git: c0dba117de23 - main - arm/mv: Remove ic.c, it's unused
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Date: Thu, 27 Mar 2025 13:47:51 UTC
The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=c0dba117de236a68de5dc233ab4f61bed337a9cb commit c0dba117de236a68de5dc233ab4f61bed337a9cb Author: Andrew Turner <andrew@FreeBSD.org> AuthorDate: 2025-03-27 13:21:33 +0000 Commit: Andrew Turner <andrew@FreeBSD.org> CommitDate: 2025-03-27 13:47:37 +0000 arm/mv: Remove ic.c, it's unused Reviewed by: cognet, imp Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D49496 --- sys/arm/mv/ic.c | 310 -------------------------------------------------------- 1 file changed, 310 deletions(-) diff --git a/sys/arm/mv/ic.c b/sys/arm/mv/ic.c deleted file mode 100644 index aaea59ae2ca6..000000000000 --- a/sys/arm/mv/ic.c +++ /dev/null @@ -1,310 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause - * - * Copyright (c) 2006 Benno Rice. - * Copyright (C) 2007-2008 MARVELL INTERNATIONAL LTD. - * All rights reserved. - * - * Adapted and extended to Marvell SoCs by Semihalf. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * from: FreeBSD: //depot/projects/arm/src/sys/arm/xscale/pxa2x0/pxa2x0_icu.c, rev 1 - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/bus.h> -#include <sys/kernel.h> -#include <sys/ktr.h> -#include <sys/module.h> -#include <sys/rman.h> -#include <machine/bus.h> -#include <machine/intr.h> - -#include <dev/ofw/ofw_bus.h> -#include <dev/ofw/ofw_bus_subr.h> - -#include <arm/mv/mvreg.h> -#include <arm/mv/mvvar.h> - -struct mv_ic_softc { - struct resource * ic_res[1]; - bus_space_tag_t ic_bst; - bus_space_handle_t ic_bsh; - int ic_high_regs; - int ic_error_regs; -}; - -static struct resource_spec mv_ic_spec[] = { - { SYS_RES_MEMORY, 0, RF_ACTIVE }, - { -1, 0 } -}; - -static struct mv_ic_softc *mv_ic_sc = NULL; - -static int mv_ic_probe(device_t); -static int mv_ic_attach(device_t); - -uint32_t mv_ic_get_cause(void); -uint32_t mv_ic_get_mask(void); -void mv_ic_set_mask(uint32_t); -uint32_t mv_ic_get_cause_hi(void); -uint32_t mv_ic_get_mask_hi(void); -void mv_ic_set_mask_hi(uint32_t); -uint32_t mv_ic_get_cause_error(void); -uint32_t mv_ic_get_mask_error(void); -void mv_ic_set_mask_error(uint32_t); -static void arm_mask_irq_all(void); - -static int -mv_ic_probe(device_t dev) -{ - - if (!ofw_bus_status_okay(dev)) - return (ENXIO); - - if (!ofw_bus_is_compatible(dev, "mrvl,pic")) - return (ENXIO); - - device_set_desc(dev, "Marvell Integrated Interrupt Controller"); - return (0); -} - -static int -mv_ic_attach(device_t dev) -{ - struct mv_ic_softc *sc; - uint32_t dev_id, rev_id; - int error; - - sc = (struct mv_ic_softc *)device_get_softc(dev); - - if (mv_ic_sc != NULL) - return (ENXIO); - mv_ic_sc = sc; - - soc_id(&dev_id, &rev_id); - - sc->ic_high_regs = 0; - sc->ic_error_regs = 0; - - if (dev_id == MV_DEV_88F6281 || - dev_id == MV_DEV_88F6282 || - dev_id == MV_DEV_MV78100 || - dev_id == MV_DEV_MV78100_Z0) - sc->ic_high_regs = 1; - - if (dev_id == MV_DEV_MV78100 || dev_id == MV_DEV_MV78100_Z0) - sc->ic_error_regs = 1; - - error = bus_alloc_resources(dev, mv_ic_spec, sc->ic_res); - if (error) { - device_printf(dev, "could not allocate resources\n"); - return (ENXIO); - } - - sc->ic_bst = rman_get_bustag(sc->ic_res[0]); - sc->ic_bsh = rman_get_bushandle(sc->ic_res[0]); - - /* Mask all interrupts */ - arm_mask_irq_all(); - - return (0); -} - -static device_method_t mv_ic_methods[] = { - DEVMETHOD(device_probe, mv_ic_probe), - DEVMETHOD(device_attach, mv_ic_attach), - { 0, 0 } -}; - -static driver_t mv_ic_driver = { - "ic", - mv_ic_methods, - sizeof(struct mv_ic_softc), -}; - -DRIVER_MODULE(ic, simplebus, mv_ic_driver, 0, 0); - -int -arm_get_next_irq(int last) -{ - u_int filt, irq; - int next; - - filt = ~((last >= 0) ? (2 << last) - 1 : 0); - irq = mv_ic_get_cause() & mv_ic_get_mask(); - if (irq & filt) { - next = ffs(irq & filt) - 1; - goto out; - } - if (mv_ic_sc->ic_high_regs) { - filt = ~((last >= 32) ? (2 << (last - 32)) - 1 : 0); - irq = mv_ic_get_cause_hi() & mv_ic_get_mask_hi(); - if (irq & filt) { - next = ffs(irq & filt) + 31; - goto out; - } - } - if (mv_ic_sc->ic_error_regs) { - filt = ~((last >= 64) ? (2 << (last - 64)) - 1 : 0); - irq = mv_ic_get_cause_error() & mv_ic_get_mask_error(); - if (irq & filt) { - next = ffs(irq & filt) + 63; - goto out; - } - } - next = -1; - - out: - CTR3(KTR_INTR, "%s: last=%d, next=%d", __func__, last, next); - return (next); -} - -static void -arm_mask_irq_all(void) -{ - - mv_ic_set_mask(0); - - if (mv_ic_sc->ic_high_regs) - mv_ic_set_mask_hi(0); - - if (mv_ic_sc->ic_error_regs) - mv_ic_set_mask_error(0); -} - -void -arm_mask_irq(uintptr_t nb) -{ - uint32_t mr; - - if (nb < 32) { - mr = mv_ic_get_mask(); - mr &= ~(1 << nb); - mv_ic_set_mask(mr); - - } else if ((nb < 64) && mv_ic_sc->ic_high_regs) { - mr = mv_ic_get_mask_hi(); - mr &= ~(1 << (nb - 32)); - mv_ic_set_mask_hi(mr); - - } else if ((nb < 96) && mv_ic_sc->ic_error_regs) { - mr = mv_ic_get_mask_error(); - mr &= ~(1 << (nb - 64)); - mv_ic_set_mask_error(mr); - } -} - -void -arm_unmask_irq(uintptr_t nb) -{ - uint32_t mr; - - if (nb < 32) { - mr = mv_ic_get_mask(); - mr |= (1 << nb); - mv_ic_set_mask(mr); - - } else if ((nb < 64) && mv_ic_sc->ic_high_regs) { - mr = mv_ic_get_mask_hi(); - mr |= (1 << (nb - 32)); - mv_ic_set_mask_hi(mr); - - } else if ((nb < 96) && mv_ic_sc->ic_error_regs) { - mr = mv_ic_get_mask_error(); - mr |= (1 << (nb - 64)); - mv_ic_set_mask_error(mr); - } -} - -void -mv_ic_set_mask(uint32_t val) -{ - - bus_space_write_4(mv_ic_sc->ic_bst, mv_ic_sc->ic_bsh, - IRQ_MASK, val); -} - -uint32_t -mv_ic_get_mask(void) -{ - - return (bus_space_read_4(mv_ic_sc->ic_bst, - mv_ic_sc->ic_bsh, IRQ_MASK)); -} - -uint32_t -mv_ic_get_cause(void) -{ - - return (bus_space_read_4(mv_ic_sc->ic_bst, - mv_ic_sc->ic_bsh, IRQ_CAUSE)); -} - -void -mv_ic_set_mask_hi(uint32_t val) -{ - - bus_space_write_4(mv_ic_sc->ic_bst, mv_ic_sc->ic_bsh, - IRQ_MASK_HI, val); -} - -uint32_t -mv_ic_get_mask_hi(void) -{ - - return (bus_space_read_4(mv_ic_sc->ic_bst, - mv_ic_sc->ic_bsh, IRQ_MASK_HI)); -} - -uint32_t -mv_ic_get_cause_hi(void) -{ - - return (bus_space_read_4(mv_ic_sc->ic_bst, - mv_ic_sc->ic_bsh, IRQ_CAUSE_HI)); -} - -void -mv_ic_set_mask_error(uint32_t val) -{ - - bus_space_write_4(mv_ic_sc->ic_bst, mv_ic_sc->ic_bsh, - IRQ_MASK_ERROR, val); -} - -uint32_t -mv_ic_get_mask_error(void) -{ - - return (bus_space_read_4(mv_ic_sc->ic_bst, - mv_ic_sc->ic_bsh, IRQ_MASK_ERROR)); -} - -uint32_t -mv_ic_get_cause_error(void) -{ - - return (bus_space_read_4(mv_ic_sc->ic_bst, - mv_ic_sc->ic_bsh, IRQ_CAUSE_ERROR)); -}