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Diffstat (limited to 'plat/socionext/synquacer/sq_xlat_setup.c')
-rw-r--r--plat/socionext/synquacer/sq_xlat_setup.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/plat/socionext/synquacer/sq_xlat_setup.c b/plat/socionext/synquacer/sq_xlat_setup.c
new file mode 100644
index 0000000..5d1669d
--- /dev/null
+++ b/plat/socionext/synquacer/sq_xlat_setup.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <platform_def.h>
+
+#include <common/debug.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+
+#define SQ_REG_REGION_BASE 0x20000000ULL
+#define SQ_REG_REGION_SIZE 0x60000000ULL
+
+void sq_mmap_setup(uintptr_t total_base, size_t total_size,
+ const struct mmap_region *mmap)
+{
+ VERBOSE("Trusted RAM seen by this BL image: %p - %p\n",
+ (void *)total_base, (void *)(total_base + total_size));
+ mmap_add_region(total_base, total_base,
+ total_size,
+ MT_NON_CACHEABLE | MT_RW | MT_SECURE);
+
+ /* remap the code section */
+ VERBOSE("Code region: %p - %p\n",
+ (void *)BL_CODE_BASE, (void *)BL_CODE_END);
+ mmap_add_region(BL_CODE_BASE, BL_CODE_BASE,
+ round_up(BL_CODE_END, PAGE_SIZE) - BL_CODE_BASE,
+ MT_NON_CACHEABLE | MT_RO | MT_SECURE);
+
+ /* Re-map the read-only data section */
+ VERBOSE("Read-only data region: %p - %p\n",
+ (void *)BL_RO_DATA_BASE, (void *)BL_RO_DATA_END);
+ mmap_add_region(BL_RO_DATA_BASE, BL_RO_DATA_BASE,
+ round_up(BL_RO_DATA_END, PAGE_SIZE) - BL_RO_DATA_BASE,
+ (MT_NON_CACHEABLE | MT_RO | MT_EXECUTE_NEVER |
+ MT_SECURE));
+
+ /* remap the coherent memory region */
+ VERBOSE("Coherent region: %p - %p\n",
+ (void *)BL_COHERENT_RAM_BASE, (void *)BL_COHERENT_RAM_END);
+ mmap_add_region(BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_BASE,
+ BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE,
+ MT_DEVICE | MT_RW | MT_SECURE);
+
+ /* register region */
+ mmap_add_region(SQ_REG_REGION_BASE, SQ_REG_REGION_BASE,
+ SQ_REG_REGION_SIZE,
+ MT_DEVICE | MT_RW | MT_SECURE);
+
+ /* additional regions if needed */
+ if (mmap)
+ mmap_add(mmap);
+
+ init_xlat_tables();
+}