diff --git a/arch/arm/mach-tegra/tegra186/Makefile b/arch/arm/mach-tegra/tegra186/Makefile index 033d6005fb44f25252133e20c7ad32b9dc26bcf7..7f46a057bca1bd4cfc3978b2c558753d6771392e 100644 --- a/arch/arm/mach-tegra/tegra186/Makefile +++ b/arch/arm/mach-tegra/tegra186/Makefile @@ -3,5 +3,6 @@ # SPDX-License-Identifier: GPL-2.0 obj-y += ../board186.o +obj-y += cache.o obj-y += nvtboot_ll.o obj-y += nvtboot_mem.o diff --git a/arch/arm/mach-tegra/tegra186/cache.c b/arch/arm/mach-tegra/tegra186/cache.c new file mode 100644 index 0000000000000000000000000000000000000000..adaed8968eb9f2f2cab0f08061f9c8082fc13c30 --- /dev/null +++ b/arch/arm/mach-tegra/tegra186/cache.c @@ -0,0 +1,23 @@ +/* + * Copyright (c) 2016, NVIDIA CORPORATION. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <asm/system.h> + +#define SMC_SIP_INVOKE_MCE 0x82FFFF00 +#define MCE_SMC_ROC_FLUSH_CACHE 11 + +int __asm_flush_l3_cache(void) +{ + struct pt_regs regs = {0}; + + isb(); + + regs.regs[0] = SMC_SIP_INVOKE_MCE | MCE_SMC_ROC_FLUSH_CACHE; + smc_call(®s); + + return 0; +}