mainboard/opencellular/elgon: Add mainboard support

Tested on Elgon EVT board and boots into GNU/Linux.

TODO:
* Add hard reset function for VBOOT.
* Add EC code
* Add SPI flash write protection

Change-Id: I9b809306cc48facbade5dc63846c4532b397e0b5
Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org>
Reviewed-on: https://review.coreboot.org/28024
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>

1 files changed, 210 insertions, 0 deletions

diff --git a/src/mainboard/opencellular/elgon/devicetree.cb b/src/mainboard/opencellular/elgon/devicetree.cb
new file mode 100644
index 0000000000..07d508a8b3
--- /dev/null
+++ b/src/mainboard/opencellular/elgon/devicetree.cb
@@ -0,0 +1,210 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright 2017-present Facebook, Inc.
+##
+## 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.
+##
+
+chip soc/cavium/cn81xx
+	device cpu_cluster 0 on end
+
+	device domain 0 on
+		chip soc/cavium/common/pci
+			register "secure" = "0"
+			device pci 01.0 on # PCI bridge
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 00.0 on end # MRML
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 00.1 on end # RESET
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 00.2 on end # DAP
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 00.3 on end # MDIO
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 00.4 on end # FUSE
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 01.2 on end # SGPIO
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 01.3 on end # SMI
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 01.4 on end # MMC
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 01.5 on end # KEY
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 01.6 on end # BOOT BUS
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 01.7 on end # PBUS
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 02.0 on end # XCV
+				end
+				device pci 04.0 on end
+
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 06.0 on end # L2C-TAD
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 07.0 on end # L2C-CBC
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 07.4 on end # L2C-MCI
+				end
+
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 08.0 on end # UUA0
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 08.1 on end # UUA1
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 08.2 off end # UUA2
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 08.3 off end # UUA3
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 08.4 on end # VRM
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 09.0 on end # I2C0
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 09.1 on end # I2C1
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 0a.0 on end # PCC Bridge
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 0b.0 on end # IOBN
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 0c.0 on end # OCLA0
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 0c.1 on end # OCLA1
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 0d.0 on end
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 0e.0 on end # PCIe0
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 0e.1 on end # PCIe1
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 0e.2 on end # PCIe2
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 10.0 on end # bgx0
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 10.1 off end # bgx1
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 11.0 on end # rgx0
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "0"
+					device pci 12.0 on end # MAC
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 1c.0 on end # GSER0
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 1c.1 on end # GSER1
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 1c.2 on end # GSER2
+				end
+				chip soc/cavium/common/pci
+					register "secure" = "1"
+					device pci 1c.3 on end # GSER3
+				end
+			end
+			chip soc/cavium/common/pci
+				register "secure" = "1"
+				device pci 02.0 on end #SMMU
+			end
+			chip soc/cavium/common/pci
+				register "secure" = "1"
+				device pci 03.0 on end #GIC
+			end
+			chip soc/cavium/common/pci
+				register "secure" = "1"
+				device pci 04.0 on end #GTI
+			end
+
+			device pci 05.0 on end # NIC
+			device pci 06.0 on end # GPIO
+			device pci 07.0 on end # SPI
+			device pci 08.0 on end # MIO
+			device pci 09.0 on end # PCI bridge
+			device pci 0a.0 on end # PCI bridge
+			device pci 0b.0 on end # NFC
+			device pci 0c.0 on end # PCI bridge
+			device pci 0d.0 on end # PCM
+			device pci 0e.0 on end # VRM
+			device pci 0f.0 on end # PCI bridge
+
+			device pci 10.0 on end # USB0
+			device pci 11.0 on end # USB1
+			device pci 16.0 on end # SATA0
+			device pci 17.0 on end # SATA1
+		end
+	end
+end