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/*
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* Copyright (C) 2012-2014 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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#include <debug.h>
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#include <platform.h>
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#include <platform/soc/chipid.h>
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#include <platform/soc/hwclocks.h>
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#define CHIPID_VOLTAGE_FIXED 0
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#define CHIPID_MODE_NONE 0
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struct chipid_voltage_config {
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uint32_t safe_voltage;
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uint32_t mode;
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};
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#if SUB_PLATFORM_T7000 || SUB_PLATFORM_T7001
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#if SUB_PLATFORM_T7000
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static struct chipid_voltage_config chipid_cpu_voltages[] = {
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[CHIPID_CPU_VOLTAGE_BYPASS] = {1000, CHIPID_MODE_NONE},
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[CHIPID_CPU_VOLTAGE_SECUREROM] = {1000, CHIPID_MODE_NONE},
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[CHIPID_CPU_VOLTAGE_V0] = { 775, 1},
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[CHIPID_CPU_VOLTAGE_V1] = { 800, 3},
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[CHIPID_CPU_VOLTAGE_V2] = { 880, 4},
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[CHIPID_CPU_VOLTAGE_V3] = { 995, 5},
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#if !SUB_TARGET_N102
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[CHIPID_CPU_VOLTAGE_V4] = {1125, 7},
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#endif
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#if SUB_TARGET_J96 || SUB_TARGET_J97
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[CHIPID_CPU_VOLTAGE_V5] = {1195, 8},
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#endif
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};
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static struct chipid_voltage_config chipid_soc_voltages[] = {
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[CHIPID_SOC_VOLTAGE_BYPASS] = {950, CHIPID_MODE_NONE},
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[CHIPID_SOC_VOLTAGE_SECUREROM] = {950, CHIPID_MODE_NONE},
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[CHIPID_SOC_VOLTAGE_IBOOT_MEM_LOW_PERF] = {900, CHIPID_MODE_NONE},
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[CHIPID_SOC_VOLTAGE_VMIN] = {900, 1},
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[CHIPID_SOC_VOLTAGE_VNOM] = {950, 2},
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};
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static struct chipid_voltage_config chipid_gpu_voltages[] = {
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[CHIPID_GPU_VOLTAGE_OFF] = { 0, CHIPID_MODE_NONE},
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[CHIPID_GPU_VOLTAGE_V0] = { 900, 1},
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[CHIPID_GPU_VOLTAGE_V0_DIDT] = { 900, 1},
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[CHIPID_GPU_VOLTAGE_V1] = { 950, 2},
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[CHIPID_GPU_VOLTAGE_V1_DIDT] = { 950, 2},
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[CHIPID_GPU_VOLTAGE_V2] = {1050, 3},
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[CHIPID_GPU_VOLTAGE_V2_DIDT] = {1050, 3},
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#if SUB_TARGET_N56 || SUB_TARGET_J42 || SUB_TARGET_J42D || SUB_TARGET_J96 || SUB_TARGET_J97
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[CHIPID_GPU_VOLTAGE_V3] = {1050, 4},
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[CHIPID_GPU_VOLTAGE_V3_DIDT] = {1050, 4},
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#endif
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#if SUB_TARGET_J96 || SUB_TARGET_J97
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[CHIPID_GPU_VOLTAGE_V4] = {1010, 5},
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[CHIPID_GPU_VOLTAGE_V4_DIDT] = {1010, 5},
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[CHIPID_GPU_VOLTAGE_V5] = {}, //CHIPID_GPU_VOLTAGE_V5 not used on J96/J97
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[CHIPID_GPU_VOLTAGE_V5_DIDT] = {},
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#endif
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};
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static struct chipid_voltage_config chipid_sram_voltages[] = {
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#if SUB_TARGET_N56 || SUB_TARGET_J42 || SUB_TARGET_J42D
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[CHIPID_VOLTAGE_FIXED] = {970, 1},
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#else
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[CHIPID_VOLTAGE_FIXED] = {950, 1},
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#endif
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};
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#elif SUB_PLATFORM_T7001
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static struct chipid_voltage_config chipid_cpu_voltages[] = {
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[CHIPID_CPU_VOLTAGE_BYPASS] = {1000, CHIPID_MODE_NONE},
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[CHIPID_CPU_VOLTAGE_SECUREROM] = {1000, CHIPID_MODE_NONE},
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[CHIPID_CPU_VOLTAGE_V0] = { 775, 1},
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[CHIPID_CPU_VOLTAGE_V1] = { 800, 3},
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[CHIPID_CPU_VOLTAGE_V2] = { 880, 4},
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[CHIPID_CPU_VOLTAGE_V3] = { 980, 5},
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[CHIPID_CPU_VOLTAGE_V4] = {1125, 7},
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[CHIPID_CPU_VOLTAGE_V5] = {1250, 8},
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[CHIPID_CPU_VOLTAGE_V6] = {1200, 9},
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[CHIPID_CPU_VOLTAGE_V6_UNBINNED] = {1200, CHIPID_MODE_NONE},
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};
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static struct chipid_voltage_config chipid_sram_voltages[] = {
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[CHIPID_CPU_VOLTAGE_BYPASS] = { 950, CHIPID_MODE_NONE},
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[CHIPID_CPU_VOLTAGE_SECUREROM] = { 950, CHIPID_MODE_NONE},
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[CHIPID_CPU_VOLTAGE_V0] = { 950, 1},
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[CHIPID_CPU_VOLTAGE_V1] = { 950, 1},
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[CHIPID_CPU_VOLTAGE_V2] = { 950, 1},
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[CHIPID_CPU_VOLTAGE_V3] = { 950, 1},
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[CHIPID_CPU_VOLTAGE_V4] = {1000, 1},
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[CHIPID_CPU_VOLTAGE_V5] = {1000, 2},
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[CHIPID_CPU_VOLTAGE_V6] = {1000, 2},
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[CHIPID_CPU_VOLTAGE_V6_UNBINNED] = {1000, CHIPID_MODE_NONE},
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};
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// CHIPID_GPU_VOLTAGE_V4 / 600MHz is only used on T7000
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static struct chipid_voltage_config chipid_gpu_voltages[] = {
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[CHIPID_GPU_VOLTAGE_OFF] = { 0, CHIPID_MODE_NONE},
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[CHIPID_GPU_VOLTAGE_V0] = { 900, 1},
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[CHIPID_GPU_VOLTAGE_V0_DIDT] = { 900, 1},
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[CHIPID_GPU_VOLTAGE_V1] = { 950, 2},
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[CHIPID_GPU_VOLTAGE_V1_DIDT] = { 950, 2},
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[CHIPID_GPU_VOLTAGE_V2] = {1050, 3},
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[CHIPID_GPU_VOLTAGE_V2_DIDT] = {1050, 3},
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[CHIPID_GPU_VOLTAGE_V3] = {1050, 4},
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[CHIPID_GPU_VOLTAGE_V3_DIDT] = {1050, 4},
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[CHIPID_GPU_VOLTAGE_V5] = {1100, 5},
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[CHIPID_GPU_VOLTAGE_V5_DIDT] = {1100, 5},
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};
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static struct chipid_voltage_config chipid_gpu_sram_voltages[] = {
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[CHIPID_GPU_VOLTAGE_OFF] = { 950, 1},
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[CHIPID_GPU_VOLTAGE_V0] = { 950, 1},
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[CHIPID_GPU_VOLTAGE_V0_DIDT] = { 950, 1},
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[CHIPID_GPU_VOLTAGE_V1] = { 950, 1},
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[CHIPID_GPU_VOLTAGE_V1_DIDT] = { 950, 1},
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[CHIPID_GPU_VOLTAGE_V2] = {1050, 1},
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[CHIPID_GPU_VOLTAGE_V2_DIDT] = {1050, 1},
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[CHIPID_GPU_VOLTAGE_V3] = {1050, 2},
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[CHIPID_GPU_VOLTAGE_V3_DIDT] = {1050, 2},
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[CHIPID_GPU_VOLTAGE_V5] = {1050, 2},
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[CHIPID_GPU_VOLTAGE_V5_DIDT] = {1050, 2},
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};
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static struct chipid_voltage_config chipid_soc_voltages[] = {
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[CHIPID_VOLTAGE_FIXED] = {950, CHIPID_MODE_NONE},
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};
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#endif
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#endif
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#define CHIP_REVISION_ALL 0xff
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#define CHIP_ID_ALL 0x00
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struct vol_adj_struct {
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uint32_t index;
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uint32_t chipid;
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uint32_t chiprev;
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uint32_t minimum_fuserev;
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struct chipid_vol_adj vol_adj;
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};
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static struct vol_adj_struct vol_adj_cpu[] = {
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// T7000 b0 and T7001 a0
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{CHIPID_CPU_VOLTAGE_V0, 0x7000, CHIP_REVISION_B0, 0, {{ 0, 12500, 25000, 31250}}},
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{CHIPID_CPU_VOLTAGE_V0, 0x7001, CHIP_REVISION_A0, 0, {{ 0, 12500, 25000, 31250}}},
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{CHIPID_CPU_VOLTAGE_V0, 0x7001, CHIP_REVISION_A1, 0, {{ 0, 12500, 25000, 31250}}},
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{CHIPID_CPU_VOLTAGE_V1, 0x7000, CHIP_REVISION_B0, 0, {{ 0, 12500, 25000, 25000}}},
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{CHIPID_CPU_VOLTAGE_V1, 0x7001, CHIP_REVISION_A0, 0, {{ 0, 12500, 25000, 25000}}},
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{CHIPID_CPU_VOLTAGE_V1, 0x7001, CHIP_REVISION_A1, 0, {{ 0, 9380, 25000, 31250}}},
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{CHIPID_CPU_VOLTAGE_V2, 0x7000, CHIP_REVISION_B0, 0, {{ 0, 12500, 25000, 25000}}},
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{CHIPID_CPU_VOLTAGE_V2, 0x7001, CHIP_REVISION_A0, 0, {{ 0, 12500, 25000, 25000}}},
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{CHIPID_CPU_VOLTAGE_V3, 0x7000, CHIP_REVISION_B0, 0, {{ 0, 12500, 25000, 25000}}},
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{CHIPID_CPU_VOLTAGE_V3, 0x7001, CHIP_REVISION_A0, 0, {{ 0, 12500, 25000, 25000}}},
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{CHIPID_CPU_VOLTAGE_V4, 0x7000, CHIP_REVISION_B0, 0, {{ 12500, 12500, 12500, 0}}},
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{CHIPID_CPU_VOLTAGE_V4, 0x7001, CHIP_REVISION_A0, 0, {{ 12500, 12500, 12500, 0}}},
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{CHIPID_CPU_VOLTAGE_V5, 0x7000, CHIP_REVISION_B0, 0, {{ 0, 0, 0, 0}}},
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{CHIPID_CPU_VOLTAGE_V5, 0x7001, CHIP_REVISION_A0, 0, {{ 0, 0, 0, 0}}},
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{CHIPID_CPU_VOLTAGE_V6, 0x7000, CHIP_REVISION_B0, 0, {{ 0, 0, 0, 0}}},
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{CHIPID_CPU_VOLTAGE_V6, 0x7001, CHIP_REVISION_A0, 0, {{ 0, 0, 0, 0}}},
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{CHIPID_CPU_VOLTAGE_V6_UNBINNED, 0x7000, CHIP_REVISION_B0, 0, {{ 0, 0, 0, 0}}},
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{CHIPID_CPU_VOLTAGE_V6_UNBINNED, 0x7001, CHIP_REVISION_A0, 0, {{ 0, 0, 0, 0}}},
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// If not found in previous line, the following will be used, i.e. 7001 a1 and 7000 b1 will use it.
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{CHIPID_CPU_VOLTAGE_V0, CHIP_ID_ALL, CHIP_REVISION_ALL, 0, {{ 0, 15630, 34380, 40630}}},
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{CHIPID_CPU_VOLTAGE_V1, CHIP_ID_ALL, CHIP_REVISION_ALL, 0, {{ 0, 12500, 25000, 31250}}},
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{CHIPID_CPU_VOLTAGE_V2, CHIP_ID_ALL, CHIP_REVISION_ALL, 0, {{ 0, 9380, 18750, 18750}}},
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{CHIPID_CPU_VOLTAGE_V3, CHIP_ID_ALL, CHIP_REVISION_ALL, 0, {{ 0, 6250, 12500, 12500}}},
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{CHIPID_CPU_VOLTAGE_V4, CHIP_ID_ALL, CHIP_REVISION_ALL, 0, {{ 0, 0, 0, 0}}},
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{CHIPID_CPU_VOLTAGE_V5, CHIP_ID_ALL, CHIP_REVISION_ALL, 0, {{ 0, 0, 0, 0}}},
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{CHIPID_CPU_VOLTAGE_V6, CHIP_ID_ALL, CHIP_REVISION_ALL, 0, {{ 0, 0, 0, 0}}},
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{CHIPID_CPU_VOLTAGE_V6_UNBINNED, CHIP_ID_ALL, CHIP_REVISION_ALL, 0, {{ 0, 0, 0, 0}}},
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};
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static struct vol_adj_struct vol_adj_soc[] = {
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{CHIPID_SOC_VOLTAGE_IBOOT_MEM_LOW_PERF, 0x7000, CHIP_REVISION_B0, 0, {{ 0, 0, 0, 0}}},
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{CHIPID_SOC_VOLTAGE_VMIN, 0x7000, CHIP_REVISION_B0, 0, {{ 0, 9400, 18800, 18800}}},
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{CHIPID_SOC_VOLTAGE_VNOM, 0x7000, CHIP_REVISION_B0, 0, {{ 0, 9400, 15600, 9400}}},
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//If not found in previous line, the following will be used, i.e. 7000 b1 will use it.
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{CHIPID_SOC_VOLTAGE_IBOOT_MEM_LOW_PERF, 0x7000, CHIP_REVISION_ALL, 0, {{ 0, 0, 0, 0}}},
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{CHIPID_SOC_VOLTAGE_VMIN, 0x7000, CHIP_REVISION_ALL, 0, {{ 0, 12500, 28130, 28130}}},
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{CHIPID_SOC_VOLTAGE_VNOM, 0x7000, CHIP_REVISION_ALL, 0, {{ 0, 9380, 21880, 21880}}},
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};
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static uint32_t chipid_get_bin_type(void)
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{
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// For Capri FUSE_REV is a combination of CFG_FUSE4[5:0] and bit 287/286 for J82/J99 applications
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// Chip fuse286 fuse287
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// 0x7000 0 0 N56/N61
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// 0X7000 1 0 J42
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// 0X7000 0 1 J96/J97/N102
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// 0X7000 0 0 J81/J82
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// 0x7001 1 0 J98/J99
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return (rCFG_FUSE8 >> 30) & 0x3;
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}
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// Base Voltage = (Base Fuse + 1) * 25
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static uint32_t chipid_get_base_voltage(void)
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{
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uint32_t voltage;
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voltage = (((rCCC_EFUSE_REV >> 24) & 0x1F) + 1) * 25;
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#if SUB_PLATFORM_T7000
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// <rdar://problem/16190886> Fiji B0: Binning information for parts with fuse revision 0x9 Fiji B0:(CoreOs)
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if (chipid_get_fuse_revision() == 0x9)
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voltage -= 25;
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#endif
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return voltage;
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}
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static uint32_t chipid_get_cpu_binfuse_for_mode(uint32_t mode)
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{
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uint32_t binfuse;
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switch (mode) {
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case 9:
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binfuse = (rCCC_EFUSE_DVFM0 >> 0) & 0x7F;
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break;
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case 1:
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binfuse = (rCCC_EFUSE_DVFM0 >> 8) & 0x7F;
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break;
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case 8:
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#if SUB_TARGET_J96 || SUB_TARGET_J97 || SUB_TARGET_N102
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if (chipid_get_bin_type() == 0x0) {
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return 0;
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}
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#endif
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binfuse = (rCCC_EFUSE_DVFM0 >> 16) & 0x7F;
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break;
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case 3:
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binfuse = (rCCC_EFUSE_DVFM0 >> 24) & 0x7F;
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break;
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case 4:
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binfuse = (rCCC_EFUSE_DVFM1 >> 0) & 0x7F;
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break;
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case 5:
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binfuse = (rCCC_EFUSE_DVFM1 >> 8) & 0x7F;
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break;
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case 6:
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binfuse = (rCCC_EFUSE_DVFM1 >> 16) & 0x7F;
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break;
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case 7:
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binfuse = (rCCC_EFUSE_DVFM1 >> 24) & 0x7F;
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break;
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default:
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panic("Unsupported CPU mode %d\n", mode);
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break;
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}
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return binfuse;
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}
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#if SUB_PLATFORM_T7000
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static uint32_t chipid_get_soc_binfuse_for_mode(uint32_t mode)
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{
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uint32_t binfuse;
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switch (mode) {
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case 1:
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binfuse = (rCFG_FUSE7 >> 0) & 0x7F;
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break;
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case 2:
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binfuse = (rCFG_FUSE7 >> 7) & 0x7F;
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break;
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default:
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panic("Unsupported SOC mode %d\n", mode);
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break;
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}
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return binfuse;
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}
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#elif SUB_PLATFORM_T7001
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static uint32_t chipid_get_sram_binfuse_for_mode(uint32_t mode)
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{
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uint32_t binfuse;
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switch (mode) {
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case 1:
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binfuse = (rCFG_FUSE7 >> 0) & 0x7F;
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break;
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case 2:
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binfuse = (rCFG_FUSE7 >> 7) & 0x7F;
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break;
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default:
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panic("Unsupported SRAM mode %d\n", mode);
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break;
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}
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return binfuse;
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}
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#endif
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static uint32_t chipid_get_gpu_binfuse_for_mode(uint32_t mode)
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{
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uint32_t binfuse;
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switch (mode) {
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case 1:
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binfuse = (rCFG_FUSE7 >> 14) & 0x7F;
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break;
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case 2:
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binfuse = (rCFG_FUSE7 >> 21) & 0x7F;
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break;
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#if SUB_PLATFORM_T7000
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case 3: // CFG[265:259]
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binfuse = (rCFG_FUSE8 >> 3) & 0x7F;
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break;
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#elif SUB_PLATFORM_T7001
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case 3: // CFG[258:252]
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binfuse = (rCFG_FUSE7 >> 28) & 0xF;
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binfuse |= (rCFG_FUSE8 << 4) & 0x70;
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break;
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#endif
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case 4: // CFG[272:266]
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binfuse = (rCFG_FUSE8 >> 10) & 0x7F;
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break;
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#if SUB_TARGET_J96 || SUB_TARGET_J97 || SUB_TARGET_N102
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case 5: // CFG[279:273]
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if (chipid_get_bin_type() == 0x0) {
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return 0;
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}
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binfuse = (rCFG_FUSE8 >> (273 - 256)) & 0x7f;
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break;
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#else
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case 5: // CFG[223:217]
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binfuse = (rCFG_FUSE6 >> 25) & 0x7F;
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break;
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#endif
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default:
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panic("Unsupported GPU mode %d\n", mode);
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break;
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}
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return binfuse;
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}
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#if SUB_PLATFORM_T7000
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static uint32_t chipid_get_sram_binfuse_for_mode(uint32_t mode)
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{
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uint32_t binfuse;
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||||
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||||
switch (mode) {
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||||
case 1:
|
||||
binfuse = (rCFG_FUSE7 >> 28) & 0xF;
|
||||
binfuse |= (rCFG_FUSE8 << 4) & 0x70;
|
||||
break;
|
||||
default:
|
||||
panic("Unsupported SRAM mode %d\n", mode);
|
||||
break;
|
||||
}
|
||||
|
||||
return binfuse;
|
||||
}
|
||||
#elif SUB_PLATFORM_T7001
|
||||
static uint32_t chipid_get_soc_binfuse_for_mode(uint32_t mode)
|
||||
{
|
||||
uint32_t binfuse;
|
||||
|
||||
switch (mode) {
|
||||
case 1:
|
||||
binfuse = (rCFG_FUSE8 >> 3) & 0x7F;
|
||||
break;
|
||||
default:
|
||||
panic("Unsupported SOC mode %d\n", mode);
|
||||
break;
|
||||
}
|
||||
|
||||
return binfuse;
|
||||
}
|
||||
#endif
|
||||
|
||||
static uint32_t chipid_get_cpu_bin_voltage(uint32_t volt_index)
|
||||
{
|
||||
uint32_t mode, binfuse;
|
||||
|
||||
mode = chipid_cpu_voltages[volt_index].mode;
|
||||
|
||||
// Return safe voltage if no binned voltage
|
||||
if (mode == CHIPID_MODE_NONE)
|
||||
return chipid_cpu_voltages[volt_index].safe_voltage;
|
||||
|
||||
binfuse = chipid_get_cpu_binfuse_for_mode(mode);
|
||||
if (binfuse == 0)
|
||||
return chipid_cpu_voltages[volt_index].safe_voltage;
|
||||
#if SUB_TARGET_N102
|
||||
if (volt_index == CHIPID_CPU_VOLTAGE_V0) {
|
||||
// <rdar://problem/20056603> N102: Remove CPU P7 (1392 MHz) and lower CPU P1 voltage by 15mV
|
||||
return (chipid_get_base_voltage() + binfuse * 5 - 15);
|
||||
}
|
||||
#endif
|
||||
return (chipid_get_base_voltage() + binfuse * 5);
|
||||
}
|
||||
|
||||
static uint32_t chipid_get_soc_bin_voltage(uint32_t volt_index)
|
||||
{
|
||||
uint32_t mode, binfuse;
|
||||
|
||||
mode = chipid_soc_voltages[volt_index].mode;
|
||||
|
||||
// Return safe voltage if no binned voltage
|
||||
if (mode == CHIPID_MODE_NONE)
|
||||
return chipid_soc_voltages[volt_index].safe_voltage;
|
||||
|
||||
binfuse = chipid_get_soc_binfuse_for_mode(mode);
|
||||
|
||||
return (chipid_get_base_voltage() + binfuse * 5);
|
||||
}
|
||||
|
||||
static uint32_t chipid_get_gpu_bin_voltage(uint32_t volt_index)
|
||||
{
|
||||
uint32_t mode, binfuse;
|
||||
|
||||
mode = chipid_gpu_voltages[volt_index].mode;
|
||||
|
||||
// Return safe voltage if no binned voltage
|
||||
if (mode == CHIPID_MODE_NONE)
|
||||
return chipid_gpu_voltages[volt_index].safe_voltage;
|
||||
|
||||
binfuse = chipid_get_gpu_binfuse_for_mode(mode);
|
||||
if (binfuse == 0)
|
||||
return chipid_gpu_voltages[volt_index].safe_voltage;
|
||||
|
||||
return (chipid_get_base_voltage() + binfuse * 5);
|
||||
}
|
||||
|
||||
static uint32_t chipid_get_sram_bin_voltage(uint32_t volt_index)
|
||||
{
|
||||
uint32_t mode, binfuse;
|
||||
|
||||
mode = chipid_sram_voltages[volt_index].mode;
|
||||
|
||||
// Return safe voltage if no binned voltage
|
||||
if (mode == CHIPID_MODE_NONE)
|
||||
return chipid_sram_voltages[volt_index].safe_voltage;
|
||||
|
||||
binfuse = chipid_get_sram_binfuse_for_mode(mode);
|
||||
|
||||
return (chipid_get_base_voltage() + binfuse * 5);
|
||||
}
|
||||
|
||||
#if SUB_PLATFORM_T7001
|
||||
static uint32_t chipid_get_gpu_sram_bin_voltage(uint32_t volt_index)
|
||||
{
|
||||
uint32_t mode, binfuse;
|
||||
|
||||
mode = chipid_gpu_sram_voltages[volt_index].mode;
|
||||
|
||||
// Return safe voltage if no binned voltage
|
||||
if (mode == CHIPID_MODE_NONE)
|
||||
return chipid_gpu_sram_voltages[volt_index].safe_voltage;
|
||||
|
||||
binfuse = chipid_get_sram_binfuse_for_mode(mode);
|
||||
|
||||
return (chipid_get_base_voltage() + binfuse * 5);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
bool chipid_get_current_production_mode(void)
|
||||
{
|
||||
return ((rCFG_FUSE0 >> 0) & 1) != 0;
|
||||
}
|
||||
|
||||
bool chipid_get_raw_production_mode(void)
|
||||
{
|
||||
return ((rCFG_FUSE0_RAW >> 0) & 1) != 0;
|
||||
}
|
||||
|
||||
void chipid_clear_production_mode(void)
|
||||
{
|
||||
rCFG_FUSE0 &= ~1;
|
||||
}
|
||||
|
||||
bool chipid_get_secure_mode(void)
|
||||
{
|
||||
// demotion only applies to the SEP, so iBoot always reads
|
||||
// the raw value for secure mode (<rdar://problem/15182573>)
|
||||
return ((rCFG_FUSE0_RAW >> 1) & 1) != 0;
|
||||
}
|
||||
|
||||
uint32_t chipid_get_security_domain(void)
|
||||
{
|
||||
return (rCFG_FUSE0 >> 2) & 3;
|
||||
}
|
||||
|
||||
uint32_t chipid_get_board_id(void)
|
||||
{
|
||||
return (rCFG_FUSE0 >> 4) & 7;
|
||||
}
|
||||
|
||||
uint32_t chipid_get_minimum_epoch(void)
|
||||
{
|
||||
return (rCFG_FUSE0 >> 9) & 0x7F;
|
||||
}
|
||||
|
||||
uint32_t chipid_get_pid(void)
|
||||
{
|
||||
return (rCFG_FUSE0 >> 16) & 0x3;
|
||||
}
|
||||
|
||||
uint32_t chipid_get_chip_id(void)
|
||||
{
|
||||
#if SUB_PLATFORM_T7000
|
||||
return 0x7000;
|
||||
#elif SUB_PLATFORM_T7001
|
||||
return 0x7001;
|
||||
#endif
|
||||
}
|
||||
|
||||
uint32_t chipid_get_chip_revision(void)
|
||||
{
|
||||
uint32_t chip_rev = (((rCFG_FUSE4 >> 19) & 0x7) << 4)
|
||||
| (((rCFG_FUSE4 >> 16) & 0x7) << 0);
|
||||
return chip_rev;
|
||||
}
|
||||
|
||||
uint32_t chipid_get_osc_frequency(void)
|
||||
{
|
||||
return OSC_FREQ;
|
||||
}
|
||||
|
||||
uint64_t chipid_get_ecid_id(void)
|
||||
{
|
||||
#if SUPPORT_FPGA
|
||||
return (0x000012345678ABCDULL);
|
||||
#else
|
||||
return ((uint64_t)rECIDHI << 32) | rECIDLO;
|
||||
#endif
|
||||
}
|
||||
|
||||
uint64_t chipid_get_die_id(void)
|
||||
{
|
||||
return ((uint64_t)rECIDHI << 32) | rECIDLO;
|
||||
}
|
||||
|
||||
uint32_t chipid_get_soc_voltage(uint32_t index)
|
||||
{
|
||||
uint32_t soc_voltage;
|
||||
|
||||
#if SUB_PLATFORM_T7001
|
||||
index = CHIPID_VOLTAGE_FIXED;
|
||||
#endif
|
||||
|
||||
if (index >= sizeof(chipid_soc_voltages)/sizeof(chipid_soc_voltages[0]))
|
||||
panic("Invalid SOC voltage index %d\n", index);
|
||||
|
||||
if (chipid_get_fuse_revision() < MINIMUM_FUSE_REVISION)
|
||||
soc_voltage = chipid_soc_voltages[index].safe_voltage;
|
||||
else
|
||||
soc_voltage = chipid_get_soc_bin_voltage(index);
|
||||
|
||||
return soc_voltage;
|
||||
}
|
||||
|
||||
uint32_t chipid_get_cpu_voltage(uint32_t index)
|
||||
{
|
||||
uint32_t cpu_voltage;
|
||||
|
||||
if (index >= sizeof(chipid_cpu_voltages)/sizeof(chipid_cpu_voltages[0]))
|
||||
panic("Invalid CPU voltage index %d\n", index);
|
||||
|
||||
#if SUB_PLATFORM_T7000
|
||||
if (chipid_get_fuse_revision() < MINIMUM_FUSE_REVISION)
|
||||
cpu_voltage = chipid_cpu_voltages[index].safe_voltage;
|
||||
else
|
||||
cpu_voltage = chipid_get_cpu_bin_voltage(index);
|
||||
#elif SUB_PLATFORM_T7001
|
||||
if (chipid_get_fuse_revision() >= MINIMUM_FUSE_REVISION)
|
||||
cpu_voltage = chipid_get_cpu_bin_voltage(index);
|
||||
else
|
||||
cpu_voltage = chipid_cpu_voltages[index].safe_voltage;
|
||||
#endif
|
||||
|
||||
return cpu_voltage;
|
||||
}
|
||||
|
||||
uint32_t chipid_get_ram_voltage(uint32_t index)
|
||||
{
|
||||
uint32_t sram_voltage;
|
||||
|
||||
#if SUB_PLATFORM_T7000
|
||||
index = CHIPID_VOLTAGE_FIXED;
|
||||
#endif
|
||||
|
||||
if (index >= sizeof(chipid_sram_voltages)/sizeof(chipid_sram_voltages[0]))
|
||||
panic("Invalid SRAM voltage index %d\n", index);
|
||||
|
||||
if (chipid_get_fuse_revision() < MINIMUM_FUSE_REVISION)
|
||||
sram_voltage = chipid_sram_voltages[index].safe_voltage;
|
||||
else
|
||||
sram_voltage = chipid_get_sram_bin_voltage(index);
|
||||
|
||||
return sram_voltage;
|
||||
}
|
||||
|
||||
uint32_t chipid_get_gpu_ram_voltage(uint32_t index)
|
||||
{
|
||||
#if SUB_PLATFORM_T7000
|
||||
panic("GPU SRAM voltage not supported\n");
|
||||
#elif SUB_PLATFORM_T7001
|
||||
uint32_t gpu_sram_voltage;
|
||||
|
||||
if (index >= sizeof(chipid_gpu_sram_voltages)/sizeof(chipid_gpu_sram_voltages[0]))
|
||||
panic("Invalid GPU SRAM voltage index %d\n", index);
|
||||
|
||||
if (chipid_get_fuse_revision() < MINIMUM_FUSE_REVISION)
|
||||
gpu_sram_voltage = chipid_gpu_sram_voltages[index].safe_voltage;
|
||||
else
|
||||
gpu_sram_voltage = chipid_get_gpu_sram_bin_voltage(index);
|
||||
|
||||
return gpu_sram_voltage;
|
||||
#endif
|
||||
}
|
||||
|
||||
uint32_t chipid_get_gpu_voltage(uint32_t index)
|
||||
{
|
||||
uint32_t gpu_voltage;
|
||||
|
||||
if (index >= sizeof(chipid_gpu_voltages)/sizeof(chipid_gpu_voltages[0]))
|
||||
panic("Invalid GPU voltage index %d\n", index);
|
||||
|
||||
if (chipid_get_fuse_revision() < MINIMUM_FUSE_REVISION)
|
||||
gpu_voltage = chipid_gpu_voltages[index].safe_voltage;
|
||||
#if SUB_PLATFORM_T7001
|
||||
else if ((index == CHIPID_GPU_VOLTAGE_V4 || index == CHIPID_GPU_VOLTAGE_V4_DIDT) &&
|
||||
chipid_get_fuse_revision() < MINIMUM_BINNED_GPU_P6_REVISION)
|
||||
gpu_voltage = chipid_get_gpu_bin_voltage(index - 1) + P6_VOL_OFFSET_FROM_P4_BINNING;
|
||||
#endif
|
||||
else
|
||||
gpu_voltage = chipid_get_gpu_bin_voltage(index);
|
||||
|
||||
return gpu_voltage;
|
||||
}
|
||||
|
||||
bool chipid_get_fuse_lock(void)
|
||||
{
|
||||
return (rCFG_FUSE1 & (1 << 31)) != 0;
|
||||
}
|
||||
|
||||
void chipid_set_fuse_lock(bool locked)
|
||||
{
|
||||
if (locked) {
|
||||
rCFG_FUSE1 |= (1 << 31);
|
||||
asm("dsb sy");
|
||||
if ((rCFG_FUSE1 & (1 << 31)) == 0) {
|
||||
panic("Failed to lock fuses\n");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
uint32_t chipid_get_soc_temp_sensor_trim(uint32_t sensor_index)
|
||||
{
|
||||
uint32_t trim_value = CFG_FUSE2_THERMAL_SEN(sensor_index);
|
||||
return trim_value;
|
||||
}
|
||||
|
||||
uint32_t chipid_get_fuse_revision(void)
|
||||
{
|
||||
#if SUB_PLATFORM_T7000
|
||||
// For Fiji FUSE_REV is CFG_FUSE4[5:0]
|
||||
#if SUB_TARGET_J96 || SUB_TARGET_J97 || SUB_TARGET_N102
|
||||
if (chipid_get_bin_type() == 0x2) {// J96/J97/N102 binning
|
||||
// Start at MINIMUM_FUSE_REVISION + 1 = 0x10, to avoid 0x9 fuse revision which has a specific workaround.
|
||||
return MINIMUM_FUSE_REVISION + 1 + ((rCFG_FUSE4 >> 0) & 0x3f);
|
||||
}
|
||||
#endif
|
||||
return (rCFG_FUSE4 >> 0) & 0x3f;
|
||||
#elif SUB_PLATFORM_T7001
|
||||
// For Capri FUSE_REV is a combination of CFG_FUSE4[5:0] and bit 287 for J82/J99 applications
|
||||
return (((rCFG_FUSE4 >> 0) & 0x3f) | ((rCFG_FUSE8 >> 31) & 0x1) << 6);
|
||||
#endif
|
||||
}
|
||||
|
||||
uint32_t chipid_get_total_rails_leakage()
|
||||
{
|
||||
// FIXME
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if SUPPORT_FPGA
|
||||
uint32_t chipid_get_fpga_block_instantiation(void)
|
||||
{
|
||||
// Hardware blocks instantiated.
|
||||
uint32_t blocks = (rECID_FUSE7 >> 16) & 0xF;
|
||||
uint32_t mask = FPGA_HAS_ALWAYS;
|
||||
|
||||
#if SUB_PLATFORM_T7000
|
||||
switch (blocks) {
|
||||
case 0x1: // INT2
|
||||
case 0x2: // old "Fiji" endcoding in pre 06_xx_yy_zz bitstream releases
|
||||
break;
|
||||
case 0x3: // INT2 + pcie
|
||||
mask |= FPGA_HAS_PCIE;
|
||||
break;
|
||||
case 0x8: // INT2 + VXD + AVE + JPEG + MEDIA
|
||||
mask |= FPGA_HAS_VXD | FPGA_HAS_AVE | FPGA_HAS_JPEG | FPGA_HAS_MEDIA;
|
||||
break;
|
||||
case 0x9: // INT2 + DISP0 + DISP1 + MSR + JPEG + MEDIA
|
||||
mask |= FPGA_HAS_DISP0 | FPGA_HAS_DISP1 | FPGA_HAS_MSR | FPGA_HAS_JPEG | FPGA_HAS_MEDIA;
|
||||
break;
|
||||
case 0xA: // INT2 + GFX
|
||||
mask |= FPGA_HAS_GFX;
|
||||
break;
|
||||
default:
|
||||
panic("Unknown hardware block instantiation: 0x%x", blocks);
|
||||
}
|
||||
#elif SUB_PLATFORM_T7001 // No AVE on Capri FPGA
|
||||
switch (blocks) {
|
||||
case 0x1: // INT2
|
||||
break;
|
||||
case 0x8: // INT3 = INT2 + VXD + DISP0 + DISP1 + MEDIA + MSR + JPEG + PCIE
|
||||
mask |= FPGA_HAS_VXD | FPGA_HAS_DISP0 | FPGA_HAS_DISP1 | FPGA_HAS_MEDIA | FPGA_HAS_MSR | FPGA_HAS_JPEG; // <rdar://problem/15014312> enable PCIE later
|
||||
break;
|
||||
case 0xA: // INT3 + GFX
|
||||
mask |= FPGA_HAS_VXD | FPGA_HAS_DISP0 | FPGA_HAS_DISP1 | FPGA_HAS_MEDIA | FPGA_HAS_MSR | FPGA_HAS_JPEG | FPGA_HAS_GFX; // <rdar://problem/15014312> enable PCIE later
|
||||
break;
|
||||
default:
|
||||
panic("Unknown hardware block instantiation: 0x%x", blocks);
|
||||
}
|
||||
#endif
|
||||
|
||||
return mask;
|
||||
}
|
||||
#endif
|
||||
|
||||
void chipid_get_vol_adj(enum chipid_vol_adj_type vol_adj_type, uint32_t index, struct chipid_vol_adj * vol_adj)
|
||||
{
|
||||
uint32_t i;
|
||||
uint32_t chipid = chipid_get_chip_id();
|
||||
uint32_t chiprev = chipid_get_chip_revision();
|
||||
uint32_t fuserev = chipid_get_fuse_revision();
|
||||
switch (vol_adj_type) {
|
||||
case CHIPID_VOL_ADJ_CPU:
|
||||
for (i= 0; i < sizeof(vol_adj_cpu)/sizeof(vol_adj_cpu[0]); i++) {
|
||||
if (vol_adj_cpu[i].index != index)
|
||||
continue;
|
||||
if ((vol_adj_cpu[i].chipid != CHIP_ID_ALL) && (vol_adj_cpu[i].chipid != chipid))
|
||||
continue;
|
||||
if ((vol_adj_cpu[i].chiprev != CHIP_REVISION_ALL) && (vol_adj_cpu[i].chiprev != chiprev))
|
||||
continue;
|
||||
if ((vol_adj_cpu[i]).minimum_fuserev > fuserev)
|
||||
continue;
|
||||
*vol_adj = vol_adj_cpu[i].vol_adj;
|
||||
return;
|
||||
}
|
||||
panic("%s haven't found CPU index %d for chip %x rev 0x%x\n", __func__, index, chipid, chiprev);
|
||||
break;
|
||||
case CHIPID_VOL_ADJ_SOC:
|
||||
for (i= 0; i < sizeof(vol_adj_soc)/sizeof(vol_adj_soc[0]); i++) {
|
||||
if (vol_adj_soc[i].index != index)
|
||||
continue;
|
||||
if ((vol_adj_soc[i].chipid != CHIP_ID_ALL) && (vol_adj_soc[i].chipid != chipid))
|
||||
continue;
|
||||
if ((vol_adj_soc[i].chiprev != CHIP_REVISION_ALL) && (vol_adj_soc[i].chiprev != chiprev))
|
||||
continue;
|
||||
if ((vol_adj_soc[i]).minimum_fuserev > fuserev)
|
||||
continue;
|
||||
*vol_adj = vol_adj_soc[i].vol_adj;
|
||||
return;
|
||||
}
|
||||
panic("%s haven't found SOC Index %d for chip %x rev 0x%x\n", __func__, index, chipid, chiprev);
|
||||
break;
|
||||
default:
|
||||
panic("%s haven't found %d\n", __func__, index);
|
||||
break;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,15 @@
|
||||
# Copyright (C) 2012 Apple Inc. All rights reserved.
|
||||
#
|
||||
# This document is the property of Apple Inc.
|
||||
# It is considered confidential and proprietary.
|
||||
#
|
||||
# This document may not be reproduced or transmitted in any form,
|
||||
# in whole or in part, without the express written permission of
|
||||
# Apple Inc.
|
||||
#
|
||||
LOCAL_DIR := $(GET_LOCAL_DIR)
|
||||
|
||||
OPTIONS += \
|
||||
WITH_HW_PLATFORM_CHIPID=1
|
||||
|
||||
ALL_OBJS += $(LOCAL_DIR)/chipid.o
|
||||
Reference in new issue
Block a user