diff options
Diffstat (limited to 'roms/u-boot/arch/arm/cpu/armv7/sunxi/tzpc.c')
| -rw-r--r-- | roms/u-boot/arch/arm/cpu/armv7/sunxi/tzpc.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/cpu/armv7/sunxi/tzpc.c b/roms/u-boot/arch/arm/cpu/armv7/sunxi/tzpc.c new file mode 100644 index 000000000..0c86a21a3 --- /dev/null +++ b/roms/u-boot/arch/arm/cpu/armv7/sunxi/tzpc.c @@ -0,0 +1,26 @@ +// 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 +} |