plat: marvell: Add common ARMADA platform components
Add common Marvell ARMADA platform components.
This patch also includes common components for Marvell
ARMADA 8K platforms.
Change-Id: I42192fdc6525a42e46b3ac2ad63c83db9bcbfeaf
Signed-off-by: Hanna Hawa <hannah@marvell.com>
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
diff --git a/plat/marvell/common/aarch64/marvell_common.c b/plat/marvell/common/aarch64/marvell_common.c
new file mode 100644
index 0000000..abc501a
--- /dev/null
+++ b/plat/marvell/common/aarch64/marvell_common.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <assert.h>
+#include <debug.h>
+#include <mmio.h>
+#include <plat_marvell.h>
+#include <platform_def.h>
+#include <xlat_tables.h>
+
+
+/* Weak definitions may be overridden in specific ARM standard platform */
+#pragma weak plat_get_ns_image_entrypoint
+#pragma weak plat_marvell_get_mmap
+
+/*
+ * Set up the page tables for the generic and platform-specific memory regions.
+ * The extents of the generic memory regions are specified by the function
+ * arguments and consist of:
+ * - Trusted SRAM seen by the BL image;
+ * - Code section;
+ * - Read-only data section;
+ * - Coherent memory region, if applicable.
+ */
+void marvell_setup_page_tables(uintptr_t total_base,
+ size_t total_size,
+ uintptr_t code_start,
+ uintptr_t code_limit,
+ uintptr_t rodata_start,
+ uintptr_t rodata_limit
+#if USE_COHERENT_MEM
+ ,
+ uintptr_t coh_start,
+ uintptr_t coh_limit
+#endif
+ )
+{
+ /*
+ * Map the Trusted SRAM with appropriate memory attributes.
+ * Subsequent mappings will adjust the attributes for specific regions.
+ */
+ VERBOSE("Trusted SRAM 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_MEMORY | MT_RW | MT_SECURE);
+
+ /* Re-map the code section */
+ VERBOSE("Code region: %p - %p\n",
+ (void *) code_start, (void *) code_limit);
+ mmap_add_region(code_start, code_start,
+ code_limit - code_start,
+ MT_CODE | MT_SECURE);
+
+ /* Re-map the read-only data section */
+ VERBOSE("Read-only data region: %p - %p\n",
+ (void *) rodata_start, (void *) rodata_limit);
+ mmap_add_region(rodata_start, rodata_start,
+ rodata_limit - rodata_start,
+ MT_RO_DATA | MT_SECURE);
+
+#if USE_COHERENT_MEM
+ /* Re-map the coherent memory region */
+ VERBOSE("Coherent region: %p - %p\n",
+ (void *) coh_start, (void *) coh_limit);
+ mmap_add_region(coh_start, coh_start,
+ coh_limit - coh_start,
+ MT_DEVICE | MT_RW | MT_SECURE);
+#endif
+
+ /* Now (re-)map the platform-specific memory regions */
+ mmap_add(plat_marvell_get_mmap());
+
+ /* Create the page tables to reflect the above mappings */
+ init_xlat_tables();
+}
+
+unsigned long plat_get_ns_image_entrypoint(void)
+{
+ return PLAT_MARVELL_NS_IMAGE_OFFSET;
+}
+
+/*****************************************************************************
+ * Gets SPSR for BL32 entry
+ *****************************************************************************
+ */
+uint32_t marvell_get_spsr_for_bl32_entry(void)
+{
+ /*
+ * The Secure Payload Dispatcher service is responsible for
+ * setting the SPSR prior to entry into the BL32 image.
+ */
+ return 0;
+}
+
+/*****************************************************************************
+ * Gets SPSR for BL33 entry
+ *****************************************************************************
+ */
+uint32_t marvell_get_spsr_for_bl33_entry(void)
+{
+ unsigned long el_status;
+ unsigned int mode;
+ uint32_t spsr;
+
+ /* Figure out what mode we enter the non-secure world in */
+ el_status = read_id_aa64pfr0_el1() >> ID_AA64PFR0_EL2_SHIFT;
+ el_status &= ID_AA64PFR0_ELX_MASK;
+
+ mode = (el_status) ? MODE_EL2 : MODE_EL1;
+
+ /*
+ * TODO: Consider the possibility of specifying the SPSR in
+ * the FIP ToC and allowing the platform to have a say as
+ * well.
+ */
+ spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
+ return spsr;
+}
+
+/*****************************************************************************
+ * Returns ARM platform specific memory map regions.
+ *****************************************************************************
+ */
+const mmap_region_t *plat_marvell_get_mmap(void)
+{
+ return plat_marvell_mmap;
+}
+