99 lines
3.7 KiB
C
99 lines
3.7 KiB
C
/*-
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* Copyright (c) 2012 Olivier Houchard.
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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. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* The machine-dependent part of the arm/pl310 driver for imx6 SoCs.
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/rman.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <machine/bus.h>
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#include <machine/pl310.h>
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void
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platform_pl310_init(struct pl310_softc *sc)
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{
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uint32_t aux, prefetch;
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aux = pl310_read4(sc, PL310_AUX_CTRL);
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prefetch = pl310_read4(sc, PL310_PREFETCH_CTRL);
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if (bootverbose) {
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device_printf(sc->sc_dev, "Early BRESP response: %s\n",
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(aux & AUX_CTRL_EARLY_BRESP) ? "enabled" : "disabled");
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device_printf(sc->sc_dev, "Instruction prefetch: %s\n",
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(aux & AUX_CTRL_INSTR_PREFETCH) ? "enabled" : "disabled");
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device_printf(sc->sc_dev, "Data prefetch: %s\n",
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(aux & AUX_CTRL_DATA_PREFETCH) ? "enabled" : "disabled");
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device_printf(sc->sc_dev, "Non-secure interrupt control: %s\n",
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(aux & AUX_CTRL_NS_INT_CTRL) ? "enabled" : "disabled");
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device_printf(sc->sc_dev, "Non-secure lockdown: %s\n",
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(aux & AUX_CTRL_NS_LOCKDOWN) ? "enabled" : "disabled");
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device_printf(sc->sc_dev, "Share override: %s\n",
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(aux & AUX_CTRL_SHARE_OVERRIDE) ? "enabled" : "disabled");
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device_printf(sc->sc_dev, "Double linefil: %s\n",
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(prefetch & PREFETCH_CTRL_DL) ? "enabled" : "disabled");
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device_printf(sc->sc_dev, "Instruction prefetch: %s\n",
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(prefetch & PREFETCH_CTRL_INSTR_PREFETCH) ? "enabled" : "disabled");
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device_printf(sc->sc_dev, "Data prefetch: %s\n",
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(prefetch & PREFETCH_CTRL_DATA_PREFETCH) ? "enabled" : "disabled");
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device_printf(sc->sc_dev, "Double linefill on WRAP request: %s\n",
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(prefetch & PREFETCH_CTRL_DL_ON_WRAP) ? "enabled" : "disabled");
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device_printf(sc->sc_dev, "Prefetch drop: %s\n",
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(prefetch & PREFETCH_CTRL_PREFETCH_DROP) ? "enabled" : "disabled");
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device_printf(sc->sc_dev, "Incr double Linefill: %s\n",
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(prefetch & PREFETCH_CTRL_INCR_DL) ? "enabled" : "disabled");
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device_printf(sc->sc_dev, "Not same ID on exclusive sequence: %s\n",
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(prefetch & PREFETCH_CTRL_NOTSAMEID) ? "enabled" : "disabled");
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device_printf(sc->sc_dev, "Prefetch offset: %d\n",
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(prefetch & PREFETCH_CTRL_OFFSET_MASK));
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}
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}
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void
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platform_pl310_write_ctrl(struct pl310_softc *sc, uint32_t val)
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{
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pl310_write4(sc, PL310_CTRL, val);
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}
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void
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platform_pl310_write_debug(struct pl310_softc *sc, uint32_t val)
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{
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pl310_write4(sc, PL310_DEBUG_CTRL, val);
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}
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