- Initial checkin of the freebios2 tree
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@784 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/sdram/generic_dump_spd.c b/src/sdram/generic_dump_spd.c
new file mode 100644
index 0000000..27f1844
--- /dev/null
+++ b/src/sdram/generic_dump_spd.c
@@ -0,0 +1,25 @@
+void dump_spd_registers(void)
+{
+ unsigned device;
+ device = SMBUS_MEM_DEVICE_START;
+ printk_debug("\n");
+ while(device <= SMBUS_MEM_DEVICE_END) {
+ int status = 0;
+ int i;
+ printk_debug("dimm %02x", device);
+ for(i = 0; (i < 256) && (status == 0); i++) {
+ unsigned char byte;
+ if ((i % 20) == 0) {
+ printk_debug("\n%3d: ", i);
+ }
+ status = smbus_read_byte(device, i, &byte);
+ if (status != 0) {
+ printk_debug("bad device\n");
+ continue;
+ }
+ printk_debug("%02x ", byte);
+ }
+ device += SMBUS_MEM_DEVICE_INC;
+ printk_debug("\n");
+ }
+}
diff --git a/src/sdram/generic_sdram.c b/src/sdram/generic_sdram.c
new file mode 100644
index 0000000..be5ae87
--- /dev/null
+++ b/src/sdram/generic_sdram.c
@@ -0,0 +1,35 @@
+void sdram_no_memory(void)
+{
+ print_err("No memory!!\r\n");
+ while(1) {
+ hlt();
+ }
+}
+
+/* Setup SDRAM */
+void sdram_initialize(void)
+{
+ print_debug("Ram1\r\n");
+ /* Set the registers we can set once to reasonable values */
+ sdram_set_registers();
+
+ print_debug("Ram2\r\n");
+ /* Now setup those things we can auto detect */
+ sdram_set_spd_registers();
+
+ print_debug("Ram3\r\n");
+ /* Now that everything is setup enable the SDRAM.
+ * Some chipsets do the work for use while on others
+ * we need to it by hand.
+ */
+ sdram_enable();
+
+ print_debug("Ram4\r\n");
+ sdram_first_normal_reference();
+
+ print_debug("Ram5\r\n");
+ sdram_enable_refresh();
+ sdram_special_finishup();
+
+ print_debug("Ram6\r\n");
+}