nios2: enlarge the code relocation range
As we will use u-boot-dtb.bin, the code relocation range
should be adjusted to accommodate the additional dtb.
It might be overkilled to look into dtb header to find the
dtb size, so we will simply use CONFIG_SYS_MONITOR_LEN.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
diff --git a/arch/nios2/cpu/start.S b/arch/nios2/cpu/start.S
index 9e440c2..f80b4f3 100644
--- a/arch/nios2/cpu/start.S
+++ b/arch/nios2/cpu/start.S
@@ -73,8 +73,9 @@
ori r5, r5, %lo(_start) /* r5 <- linked _start */
beq r4, r5, 3f
- movhi r6, %hi(_edata)
- ori r6, r6, %lo(_edata)
+ movhi r6, %hi(CONFIG_SYS_MONITOR_LEN)
+ ori r6, r6, %lo(CONFIG_SYS_MONITOR_LEN)
+ add r6, r6, r5
2: ldwio r7, 0(r4)
addi r4, r4, 4
stwio r7, 0(r5)