[Skiboot] [PATCH v9 01/25] OPAL: Add OPAL boot entry address to device tree

Vasant Hegde hegdevasant at linux.vnet.ibm.com
Fri Jul 12 21:17:38 AEST 2019


Needed for creating OPAL core file.

Sample output:
--------------
  sys/firmware/devicetree/base/ibm,opal # lsprop
  ...
  opal-boot-address
		 00000000 30002560
  ...

Signed-off-by: Vasant Hegde <hegdevasant at linux.vnet.ibm.com>
---
 core/opal.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/opal.c b/core/opal.c
index 650811642..73b87caa6 100644
--- a/core/opal.c
+++ b/core/opal.c
@@ -1,4 +1,4 @@
-/* Copyright 2013-2014 IBM Corp.
+/* Copyright 2013-2019 IBM Corp.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -384,6 +384,7 @@ void add_opal_node(void)
 {
 	uint64_t base, entry, size;
 	extern uint32_t opal_entry;
+	extern uint32_t boot_entry;
 	struct dt_node *opal_event;
 
 	/* XXX TODO: Reorg this. We should create the base OPAL
@@ -413,6 +414,7 @@ void add_opal_node(void)
 	dt_add_property_cells(opal_node, "opal-msg-size", OPAL_MSG_SIZE);
 	dt_add_property_u64(opal_node, "opal-base-address", base);
 	dt_add_property_u64(opal_node, "opal-entry-address", entry);
+	dt_add_property_u64(opal_node, "opal-boot-address", (uint64_t)&boot_entry);
 	dt_add_property_u64(opal_node, "opal-runtime-size", size);
 
 	/* Add irqchip interrupt controller */
-- 
2.14.3



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