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 * See file CREDITS for list of people who contributed to this
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
32 #include <fsl_esdhc.h>
33 #include <asm/cache.h>
36 #include <asm/fsl_ifc.h>
37 #include <asm/fsl_law.h>
38 #include <asm/fsl_lbc.h>
40 #include <asm/processor.h>
41 #include <asm/fsl_ddr_sdram.h>
43 DECLARE_GLOBAL_DATA_PTR;
46 * Default board reset function
53 void board_reset(void) __attribute__((weak, alias("__board_reset")));
62 char buf1[32], buf2[32];
63 #if defined(CONFIG_DDR_CLK_FREQ) || defined(CONFIG_FSL_CORENET)
64 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
65 #endif /* CONFIG_FSL_CORENET */
66 #ifdef CONFIG_DDR_CLK_FREQ
67 u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO)
68 >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
70 #ifdef CONFIG_FSL_CORENET
71 u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC)
72 >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT;
75 #endif /* CONFIG_FSL_CORENET */
76 #endif /* CONFIG_DDR_CLK_FREQ */
77 unsigned int i, core, nr_cores = cpu_numcores();
78 u32 mask = cpu_mask();
84 if (cpu_numcores() > 1) {
86 puts("Unicore software on multiprocessor system!!\n"
87 "To enable mutlticore build define CONFIG_MP\n");
89 volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR);
90 printf("CPU%d: ", pic->whoami);
98 if (IS_E_PROCESSOR(svr))
101 printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
105 major = PVR_MAJ(pvr);
106 minor = PVR_MIN(pvr);
110 case PVR_VER_E500_V1:
111 case PVR_VER_E500_V2:
125 printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
127 get_sys_info(&sysinfo);
129 puts("Clock Configuration:");
130 for_each_cpu(i, core, nr_cores, mask) {
133 printf("CPU%d:%-4s MHz, ", core,
134 strmhz(buf1, sysinfo.freqProcessor[core]));
136 printf("\n CCB:%-4s MHz,\n", strmhz(buf1, sysinfo.freqSystemBus));
138 #ifdef CONFIG_FSL_CORENET
140 printf(" DDR:%-4s MHz (%s MT/s data rate) "
142 strmhz(buf1, sysinfo.freqDDRBus/2),
143 strmhz(buf2, sysinfo.freqDDRBus));
145 printf(" DDR:%-4s MHz (%s MT/s data rate) "
147 strmhz(buf1, sysinfo.freqDDRBus/2),
148 strmhz(buf2, sysinfo.freqDDRBus));
153 printf(" DDR:%-4s MHz (%s MT/s data rate), ",
154 strmhz(buf1, sysinfo.freqDDRBus/2),
155 strmhz(buf2, sysinfo.freqDDRBus));
158 printf(" DDR:%-4s MHz (%s MT/s data rate) "
160 strmhz(buf1, sysinfo.freqDDRBus/2),
161 strmhz(buf2, sysinfo.freqDDRBus));
164 printf(" DDR:%-4s MHz (%s MT/s data rate) "
166 strmhz(buf1, sysinfo.freqDDRBus/2),
167 strmhz(buf2, sysinfo.freqDDRBus));
172 #if defined(CONFIG_FSL_LBC)
173 if (sysinfo.freqLocalBus > LCRR_CLKDIV) {
174 printf("LBC:%-4s MHz\n", strmhz(buf1, sysinfo.freqLocalBus));
176 printf("LBC: unknown (LCRR[CLKDIV] = 0x%02lx)\n",
177 sysinfo.freqLocalBus);
182 printf("CPM: %s MHz\n", strmhz(buf1, sysinfo.freqSystemBus));
186 printf(" QE:%-4s MHz\n", strmhz(buf1, sysinfo.freqQE));
189 #ifdef CONFIG_SYS_DPAA_FMAN
190 for (i = 0; i < CONFIG_SYS_NUM_FMAN; i++) {
191 printf(" FMAN%d: %s MHz\n", i + 1,
192 strmhz(buf1, sysinfo.freqFMan[i]));
196 #ifdef CONFIG_SYS_DPAA_PME
197 printf(" PME: %s MHz\n", strmhz(buf1, sysinfo.freqPME));
200 puts("L1: D-cache 32 kB enabled\n I-cache 32 kB enabled\n");
206 /* ------------------------------------------------------------------------- */
208 int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
210 /* Everything after the first generation of PQ3 parts has RSTCR */
211 #if defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \
212 defined(CONFIG_MPC8555) || defined(CONFIG_MPC8560)
213 unsigned long val, msr;
216 * Initiate hard reset in debug control register DBCR0
217 * Make sure MSR[DE] = 1. This only resets the core.
227 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
229 /* Attempt board-specific reset */
232 /* Next try asserting HRESET_REQ */
233 out_be32(&gur->rstcr, 0x2);
242 * Get timebase clock frequency
244 #ifndef CONFIG_SYS_FSL_TBCLK_DIV
245 #define CONFIG_SYS_FSL_TBCLK_DIV 8
247 unsigned long get_tbclk (void)
249 unsigned long tbclk_div = CONFIG_SYS_FSL_TBCLK_DIV;
251 return (gd->bus_clk + (tbclk_div >> 1)) / tbclk_div;
255 #if defined(CONFIG_WATCHDOG)
259 int re_enable = disable_interrupts();
260 reset_85xx_watchdog();
261 if (re_enable) enable_interrupts();
265 reset_85xx_watchdog(void)
268 * Clear TSR(WIS) bit by writing 1
271 val = mfspr(SPRN_TSR);
273 mtspr(SPRN_TSR, val);
275 #endif /* CONFIG_WATCHDOG */
278 * Initializes on-chip MMC controllers.
279 * to override, implement board_mmc_init()
281 int cpu_mmc_init(bd_t *bis)
283 #ifdef CONFIG_FSL_ESDHC
284 return fsl_esdhc_mmc_init(bis);
291 * Print out the state of various machine registers.
292 * Currently prints out LAWs, BR0/OR0 for LBC, CSPR/CSOR/Timing
293 * parameters for IFC and TLBs
295 void mpc85xx_reginfo(void)
299 #if defined(CONFIG_FSL_LBC)
302 #ifdef CONFIG_FSL_IFC
308 /* Common ddr init for non-corenet fsl 85xx platforms */
309 #ifndef CONFIG_FSL_CORENET
310 #if defined(CONFIG_SYS_RAMBOOT) && !defined(CONFIG_SYS_INIT_L2_ADDR)
311 phys_size_t initdram(int board_type)
313 #if defined(CONFIG_SPD_EEPROM) || defined(CONFIG_DDR_SPD)
314 return fsl_ddr_sdram_size();
316 return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
319 #else /* CONFIG_SYS_RAMBOOT */
320 phys_size_t initdram(int board_type)
322 phys_size_t dram_size = 0;
324 #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN)
326 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
331 * Work around to stabilize DDR DLL
333 out_be32(&gur->ddrdllcr, 0x81000000);
334 asm("sync;isync;msync");
336 while (in_be32(&gur->ddrdllcr) != 0x81000100) {
337 setbits_be32(&gur->devdisr, 0x00010000);
338 for (i = 0; i < x; i++)
340 clrbits_be32(&gur->devdisr, 0x00010000);
346 #if defined(CONFIG_SPD_EEPROM) || \
347 defined(CONFIG_DDR_SPD) || \
348 defined(CONFIG_SYS_DDR_RAW_TIMING)
349 dram_size = fsl_ddr_sdram();
351 dram_size = fixed_sdram();
353 dram_size = setup_ddr_tlbs(dram_size / 0x100000);
354 dram_size *= 0x100000;
356 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
358 * Initialize and enable DDR ECC.
360 ddr_enable_ecc(dram_size);
363 #if defined(CONFIG_FSL_LBC)
364 /* Some boards also have sdram on the lbc */
371 #endif /* CONFIG_SYS_RAMBOOT */
374 #if CONFIG_POST & CONFIG_SYS_POST_MEMORY
376 /* Board-specific functions defined in each board's ddr.c */
377 void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
378 unsigned int ctrl_num);
379 void read_tlbcam_entry(int idx, u32 *valid, u32 *tsize, unsigned long *epn,
382 setup_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
384 void clear_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
386 static void dump_spd_ddr_reg(void)
391 ccsr_ddr_t *ddr[CONFIG_NUM_DDR_CONTROLLERS];
393 spd[CONFIG_NUM_DDR_CONTROLLERS][CONFIG_DIMM_SLOTS_PER_CTLR];
395 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++)
396 fsl_ddr_get_spd(spd[i], i);
398 puts("SPD data of all dimms (zero vaule is omitted)...\n");
401 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
402 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++)
403 printf("Dimm%d ", k++);
406 for (k = 0; k < sizeof(generic_spd_eeprom_t); k++) {
408 printf("%3d (0x%02x) ", k, k);
409 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
410 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
411 p_8 = (u8 *) &spd[i][j];
413 printf("0x%02x ", p_8[k]);
425 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
428 ddr[i] = (void *)CONFIG_SYS_MPC85xx_DDR_ADDR;
430 #ifdef CONFIG_SYS_MPC85xx_DDR2_ADDR
432 ddr[i] = (void *)CONFIG_SYS_MPC85xx_DDR2_ADDR;
436 printf("%s unexpected controller number = %u\n",
441 printf("DDR registers dump for all controllers "
442 "(zero vaule is omitted)...\n");
443 puts("Offset (hex) ");
444 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++)
445 printf(" Base + 0x%04x", (u32)ddr[i] & 0xFFFF);
447 for (k = 0; k < sizeof(ccsr_ddr_t)/4; k++) {
449 printf("%6d (0x%04x)", k * 4, k * 4);
450 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
451 p_32 = (u32 *) ddr[i];
453 printf(" 0x%08x", p_32[k]);
466 /* invalid the TLBs for DDR and setup new ones to cover p_addr */
467 static int reset_tlb(phys_addr_t p_addr, u32 size, phys_addr_t *phys_offset)
469 u32 vstart = CONFIG_SYS_DDR_SDRAM_BASE;
471 u32 tsize, valid, ptr;
474 clear_ddr_tlbs_phys(p_addr, size>>20);
476 /* Setup new tlb to cover the physical address */
477 setup_ddr_tlbs_phys(p_addr, size>>20);
480 ddr_esel = find_tlb_idx((void *)ptr, 1);
481 if (ddr_esel != -1) {
482 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, phys_offset);
484 printf("TLB error in function %s\n", __func__);
492 * slide the testing window up to test another area
493 * for 32_bit system, the maximum testable memory is limited to
494 * CONFIG_MAX_MEM_MAPPED
496 int arch_memory_test_advance(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
498 phys_addr_t test_cap, p_addr;
499 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
501 #if !defined(CONFIG_PHYS_64BIT) || \
502 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
503 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
506 test_cap = gd->ram_size;
508 p_addr = (*vstart) + (*size) + (*phys_offset);
509 if (p_addr < test_cap - 1) {
510 p_size = min(test_cap - p_addr, CONFIG_MAX_MEM_MAPPED);
511 if (reset_tlb(p_addr, p_size, phys_offset) == -1)
513 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
514 *size = (u32) p_size;
515 printf("Testing 0x%08llx - 0x%08llx\n",
516 (u64)(*vstart) + (*phys_offset),
517 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
524 /* initialization for testing area */
525 int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
527 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
529 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
530 *size = (u32) p_size; /* CONFIG_MAX_MEM_MAPPED < 4G */
533 #if !defined(CONFIG_PHYS_64BIT) || \
534 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
535 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
536 if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) {
537 puts("Cannot test more than ");
538 print_size(CONFIG_MAX_MEM_MAPPED,
539 " without proper 36BIT support.\n");
542 printf("Testing 0x%08llx - 0x%08llx\n",
543 (u64)(*vstart) + (*phys_offset),
544 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
549 /* invalid TLBs for DDR and remap as normal after testing */
550 int arch_memory_test_cleanup(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
553 u32 tsize, valid, ptr;
557 /* disable the TLBs for this testing */
560 while (ptr < (*vstart) + (*size)) {
561 ddr_esel = find_tlb_idx((void *)ptr, 1);
562 if (ddr_esel != -1) {
563 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn);
564 disable_tlb(ddr_esel);
566 ptr += TSIZE_TO_BYTES(tsize);
570 setup_ddr_tlbs(gd->ram_size>>20);
576 void arch_memory_failure_handle(void)