src/mainboard: Add Star Labs labtop series

Add support for LabTop Mk III (kblr) and LabTop Mk IV (cml)

Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: Iffa6061b0e600880b0c93746f35b1731e4841e31
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55128
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>

6 files changed, 169 insertions, 0 deletions

diff --git a/src/mainboard/starlabs/labtop/spd/Makefile.inc b/src/mainboard/starlabs/labtop/spd/Makefile.inc
new file mode 100644
index 0000000000..9e7f4e377e
--- /dev/null
+++ b/src/mainboard/starlabs/labtop/spd/Makefile.inc
@@ -0,0 +1,21 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+# Schematics for this platform show Samsung K4A8G165WB-BCRC devices
+# which are 8Gb, 2400Mbps 512Mx16 devices.
+#
+# The hardware platforms used for testing are fitted with a Micron part
+# which has the FBGA identifier "D9ZFW".  The identification tool at
+# https://www.micron.com/support/tools-and-utilities/fbga identifies
+# this as the MT40A1G16KD-062E:E.  These are 16Gb, 1Gx16 devices.
+#
+# We have defined both SPD options below.
+SPD_SOURCES = empty_ddr4			# 0b0000
+SPD_SOURCES += micron-MT40A1G16KD-062E-E	# 0b0001
+SPD_SOURCES += empty_ddr4			# 0b0010
+SPD_SOURCES += empty_ddr4			# 0b0011
+SPD_SOURCES += empty_ddr4			# 0b0100
+SPD_SOURCES += empty_ddr4			# 0b0101
+SPD_SOURCES += samsung-K4A8G165WB-BCRC		# 0b0110
+SPD_SOURCES += samsung-K4A8G165WB-BCRC		# 0b0111
+
+LIB_SPD_DEPS = $(foreach f, $(SPD_SOURCES), src/mainboard/$(MAINBOARDDIR)/spd/$(f).spd.hex)
diff --git a/src/mainboard/starlabs/labtop/spd/empty_ddr4.spd.hex b/src/mainboard/starlabs/labtop/spd/empty_ddr4.spd.hex
new file mode 100644
index 0000000000..67b46cd239
--- /dev/null
+++ b/src/mainboard/starlabs/labtop/spd/empty_ddr4.spd.hex
@@ -0,0 +1,32 @@
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/mainboard/starlabs/labtop/spd/micron-MT40A1G16KD-062E-E.spd.hex b/src/mainboard/starlabs/labtop/spd/micron-MT40A1G16KD-062E-E.spd.hex
new file mode 100644
index 0000000000..17778473af
--- /dev/null
+++ b/src/mainboard/starlabs/labtop/spd/micron-MT40A1G16KD-062E-E.spd.hex
@@ -0,0 +1,33 @@
+# Micron MT40A1G16KD-062E:E
+23 11 0C 03 46 29 00 08  00 60 00 03 02 03 00 00
+00 00 05 0D F8 FF 2B 00  6E 6E 6E 11 00 6E F0 0A
+20 08 00 05 00 F0 2B 34  28 00 78 00 14 3C 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 9C B5  00 00 00 00 E7 00 7C A0
+0F 01 1F 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 21 7D
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+80 2C 00 00 00 00 00 00  00 4D 54 34 30 41 31 47
+31 36 4B 44 2D 30 36 32  45 3A 45 20 20 31 80 2C
+45 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
diff --git a/src/mainboard/starlabs/labtop/spd/samsung-K4A8G165WB-BCRC.spd.hex b/src/mainboard/starlabs/labtop/spd/samsung-K4A8G165WB-BCRC.spd.hex
new file mode 100644
index 0000000000..36b85a2035
--- /dev/null
+++ b/src/mainboard/starlabs/labtop/spd/samsung-K4A8G165WB-BCRC.spd.hex
@@ -0,0 +1,33 @@
+# K4A8G165WB-BCRC
+23 11 0C 03 45 21 00 08  00 60 00 03 02 03 00 00
+00 00 07 0D F8 0F 00 00  6E 6E 6E 11 00 6E F0 0A
+20 08 00 05 00 F0 2B 34  28 00 78 00 14 3C 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 16 36 0B 35
+16 36 0B 35 00 00 16 36  0B 35 16 36 0B 35 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 9C B5  00 00 00 00 E7 D6 0B E3
+0F 11 02 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 DB 08
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+80 CE 00 00 00 00 00 00  00 4D 34 37 31 41 35 32
+34 34 42 42 30 2D 43 52  43 20 20 20 20 00 80 CE
+FF 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
diff --git a/src/mainboard/starlabs/labtop/spd/spd.h b/src/mainboard/starlabs/labtop/spd/spd.h
new file mode 100644
index 0000000000..6cd94169f0
--- /dev/null
+++ b/src/mainboard/starlabs/labtop/spd/spd.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef MAINBOARD_SPD_H
+#define MAINBOARD_SPD_H
+
+#include <gpio.h>
+#include <variant/gpio.h>
+
+void mainboard_fill_dq_map_data(void *dq_map_ptr);
+void mainboard_fill_dqs_map_data(void *dqs_map_ptr);
+void mainboard_fill_rcomp_res_data(void *rcomp_ptr);
+void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr);
+#endif
diff --git a/src/mainboard/starlabs/labtop/spd/spd_util.c b/src/mainboard/starlabs/labtop/spd/spd_util.c
new file mode 100644
index 0000000000..7d23dfb293
--- /dev/null
+++ b/src/mainboard/starlabs/labtop/spd/spd_util.c
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <stdint.h>
+#include <string.h>
+
+#include "spd.h"
+
+void mainboard_fill_dq_map_data(void *dq_map_ptr)
+{
+	/* DQ byte map */
+	const u8 dq_map[2][12] = {
+		{0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0, 0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00},
+		{0x33, 0xCC, 0x00, 0xCC, 0x33, 0xCC, 0x33, 0x00, 0xFF, 0x00, 0xFF, 0x00} };
+	memcpy(dq_map_ptr, dq_map, sizeof(dq_map));
+}
+
+void mainboard_fill_dqs_map_data(void *dqs_map_ptr)
+{
+	/* DQS CPU<>DRAM map */
+	const u8 dqs_map[2][8] = {{0, 6, 3, 1, 5, 2, 7, 4}, {7, 5, 3, 6, 2, 4, 0, 1} };
+	memcpy(dqs_map_ptr, dqs_map, sizeof(dqs_map));
+}
+
+void mainboard_fill_rcomp_res_data(void *rcomp_ptr)
+{
+	/* Rcomp resistor */
+	const u16 RcompResistor[3] = {121, 81, 100};
+	memcpy(rcomp_ptr, RcompResistor, sizeof(RcompResistor));
+}
+
+void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr)
+{
+	/* Rcomp target */
+	static const u16 RcompTarget[5] = {100, 40, 20, 20, 26};
+
+	memcpy(rcomp_strength_ptr, RcompTarget, sizeof(RcompTarget));
+}