asus/p2b-ls: Transform into variant

Boot tested on hardware.

Change-Id: I24afd67dada135a8c2597f5ac1c7e91ce43897c9
Signed-off-by: Keith Hui <buurin@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39901
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

3 files changed, 114 insertions, 0 deletions

diff --git a/src/mainboard/asus/p2b/variants/p2b-ls/board_info.txt b/src/mainboard/asus/p2b/variants/p2b-ls/board_info.txt
new file mode 100644
index 0000000000..21bf26e5ef
--- /dev/null
+++ b/src/mainboard/asus/p2b/variants/p2b-ls/board_info.txt
@@ -0,0 +1,7 @@
+Category: desktop
+Board URL: ftp://ftp.asus.com.tw/pub/ASUS/mb/slot1/440bx/p2b-ls/
+ROM package: DIP32
+ROM protocol: Parallel
+ROM socketed: y
+Flashrom support: y
+Release year: 1998
diff --git a/src/mainboard/asus/p2b/variants/p2b-ls/devicetree.cb b/src/mainboard/asus/p2b/variants/p2b-ls/devicetree.cb
new file mode 100644
index 0000000000..a9901b4198
--- /dev/null
+++ b/src/mainboard/asus/p2b/variants/p2b-ls/devicetree.cb
@@ -0,0 +1,58 @@
+chip northbridge/intel/i440bx		# Northbridge
+  device cpu_cluster 0 on		# APIC cluster
+    chip cpu/intel/slot_1		# CPU
+      device lapic 0 on end		# APIC
+    end
+  end
+  device domain 0 on		# PCI domain
+    device pci 0.0 on end		# Host bridge
+    device pci 1.0 on end		# PCI/AGP bridge
+    chip southbridge/intel/i82371eb	# Southbridge
+      device pci 4.0 on			# ISA bridge
+        chip superio/winbond/w83977tf	# Super I/O (FIXME: It's W83977EF!)
+          device pnp 3f0.0 on		# Floppy
+            io 0x60 = 0x3f0
+            irq 0x70 = 6
+            drq 0x74 = 2
+          end
+          device pnp 3f0.1 on		# Parallel port
+            io 0x60 = 0x378
+            irq 0x70 = 7
+          end
+          device pnp 3f0.2 on		# COM1
+            io 0x60 = 0x3f8
+            irq 0x70 = 4
+          end
+          device pnp 3f0.3 on		# COM2 / IR
+            io 0x60 = 0x2f8
+            irq 0x70 = 3
+          end
+          device pnp 3f0.5 on		# PS/2 keyboard
+            io 0x60 = 0x60
+            io 0x62 = 0x64
+            irq 0x70 = 1		# PS/2 keyboard interrupt
+            irq 0x72 = 12		# PS/2 mouse interrupt
+          end
+          device pnp 3f0.7 on		# GPIO 1
+          end
+          device pnp 3f0.8 on		# GPIO 2
+          end
+          device pnp 3f0.a off		# ACPI
+          end
+        end
+      end
+      device pci 4.1 on	end		# IDE
+      device pci 4.2 on	end		# USB
+      device pci 4.3 on end		# ACPI
+      device pci 6.0 on end             # Onboard SCSI
+      register "ide0_enable" = "1"
+      register "ide1_enable" = "1"
+      register "ide_legacy_enable" = "1"
+      # Enable UDMA/33 for higher speed if your IDE device(s) support it.
+      register "ide0_drive0_udma33_enable" = "0"
+      register "ide0_drive1_udma33_enable" = "0"
+      register "ide1_drive0_udma33_enable" = "0"
+      register "ide1_drive1_udma33_enable" = "0"
+    end
+  end
+end
diff --git a/src/mainboard/asus/p2b/variants/p2b-ls/irq_tables.c b/src/mainboard/asus/p2b/variants/p2b-ls/irq_tables.c
new file mode 100644
index 0000000000..b7536eb397
--- /dev/null
+++ b/src/mainboard/asus/p2b/variants/p2b-ls/irq_tables.c
@@ -0,0 +1,49 @@
+/*
+ * 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 */
+	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
+	0x10,			/* Checksum (has to be set to some value that
+				 * would give 0 after the sum of all bytes
+				 * for this structure (including 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, 0x1eb8}}, 0x1, 0x0},
+		{0x00, (0x0b << 3) | 0x0, {{0x61, 0x1eb8}, {0x62, 0x1eb8}, {0x63, 0x1eb8}, {0x60, 0x1eb8}}, 0x2, 0x0},
+		{0x00, (0x0a << 3) | 0x0, {{0x62, 0x1eb8}, {0x63, 0x1eb8}, {0x60, 0x1eb8}, {0x61, 0x1eb8}}, 0x3, 0x0},
+		{0x00, (0x09 << 3) | 0x0, {{0x63, 0x1eb8}, {0x60, 0x1eb8}, {0x61, 0x1eb8}, {0x62, 0x1eb8}}, 0x4, 0x0},
+		{0x00, (0x04 << 3) | 0x0, {{0x60, 0x1eb8}, {0x61, 0x1eb8}, {0x62, 0x1eb8}, {0x63, 0x1eb8}}, 0x0, 0x0},
+		{0x00, (0x01 << 3) | 0x0, {{0x60, 0x1eb8}, {0x61, 0x1eb8}, {0x62, 0x1eb8}, {0x63, 0x1eb8}}, 0x0, 0x0},
+		{0x00, (0x06 << 3) | 0x0, {{0x63, 0x1eb8}, {0x60, 0x1eb8}, {0x61, 0x1eb8}, {0x62, 0x1eb8}}, 0x0, 0x0},
+		{0x00, (0x07 << 3) | 0x0, {{0x62, 0x1eb8}, {0x63, 0x1eb8}, {0x60, 0x1eb8}, {0x61, 0x1eb8}}, 0x0, 0x0},
+	}
+};
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+	return copy_pirq_routing_table(addr, &intel_irq_routing_table);
+}