google/kahlee: Rename board_id to memory_sku

The GPIOs used in board_id are meant to indicate the memory
configuration. Rename board_id to memory_skus.

Report the board_id received from the EC.

BUG=b:69649438

Change-Id: I84bacead3daf829c97f595c4c11a243953243c29
Signed-off-by: Marc Jones <marcj303@gmail.com>
Reviewed-on: https://review.coreboot.org/22561
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>

src/mainboard/google/kahlee/Kconfig

@@ -20,6 +20,7 @@ config BOARD_GOOGLE_BASEBOARD_KAHLEE
 	select BOARD_ROMSIZE_KB_8192 if BOARD_GOOGLE_KAHLEE
 	select DRIVERS_PS2_KEYBOARD
 	select EC_GOOGLE_CHROMEEC
+	select EC_GOOGLE_CHROMEEC_BOARDID
 	select EC_GOOGLE_CHROMEEC_LPC
 	select HAVE_OPTION_TABLE
 	select HAVE_ACPI_TABLES

src/mainboard/google/kahlee/Makefile.inc

@@ -19,12 +19,10 @@ bootblock-y += bootblock/OemCustomize.c
 bootblock-y += ec.c
 
 romstage-y += BiosCallOuts.c
-romstage-y += boardid.c
 romstage-y += chromeos.c
 romstage-y += OemCustomize.c
 
 ramstage-y += BiosCallOuts.c
-ramstage-y += boardid.c
 ramstage-y += chromeos.c
 ramstage-y += ec.c
 ramstage-y += OemCustomize.c

src/mainboard/google/kahlee/boardid.c

@@ -1,32 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 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 <boardid.h>
-#include <console/console.h>
-#include <gpio.h>
-#include <variant/gpio.h>
-#include <baseboard/variants.h>
-
-uint8_t board_id(void)
-{
-	MAYBE_STATIC int id = -1;
-
-	if (id < 0) {
-		id = variant_board_id();
-		printk(BIOS_SPEW, "Board ID: %#x.\n", id);
-	}
-
-	return id;
-}

src/mainboard/google/kahlee/mainboard.c

@@ -20,6 +20,7 @@
 #include <amd_pci_util.h>
 #include <cbmem.h>
 #include <baseboard/variants.h>
+#include <boardid.h>
 #include <soc/nvs.h>
 #include <soc/smi.h>
 #include <variant/ec.h>
@@ -86,6 +87,9 @@ static void mainboard_init(void *chip_info)
 {
 	const struct sci_source *gpes;
 	size_t num;
+	int boardid = board_id();
+
+	printk(BIOS_INFO, "Board ID: %d\n", boardid);
 
 	mainboard_ec_init();
 

src/mainboard/google/kahlee/variants/baseboard/include/baseboard/variants.h

@@ -23,6 +23,6 @@
 
 const GPIO_CONTROL *get_gpio_table(void);
 const struct sci_source *get_gpe_table(size_t *num);
-uint8_t variant_board_id(void);
+uint8_t variant_memory_sku(void);
 
 #endif /* __BASEBOARD_VARIANTS_H__ */

src/mainboard/google/kahlee/variants/baseboard/memory.c

@@ -17,7 +17,7 @@
 #include <baseboard/variants.h>
 #include <variant/gpio.h>
 
-uint8_t __attribute__((weak)) variant_board_id(void)
+uint8_t __attribute__((weak)) variant_memory_sku(void)
 {
 	gpio_t pads[] = {
 		[3] = MEM_CONFIG3,