Signed-off-by: Kumar Gala <[EMAIL PROTECTED]>
---
cpu/mpc85xx/tlb.c | 34 ++++++++++++++++++++++++++++++++++
include/asm-ppc/mmu.h | 3 +++
lib_ppc/board.c | 8 ++++++++
3 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/cpu/mpc85xx/tlb.c b/cpu/mpc85xx/tlb.c
index a2d16ae..f80d8b2 100644
--- a/cpu/mpc85xx/tlb.c
+++ b/cpu/mpc85xx/tlb.c
@@ -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, (1 << ((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,
+ (1 << ((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;
diff --git a/include/asm-ppc/mmu.h b/include/asm-ppc/mmu.h
index 8975e6c..6d942d0 100644
--- a/include/asm-ppc/mmu.h
+++ b/include/asm-ppc/mmu.h
@@ -431,6 +431,9 @@ extern void set_tlb(u8 tlb, u32 epn, u64 rpn,
extern void disable_tlb(u8 esel);
extern void invalidate_tlb(u8 tlb);
extern void init_tlbs(void);
+#ifdef CONFIG_ADDR_MAP
+extern void init_addr_map(void);
+#endif
extern unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg);
#define SET_TLB_ENTRY(_tlb, _epn, _rpn, _perms, _wimge, _ts, _esel, _sz,
_iprot) \
diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index 289a32a..61c29b5 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -75,6 +75,10 @@
#include <keyboard.h>
#endif
+#ifdef CONFIG_ADDR_MAP
+#include <asm/mmu.h>
+#endif
+
#ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
extern int update_flash_size (int flash_size);
#endif
@@ -694,6 +698,10 @@ void board_init_r (gd_t *id, ulong dest_addr)
*/
trap_init (dest_addr);
+#if defined(CONFIG_ADDR_MAP) && defined(CONFIG_E500)
+ init_addr_map();
+#endif
+
#if defined(CONFIG_BOARD_EARLY_INIT_R)
board_early_init_r ();
#endif
--
1.5.6.5
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