diff options
Diffstat (limited to 'arch/blackfin/kernel/setup.c')
-rw-r--r-- | arch/blackfin/kernel/setup.c | 100 |
1 files changed, 61 insertions, 39 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 8dcd76e87ed5..34fbf93cc118 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c | |||
@@ -498,7 +498,7 @@ EXPORT_SYMBOL(get_sclk); | |||
498 | */ | 498 | */ |
499 | static int show_cpuinfo(struct seq_file *m, void *v) | 499 | static int show_cpuinfo(struct seq_file *m, void *v) |
500 | { | 500 | { |
501 | char *cpu, *mmu, *fpu, *name; | 501 | char *cpu, *mmu, *fpu, *name, vendor[20], cache[30]; |
502 | uint32_t revid; | 502 | uint32_t revid; |
503 | 503 | ||
504 | u_long cclk = 0, sclk = 0; | 504 | u_long cclk = 0, sclk = 0; |
@@ -513,65 +513,78 @@ static int show_cpuinfo(struct seq_file *m, void *v) | |||
513 | cclk = get_cclk(); | 513 | cclk = get_cclk(); |
514 | sclk = get_sclk(); | 514 | sclk = get_sclk(); |
515 | 515 | ||
516 | seq_printf(m, "CPU:\t\tADSP-%s Rev. 0.%d\n" | 516 | switch (bfin_read_CHIPID() & CHIPID_MANUFACTURE) { |
517 | "MMU:\t\t%s\n" | 517 | case(0xca): |
518 | "FPU:\t\t%s\n" | 518 | strcpy(vendor, "AnalogDevices"); |
519 | "Core Clock:\t%9lu Hz\n" | 519 | break; |
520 | "System Clock:\t%9lu Hz\n" | 520 | default: |
521 | "BogoMips:\t%lu.%02lu\n" | 521 | strcpy(vendor, "unknown"); |
522 | "Calibration:\t%lu loops\n", | 522 | } |
523 | cpu, revid, mmu, fpu, | ||
524 | cclk, | ||
525 | sclk, | ||
526 | (loops_per_jiffy * HZ) / 500000, | ||
527 | ((loops_per_jiffy * HZ) / 5000) % 100, | ||
528 | (loops_per_jiffy * HZ)); | ||
529 | seq_printf(m, "Board Name:\t%s\n", name); | ||
530 | seq_printf(m, "Board Memory:\t%ld MB\n", physical_mem_end >> 20); | ||
531 | seq_printf(m, "Kernel Memory:\t%ld MB\n", (unsigned long)_ramend >> 20); | ||
532 | if (bfin_read_IMEM_CONTROL() & (ENICPLB | IMC)) | ||
533 | seq_printf(m, "I-CACHE:\tON\n"); | ||
534 | else | ||
535 | seq_printf(m, "I-CACHE:\tOFF\n"); | ||
536 | if ((bfin_read_DMEM_CONTROL()) & (ENDCPLB | DMC_ENABLE)) | ||
537 | seq_printf(m, "D-CACHE:\tON" | ||
538 | #if defined CONFIG_BFIN_WB | ||
539 | " (write-back)" | ||
540 | #elif defined CONFIG_BFIN_WT | ||
541 | " (write-through)" | ||
542 | #endif | ||
543 | "\n"); | ||
544 | else | ||
545 | seq_printf(m, "D-CACHE:\tOFF\n"); | ||
546 | |||
547 | 523 | ||
524 | seq_printf(m, "processor\t: %d\n" | ||
525 | "vendor_id\t: %s\n" | ||
526 | "cpu family\t: 0x%x\n" | ||
527 | "model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK)\n" | ||
528 | "stepping\t: %d\n", | ||
529 | 0, | ||
530 | vendor, | ||
531 | (bfin_read_CHIPID() & CHIPID_FAMILY), | ||
532 | cpu, cclk/1000000, sclk/1000000, | ||
533 | revid); | ||
534 | |||
535 | seq_printf(m, "cpu MHz\t\t: %lu.%03lu/%lu.%03lu\n", | ||
536 | cclk/1000000, cclk%1000000, | ||
537 | sclk/1000000, sclk%1000000); | ||
538 | seq_printf(m, "bogomips\t: %lu.%02lu\n" | ||
539 | "Calibration\t: %lu loops\n", | ||
540 | (loops_per_jiffy * HZ) / 500000, | ||
541 | ((loops_per_jiffy * HZ) / 5000) % 100, | ||
542 | (loops_per_jiffy * HZ)); | ||
543 | |||
544 | /* Check Cache configutation */ | ||
548 | switch (bfin_read_DMEM_CONTROL() & (1 << DMC0_P | 1 << DMC1_P)) { | 545 | switch (bfin_read_DMEM_CONTROL() & (1 << DMC0_P | 1 << DMC1_P)) { |
549 | case ACACHE_BSRAM: | 546 | case ACACHE_BSRAM: |
550 | seq_printf(m, "DBANK-A:\tCACHE\n" "DBANK-B:\tSRAM\n"); | 547 | strcpy(cache, "dbank-A/B\t: cache/sram"); |
551 | dcache_size = 16; | 548 | dcache_size = 16; |
552 | dsup_banks = 1; | 549 | dsup_banks = 1; |
553 | break; | 550 | break; |
554 | case ACACHE_BCACHE: | 551 | case ACACHE_BCACHE: |
555 | seq_printf(m, "DBANK-A:\tCACHE\n" "DBANK-B:\tCACHE\n"); | 552 | strcpy(cache, "dbank-A/B\t: cache/cache"); |
556 | dcache_size = 32; | 553 | dcache_size = 32; |
557 | dsup_banks = 2; | 554 | dsup_banks = 2; |
558 | break; | 555 | break; |
559 | case ASRAM_BSRAM: | 556 | case ASRAM_BSRAM: |
560 | seq_printf(m, "DBANK-A:\tSRAM\n" "DBANK-B:\tSRAM\n"); | 557 | strcpy(cache, "dbank-A/B\t: sram/sram"); |
561 | dcache_size = 0; | 558 | dcache_size = 0; |
562 | dsup_banks = 0; | 559 | dsup_banks = 0; |
563 | break; | 560 | break; |
564 | default: | 561 | default: |
562 | strcpy(cache, "unknown"); | ||
563 | dcache_size = 0; | ||
564 | dsup_banks = 0; | ||
565 | break; | 565 | break; |
566 | } | 566 | } |
567 | 567 | ||
568 | /* Is it turned on? */ | ||
569 | if (!((bfin_read_DMEM_CONTROL()) & (ENDCPLB | DMC_ENABLE))) | ||
570 | dcache_size = 0; | ||
568 | 571 | ||
569 | seq_printf(m, "I-CACHE Size:\t%dKB\n", BFIN_ICACHESIZE / 1024); | 572 | seq_printf(m, "cache size\t: %d KB(L1 icache) " |
570 | seq_printf(m, "D-CACHE Size:\t%dKB\n", dcache_size); | 573 | "%d KB(L1 dcache-%s) %d KB(L2 cache)\n", |
571 | seq_printf(m, "I-CACHE Setup:\t%d Sub-banks/%d Ways, %d Lines/Way\n", | 574 | BFIN_ICACHESIZE / 1024, dcache_size, |
575 | #if defined CONFIG_BFIN_WB | ||
576 | "wb" | ||
577 | #elif defined CONFIG_BFIN_WT | ||
578 | "wt" | ||
579 | #endif | ||
580 | , 0); | ||
581 | |||
582 | seq_printf(m, "%s\n", cache); | ||
583 | |||
584 | seq_printf(m, "icache setup\t: %d Sub-banks/%d Ways, %d Lines/Way\n", | ||
572 | BFIN_ISUBBANKS, BFIN_IWAYS, BFIN_ILINES); | 585 | BFIN_ISUBBANKS, BFIN_IWAYS, BFIN_ILINES); |
573 | seq_printf(m, | 586 | seq_printf(m, |
574 | "D-CACHE Setup:\t%d Super-banks/%d Sub-banks/%d Ways, %d Lines/Way\n", | 587 | "dcache setup\t: %d Super-banks/%d Sub-banks/%d Ways, %d Lines/Way\n", |
575 | dsup_banks, BFIN_DSUBBANKS, BFIN_DWAYS, | 588 | dsup_banks, BFIN_DSUBBANKS, BFIN_DWAYS, |
576 | BFIN_DLINES); | 589 | BFIN_DLINES); |
577 | #ifdef CONFIG_BFIN_ICACHE_LOCK | 590 | #ifdef CONFIG_BFIN_ICACHE_LOCK |
@@ -625,6 +638,15 @@ static int show_cpuinfo(struct seq_file *m, void *v) | |||
625 | seq_printf(m, "No Ways are locked\n"); | 638 | seq_printf(m, "No Ways are locked\n"); |
626 | } | 639 | } |
627 | #endif | 640 | #endif |
641 | |||
642 | seq_printf(m, "board name\t: %s\n", name); | ||
643 | seq_printf(m, "board memory\t: %ld kB (0x%p -> 0x%p)\n", | ||
644 | physical_mem_end >> 10, (void *)0, (void *)physical_mem_end); | ||
645 | seq_printf(m, "kernel memory\t: %d kB (0x%p -> 0x%p)\n", | ||
646 | ((int)memory_end - (int)_stext) >> 10, | ||
647 | _stext, | ||
648 | (void *)memory_end); | ||
649 | |||
628 | return 0; | 650 | return 0; |
629 | } | 651 | } |
630 | 652 | ||