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-rw-r--r--arch/arm/firmware/trusted_foundations.c103
1 files changed, 0 insertions, 103 deletions
diff --git a/arch/arm/firmware/trusted_foundations.c b/arch/arm/firmware/trusted_foundations.c
deleted file mode 100644
index 689e6565abfc..000000000000
--- a/arch/arm/firmware/trusted_foundations.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Trusted Foundations support for ARM CPUs
- *
- * Copyright (c) 2013, NVIDIA Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/of.h>
-#include <asm/firmware.h>
-#include <asm/trusted_foundations.h>
-
-#define TF_SET_CPU_BOOT_ADDR_SMC 0xfffff200
-
-#define TF_CPU_PM 0xfffffffc
-#define TF_CPU_PM_S3 0xffffffe3
-#define TF_CPU_PM_S2 0xffffffe6
-#define TF_CPU_PM_S2_NO_MC_CLK 0xffffffe5
-#define TF_CPU_PM_S1 0xffffffe4
-#define TF_CPU_PM_S1_NOFLUSH_L2 0xffffffe7
-
-static unsigned long cpu_boot_addr;
-
-static void tf_generic_smc(u32 type, u32 arg1, u32 arg2)
-{
- register u32 r0 asm("r0") = type;
- register u32 r1 asm("r1") = arg1;
- register u32 r2 asm("r2") = arg2;
-
- asm volatile(
- ".arch_extension sec\n\t"
- "stmfd sp!, {r4 - r11}\n\t"
- __asmeq("%0", "r0")
- __asmeq("%1", "r1")
- __asmeq("%2", "r2")
- "mov r3, #0\n\t"
- "mov r4, #0\n\t"
- "smc #0\n\t"
- "ldmfd sp!, {r4 - r11}\n\t"
- :
- : "r" (r0), "r" (r1), "r" (r2)
- : "memory", "r3", "r12", "lr");
-}
-
-static int tf_set_cpu_boot_addr(int cpu, unsigned long boot_addr)
-{
- cpu_boot_addr = boot_addr;
- tf_generic_smc(TF_SET_CPU_BOOT_ADDR_SMC, cpu_boot_addr, 0);
-
- return 0;
-}
-
-static int tf_prepare_idle(void)
-{
- tf_generic_smc(TF_CPU_PM, TF_CPU_PM_S1_NOFLUSH_L2, cpu_boot_addr);
-
- return 0;
-}
-
-static const struct firmware_ops trusted_foundations_ops = {
- .set_cpu_boot_addr = tf_set_cpu_boot_addr,
- .prepare_idle = tf_prepare_idle,
-};
-
-void register_trusted_foundations(struct trusted_foundations_platform_data *pd)
-{
- /*
- * we are not using version information for now since currently
- * supported SMCs are compatible with all TF releases
- */
- register_firmware_ops(&trusted_foundations_ops);
-}
-
-void of_register_trusted_foundations(void)
-{
- struct device_node *node;
- struct trusted_foundations_platform_data pdata;
- int err;
-
- node = of_find_compatible_node(NULL, NULL, "tlm,trusted-foundations");
- if (!node)
- return;
-
- err = of_property_read_u32(node, "tlm,version-major",
- &pdata.version_major);
- if (err != 0)
- panic("Trusted Foundation: missing version-major property\n");
- err = of_property_read_u32(node, "tlm,version-minor",
- &pdata.version_minor);
- if (err != 0)
- panic("Trusted Foundation: missing version-minor property\n");
- register_trusted_foundations(&pdata);
-}