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;
52 char buf1[32], buf2[32];
53 #if defined(CONFIG_DDR_CLK_FREQ) || defined(CONFIG_FSL_CORENET)
54 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
55 #endif /* CONFIG_FSL_CORENET */
56 #ifdef CONFIG_DDR_CLK_FREQ
57 u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO)
58 >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
60 #ifdef CONFIG_FSL_CORENET
61 u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC)
62 >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT;
65 #endif /* CONFIG_FSL_CORENET */
66 #endif /* CONFIG_DDR_CLK_FREQ */
67 unsigned int i, core, nr_cores = cpu_numcores();
68 u32 mask = cpu_mask();
73 major &= 0x7; /* the msb of this nibble is a mfg code */
77 if (cpu_numcores() > 1) {
79 puts("Unicore software on multiprocessor system!!\n"
80 "To enable mutlticore build define CONFIG_MP\n");
82 volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR);
83 printf("CPU%d: ", pic->whoami);
91 if (IS_E_PROCESSOR(svr))
94 printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
103 case PVR_VER_E500_V1:
104 case PVR_VER_E500_V2:
118 printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
120 get_sys_info(&sysinfo);
122 puts("Clock Configuration:");
123 for_each_cpu(i, core, nr_cores, mask) {
126 printf("CPU%d:%-4s MHz, ", core,
127 strmhz(buf1, sysinfo.freqProcessor[core]));
129 printf("\n CCB:%-4s MHz,\n", strmhz(buf1, sysinfo.freqSystemBus));
131 #ifdef CONFIG_FSL_CORENET
133 printf(" DDR:%-4s MHz (%s MT/s data rate) "
135 strmhz(buf1, sysinfo.freqDDRBus/2),
136 strmhz(buf2, sysinfo.freqDDRBus));
138 printf(" DDR:%-4s MHz (%s MT/s data rate) "
140 strmhz(buf1, sysinfo.freqDDRBus/2),
141 strmhz(buf2, sysinfo.freqDDRBus));
146 printf(" DDR:%-4s MHz (%s MT/s data rate), ",
147 strmhz(buf1, sysinfo.freqDDRBus/2),
148 strmhz(buf2, sysinfo.freqDDRBus));
151 printf(" DDR:%-4s MHz (%s MT/s data rate) "
153 strmhz(buf1, sysinfo.freqDDRBus/2),
154 strmhz(buf2, sysinfo.freqDDRBus));
157 printf(" DDR:%-4s MHz (%s MT/s data rate) "
159 strmhz(buf1, sysinfo.freqDDRBus/2),
160 strmhz(buf2, sysinfo.freqDDRBus));
165 #if defined(CONFIG_FSL_LBC)
166 if (sysinfo.freqLocalBus > LCRR_CLKDIV) {
167 printf("LBC:%-4s MHz\n", strmhz(buf1, sysinfo.freqLocalBus));
169 printf("LBC: unknown (LCRR[CLKDIV] = 0x%02lx)\n",
170 sysinfo.freqLocalBus);
175 printf("CPM: %s MHz\n", strmhz(buf1, sysinfo.freqSystemBus));
179 printf(" QE:%-4s MHz\n", strmhz(buf1, sysinfo.freqQE));
182 #ifdef CONFIG_SYS_DPAA_FMAN
183 for (i = 0; i < CONFIG_SYS_NUM_FMAN; i++) {
184 printf(" FMAN%d: %s MHz\n", i + 1,
185 strmhz(buf1, sysinfo.freqFMan[i]));
189 #ifdef CONFIG_SYS_DPAA_PME
190 printf(" PME: %s MHz\n", strmhz(buf1, sysinfo.freqPME));
193 puts("L1: D-cache 32 kB enabled\n I-cache 32 kB enabled\n");
199 /* ------------------------------------------------------------------------- */
201 int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
203 /* Everything after the first generation of PQ3 parts has RSTCR */
204 #if defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \
205 defined(CONFIG_MPC8555) || defined(CONFIG_MPC8560)
206 unsigned long val, msr;
209 * Initiate hard reset in debug control register DBCR0
210 * Make sure MSR[DE] = 1. This only resets the core.
220 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
221 out_be32(&gur->rstcr, 0x2); /* HRESET_REQ */
230 * Get timebase clock frequency
232 #ifndef CONFIG_SYS_FSL_TBCLK_DIV
233 #define CONFIG_SYS_FSL_TBCLK_DIV 8
235 unsigned long get_tbclk (void)
237 unsigned long tbclk_div = CONFIG_SYS_FSL_TBCLK_DIV;
239 return (gd->bus_clk + (tbclk_div >> 1)) / tbclk_div;
243 #if defined(CONFIG_WATCHDOG)
247 int re_enable = disable_interrupts();
248 reset_85xx_watchdog();
249 if (re_enable) enable_interrupts();
253 reset_85xx_watchdog(void)
256 * Clear TSR(WIS) bit by writing 1
259 val = mfspr(SPRN_TSR);
261 mtspr(SPRN_TSR, val);
263 #endif /* CONFIG_WATCHDOG */
266 * Initializes on-chip MMC controllers.
267 * to override, implement board_mmc_init()
269 int cpu_mmc_init(bd_t *bis)
271 #ifdef CONFIG_FSL_ESDHC
272 return fsl_esdhc_mmc_init(bis);
279 * Print out the state of various machine registers.
280 * Currently prints out LAWs, BR0/OR0 for LBC, CSPR/CSOR/Timing
281 * parameters for IFC and TLBs
283 void mpc85xx_reginfo(void)
287 #if defined(CONFIG_FSL_LBC)
290 #ifdef CONFIG_FSL_IFC
296 /* Common ddr init for non-corenet fsl 85xx platforms */
297 #ifndef CONFIG_FSL_CORENET
298 #if defined(CONFIG_SYS_RAMBOOT) && !defined(CONFIG_SYS_INIT_L2_ADDR)
299 phys_size_t initdram(int board_type)
301 #if defined(CONFIG_SPD_EEPROM) || defined(CONFIG_DDR_SPD)
302 return fsl_ddr_sdram_size();
304 return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
307 #else /* CONFIG_SYS_RAMBOOT */
308 phys_size_t initdram(int board_type)
310 phys_size_t dram_size = 0;
312 #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN)
314 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
319 * Work around to stabilize DDR DLL
321 out_be32(&gur->ddrdllcr, 0x81000000);
322 asm("sync;isync;msync");
324 while (in_be32(&gur->ddrdllcr) != 0x81000100) {
325 setbits_be32(&gur->devdisr, 0x00010000);
326 for (i = 0; i < x; i++)
328 clrbits_be32(&gur->devdisr, 0x00010000);
334 #if defined(CONFIG_SPD_EEPROM) || \
335 defined(CONFIG_DDR_SPD) || \
336 defined(CONFIG_SYS_DDR_RAW_TIMING)
337 dram_size = fsl_ddr_sdram();
339 dram_size = fixed_sdram();
341 dram_size = setup_ddr_tlbs(dram_size / 0x100000);
342 dram_size *= 0x100000;
344 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
346 * Initialize and enable DDR ECC.
348 ddr_enable_ecc(dram_size);
351 #if defined(CONFIG_FSL_LBC)
352 /* Some boards also have sdram on the lbc */
359 #endif /* CONFIG_SYS_RAMBOOT */
362 #if CONFIG_POST & CONFIG_SYS_POST_MEMORY
364 /* Board-specific functions defined in each board's ddr.c */
365 void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
366 unsigned int ctrl_num);
367 void read_tlbcam_entry(int idx, u32 *valid, u32 *tsize, unsigned long *epn,
370 setup_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
372 void clear_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
374 static void dump_spd_ddr_reg(void)
379 ccsr_ddr_t *ddr[CONFIG_NUM_DDR_CONTROLLERS];
381 spd[CONFIG_NUM_DDR_CONTROLLERS][CONFIG_DIMM_SLOTS_PER_CTLR];
383 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++)
384 fsl_ddr_get_spd(spd[i], i);
386 puts("SPD data of all dimms (zero vaule is omitted)...\n");
389 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
390 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++)
391 printf("Dimm%d ", k++);
394 for (k = 0; k < sizeof(generic_spd_eeprom_t); k++) {
396 printf("%3d (0x%02x) ", k, k);
397 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
398 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
399 p_8 = (u8 *) &spd[i][j];
401 printf("0x%02x ", p_8[k]);
413 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
416 ddr[i] = (void *)CONFIG_SYS_MPC85xx_DDR_ADDR;
418 #ifdef CONFIG_SYS_MPC85xx_DDR2_ADDR
420 ddr[i] = (void *)CONFIG_SYS_MPC85xx_DDR2_ADDR;
424 printf("%s unexpected controller number = %u\n",
429 printf("DDR registers dump for all controllers "
430 "(zero vaule is omitted)...\n");
431 puts("Offset (hex) ");
432 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++)
433 printf(" Base + 0x%04x", (u32)ddr[i] & 0xFFFF);
435 for (k = 0; k < sizeof(ccsr_ddr_t)/4; k++) {
437 printf("%6d (0x%04x)", k * 4, k * 4);
438 for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
439 p_32 = (u32 *) ddr[i];
441 printf(" 0x%08x", p_32[k]);
454 /* invalid the TLBs for DDR and setup new ones to cover p_addr */
455 static int reset_tlb(phys_addr_t p_addr, u32 size, phys_addr_t *phys_offset)
457 u32 vstart = CONFIG_SYS_DDR_SDRAM_BASE;
459 u32 tsize, valid, ptr;
462 clear_ddr_tlbs_phys(p_addr, size>>20);
464 /* Setup new tlb to cover the physical address */
465 setup_ddr_tlbs_phys(p_addr, size>>20);
468 ddr_esel = find_tlb_idx((void *)ptr, 1);
469 if (ddr_esel != -1) {
470 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, phys_offset);
472 printf("TLB error in function %s\n", __func__);
480 * slide the testing window up to test another area
481 * for 32_bit system, the maximum testable memory is limited to
482 * CONFIG_MAX_MEM_MAPPED
484 int arch_memory_test_advance(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
486 phys_addr_t test_cap, p_addr;
487 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
489 #if !defined(CONFIG_PHYS_64BIT) || \
490 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
491 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
494 test_cap = gd->ram_size;
496 p_addr = (*vstart) + (*size) + (*phys_offset);
497 if (p_addr < test_cap - 1) {
498 p_size = min(test_cap - p_addr, CONFIG_MAX_MEM_MAPPED);
499 if (reset_tlb(p_addr, p_size, phys_offset) == -1)
501 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
502 *size = (u32) p_size;
503 printf("Testing 0x%08llx - 0x%08llx\n",
504 (u64)(*vstart) + (*phys_offset),
505 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
512 /* initialization for testing area */
513 int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
515 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
517 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
518 *size = (u32) p_size; /* CONFIG_MAX_MEM_MAPPED < 4G */
521 #if !defined(CONFIG_PHYS_64BIT) || \
522 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
523 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
524 if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) {
525 puts("Cannot test more than ");
526 print_size(CONFIG_MAX_MEM_MAPPED,
527 " without proper 36BIT support.\n");
530 printf("Testing 0x%08llx - 0x%08llx\n",
531 (u64)(*vstart) + (*phys_offset),
532 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
537 /* invalid TLBs for DDR and remap as normal after testing */
538 int arch_memory_test_cleanup(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
541 u32 tsize, valid, ptr;
545 /* disable the TLBs for this testing */
548 while (ptr < (*vstart) + (*size)) {
549 ddr_esel = find_tlb_idx((void *)ptr, 1);
550 if (ddr_esel != -1) {
551 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn);
552 disable_tlb(ddr_esel);
554 ptr += TSIZE_TO_BYTES(tsize);
558 setup_ddr_tlbs(gd->ram_size>>20);
564 void arch_memory_failure_handle(void)