- Initial checkin of the freebios2 tree

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@784 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

2 files changed, 60 insertions, 0 deletions

diff --git a/src/sdram/generic_dump_spd.c b/src/sdram/generic_dump_spd.c
new file mode 100644
index 0000000000..27f1844d3c
--- /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 0000000000..be5ae87407
--- /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");
+}