summaryrefslogtreecommitdiff
path: root/arch/nios2
diff options
context:
space:
mode:
Diffstat (limited to 'arch/nios2')
-rw-r--r--arch/nios2/Kconfig1
-rw-r--r--arch/nios2/include/asm/cachetype.h10
-rw-r--r--arch/nios2/include/asm/pgtable.h2
3 files changed, 13 insertions, 0 deletions
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig
index 79d3039b29f1..9c0e6eaeb005 100644
--- a/arch/nios2/Kconfig
+++ b/arch/nios2/Kconfig
@@ -2,6 +2,7 @@
config NIOS2
def_bool y
select ARCH_32BIT_OFF_T
+ select ARCH_HAS_CPU_CACHE_ALIASING
select ARCH_HAS_DMA_PREP_COHERENT
select ARCH_HAS_SYNC_DMA_FOR_CPU
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
diff --git a/arch/nios2/include/asm/cachetype.h b/arch/nios2/include/asm/cachetype.h
new file mode 100644
index 000000000000..eb9c416b8a1c
--- /dev/null
+++ b/arch/nios2/include/asm/cachetype.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_NIOS2_CACHETYPE_H
+#define __ASM_NIOS2_CACHETYPE_H
+
+#include <asm/page.h>
+#include <asm/cache.h>
+
+#define cpu_dcache_is_aliasing() (NIOS2_DCACHE_SIZE > PAGE_SIZE)
+
+#endif
diff --git a/arch/nios2/include/asm/pgtable.h b/arch/nios2/include/asm/pgtable.h
index 5144506dfa69..d052dfcbe8d3 100644
--- a/arch/nios2/include/asm/pgtable.h
+++ b/arch/nios2/include/asm/pgtable.h
@@ -178,6 +178,8 @@ static inline void set_pte(pte_t *ptep, pte_t pteval)
*ptep = pteval;
}
+#define PFN_PTE_SHIFT 0
+
static inline void set_ptes(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte, unsigned int nr)
{