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85xx: Add support to populate addr map based on TLB settings

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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala
2008-12-16 14:59:20 -06:00
committed by Andrew Fleming-AFLEMING
parent 78bbc5ce15
commit ecf5b98c7a
3 changed files with 45 additions and 0 deletions
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34
cpu/mpc85xx/tlb.c
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@@ -26,6 +26,11 @@
#include <common.h>
#include <asm/processor.h>
#include <asm/mmu.h>
#ifdef CONFIG_ADDR_MAP
#include <addr_map.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
void set_tlb(u8 tlb, u32 epn, u64 rpn,
u8 perms, u8 wimge,
@@ -47,6 +52,11 @@ void set_tlb(u8 tlb, u32 epn, u64 rpn,
mtspr(MAS7, _mas7);
#endif
asm volatile("isync;msync;tlbwe;isync");
#ifdef CONFIG_ADDR_MAP
if ((tlb == 1) && (gd->flags & GD_FLG_RELOC))
addrmap_set_entry(epn, rpn, (1UL << ((tsize * 2) + 10)), esel);
#endif
}
void disable_tlb(u8 esel)
@@ -67,6 +77,11 @@ void disable_tlb(u8 esel)
mtspr(MAS7, _mas7);
#endif
asm volatile("isync;msync;tlbwe;isync");
#ifdef CONFIG_ADDR_MAP
if (gd->flags & GD_FLG_RELOC)
addrmap_set_entry(0, 0, 0, esel);
#endif
}
void invalidate_tlb(u8 tlb)
@@ -91,6 +106,25 @@ void init_tlbs(void)
return ;
}
#ifdef CONFIG_ADDR_MAP
void init_addr_map(void)
{
int i;
for (i = 0; i < num_tlb_entries; i++) {
if (tlb_table[i].tlb == 0)
continue;
addrmap_set_entry(tlb_table[i].epn,
tlb_table[i].rpn,
(1UL << ((tlb_table[i].tsize * 2) + 10)),
tlb_table[i].esel);
}
return ;
}
#endif
unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg)
{
unsigned int tlb_size;