/* * This code is derived from the Opteron boards' debug.c. * It should go away either there or here, depending what fits better. */ static void dump_spd_registers(const struct mem_controller *ctrl) { int i; printk(BIOS_DEBUG, "\n"); for(i = 0; i < 4; i++) { unsigned device; device = ctrl->channel0[i]; if (device) { int j; printk(BIOS_DEBUG, "dimm: %02x.0: %02x", i, device); for(j = 0; j < 256; j++) { int status; unsigned char byte; if ((j & 0xf) == 0) printk(BIOS_DEBUG, "\n%02x: ", j); status = spd_read_byte(device, j); if (status < 0) { printk(BIOS_DEBUG, "bad device\n"); break; } byte = status & 0xff; printk(BIOS_DEBUG, "%02x ", byte); } printk(BIOS_DEBUG, "\n"); } device = ctrl->channel1[i]; if (device) { int j; printk(BIOS_DEBUG, "dimm: %02x.1: %02x", i, device); for(j = 0; j < 256; j++) { int status; unsigned char byte; if ((j & 0xf) == 0) printk(BIOS_DEBUG, "\n%02x: "); status = spd_read_byte(device, j); if (status < 0) { printk(BIOS_DEBUG, "bad device\n"); break; } byte = status & 0xff; printk(BIOS_DEBUG, "%02x ", byte); } printk(BIOS_DEBUG, "\n"); } } } #if 0 void dump_spd_registers(void) { unsigned device; device = SMBUS_MEM_DEVICE_START; printk(BIOS_DEBUG, "\n"); while(device <= SMBUS_MEM_DEVICE_END) { int status = 0; int i; printk(BIOS_DEBUG, "dimm %02x", device); for(i = 0; (i < 256) && (status == 0); i++) { unsigned char byte; if ((i % 20) == 0) { printk(BIOS_DEBUG, "\n%3d: ", i); } status = smbus_read_byte(device, i, &byte); if (status != 0) { printk(BIOS_DEBUG, "bad device\n"); continue; } printk(BIOS_DEBUG, "%02x ", byte); } device += SMBUS_MEM_DEVICE_INC; printk(BIOS_DEBUG, "\n"); } } #endif