Blackfin: default to L1 bank A when L1 bank B does not exist

Some parts lack Bank B in L1 data, so have the linker script fall back to
Bank A when that happens.  This way we can still leverage L1 data.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/arch/blackfin/lib/u-boot.lds.S b/arch/blackfin/lib/u-boot.lds.S
index f15c97ed0cbbc4ba677be673a3467cf56b107210..2b8d285e1f420a52be8d99c1e1dbbb3e0ff2a7e1 100644 (file)
--- a/arch/blackfin/lib/u-boot.lds.S
+++ b/arch/blackfin/lib/u-boot.lds.S
@@ -40,9 +40,13 @@
  * This is here in the first place so we can quickly test building
  * for different CPU's which may lack non-cache L1 data.
  */
+#ifndef L1_DATA_A_SRAM
+# define L1_DATA_A_SRAM      0
+# define L1_DATA_A_SRAM_SIZE 0
+#endif
 #ifndef L1_DATA_B_SRAM
-# define L1_DATA_B_SRAM      CONFIG_SYS_MONITOR_BASE
-# define L1_DATA_B_SRAM_SIZE 0
+# define L1_DATA_B_SRAM      L1_DATA_A_SRAM
+# define L1_DATA_B_SRAM_SIZE L1_DATA_A_SRAM_SIZE
 #endif
 
 /* The 0xC offset is so we don't clobber the tiny LDR jump block. */
@@ -138,7 +142,7 @@ SECTIONS
        } >l1_data AT>ram_data
        __data_l1_lma = LOADADDR(.data_l1);
        __data_l1_len = SIZEOF(.data_l1);
-       ASSERT (__data_l1_len <= L1_DATA_B_SRAM_SIZE, "L1 data B overflow!")
+       ASSERT (__data_l1_len <= L1_DATA_B_SRAM_SIZE, "L1 data overflow!")
 
        .bss :
        {