1 files changed, 0 insertions, 78 deletions
diff --git a/arch/avr32/cpu/at32ap700x/mmu.c b/arch/avr32/cpu/at32ap700x/mmu.c
deleted file mode 100644
index f5e62f2..0000000
--- a/arch/avr32/cpu/at32ap700x/mmu.c
+++ /dev/null
@@ -1,78 +0,0 @@
-#include <common.h>
-#include <asm/arch/mmu.h>
-#include <asm/sysreg.h>
-
-void mmu_init_r(unsigned long dest_addr)
-{
-	uintptr_t	vmr_table_addr;
-
-	/* Round monitor address down to the nearest page boundary */
-	dest_addr &= MMU_PAGE_ADDR_MASK;
-
-	/* Initialize TLB entry 0 to cover the monitor, and lock it */
-	sysreg_write(TLBEHI, dest_addr | SYSREG_BIT(TLBEHI_V));
-	sysreg_write(TLBELO, dest_addr | MMU_VMR_CACHE_WRBACK);
-	sysreg_write(MMUCR, SYSREG_BF(DRP, 0) | SYSREG_BF(DLA, 1)
-			| SYSREG_BIT(MMUCR_S) | SYSREG_BIT(M));
-	__builtin_tlbw();
-
-	/*
-	 * Calculate the address of the VM range table in a PC-relative
-	 * manner to make sure we hit the SDRAM and not the flash.
-	 */
-	vmr_table_addr = (uintptr_t)&mmu_vmr_table;
-	sysreg_write(PTBR, vmr_table_addr);
-	printf("VMR table @ 0x%08lx\n", vmr_table_addr);
-
-	/* Enable paging */
-	sysreg_write(MMUCR, SYSREG_BF(DRP, 1) | SYSREG_BF(DLA, 1)
-			| SYSREG_BIT(MMUCR_S) | SYSREG_BIT(M) | SYSREG_BIT(E));
-}
-
-int mmu_handle_tlb_miss(void)
-{
-	const struct mmu_vm_range *vmr_table;
-	const struct mmu_vm_range *vmr;
-	unsigned int fault_pgno;
-	int first, last;
-
-	fault_pgno = sysreg_read(TLBEAR) >> MMU_PAGE_SHIFT;
-	vmr_table = (const struct mmu_vm_range *)sysreg_read(PTBR);
-
-	/* Do a binary search through the VM ranges */
-	first = 0;
-	last = CONFIG_SYS_NR_VM_REGIONS;
-	while (first < last) {
-		unsigned int start;
-		int middle;
-
-		/* Pick the entry in the middle of the remaining range */
-		middle = (first + last) >> 1;
-		vmr = &vmr_table[middle];
-		start = vmr->virt_pgno;
-
-		/* Do the bisection thing */
-		if (fault_pgno < start) {
-			last = middle;
-		} else if (fault_pgno >= (start + vmr->nr_pages)) {
-			first = middle + 1;
-		} else {
-			/* Got it; let's slam it into the TLB */
-			uint32_t tlbelo;
-
-			tlbelo = vmr->phys & ~MMU_PAGE_ADDR_MASK;
-			tlbelo |= fault_pgno << MMU_PAGE_SHIFT;
-			sysreg_write(TLBELO, tlbelo);
-			__builtin_tlbw();
-
-			/* Zero means success */
-			return 0;
-		}
-	}
-
-	/*
-	 * Didn't find any matching entries. Return a nonzero value to
-	 * indicate that this should be treated as a fatal exception.
-	 */
-	return -1;
-}