Blackfin arch: Extend sram malloc to handle L2 SRAM.

Extend system call to alloc L2 SRAM in application.
Automatically move following sections to L2 SRAM:
1. kernel built-in l2 attribute section
2. kernel module l2 attribute section
3. elf-fdpic application l2 attribute section

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/asm-blackfin/elf.h b/include/asm-blackfin/elf.h
index 30303fc8292c..67a03a8a353e 100644
--- a/include/asm-blackfin/elf.h
+++ b/include/asm-blackfin/elf.h
@@ -15,6 +15,8 @@
 #define EF_BFIN_FDPIC           0x00000002      /* -mfdpic */
 #define EF_BFIN_CODE_IN_L1      0x00000010      /* --code-in-l1 */
 #define EF_BFIN_DATA_IN_L1      0x00000020      /* --data-in-l1 */
+#define EF_BFIN_CODE_IN_L2      0x00000040      /* --code-in-l2 */
+#define EF_BFIN_DATA_IN_L2      0x00000080      /* --data-in-l2 */
 
 typedef unsigned long elf_greg_t;