void
cpu_attach(struct device *dv)
{
int usearmfpe;
usearmfpe = 1; /* when compiled in, its enabled by default */
curcpu()->ci_dev = dv;
evcnt_attach_dynamic(&curcpu()->ci_arm700bugcount, EVCNT_TYPE_MISC,
NULL, dv->dv_xname, "arm700swibug");
/* Get the cpu ID from coprocessor 15 */
curcpu()->ci_cpuid = cpu_id();
curcpu()->ci_cputype = curcpu()->ci_cpuid & CPU_ID_CPU_MASK;
curcpu()->ci_cpurev = curcpu()->ci_cpuid & CPU_ID_REVISION_MASK;
identify_arm_cpu(dv, curcpu());
if (curcpu()->ci_cputype == CPU_ID_SA110 && curcpu()->ci_cpurev < 3) {
printf("%s: SA-110 with bugged STM^ instruction\n",
dv->dv_xname);
}
#ifdef CPU_ARM8
if ((curcpu()->ci_cpuid & CPU_ID_CPU_MASK) == CPU_ID_ARM810) {
int clock = arm8_clock_config(0, 0);
char *fclk;
printf("%s: ARM810 cp15=%02x", dv->dv_xname, clock);
printf(" clock:%s", (clock & 1) ? " dynamic" : "");
printf("%s", (clock & 2) ? " sync" : "");
switch ((clock >> 2) & 3) {
case 0:
fclk = "bus clock";
break;
case 1:
fclk = "ref clock";
break;
case 3:
fclk = "pll";
break;
default:
fclk = "illegal";
break;
}
printf(" fclk source=%s\n", fclk);
}
void
cpu_attach(struct device *dv)
{
curcpu()->ci_dev = dv;
/* Get the CPU ID from coprocessor 15 */
curcpu()->ci_arm_cpuid = cpu_id();
curcpu()->ci_arm_cputype = curcpu()->ci_arm_cpuid & CPU_ID_CPU_MASK;
curcpu()->ci_arm_cpurev =
curcpu()->ci_arm_cpuid & CPU_ID_REVISION_MASK;
identify_arm_cpu(dv, curcpu());
vfp_init();
}
void
cpu_attach(struct device *dv)
{
curcpu()->ci_dev = dv;
/* Get the CPU ID from coprocessor 15 */
curcpu()->ci_arm_cpuid = cpu_id();
curcpu()->ci_arm_cputype = curcpu()->ci_arm_cpuid & CPU_ID_CPU_MASK;
curcpu()->ci_arm_cpurev =
curcpu()->ci_arm_cpuid & CPU_ID_REVISION_MASK;
identify_arm_cpu(dv, curcpu());
#ifdef CPU_ARM8
if ((curcpu()->ci_arm_cpuid & CPU_ID_CPU_MASK) == CPU_ID_ARM810) {
int clock = arm8_clock_config(0, 0);
char *fclk;
aprint_normal("%s: ARM810 cp15=%02x", dv->dv_xname, clock);
aprint_normal(" clock:%s", (clock & 1) ? " dynamic" : "");
aprint_normal("%s", (clock & 2) ? " sync" : "");
switch ((clock >> 2) & 3) {
case 0:
fclk = "bus clock";
break;
case 1:
fclk = "ref clock";
break;
case 3:
fclk = "pll";
break;
default:
fclk = "illegal";
break;
}
aprint_normal(" fclk source=%s\n", fclk);
}
/**
* arm_processor_identify
*
* Print out information about the currently executing processor.
*/
void arm_processor_identify(void)
{
get_cachetype_cp15();
identify_arm_cpu();
}