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

source/bootloader/u-boot-2020.01/arch/arm/mach-tegra/tegra186/Kconfig

@@ -0,0 +1,26 @@
+# Copyright (c) 2016, NVIDIA CORPORATION.
+#
+# SPDX-License-Identifier: GPL-2.0
+
+if TEGRA186
+
+choice
+	prompt "Tegra186 board select"
+
+config TARGET_P2771_0000
+	bool "NVIDIA Tegra186 P2771-0000 board"
+	select BOARD_LATE_INIT
+	help
+	  P2771-0000 is a P3310 CPU board married to a P2597 I/O board. The
+	  combination contains SoC, DRAM, eMMC, SD card slot, HDMI, USB
+	  micro-B port, Ethernet, USB3 host port, SATA, PCIe, and two GPIO
+	  expansion headers.
+
+endchoice
+
+config SYS_SOC
+	default "tegra186"
+
+source "board/nvidia/p2771-0000/Kconfig"
+
+endif

source/bootloader/u-boot-2020.01/arch/arm/mach-tegra/tegra186/Makefile

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+# Copyright (c) 2016, NVIDIA CORPORATION.
+#
+# SPDX-License-Identifier: GPL-2.0
+
+obj-y += cache.o

source/bootloader/u-boot-2020.01/arch/arm/mach-tegra/tegra186/cache.S

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+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2016, NVIDIA CORPORATION.
+ */
+
+#include <config.h>
+#include <linux/linkage.h>
+
+#define SMC_SIP_INVOKE_MCE		0x82FFFF00
+#define MCE_SMC_ROC_FLUSH_CACHE		(SMC_SIP_INVOKE_MCE | 11)
+#define MCE_SMC_ROC_FLUSH_CACHE_ONLY	(SMC_SIP_INVOKE_MCE | 14)
+#define MCE_SMC_ROC_CLEAN_CACHE_ONLY	(SMC_SIP_INVOKE_MCE | 15)
+
+ENTRY(__asm_tegra_cache_smc)
+	mov	x1, #0
+	mov	x2, #0
+	mov	x3, #0
+	mov	x4, #0
+	mov	x5, #0
+	mov	x6, #0
+	smc	#0
+	mov	x0, #0
+	ret
+ENDPROC(__asm_invalidate_l3_dcache)
+
+ENTRY(__asm_invalidate_l3_dcache)
+	mov	x0, #(MCE_SMC_ROC_FLUSH_CACHE_ONLY & 0xffff)
+	movk	x0, #(MCE_SMC_ROC_FLUSH_CACHE_ONLY >> 16), lsl #16
+	b	__asm_tegra_cache_smc
+ENDPROC(__asm_invalidate_l3_dcache)
+
+ENTRY(__asm_flush_l3_dcache)
+	mov	x0, #(MCE_SMC_ROC_CLEAN_CACHE_ONLY & 0xffff)
+	movk	x0, #(MCE_SMC_ROC_CLEAN_CACHE_ONLY >> 16), lsl #16
+	b	__asm_tegra_cache_smc
+ENDPROC(__asm_flush_l3_dcache)
+
+ENTRY(__asm_invalidate_l3_icache)
+	mov	x0, #(MCE_SMC_ROC_FLUSH_CACHE & 0xffff)
+	movk	x0, #(MCE_SMC_ROC_FLUSH_CACHE >> 16), lsl #16
+	b	__asm_tegra_cache_smc
+ENDPROC(__asm_invalidate_l3_icache)