X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv8%2Fcache_v8.c;h=6c5630c0a84c5c49162e414247ea3e9a5ccf755e;hb=8dda2e2f9e0976249f4a390e72f12533dbcb5ef4;hp=b8867a79ce2f0ae4d3ae2b2ea71df7a4b95cce99;hpb=252cdb46ee33ff876823d0ce0a0190c3878c76ff;p=u-boot

diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c
index b8867a79ce..6c5630c0a8 100644
--- a/arch/arm/cpu/armv8/cache_v8.c
+++ b/arch/arm/cpu/armv8/cache_v8.c
@@ -44,7 +44,7 @@ u64 get_tcr(int el, u64 *pips, u64 *pva_bits)
 
 	/* Find the largest address we need to support */
 	for (i = 0; mem_map[i].size || mem_map[i].attrs; i++)
-		max_addr = max(max_addr, mem_map[i].base + mem_map[i].size);
+		max_addr = max(max_addr, mem_map[i].virt + mem_map[i].size);
 
 	/* Calculate the maximum physical (and thus virtual) address */
 	if (max_addr > (1ULL << 44)) {
@@ -167,49 +167,6 @@ static void set_pte_table(u64 *pte, u64 *table)
 	*pte = PTE_TYPE_TABLE | (ulong)table;
 }
 
-/* Add one mm_region map entry to the page tables */
-static void add_map(struct mm_region *map)
-{
-	u64 *pte;
-	u64 addr = map->base;
-	u64 size = map->size;
-	u64 attrs = map->attrs | PTE_TYPE_BLOCK | PTE_BLOCK_AF;
-	u64 blocksize;
-	int level;
-	u64 *new_table;
-
-	while (size) {
-		pte = find_pte(addr, 0);
-		if (pte && (pte_type(pte) == PTE_TYPE_FAULT)) {
-			debug("Creating table for addr 0x%llx\n", addr);
-			new_table = create_table();
-			set_pte_table(pte, new_table);
-		}
-
-		for (level = 1; level < 4; level++) {
-			pte = find_pte(addr, level);
-			blocksize = 1ULL << level2shift(level);
-			debug("Checking if pte fits for addr=%llx size=%llx "
-			      "blocksize=%llx\n", addr, size, blocksize);
-			if (size >= blocksize && !(addr & (blocksize - 1))) {
-				/* Page fits, create block PTE */
-				debug("Setting PTE %p to block addr=%llx\n",
-				      pte, addr);
-				*pte = addr | attrs;
-				addr += blocksize;
-				size -= blocksize;
-				break;
-			} else if ((pte_type(pte) == PTE_TYPE_FAULT)) {
-				/* Page doesn't fit, create subpages */
-				debug("Creating subtable for addr 0x%llx "
-				      "blksize=%llx\n", addr, blocksize);
-				new_table = create_table();
-				set_pte_table(pte, new_table);
-			}
-		}
-	}
-}
-
 /* Splits a block PTE into table with subpages spanning the old block */
 static void split_block(u64 *pte, int level)
 {
@@ -241,6 +198,58 @@ static void split_block(u64 *pte, int level)
 	set_pte_table(pte, new_table);
 }
 
+/* Add one mm_region map entry to the page tables */
+static void add_map(struct mm_region *map)
+{
+	u64 *pte;
+	u64 virt = map->virt;
+	u64 phys = map->phys;
+	u64 size = map->size;
+	u64 attrs = map->attrs | PTE_TYPE_BLOCK | PTE_BLOCK_AF;
+	u64 blocksize;
+	int level;
+	u64 *new_table;
+
+	while (size) {
+		pte = find_pte(virt, 0);
+		if (pte && (pte_type(pte) == PTE_TYPE_FAULT)) {
+			debug("Creating table for virt 0x%llx\n", virt);
+			new_table = create_table();
+			set_pte_table(pte, new_table);
+		}
+
+		for (level = 1; level < 4; level++) {
+			pte = find_pte(virt, level);
+			if (!pte)
+				panic("pte not found\n");
+
+			blocksize = 1ULL << level2shift(level);
+			debug("Checking if pte fits for virt=%llx size=%llx blocksize=%llx\n",
+			      virt, size, blocksize);
+			if (size >= blocksize && !(virt & (blocksize - 1))) {
+				/* Page fits, create block PTE */
+				debug("Setting PTE %p to block virt=%llx\n",
+				      pte, virt);
+				*pte = phys | attrs;
+				virt += blocksize;
+				phys += blocksize;
+				size -= blocksize;
+				break;
+			} else if (pte_type(pte) == PTE_TYPE_FAULT) {
+				/* Page doesn't fit, create subpages */
+				debug("Creating subtable for virt 0x%llx blksize=%llx\n",
+				      virt, blocksize);
+				new_table = create_table();
+				set_pte_table(pte, new_table);
+			} else if (pte_type(pte) == PTE_TYPE_BLOCK) {
+				debug("Split block into subtable for virt 0x%llx blksize=0x%llx\n",
+				      virt, blocksize);
+				split_block(pte, level);
+			}
+		}
+	}
+}
+
 enum pte_type {
 	PTE_INVAL,
 	PTE_BLOCK,
@@ -265,7 +274,7 @@ static int count_required_pts(u64 addr, int level, u64 maxaddr)
 
 	for (i = 0; mem_map[i].size || mem_map[i].attrs; i++) {
 		struct mm_region *map = &mem_map[i];
-		u64 start = map->base;
+		u64 start = map->virt;
 		u64 end = start + map->size;
 
 		/* Check if the PTE would overlap with the map */
@@ -371,6 +380,7 @@ void setup_pgtables(void)
 static void setup_all_pgtables(void)
 {
 	u64 tlb_addr = gd->arch.tlb_addr;
+	u64 tlb_size = gd->arch.tlb_size;
 
 	/* Reset the fill ptr */
 	gd->arch.tlb_fillptr = tlb_addr;
@@ -379,10 +389,13 @@ static void setup_all_pgtables(void)
 	setup_pgtables();
 
 	/* Create emergency page tables */
+	gd->arch.tlb_size -= (uintptr_t)gd->arch.tlb_fillptr -
+			     (uintptr_t)gd->arch.tlb_addr;
 	gd->arch.tlb_addr = gd->arch.tlb_fillptr;
 	setup_pgtables();
 	gd->arch.tlb_emerg = gd->arch.tlb_addr;
 	gd->arch.tlb_addr = tlb_addr;
+	gd->arch.tlb_size = tlb_size;
 }
 
 /* to activate the MMU we need to set up virtual memory */
@@ -408,19 +421,20 @@ __weak void mmu_setup(void)
 void invalidate_dcache_all(void)
 {
 	__asm_invalidate_dcache_all();
+	__asm_invalidate_l3_dcache();
 }
 
 /*
  * Performs a clean & invalidation of the entire data cache at all levels.
  * This function needs to be inline to avoid using stack.
- * __asm_flush_l3_cache return status of timeout
+ * __asm_flush_l3_dcache return status of timeout
  */
 inline void flush_dcache_all(void)
 {
 	int ret;
 
 	__asm_flush_dcache_all();
-	ret = __asm_flush_l3_cache();
+	ret = __asm_flush_l3_dcache();
 	if (ret)
 		debug("flushing dcache returns 0x%x\n", ret);
 	else
@@ -610,7 +624,7 @@ void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size,
 
 void icache_enable(void)
 {
-	__asm_invalidate_icache_all();
+	invalidate_icache_all();
 	set_sctlr(get_sctlr() | CR_I);
 }
 
@@ -627,6 +641,7 @@ int icache_status(void)
 void invalidate_icache_all(void)
 {
 	__asm_invalidate_icache_all();
+	__asm_invalidate_l3_icache();
 }
 
 #else	/* CONFIG_SYS_ICACHE_OFF */