || defined(CONFIG_ARCH_MPC8560)
298 unsigned long val, msr;
301 * Initiate hard reset in debug control register DBCR0
302 * Make sure MSR[DE] = 1. This only resets the core.
312 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
314 /* Attempt board-specific reset */
317 /* Next try asserting HRESET_REQ */
318 out_be32(&gur->rstcr, 0x2);
327 * Get timebase clock frequency
329 #ifndef CONFIG_SYS_FSL_TBCLK_DIV
330 #define CONFIG_SYS_FSL_TBCLK_DIV 8
332 __weak unsigned long get_tbclk (void)
334 unsigned long tbclk_div = CONFIG_SYS_FSL_TBCLK_DIV;
336 return (gd->bus_clk + (tbclk_div >> 1)) / tbclk_div;
340 #if defined(CONFIG_WATCHDOG)
341 #define WATCHDOG_MASK (TCR_WP(63) | TCR_WRC(3) | TCR_WIE)
343 init_85xx_watchdog(void)
345 mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WATCHDOG_MASK) |
346 TCR_WP(CONFIG_WATCHDOG_PRESC) | TCR_WRC(CONFIG_WATCHDOG_RC));
350 reset_85xx_watchdog(void)
353 * Clear TSR(WIS) bit by writing 1
355 mtspr(SPRN_TSR, TSR_WIS);
361 int re_enable = disable_interrupts();
363 reset_85xx_watchdog();
367 #endif /* CONFIG_WATCHDOG */
370 * Initializes on-chip MMC controllers.
371 * to override, implement board_mmc_init()
373 int cpu_mmc_init(bd_t *bis)
375 #ifdef CONFIG_FSL_ESDHC
376 return fsl_esdhc_mmc_init(bis);
383 * Print out the state of various machine registers.
384 * Currently prints out LAWs, BR0/OR0 for LBC, CSPR/CSOR/Timing
385 * parameters for IFC and TLBs
387 void mpc85xx_reginfo(void)
391 #if defined(CONFIG_FSL_LBC)
394 #ifdef CONFIG_FSL_IFC
400 /* Common ddr init for non-corenet fsl 85xx platforms */
401 #ifndef CONFIG_FSL_CORENET
402 #if (defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)) && \
403 !defined(CONFIG_SYS_INIT_L2_ADDR)
406 #if defined(CONFIG_SPD_EEPROM) || defined(CONFIG_DDR_SPD) || \
407 defined(CONFIG_ARCH_QEMU_E500)
408 gd->ram_size = fsl_ddr_sdram_size();
410 gd->ram_size = (phys_size_t)CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
415 #else /* CONFIG_SYS_RAMBOOT */
418 phys_size_t dram_size = 0;
420 #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN)
422 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
427 * Work around to stabilize DDR DLL
429 out_be32(&gur->ddrdllcr, 0x81000000);
430 asm("sync;isync;msync");
432 while (in_be32(&gur->ddrdllcr) != 0x81000100) {
433 setbits_be32(&gur->devdisr, 0x00010000);
434 for (i = 0; i < x; i++)
436 clrbits_be32(&gur->devdisr, 0x00010000);
442 #if defined(CONFIG_SPD_EEPROM) || \
443 defined(CONFIG_DDR_SPD) || \
444 defined(CONFIG_SYS_DDR_RAW_TIMING)
445 dram_size = fsl_ddr_sdram();
447 dram_size = fixed_sdram();
449 dram_size = setup_ddr_tlbs(dram_size / 0x100000);
450 dram_size *= 0x100000;
452 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
454 * Initialize and enable DDR ECC.
456 ddr_enable_ecc(dram_size);
459 #if defined(CONFIG_FSL_LBC)
460 /* Some boards also have sdram on the lbc */
465 gd->ram_size = dram_size;
469 #endif /* CONFIG_SYS_RAMBOOT */
472 #if CONFIG_POST & CONFIG_SYS_POST_MEMORY
474 /* Board-specific functions defined in each board's ddr.c */
475 void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
476 unsigned int ctrl_num, unsigned int dimm_slots_per_ctrl);
477 void read_tlbcam_entry(int idx, u32 *valid, u32 *tsize, unsigned long *epn,
480 setup_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
482 void clear_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
484 static void dump_spd_ddr_reg(void)
489 struct ccsr_ddr __iomem *ddr[CONFIG_SYS_NUM_DDR_CTLRS];
491 spd[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_DIMM_SLOTS_PER_CTLR];
493 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++)
494 fsl_ddr_get_spd(spd[i], i, CONFIG_DIMM_SLOTS_PER_CTLR);
496 puts("SPD data of all dimms (zero value is omitted)...\n");
499 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
500 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++)
501 printf("Dimm%d ", k++);
504 for (k = 0; k < sizeof(generic_spd_eeprom_t); k++) {
506 printf("%3d (0x%02x) ", k, k);
507 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
508 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
509 p_8 = (u8 *) &spd[i][j];
511 printf("0x%02x ", p_8[k]);
523 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
526 ddr[i] = (void *)CONFIG_SYS_FSL_DDR_ADDR;
528 #if defined(CONFIG_SYS_FSL_DDR2_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 1)
530 ddr[i] = (void *)CONFIG_SYS_FSL_DDR2_ADDR;
533 #if defined(CONFIG_SYS_FSL_DDR3_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 2)
535 ddr[i] = (void *)CONFIG_SYS_FSL_DDR3_ADDR;
538 #if defined(CONFIG_SYS_FSL_DDR4_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 3)
540 ddr[i] = (void *)CONFIG_SYS_FSL_DDR4_ADDR;
544 printf("%s unexpected controller number = %u\n",
549 printf("DDR registers dump for all controllers "
550 "(zero value is omitted)...\n");
551 puts("Offset (hex) ");
552 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++)
553 printf(" Base + 0x%04x", (u32)ddr[i] & 0xFFFF);
555 for (k = 0; k < sizeof(struct ccsr_ddr)/4; k++) {
557 printf("%6d (0x%04x)", k * 4, k * 4);
558 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
559 p_32 = (u32 *) ddr[i];
561 printf(" 0x%08x", p_32[k]);
574 /* invalid the TLBs for DDR and setup new ones to cover p_addr */
575 static int reset_tlb(phys_addr_t p_addr, u32 size, phys_addr_t *phys_offset)
577 u32 vstart = CONFIG_SYS_DDR_SDRAM_BASE;
579 u32 tsize, valid, ptr;
582 clear_ddr_tlbs_phys(p_addr, size>>20);
584 /* Setup new tlb to cover the physical address */
585 setup_ddr_tlbs_phys(p_addr, size>>20);
588 ddr_esel = find_tlb_idx((void *)ptr, 1);
589 if (ddr_esel != -1) {
590 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, phys_offset);
592 printf("TLB error in function %s\n", __func__);
600 * slide the testing window up to test another area
601 * for 32_bit system, the maximum testable memory is limited to
602 * CONFIG_MAX_MEM_MAPPED
604 int arch_memory_test_advance(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
606 phys_addr_t test_cap, p_addr;
607 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
609 #if !defined(CONFIG_PHYS_64BIT) || \
610 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
611 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
614 test_cap = gd->ram_size;
616 p_addr = (*vstart) + (*size) + (*phys_offset);
617 if (p_addr < test_cap - 1) {
618 p_size = min(test_cap - p_addr, CONFIG_MAX_MEM_MAPPED);
619 if (reset_tlb(p_addr, p_size, phys_offset) == -1)
621 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
622 *size = (u32) p_size;
623 printf("Testing 0x%08llx - 0x%08llx\n",
624 (u64)(*vstart) + (*phys_offset),
625 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
632 /* initialization for testing area */
633 int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
635 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
637 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
638 *size = (u32) p_size; /* CONFIG_MAX_MEM_MAPPED < 4G */
641 #if !defined(CONFIG_PHYS_64BIT) || \
642 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
643 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
644 if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) {
645 puts("Cannot test more than ");
646 print_size(CONFIG_MAX_MEM_MAPPED,
647 " without proper 36BIT support.\n");
650 printf("Testing 0x%08llx - 0x%08llx\n",
651 (u64)(*vstart) + (*phys_offset),
652 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
657 /* invalid TLBs for DDR and remap as normal after testing */
658 int arch_memory_test_cleanup(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
661 u32 tsize, valid, ptr;
665 /* disable the TLBs for this testing */
668 while (ptr < (*vstart) + (*size)) {
669 ddr_esel = find_tlb_idx((void *)ptr, 1);
670 if (ddr_esel != -1) {
671 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn);
672 disable_tlb(ddr_esel);
674 ptr += TSIZE_TO_BYTES(tsize);
678 setup_ddr_tlbs(gd->ram_size>>20);
684 void arch_memory_failure_handle(void)