908 lines
27 KiB
C
908 lines
27 KiB
C
/* $NetBSD: awin_machdep.c,v 1.41 2015/06/03 10:01:32 jmcneill Exp $ */
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/*
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* Machine dependent functions for kernel setup for TI OSK5912 board.
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* Based on lubbock_machdep.c which in turn was based on iq80310_machhdep.c
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*
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* Copyright (c) 2002, 2003, 2005 Genetec Corporation. All rights reserved.
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* Written by Hiroyuki Bessho for Genetec Corporation.
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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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* 3. The name of Genetec Corporation may not be used to endorse or
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* promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* Copyright (c) 2001 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Jason R. Thorpe for Wasabi Systems, Inc.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* Copyright (c) 1997,1998 Mark Brinicombe.
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* Copyright (c) 1997,1998 Causality Limited.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Mark Brinicombe
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* for the NetBSD Project.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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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* Copyright (c) 2007 Microsoft
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Microsoft
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTERS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: awin_machdep.c,v 1.41 2015/06/03 10:01:32 jmcneill Exp $");
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#include "opt_machdep.h"
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#include "opt_ddb.h"
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#include "opt_kgdb.h"
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#include "opt_ipkdb.h"
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#include "opt_md.h"
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#include "opt_com.h"
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#include "opt_allwinner.h"
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#include "opt_arm_debug.h"
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#include "com.h"
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#include "ukbd.h"
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#include "genfb.h"
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#include "ether.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/cpu.h>
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#include <sys/device.h>
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#include <sys/exec.h>
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#include <sys/kernel.h>
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#include <sys/ksyms.h>
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#include <sys/msgbuf.h>
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#include <sys/proc.h>
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#include <sys/reboot.h>
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#include <sys/termios.h>
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#include <sys/gpio.h>
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#include <uvm/uvm_extern.h>
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#include <sys/conf.h>
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#include <dev/cons.h>
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#include <dev/md.h>
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#include <machine/db_machdep.h>
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#include <ddb/db_sym.h>
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#include <ddb/db_extern.h>
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#ifdef KGDB
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#include <sys/kgdb.h>
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#endif
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#include <machine/bootconfig.h>
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#include <arm/armreg.h>
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#include <arm/undefined.h>
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#include <arm/arm32/machdep.h>
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#include <arm/mainbus/mainbus.h>
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#include <dev/ic/ns16550reg.h>
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#include <dev/ic/comreg.h>
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#include <arm/allwinner/awin_reg.h>
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#include <arm/allwinner/awin_var.h>
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#include <evbarm/include/autoconf.h>
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#include <evbarm/awin/platform.h>
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#ifdef AWIN_SYSCONFIG
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#include <evbarm/awin/awin_sysconfig.h>
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#endif
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#include <dev/i2c/i2cvar.h>
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#include <dev/i2c/ddcreg.h>
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#include <dev/usb/ukbdvar.h>
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#include <net/if_ether.h>
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BootConfig bootconfig; /* Boot config storage */
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static char bootargs[MAX_BOOT_STRING];
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char *boot_args = NULL;
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char *boot_file = NULL;
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#if AWIN_board == AWIN_cubieboard
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bool cubietruck_p;
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#elif AWIN_board == AWIN_cubietruck
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#define cubietruck_p true
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#else
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#define cubietruck_p false
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#endif
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#ifdef AWIN_SYSCONFIG
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bool awin_sysconfig_p;
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#else
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#define awin_sysconfig_p false
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#endif
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/*
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* uboot_args are filled in by awin_start.S and must be in .data
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* and not .bss since .bss is cleared after uboot_args are filled in.
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*/
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uintptr_t uboot_args[4] = { 0 };
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/* Same things, but for the free (unused by the kernel) memory. */
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extern char KERNEL_BASE_phys[]; /* physical start of kernel */
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extern char _end[]; /* physical end of kernel */
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#if NAWIN_FB > 0
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#if NCOM > 0
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int use_fb_console = false;
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#else
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int use_fb_console = true;
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#endif
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#endif
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/*
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* Macros to translate between physical and virtual for a subset of the
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* kernel address space. *Not* for general use.
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*/
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#define KERNEL_BASE_PHYS ((paddr_t)KERNEL_BASE_phys)
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#define AWIN_CORE_VOFFSET (AWIN_CORE_VBASE - AWIN_CORE_PBASE)
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/* Prototypes */
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void consinit(void);
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#ifdef KGDB
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static void kgdb_port_init(void);
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#endif
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static void awin_device_register(device_t, void *);
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#ifdef AWIN_SYSCONFIG
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static void awin_gpio_sysconfig(prop_dictionary_t);
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#endif
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#if NCOM > 0
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#include <dev/ic/comreg.h>
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#include <dev/ic/comvar.h>
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#endif
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/*
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* Static device mappings. These peripheral registers are mapped at
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* fixed virtual addresses very early in initarm() so that we can use
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* them while booting the kernel, and stay at the same address
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* throughout whole kernel's life time.
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*
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* We use this table twice; once with bootstrap page table, and once
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* with kernel's page table which we build up in initarm().
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*
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* Since we map these registers into the bootstrap page table using
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* pmap_devmap_bootstrap() which calls pmap_map_chunk(), we map
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* registers segment-aligned and segment-rounded in order to avoid
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* using the 2nd page tables.
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*/
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#define _A(a) ((a) & ~L1_S_OFFSET)
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#define _S(s) (((s) + L1_S_SIZE - 1) & ~(L1_S_SIZE-1))
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static const struct pmap_devmap devmap[] = {
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{
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/*
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* Map all of core area, this gets us everything and
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* it's only 3MB.
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*/
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.pd_va = _A(AWIN_CORE_VBASE),
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.pd_pa = _A(AWIN_CORE_PBASE),
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.pd_size = _S(AWIN_CORE_SIZE),
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.pd_prot = VM_PROT_READ|VM_PROT_WRITE,
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.pd_cache = PTE_NOCACHE
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},
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#if defined(ALLWINNER_A80)
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{
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/*
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* A80 SYS_CTRL, HS TIMER, DMA, MSG-BOX, SPINLOCK
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*/
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.pd_va = _A(AWIN_A80_CORE2_VBASE),
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.pd_pa = _A(AWIN_A80_CORE2_PBASE),
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.pd_size = _S(AWIN_A80_CORE2_SIZE),
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.pd_prot = VM_PROT_READ|VM_PROT_WRITE,
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.pd_cache = PTE_NOCACHE
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},
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{
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/*
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* A80 USB-EHCI0/OHCI0, USB-EHCI1, USB-EHCI2/OHCI2
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*/
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.pd_va = _A(AWIN_A80_USB_VBASE),
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.pd_pa = _A(AWIN_A80_USB_PBASE),
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.pd_size = _S(AWIN_A80_USB_SIZE),
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.pd_prot = VM_PROT_READ|VM_PROT_WRITE,
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.pd_cache = PTE_NOCACHE
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},
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{
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/*
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* A80 RSB, RPRCM
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*/
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.pd_va = _A(AWIN_A80_RCPUS_VBASE),
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.pd_pa = _A(AWIN_A80_RCPUS_PBASE),
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.pd_size = _S(AWIN_A80_RCPUS_SIZE),
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.pd_prot = VM_PROT_READ|VM_PROT_WRITE,
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.pd_cache = PTE_NOCACHE
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},
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{
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/*
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* A80 CPUCFG
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*/
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.pd_va = _A(AWIN_A80_RCPUCFG_VBASE),
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.pd_pa = _A(AWIN_A80_RCPUCFG_PBASE),
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.pd_size = _S(AWIN_A80_RCPUCFG_SIZE),
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.pd_prot = VM_PROT_READ|VM_PROT_WRITE,
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.pd_cache = PTE_NOCACHE
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},
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#endif
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{
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/*
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* Map all 1MB of SRAM area.
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*/
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.pd_va = _A(AWIN_SRAM_VBASE),
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.pd_pa = _A(AWIN_SRAM_PBASE),
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.pd_size = _S(AWIN_SRAM_SIZE),
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.pd_prot = VM_PROT_READ|VM_PROT_WRITE,
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.pd_cache = PTE_CACHE
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},
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{0}
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};
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#undef _A
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#undef _S
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#ifdef PMAP_NEED_ALLOC_POOLPAGE
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static struct boot_physmem bp_highgig = {
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.bp_start = AWIN_SDRAM_PBASE / NBPG,
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.bp_pages = (KERNEL_VM_BASE - KERNEL_BASE) / NBPG,
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.bp_freelist = VM_FREELIST_ISADMA,
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.bp_flags = 0,
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};
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#endif
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/*
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* u_int initarm(...)
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*
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* Initial entry point on startup. This gets called before main() is
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* entered.
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* It should be responsible for setting up everything that must be
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* in place when main is called.
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* This includes
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* Taking a copy of the boot configuration structure.
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* Initialising the physical console so characters can be printed.
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* Setting up page tables for the kernel
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* Relocating the kernel to the bottom of physical memory
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*/
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u_int
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initarm(void *arg)
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{
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pmap_devmap_register(devmap);
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awin_bootstrap(AWIN_CORE_VBASE, CONADDR_VA);
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/* Heads up ... Setup the CPU / MMU / TLB functions. */
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if (set_cpufuncs())
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panic("cpu not recognized!");
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/* The console is going to try to map things. Give pmap a devmap. */
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consinit();
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#ifdef VERBOSE_INIT_ARM
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printf("\nuboot arg = %#"PRIxPTR", %#"PRIxPTR", %#"PRIxPTR", %#"PRIxPTR"\n",
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uboot_args[0], uboot_args[1], uboot_args[2], uboot_args[3]);
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#endif
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#ifdef KGDB
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kgdb_port_init();
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#endif
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cpu_reset_address = awin_wdog_reset;
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#ifdef VERBOSE_INIT_ARM
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/* Talk to the user */
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printf("\nNetBSD/evbarm (" BOARDTYPE ") booting ...\n");
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#endif
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#ifdef BOOT_ARGS
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char mi_bootargs[] = BOOT_ARGS;
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parse_mi_bootargs(mi_bootargs);
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#endif
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#ifdef VERBOSE_INIT_ARM
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printf("initarm: Configuring system ...\n");
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#if defined(CPU_CORTEXA7) || defined(CPU_CORTEXA9) || defined(CPU_CORTEXA15)
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if (!CPU_ID_CORTEX_A8_P(curcpu()->ci_arm_cpuid)) {
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printf("initarm: cbar=%#x\n", armreg_cbar_read());
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}
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#endif
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#endif
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/*
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* Set up the variables that define the availability of physical
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* memory.
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*/
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psize_t ram_size = awin_memprobe();
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#if AWIN_board == AWIN_cubieboard
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/* the cubietruck has 2GB whereas the cubieboards only has 1GB */
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cubietruck_p = (ram_size == 0x80000000);
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#endif
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/*
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* If MEMSIZE specified less than what we really have, limit ourselves
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* to that.
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*/
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#ifdef MEMSIZE
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if (ram_size == 0 || ram_size > (unsigned)MEMSIZE * 1024 * 1024)
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ram_size = (unsigned)MEMSIZE * 1024 * 1024;
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#else
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KASSERTMSG(ram_size > 0, "RAM size unknown and MEMSIZE undefined");
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#endif
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/*
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* Configure DMA tags
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*/
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awin_dma_bootstrap(ram_size);
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/* Fake bootconfig structure for the benefit of pmap.c. */
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bootconfig.dramblocks = 1;
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bootconfig.dram[0].address = AWIN_SDRAM_PBASE;
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bootconfig.dram[0].pages = ram_size / PAGE_SIZE;
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#ifdef __HAVE_MM_MD_DIRECT_MAPPED_PHYS
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const bool mapallmem_p = true;
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#ifndef PMAP_NEED_ALLOC_POOLPAGE
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if (ram_size > KERNEL_VM_BASE - KERNEL_BASE) {
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printf("%s: dropping RAM size from %luMB to %uMB\n",
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__func__, (unsigned long) (ram_size >> 20),
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(KERNEL_VM_BASE - KERNEL_BASE) >> 20);
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ram_size = KERNEL_VM_BASE - KERNEL_BASE;
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}
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#endif
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#else
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const bool mapallmem_p = false;
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#endif
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KASSERT((armreg_pfr1_read() & ARM_PFR1_SEC_MASK) != 0);
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arm32_bootmem_init(bootconfig.dram[0].address, ram_size,
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KERNEL_BASE_PHYS);
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arm32_kernel_vm_init(KERNEL_VM_BASE, ARM_VECTORS_LOW, 0, devmap,
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mapallmem_p);
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if (mapallmem_p) {
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/*
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* "bootargs" env variable is passed as 4th argument
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* to kernel but it's using the physical address and
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* we to convert that to a virtual address.
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*/
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if (uboot_args[3] - AWIN_SDRAM_PBASE < ram_size) {
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const char * const args = (const char *)
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(uboot_args[3] + KERNEL_BASE_VOFFSET);
|
|
strlcpy(bootargs, args, sizeof(bootargs));
|
|
}
|
|
|
|
}
|
|
|
|
boot_args = bootargs;
|
|
parse_mi_bootargs(boot_args);
|
|
|
|
#ifdef AWIN_SYSCONFIG
|
|
if (mapallmem_p) {
|
|
awin_sysconfig_p = awin_sysconfig_init();
|
|
}
|
|
#endif
|
|
|
|
/* we've a specific device_register routine */
|
|
evbarm_device_register = awin_device_register;
|
|
|
|
#if NAWIN_FB > 0
|
|
char *ptr;
|
|
if (get_bootconf_option(boot_args, "console",
|
|
BOOTOPT_TYPE_STRING, &ptr) && strncmp(ptr, "fb", 2) == 0) {
|
|
use_fb_console = true;
|
|
}
|
|
#endif
|
|
/*
|
|
* If we couldn't map all of memory via TTBR1, limit the memory the
|
|
* kernel can allocate from to be from the highest available 1GB.
|
|
*/
|
|
#ifdef PMAP_NEED_ALLOC_POOLPAGE
|
|
if (atop(ram_size) > bp_highgig.bp_pages) {
|
|
bp_highgig.bp_start += atop(ram_size) - bp_highgig.bp_pages;
|
|
arm_poolpage_vmfreelist = bp_highgig.bp_freelist;
|
|
return initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE,
|
|
&bp_highgig, 1);
|
|
}
|
|
#endif
|
|
|
|
return initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE, NULL, 0);
|
|
|
|
}
|
|
|
|
#if NCOM > 0
|
|
#ifndef CONADDR
|
|
#define CONADDR (AWIN_CORE_PBASE + AWIN_UART0_OFFSET)
|
|
#endif
|
|
#ifndef CONSPEED
|
|
#define CONSPEED 115200
|
|
#endif
|
|
#ifndef CONMODE
|
|
#define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB | HUPCL)) | CS8) /* 8N1 */
|
|
#endif
|
|
|
|
#ifdef ALLWINNER_A80
|
|
__CTASSERT(AWIN_CORE_PBASE + AWIN_A80_UART0_OFFSET <= CONADDR);
|
|
__CTASSERT(CONADDR <= AWIN_CORE_PBASE + AWIN_A80_UART5_OFFSET);
|
|
#else
|
|
__CTASSERT(AWIN_CORE_PBASE + AWIN_UART0_OFFSET <= CONADDR);
|
|
__CTASSERT(CONADDR <= AWIN_CORE_PBASE + AWIN_UART7_OFFSET);
|
|
#endif
|
|
__CTASSERT(CONADDR % AWIN_UART_SIZE == 0);
|
|
static const bus_addr_t conaddr = CONADDR;
|
|
static const int conspeed = CONSPEED;
|
|
static const int conmode = CONMODE;
|
|
#endif
|
|
|
|
void
|
|
consinit(void)
|
|
{
|
|
bus_space_tag_t bst = &armv7_generic_a4x_bs_tag;
|
|
#if NCOM > 0
|
|
bus_space_handle_t bh;
|
|
#endif
|
|
static int consinit_called = 0;
|
|
|
|
if (consinit_called != 0)
|
|
return;
|
|
|
|
consinit_called = 1;
|
|
|
|
#if NCOM > 0
|
|
if (bus_space_map(bst, conaddr, AWIN_UART_SIZE, 0, &bh))
|
|
panic("Serial console can not be mapped.");
|
|
|
|
if (comcnattach(bst, conaddr, conspeed, AWIN_UART_FREQ,
|
|
COM_TYPE_NORMAL, conmode))
|
|
panic("Serial console can not be initialized.");
|
|
|
|
bus_space_unmap(bst, bh, AWIN_UART_SIZE);
|
|
#else
|
|
#error only COM console is supported
|
|
|
|
#if NUKBD > 0
|
|
ukbd_cnattach(); /* allow USB keyboard to become console */
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
#ifdef KGDB
|
|
#ifndef KGDB_DEVADDR
|
|
#error Specify the address of the kgdb UART with the KGDB_DEVADDR option.
|
|
#endif
|
|
#ifndef KGDB_DEVRATE
|
|
#define KGDB_DEVRATE 115200
|
|
#endif
|
|
|
|
#ifndef KGDB_DEVMODE
|
|
#define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
|
|
#endif
|
|
|
|
__CTASSERT(KGDB_DEVADDR != CONADDR);
|
|
__CTASSERT(AWIN_CORE_PBASE + AWIN_UART0_OFFSET <= KGDB_DEVADDR);
|
|
__CTASSERT(KGDB_DEVADDR <= AWIN_CORE_PBASE + AWIN_UART7_OFFSET);
|
|
__CTASSERT(KGDB_DEVADDR % AWIN_UART_SIZE == 0);
|
|
|
|
static const vaddr_t comkgdbaddr = KGDB_DEVADDR;
|
|
static const int comkgdbspeed = KGDB_DEVRATE;
|
|
static const int comkgdbmode = KGDB_DEVMODE;
|
|
|
|
void
|
|
static kgdb_port_init(void)
|
|
{
|
|
bus_space_tag_t bst = &awin_a4x_bs_tag;
|
|
static bool kgdbsinit_called;
|
|
|
|
if (kgdbsinit_called)
|
|
return;
|
|
|
|
kgdbsinit_called = true;
|
|
|
|
bus_space_handle_t bh;
|
|
if (bus_space_map(bst, comkgdbaddr, AWIN_UART_SIZE, 0, &bh))
|
|
panic("kgdb port can not be mapped.");
|
|
|
|
if (com_kgdb_attach(bst, comkgdbaddr, comkgdbspeed, AWIN_REF_FREQ,
|
|
COM_TYPE_NORMAL, comkgdbmode))
|
|
panic("KGDB uart can not be initialized.");
|
|
|
|
bus_space_unmap(bst, bh, AWIN_UART_SIZE);
|
|
}
|
|
#endif
|
|
|
|
void
|
|
awin_device_register(device_t self, void *aux)
|
|
{
|
|
prop_dictionary_t dict = device_properties(self);
|
|
|
|
if (device_is_a(self, "armperiph")
|
|
&& device_is_a(device_parent(self), "mainbus")) {
|
|
|
|
#if defined(ALLWINNER_A80)
|
|
/* XXX Cubie4 SDK u-boot wrongly sets cbar to 0x01c80000 */
|
|
if (armreg_cbar_read() != AWIN_A80_GIC_BASE) {
|
|
aprint_normal("fixup: cbar %#x -> %#x\n",
|
|
armreg_cbar_read(), AWIN_A80_GIC_BASE);
|
|
prop_dictionary_set_uint32(dict, "cbar",
|
|
AWIN_A80_GIC_BASE);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* XXX KLUDGE ALERT XXX
|
|
* The iot mainbus supplies is completely wrong since it scales
|
|
* addresses by 2. The simpliest remedy is to replace with our
|
|
* bus space used for the armcore regisers (which armperiph uses).
|
|
*/
|
|
struct mainbus_attach_args * const mb = aux;
|
|
mb->mb_iot = &armv7_generic_bs_tag;
|
|
return;
|
|
}
|
|
|
|
#if defined(CPU_CORTEXA7) || defined(CPU_CORTEXA15)
|
|
if (device_is_a(self, "armgtmr")) {
|
|
/*
|
|
* The frequency of the generic timer is the reference
|
|
* frequency.
|
|
*/
|
|
prop_dictionary_set_uint32(dict, "frequency", AWIN_REF_FREQ);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if (device_is_a(self, "awinio")) {
|
|
#if AWIN_board == AWIN_cubieboard || AWIN_board == AWIN_cubietruck
|
|
if (awin_chip_id() == AWIN_CHIP_ID_A20) {
|
|
prop_dictionary_set_bool(dict, "no-awe", true);
|
|
} else {
|
|
prop_dictionary_set_bool(dict, "no-awge", true);
|
|
}
|
|
#elif AWIN_board == AWIN_bpi || AWIN_board == AWIN_olimexlime2
|
|
prop_dictionary_set_bool(dict, "no-awe", true);
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
if (device_is_a(self, "awingpio")) {
|
|
#ifdef AWIN_SYSCONFIG
|
|
/*
|
|
* Configure GPIOs using FEX script
|
|
*/
|
|
if (awin_sysconfig_p) {
|
|
awin_gpio_sysconfig(dict);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* These are GPIOs being used for various functions.
|
|
*/
|
|
prop_dictionary_set_cstring(dict, "satapwren",
|
|
(cubietruck_p ? ">PH12" : ">PB8"));
|
|
#if AWIN_board == AWIN_hummingbird_a31
|
|
prop_dictionary_set_cstring(dict, "usb0iddet", "<PA15");
|
|
prop_dictionary_set_cstring(dict, "usb0vbusdet", "<PA16");
|
|
prop_dictionary_set_cstring(dict, "usb0drv", ">PA17");
|
|
prop_dictionary_set_cstring(dict, "usb0restrict", ">PA18");
|
|
prop_dictionary_set_cstring(dict, "usb1drv", ">PH27");
|
|
prop_dictionary_set_cstring(dict, "usb1restrict", ">PH26");
|
|
prop_dictionary_set_cstring(dict, "usb2drv", ">PH24");
|
|
#elif AWIN_board == AWIN_allwinner_a80
|
|
prop_dictionary_set_cstring(dict, "usb1drv", ">PH14");
|
|
prop_dictionary_set_cstring(dict, "usb2drv", ">PH15");
|
|
#else
|
|
if (cubietruck_p) {
|
|
prop_dictionary_set_cstring(dict, "usb0drv", ">PH17");
|
|
} else if (awin_chip_id() == AWIN_CHIP_ID_A20) {
|
|
prop_dictionary_set_cstring(dict, "usb0drv", ">PB9");
|
|
} else {
|
|
prop_dictionary_set_cstring(dict, "usb0drv", ">PB2");
|
|
}
|
|
prop_dictionary_set_cstring(dict, "usb2drv", ">PH3");
|
|
prop_dictionary_set_cstring(dict, "usb0iddet",
|
|
(cubietruck_p ? "<PH19" : "<PH4"));
|
|
prop_dictionary_set_cstring(dict, "usb0vbusdet",
|
|
(cubietruck_p ? "<PH22" : "<PH5"));
|
|
prop_dictionary_set_cstring(dict, "usb1drv", ">PH6");
|
|
#endif
|
|
#if AWIN_board == AWIN_cubietruck
|
|
prop_dictionary_set_cstring(dict, "usb0restrict", ">PH0");
|
|
#endif
|
|
#if AWIN_board == AWIN_allwinner_a80
|
|
prop_dictionary_set_cstring(dict, "status-led1", ">PH06");
|
|
prop_dictionary_set_cstring(dict, "status-led2", ">PH17");
|
|
#else
|
|
prop_dictionary_set_cstring(dict, "status-led1", ">PH21");
|
|
prop_dictionary_set_cstring(dict, "status-led2", ">PH20");
|
|
if (cubietruck_p) {
|
|
prop_dictionary_set_cstring(dict, "status-led3", ">PH11");
|
|
prop_dictionary_set_cstring(dict, "status-led4", ">PH7");
|
|
} else {
|
|
prop_dictionary_set_cstring(dict, "hdd5ven", ">PH17");
|
|
prop_dictionary_set_cstring(dict, "emacpwren", ">PH19");
|
|
}
|
|
#endif
|
|
#if AWIN_board == AWIN_cubieboard || AWIN_board == AWIN_cubietruck || AWIN_board == AWIN_olimexlime2
|
|
prop_dictionary_set_cstring(dict, "mmc0detect", "<PH1");
|
|
#elif AWIN_board == AWIN_bpi
|
|
prop_dictionary_set_cstring(dict, "mmc0detect", "<PH10");
|
|
#elif AWIN_board == AWIN_hummingbird_a31
|
|
prop_dictionary_set_cstring(dict, "mmc0detect", "<PH8");
|
|
#elif AWIN_board == AWIN_allwinner_a80
|
|
prop_dictionary_set_cstring(dict, "mmc0detect", "<PH18");
|
|
#endif
|
|
|
|
#if AWIN_board == AWIN_hummingbird_a31
|
|
prop_dictionary_set_cstring(dict, "audiopactrl", ">PH22");
|
|
#else
|
|
prop_dictionary_set_cstring(dict, "audiopactrl", ">PH15");
|
|
#endif
|
|
|
|
#if AWIN_board == AWIN_bpi
|
|
prop_dictionary_set_cstring(dict, "gmacpwren", ">PH23");
|
|
#endif
|
|
|
|
/*
|
|
* These pins have no connections.
|
|
*/
|
|
prop_dictionary_set_uint32(dict, "nc-b", 0x0003d0e8);
|
|
prop_dictionary_set_uint32(dict, "nc-c", 0x00ff0000);
|
|
prop_dictionary_set_uint32(dict, "nc-h", 0x03c53f04);
|
|
prop_dictionary_set_uint32(dict, "nc-i", 0x003fc03f);
|
|
return;
|
|
}
|
|
|
|
if (device_is_a(self, "ehci")) {
|
|
return;
|
|
}
|
|
|
|
if (device_is_a(self, "ahcisata")) {
|
|
/* PIO PB<8> / PIO PH<12> output */
|
|
prop_dictionary_set_cstring(dict, "power-gpio", "satapwren");
|
|
return;
|
|
}
|
|
|
|
if (device_is_a(self, "awinmmc")) {
|
|
struct awinio_attach_args * const aio = aux;
|
|
if (aio->aio_loc.loc_port == 0) {
|
|
prop_dictionary_set_cstring(dict,
|
|
"detect-gpio", "mmc0detect");
|
|
#if !(AWIN_board == AWIN_hummingbird_a31)
|
|
prop_dictionary_set_cstring(dict,
|
|
"led-gpio", "status-led2");
|
|
#endif
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (device_is_a(self, "awinac")) {
|
|
prop_dictionary_set_cstring(dict, "pactrl-gpio", "audiopactrl");
|
|
return;
|
|
}
|
|
|
|
if (device_is_a(self, "awge") && device_unit(self) == 0) {
|
|
#if NETHER > 0
|
|
/*
|
|
* Get the GMAC MAC address from cmdline.
|
|
*/
|
|
uint8_t enaddr[ETHER_ADDR_LEN];
|
|
if (get_bootconf_option(boot_args, "awge0.mac-address",
|
|
BOOTOPT_TYPE_MACADDR, enaddr)) {
|
|
prop_data_t pd = prop_data_create_data(enaddr,
|
|
sizeof(enaddr));
|
|
prop_dictionary_set(dict, "mac-address", pd);
|
|
prop_object_release(pd);
|
|
}
|
|
#endif
|
|
|
|
#if AWIN_board == AWIN_cubieboard
|
|
if (awin_chip_id() == AWIN_CHIP_ID_A20) {
|
|
/* Cubieboard2 uses GMAC with a 100Mbit PHY */
|
|
prop_dictionary_set_cstring(dict, "phy-type", "mii");
|
|
}
|
|
#endif
|
|
#if AWIN_board == AWIN_bpi
|
|
prop_dictionary_set_cstring(dict, "phy-power", "gmacpwren");
|
|
prop_dictionary_set_cstring(dict, "phy-type", "rgmii-bpi");
|
|
prop_dictionary_set_uint8(dict, "pinset-func", 3);
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
if (device_is_a(self, "com")) {
|
|
#if NAWIN_FB > 0
|
|
if (use_fb_console)
|
|
prop_dictionary_set_bool(dict, "is_console", false);
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
if (device_is_a(self, "awindebe")) {
|
|
int margin;
|
|
if (get_bootconf_option(boot_args, "fb.margin",
|
|
BOOTOPT_TYPE_INT, &margin) && margin > 0) {
|
|
prop_dictionary_set_uint16(dict, "margin", margin);
|
|
}
|
|
}
|
|
|
|
if (device_is_a(self, "awinhdmi")) {
|
|
char *display_mode;
|
|
if (get_bootconf_option(boot_args, "hdmi.forcemode",
|
|
BOOTOPT_TYPE_STRING, &display_mode)) {
|
|
if (strcasecmp(display_mode, "hdmi") == 0) {
|
|
prop_dictionary_set_cstring(dict,
|
|
"display-mode", "hdmi");
|
|
} else if (strcasecmp(display_mode, "dvi") == 0) {
|
|
prop_dictionary_set_cstring(dict,
|
|
"display-mode", "dvi");
|
|
}
|
|
}
|
|
}
|
|
|
|
#if NGENFB > 0
|
|
if (device_is_a(self, "genfb")) {
|
|
#ifdef DDB
|
|
db_trap_callback = awin_fb_ddb_trap_callback;
|
|
#endif
|
|
char *ptr;
|
|
if (get_bootconf_option(boot_args, "console",
|
|
BOOTOPT_TYPE_STRING, &ptr) && strncmp(ptr, "fb", 2) == 0) {
|
|
prop_dictionary_set_bool(dict, "is_console", true);
|
|
#if NUKBD > 0
|
|
ukbd_cnattach();
|
|
#endif
|
|
} else {
|
|
prop_dictionary_set_bool(dict, "is_console", false);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#ifdef AWIN_SYSCONFIG
|
|
static void
|
|
awin_gpio_sysconfig(prop_dictionary_t dict)
|
|
{
|
|
static const struct {
|
|
const char *prop;
|
|
const char *key;
|
|
const char *subkey;
|
|
} gpios[] = {
|
|
{ "satapwren", "sata_para", "sata_power_en" },
|
|
{ "usb0drv", "usbc0", "usb_drv_vbus_gpio" },
|
|
{ "usb0iddet", "usbc0", "usb_id_gpio" },
|
|
{ "usb0vbusdet", "usbc0", "usb_det_vbus_gpio" },
|
|
{ "usb0restrict", "usbc0", "usb_restrict_gpio" },
|
|
{ "usb1drv", "usbc1", "usb_drv_vbus_gpio" },
|
|
{ "usb1iddet", "usbc1", "usb_id_gpio" },
|
|
{ "usb1vbusdet", "usbc1", "usb_det_vbus_gpio" },
|
|
{ "usb1restrict", "usbc1", "usb_restrict_gpio" },
|
|
{ "usb2drv", "usbc2", "usb_drv_vbus_gpio" },
|
|
{ "usb2iddet", "usbc2", "usb_id_gpio" },
|
|
{ "usb2vbusdet", "usbc2", "usb_det_vbus_gpio" },
|
|
{ "usb2restrict", "usbc2", "usb_restrict_gpio" },
|
|
{ "status-led1", "leds_para", "leds_pin_1" },
|
|
{ "status-led2", "leds_para", "leds_pin_2" },
|
|
{ "status-led3", "leds_para", "leds_pin_3" },
|
|
{ "status-led4", "leds_para", "leds_pin_4" },
|
|
{ "mmc0detect", "mmc0_para", "sdc_det" },
|
|
{ "audiopactrl", "audio_para", "audio_pa_ctrl" },
|
|
{ "gmacpwren", "gmac_phy_power", "gmac_phy_power_en" },
|
|
};
|
|
unsigned int n;
|
|
|
|
aprint_normal(":");
|
|
|
|
for (n = 0; n < __arraycount(gpios); n++) {
|
|
const char *cfg = awin_sysconfig_get_gpio(
|
|
gpios[n].key, gpios[n].subkey);
|
|
if (cfg) {
|
|
aprint_normal(" [%s %s]", gpios[n].prop, cfg);
|
|
prop_dictionary_set_cstring(dict, gpios[n].prop, cfg);
|
|
}
|
|
}
|
|
}
|
|
#endif
|