lemp13: make sure to configure GPP_E11 in romstage

Change-Id: Iea28473c3a1dcf05e7c6701d61109b413cd04501
Signed-off-by: Jeremy Soller <jackpot51@gmail.com>

src/mainboard/system76/mtl/Makefile.mk

@@ -17,4 +17,4 @@ ramstage-y += variants/$(VARIANT_DIR)/gpio.c
 ramstage-y += variants/$(VARIANT_DIR)/ramstage.c
 ramstage-$(CONFIG_DRIVERS_I2C_TAS5825M) += variants/$(VARIANT_DIR)/tas5825m.c
 
-SPD_SOURCES = samsung-M425R1GB4BB0-CQKOD
+SPD_SOURCES = samsung-M425R1GB4BB0-CQKOD samsung-M425R1GB4PB0-CWMOD

src/mainboard/system76/mtl/spd/samsung-M425R1GB4BB0-CQKOD.spd.hex

@@ -62,4 +62,4 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 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/system76/mtl/spd/samsung-M425R1GB4PB0-CWMOD.spd.hex

@@ -0,0 +1,65 @@
+# Samsung M425R1GB4PB0-CWMOD
+30 10 12 03 04 00 40 42 00 00 00 00 B0 02 09 00
+00 00 00 00 65 01 F2 03 7A AD 00 00 00 00 80 3E
+80 3E 80 3E 00 7D 80 BB 30 75 27 01 A0 00 82 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 88 13 08 88 13 08 20 4E 20 10
+27 10 CD 37 28 10 27 10 C4 09 04 4C 1D 0C 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+10 00 80 B3 80 21 80 B3 82 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 0F 01 02 81 00 22 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 5E 9B
+80 CE 00 00 00 00 00 00 00 4D 34 32 35 52 31 47
+42 34 50 42 30 2D 43 57 4D 4F 44 20 20 20 20 20
+20 20 20 20 20 20 20 00 80 CE 50 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 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/system76/mtl/variants/lemp13/gpio.c

@@ -109,7 +109,7 @@ static const struct pad_config gpio_table[] = {
 	PAD_CFG_GPO(GPP_E08, 0, PLTRST),
 	PAD_CFG_GPI(GPP_E09, NONE, DEEP),
 	PAD_CFG_GPO(GPP_E10, 0, PLTRST),
-	PAD_CFG_GPI(GPP_E11, NONE, DEEP),
+	PAD_CFG_GPI(GPP_E11, NONE, DEEP), // BOARD_ID1
 	_PAD_CFG_STRUCT(GPP_E12, 0x84002200, 0x0000),
 	_PAD_CFG_STRUCT(GPP_E13, 0x44002100, 0x0000),
 	PAD_CFG_NF(GPP_E14, NONE, DEEP, NF1),

src/mainboard/system76/mtl/variants/lemp13/gpio_early.c

@@ -6,6 +6,7 @@
 static const struct pad_config early_gpio_table[] = {
 	PAD_CFG_NF(GPP_C00, NONE, DEEP, NF1), // SMB_CLK
 	PAD_CFG_NF(GPP_C01, NONE, DEEP, NF1), // SMB_DATA
+	PAD_CFG_GPI(GPP_E11, NONE, DEEP), // BOARD_ID1
 	PAD_CFG_NF(GPP_H08, NONE, DEEP, NF1), // UART0_RX
 	PAD_CFG_NF(GPP_H09, NONE, DEEP, NF1), // UART0_TX
 };

src/mainboard/system76/mtl/variants/lemp13/romstage.c

@@ -1,8 +1,19 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <soc/gpio.h>
 #include <soc/meminit.h>
 #include <soc/romstage.h>
 
+static size_t get_spd_index(void)
+{
+	// BOARD_ID1 is high if 5600 MT/s and low if 4800 MT/s
+	if (gpio_get(GPP_E11)) {
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
 void mainboard_memory_init_params(FSPM_UPD *mupd)
 {
 	const struct mb_cfg board_cfg = {
@@ -12,7 +23,7 @@ void mainboard_memory_init_params(FSPM_UPD *mupd)
 	};
 	const struct mem_spd spd_info = {
 		.topo = MEM_TOPO_MIXED,
-		.cbfs_index = 0,
+		.cbfs_index = get_spd_index(),
 		.smbus[1] = { .addr_dimm[0] = 0x52, },
 	};
 	const bool half_populated = false;