[PATCH 01/13] ARM: OMAP5: id: Add cpu id for ES versions

R, Sricharan r.sricharan at ti.com
Thu May 10 07:22:00 EDT 2012


Hi Roger,

>> +void __init omap5xxx_check_revision(void)
>> +{
>> +     u32 idcode;
>> +     u16 hawkeye;
>> +     u8 rev;
>> +
>> +     idcode = read_tap_reg(OMAP_TAP_IDCODE);
>> +     hawkeye = (idcode >> 12) & 0xffff;
>> +     rev = (idcode >> 28) & 0xff;
>> +     switch (hawkeye) {
>> +     case 0xb942:
>> +             switch (rev) {
>> +             case 0:
>> +                     omap_revision = OMAP5430_REV_ES1_0;
>> +                     break;
>> +             case 1:
>> +                     omap_revision = OMAP5430_REV_ES2_0;
>> +                     break;
>> +             default:
>> +                     omap_revision = OMAP5430_REV_ES1_0;
>
> Default should always be the latest version supported. i.e. in this case
> it should be OMAP5430_REV_ES2_0
>
 ok thanks, will correct it.

Thanks,
 Sricharan



More information about the linux-arm-kernel mailing list