[Skiboot] [PATCH] core/init: Add hdat-map property to OPAL node

[Matt Brown]

From: Matt Brown <brownmatt1997 at gmail.com>

Exports the HDAT heap to the OS. This allows the OS to view the HDAT heap
directly.  This allows us to view the HDAT area without having to use
getmemproc.

Signed-off-by: Matt Brown <matthew.brown.dev at gmail.com>
---
 core/opal.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/opal.c b/core/opal.c
index 6087e65..bcf463f 100644
--- a/core/opal.c
+++ b/core/opal.c
@@ -169,6 +169,10 @@ void add_opal_node(void)
 	dt_add_property_u64(opal_node, "opal-entry-address", entry);
 	dt_add_property_u64(opal_node, "opal-runtime-size", size);
 
+	/* Add HDAT property to node */
+	dt_add_property_u64s(opal_node, "hdat-map", SPIRA_HEAP_BASE,
+				SPIRA_HEAP_SIZE);
+
 	/* Add irqchip interrupt controller */
 	opal_event = dt_new(opal_node, "event");
 	dt_add_property_strings(opal_event, "compatible", "ibm,opal-event");
-- 
2.9.3