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