在 2017年12月29日星期五 CST 下午5:35:51，Jun Nie 写道： > Hi Bernhard, > > Resend this mail with CCing mail list so that more people can see this > issue and may have answer. Also correct register access code I use as > I send wrong version code in last mail. > > I see sunxi-tool patch a3ce5f9f and you also mentioned that writing value is > OK with register based method in google group. Do you have eFuse writing > code that works? I can write OEM_PROGRAM and THERMAL_SENSOR with below > code. But when I write ROTPK_HASH, eFuse is not changed.
Could you try to check the value of ROTPK_HASH with the "read by register" way? > > https://linux-sunxi.org/SID_Register_Guide#eFUSE > > 151 iowrite32be(val, sid->base + SUN8I_SID_PRKEY); > 152 /* Set word, lock access, and set read command */ > 153 reg_val = (offset & SUN8I_SID_OFFSET_MASK) > 154 << SUN8I_SID_OFFSET_SHIFT; > 155 writel(reg_val, sid->base + SUN8I_SID_PRCTL); > 156 reg_val |= SUN8I_SID_OP_LOCK | SUN8I_SID_WRITE; > 157 writel(reg_val, sid->base + SUN8I_SID_PRCTL); > 158 > 159 ret = readl_poll_timeout(sid->base + SUN8I_SID_PRCTL, reg_val, > 160 !(reg_val & SUN8I_SID_WRITE), 100, > 250000); 161 if (ret) > 162 return ret; > 163 > 164 writel(0, sid->base + SUN8I_SID_PRCTL); > > Best Regards. > Jun -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
