GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/*
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <platform_def.h>
+#include <plat/arm/common/arm_config.h>
+#include <plat/arm/common/plat_arm.h>
+
+#define MAP_PERIPHBASE	MAP_REGION_FLAT(PERIPHBASE,\
+					PERIPH_SIZE,\
+					MT_DEVICE | MT_RW | MT_SECURE)
+
+#define MAP_A5_PERIPHERALS	MAP_REGION_FLAT(A5_PERIPHERALS_BASE,\
+					A5_PERIPHERALS_SIZE,\
+					MT_DEVICE | MT_RW | MT_SECURE)
+
+#ifdef IMAGE_BL1
+const mmap_region_t plat_arm_mmap[] = {
+	ARM_MAP_SHARED_RAM,
+	MAP_PERIPHBASE,
+	MAP_A5_PERIPHERALS,
+	MAP_BOOT_RW,
+	{0}
+};
+#endif
+#ifdef IMAGE_BL2
+const mmap_region_t plat_arm_mmap[] = {
+	ARM_MAP_SHARED_RAM,
+	MAP_PERIPHBASE,
+	MAP_A5_PERIPHERALS,
+	MAP_BOOT_RW,
+	ARM_MAP_NS_DRAM1,
+	{0}
+};
+#endif
+#ifdef IMAGE_BL32
+const mmap_region_t plat_arm_mmap[] = {
+	ARM_MAP_SHARED_RAM,
+	MAP_PERIPHBASE,
+	MAP_A5_PERIPHERALS,
+	{0}
+};
+#endif
+
+ARM_CASSERT_MMAP
+
+unsigned int plat_get_syscnt_freq2(void)
+{
+	return A5DS_TIMER_BASE_FREQUENCY;
+}