Some platforms might want to override the default wimge=0 for
DDR.  Add CONFIG_DDR_TLB_WIMGE for those platforms to use.
This will initially only be used by TQM85xx, but could be
useful for other boards or testing going forward.

Signed-off-by: Becky Bruce <bec...@kernel.crashing.org>
---
 arch/powerpc/cpu/mpc85xx/tlb.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/cpu/mpc85xx/tlb.c b/arch/powerpc/cpu/mpc85xx/tlb.c
index e3a71ae..513aaaa 100644
--- a/arch/powerpc/cpu/mpc85xx/tlb.c
+++ b/arch/powerpc/cpu/mpc85xx/tlb.c
@@ -250,10 +250,14 @@ setup_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int 
memsize_in_meg)
 {
        int i;
        unsigned int tlb_size;
+       unsigned int wimge = 0;
        unsigned int ram_tlb_address = (unsigned int)CONFIG_SYS_DDR_SDRAM_BASE;
        unsigned int max_cam = (mfspr(SPRN_TLB1CFG) >> 16) & 0xf;
        u64 size, memsize = (u64)memsize_in_meg << 20;
 
+#ifdef CONFIG_DDR_TLB_WIMGE
+       wimge = CONFIG_DDR_TLB_WIMGE;
+#endif
        size = min(memsize, CONFIG_MAX_MEM_MAPPED);
 
        /* Convert (4^max) kB to (2^max) bytes */
@@ -277,7 +281,7 @@ setup_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int 
memsize_in_meg)
                tlb_size = (camsize - 10) / 2;
 
                set_tlb(1, ram_tlb_address, p_addr,
-                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
+                       MAS3_SX|MAS3_SW|MAS3_SR, wimge,
                        0, ram_tlb_index, tlb_size, 1);
 
                size -= 1ULL << camsize;
-- 
1.5.6.5

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