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

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lai
2026-09-06 03:52:57 +08:00
commit b1928b41c0
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source/bootloader/u-boot-2020.01/arch/arm/cpu/armv7/sunxi/tzpc.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2015 Chen-Yu Tsai <wens@csie.org>
*/
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/tzpc.h>
/* Configure Trust Zone Protection Controller */
void tzpc_init(void)
{
struct sunxi_tzpc *tzpc = (struct sunxi_tzpc *)SUNXI_TZPC_BASE;
#ifdef CONFIG_MACH_SUN6I
/* Enable non-secure access to the RTC */
writel(SUN6I_TZPC_DECPORT0_RTC, &tzpc->decport0_set);
#endif
#ifdef CONFIG_MACH_SUN8I_H3
/* Enable non-secure access to all peripherals */
writel(SUN8I_H3_TZPC_DECPORT0_ALL, &tzpc->decport0_set);
writel(SUN8I_H3_TZPC_DECPORT1_ALL, &tzpc->decport1_set);
writel(SUN8I_H3_TZPC_DECPORT2_ALL, &tzpc->decport2_set);
#endif
}