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path: root/src/sdram/generic_dump_spd.c
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Diffstat (limited to 'src/sdram/generic_dump_spd.c')
-rw-r--r--src/sdram/generic_dump_spd.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/sdram/generic_dump_spd.c b/src/sdram/generic_dump_spd.c
index 27f1844d3c..2a71353b60 100644
--- a/src/sdram/generic_dump_spd.c
+++ b/src/sdram/generic_dump_spd.c
@@ -1,3 +1,70 @@
+/*
+ * 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;
+ print_debug("\r\n");
+ for(i = 0; i < 4; i++) {
+ unsigned device;
+ device = ctrl->channel0[i];
+ if (device) {
+ int j;
+ print_debug("dimm: ");
+ print_debug_hex8(i);
+ print_debug(".0: ");
+ print_debug_hex8(device);
+ for(j = 0; j < 256; j++) {
+ int status;
+ unsigned char byte;
+ if ((j & 0xf) == 0) {
+ print_debug("\r\n");
+ print_debug_hex8(j);
+ print_debug(": ");
+ }
+ status = spd_read_byte(device, j);
+ if (status < 0) {
+ print_debug("bad device\r\n");
+ break;
+ }
+ byte = status & 0xff;
+ print_debug_hex8(byte);
+ print_debug_char(' ');
+ }
+ print_debug("\r\n");
+ }
+ device = ctrl->channel1[i];
+ if (device) {
+ int j;
+ print_debug("dimm: ");
+ print_debug_hex8(i);
+ print_debug(".1: ");
+ print_debug_hex8(device);
+ for(j = 0; j < 256; j++) {
+ int status;
+ unsigned char byte;
+ if ((j & 0xf) == 0) {
+ print_debug("\r\n");
+ print_debug_hex8(j);
+ print_debug(": ");
+ }
+ status = spd_read_byte(device, j);
+ if (status < 0) {
+ print_debug("bad device\r\n");
+ break;
+ }
+ byte = status & 0xff;
+ print_debug_hex8(byte);
+ print_debug_char(' ');
+ }
+ print_debug("\r\n");
+ }
+ }
+}
+
+#if 0
void dump_spd_registers(void)
{
unsigned device;
@@ -23,3 +90,4 @@ void dump_spd_registers(void)
printk_debug("\n");
}
}
+#endif