1 files changed, 47 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/dimm_spd.c b/src/soc/amd/stoneyridge/dimm_spd.c
new file mode 100644
index 0000000000..13fd72fe25
--- /dev/null
+++ b/src/soc/amd/stoneyridge/dimm_spd.c
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 - 2017 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 <agesawrapper.h>
+#include <device/pci_def.h>
+#include <device/device.h>
+#include <soc/pci_devs.h>
+#include <stdlib.h>
+#include "chip.h"
+#include <amdblocks/dimm_spd.h>
+
+AGESA_STATUS AmdMemoryReadSPD(UINT32 unused1, UINTN unused2,
+						AGESA_READ_SPD_PARAMS *info)
+{
+	uint8_t spd_address;
+	DEVTREE_CONST struct device *dev = dev_find_slot(0, DCT_DEVFN);
+	DEVTREE_CONST struct soc_amd_stoneyridge_config *conf = dev->chip_info;
+
+	if ((dev == 0) || (conf == 0))
+		return AGESA_ERROR;
+	if (info->SocketId >= ARRAY_SIZE(conf->spd_addr_lookup))
+		return AGESA_ERROR;
+	if (info->MemChannelId >= ARRAY_SIZE(conf->spd_addr_lookup[0]))
+		return AGESA_ERROR;
+	if (info->DimmId >= ARRAY_SIZE(conf->spd_addr_lookup[0][0]))
+		return AGESA_ERROR;
+	spd_address = conf->spd_addr_lookup
+		[info->SocketId][info->MemChannelId][info->DimmId];
+	if (spd_address == 0)
+		return AGESA_ERROR;
+	int err = sb_read_spd(spd_address, (void *)info->Buffer, 128);
+	if (err)
+		return AGESA_ERROR;
+	return AGESA_SUCCESS;
+}