platform: Add witherspoon

+----------------------------------------------------------------------+
|ooooooooooooooooooooooooo=+++:++++::::~:::::::+==ooooooooooooooooooooo|
|oooooooooooooooooooooo+++++++++++++:+:~...:++++:+==ooooooooooooooooooo|
|oooooooooooooooooooo++++=++==+++::~~~~   .~~+++++++=oooooooooooooooooo|
|oooooooooooooooooo+:++====+++::~..~~~~... .~:++++++++=oooooooooooooooo|
|oooooooooooooooo=::++=+=++++:~~~:::::~~..  ~:++++++=++=ooooooooooooooo|
|ooooooooooooooo=::+++++:++:::::+++:::~.....:++:+++++=++=oooooooooooooo|
|oooooooooooooo+~::+:+:::::~::+++++++:~~:++::+++::++++===oooooooooooooo|
|ooooooooooooo=:~:::::~:::::++++=+=+:::++++++:+++::++++====oooooooooooo|
|ooooooooooooo:~::~::~~:::::++=+=++::+=++++++:++=:::++++===oooooooooooo|
|oooooooooooo:~~~~~~~~~~:::+:++=+:++++++=+=+++++++:::+=+====ooooooooooo|
|ooooooooooo+~~~~~~~~:~~:::++++::+=+++==+++++:::=+::::+=+===ooooooooooo|
|oooooooooo=~~~:~~~~~~.~~:::++::++++++++++++++:++++::::+++==ooooooooooo|
|oooooooooo:~.~~~~~.~..~~::::::+++++++++++++++:::++:::::=====oooooooooo|
|ooooooooo+~..~:~....~.~~~~~~~~:+++++++::~~~~~::::++::::+==+=oooooo====|
|oooooooo+~~.~:~~.~..~~::~...  .~::+:+::~.    ..~::::~::++=:+=o=o=====o|
|ooooooo=~~..~:~~~  ~::~.     .~~~:+++::~~:. .. .~:::~~~++=:+===oooooo=|
|o=o==o=::~.~:::~~  :::+:~~~~~:::+:+=++:::::~~~:+++::~..:+=::+=====o==o|
|=======~~.~:::::  .~:++++++:::++++++++++++:++++++++:. .:++::+=o=======|
|==o====~~~~~:::.   .:::++++=+=+++:+++++++=+=+++++++: .~~+=:::=========|
|ooo=oo=:~~~:~::  ..~~~:::+++++++++=+=++++++=++++:+:..~~~:+:~:===o=o=oo|
|=o===o+:~~::~:.. ....~~~::+++++:~~:++::::++:+:+::+:  .:::++~:+=ooooooo|
|o=ooo=+:.::~~~. ...  .~~~:::::+:::~~~:::++++:::::::  ~::::=:~+=o=ooooo|
|ooo=o+++:~~~~... ..  .~~~::::+++++++++++++:::++::::  ~+:+:+~~:+o=oo=o=|
|o=o=++==:~~..~.   .   ~~~:::::~~~:~~~~~:~~:::+::::~ .:::::+~.:+=o==o=o|
|=o=+====:~.....        ~~~:::+:::~:::::::+++:::::~  .+:~:++.~~+=oooooo|
|====o==++:~.~~~...      .~~~~:::+::::::+:+:+::::.   :+:::+:.~:+=======|
|o=====+=+=+~~~~...       .~~:::::++++++++:+:::~ .  .::++::~:::+==o====|
|o==oo+=+=o=:::~~.        .~..~~:++:++++++::~~..~...::+++++::+++=====o=|
|=o====o=o=++::~.         .~~~...~::::::::~...~~~~.~:+++++++++++==o==o=|
|oo===oo=o=+:~~....       ~~~:~~~..........~~:::~~..:+++++++++===oooo=o|
|=o===oo=+::~~~..         ~~~::~~~~~~~~~~~~:~~::~~~~~+++++++++====ooooo|
|====++::~....... ..    ~~:::~::::::~~~~~~~:~::::~.. .=+++=+=+====o=oo=|
|==+:~~........  .. ...~:::::::::::::::~~::::::::~.  .~+==++=++o===o=oo|
|oo+..         ~~~~~:~::+::::::::::::::::::::::::~. ~:~~:=++=+==+==oooo|
|=+:~~.    .~~~:+::::+++:+::++::+:+:+:++:++:++:::~..+:.~::++++++++++==:|
+----------------------------------------------------------------------+

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>

platforms/astbmc/Makefile.inc

@@ -1,7 +1,11 @@
 SUBDIRS += $(PLATDIR)/astbmc
 
-ASTBMC_OBJS = palmetto.o habanero.o firestone.o p8dtu.o p8dnu.o \
-	      garrison.o barreleye.o pnor.o common.o slots.o zaius.o
+ASTBMC_OBJS = pnor.o common.o slots.o \
+	      palmetto.o habanero.o firestone.o \
+	      p8dtu.o p8dnu.o \
+	      garrison.o barreleye.o \
+	      witherspoon.o zaius.o
+
 ASTBMC = $(PLATDIR)/astbmc/built-in.o
 $(ASTBMC): $(ASTBMC_OBJS:%=$(PLATDIR)/astbmc/%)
 

platforms/astbmc/witherspoon.c

@@ -0,0 +1,55 @@
+/* Copyright 2017 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <skiboot.h>
+#include <device.h>
+#include <console.h>
+#include <chip.h>
+#include <ipmi.h>
+#include <psi.h>
+#include <npu-regs.h>
+
+#include "astbmc.h"
+
+static bool witherspoon_probe(void)
+{
+	if (!dt_node_is_compatible(dt_root, "ibm,witherspoon"))
+		return false;
+
+	/* Lot of common early inits here */
+	astbmc_early_init();
+
+	/* Setup UART for use by OPAL (Linux hvc) */
+	uart_set_console_policy(UART_CONSOLE_OPAL);
+
+	return true;
+}
+
+DECLARE_PLATFORM(witherspoon_platform) = {
+	.name			= "Witherspoon",
+	.probe			= witherspoon_probe,
+	.init			= astbmc_init,
+	.start_preload_resource	= flash_start_preload_resource,
+	.resource_loaded	= flash_resource_loaded,
+	.bmc			= NULL, /* FIXME: Add openBMC */
+	.pci_get_slot_info	= slot_table_get_slot_info,
+	.pci_probe_complete	= check_all_slot_table,
+	.cec_power_down         = astbmc_ipmi_power_down,
+	.cec_reboot             = astbmc_ipmi_reboot,
+	.elog_commit		= ipmi_elog_commit,
+	.exit			= ipmi_wdt_final_reset,
+	.terminate		= ipmi_terminate,
+};