asus/p2b-ds: Transform into variant

TEST=build with BUILD_TIMELESS=1, binary does not change

Change-Id: I864f939a84ee9e90013ba9d3fcc8a7e4bf03e4ee
Signed-off-by: Keith Hui <buurin@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39904
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/asus/p2b-ds/Kconfig

@@ -1,45 +0,0 @@
-##
-## This file is part of the coreboot project.
-##
-##
-## 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.
-##
-if BOARD_ASUS_P2B_DS
-
-config BOARD_SPECIFIC_OPTIONS
-	def_bool y
-	select CPU_INTEL_SLOT_1
-	select NORTHBRIDGE_INTEL_I440BX
-	select SOUTHBRIDGE_INTEL_I82371EB
-	select SUPERIO_WINBOND_W83977TF
-	select HAVE_PIRQ_TABLE
-	select HAVE_MP_TABLE
-	select SMP
-	select IOAPIC
-	select BOARD_ROMSIZE_KB_256
-	select SDRAMPWR_4DIMM
-
-config MAINBOARD_DIR
-	string
-	default "asus/p2b-ds"
-
-config MAINBOARD_PART_NUMBER
-	string
-	default "P2B-DS"
-
-config IRQ_SLOT_COUNT
-	int
-	default 7
-
-config MAX_CPUS
-	int
-	default 2
-
-endif # BOARD_ASUS_P2B_DS

src/mainboard/asus/p2b-ds/Kconfig.name

@@ -1,2 +0,0 @@
-config BOARD_ASUS_P2B_DS
-	bool "P2B-DS"

src/mainboard/asus/p2b-ds/romstage.c

@@ -1,25 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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 <northbridge/intel/i440bx/raminit.h>
-#include <superio/winbond/common/winbond.h>
-#include <superio/winbond/w83977tf/w83977tf.h>
-
-#define SERIAL_DEV PNP_DEV(0x3f0, W83977TF_SP1)
-
-void mainboard_enable_serial(void)
-{
-	winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
-}

src/mainboard/asus/p2b/Kconfig

@@ -11,7 +11,7 @@
 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ## GNU General Public License for more details.
 ##
-if BOARD_ASUS_P2B || BOARD_ASUS_P2B_D || BOARD_ASUS_P2B_F || BOARD_ASUS_P2B_LS
+if BOARD_ASUS_P2B || BOARD_ASUS_P2B_D || BOARD_ASUS_P2B_DS || BOARD_ASUS_P2B_F || BOARD_ASUS_P2B_LS
 
 config BASE_ASUS_P2B_D
 	def_bool n
@@ -30,7 +30,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select BOARD_ROMSIZE_KB_256
 	select SDRAMPWR_4DIMM if BOARD_ASUS_P2B_LS
 	select HAVE_ACPI_TABLES if BOARD_ASUS_P2B || BOARD_ASUS_P2B_LS
-	select BASE_ASUS_P2B_D if BOARD_ASUS_P2B_D
+	select BASE_ASUS_P2B_D if BOARD_ASUS_P2B_D || BOARD_ASUS_P2B_DS
 
 config MAX_CPUS
 	int
@@ -44,6 +44,7 @@ config MAINBOARD_PART_NUMBER
 	string
 	default "P2B" if BOARD_ASUS_P2B
 	default "P2B-D" if BOARD_ASUS_P2B_D
+	default "P2B-DS" if BOARD_ASUS_P2B_DS
 	default "P2B-F" if BOARD_ASUS_P2B_F
 	default "P2B-LS" if BOARD_ASUS_P2B_LS
 
@@ -51,6 +52,7 @@ config VARIANT_DIR
 	string
 	default "p2b" if BOARD_ASUS_P2B
 	default "p2b-d" if BOARD_ASUS_P2B_D
+	default "p2b-ds" if BOARD_ASUS_P2B_DS
 	default "p2b-f" if BOARD_ASUS_P2B_F
 	default "p2b-ls" if BOARD_ASUS_P2B_LS
 
@@ -61,7 +63,7 @@ config DEVICETREE
 config IRQ_SLOT_COUNT
 	int
 	default 8 if BOARD_ASUS_P2B_LS
-	default 7 if BOARD_ASUS_P2B_F
+	default 7 if BOARD_ASUS_P2B_F || BOARD_ASUS_P2B_DS
 	default 6
 
 endif

src/mainboard/asus/p2b/Kconfig.name

@@ -4,6 +4,9 @@ config BOARD_ASUS_P2B
 config BOARD_ASUS_P2B_D
 	bool "P2B-D"
 
+config BOARD_ASUS_P2B_DS
+	bool "P2B-DS"
+
 config BOARD_ASUS_P2B_F
 	bool "P2B-F"