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-rw-r--r--include/powerpc/qoriq_core_0/bsp/mmu.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/include/powerpc/qoriq_core_0/bsp/mmu.h b/include/powerpc/qoriq_core_0/bsp/mmu.h
new file mode 100644
index 0000000000..f08cc43384
--- /dev/null
+++ b/include/powerpc/qoriq_core_0/bsp/mmu.h
@@ -0,0 +1,101 @@
+/**
+ * @file
+ *
+ * @ingroup QorIQMMU
+ *
+ * @brief MMU API.
+ */
+
+/*
+ * Copyright (c) 2011-2015 embedded brains GmbH. All rights reserved.
+ *
+ * embedded brains GmbH
+ * Dornierstr. 4
+ * 82178 Puchheim
+ * Germany
+ * <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#ifndef LIBBSP_POWERPC_QORIQ_MMU_H
+#define LIBBSP_POWERPC_QORIQ_MMU_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <bspopts.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @defgroup QorIQMMU QorIQ - MMU Support
+ *
+ * @ingroup QorIQ
+ *
+ * @brief MMU support.
+ *
+ * @{
+ */
+
+#define QORIQ_MMU_MIN_POWER 12
+#define QORIQ_MMU_MAX_POWER 30
+#define QORIQ_MMU_POWER_STEP 2
+
+typedef struct {
+ uint32_t begin;
+ uint32_t last;
+ uint32_t mas1;
+ uint32_t mas2;
+ uint32_t mas3;
+ uint32_t mas7;
+} qoriq_mmu_entry;
+
+typedef struct {
+ int count;
+ qoriq_mmu_entry entries [QORIQ_TLB1_ENTRY_COUNT];
+} qoriq_mmu_context;
+
+void qoriq_mmu_context_init(qoriq_mmu_context *self);
+
+bool qoriq_mmu_add(
+ qoriq_mmu_context *self,
+ uint32_t begin,
+ uint32_t last,
+ uint32_t mas1,
+ uint32_t mas2,
+ uint32_t mas3,
+ uint32_t mas7
+);
+
+void qoriq_mmu_partition(qoriq_mmu_context *self, int max_count);
+
+void qoriq_mmu_write_to_tlb1(qoriq_mmu_context *self, int first_tlb);
+
+void qoriq_mmu_change_perm(uint32_t test, uint32_t set, uint32_t clear);
+
+void qoriq_mmu_config(int first_tlb, int scratch_tlb);
+
+void qoriq_tlb1_write(
+ int esel,
+ uint32_t mas1,
+ uint32_t mas2,
+ uint32_t mas3,
+ uint32_t mas7,
+ uint32_t ea,
+ uint32_t tsize
+);
+
+void qoriq_tlb1_invalidate(int esel);
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_POWERPC_QORIQ_MMU_H */