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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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0179a91387
This patch adds NoC (Network on Chip) Probe driver which provides the primitive values to get the performance data. The packets that the Network on Chip (NoC) probes detects are transported over the network infrastructure. Exynos542x bus has multiple NoC probes to provide bandwidth information about behavior of the SoC that you can use while analyzing system performance. Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Tested-by: Markus Reichl <m.reichl@fivetechno.de> Tested-by: Anand Moon <linux.amoon@gmail.com> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
79 lines
2.8 KiB
C
79 lines
2.8 KiB
C
/*
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* exynos-nocp.h - EXYNOS NoC (Network on Chip) Probe header file
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*
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* Copyright (c) 2016 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_NOCP_H__
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#define __EXYNOS_NOCP_H__
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enum nocp_reg {
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NOCP_ID_REVISION_ID = 0x04,
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NOCP_MAIN_CTL = 0x08,
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NOCP_CFG_CTL = 0x0C,
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NOCP_STAT_PERIOD = 0x24,
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NOCP_STAT_GO = 0x28,
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NOCP_STAT_ALARM_MIN = 0x2C,
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NOCP_STAT_ALARM_MAX = 0x30,
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NOCP_STAT_ALARM_STATUS = 0x34,
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NOCP_STAT_ALARM_CLR = 0x38,
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NOCP_COUNTERS_0_SRC = 0x138,
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NOCP_COUNTERS_0_ALARM_MODE = 0x13C,
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NOCP_COUNTERS_0_VAL = 0x140,
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NOCP_COUNTERS_1_SRC = 0x14C,
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NOCP_COUNTERS_1_ALARM_MODE = 0x150,
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NOCP_COUNTERS_1_VAL = 0x154,
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NOCP_COUNTERS_2_SRC = 0x160,
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NOCP_COUNTERS_2_ALARM_MODE = 0x164,
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NOCP_COUNTERS_2_VAL = 0x168,
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NOCP_COUNTERS_3_SRC = 0x174,
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NOCP_COUNTERS_3_ALARM_MODE = 0x178,
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NOCP_COUNTERS_3_VAL = 0x17C,
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};
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/* NOCP_MAIN_CTL register */
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#define NOCP_MAIN_CTL_ERREN_MASK BIT(0)
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#define NOCP_MAIN_CTL_TRACEEN_MASK BIT(1)
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#define NOCP_MAIN_CTL_PAYLOADEN_MASK BIT(2)
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#define NOCP_MAIN_CTL_STATEN_MASK BIT(3)
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#define NOCP_MAIN_CTL_ALARMEN_MASK BIT(4)
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#define NOCP_MAIN_CTL_STATCONDDUMP_MASK BIT(5)
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#define NOCP_MAIN_CTL_INTRUSIVEMODE_MASK BIT(6)
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/* NOCP_CFG_CTL register */
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#define NOCP_CFG_CTL_GLOBALEN_MASK BIT(0)
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#define NOCP_CFG_CTL_ACTIVE_MASK BIT(1)
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/* NOCP_COUNTERS_x_SRC register */
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#define NOCP_CNT_SRC_INTEVENT_SHIFT 0
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#define NOCP_CNT_SRC_INTEVENT_MASK (0x1F << NOCP_CNT_SRC_INTEVENT_SHIFT)
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#define NOCP_CNT_SRC_INTEVENT_OFF_MASK (0x0 << NOCP_CNT_SRC_INTEVENT_SHIFT)
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#define NOCP_CNT_SRC_INTEVENT_CYCLE_MASK (0x1 << NOCP_CNT_SRC_INTEVENT_SHIFT)
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#define NOCP_CNT_SRC_INTEVENT_IDLE_MASK (0x2 << NOCP_CNT_SRC_INTEVENT_SHIFT)
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#define NOCP_CNT_SRC_INTEVENT_XFER_MASK (0x3 << NOCP_CNT_SRC_INTEVENT_SHIFT)
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#define NOCP_CNT_SRC_INTEVENT_BUSY_MASK (0x4 << NOCP_CNT_SRC_INTEVENT_SHIFT)
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#define NOCP_CNT_SRC_INTEVENT_WAIT_MASK (0x5 << NOCP_CNT_SRC_INTEVENT_SHIFT)
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#define NOCP_CNT_SRC_INTEVENT_PKT_MASK (0x6 << NOCP_CNT_SRC_INTEVENT_SHIFT)
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#define NOCP_CNT_SRC_INTEVENT_BYTE_MASK (0x8 << NOCP_CNT_SRC_INTEVENT_SHIFT)
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#define NOCP_CNT_SRC_INTEVENT_CHAIN_MASK (0x10 << NOCP_CNT_SRC_INTEVENT_SHIFT)
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/* NOCP_COUNTERS_x_ALARM_MODE register */
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#define NOCP_CNT_ALARM_MODE_SHIFT 0
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#define NOCP_CNT_ALARM_MODE_MASK (0x3 << NOCP_CNT_ALARM_MODE_SHIFT)
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#define NOCP_CNT_ALARM_MODE_OFF_MASK (0x0 << NOCP_CNT_ALARM_MODE_SHIFT)
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#define NOCP_CNT_ALARM_MODE_MIN_MASK (0x1 << NOCP_CNT_ALARM_MODE_SHIFT)
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#define NOCP_CNT_ALARM_MODE_MAX_MASK (0x2 << NOCP_CNT_ALARM_MODE_SHIFT)
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#define NOCP_CNT_ALARM_MODE_MIN_MAX_MASK (0x3 << NOCP_CNT_ALARM_MODE_SHIFT)
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#endif /* __EXYNOS_NOCP_H__ */
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