70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/*
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* Copyright (C) 2015 Apple Inc. All rights reserved.
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*
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* This document is the property of Apple Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Inc.
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*/
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#ifndef __PLATFORM_SOC_TUNABLES_H
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#define __PLATFORM_SOC_TUNABLES_H
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#include <sys/types.h>
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struct __attribute__((packed)) tunable_struct {
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int32_t offset:27;
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int32_t size:5;
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uint32_t mask;
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uint32_t value;
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};
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struct __attribute__((packed)) tunable_struct64 {
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int32_t offset:27;
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int32_t size:5;
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uint64_t mask;
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uint64_t value;
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};
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struct tunable_struct_unpacked {
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int32_t offset;
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int32_t size;
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uint64_t mask;
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uint64_t value;
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};
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struct tunable_chip_struct {
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uint32_t chip_rev;
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uint64_t base_address;
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const struct tunable_struct *tunable;
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const struct tunable_struct64 *tunable64;
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bool reconfig;
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};
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struct tunable_filtered_chip_struct {
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uint32_t chip_rev;
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uint32_t starting_address;
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uint32_t ending_address;
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bool cold_boot;
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bool reconfig;
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};
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struct tunable_chip_array {
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const struct tunable_chip_struct *tunable_chip;
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size_t num_tunable_chips;
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uintptr_t dt_base;
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};
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#define TUNABLE_TABLE_END_MARKER { -1, -1, -1, -1 }
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void platform_apply_tunables(const struct tunable_chip_struct *tunable_chips,
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uint32_t num_tunable_chips, const char* type);
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uint8_t *platform_apply_dt_tunables(const struct tunable_chip_struct *tunable_chips,
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uint32_t num_tunable_chips, uint8_t *buffer,
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uintptr_t dt_base, const char *type);
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#endif
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