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

source/trusted-firmware/trusted-firmware-a-2.8/plat/arm/board/sgi575/sgi575_plat.c

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/common/platform.h>
+#include <sgi_plat.h>
+#include <sgi_variant.h>
+
+unsigned int plat_arm_sgi_get_platform_id(void)
+{
+	return mmio_read_32(SSC_VERSION) & SSC_VERSION_PART_NUM_MASK;
+}
+
+unsigned int plat_arm_sgi_get_config_id(void)
+{
+	return (mmio_read_32(SSC_VERSION) >> SSC_VERSION_CONFIG_SHIFT)
+			& SSC_VERSION_CONFIG_MASK;
+}
+
+unsigned int plat_arm_sgi_get_multi_chip_mode(void)
+{
+	return 0;
+}
+
+void bl31_platform_setup(void)
+{
+	sgi_bl31_common_platform_setup();
+}