mainboard/intel: Add Little Plains

This adds a new mainboard: Little Plains for Intel's atom c2000
It was based on Mohon Peak board with some minor changes
This board is not available as standalone product
It is a managment board for
Intel Ethernet Multi-host Controller FM10000 Series
The FSP package is available from Intel: https://www.intel.com/fsp

Change-Id: I28127a858106ed35d26e235f0c6393c20ed14350
Signed-off-by: Marcin Wojciechowski <marcin.wojciechowski@intel.com>
Reviewed-on: https://review.coreboot.org/12503
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/src/mainboard/intel/littleplains/irq_tables.c b/src/mainboard/intel/littleplains/irq_tables.c
new file mode 100644
index 0000000000..538478d56f
--- /dev/null
+++ b/src/mainboard/intel/littleplains/irq_tables.c
@@ -0,0 +1,63 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
+ * Copyright (C) 2013, Intel Corporation.
+ *
+ * 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 <arch/pirq_routing.h>
+
+#define PIRQA 0x08
+#define PIRQB 0x09
+#define PIRQC 0x0a
+#define PIRQD 0x0b
+#define PIRQE 0x0c
+#define PIRQF 0x0d
+#define PIRQG 0x0e
+#define PIRQH 0x0f
+
+#define PCI_IRQS 0xDCF0
+
+const struct irq_routing_table intel_irq_routing_table = {
+	PIRQ_SIGNATURE,  /* u32 signature */
+	PIRQ_VERSION,    /* u16 version   */
+	32+16*CONFIG_IRQ_SLOT_COUNT,	 /* There can be total 18 devices on the bus */
+	0x00,		 /* Where the interrupt router lies (bus) */
+	(0x1f<<3)|0x0,   /* Where the interrupt router lies (dev) */
+	0,		 /* IRQs devoted exclusively to PCI usage */
+	0x8086,		 /* Vendor */
+	0x0F1C,		 /* Device */
+	0,		 /* miniport */
+	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
+	0x86,		 /* u8 checksum. */
+	{
+		/* bus,     dev|fn,   {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap},  slot, rfu */
+		{0x00,(0x01<<3)|0x0, {{PIRQA, PCI_IRQS}, {PIRQB, PCI_IRQS}, {PIRQC, PCI_IRQS}, {PIRQD, PCI_IRQS}}, 0x0, 0x0}, // PCIE Port 1: INTA-PIRQA, INTB-PIRQB, INTC-PIRQC, INTD-PIRQD
+		{0x00,(0x02<<3)|0x0, {{PIRQA, PCI_IRQS}, {PIRQB, PCI_IRQS}, {PIRQC, PCI_IRQS}, {PIRQD, PCI_IRQS}}, 0x0, 0x0}, // PCIE Port 2: INTA-PIRQA, INTB-PIRQB, INTC-PIRQC, INTD-PIRQD
+		{0x00,(0x03<<3)|0x0, {{PIRQE, PCI_IRQS}, {PIRQF, PCI_IRQS}, {PIRQG, PCI_IRQS}, {PIRQH, PCI_IRQS}}, 0x0, 0x0}, // PCIE Port 3: INTA-PIRQE, INTB-PIRQF, INTC-PIRQG, INTD-PIRQH
+		{0x00,(0x04<<3)|0x0, {{PIRQE, PCI_IRQS}, {PIRQF, PCI_IRQS}, {PIRQG, PCI_IRQS}, {PIRQH, PCI_IRQS}}, 0x0, 0x0}, // PCIE Port 4: INTA-PIRQE, INTB-PIRQF, INTC-PIRQG, INTD-PIRQH
+		{0x00,(0x0b<<3)|0x0, {{PIRQA, PCI_IRQS}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0}, // IQAT INTA-PIRQA
+		{0x00,(0x0f<<3)|0x0, {{PIRQA, PCI_IRQS}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0}, // RCEC INTA-PIRQA
+		{0x00,(0x13<<3)|0x0, {{PIRQA, PCI_IRQS}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0}, // SMBUS #1 INTA-PIRQA
+		{0x00,(0x14<<3)|0x0, {{PIRQE, PCI_IRQS}, {PIRQF, PCI_IRQS}, {PIRQG, PCI_IRQS}, {PIRQH, PCI_IRQS}}, 0x0, 0x0}, // GbE, INTA-PIRQE, INTB-PIRQF, INTC-PIRQG, INTD-PIRQH
+		{0x00,(0x16<<3)|0x0, {{PIRQH, PCI_IRQS}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0}, // EHCI INTA-PIRQH
+		{0x00,(0x17<<3)|0x0, {{PIRQD, PCI_IRQS}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0}, // SATA2 INTA-PIRQD
+		{0x00,(0x18<<3)|0x0, {{PIRQD, PCI_IRQS}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0}, // SATA3 INTA-PIRQD
+		{0x00,(0x1f<<3)|0x0, {{0x00, 0x0000}, {PIRQC, PCI_IRQS}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0}, // LPC/SMBUS #0 INTB - PIRQC
+	}
+};
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+	return copy_pirq_routing_table(addr, &intel_irq_routing_table);
+}