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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