201 lines
5.3 KiB
C
201 lines
5.3 KiB
C
/* $NetBSD: tx39power.c,v 1.5 2000/01/16 21:47:00 uch Exp $ */
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/*
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* Copyright (c) 1999, 2000 by UCHIYAMA Yasushi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the developer may NOT be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include "opt_tx39_debug.h"
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#include "opt_tx39powerdebug.h"
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#include "opt_ddb.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <hpcmips/tx/tx39var.h>
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#include <hpcmips/tx/tx39icureg.h>
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#include <hpcmips/tx/tx39powerreg.h>
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#include <hpcmips/tx/tx39spireg.h>
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#undef POWERBUTTON_IS_DEBUGGER
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#define ISSET(x, v) ((x) & (v))
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#define ISSETPRINT(r, m) __is_set_print(r, TX39_POWERCTRL_##m, #m)
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int tx39power_match __P((struct device*, struct cfdata*, void*));
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void tx39power_attach __P((struct device*, struct device*, void*));
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int tx39power_intr __P((void*));
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int tx39power_ok_intr __P((void*));
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int tx39power_button_intr __P((void*));
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struct tx39power_softc {
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struct device sc_dev;
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tx_chipset_tag_t sc_tc;
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};
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struct cfattach tx39power_ca = {
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sizeof(struct tx39power_softc), tx39power_match, tx39power_attach
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};
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int
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tx39power_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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return 2; /* 1st attach group of txsim */
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}
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void
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tx39power_attach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct txsim_attach_args *ta = aux;
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struct tx39power_softc *sc = (void*)self;
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tx_chipset_tag_t tc;
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txreg_t reg;
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tc = sc->sc_tc = ta->ta_tc;
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tx_conf_register_power(tc, self);
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printf("\n");
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#ifdef TX39POWERDEBUG
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reg = tx_conf_read(tc, TX39_POWERCTRL_REG);
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ISSETPRINT(reg, ONBUTN);
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ISSETPRINT(reg, PWRINT);
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ISSETPRINT(reg, PWROK);
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#ifdef TX392X
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ISSETPRINT(reg, PWROKNMI);
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#endif /* TX392X */
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ISSETPRINT(reg, SLOWBUS);
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#ifdef TX391X
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ISSETPRINT(reg, DIVMOD);
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#endif /* TX391X */
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ISSETPRINT(reg, ENSTPTIMER);
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ISSETPRINT(reg, ENFORCESHUTDWN);
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ISSETPRINT(reg, FORCESHUTDWN);
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ISSETPRINT(reg, FORCESHUTDWNOCC);
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ISSETPRINT(reg, SELC2MS);
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#ifdef TX392X
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ISSETPRINT(reg, WARMSTART);
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#endif /* TX392X */
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ISSETPRINT(reg, BPDBVCC3);
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ISSETPRINT(reg, STOPCPU);
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ISSETPRINT(reg, DBNCONBUTN);
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ISSETPRINT(reg, COLDSTART);
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ISSETPRINT(reg, PWRCS);
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ISSETPRINT(reg, VCCON);
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#ifdef TX391X
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printf("VIDRF=%d ", TX39_POWERCTRL_VIDRF(reg));
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#endif /* TX391X */
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printf("STPTIMERVAL=%d ", TX39_POWERCTRL_STPTIMERVAL(reg));
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printf("\n");
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#endif /* TX39POWERDEBUG */
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#ifdef DISABLE_SPI_AND_DOZE /* XXX test XXX */
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/*
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* Disable SPI module
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*/
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reg = tx_conf_read(tc, TX39_SPICTRL_REG);
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if (ISSET(reg, TX39_SPICTRL_ENSPI)) {
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reg &= ~TX39_SPICTRL_ENSPI;
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}
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printf("SPI module disabled\n");
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/*
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* Disable Stop timer (Doze CPU mode)
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*/
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reg = tx_conf_read(tc, TX39_POWERCTRL_REG);
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printf("STPTIMER disabled.\n");
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reg &= ~TX39_POWERCTRL_ENSTPTIMER;
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tx_conf_write(tc, TX39_POWERCTRL_REG, reg);
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#endif /* DISABLE_SPI_AND_DOZE */
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/*
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* enable stop timer
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*/
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reg = tx_conf_read(tc, TX39_POWERCTRL_REG);
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reg &= ~(TX39_POWERCTRL_STPTIMERVAL_MASK <<
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TX39_POWERCTRL_STPTIMERVAL_SHIFT);
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reg = TX39_POWERCTRL_STPTIMERVAL_SET(reg, 1);
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reg |= TX39_POWERCTRL_ENSTPTIMER;
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tx_conf_write(tc, TX39_POWERCTRL_REG, reg);
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tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSPWRINT),
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IST_EDGE, IPL_CLOCK,
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tx39power_intr, sc);
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tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGPWRINT),
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IST_EDGE, IPL_CLOCK,
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tx39power_intr, sc);
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tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSPWROKINT),
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IST_EDGE, IPL_CLOCK,
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tx39power_ok_intr, sc);
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tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGPWROKINT),
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IST_EDGE, IPL_CLOCK,
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tx39power_ok_intr, sc);
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#if 0
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tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSONBUTNINT),
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IST_EDGE, IPL_CLOCK,
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tx39power_button_intr, sc);
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#endif
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tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGONBUTNINT),
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IST_EDGE, IPL_CLOCK,
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tx39power_button_intr, sc);
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}
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int
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tx39power_button_intr(arg)
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void *arg;
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{
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printf("power button\n");
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#if defined DDB && defined POWERBUTTON_IS_DEBUGGER
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cpu_Debugger();
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#endif
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return 0;
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}
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int
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tx39power_intr(arg)
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void *arg;
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{
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printf("power\n");
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return 0;
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}
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int
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tx39power_ok_intr(arg)
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void *arg;
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{
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printf("power NG\n");
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return 0;
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}
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