PCH_R_BAR_AUXC
uint8_t val = pchsmbus_read8(pch, PCH_R_BAR_AUXC);
pchsmbus_write8(pch, PCH_R_BAR_AUXC, val);
uint8_t val = pchsmbus_read8(pch, PCH_R_BAR_AUXC);
pchsmbus_write8(pch, PCH_R_BAR_AUXC, val);
uint8_t val = pchsmbus_read8(pch, PCH_R_BAR_AUXC);
pchsmbus_write8(pch, PCH_R_BAR_AUXC, val);