Merge branch 'master' of git://git.denx.de/u-boot

[u-boot] / arch / mips / cpu / mips32 / start.S

diff --git a/arch/mips/cpu/mips32/start.S b/arch/mips/cpu/mips32/start.S
index 88e8036175ea3efa2ef96a1d4dc809b1b9a947d6..51ce914fadb642bece1aa9ae760de466e9531561 100644 (file)
--- a/arch/mips/cpu/mips32/start.S
+++ b/arch/mips/cpu/mips32/start.S
@@ -279,35 +279,23 @@ reset:
 relocate_code:
        move    sp, a0                  # set new stack pointer
 
+       move    s0, a1                  # save gd in s0
+       move    s2, a2                  # save destination address in s2
+
        li      t0, CONFIG_SYS_MONITOR_BASE
+       sub     s1, s2, t0              # s1 <-- relocation offset
+
        la      t3, in_ram
        lw      t2, -12(t3)             # t2 <-- uboot_end_data
        move    t1, a2
-       move    s2, a2                  # s2 <-- destination address
 
-       /*
-        * Fix $gp:
-        *
-        * New $gp = (Old $gp - CONFIG_SYS_MONITOR_BASE) + Destination Address
-        */
-       move    t6, gp
-       sub     gp, CONFIG_SYS_MONITOR_BASE
-       add     gp, a2                  # gp now adjusted
-       sub     s1, gp, t6              # s1 <-- relocation offset
+       add     gp, s1                  # adjust gp
 
        /*
         * t0 = source address
         * t1 = target address
         * t2 = source end address
         */
-
-       /*
-        * Save destination address and size for later usage in flush_cache()
-        */
-       move    s0, a1                  # save gd in s0
-       move    a0, t1                  # a0 <-- destination addr
-       sub     a1, t2, t0              # a1 <-- size
-
 1:
        lw      t3, 0(t0)
        sw      t3, 0(t1)
@@ -316,18 +304,16 @@ relocate_code:
         addu   t1, 4
 
        /* If caches were enabled, we would have to flush them here. */
-
-       /* a0 & a1 are already set up for flush_cache(start, size) */
+       sub     a1, t1, s2              # a1 <-- size
        la      t9, flush_cache
        jalr    t9
-        nop
+        move   a0, s2                  # a0 <-- destination address
 
        /* Jump to where we've relocated ourselves */
        addi    t0, s2, in_ram - _start
        jr      t0
         nop
 
-       .word   _gp
        .word   _GLOBAL_OFFSET_TABLE_
        .word   uboot_end_data
        .word   uboot_end
@@ -342,9 +328,7 @@ in_ram:
         */
        lw      t3, -4(t0)              # t3 <-- num_got_entries
        lw      t4, -16(t0)             # t4 <-- _GLOBAL_OFFSET_TABLE_
-       lw      t5, -20(t0)             # t5 <-- _gp
-       sub     t4, t5                  # compute offset
-       add     t4, t4, gp              # t4 now holds relocated _G_O_T_
+       add     t4, s1                  # t4 now holds relocated _G_O_T_
        addi    t4, t4, 8               # skipping first two entries
        li      t2, 2
 1: