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bdk: add activity monitor driver
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CTCaer
parent
c1441a64c7
commit
3dd12321f8
5 changed files with 255 additions and 2 deletions
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@ -40,6 +40,7 @@
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#include <rtc/max77620-rtc.h>
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#include <sec/se.h>
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#include <sec/tsec.h>
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#include <soc/actmon.h>
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#include <soc/bpmp.h>
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#include <soc/ccplex.h>
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#include <soc/clock.h>
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173
bdk/soc/actmon.c
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173
bdk/soc/actmon.c
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@ -0,0 +1,173 @@
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/*
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* Activity Monitor driver for Tegra X1
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*
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* Copyright (c) 2021 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "actmon.h"
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#include "clock.h"
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#include "t210.h"
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/* Global registers */
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#define ACTMON_GLB_STATUS 0x0
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#define ACTMON_MCCPU_MON_ACT BIT(8)
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#define ACTMON_MCALL_MON_ACT BIT(9)
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#define ACTMON_CPU_FREQ_MON_ACT BIT(10)
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#define ACTMON_APB_MON_ACT BIT(12)
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#define ACTMON_AHB_MON_ACT BIT(13)
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#define ACTMON_BPMP_MON_ACT BIT(14)
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#define ACTMON_CPU_MON_ACT BIT(15)
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#define ACTMON_MCCPU_INTR BIT(25)
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#define ACTMON_MCALL_INTR BIT(26)
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#define ACTMON_CPU_FREQ_INTR BIT(27)
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#define ACTMON_APB_INTR BIT(28)
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#define ACTMON_AHB_INTR BIT(29)
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#define ACTMON_BPMP_INTR BIT(30)
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#define ACTMON_CPU_INTR BIT(31)
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#define ACTMON_GLB_PERIOD_CTRL 0x4
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#define ACTMON_GLB_PERIOD_USEC BIT(8)
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#define ACTMON_GLB_PERIOD_SAMPLE(n) (((n) - 1) & 0xFF)
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/* Device Registers */
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#define ACTMON_DEV_BASE ACTMON_BASE + 0x80
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#define ACTMON_DEV_SIZE 0x40
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/* CTRL */
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#define ACTMON_DEV_CTRL_K_VAL(k) (((k) & 7) << 10)
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#define ACTMON_DEV_CTRL_ENB_PERIODIC BIT(18)
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#define ACTMON_DEV_CTRL_AT_END_EN BIT(19)
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#define ACTMON_DEV_CTRL_AVG_BELOW_WMARK_EN BIT(20)
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#define ACTMON_DEV_CTRL_AVG_ABOVE_WMARK_EN BIT(21)
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#define ACTMON_DEV_CTRL_WHEN_OVERFLOW_EN BIT(22)
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#define ACTMON_DEV_CTRL_CONSECUTIVE_BELOW_WMARK_NUM(n) (((n) & 7) << 23)
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#define ACTMON_DEV_CTRL_CONSECUTIVE_ABOVE_WMARK_NUM(n) (((n) & 7) << 26)
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#define ACTMON_DEV_CTRL_CONSECUTIVE_BELOW_WMARK_EN BIT(29)
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#define ACTMON_DEV_CTRL_CONSECUTIVE_ABOVE_WMARK_EN BIT(30)
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#define ACTMON_DEV_CTRL_ENB BIT(31)
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/* INTR_STATUS */
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#define ACTMON_DEV_ISTS_AVG_ABOVE_WMARK BIT(24)
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#define ACTMON_DEV_ISTS_AVG_BELOW_WMARK BIT(25)
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#define ACTMON_DEV_ISTS_WHEN_OVERFLOW BIT(26)
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#define ACTMON_DEV_ISTS_AT_END BIT(29)
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#define ACTMON_DEV_ISTS_CONSECUTIVE_LOWER BIT(30)
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#define ACTMON_DEV_ISTS_CONSECUTIVE_UPPER BIT(31)
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/* Histogram Registers */
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#define ACTMON_HISTOGRAM_CONFIG 0x300
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#define ACTMON_HIST_CFG_ACTIVE BIT(0)
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#define ACTMON_HIST_CFG_LINEAR_MODE BIT(1)
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#define ACTMON_HIST_CFG_NO_UNDERFLOW_BUCKET BIT(2)
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#define ACTMON_HIST_CFG_STALL_ON_SINGLE_SATURATE BIT(3)
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#define ACTMON_HIST_CFG_SHIFT(s) (((s) & 0x1F) << 4)
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#define ACTMON_HIST_CFG_SOURCE(s) (((s) & 0xF) << 12)
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#define ACTMON_HISTOGRAM_CTRL 0x304
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#define ACTMON_HIST_CTRL_CLEAR_ALL BIT(0)
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#define ACTMON_HISTOGRAM_DATA_BASE 0x380
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#define ACTMON_HISTOGRAM_DATA_NUM 32
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#define ACTMON_FREQ 19200000
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typedef struct _actmon_dev_reg_t
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{
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vu32 ctrl;
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vu32 upper_wnark;
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vu32 lower_wmark;
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vu32 init_avg;
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vu32 avg_upper_wmark;
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vu32 avg_lower_wmark;
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vu32 count_weight;
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vu32 count;
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vu32 avg_count;
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vu32 intr_status;
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vu32 ctrl2;
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vu32 unk[5];
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} actmon_dev_reg_t;
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u32 sample_period = 0;
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void actmon_hist_enable(actmon_hist_src_t src)
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{
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ACTMON(ACTMON_HISTOGRAM_CONFIG) = ACTMON_HIST_CFG_SOURCE(src) | ACTMON_HIST_CFG_ACTIVE;
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ACTMON(ACTMON_HISTOGRAM_CTRL) = ACTMON_HIST_CTRL_CLEAR_ALL;
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}
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void actmon_hist_disable()
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{
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ACTMON(ACTMON_HISTOGRAM_CONFIG) = 0;
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}
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void actmon_hist_get(u32 *histogram)
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{
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if (histogram)
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{
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for (u32 i = 0; i < ACTMON_HISTOGRAM_DATA_NUM; i++)
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histogram[i] = ACTMON(ACTMON_HISTOGRAM_DATA_BASE + i * sizeof(u32));
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}
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}
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void actmon_dev_enable(actmon_dev_t dev)
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{
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actmon_dev_reg_t *regs = (actmon_dev_reg_t *)(ACTMON_DEV_BASE + (dev * ACTMON_DEV_SIZE));
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regs->init_avg = 0;
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regs->count_weight = 5;
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regs->ctrl = ACTMON_DEV_CTRL_ENB | ACTMON_DEV_CTRL_ENB_PERIODIC;
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}
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void actmon_dev_disable(actmon_dev_t dev)
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{
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actmon_dev_reg_t *regs = (actmon_dev_reg_t *)(ACTMON_DEV_BASE + (dev * ACTMON_DEV_SIZE));
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regs->ctrl = 0;
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}
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u32 actmon_dev_get_load(actmon_dev_t dev)
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{
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actmon_dev_reg_t *regs = (actmon_dev_reg_t *)(ACTMON_DEV_BASE + (dev * ACTMON_DEV_SIZE));
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// Get load-based sampling. 1 decimal point precision.
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u32 load = regs->count / (ACTMON_FREQ / 1000);
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return load;
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}
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u32 actmon_dev_get_load_avg(actmon_dev_t dev)
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{
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actmon_dev_reg_t *regs = (actmon_dev_reg_t *)(ACTMON_DEV_BASE + (dev * ACTMON_DEV_SIZE));
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// Get load-based sampling. 1 decimal point precision.
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u32 avg_load = regs->avg_count / (ACTMON_FREQ / 1000);
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return avg_load;
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}
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void atmon_dev_all_disable()
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{
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// TODO: do a global reset?
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}
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void actmon_init()
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{
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clock_enable_actmon();
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// Set period to 200ms.
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ACTMON(ACTMON_GLB_PERIOD_CTRL) &= ~ACTMON_GLB_PERIOD_USEC;
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ACTMON(ACTMON_GLB_PERIOD_CTRL) |= ACTMON_GLB_PERIOD_SAMPLE(200);
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}
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void actmon_end()
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{
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clock_disable_actmon();
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}
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62
bdk/soc/actmon.h
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62
bdk/soc/actmon.h
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@ -0,0 +1,62 @@
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/*
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* Activity Monitor driver for Tegra X1
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*
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* Copyright (c) 2021 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ACTMON_H_
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#define __ACTMON_H_
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#include <utils/types.h>
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typedef enum _actmon_dev_t
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{
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ACTMON_DEV_CPU,
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ACTMON_DEV_BPMP,
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ACTMON_DEV_AHB,
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ACTMON_DEV_APB,
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ACTMON_DEV_CPU_FREQ,
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ACTMON_DEV_MC_ALL,
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ACTMON_DEV_MC_CPU,
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ACTMON_DEV_NUM,
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} actmon_dev_t;
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typedef enum _actmon_hist_src_t
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{
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ACTMON_HIST_SRC_NONE = 0,
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ACTMON_HIST_SRC_AHB = 1,
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ACTMON_HIST_SRC_APB = 2,
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ACTMON_HIST_SRC_BPMP = 3,
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ACTMON_HIST_SRC_CPU = 4,
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ACTMON_HIST_SRC_MC_ALL = 5,
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ACTMON_HIST_SRC_MC_CPU = 6,
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ACTMON_HIST_SRC_CPU_FREQ = 7,
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ACTMON_HIST_SRC_NA = 8,
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ACTMON_HIST_SRC_APB_MMIO = 9,
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} actmon_hist_src_t;
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void actmon_hist_enable(actmon_hist_src_t src);
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void actmon_hist_disable();
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void actmon_hist_get(u32 *histogram);
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void actmon_dev_enable(actmon_dev_t dev);
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void actmon_dev_disable(actmon_dev_t dev);
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u32 actmon_dev_get_load(actmon_dev_t dev);
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u32 actmon_dev_get_load_avg(actmon_dev_t dev);
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void atmon_dev_all_disable();
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void actmon_init();
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void actmon_end();
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#endif
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@ -1,6 +1,6 @@
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/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018-2020 CTCaer
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* Copyright (c) 2018-2022 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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@ -100,6 +100,10 @@ static clock_t _clock_sdmmc_legacy_tm = {
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CLK_RST_CONTROLLER_RST_DEVICES_Y, CLK_RST_CONTROLLER_CLK_OUT_ENB_Y, CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC_LEGACY_TM, CLK_Y_SDMMC_LEGACY_TM, 4, 66
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};
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static clock_t _clock_actmon = {
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CLK_RST_CONTROLLER_RST_DEVICES_V, CLK_RST_CONTROLLER_CLK_OUT_ENB_V, CLK_RST_CONTROLLER_CLK_SOURCE_ACTMON, CLK_V_ACTMON, 6, 0 // 19.2MHz.
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};
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void clock_enable(const clock_t *clk)
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{
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// Put clock into reset.
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@ -279,6 +283,16 @@ void clock_disable_pwm()
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clock_disable(&_clock_pwm);
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}
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void clock_enable_actmon()
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{
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clock_enable(&_clock_actmon);
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}
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void clock_disable_actmon()
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{
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clock_disable(&_clock_actmon);
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}
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void clock_enable_pllx()
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{
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// Configure and enable PLLX if disabled.
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@ -1,6 +1,6 @@
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/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018-2020 CTCaer
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* Copyright (c) 2018-2022 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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@ -660,6 +660,9 @@ void clock_enable_coresight();
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void clock_disable_coresight();
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void clock_enable_pwm();
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void clock_disable_pwm();
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void clock_enable_actmon();
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void clock_disable_actmon();
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void clock_enable_pllx();
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void clock_enable_pllc(u32 divn);
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void clock_disable_pllc();
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