On Thu, Apr 05, 2018 at 11:41:28AM +0530, Raghuram Chary J wrote: Hi Raghuram
> + fprintf(stdout, "PHY Registers:\n"); > + fprintf(stdout, "--------------\n"); > + fprintf(stdout, "Mode Control = 0x%04X\n", *lan78xx_reg++); > + fprintf(stdout, "Mode Status = 0x%04X\n", *lan78xx_reg++); > + fprintf(stdout, "Device identifier1 = 0x%04X\n", *lan78xx_reg++); > + fprintf(stdout, "Device identifier2 = 0x%04X\n", *lan78xx_reg++); > + fprintf(stdout, "Auto-Neg Advertisement = 0x%04X\n", > + *lan78xx_reg++); > + fprintf(stdout, "Auto-Neg Link Partner Ability = 0x%04X\n", > + *lan78xx_reg++); > + fprintf(stdout, "Auto-Neg Expansion = 0x%04X\n", *lan78xx_reg++); > + fprintf(stdout, "Auto-Neg Next Page TX = 0x%04X\n", *lan78xx_reg++); > + fprintf(stdout, "Auto-Neg Link Partner Next Page RX = 0x%04X\n", > + *lan78xx_reg++); > + fprintf(stdout, "1000BASE-T Control = 0x%04X\n", *lan78xx_reg++); > + fprintf(stdout, "1000BASE-T Status = 0x%04X\n", *lan78xx_reg++); > + fprintf(stdout, "Reserved = 0x%04X\n", *lan78xx_reg++); > + fprintf(stdout, "Reserved = 0x%04X\n", *lan78xx_reg++); > + fprintf(stdout, "MMD Access Control = 0x%04X\n", *lan78xx_reg++); > + fprintf(stdout, "MMD Access Address/Data = 0x%04X\n", *lan78xx_reg++); Do the above registers conform to the normal MII definitions? Have you looked at the code in netsemi.c? Maybe a generic helper can be defined which dumps standard PHY registers? Andrew