mambo: Don't probe ECID for DD1.0X on Mambo
SCOM doesn't exist, we end up in a sad place (machine check)
Fixes:
@@ -604,7 +604,9 @@ static void xscom_init_chip_info(struct proc_chip *chip)
* On P9 DD1.0, grab the ECID bits to differenciate
* DD1.01, 1.02 etc...
*/
- if (proc_gen == proc_gen_p9 && chip->ec_level == 0x10) {
+ if (chip_quirk(QUIRK_MAMBO_CALLOUTS)) {
+ chip->ec_rev = 0;
+ } else if (proc_gen == proc_gen_p9 && chip->ec_level == 0x10) {
uint64_t ecid2 = 0;
uint8_t rev;
xscom_read(chip->id, 0x18002, &ecid2);
