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Diffstat (limited to 'plat/mediatek/mt8183/aarch64/platform_common.c')
-rw-r--r--plat/mediatek/mt8183/aarch64/platform_common.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/plat/mediatek/mt8183/aarch64/platform_common.c b/plat/mediatek/mt8183/aarch64/platform_common.c
new file mode 100644
index 0000000..31d1339
--- /dev/null
+++ b/plat/mediatek/mt8183/aarch64/platform_common.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <mcsi/mcsi.h>
+#include <platform_def.h>
+#include <lib/utils.h>
+#include <lib/xlat_tables/xlat_tables.h>
+
+static const int cci_map[] = {
+ PLAT_MT_CCI_CLUSTER0_SL_IFACE_IX,
+ PLAT_MT_CCI_CLUSTER1_SL_IFACE_IX
+};
+
+/* Table of regions to map using the MMU. */
+const mmap_region_t plat_mmap[] = {
+ /* for TF text, RO, RW */
+ MAP_REGION_FLAT(TZRAM_BASE, TZRAM_SIZE,
+ MT_MEMORY | MT_RW | MT_SECURE),
+ MAP_REGION_FLAT(MTK_DEV_RNG0_BASE, MTK_DEV_RNG0_SIZE,
+ MT_DEVICE | MT_RW | MT_SECURE),
+ MAP_REGION_FLAT(MTK_DEV_RNG1_BASE, MTK_DEV_RNG1_SIZE,
+ MT_DEVICE | MT_RW | MT_SECURE),
+ MAP_REGION_FLAT(MTK_DEV_RNG2_BASE, MTK_DEV_RNG2_SIZE,
+ MT_DEVICE | MT_RW | MT_SECURE),
+ { 0 }
+};
+
+/*******************************************************************************
+ * Macro generating the code for the function setting up the pagetables as per
+ * the platform memory map & initialize the mmu, for the given exception level
+ ******************************************************************************/
+void plat_configure_mmu_el3(uintptr_t total_base,
+ uintptr_t total_size,
+ uintptr_t ro_start,
+ uintptr_t ro_limit,
+ uintptr_t coh_start,
+ uintptr_t coh_limit)
+{
+ mmap_add_region(total_base, total_base, total_size,
+ MT_MEMORY | MT_RW | MT_SECURE);
+ mmap_add_region(ro_start, ro_start, ro_limit - ro_start,
+ MT_MEMORY | MT_RO | MT_SECURE);
+ mmap_add_region(coh_start, coh_start, coh_limit - coh_start,
+ MT_DEVICE | MT_RW | MT_SECURE);
+ mmap_add(plat_mmap);
+ init_xlat_tables();
+ enable_mmu_el3(0);
+}
+
+unsigned int plat_get_syscnt_freq2(void)
+{
+ return SYS_COUNTER_FREQ_IN_TICKS;
+}
+
+void plat_mtk_cci_init(void)
+{
+ /* Initialize CCI driver */
+ mcsi_init(PLAT_MT_CCI_BASE, ARRAY_SIZE(cci_map));
+}
+
+void plat_mtk_cci_enable(void)
+{
+ /* Enable CCI coherency for this cluster.
+ * No need for locks as no other cpu is active at the moment.
+ */
+ cci_enable_cluster_coherency(read_mpidr());
+}
+
+void plat_mtk_cci_disable(void)
+{
+ cci_disable_cluster_coherency(read_mpidr());
+}
+
+void plat_mtk_cci_init_sf(void)
+{
+ /* Init mcsi snoop filter. */
+ cci_init_sf();
+}