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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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77fe46a301
This patch adds the support for PPMU (Platform Performance Monitoring Unit) version 2.0 for Exynos5433 SoC. Exynos5433 SoC must need PPMUv2 which is quite different from PPMUv1.1. The exynos-ppmu.c driver supports both PPMUv1.1 and PPMUv2. Cc: MyungJoo Ham <myungjoo.ham@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
164 lines
4.0 KiB
C
164 lines
4.0 KiB
C
/*
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* exynos_ppmu.h - EXYNOS PPMU header file
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*
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* Copyright (c) 2015 Samsung Electronics Co., Ltd.
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* Author : Chanwoo Choi <cw00.choi@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __EXYNOS_PPMU_H__
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#define __EXYNOS_PPMU_H__
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enum ppmu_state {
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PPMU_DISABLE = 0,
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PPMU_ENABLE,
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};
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enum ppmu_counter {
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PPMU_PMNCNT0 = 0,
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PPMU_PMNCNT1,
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PPMU_PMNCNT2,
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PPMU_PMNCNT3,
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PPMU_PMNCNT_MAX,
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};
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/***
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* PPMUv1.1 Definitions
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*/
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enum ppmu_event_type {
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PPMU_RO_BUSY_CYCLE_CNT = 0x0,
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PPMU_WO_BUSY_CYCLE_CNT = 0x1,
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PPMU_RW_BUSY_CYCLE_CNT = 0x2,
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PPMU_RO_REQUEST_CNT = 0x3,
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PPMU_WO_REQUEST_CNT = 0x4,
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PPMU_RO_DATA_CNT = 0x5,
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PPMU_WO_DATA_CNT = 0x6,
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PPMU_RO_LATENCY = 0x12,
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PPMU_WO_LATENCY = 0x16,
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};
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enum ppmu_reg {
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/* PPC control register */
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PPMU_PMNC = 0x00,
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PPMU_CNTENS = 0x10,
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PPMU_CNTENC = 0x20,
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PPMU_INTENS = 0x30,
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PPMU_INTENC = 0x40,
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PPMU_FLAG = 0x50,
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/* Cycle Counter and Performance Event Counter Register */
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PPMU_CCNT = 0x100,
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PPMU_PMCNT0 = 0x110,
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PPMU_PMCNT1 = 0x120,
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PPMU_PMCNT2 = 0x130,
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PPMU_PMCNT3_HIGH = 0x140,
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PPMU_PMCNT3_LOW = 0x150,
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/* Bus Event Generator */
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PPMU_BEVT0SEL = 0x1000,
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PPMU_BEVT1SEL = 0x1100,
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PPMU_BEVT2SEL = 0x1200,
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PPMU_BEVT3SEL = 0x1300,
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PPMU_COUNTER_RESET = 0x1810,
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PPMU_READ_OVERFLOW_CNT = 0x1810,
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PPMU_READ_UNDERFLOW_CNT = 0x1814,
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PPMU_WRITE_OVERFLOW_CNT = 0x1850,
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PPMU_WRITE_UNDERFLOW_CNT = 0x1854,
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PPMU_READ_PENDING_CNT = 0x1880,
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PPMU_WRITE_PENDING_CNT = 0x1884
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};
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/* PMNC register */
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#define PPMU_PMNC_CC_RESET_SHIFT 2
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#define PPMU_PMNC_COUNTER_RESET_SHIFT 1
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#define PPMU_PMNC_ENABLE_SHIFT 0
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#define PPMU_PMNC_START_MODE_MASK BIT(16)
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#define PPMU_PMNC_CC_DIVIDER_MASK BIT(3)
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#define PPMU_PMNC_CC_RESET_MASK BIT(2)
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#define PPMU_PMNC_COUNTER_RESET_MASK BIT(1)
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#define PPMU_PMNC_ENABLE_MASK BIT(0)
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/* CNTENS/CNTENC/INTENS/INTENC/FLAG register */
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#define PPMU_CCNT_MASK BIT(31)
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#define PPMU_PMCNT3_MASK BIT(3)
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#define PPMU_PMCNT2_MASK BIT(2)
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#define PPMU_PMCNT1_MASK BIT(1)
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#define PPMU_PMCNT0_MASK BIT(0)
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/* PPMU_PMNCTx/PPMU_BETxSEL registers */
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#define PPMU_PMNCT(x) (PPMU_PMCNT0 + (0x10 * x))
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#define PPMU_BEVTxSEL(x) (PPMU_BEVT0SEL + (0x100 * x))
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/***
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* PPMU_V2.0 definitions
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*/
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enum ppmu_v2_mode {
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PPMU_V2_MODE_MANUAL = 0,
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PPMU_V2_MODE_AUTO = 1,
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PPMU_V2_MODE_CIG = 2, /* CIG (Conditional Interrupt Generation) */
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};
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enum ppmu_v2_event_type {
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PPMU_V2_RO_DATA_CNT = 0x4,
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PPMU_V2_WO_DATA_CNT = 0x5,
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PPMU_V2_EVT3_RW_DATA_CNT = 0x22, /* Only for Event3 */
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};
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enum ppmu_V2_reg {
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/* PPC control register */
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PPMU_V2_PMNC = 0x04,
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PPMU_V2_CNTENS = 0x08,
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PPMU_V2_CNTENC = 0x0c,
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PPMU_V2_INTENS = 0x10,
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PPMU_V2_INTENC = 0x14,
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PPMU_V2_FLAG = 0x18,
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/* Cycle Counter and Performance Event Counter Register */
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PPMU_V2_CCNT = 0x48,
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PPMU_V2_PMCNT0 = 0x34,
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PPMU_V2_PMCNT1 = 0x38,
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PPMU_V2_PMCNT2 = 0x3c,
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PPMU_V2_PMCNT3_LOW = 0x40,
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PPMU_V2_PMCNT3_HIGH = 0x44,
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/* Bus Event Generator */
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PPMU_V2_CIG_CFG0 = 0x1c,
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PPMU_V2_CIG_CFG1 = 0x20,
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PPMU_V2_CIG_CFG2 = 0x24,
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PPMU_V2_CIG_RESULT = 0x28,
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PPMU_V2_CNT_RESET = 0x2c,
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PPMU_V2_CNT_AUTO = 0x30,
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PPMU_V2_CH_EV0_TYPE = 0x200,
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PPMU_V2_CH_EV1_TYPE = 0x204,
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PPMU_V2_CH_EV2_TYPE = 0x208,
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PPMU_V2_CH_EV3_TYPE = 0x20c,
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PPMU_V2_SM_ID_V = 0x220,
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PPMU_V2_SM_ID_A = 0x224,
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PPMU_V2_SM_OTHERS_V = 0x228,
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PPMU_V2_SM_OTHERS_A = 0x22c,
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PPMU_V2_INTERRUPT_RESET = 0x260,
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};
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/* PMNC register */
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#define PPMU_V2_PMNC_START_MODE_SHIFT 20
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#define PPMU_V2_PMNC_START_MODE_MASK (0x3 << PPMU_V2_PMNC_START_MODE_SHIFT)
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#define PPMU_PMNC_CC_RESET_SHIFT 2
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#define PPMU_PMNC_COUNTER_RESET_SHIFT 1
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#define PPMU_PMNC_ENABLE_SHIFT 0
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#define PPMU_PMNC_START_MODE_MASK BIT(16)
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#define PPMU_PMNC_CC_DIVIDER_MASK BIT(3)
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#define PPMU_PMNC_CC_RESET_MASK BIT(2)
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#define PPMU_PMNC_COUNTER_RESET_MASK BIT(1)
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#define PPMU_PMNC_ENABLE_MASK BIT(0)
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#define PPMU_V2_PMNCT(x) (PPMU_V2_PMCNT0 + (0x4 * x))
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#define PPMU_V2_CH_EVx_TYPE(x) (PPMU_V2_CH_EV0_TYPE + (0x4 * x))
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#endif /* __EXYNOS_PPMU_H__ */
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