77 lines
3.5 KiB
C
77 lines
3.5 KiB
C
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/*
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* Copyright (C) 2014 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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/*
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* This file is only a database of the frequencies used by CPU and GPU, it has no access
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* To the chip.
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*/
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#include <platform.h>
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#include <platform/soc/operating_point.h>
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#define CHIP_ID_ALL 0
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#define DELIMITER CHIPID_ALL_VOLTAGE_LAST
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static const struct operating_point_params operating_point_params[] = {
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// T8010
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{.voltage_index = DELIMITER, .chip_id = 0x8010, .voltage_type = CHIPID_GPU_VOLTAGE},
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// voltage_index P M S
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{.gpu = {CHIPID_GPU_VOLTAGE_OFF, 0, 0, 0}},
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// T8010
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{.voltage_index = DELIMITER, .chip_id = 0x8010, .voltage_type = CHIPID_CPU_VOLTAGE},
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// bypass
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// | clkSrc
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// | | fcwInt
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// | | | fcwFrac
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// | | | | pstDivS
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// | | | | | migDivS
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// | | | | | | coreTyp
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// | | | | | | | biuDiv4HiVol
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// | | | | | | | | biuDiv4LoVol
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// | | | | | | | | | dvmrMaxWgt
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// | | | | | | | | | | iexrfCfgWrData
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// | | | | | | | | | | | iexrfCfgWrIdxa
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// | | | | | | | | | | | | iexrfCfgWrIdxb
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// | | | | | | | | | | | | | exrfCfgWrIdxmuxsel
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// | | | | | | | | | | | | | |
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{.cpu = {CHIPID_CPU_VOLTAGE_BYPASS, 1, 0, 125, 0, 7, 7, kACC_CORETYP_FUSED, 2, 2, 0xf, 0, 0, 0, 0}}, // 24 MHz
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{.cpu = {CHIPID_CPU_VOLTAGE_SECUREROM,1, 1, 125, 0, 4, 7, kACC_CORETYP_FUSED, 2, 2, 0xf, 0, 0, 0, 0}}, // 300 MHz
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{.cpu = {CHIPID_CPU_VOLTAGE_396, 0, 0, 0, 0, 0, 0, kACC_CORETYP_ECORE, 2, 2, 0xf, 0, 0, 0, 0}}, // 396 MHz !!!FIXME!!! Get correct settings
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};
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const struct operating_point_params *operating_point_get_params(enum chipid_voltage_index voltage_index, enum chipid_voltage_type voltage_type)
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{
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uint64_t chip_id = chipid_get_chip_id();
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uint64_t chip_id_in_array = 0;
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size_t size = sizeof(operating_point_params)/sizeof(operating_point_params[0]);
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enum chipid_voltage_type voltage_type_in_array = CHIPID_CPU_VOLTAGE;
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size_t found = size;
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for (size_t i = 0; i < size; i++) {
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if (operating_point_params[i].voltage_index == DELIMITER) {
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chip_id_in_array = operating_point_params[i].chip_id;
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voltage_type_in_array = operating_point_params[i].voltage_type;
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continue;
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}
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if ((voltage_type_in_array != voltage_type)) {
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continue;
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}
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if ((operating_point_params[i].voltage_index == voltage_index) && ((chip_id_in_array == CHIP_ID_ALL) || (chip_id_in_array == chip_id))) {
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found = i;
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}
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}
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if (found == size) {
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panic("%s Index %d not found for chipId 0x%llx\n",
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__func__, voltage_index, chip_id);
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}
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return &operating_point_params[found];
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}
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