4 files changed, 644 insertions, 0 deletions
diff --git a/src/mainboard/scaleway/tagada/spd/Makefile.inc b/src/mainboard/scaleway/tagada/spd/Makefile.inc
new file mode 100644
index 0000000000..38d5046138
--- /dev/null
+++ b/src/mainboard/scaleway/tagada/spd/Makefile.inc
@@ -0,0 +1,38 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2013 Google Inc.
+## Copyright (C) 2015 - 2017 Intel Corporation.
+##
+## 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.
+##
+
+romstage-y += spd.c
+
+SPD_BIN = $(obj)/spd.bin
+
+# Order matters for SPD sources. The following indices
+# define the SPD data to use.
+SPD_SOURCES = micron_4GiB_dimm_MTA9ASF51272PZ-2G1A2
+
+SPD_DEPS := $(foreach f, $(SPD_SOURCES), src/mainboard/$(MAINBOARDDIR)/spd/$(f).spd.hex)
+
+# Include spd rom data
+$(SPD_BIN): $(SPD_DEPS)
+	for f in $+; \
+	  do for c in $$(cat $$f | grep -v ^#); \
+	    do echo -e -n "\\x$$c"; \
+	  done; \
+	done > $@
+
+cbfs-files-y += spd.bin
+spd.bin-file := $(SPD_BIN)
+spd.bin-position := $(CONFIG_SPD_LOC)
+spd.bin-type := spd
diff --git a/src/mainboard/scaleway/tagada/spd/micron_4GiB_dimm_MTA9ASF51272PZ-2G1A2.spd.hex b/src/mainboard/scaleway/tagada/spd/micron_4GiB_dimm_MTA9ASF51272PZ-2G1A2.spd.hex
new file mode 100644
index 0000000000..4abad8dd32
--- /dev/null
+++ b/src/mainboard/scaleway/tagada/spd/micron_4GiB_dimm_MTA9ASF51272PZ-2G1A2.spd.hex
@@ -0,0 +1,513 @@
+#DDR4_4GB_RDIMM_Micron_MTA9ASF51272PZ-2G1A2.txt
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diff --git a/src/mainboard/scaleway/tagada/spd/spd.c b/src/mainboard/scaleway/tagada/spd/spd.c
new file mode 100644
index 0000000000..37f4424684
--- /dev/null
+++ b/src/mainboard/scaleway/tagada/spd/spd.c
@@ -0,0 +1,58 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ * Copyright (C) 2015 - 2017 Intel Corporation.
+ *
+ * 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 <arch/byteorder.h>
+#include <cbfs.h>
+#include <console/console.h>
+#include <string.h>
+
+#include "spd.h"
+
+/* Get SPD data for on-board memory */
+uint8_t *mainboard_find_spd_data()
+{
+	uint8_t *spd_data;
+	int spd_index;
+	size_t spd_file_len;
+	char *spd_file;
+
+	spd_index = 0;
+
+	spd_file = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD,
+					   &spd_file_len);
+	if (!spd_file)
+		die("SPD data not found.");
+
+	if (spd_file_len < ((spd_index + 1) * SPD_LEN)) {
+		printk(BIOS_ERR,
+		       "SPD index override to 0 due to incorrect SPD index.\n");
+		spd_index = 0;
+	}
+
+	if (spd_file_len < SPD_LEN)
+		die("Missing SPD data.");
+
+	/* Assume same memory in both channels */
+	spd_index *= SPD_LEN;
+	spd_data = (uint8_t *)(spd_file + spd_index);
+
+	/* Make sure a valid SPD was found */
+	if (spd_data[0] == 0)
+		die("Invalid SPD data.");
+
+	return spd_data;
+}
diff --git a/src/mainboard/scaleway/tagada/spd/spd.h b/src/mainboard/scaleway/tagada/spd/spd.h
new file mode 100644
index 0000000000..13692d7433
--- /dev/null
+++ b/src/mainboard/scaleway/tagada/spd/spd.h
@@ -0,0 +1,35 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ * Copyright (C) 2015 - 2017 Intel Corporation.
+ *
+ * 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.
+ *
+ */
+
+#ifndef MAINBOARD_SPD_H
+#define MAINBOARD_SPD_H
+
+#define SPD_LEN 512
+
+#define SPD_DRAM_TYPE 2
+#define SPD_DRAM_DDR3 0x0b
+#define SPD_DRAM_LPDDR3 0xf1
+#define SPD_DENSITY_BANKS 4
+#define SPD_ADDRESSING 5
+#define SPD_ORGANIZATION 7
+#define SPD_BUS_DEV_WIDTH 8
+#define SPD_PART_OFF 128
+#define SPD_PART_LEN 18
+
+uint8_t *mainboard_find_spd_data(void);
+
+#endif