1 files changed, 67 insertions, 0 deletions
diff --git a/src/lib/generic_sdram.c b/src/lib/generic_sdram.c
new file mode 100644
index 0000000000..cdb06cd73f
--- /dev/null
+++ b/src/lib/generic_sdram.c
@@ -0,0 +1,67 @@
+
+#ifndef RAMINIT_SYSINFO
+        #define RAMINIT_SYSINFO 0
+#endif
+
+static inline void print_debug_sdram_8(const char *strval, uint32_t val)
+{
+#if CONFIG_USE_INIT
+        printk_debug("%s%02x\r\n", strval, val);
+#else
+        print_debug(strval); print_debug_hex8(val); print_debug("\r\n");
+#endif
+}
+
+void sdram_no_memory(void)
+{
+	print_err("No memory!!\r\n");
+	while(1) { 
+		hlt(); 
+	}
+}
+
+/* Setup SDRAM */
+#if RAMINIT_SYSINFO == 1
+void sdram_initialize(int controllers, const struct mem_controller *ctrl, void *sysinfo)
+#else
+void sdram_initialize(int controllers, const struct mem_controller *ctrl)
+#endif
+{
+	int i;
+	/* Set the registers we can set once to reasonable values */
+	for(i = 0; i < controllers; i++) {
+		print_debug_sdram_8("Ram1.",i);
+
+	#if RAMINIT_SYSINFO == 1
+		sdram_set_registers(ctrl + i , sysinfo);
+	#else
+		sdram_set_registers(ctrl + i);
+	#endif
+	}
+
+	/* Now setup those things we can auto detect */
+	for(i = 0; i < controllers; i++) {
+                print_debug_sdram_8("Ram2.",i);
+
+	#if RAMINIT_SYSINFO == 1
+		sdram_set_spd_registers(ctrl + i , sysinfo);
+	#else
+                sdram_set_spd_registers(ctrl + i);
+	#endif
+
+	}
+
+	/* Now that everything is setup enable the SDRAM.
+	 * Some chipsets do the work for us while on others 
+	 * we need to it by hand.
+	 */
+	print_debug("Ram3\r\n");
+
+	#if RAMINIT_SYSINFO == 1
+	sdram_enable(controllers, ctrl, sysinfo);
+	#else
+	sdram_enable(controllers, ctrl);
+	#endif
+
+	print_debug("Ram4\r\n");
+}