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powerpc/mpc85xx: Fix DDR TLB mapping leftover

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Commit f29f804a93 generalized the TLB
mapping function, but made the DDR mapping leftover size to zero,
causing the message not printed.

Signed-off-by: York Sun <yorksun@freescale.com>
CC: Alexander Graf <agraf@suse.de>
CC: Scott Wood <scottwood@freescale.com>
This commit is contained in:
York Sun 2014-12-02 11:21:09 -08:00
parent 938bbb6013
commit 0ccee4e627
1 changed files with 8 additions and 4 deletions
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12
arch/powerpc/cpu/mpc85xx/tlb.c
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@ -299,12 +299,16 @@ unsigned int setup_ddr_tlbs_phys(phys_addr_t p_addr,
{
unsigned int ram_tlb_address = (unsigned int)CONFIG_SYS_DDR_SDRAM_BASE;
u64 memsize = (u64)memsize_in_meg << 20;
u64 size;
memsize = min(memsize, (u64)CONFIG_MAX_MEM_MAPPED);
memsize = tlb_map_range(ram_tlb_address, p_addr, memsize, TLB_MAP_RAM);
size = min(memsize, (u64)CONFIG_MAX_MEM_MAPPED);
size = tlb_map_range(ram_tlb_address, p_addr, size, TLB_MAP_RAM);
if (memsize)
print_size(memsize, " left unmapped\n");
if (size || memsize > CONFIG_MAX_MEM_MAPPED) {
print_size(memsize > CONFIG_MAX_MEM_MAPPED ?
memsize - CONFIG_MAX_MEM_MAPPED + size : size,
" left unmapped\n");
}
return memsize_in_meg;
}