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-rw-r--r--include/asm-ppc/config.h7
-rw-r--r--include/asm-ppc/global_data.h3
-rw-r--r--include/asm-ppc/mmu.h2
3 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-ppc/config.h b/include/asm-ppc/config.h
index d5f82b4..796707e 100644
--- a/include/asm-ppc/config.h
+++ b/include/asm-ppc/config.h
@@ -63,6 +63,13 @@
#define CONFIG_TSECV2
#endif
+/* Number of TLB CAM entries we have on FSL Book-E chips */
+#if defined(CONFIG_E500MC)
+#define CONFIG_SYS_NUM_TLBCAMS 64
+#elif defined(CONFIG_E500)
+#define CONFIG_SYS_NUM_TLBCAMS 16
+#endif
+
/* Relocation to SDRAM works on all PPC boards */
#define CONFIG_RELOC_FIXUP_WORKS
diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h
index 55e7e20..3f11918 100644
--- a/include/asm-ppc/global_data.h
+++ b/include/asm-ppc/global_data.h
@@ -107,6 +107,9 @@ typedef struct global_data {
#if defined(CONFIG_FSL_LAW)
u32 used_laws;
#endif
+#if defined(CONFIG_E500)
+ u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32];
+#endif
#if defined(CONFIG_MPC5xxx)
unsigned long ipb_clk;
unsigned long pci_clk;
diff --git a/include/asm-ppc/mmu.h b/include/asm-ppc/mmu.h
index ec22a50..fd10249 100644
--- a/include/asm-ppc/mmu.h
+++ b/include/asm-ppc/mmu.h
@@ -479,6 +479,8 @@ extern void disable_tlb(u8 esel);
extern void invalidate_tlb(u8 tlb);
extern void init_tlbs(void);
extern int find_tlb_idx(void *addr, u8 tlbsel);
+extern void init_used_tlb_cams(void);
+extern int find_free_tlbcam(void);
extern unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg);