mb/starlabs/starlite_adl: Make the memory speed configurable

The memory used in the StarLite Mk V supports 5500MT/s through 7500MT/s.
Intel recommends 5500MT/s for stability, but let the user make up their
own mind.

Change-Id: Ie77d3be122478d5e674f92f8085930ae38ff2de1
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84635
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Maxim Polyakov <max.senia.poliak@gmail.com>

src/mainboard/starlabs/starlite_adl/cmos.default

@@ -8,6 +8,7 @@ debug_level=Debug
 vtd=Enable
 power_profile=Balanced
 me_state=Disable
+memory_speed=5500
 # Devices
 wireless=Enable
 webcam=Enable

src/mainboard/starlabs/starlite_adl/cmos.layout

@@ -24,6 +24,7 @@ entries
 416	2	e	5	power_profile
 424	1	e	4	me_state
 432	4	h	0	me_state_counter
+440	2	e	8	memory_speed
 
 # coreboot config options: Devices
 504	1	e	1	wireless
@@ -78,6 +79,10 @@ enumerations
 7	1	0.5C
 7	2	0.2C
 
+8	0	5500MT/s
+8	1	6400MT/s
+8	2	7500MT/s
+
 # -----------------------------------------------------------------
 checksums
 

src/mainboard/starlabs/starlite_adl/spd/Makefile.mk

@@ -1,3 +1,5 @@
 ## SPDX-License-Identifier: GPL-2.0-only
 
-SPD_SOURCES = mt62f2g64d8
+SPD_SOURCES = mt62f2g64d8-5500
+SPD_SOURCES += mt62f2g64d8-6400
+SPD_SOURCES += mt62f2g64d8-7500

src/mainboard/starlabs/starlite_adl/spd/mt62f2g64d8-5500.spd.hex

@@ -0,0 +1,32 @@
+23 10 15 0E 16 22 F9 08 00 00 00 00 0A 01 00 00
+00 00 0C 00 00 00 00 00 AF 00 90 A8 90 C0 08 60
+04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 CE 00 D3 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

src/mainboard/starlabs/starlite_adl/spd/mt62f2g64d8-6400.spd.hex

@@ -0,0 +1,32 @@
+23 10 15 0E 16 22 F9 08 00 00 00 00 0A 01 00 00
+00 00 0A 00 00 00 00 00 AA 00 90 A8 90 C0 08 60
+04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

src/mainboard/starlabs/starlite_adl/variants/mk_v/romstage.c

@@ -93,7 +93,7 @@ void mainboard_memory_init_params(FSPM_UPD *mupd)
 
 	const struct mem_spd lpddr5_spd_info = {
 		.topo = MEM_TOPO_MEMORY_DOWN,
-		.cbfs_index = 0,
+		.cbfs_index = get_uint_option("memory_speed", 0),
 	};
 
 	memcfg_init(mupd, &mem_config, &lpddr5_spd_info, half_populated);