Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 118 insertions, 0 deletions

diff --git a/plat/mediatek/mt8183/aarch64/plat_helpers.S b/plat/mediatek/mt8183/aarch64/plat_helpers.S
new file mode 100644
index 0000000..5c39633
--- /dev/null
+++ b/plat/mediatek/mt8183/aarch64/plat_helpers.S
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <platform_def.h>
+
+	.globl plat_is_my_cpu_primary
+	.globl plat_my_core_pos
+
+func plat_is_my_cpu_primary
+	mrs x0, mpidr_el1
+	and x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
+	cmp x0, #PLAT_PRIMARY_CPU
+	cset x0, eq
+	ret
+endfunc plat_is_my_cpu_primary
+
+	/* -----------------------------------------------------
+	 * unsigned int plat_my_core_pos(void);
+	 *
+	 * result: CorePos = CoreId + (ClusterId << 2)
+	 * -----------------------------------------------------
+	 */
+func plat_my_core_pos
+	mrs     x0, mpidr_el1
+	and     x1, x0, #MPIDR_CPU_MASK
+	and     x0, x0, #MPIDR_CLUSTER_MASK
+	add     x0, x1, x0, LSR #6
+	ret
+endfunc plat_my_core_pos
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();
+}