msm: smd: add support for non-default shared memory areas
Add support via platform data to access shared data in shared memory
regions outside of the default shared memory region. Provide bounds
checking when instructed to use a non-default shared memory region.
Change-Id: I48e6b272c7a2c51644b363a0e2212bbedcaa8c14
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
diff --git a/arch/arm/mach-msm/smd_private.h b/arch/arm/mach-msm/smd_private.h
index 3464140..6ffd5d2 100644
--- a/arch/arm/mach-msm/smd_private.h
+++ b/arch/arm/mach-msm/smd_private.h
@@ -44,8 +44,9 @@
unsigned allocated;
unsigned offset;
unsigned size;
- unsigned reserved;
+ unsigned reserved; /* bits 1:0 reserved, bits 31:2 aux smem base addr */
};
+#define BASE_ADDR_MASK 0xfffffffc
struct smem_proc_comm {
unsigned command;