mb/raptor-cs/talos-2: add basic mainboard structure

Change-Id: I0c4f74c7b27c8bb5599d68305adf369ddc6fcc70
Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Signed-off-by: Krystian Hebel <krystian.hebel@3mdeb.com>
Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67063
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>

src/mainboard/raptor-cs/Kconfig

@@ -0,0 +1,17 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+if VENDOR_RAPTOR_CS
+
+choice
+	prompt "Mainboard model"
+
+source "src/mainboard/raptor-cs/*/Kconfig.name"
+
+endchoice
+
+source "src/mainboard/raptor-cs/*/Kconfig"
+
+config MAINBOARD_VENDOR
+	default "Raptor Computing Systems"
+
+endif # VENDOR_RAPTOR_CS

src/mainboard/raptor-cs/Kconfig.name

@@ -0,0 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+config VENDOR_RAPTOR_CS
+	bool "Raptor Computing Systems"

src/mainboard/raptor-cs/talos-2/Kconfig

@@ -0,0 +1,37 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+if BOARD_RAPTOR_CS_TALOS_2
+
+config BOARD_SPECIFIC_OPTIONS
+	def_bool y
+	select CPU_POWER9
+	select SOC_IBM_POWER9
+	select BOARD_ROMSIZE_KB_512
+	select SUPERIO_ASPEED_AST2400
+	select BOOT_DEVICE_NOT_SPI_FLASH
+	select MISSING_BOARD_RESET
+	select HAVE_DEBUG_RAM_SETUP
+
+config MEMLAYOUT_LD_FILE
+	default "src/mainboard/\$(CONFIG_MAINBOARD_DIR)/memlayout.ld"
+
+config MAINBOARD_DIR
+	default "raptor-cs/talos-2"
+
+config MAINBOARD_PART_NUMBER
+	default "Talos II"
+
+config DIMM_MAX
+	default 8
+
+config DIMM_SPD_SIZE
+	default 512
+
+config MAX_CPUS
+	default 1
+
+config DRAM_SIZE_MB
+	int
+	default 32768
+
+endif #  BOARD_RAPTOR_CS_TALOS_2

src/mainboard/raptor-cs/talos-2/Kconfig.name

@@ -0,0 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+config BOARD_RAPTOR_CS_TALOS_2
+	bool "Talos II"

src/mainboard/raptor-cs/talos-2/board_info.txt

@@ -0,0 +1,2 @@
+Board name: Raptor CS Talos II
+Category: desktop

src/mainboard/raptor-cs/talos-2/devicetree.cb

@@ -0,0 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+chip soc/ibm/power9
+	device cpu_cluster 0 on end
+end

src/mainboard/raptor-cs/talos-2/mainboard.c

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#include <device/device.h>
+
+static void mainboard_enable(struct device *dev)
+{
+	if (!dev)
+		die("No dev0; die\n");
+}
+
+struct chip_operations mainboard_ops = {
+	.enable_dev = mainboard_enable,
+};

src/mainboard/raptor-cs/talos-2/memlayout.ld

@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <memlayout.h>
+
+#include <arch/header.ld>
+
+// TODO: fill in these blanks for Power9.
+SECTIONS
+{
+	DRAM_START(0x0)
+	BOOTBLOCK(0, 64K)
+	ROMSTAGE(0x120000, 128K)
+	STACK(0x140000, 0x3ff00)
+	PRERAM_CBMEM_CONSOLE(0x180000, 8K)
+	FMAP_CACHE(0x182000, 2K)
+	CBFS_MCACHE(0x182800, 8K)
+	RAMSTAGE(0x200000, 16M)
+}