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yaml
---
r: 71942
b: refs/heads/master
c: 73b0c0b
h: refs/heads/master
v: v3
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Robin Getz authored and Bryan Wu committed Oct 21, 2007
1 parent 85592da commit 193def3
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Showing 2 changed files with 62 additions and 40 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 4fb4524162daf8a0aa42cf150512fe24b6ae20cf
refs/heads/master: 73b0c0b0c1fa06acc3a02a58f301b0db0818d3d0
100 changes: 61 additions & 39 deletions trunk/arch/blackfin/kernel/setup.c
Original file line number Diff line number Diff line change
Expand Up @@ -498,7 +498,7 @@ EXPORT_SYMBOL(get_sclk);
*/
static int show_cpuinfo(struct seq_file *m, void *v)
{
char *cpu, *mmu, *fpu, *name;
char *cpu, *mmu, *fpu, *name, vendor[20], cache[30];
uint32_t revid;

u_long cclk = 0, sclk = 0;
Expand All @@ -513,65 +513,78 @@ static int show_cpuinfo(struct seq_file *m, void *v)
cclk = get_cclk();
sclk = get_sclk();

seq_printf(m, "CPU:\t\tADSP-%s Rev. 0.%d\n"
"MMU:\t\t%s\n"
"FPU:\t\t%s\n"
"Core Clock:\t%9lu Hz\n"
"System Clock:\t%9lu Hz\n"
"BogoMips:\t%lu.%02lu\n"
"Calibration:\t%lu loops\n",
cpu, revid, mmu, fpu,
cclk,
sclk,
(loops_per_jiffy * HZ) / 500000,
((loops_per_jiffy * HZ) / 5000) % 100,
(loops_per_jiffy * HZ));
seq_printf(m, "Board Name:\t%s\n", name);
seq_printf(m, "Board Memory:\t%ld MB\n", physical_mem_end >> 20);
seq_printf(m, "Kernel Memory:\t%ld MB\n", (unsigned long)_ramend >> 20);
if (bfin_read_IMEM_CONTROL() & (ENICPLB | IMC))
seq_printf(m, "I-CACHE:\tON\n");
else
seq_printf(m, "I-CACHE:\tOFF\n");
if ((bfin_read_DMEM_CONTROL()) & (ENDCPLB | DMC_ENABLE))
seq_printf(m, "D-CACHE:\tON"
#if defined CONFIG_BFIN_WB
" (write-back)"
#elif defined CONFIG_BFIN_WT
" (write-through)"
#endif
"\n");
else
seq_printf(m, "D-CACHE:\tOFF\n");

switch (bfin_read_CHIPID() & CHIPID_MANUFACTURE) {
case(0xca):
strcpy(vendor, "AnalogDevices");
break;
default:
strcpy(vendor, "unknown");
}

seq_printf(m, "processor\t: %d\n"
"vendor_id\t: %s\n"
"cpu family\t: 0x%x\n"
"model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK)\n"
"stepping\t: %d\n",
0,
vendor,
(bfin_read_CHIPID() & CHIPID_FAMILY),
cpu, cclk/1000000, sclk/1000000,
revid);

seq_printf(m, "cpu MHz\t\t: %lu.%03lu/%lu.%03lu\n",
cclk/1000000, cclk%1000000,
sclk/1000000, sclk%1000000);
seq_printf(m, "bogomips\t: %lu.%02lu\n"
"Calibration\t: %lu loops\n",
(loops_per_jiffy * HZ) / 500000,
((loops_per_jiffy * HZ) / 5000) % 100,
(loops_per_jiffy * HZ));

/* Check Cache configutation */
switch (bfin_read_DMEM_CONTROL() & (1 << DMC0_P | 1 << DMC1_P)) {
case ACACHE_BSRAM:
seq_printf(m, "DBANK-A:\tCACHE\n" "DBANK-B:\tSRAM\n");
strcpy(cache, "dbank-A/B\t: cache/sram");
dcache_size = 16;
dsup_banks = 1;
break;
case ACACHE_BCACHE:
seq_printf(m, "DBANK-A:\tCACHE\n" "DBANK-B:\tCACHE\n");
strcpy(cache, "dbank-A/B\t: cache/cache");
dcache_size = 32;
dsup_banks = 2;
break;
case ASRAM_BSRAM:
seq_printf(m, "DBANK-A:\tSRAM\n" "DBANK-B:\tSRAM\n");
strcpy(cache, "dbank-A/B\t: sram/sram");
dcache_size = 0;
dsup_banks = 0;
break;
default:
strcpy(cache, "unknown");
dcache_size = 0;
dsup_banks = 0;
break;
}

/* Is it turned on? */
if (!((bfin_read_DMEM_CONTROL()) & (ENDCPLB | DMC_ENABLE)))
dcache_size = 0;

seq_printf(m, "I-CACHE Size:\t%dKB\n", BFIN_ICACHESIZE / 1024);
seq_printf(m, "D-CACHE Size:\t%dKB\n", dcache_size);
seq_printf(m, "I-CACHE Setup:\t%d Sub-banks/%d Ways, %d Lines/Way\n",
seq_printf(m, "cache size\t: %d KB(L1 icache) "
"%d KB(L1 dcache-%s) %d KB(L2 cache)\n",
BFIN_ICACHESIZE / 1024, dcache_size,
#if defined CONFIG_BFIN_WB
"wb"
#elif defined CONFIG_BFIN_WT
"wt"
#endif
, 0);

seq_printf(m, "%s\n", cache);

seq_printf(m, "icache setup\t: %d Sub-banks/%d Ways, %d Lines/Way\n",
BFIN_ISUBBANKS, BFIN_IWAYS, BFIN_ILINES);
seq_printf(m,
"D-CACHE Setup:\t%d Super-banks/%d Sub-banks/%d Ways, %d Lines/Way\n",
"dcache setup\t: %d Super-banks/%d Sub-banks/%d Ways, %d Lines/Way\n",
dsup_banks, BFIN_DSUBBANKS, BFIN_DWAYS,
BFIN_DLINES);
#ifdef CONFIG_BFIN_ICACHE_LOCK
Expand Down Expand Up @@ -625,6 +638,15 @@ static int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "No Ways are locked\n");
}
#endif

seq_printf(m, "board name\t: %s\n", name);
seq_printf(m, "board memory\t: %ld kB (0x%p -> 0x%p)\n",
physical_mem_end >> 10, (void *)0, (void *)physical_mem_end);
seq_printf(m, "kernel memory\t: %d kB (0x%p -> 0x%p)\n",
((int)memory_end - (int)_stext) >> 10,
_stext,
(void *)memory_end);

return 0;
}

Expand Down

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