1 files changed, 0 insertions, 66 deletions
diff --git a/arch/avr32/include/asm/arch-at32ap700x/mmu.h b/arch/avr32/include/asm/arch-at32ap700x/mmu.h
deleted file mode 100644
index 4736312f5d..0000000000
--- a/arch/avr32/include/asm/arch-at32ap700x/mmu.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * In order to deal with the hardcoded u-boot requirement that virtual
- * addresses are always mapped 1:1 with physical addresses, we implement
- * a small virtual memory manager so that we can use the MMU hardware in
- * order to get the caching properties right.
- *
- * A few pages (or possibly just one) are locked in the TLB permanently
- * in order to avoid recursive TLB misses, but most pages are faulted in
- * on demand.
- */
-#ifndef __ASM_ARCH_MMU_H
-#define __ASM_ARCH_MMU_H
-
-#include <asm/sysreg.h>
-
-#define MMU_PAGE_SHIFT	20
-#define MMU_PAGE_SIZE	(1UL << MMU_PAGE_SHIFT)
-#define MMU_PAGE_ADDR_MASK	(~(MMU_PAGE_SIZE - 1))
-
-#define MMU_VMR_CACHE_NONE						\
-	(SYSREG_BF(AP, 3) | SYSREG_BF(SZ, 3) | SYSREG_BIT(TLBELO_D))
-#define MMU_VMR_CACHE_WBUF						\
-	(MMU_VMR_CACHE_NONE | SYSREG_BIT(B))
-#define MMU_VMR_CACHE_WRTHRU						\
-	(MMU_VMR_CACHE_NONE | SYSREG_BIT(TLBELO_C) | SYSREG_BIT(W))
-#define MMU_VMR_CACHE_WRBACK						\
-	(MMU_VMR_CACHE_WBUF | SYSREG_BIT(TLBELO_C))
-
-/*
- * This structure is used in our "page table". Instead of the usual
- * x86-inspired radix tree, we let each entry cover an arbitrary-sized
- * virtual address range and store them in a binary search tree. This is
- * somewhat slower, but should use significantly less RAM, and we
- * shouldn't get many TLB misses when using 1 MB pages anyway.
- *
- * With 1 MB pages, we need 12 bits to store the page number. In
- * addition, we stick an Invalid bit in the high bit of virt_pgno (if
- * set, it cannot possibly match any faulting page), and all the bits
- * that need to be written to TLBELO in phys_pgno.
- */
-struct mmu_vm_range {
-	uint16_t	virt_pgno;
-	uint16_t	nr_pages;
-	uint32_t	phys;
-};
-
-/*
- * An array of mmu_vm_range objects describing all pageable addresses.
- * The array is sorted by virt_pgno so that the TLB miss exception
- * handler can do a binary search to find the correct entry.
- */
-extern struct mmu_vm_range mmu_vmr_table[];
-
-/*
- * Initialize the MMU. This will set up a fixed TLB entry for the static
- * u-boot image at dest_addr and enable paging.
- */
-void mmu_init_r(unsigned long dest_addr);
-
-/*
- * Handle a TLB miss exception. This function is called directly from
- * the exception vector table written in assembly.
- */
-int mmu_handle_tlb_miss(void);
-
-#endif /* __ASM_ARCH_MMU_H */