mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 17:08:10 +00:00
3d87b02281
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>
163 lines
4 KiB
C
163 lines
4 KiB
C
/*
|
|
* exynos_ppmu.h - EXYNOS PPMU header file
|
|
*
|
|
* Copyright (c) 2015 Samsung Electronics Co., Ltd.
|
|
* Author : Chanwoo Choi <cw00.choi@samsung.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#ifndef __EXYNOS_PPMU_H__
|
|
#define __EXYNOS_PPMU_H__
|
|
|
|
enum ppmu_state {
|
|
PPMU_DISABLE = 0,
|
|
PPMU_ENABLE,
|
|
};
|
|
|
|
enum ppmu_counter {
|
|
PPMU_PMNCNT0 = 0,
|
|
PPMU_PMNCNT1,
|
|
PPMU_PMNCNT2,
|
|
PPMU_PMNCNT3,
|
|
|
|
PPMU_PMNCNT_MAX,
|
|
};
|
|
|
|
/***
|
|
* PPMUv1.1 Definitions
|
|
*/
|
|
enum ppmu_event_type {
|
|
PPMU_RO_BUSY_CYCLE_CNT = 0x0,
|
|
PPMU_WO_BUSY_CYCLE_CNT = 0x1,
|
|
PPMU_RW_BUSY_CYCLE_CNT = 0x2,
|
|
PPMU_RO_REQUEST_CNT = 0x3,
|
|
PPMU_WO_REQUEST_CNT = 0x4,
|
|
PPMU_RO_DATA_CNT = 0x5,
|
|
PPMU_WO_DATA_CNT = 0x6,
|
|
PPMU_RO_LATENCY = 0x12,
|
|
PPMU_WO_LATENCY = 0x16,
|
|
};
|
|
|
|
enum ppmu_reg {
|
|
/* PPC control register */
|
|
PPMU_PMNC = 0x00,
|
|
PPMU_CNTENS = 0x10,
|
|
PPMU_CNTENC = 0x20,
|
|
PPMU_INTENS = 0x30,
|
|
PPMU_INTENC = 0x40,
|
|
PPMU_FLAG = 0x50,
|
|
|
|
/* Cycle Counter and Performance Event Counter Register */
|
|
PPMU_CCNT = 0x100,
|
|
PPMU_PMCNT0 = 0x110,
|
|
PPMU_PMCNT1 = 0x120,
|
|
PPMU_PMCNT2 = 0x130,
|
|
PPMU_PMCNT3_HIGH = 0x140,
|
|
PPMU_PMCNT3_LOW = 0x150,
|
|
|
|
/* Bus Event Generator */
|
|
PPMU_BEVT0SEL = 0x1000,
|
|
PPMU_BEVT1SEL = 0x1100,
|
|
PPMU_BEVT2SEL = 0x1200,
|
|
PPMU_BEVT3SEL = 0x1300,
|
|
PPMU_COUNTER_RESET = 0x1810,
|
|
PPMU_READ_OVERFLOW_CNT = 0x1810,
|
|
PPMU_READ_UNDERFLOW_CNT = 0x1814,
|
|
PPMU_WRITE_OVERFLOW_CNT = 0x1850,
|
|
PPMU_WRITE_UNDERFLOW_CNT = 0x1854,
|
|
PPMU_READ_PENDING_CNT = 0x1880,
|
|
PPMU_WRITE_PENDING_CNT = 0x1884
|
|
};
|
|
|
|
/* PMNC register */
|
|
#define PPMU_PMNC_CC_RESET_SHIFT 2
|
|
#define PPMU_PMNC_COUNTER_RESET_SHIFT 1
|
|
#define PPMU_PMNC_ENABLE_SHIFT 0
|
|
#define PPMU_PMNC_START_MODE_MASK BIT(16)
|
|
#define PPMU_PMNC_CC_DIVIDER_MASK BIT(3)
|
|
#define PPMU_PMNC_CC_RESET_MASK BIT(2)
|
|
#define PPMU_PMNC_COUNTER_RESET_MASK BIT(1)
|
|
#define PPMU_PMNC_ENABLE_MASK BIT(0)
|
|
|
|
/* CNTENS/CNTENC/INTENS/INTENC/FLAG register */
|
|
#define PPMU_CCNT_MASK BIT(31)
|
|
#define PPMU_PMCNT3_MASK BIT(3)
|
|
#define PPMU_PMCNT2_MASK BIT(2)
|
|
#define PPMU_PMCNT1_MASK BIT(1)
|
|
#define PPMU_PMCNT0_MASK BIT(0)
|
|
|
|
/* PPMU_PMNCTx/PPMU_BETxSEL registers */
|
|
#define PPMU_PMNCT(x) (PPMU_PMCNT0 + (0x10 * x))
|
|
#define PPMU_BEVTxSEL(x) (PPMU_BEVT0SEL + (0x100 * x))
|
|
|
|
/***
|
|
* PPMU_V2.0 definitions
|
|
*/
|
|
enum ppmu_v2_mode {
|
|
PPMU_V2_MODE_MANUAL = 0,
|
|
PPMU_V2_MODE_AUTO = 1,
|
|
PPMU_V2_MODE_CIG = 2, /* CIG (Conditional Interrupt Generation) */
|
|
};
|
|
|
|
enum ppmu_v2_event_type {
|
|
PPMU_V2_RO_DATA_CNT = 0x4,
|
|
PPMU_V2_WO_DATA_CNT = 0x5,
|
|
|
|
PPMU_V2_EVT3_RW_DATA_CNT = 0x22, /* Only for Event3 */
|
|
};
|
|
|
|
enum ppmu_V2_reg {
|
|
/* PPC control register */
|
|
PPMU_V2_PMNC = 0x04,
|
|
PPMU_V2_CNTENS = 0x08,
|
|
PPMU_V2_CNTENC = 0x0c,
|
|
PPMU_V2_INTENS = 0x10,
|
|
PPMU_V2_INTENC = 0x14,
|
|
PPMU_V2_FLAG = 0x18,
|
|
|
|
/* Cycle Counter and Performance Event Counter Register */
|
|
PPMU_V2_CCNT = 0x48,
|
|
PPMU_V2_PMCNT0 = 0x34,
|
|
PPMU_V2_PMCNT1 = 0x38,
|
|
PPMU_V2_PMCNT2 = 0x3c,
|
|
PPMU_V2_PMCNT3_LOW = 0x40,
|
|
PPMU_V2_PMCNT3_HIGH = 0x44,
|
|
|
|
/* Bus Event Generator */
|
|
PPMU_V2_CIG_CFG0 = 0x1c,
|
|
PPMU_V2_CIG_CFG1 = 0x20,
|
|
PPMU_V2_CIG_CFG2 = 0x24,
|
|
PPMU_V2_CIG_RESULT = 0x28,
|
|
PPMU_V2_CNT_RESET = 0x2c,
|
|
PPMU_V2_CNT_AUTO = 0x30,
|
|
PPMU_V2_CH_EV0_TYPE = 0x200,
|
|
PPMU_V2_CH_EV1_TYPE = 0x204,
|
|
PPMU_V2_CH_EV2_TYPE = 0x208,
|
|
PPMU_V2_CH_EV3_TYPE = 0x20c,
|
|
PPMU_V2_SM_ID_V = 0x220,
|
|
PPMU_V2_SM_ID_A = 0x224,
|
|
PPMU_V2_SM_OTHERS_V = 0x228,
|
|
PPMU_V2_SM_OTHERS_A = 0x22c,
|
|
PPMU_V2_INTERRUPT_RESET = 0x260,
|
|
};
|
|
|
|
/* PMNC register */
|
|
#define PPMU_V2_PMNC_START_MODE_SHIFT 20
|
|
#define PPMU_V2_PMNC_START_MODE_MASK (0x3 << PPMU_V2_PMNC_START_MODE_SHIFT)
|
|
|
|
#define PPMU_PMNC_CC_RESET_SHIFT 2
|
|
#define PPMU_PMNC_COUNTER_RESET_SHIFT 1
|
|
#define PPMU_PMNC_ENABLE_SHIFT 0
|
|
#define PPMU_PMNC_START_MODE_MASK BIT(16)
|
|
#define PPMU_PMNC_CC_DIVIDER_MASK BIT(3)
|
|
#define PPMU_PMNC_CC_RESET_MASK BIT(2)
|
|
#define PPMU_PMNC_COUNTER_RESET_MASK BIT(1)
|
|
#define PPMU_PMNC_ENABLE_MASK BIT(0)
|
|
|
|
#define PPMU_V2_PMNCT(x) (PPMU_V2_PMCNT0 + (0x4 * x))
|
|
#define PPMU_V2_CH_EVx_TYPE(x) (PPMU_V2_CH_EV0_TYPE + (0x4 * x))
|
|
|
|
#endif /* __EXYNOS_PPMU_H__ */
|