config PLAT_VERSATILE
bool
-source "arch/arm/firmware/Kconfig"
-
source "arch/arm/mm/Kconfig"
config IWMMXT
core-y += arch/arm/probes/
core-y += arch/arm/net/
core-y += arch/arm/crypto/
-core-y += arch/arm/firmware/
core-y += $(machdirs) $(platdirs)
drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
+++ /dev/null
-config ARCH_SUPPORTS_FIRMWARE
- bool
-
-config ARCH_SUPPORTS_TRUSTED_FOUNDATIONS
- bool
- select ARCH_SUPPORTS_FIRMWARE
-
-menu "Firmware options"
- depends on ARCH_SUPPORTS_FIRMWARE
-
-config TRUSTED_FOUNDATIONS
- bool "Trusted Foundations secure monitor support"
- depends on ARCH_SUPPORTS_TRUSTED_FOUNDATIONS
- default y
- help
- Some devices (including most Tegra-based consumer devices on the
- market) are booted with the Trusted Foundations secure monitor
- active, requiring some core operations to be performed by the secure
- monitor instead of the kernel.
-
- This option allows the kernel to invoke the secure monitor whenever
- required on devices using Trusted Foundations. See
- arch/arm/include/asm/trusted_foundations.h or the
- tlm,trusted-foundations device tree binding documentation for details
- on how to use it.
-
- Say n if you don't know what this is about.
-
-endmenu
+++ /dev/null
-obj-$(CONFIG_TRUSTED_FOUNDATIONS) += trusted_foundations.o
-
-# tf_generic_smc() fails to build with -fsanitize-coverage=trace-pc
-KCOV_INSTRUMENT := n
+++ /dev/null
-/*
- * 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/hardware/cache-l2x0.h>
-#include <asm/outercache.h>
-#include <asm/trusted_foundations.h>
-
-#define TF_CACHE_MAINT 0xfffff100
-
-#define TF_CACHE_ENABLE 1
-#define TF_CACHE_DISABLE 2
-
-#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(unsigned long mode)
-{
- switch (mode) {
- case TF_PM_MODE_LP0:
- tf_generic_smc(TF_CPU_PM, TF_CPU_PM_S3, cpu_boot_addr);
- break;
-
- case TF_PM_MODE_LP1:
- tf_generic_smc(TF_CPU_PM, TF_CPU_PM_S2, cpu_boot_addr);
- break;
-
- case TF_PM_MODE_LP1_NO_MC_CLK:
- tf_generic_smc(TF_CPU_PM, TF_CPU_PM_S2_NO_MC_CLK,
- cpu_boot_addr);
- break;
-
- case TF_PM_MODE_LP2:
- tf_generic_smc(TF_CPU_PM, TF_CPU_PM_S1, cpu_boot_addr);
- break;
-
- case TF_PM_MODE_LP2_NOFLUSH_L2:
- tf_generic_smc(TF_CPU_PM, TF_CPU_PM_S1_NOFLUSH_L2,
- cpu_boot_addr);
- break;
-
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-#ifdef CONFIG_CACHE_L2X0
-static void tf_cache_write_sec(unsigned long val, unsigned int reg)
-{
- u32 l2x0_way_mask = 0xff;
-
- switch (reg) {
- case L2X0_CTRL:
- if (l2x0_saved_regs.aux_ctrl & L310_AUX_CTRL_ASSOCIATIVITY_16)
- l2x0_way_mask = 0xffff;
-
- if (val == L2X0_CTRL_EN)
- tf_generic_smc(TF_CACHE_MAINT, TF_CACHE_ENABLE,
- l2x0_saved_regs.aux_ctrl);
- else
- tf_generic_smc(TF_CACHE_MAINT, TF_CACHE_DISABLE,
- l2x0_way_mask);
- break;
-
- default:
- break;
- }
-}
-
-static int tf_init_cache(void)
-{
- outer_cache.write_sec = tf_cache_write_sec;
-
- return 0;
-}
-#endif /* CONFIG_CACHE_L2X0 */
-
-static const struct firmware_ops trusted_foundations_ops = {
- .set_cpu_boot_addr = tf_set_cpu_boot_addr,
- .prepare_idle = tf_prepare_idle,
-#ifdef CONFIG_CACHE_L2X0
- .l2x0_init = tf_init_cache,
-#endif
-};
-
-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);
-}
-
-bool trusted_foundations_registered(void)
-{
- return firmware_ops == &trusted_foundations_ops;
-}
+++ /dev/null
-/*
- * 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.
- */
-
-/*
- * Support for the Trusted Foundations secure monitor.
- *
- * Trusted Foundation comes active on some ARM consumer devices (most
- * Tegra-based devices sold on the market are concerned). Such devices can only
- * perform some basic operations, like setting the CPU reset vector, through
- * SMC calls to the secure monitor. The calls are completely specific to
- * Trusted Foundations, and do *not* follow the SMC calling convention or the
- * PSCI standard.
- */
-
-#ifndef __ASM_ARM_TRUSTED_FOUNDATIONS_H
-#define __ASM_ARM_TRUSTED_FOUNDATIONS_H
-
-#include <linux/printk.h>
-#include <linux/bug.h>
-#include <linux/of.h>
-#include <linux/cpu.h>
-#include <linux/smp.h>
-#include <linux/types.h>
-
-#include <asm/hardware/cache-l2x0.h>
-#include <asm/outercache.h>
-
-#define TF_PM_MODE_LP0 0
-#define TF_PM_MODE_LP1 1
-#define TF_PM_MODE_LP1_NO_MC_CLK 2
-#define TF_PM_MODE_LP2 3
-#define TF_PM_MODE_LP2_NOFLUSH_L2 4
-
-struct trusted_foundations_platform_data {
- unsigned int version_major;
- unsigned int version_minor;
-};
-
-#if IS_ENABLED(CONFIG_TRUSTED_FOUNDATIONS)
-
-void register_trusted_foundations(struct trusted_foundations_platform_data *pd);
-void of_register_trusted_foundations(void);
-bool trusted_foundations_registered(void);
-
-#else /* CONFIG_TRUSTED_FOUNDATIONS */
-static inline void tf_dummy_write_sec(unsigned long val, unsigned int reg)
-{
-}
-
-static inline void register_trusted_foundations(
- struct trusted_foundations_platform_data *pd)
-{
- /*
- * If the system requires TF and we cannot provide it, continue booting
- * but disable features that cannot be provided.
- */
- pr_err("No support for Trusted Foundations, continuing in degraded mode.\n");
- pr_err("Secondary processors as well as CPU PM will be disabled.\n");
-#if IS_ENABLED(CONFIG_CACHE_L2X0)
- pr_err("L2X0 cache will be kept disabled.\n");
- outer_cache.write_sec = tf_dummy_write_sec;
-#endif
-#if IS_ENABLED(CONFIG_SMP)
- setup_max_cpus = 0;
-#endif
- cpu_idle_poll_ctrl(true);
-}
-
-static inline void of_register_trusted_foundations(void)
-{
- /*
- * If we find the target should enable TF but does not support it,
- * fail as the system won't be able to do much anyway
- */
- if (of_find_compatible_node(NULL, NULL, "tlm,trusted-foundations"))
- register_trusted_foundations(NULL);
-}
-
-static inline bool trusted_foundations_registered(void)
-{
- return false;
-}
-#endif /* CONFIG_TRUSTED_FOUNDATIONS */
-
-#endif
bool "NVIDIA Tegra"
depends on ARCH_MULTI_V7
select ARCH_HAS_RESET_CONTROLLER
- select ARCH_SUPPORTS_TRUSTED_FOUNDATIONS
select ARM_AMBA
select ARM_GIC
select CLKSRC_MMIO
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/firmware/trusted_foundations.h>
+
#include <asm/cpuidle.h>
#include <asm/smp_plat.h>
#include <asm/suspend.h>
-#include <asm/trusted_foundations.h>
#include <asm/psci.h>
#include "cpuidle.h"
#include <linux/spinlock.h>
#include <linux/suspend.h>
+#include <linux/firmware/trusted_foundations.h>
+
#include <soc/tegra/flowctrl.h>
#include <soc/tegra/fuse.h>
#include <soc/tegra/pm.h>
#include <asm/smp_plat.h>
#include <asm/suspend.h>
#include <asm/tlbflush.h>
-#include <asm/trusted_foundations.h>
#include "iomap.h"
#include "pm.h"
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/firmware/trusted_foundations.h>
+
#include <soc/tegra/fuse.h>
#include <asm/cacheflush.h>
#include <asm/firmware.h>
#include <asm/hardware/cache-l2x0.h>
-#include <asm/trusted_foundations.h>
#include "iomap.h"
#include "irammap.h"
#include <linux/sys_soc.h>
#include <linux/usb/tegra_usb_phy.h>
+#include <linux/firmware/trusted_foundations.h>
+
#include <soc/tegra/fuse.h>
#include <soc/tegra/pmc.h>
#include <asm/mach/time.h>
#include <asm/mach-types.h>
#include <asm/setup.h>
-#include <asm/trusted_foundations.h>
#include "board.h"
#include "common.h"
This protocol library is used by client drivers to use the features
provided by the system controller.
+config TRUSTED_FOUNDATIONS
+ bool "Trusted Foundations secure monitor support"
+ depends on ARM
+ help
+ Some devices (including most early Tegra-based consumer devices on
+ the market) are booted with the Trusted Foundations secure monitor
+ active, requiring some core operations to be performed by the secure
+ monitor instead of the kernel.
+
+ This option allows the kernel to invoke the secure monitor whenever
+ required on devices using Trusted Foundations. See the functions and
+ comments in linux/firmware/trusted_foundations.h or the device tree
+ bindings for "tlm,trusted-foundations" for details on how to use it.
+
+ Choose N if you don't know what this is about.
+
config HAVE_ARM_SMCCC
bool
obj-$(CONFIG_QCOM_SCM_32) += qcom_scm-32.o
CFLAGS_qcom_scm-32.o :=$(call as-instr,.arch armv7-a\n.arch_extension sec,-DREQUIRES_SEC=1) -march=armv7-a
obj-$(CONFIG_TI_SCI_PROTOCOL) += ti_sci.o
+obj-$(CONFIG_TRUSTED_FOUNDATIONS) += trusted_foundations.o
obj-$(CONFIG_ARM_SCMI_PROTOCOL) += arm_scmi/
obj-y += broadcom/
--- /dev/null
+/*
+ * 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 <linux/firmware/trusted_foundations.h>
+
+#include <asm/firmware.h>
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/outercache.h>
+
+#define TF_CACHE_MAINT 0xfffff100
+
+#define TF_CACHE_ENABLE 1
+#define TF_CACHE_DISABLE 2
+
+#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(unsigned long mode)
+{
+ switch (mode) {
+ case TF_PM_MODE_LP0:
+ tf_generic_smc(TF_CPU_PM, TF_CPU_PM_S3, cpu_boot_addr);
+ break;
+
+ case TF_PM_MODE_LP1:
+ tf_generic_smc(TF_CPU_PM, TF_CPU_PM_S2, cpu_boot_addr);
+ break;
+
+ case TF_PM_MODE_LP1_NO_MC_CLK:
+ tf_generic_smc(TF_CPU_PM, TF_CPU_PM_S2_NO_MC_CLK,
+ cpu_boot_addr);
+ break;
+
+ case TF_PM_MODE_LP2:
+ tf_generic_smc(TF_CPU_PM, TF_CPU_PM_S1, cpu_boot_addr);
+ break;
+
+ case TF_PM_MODE_LP2_NOFLUSH_L2:
+ tf_generic_smc(TF_CPU_PM, TF_CPU_PM_S1_NOFLUSH_L2,
+ cpu_boot_addr);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_CACHE_L2X0
+static void tf_cache_write_sec(unsigned long val, unsigned int reg)
+{
+ u32 l2x0_way_mask = 0xff;
+
+ switch (reg) {
+ case L2X0_CTRL:
+ if (l2x0_saved_regs.aux_ctrl & L310_AUX_CTRL_ASSOCIATIVITY_16)
+ l2x0_way_mask = 0xffff;
+
+ if (val == L2X0_CTRL_EN)
+ tf_generic_smc(TF_CACHE_MAINT, TF_CACHE_ENABLE,
+ l2x0_saved_regs.aux_ctrl);
+ else
+ tf_generic_smc(TF_CACHE_MAINT, TF_CACHE_DISABLE,
+ l2x0_way_mask);
+ break;
+
+ default:
+ break;
+ }
+}
+
+static int tf_init_cache(void)
+{
+ outer_cache.write_sec = tf_cache_write_sec;
+
+ return 0;
+}
+#endif /* CONFIG_CACHE_L2X0 */
+
+static const struct firmware_ops trusted_foundations_ops = {
+ .set_cpu_boot_addr = tf_set_cpu_boot_addr,
+ .prepare_idle = tf_prepare_idle,
+#ifdef CONFIG_CACHE_L2X0
+ .l2x0_init = tf_init_cache,
+#endif
+};
+
+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);
+}
+
+bool trusted_foundations_registered(void)
+{
+ return firmware_ops == &trusted_foundations_ops;
+}
--- /dev/null
+/*
+ * 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.
+ */
+
+/*
+ * Support for the Trusted Foundations secure monitor.
+ *
+ * Trusted Foundation comes active on some ARM consumer devices (most
+ * Tegra-based devices sold on the market are concerned). Such devices can only
+ * perform some basic operations, like setting the CPU reset vector, through
+ * SMC calls to the secure monitor. The calls are completely specific to
+ * Trusted Foundations, and do *not* follow the SMC calling convention or the
+ * PSCI standard.
+ */
+
+#ifndef __FIRMWARE_TRUSTED_FOUNDATIONS_H
+#define __FIRMWARE_TRUSTED_FOUNDATIONS_H
+
+#include <linux/printk.h>
+#include <linux/bug.h>
+#include <linux/of.h>
+#include <linux/cpu.h>
+#include <linux/smp.h>
+#include <linux/types.h>
+
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/outercache.h>
+
+#define TF_PM_MODE_LP0 0
+#define TF_PM_MODE_LP1 1
+#define TF_PM_MODE_LP1_NO_MC_CLK 2
+#define TF_PM_MODE_LP2 3
+#define TF_PM_MODE_LP2_NOFLUSH_L2 4
+
+struct trusted_foundations_platform_data {
+ unsigned int version_major;
+ unsigned int version_minor;
+};
+
+#if IS_ENABLED(CONFIG_TRUSTED_FOUNDATIONS)
+
+void register_trusted_foundations(struct trusted_foundations_platform_data *pd);
+void of_register_trusted_foundations(void);
+bool trusted_foundations_registered(void);
+
+#else /* CONFIG_TRUSTED_FOUNDATIONS */
+static inline void tf_dummy_write_sec(unsigned long val, unsigned int reg)
+{
+}
+
+static inline void register_trusted_foundations(
+ struct trusted_foundations_platform_data *pd)
+{
+ /*
+ * If the system requires TF and we cannot provide it, continue booting
+ * but disable features that cannot be provided.
+ */
+ pr_err("No support for Trusted Foundations, continuing in degraded mode.\n");
+ pr_err("Secondary processors as well as CPU PM will be disabled.\n");
+#if IS_ENABLED(CONFIG_CACHE_L2X0)
+ pr_err("L2X0 cache will be kept disabled.\n");
+ outer_cache.write_sec = tf_dummy_write_sec;
+#endif
+#if IS_ENABLED(CONFIG_SMP)
+ setup_max_cpus = 0;
+#endif
+ cpu_idle_poll_ctrl(true);
+}
+
+static inline void of_register_trusted_foundations(void)
+{
+ /*
+ * If we find the target should enable TF but does not support it,
+ * fail as the system won't be able to do much anyway
+ */
+ if (of_find_compatible_node(NULL, NULL, "tlm,trusted-foundations"))
+ register_trusted_foundations(NULL);
+}
+
+static inline bool trusted_foundations_registered(void)
+{
+ return false;
+}
+#endif /* CONFIG_TRUSTED_FOUNDATIONS */
+
+#endif
projects / openwrt / staging / blogic.git / commitdiff