asus/p2b: Transform into variant-enabled structure

Get ready to squash all the ASUS i440BX boards together.

Change-Id: Ibc9bfa4fc5b582bf658215bda298523e8ee7b36b
Signed-off-by: Keith Hui <buurin@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38621
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

4 files changed, 51 insertions, 46 deletions

diff --git a/src/mainboard/asus/p2b/Kconfig b/src/mainboard/asus/p2b/Kconfig
index f55b3a6d46..a9a9b82985 100644
--- a/src/mainboard/asus/p2b/Kconfig
+++ b/src/mainboard/asus/p2b/Kconfig
@@ -29,10 +29,14 @@ config MAINBOARD_DIR
 
 config MAINBOARD_PART_NUMBER
 	string
-	default "P2B"
+	default "P2B" if BOARD_ASUS_P2B
+
+config VARIANT_DIR
+	string
+	default "p2b" if BOARD_ASUS_P2B
 
 config IRQ_SLOT_COUNT
 	int
 	default 6
 
-endif # BOARD_ASUS_P2B
+endif
diff --git a/src/mainboard/asus/p2b/Makefile.inc b/src/mainboard/asus/p2b/Makefile.inc
new file mode 100644
index 0000000000..640396eea4
--- /dev/null
+++ b/src/mainboard/asus/p2b/Makefile.inc
@@ -0,0 +1 @@
+ramstage-$(CONFIG_GENERATE_PIRQ_TABLE) += variants/$(VARIANT_DIR)/irq_tables.c
diff --git a/src/mainboard/asus/p2b/irq_tables.c b/src/mainboard/asus/p2b/irq_tables.c
index 4601f0850e..e69de29bb2 100644
--- a/src/mainboard/asus/p2b/irq_tables.c
+++ b/src/mainboard/asus/p2b/irq_tables.c
@@ -1,44 +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 <arch/pirq_routing.h>
-
-static const struct irq_routing_table intel_irq_routing_table = {
-	PIRQ_SIGNATURE,
-	PIRQ_VERSION,
-	32 + 16 * CONFIG_IRQ_SLOT_COUNT,/* Max. number of devices on the bus */
-	0x00,			/* Interrupt router bus */
-	(0x04 << 3) | 0x0,	/* Interrupt router device */
-	0,			/* IRQs devoted exclusively to PCI usage */
-	0x8086,			/* Vendor */
-	0x122e,			/* Device */
-	0,			/* Miniport data */
-	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
-	0x54,			/* Checksum */
-	{
-		/* bus,       dev|fn,   {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap},  slot, rfu */
-		{0x00,(0x0c << 3)|0x0, {{0x60, 0x1eb8}, {0x61, 0x1eb8}, {0x62, 0x1eb8}, {0x63, 0x01eb8}}, 0x1, 0x0},
-		{0x00,(0x0b << 3)|0x0, {{0x61, 0x1eb8}, {0x62, 0x1eb8}, {0x63, 0x1eb8}, {0x60, 0x01eb8}}, 0x2, 0x0},
-		{0x00,(0x0a << 3)|0x0, {{0x62, 0x1eb8}, {0x63, 0x1eb8}, {0x60, 0x1eb8}, {0x61, 0x01eb8}}, 0x3, 0x0},
-		{0x00,(0x09 << 3)|0x0, {{0x63, 0x1eb8}, {0x60, 0x1eb8}, {0x61, 0x1eb8}, {0x62, 0x01eb8}}, 0x4, 0x0},
-		{0x00,(0x04 << 3)|0x0, {{0x60, 0x1eb8}, {0x61, 0x1eb8}, {0x62, 0x1eb8}, {0x63, 0x01eb8}}, 0x0, 0x0},
-		{0x00,(0x01 << 3)|0x0, {{0x60, 0x1eb8}, {0x61, 0x1eb8}, {0x62, 0x1eb8}, {0x63, 0x01eb8}}, 0x0, 0x0},
-	}
-};
-
-unsigned long write_pirq_routing_table(unsigned long addr)
-{
-	return copy_pirq_routing_table(addr, &intel_irq_routing_table);
-}
diff --git a/src/mainboard/asus/p2b/variants/p2b/irq_tables.c b/src/mainboard/asus/p2b/variants/p2b/irq_tables.c
new file mode 100644
index 0000000000..4601f0850e
--- /dev/null
+++ b/src/mainboard/asus/p2b/variants/p2b/irq_tables.c
@@ -0,0 +1,44 @@
+/*
+ * 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 <arch/pirq_routing.h>
+
+static const struct irq_routing_table intel_irq_routing_table = {
+	PIRQ_SIGNATURE,
+	PIRQ_VERSION,
+	32 + 16 * CONFIG_IRQ_SLOT_COUNT,/* Max. number of devices on the bus */
+	0x00,			/* Interrupt router bus */
+	(0x04 << 3) | 0x0,	/* Interrupt router device */
+	0,			/* IRQs devoted exclusively to PCI usage */
+	0x8086,			/* Vendor */
+	0x122e,			/* Device */
+	0,			/* Miniport data */
+	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
+	0x54,			/* Checksum */
+	{
+		/* bus,       dev|fn,   {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap},  slot, rfu */
+		{0x00,(0x0c << 3)|0x0, {{0x60, 0x1eb8}, {0x61, 0x1eb8}, {0x62, 0x1eb8}, {0x63, 0x01eb8}}, 0x1, 0x0},
+		{0x00,(0x0b << 3)|0x0, {{0x61, 0x1eb8}, {0x62, 0x1eb8}, {0x63, 0x1eb8}, {0x60, 0x01eb8}}, 0x2, 0x0},
+		{0x00,(0x0a << 3)|0x0, {{0x62, 0x1eb8}, {0x63, 0x1eb8}, {0x60, 0x1eb8}, {0x61, 0x01eb8}}, 0x3, 0x0},
+		{0x00,(0x09 << 3)|0x0, {{0x63, 0x1eb8}, {0x60, 0x1eb8}, {0x61, 0x1eb8}, {0x62, 0x01eb8}}, 0x4, 0x0},
+		{0x00,(0x04 << 3)|0x0, {{0x60, 0x1eb8}, {0x61, 0x1eb8}, {0x62, 0x1eb8}, {0x63, 0x01eb8}}, 0x0, 0x0},
+		{0x00,(0x01 << 3)|0x0, {{0x60, 0x1eb8}, {0x61, 0x1eb8}, {0x62, 0x1eb8}, {0x63, 0x01eb8}}, 0x0, 0x0},
+	}
+};
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+	return copy_pirq_routing_table(addr, &intel_irq_routing_table);
+}