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https://github.com/AsahiLinux/u-boot
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65cc0e2a65
The rest of the unmigrated CONFIG symbols in the CONFIG_SYS namespace do not easily transition to Kconfig. In many cases they likely should come from the device tree instead. Move these out of CONFIG namespace and in to CFG namespace. Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2003
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* Texas Instruments <www.ti.com>
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*
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* (C) Copyright 2002
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Marius Groeger <mgroeger@sysgo.de>
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*
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* (C) Copyright 2002
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Alex Zuepke <azu@sysgo.de>
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*
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* (C) Copyright 2002-2004
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* Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
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*
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* (C) Copyright 2004
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* Philippe Robin, ARM Ltd. <philippe.robin@arm.com>
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*/
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#include <common.h>
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#define TIMER_ENABLE (1 << 7)
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#define TIMER_MODE_MSK (1 << 6)
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#define TIMER_MODE_FR (0 << 6)
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#define TIMER_MODE_PD (1 << 6)
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#define TIMER_INT_EN (1 << 5)
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#define TIMER_PRS_MSK (3 << 2)
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#define TIMER_PRS_8S (1 << 3)
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#define TIMER_SIZE_MSK (1 << 2)
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#define TIMER_ONE_SHT (1 << 0)
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int timer_init (void)
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{
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ulong tmr_ctrl_val;
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/* 1st disable the Timer */
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tmr_ctrl_val = *(volatile ulong *)(CFG_SYS_TIMERBASE + 8);
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tmr_ctrl_val &= ~TIMER_ENABLE;
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*(volatile ulong *)(CFG_SYS_TIMERBASE + 8) = tmr_ctrl_val;
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/*
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* The Timer Control Register has one Undefined/Shouldn't Use Bit
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* So we should do read/modify/write Operation
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*/
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/*
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* Timer Mode : Free Running
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* Interrupt : Disabled
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* Prescale : 8 Stage, Clk/256
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* Tmr Siz : 16 Bit Counter
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* Tmr in Wrapping Mode
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*/
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tmr_ctrl_val = *(volatile ulong *)(CFG_SYS_TIMERBASE + 8);
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tmr_ctrl_val &= ~(TIMER_MODE_MSK | TIMER_INT_EN | TIMER_PRS_MSK | TIMER_SIZE_MSK | TIMER_ONE_SHT );
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tmr_ctrl_val |= (TIMER_ENABLE | TIMER_PRS_8S);
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*(volatile ulong *)(CFG_SYS_TIMERBASE + 8) = tmr_ctrl_val;
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return 0;
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}
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