1 files changed, 0 insertions, 260 deletions
diff --git a/ANDROID_3.4.5/arch/sparc/mm/leon_mm.c b/ANDROID_3.4.5/arch/sparc/mm/leon_mm.c
deleted file mode 100644
index 13c21698..00000000
--- a/ANDROID_3.4.5/arch/sparc/mm/leon_mm.c
+++ /dev/null
@@ -1,260 +0,0 @@
-/*
- *  linux/arch/sparc/mm/leon_m.c
- *
- * Copyright (C) 2004 Konrad Eisele (eiselekd@web.de, konrad@gaisler.com) Gaisler Research
- * Copyright (C) 2009 Daniel Hellstrom (daniel@gaisler.com) Aeroflex Gaisler AB
- * Copyright (C) 2009 Konrad Eisele (konrad@gaisler.com) Aeroflex Gaisler AB
- *
- * do srmmu probe in software
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <asm/asi.h>
-#include <asm/leon.h>
-#include <asm/tlbflush.h>
-
-int leon_flush_during_switch = 1;
-int srmmu_swprobe_trace;
-
-unsigned long srmmu_swprobe(unsigned long vaddr, unsigned long *paddr)
-{
-
-	unsigned int ctxtbl;
-	unsigned int pgd, pmd, ped;
-	unsigned int ptr;
-	unsigned int lvl, pte, paddrbase;
-	unsigned int ctx;
-	unsigned int paddr_calc;
-
-	paddrbase = 0;
-
-	if (srmmu_swprobe_trace)
-		printk(KERN_INFO "swprobe: trace on\n");
-
-	ctxtbl = srmmu_get_ctable_ptr();
-	if (!(ctxtbl)) {
-		if (srmmu_swprobe_trace)
-			printk(KERN_INFO "swprobe: srmmu_get_ctable_ptr returned 0=>0\n");
-		return 0;
-	}
-	if (!_pfn_valid(PFN(ctxtbl))) {
-		if (srmmu_swprobe_trace)
-			printk(KERN_INFO
-			       "swprobe: !_pfn_valid(%x)=>0\n",
-			       PFN(ctxtbl));
-		return 0;
-	}
-
-	ctx = srmmu_get_context();
-	if (srmmu_swprobe_trace)
-		printk(KERN_INFO "swprobe:  --- ctx (%x) ---\n", ctx);
-
-	pgd = LEON_BYPASS_LOAD_PA(ctxtbl + (ctx * 4));
-
-	if (((pgd & SRMMU_ET_MASK) == SRMMU_ET_PTE)) {
-		if (srmmu_swprobe_trace)
-			printk(KERN_INFO "swprobe: pgd is entry level 3\n");
-		lvl = 3;
-		pte = pgd;
-		paddrbase = pgd & _SRMMU_PTE_PMASK_LEON;
-		goto ready;
-	}
-	if (((pgd & SRMMU_ET_MASK) != SRMMU_ET_PTD)) {
-		if (srmmu_swprobe_trace)
-			printk(KERN_INFO "swprobe: pgd is invalid => 0\n");
-		return 0;
-	}
-
-	if (srmmu_swprobe_trace)
-		printk(KERN_INFO "swprobe:  --- pgd (%x) ---\n", pgd);
-
-	ptr = (pgd & SRMMU_PTD_PMASK) << 4;
-	ptr += ((((vaddr) >> LEON_PGD_SH) & LEON_PGD_M) * 4);
-	if (!_pfn_valid(PFN(ptr)))
-		return 0;
-
-	pmd = LEON_BYPASS_LOAD_PA(ptr);
-	if (((pmd & SRMMU_ET_MASK) == SRMMU_ET_PTE)) {
-		if (srmmu_swprobe_trace)
-			printk(KERN_INFO "swprobe: pmd is entry level 2\n");
-		lvl = 2;
-		pte = pmd;
-		paddrbase = pmd & _SRMMU_PTE_PMASK_LEON;
-		goto ready;
-	}
-	if (((pmd & SRMMU_ET_MASK) != SRMMU_ET_PTD)) {
-		if (srmmu_swprobe_trace)
-			printk(KERN_INFO "swprobe: pmd is invalid => 0\n");
-		return 0;
-	}
-
-	if (srmmu_swprobe_trace)
-		printk(KERN_INFO "swprobe:  --- pmd (%x) ---\n", pmd);
-
-	ptr = (pmd & SRMMU_PTD_PMASK) << 4;
-	ptr += (((vaddr >> LEON_PMD_SH) & LEON_PMD_M) * 4);
-	if (!_pfn_valid(PFN(ptr))) {
-		if (srmmu_swprobe_trace)
-			printk(KERN_INFO "swprobe: !_pfn_valid(%x)=>0\n",
-			       PFN(ptr));
-		return 0;
-	}
-
-	ped = LEON_BYPASS_LOAD_PA(ptr);
-
-	if (((ped & SRMMU_ET_MASK) == SRMMU_ET_PTE)) {
-		if (srmmu_swprobe_trace)
-			printk(KERN_INFO "swprobe: ped is entry level 1\n");
-		lvl = 1;
-		pte = ped;
-		paddrbase = ped & _SRMMU_PTE_PMASK_LEON;
-		goto ready;
-	}
-	if (((ped & SRMMU_ET_MASK) != SRMMU_ET_PTD)) {
-		if (srmmu_swprobe_trace)
-			printk(KERN_INFO "swprobe: ped is invalid => 0\n");
-		return 0;
-	}
-
-	if (srmmu_swprobe_trace)
-		printk(KERN_INFO "swprobe:  --- ped (%x) ---\n", ped);
-
-	ptr = (ped & SRMMU_PTD_PMASK) << 4;
-	ptr += (((vaddr >> LEON_PTE_SH) & LEON_PTE_M) * 4);
-	if (!_pfn_valid(PFN(ptr)))
-		return 0;
-
-	ptr = LEON_BYPASS_LOAD_PA(ptr);
-	if (((ptr & SRMMU_ET_MASK) == SRMMU_ET_PTE)) {
-		if (srmmu_swprobe_trace)
-			printk(KERN_INFO "swprobe: ptr is entry level 0\n");
-		lvl = 0;
-		pte = ptr;
-		paddrbase = ptr & _SRMMU_PTE_PMASK_LEON;
-		goto ready;
-	}
-	if (srmmu_swprobe_trace)
-		printk(KERN_INFO "swprobe: ptr is invalid => 0\n");
-	return 0;
-
-ready:
-	switch (lvl) {
-	case 0:
-		paddr_calc =
-		    (vaddr & ~(-1 << LEON_PTE_SH)) | ((pte & ~0xff) << 4);
-		break;
-	case 1:
-		paddr_calc =
-		    (vaddr & ~(-1 << LEON_PMD_SH)) | ((pte & ~0xff) << 4);
-		break;
-	case 2:
-		paddr_calc =
-		    (vaddr & ~(-1 << LEON_PGD_SH)) | ((pte & ~0xff) << 4);
-		break;
-	default:
-	case 3:
-		paddr_calc = vaddr;
-		break;
-	}
-	if (srmmu_swprobe_trace)
-		printk(KERN_INFO "swprobe: padde %x\n", paddr_calc);
-	if (paddr)
-		*paddr = paddr_calc;
-	return pte;
-}
-
-void leon_flush_icache_all(void)
-{
-	__asm__ __volatile__(" flush ");	/*iflush*/
-}
-
-void leon_flush_dcache_all(void)
-{
-	__asm__ __volatile__("sta %%g0, [%%g0] %0\n\t" : :
-			     "i"(ASI_LEON_DFLUSH) : "memory");
-}
-
-void leon_flush_pcache_all(struct vm_area_struct *vma, unsigned long page)
-{
-	if (vma->vm_flags & VM_EXEC)
-		leon_flush_icache_all();
-	leon_flush_dcache_all();
-}
-
-void leon_flush_cache_all(void)
-{
-	__asm__ __volatile__(" flush ");	/*iflush*/
-	__asm__ __volatile__("sta %%g0, [%%g0] %0\n\t" : :
-			     "i"(ASI_LEON_DFLUSH) : "memory");
-}
-
-void leon_flush_tlb_all(void)
-{
-	leon_flush_cache_all();
-	__asm__ __volatile__("sta %%g0, [%0] %1\n\t" : : "r"(0x400),
-			     "i"(ASI_LEON_MMUFLUSH) : "memory");
-}
-
-/* get all cache regs */
-void leon3_getCacheRegs(struct leon3_cacheregs *regs)
-{
-	unsigned long ccr, iccr, dccr;
-
-	if (!regs)
-		return;
-	/* Get Cache regs from "Cache ASI" address 0x0, 0x8 and 0xC */
-	__asm__ __volatile__("lda [%%g0] %3, %0\n\t"
-			     "mov 0x08, %%g1\n\t"
-			     "lda [%%g1] %3, %1\n\t"
-			     "mov 0x0c, %%g1\n\t"
-			     "lda [%%g1] %3, %2\n\t"
-			     : "=r"(ccr), "=r"(iccr), "=r"(dccr)
-			       /* output */
-			     : "i"(ASI_LEON_CACHEREGS)	/* input */
-			     : "g1"	/* clobber list */
-	    );
-	regs->ccr = ccr;
-	regs->iccr = iccr;
-	regs->dccr = dccr;
-}
-
-/* Due to virtual cache we need to check cache configuration if
- * it is possible to skip flushing in some cases.
- *
- * Leon2 and Leon3 differ in their way of telling cache information
- *
- */
-int __init leon_flush_needed(void)
-{
-	int flush_needed = -1;
-	unsigned int ssize, sets;
-	char *setStr[4] =
-	    { "direct mapped", "2-way associative", "3-way associative",
-		"4-way associative"
-	};
-	/* leon 3 */
-	struct leon3_cacheregs cregs;
-	leon3_getCacheRegs(&cregs);
-	sets = (cregs.dccr & LEON3_XCCR_SETS_MASK) >> 24;
-	/* (ssize=>realsize) 0=>1k, 1=>2k, 2=>4k, 3=>8k ... */
-	ssize = 1 << ((cregs.dccr & LEON3_XCCR_SSIZE_MASK) >> 20);
-
-	printk(KERN_INFO "CACHE: %s cache, set size %dk\n",
-	       sets > 3 ? "unknown" : setStr[sets], ssize);
-	if ((ssize <= (PAGE_SIZE / 1024)) && (sets == 0)) {
-		/* Set Size <= Page size  ==>
-		   flush on every context switch not needed. */
-		flush_needed = 0;
-		printk(KERN_INFO "CACHE: not flushing on every context switch\n");
-	}
-	return flush_needed;
-}
-
-void leon_switch_mm(void)
-{
-	flush_tlb_mm((void *)0);
-	if (leon_flush_during_switch)
-		leon_flush_cache_all();
-}