1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/mmu.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/mmu.c
new file mode 100644
index 0000000..b75d0f8
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/mmu.c
@@ -0,0 +1,50 @@
+/*
+ * Support for Intel Camera Imaging ISP subsystem.
+ * Copyright (c) 2010-2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+/* The name "mmu.h is already taken" */
+#include "mmu_device.h"
+
+#ifndef __INLINE_MMU__
+#include "mmu_private.h"
+#endif /* __INLINE_MMU__ */
+
+void mmu_set_page_table_base_index(
+	const mmu_ID_t		ID,
+	const hrt_data		base_index)
+{
+	mmu_reg_store(ID, _HRT_MMU_PAGE_TABLE_BASE_ADDRESS_REG_IDX, base_index);
+return;
+}
+
+hrt_data mmu_get_page_table_base_index(
+	const mmu_ID_t		ID)
+{
+return mmu_reg_load(ID, _HRT_MMU_PAGE_TABLE_BASE_ADDRESS_REG_IDX);
+}
+
+void mmu_invalidate_cache(
+	const mmu_ID_t		ID)
+{
+	mmu_reg_store(ID, _HRT_MMU_INVALIDATE_TLB_REG_IDX, 1);
+return;
+}
+
+void mmu_invalidate_cache_all(void)
+{
+	mmu_ID_t	mmu_id;
+	for (mmu_id = (mmu_ID_t)0;mmu_id < N_MMU_ID; mmu_id++) {
+		mmu_invalidate_cache(mmu_id);
+	}
+}
+