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/*
* Copyright (C) 2015, Shannon Zhao <shannon.zhao@linaro.org>
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; If not, see <http://www.gnu.org/licenses/>.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#ifndef _ASM_ARM_ACPI_H
#define _ASM_ARM_ACPI_H
#include <asm/setup.h>
#define COMPILER_DEPENDENT_INT64 long long
#define COMPILER_DEPENDENT_UINT64 unsigned long long
#define ACPI_MAP_MEM_ATTR PAGE_HYPERVISOR
/* Tables marked as reserved in efi table */
typedef enum {
TBL_FADT,
TBL_MADT,
TBL_STAO,
TBL_XSDT,
TBL_RSDP,
TBL_EFIT,
TBL_MMAP,
TBL_MMAX,
} EFI_MEM_RES;
bool acpi_psci_present(void);
bool acpi_psci_hvc_present(void);
void acpi_smp_init_cpus(void);
/*
* This function returns the offset of a given ACPI/EFI table in the allocated
* memory region. Currently, the tables should be created in the same order as
* their associated 'index' in the enum EFI_MEM_RES. This means the function
* won't return the correct offset until all the tables before a given 'index'
* are created.
*/
paddr_t acpi_get_table_offset(struct membank tbl_add[], EFI_MEM_RES index);
/* Macros for consistency checks of the GICC subtable of MADT */
#define ACPI_MADT_GICC_LENGTH \
(acpi_gbl_FADT.header.revision < 6 ? 76 : 80)
#define BAD_MADT_GICC_ENTRY(entry, end) \
(!(entry) || (unsigned long)(entry) + sizeof(*(entry)) > (end) || \
(entry)->header.length != ACPI_MADT_GICC_LENGTH)
#ifdef CONFIG_ACPI
extern bool acpi_disabled;
/* Basic configuration for ACPI */
static inline void disable_acpi(void)
{
acpi_disabled = true;
}
static inline void enable_acpi(void)
{
acpi_disabled = false;
}
#else
#define acpi_disabled (true)
#define disable_acpi()
#define enable_acpi()
#endif
#endif /*_ASM_ARM_ACPI_H*/
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