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authorSascha Hauer <s.hauer@pengutronix.de>2011-09-23 10:39:35 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2011-09-23 16:32:49 +0200
commitfbd855d7f5995514644135e7ea88cee73350001d (patch)
tree51d002310f47de2ab0c53790c568676383e36bbb /common/memory.c
parentb4e4684958002255b311e27cb6b0b7fec7bf471e (diff)
downloadbarebox-fbd855d7f5995514644135e7ea88cee73350001d.tar.gz
introduce generic memory bank handling
On arm we have the concept of memory banks which can be registered and iterated over. This is useful for other architectures aswell, so add some generic infrastructure for this. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common/memory.c')
-rw-r--r--common/memory.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/common/memory.c b/common/memory.c
index 8f4a768..4d59f15 100644
--- a/common/memory.c
+++ b/common/memory.c
@@ -21,6 +21,7 @@
*/
#include <common.h>
+#include <memory.h>
/*
* Begin and End of memory area for malloc(), and current "brk"
@@ -69,3 +70,20 @@ void *sbrk(ptrdiff_t increment)
return old;
}
+
+LIST_HEAD(memory_banks);
+
+void barebox_add_memory_bank(const char *name, resource_size_t start,
+ resource_size_t size)
+{
+ struct memory_bank *bank = xzalloc(sizeof(*bank));
+ struct device_d *dev;
+
+ dev = add_mem_device(name, start, size, IORESOURCE_MEM_WRITEABLE);
+
+ bank->dev = dev;
+ bank->start = start;
+ bank->size = size;
+
+ list_add_tail(&bank->list, &memory_banks);
+}