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/*
* Copyright (c) 2014-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch_helpers.h>
#include <assert.h>
#include <console.h>
#include <platform.h>
#include <xlat_mmu_helpers.h>
/*
* The following platform setup functions are weakly defined. They
* provide typical implementations that may be re-used by multiple
* platforms but may also be overridden by a platform if required.
*/
#pragma weak bl31_plat_enable_mmu
#pragma weak bl32_plat_enable_mmu
#pragma weak bl31_plat_runtime_setup
#if !ERROR_DEPRECATED
#pragma weak plat_get_syscnt_freq2
#pragma weak bl31_early_platform_setup2
#endif /* ERROR_DEPRECATED */
#if SDEI_SUPPORT
#pragma weak plat_sdei_handle_masked_trigger
#pragma weak plat_sdei_validate_entry_point
#endif
void bl31_plat_enable_mmu(uint32_t flags)
{
enable_mmu_el3(flags);
}
void bl32_plat_enable_mmu(uint32_t flags)
{
enable_mmu_el1(flags);
}
void bl31_plat_runtime_setup(void)
{
#if MULTI_CONSOLE_API
console_switch_state(CONSOLE_FLAG_RUNTIME);
#else
console_uninit();
#endif
}
#if !ENABLE_PLAT_COMPAT
/*
* Helper function for platform_get_pos() when platform compatibility is
* disabled. This is to enable SPDs using the older platform API to continue
* to work.
*/
unsigned int platform_core_pos_helper(unsigned long mpidr)
{
int idx = plat_core_pos_by_mpidr(mpidr);
assert(idx >= 0);
return idx;
}
#endif
#if !ERROR_DEPRECATED
unsigned int plat_get_syscnt_freq2(void)
{
WARN("plat_get_syscnt_freq() is deprecated\n");
WARN("Please define plat_get_syscnt_freq2()\n");
/*
* Suppress deprecated declaration warning in compatibility function
*/
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
unsigned long long freq = plat_get_syscnt_freq();
#pragma GCC diagnostic pop
assert(freq >> 32 == 0);
return (unsigned int)freq;
}
void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
u_register_t arg2, u_register_t arg3)
{
bl31_early_platform_setup((void *) arg0, (void *)arg1);
}
#endif /* ERROR_DEPRECATED */
#if SDEI_SUPPORT
/*
* Function that handles spurious SDEI interrupts while events are masked.
*/
void plat_sdei_handle_masked_trigger(uint64_t mpidr, unsigned int intr)
{
WARN("Spurious SDEI interrupt %u on masked PE %llx\n", intr, mpidr);
}
/*
* Default Function to validate SDEI entry point, which returns success.
* Platforms may override this with their own validation mechanism.
*/
int plat_sdei_validate_entry_point(uintptr_t ep, unsigned int client_mode)
{
return 0;
}
#endif
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