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base: remove deprecated driver files
As far as I can tell, these file are not used anymore. Ref #4081
This commit is contained in:
Martin Stein
Christian Helmuth
parent
7ea020d471
commit
ee6f5f3b1b
@ -1,61 +0,0 @@
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/*
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* \brief Driver for the platform specific functionality for bcm2837
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* \author Tomasz Gajewski
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* \date 2019-12-28
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*/
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/*
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* Copyright (C) 2011-2019 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__DRIVERS__PLATFORM__BCM2837_CONTROL_H_
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#define _INCLUDE__DRIVERS__PLATFORM__BCM2837_CONTROL_H_
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/* Genode includes */
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#include <util/mmio.h>
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namespace Genode { class Bcm2837_control; }
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class Genode::Bcm2837_control : Mmio
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{
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public:
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struct ControlRegister : public Register<0x0, 32>
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{
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struct CoreTimeClockSource : Bitfield<8,1> { };
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struct TimerIncrement : Bitfield<9,1> { };
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};
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struct CoreTimerPrescaler : public Register<0x8, 32>
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{
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};
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inline Bcm2837_control(addr_t const base);
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inline void initialize_timer_frequency();
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};
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Genode::Bcm2837_control::Bcm2837_control(addr_t const base)
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:
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Mmio(base)
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{ }
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void Genode::Bcm2837_control::initialize_timer_frequency()
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{
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/*
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* Set prescaler value to achieve divider value equal to 1.
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* Value taken from chapter "3.1.1 Timer clock" from QA7_rev3.4.pdf
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* document describing the BCM2836 chip.
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*/
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write<CoreTimerPrescaler>(0x80000000);
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}
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#endif /* _INCLUDE__DRIVERS__PLATFORM__BCM2837_CONTROL_H_ */
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@ -1,9 +0,0 @@
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TARGET = imx7_timer_drv
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REQUIRES = arm_v7
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GEN_DIR := $(BASE_DIR)/src/timer
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INC_DIR += $(GEN_DIR)/gpt
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SRC_CC += gpt/time_source.cc gpt/imx7/timer.cc
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include $(GEN_DIR)/target.inc
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vpath %.cc $(GEN_DIR)
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@ -1,29 +0,0 @@
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/*
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* \brief Time source for i.MX7 (GPT1)
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* \author Stefan Kalkowski
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* \date 2019-04-13
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*/
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/*
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* Copyright (C) 2019 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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/* local include */
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#include <time_source.h>
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using namespace Genode;
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enum {
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MMIO_BASE = 0x302d0000,
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MMIO_SIZE = 0x1000,
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IRQ = 87,
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};
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Timer::Time_source::Time_source(Env &env)
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: Attached_mmio(env, MMIO_BASE, MMIO_SIZE),
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Signalled_time_source(env),
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_timer_irq(env, unsigned(IRQ)) { _initialize(); }
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@ -1,75 +0,0 @@
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/*
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* \brief Time source that uses the General Purpose Timer (Freescale)
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* \author Stefan Kalkowski
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* \date 2019-04-13
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*/
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/*
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* Copyright (C) 2019 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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/* local includes */
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#include <time_source.h>
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using namespace Genode;
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void Timer::Time_source::set_timeout(Genode::Microseconds duration,
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Timeout_handler &handler)
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{
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_handler = &handler;
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/* set to minimum ticks value to not miss a too short timeout */
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uint32_t const ticks =
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max((uint32_t)1, (uint32_t)((duration.value * TICKS_PER_MS) / 1000));
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/* clear interrupts */
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if (read<Sr>()) {
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write<Sr>(0xffffffff);
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_timer_irq.ack_irq();
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}
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/* set new timeout */
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write<Ocr1>(read<Cnt>() + ticks);
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}
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Duration Timer::Time_source::curr_time()
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{
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Cnt::access_t cur_cnt = read<Cnt>();
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Genode::Microseconds us(timer_ticks_to_us(cur_cnt - _last_cnt, TICKS_PER_MS));
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_last_cnt = cur_cnt;
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_curr_time.add(us);
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return _curr_time;
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}
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Microseconds Timer::Time_source::max_timeout() const
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{
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static unsigned long max = timer_ticks_to_us(0xffffffff, TICKS_PER_MS);
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return Genode::Microseconds(max);
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}
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void Timer::Time_source::_initialize()
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{
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_timer_irq.sigh(_signal_handler);
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write<Cr>(0);
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write<Ir>(0);
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write<Ocr1>(0);
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write<Ocr2>(0);
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write<Ocr3>(0);
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write<Icr1>(0);
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write<Icr2>(0);
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write<Cr::Clk_src>(Cr::Clk_src::HIGH_FREQ_REF_CLK);
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while (read<Cr::Swr>()) ;
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write<Sr>(0);
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write<Cr::Frr>(1);
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write<Cr::En_mod>(1);
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write<Cr::En>(1);
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write<Ir>(1);
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}
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@ -1,76 +0,0 @@
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/*
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* \brief Time source that uses the General Purpose Timer (Freescale)
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* \author Stefan Kalkowski
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* \date 2019-04-13
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*/
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/*
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* Copyright (C) 2019 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _TIME_SOURCE_H_
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#define _TIME_SOURCE_H_
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/* Genode includes */
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#include <irq_session/connection.h>
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#include <os/attached_mmio.h>
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#include <drivers/timer/util.h>
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/* local includes */
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#include <signalled_time_source.h>
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namespace Timer { class Time_source; }
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class Timer::Time_source : private Genode::Attached_mmio,
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public Genode::Signalled_time_source
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{
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private:
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enum { TICKS_PER_MS = 500 };
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struct Cr : Register<0x0, 32>
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{
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struct En : Bitfield<0, 1> { };
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struct En_mod : Bitfield<1, 1> { };
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struct Clk_src : Bitfield<6, 3> { enum { HIGH_FREQ_REF_CLK = 2 }; };
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struct Frr : Bitfield<9, 1> { };
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struct Swr : Bitfield<15, 1> { };
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};
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struct Pr : Register<0x4, 32> { };
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struct Sr : Register<0x8, 32> { };
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struct Ir : Register<0xc, 32> { };
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struct Ocr1 : Register<0x10, 32> { };
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struct Ocr2 : Register<0x14, 32> { };
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struct Ocr3 : Register<0x18, 32> { };
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struct Icr1 : Register<0x1c, 32> { };
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struct Icr2 : Register<0x20, 32> { };
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struct Cnt : Register<0x24, 32> { };
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Genode::Irq_connection _timer_irq;
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Genode::Duration _curr_time { Genode::Microseconds(0) };
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Cnt::access_t _last_cnt { 0 };
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void _initialize();
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public:
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Time_source(Genode::Env &env);
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/*************************
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** Genode::Time_source **
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*************************/
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Genode::Duration curr_time() override;
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void set_timeout(Genode::Microseconds duration,
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Genode::Timeout_handler &handler) override;
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Genode::Microseconds max_timeout() const override;
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};
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#endif /* _TIME_SOURCE_H_ */
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