1 files changed, 49 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/dimmSpd.c b/src/soc/amd/stoneyridge/dimmSpd.c
new file mode 100644
index 0000000000..80fe12db0c
--- /dev/null
+++ b/src/soc/amd/stoneyridge/dimmSpd.c
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 - 2016 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <device/pci_def.h>
+#include <device/device.h>
+#include <stdlib.h>
+
+/* warning: Porting.h includes an open #pragma pack(1) */
+#include <Porting.h>
+#include <AGESA.h>
+#include <amdlib.h>
+#include "chip.h"
+#include <dimmSpd.h>
+
+AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PARAMS *info)
+{
+	int spdAddress;
+	DEVTREE_CONST struct device *dev = dev_find_slot(0, PCI_DEVFN(0x18, 2));
+	DEVTREE_CONST struct soc_amd_stoneyridge_config *config = dev->chip_info;
+
+	if ((dev == 0) || (config == 0))
+		return AGESA_ERROR;
+	if (info->SocketId >= ARRAY_SIZE(config->spdAddrLookup))
+		return AGESA_ERROR;
+	if (info->MemChannelId >= ARRAY_SIZE(config->spdAddrLookup[0]))
+		return AGESA_ERROR;
+	if (info->DimmId >= ARRAY_SIZE(config->spdAddrLookup[0][0]))
+		return AGESA_ERROR;
+	spdAddress = config->spdAddrLookup
+		[info->SocketId] [info->MemChannelId] [info->DimmId];
+	if (spdAddress == 0)
+		return AGESA_ERROR;
+	int err = hudson_readSpd(spdAddress, (void *) info->Buffer, 128);
+	if (err)
+		return AGESA_ERROR;
+	return AGESA_SUCCESS;
+}