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Diffstat (limited to 'arch/powerpc/mm/nohash/tlb.c')
-rw-r--r--arch/powerpc/mm/nohash/tlb.c80
1 files changed, 23 insertions, 57 deletions
diff --git a/arch/powerpc/mm/nohash/tlb.c b/arch/powerpc/mm/nohash/tlb.c
index 5e7ccb48b79c..2c15c86c7015 100644
--- a/arch/powerpc/mm/nohash/tlb.c
+++ b/arch/powerpc/mm/nohash/tlb.c
@@ -49,8 +49,7 @@
* other sizes not listed here. The .ind field is only used on MMUs that have
* indirect page table entries.
*/
-#if defined(CONFIG_PPC_BOOK3E_MMU) || defined(CONFIG_PPC_8xx)
-#ifdef CONFIG_PPC_FSL_BOOK3E
+#ifdef CONFIG_PPC_E500
struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = {
[MMU_PAGE_4K] = {
.shift = 12,
@@ -81,7 +80,20 @@ struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = {
.enc = BOOK3E_PAGESZ_1GB,
},
};
-#elif defined(CONFIG_PPC_8xx)
+
+static inline int mmu_get_tsize(int psize)
+{
+ return mmu_psize_defs[psize].enc;
+}
+#else
+static inline int mmu_get_tsize(int psize)
+{
+ /* This isn't used on !Book3E for now */
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_PPC_8xx
struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = {
[MMU_PAGE_4K] = {
.shift = 12,
@@ -96,53 +108,7 @@ struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = {
.shift = 23,
},
};
-#else
-struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = {
- [MMU_PAGE_4K] = {
- .shift = 12,
- .ind = 20,
- .enc = BOOK3E_PAGESZ_4K,
- },
- [MMU_PAGE_16K] = {
- .shift = 14,
- .enc = BOOK3E_PAGESZ_16K,
- },
- [MMU_PAGE_64K] = {
- .shift = 16,
- .ind = 28,
- .enc = BOOK3E_PAGESZ_64K,
- },
- [MMU_PAGE_1M] = {
- .shift = 20,
- .enc = BOOK3E_PAGESZ_1M,
- },
- [MMU_PAGE_16M] = {
- .shift = 24,
- .ind = 36,
- .enc = BOOK3E_PAGESZ_16M,
- },
- [MMU_PAGE_256M] = {
- .shift = 28,
- .enc = BOOK3E_PAGESZ_256M,
- },
- [MMU_PAGE_1G] = {
- .shift = 30,
- .enc = BOOK3E_PAGESZ_1GB,
- },
-};
-#endif /* CONFIG_FSL_BOOKE */
-
-static inline int mmu_get_tsize(int psize)
-{
- return mmu_psize_defs[psize].enc;
-}
-#else
-static inline int mmu_get_tsize(int psize)
-{
- /* This isn't used on !Book3E for now */
- return 0;
-}
-#endif /* CONFIG_PPC_BOOK3E_MMU */
+#endif
/* The variables below are currently only used on 64-bit Book3E
* though this will probably be made common with other nohash
@@ -166,7 +132,7 @@ int extlb_level_exc;
#endif /* CONFIG_PPC64 */
-#ifdef CONFIG_PPC_FSL_BOOK3E
+#ifdef CONFIG_PPC_E500
/* next_tlbcam_idx is used to round-robin tlbcam entry assignment */
DEFINE_PER_CPU(int, next_tlbcam_idx);
EXPORT_PER_CPU_SYMBOL(next_tlbcam_idx);
@@ -441,7 +407,7 @@ static void __init setup_page_sizes(void)
unsigned int eptcfg;
int i, psize;
-#ifdef CONFIG_PPC_FSL_BOOK3E
+#ifdef CONFIG_PPC_E500
unsigned int mmucfg = mfspr(SPRN_MMUCFG);
int fsl_mmu = mmu_has_feature(MMU_FTR_TYPE_FSL_E);
@@ -584,7 +550,7 @@ static void __init setup_mmu_htw(void)
patch_exception(0x1c0, exc_data_tlb_miss_htw_book3e);
patch_exception(0x1e0, exc_instruction_tlb_miss_htw_book3e);
break;
-#ifdef CONFIG_PPC_FSL_BOOK3E
+#ifdef CONFIG_PPC_E500
case PPC_HTW_E6500:
extlb_level_exc = EX_TLB_SIZE;
patch_exception(0x1c0, exc_data_tlb_miss_e6500_book3e);
@@ -627,7 +593,7 @@ static void early_init_this_mmu(void)
}
mtspr(SPRN_MAS4, mas4);
-#ifdef CONFIG_PPC_FSL_BOOK3E
+#ifdef CONFIG_PPC_E500
if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) {
unsigned int num_cams;
bool map = true;
@@ -680,7 +646,7 @@ static void __init early_init_mmu_global(void)
/* Look for HW tablewalk support */
setup_mmu_htw();
-#ifdef CONFIG_PPC_FSL_BOOK3E
+#ifdef CONFIG_PPC_E500
if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) {
if (book3e_htw_mode == PPC_HTW_NONE) {
extlb_level_exc = EX_TLB_SIZE;
@@ -701,7 +667,7 @@ static void __init early_init_mmu_global(void)
static void __init early_mmu_set_memory_limit(void)
{
-#ifdef CONFIG_PPC_FSL_BOOK3E
+#ifdef CONFIG_PPC_E500
if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) {
/*
* Limit memory so we dont have linear faults.
@@ -750,7 +716,7 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base,
* We crop it to the size of the first MEMBLOCK to
* avoid going over total available memory just in case...
*/
-#ifdef CONFIG_PPC_FSL_BOOK3E
+#ifdef CONFIG_PPC_E500
if (early_mmu_has_feature(MMU_FTR_TYPE_FSL_E)) {
unsigned long linear_sz;
unsigned int num_cams;