924 lines
26 KiB
C
924 lines
26 KiB
C
/* $NetBSD: gumstix_machdep.c,v 1.50 2014/06/07 10:30:13 kiyohara Exp $ */
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/*
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* Copyright (C) 2005, 2006, 2007 WIDE Project and SOUM Corporation.
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* All rights reserved.
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*
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* Written by Takashi Kiyohara and Susumu Miki for WIDE Project and SOUM
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* 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. Neither the name of the project nor the name of SOUM Corporation
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT and SOUM CORPORATION ``AS IS''
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* AND 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 THE PROJECT AND SOUM 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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/*
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* Copyright (c) 2002, 2003, 2004, 2005 Genetec Corporation.
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* All rights reserved.
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*
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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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* Machine dependent functions for kernel setup for Genetec G4250EBX
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* evaluation board.
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*
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* Based on iq80310_machhdep.c
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*/
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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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/*
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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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* Machine dependent functions for kernel setup for Intel IQ80310 evaluation
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* boards using RedBoot firmware.
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*/
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#include "opt_evbarm_boardtype.h"
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#include "opt_cputypes.h"
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#include "opt_gumstix.h"
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#ifdef OVERO
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#include "opt_omap.h"
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#include "prcm.h"
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#endif
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#include "opt_kgdb.h"
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#include "opt_pmap_debug.h"
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#include "opt_com.h"
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#include <sys/param.h>
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#include <sys/conf.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/proc.h>
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#include <sys/reboot.h>
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#include <sys/systm.h>
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#include <sys/termios.h>
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#include <sys/bus.h>
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#include <sys/cpu.h>
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#include <uvm/uvm_extern.h>
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#include <machine/autoconf.h>
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#include <machine/bootconfig.h>
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#include <arm/locore.h>
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#include <arm/arm32/machdep.h>
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#ifdef OVERO
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#include <arm/omap/omap2_gpmcreg.h>
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#include <arm/omap/omap2_prcm.h>
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#include <arm/omap/omap2_reg.h>
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#include <arm/omap/omap_var.h>
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#include <arm/omap/omap_com.h>
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#endif
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#include <arm/xscale/pxa2x0reg.h>
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#include <arm/xscale/pxa2x0var.h>
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#include <arm/xscale/pxa2x0_gpio.h>
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#include <evbarm/gumstix/gumstixreg.h>
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#include <evbarm/gumstix/gumstixvar.h>
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#include <dev/cons.h>
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#ifdef KGDB
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#include <sys/kgdb.h>
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#endif
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/*
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* The range 0xc1000000 - 0xcfffffff is available for kernel VM space
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* Core-logic registers and I/O mappings occupy 0xfd000000 - 0xffffffff
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*/
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#ifndef KERNEL_VM_BASE
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#define KERNEL_VM_BASE 0xc1000000
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#endif
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#define KERNEL_VM_SIZE 0x0f000000
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BootConfig bootconfig; /* Boot config storage */
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static char bootargs[MAX_BOOT_STRING];
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const size_t bootargs_len = sizeof(bootargs) - 1; /* without nul */
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char *boot_args = NULL;
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uint32_t system_serial_high;
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uint32_t system_serial_low;
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/* Prototypes */
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#if defined(GUMSTIX)
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static void read_system_serial(void);
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#elif defined(OVERO)
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static void overo_reset(void);
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static void find_cpu_clock(void);
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#endif
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static void process_kernel_args(int, char *[]);
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static void process_kernel_args_liner(char *);
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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 gumstix_device_register(device_t, void *);
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bs_protos(bs_notimpl);
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#include "com.h"
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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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#if defined(CPU_XSCALE_PXA250) || defined(CPU_XSCALE_PXA270)
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#include "lcd.h"
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#endif
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#ifndef CONSPEED
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#define CONSPEED B115200 /* It's a setting of the default of u-boot */
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#endif
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#ifndef CONMODE
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#define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
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#endif
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int comcnspeed = CONSPEED;
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int comcnmode = CONMODE;
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#ifdef GUMSTIX_NETBSD_ARGS_CONSOLE
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static char console[16];
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#endif
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extern void gxio_config_pin(void);
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extern void gxio_config_expansion(char *);
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static inline pd_entry_t *
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read_ttb(void)
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{
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long ttb;
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__asm volatile("mrc p15, 0, %0, c2, c0, 0" : "=r" (ttb));
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return (pd_entry_t *)(ttb & ~((1<<14)-1));
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}
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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 gumstix_devmap[] = {
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#if defined(GUMSTIX)
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{
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GUMSTIX_GPIO_VBASE,
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_A(PXA2X0_GPIO_BASE),
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_S(PXA250_GPIO_SIZE),
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VM_PROT_READ | VM_PROT_WRITE,
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PTE_NOCACHE,
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},
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{
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GUMSTIX_CLKMAN_VBASE,
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_A(PXA2X0_CLKMAN_BASE),
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_S(PXA2X0_CLKMAN_SIZE),
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VM_PROT_READ | VM_PROT_WRITE,
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PTE_NOCACHE,
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},
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{
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GUMSTIX_INTCTL_VBASE,
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_A(PXA2X0_INTCTL_BASE),
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_S(PXA2X0_INTCTL_SIZE),
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VM_PROT_READ | VM_PROT_WRITE,
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PTE_NOCACHE,
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},
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{
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GUMSTIX_FFUART_VBASE,
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_A(PXA2X0_FFUART_BASE),
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_S(4 * COM_NPORTS),
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VM_PROT_READ | VM_PROT_WRITE,
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PTE_NOCACHE,
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},
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{
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GUMSTIX_STUART_VBASE,
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_A(PXA2X0_STUART_BASE),
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_S(4 * COM_NPORTS),
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VM_PROT_READ | VM_PROT_WRITE,
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PTE_NOCACHE,
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},
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{
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GUMSTIX_BTUART_VBASE,
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_A(PXA2X0_BTUART_BASE),
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_S(4 * COM_NPORTS),
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VM_PROT_READ | VM_PROT_WRITE,
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PTE_NOCACHE,
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},
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{
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GUMSTIX_HWUART_VBASE,
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_A(PXA2X0_HWUART_BASE),
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_S(4 * COM_NPORTS),
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VM_PROT_READ | VM_PROT_WRITE,
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PTE_NOCACHE,
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},
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{
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GUMSTIX_LCDC_VBASE,
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_A(PXA2X0_LCDC_BASE),
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_S(4 * COM_NPORTS),
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VM_PROT_READ | VM_PROT_WRITE,
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PTE_NOCACHE,
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},
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#elif defined(OVERO)
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{
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OVERO_L4_PERIPHERAL_VBASE,
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_A(OMAP3530_L4_PERIPHERAL_BASE),
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_S(OMAP3530_L4_PERIPHERAL_SIZE),
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VM_PROT_READ | VM_PROT_WRITE,
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PTE_NOCACHE
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},
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{
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OVERO_GPMC_VBASE,
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_A(GPMC_BASE),
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_S(GPMC_SIZE),
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VM_PROT_READ | VM_PROT_WRITE,
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PTE_NOCACHE
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},
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#endif
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{ 0, 0, 0, 0, 0 }
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};
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#undef _A
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#undef _S
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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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extern char KERNEL_BASE_phys[];
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extern uint32_t *u_boot_args[];
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extern uint32_t ram_size;
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enum { r0 = 0, r1 = 1, r2 = 2, r3 = 3 }; /* args from u-boot */
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/*
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* We mapped PA == VA in gumstix_start.S.
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* Also mapped SDRAM to KERNEL_BASE first 64Mbyte only with cachable.
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*
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* Gumstix (basix, connex, verdex, verdex-pro):
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* Physical Address Range Description
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* ----------------------- ----------------------------------
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* 0x00000000 - 0x00ffffff flash Memory (16MB or 4MB)
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* 0x40000000 - 0x480fffff Processor Registers
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* 0xa0000000 - 0xa3ffffff SDRAM Bank 0 (64MB or 128MB)
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* 0xc0000000 - 0xc3ffffff KERNEL_BASE
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*
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* Overo:
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* Physical Address Range Description
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* ----------------------- ----------------------------------
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* 0x80000000 - 0x8fffffff SDRAM Bank 0 (256MB or 512MB)
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* 0x80000000 - 0x83ffffff KERNEL_BASE
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*/
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#if defined(GUMSTIX)
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cpu_reset_address = NULL;
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#elif defined(OVERO)
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cpu_reset_address = overo_reset;
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find_cpu_clock(); // find our CPU speed.
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#endif
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/*
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* Heads up ... Setup the CPU / MMU / TLB functions
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*/
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if (set_cpufuncs())
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panic("cpu not recognized!");
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/* map some peripheral registers at static I/O area */
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pmap_devmap_bootstrap((vaddr_t)read_ttb(), gumstix_devmap);
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#if defined(CPU_XSCALE_PXA250) || defined(CPU_XSCALE_PXA270)
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/* start 32.768kHz OSC */
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ioreg_write(GUMSTIX_CLKMAN_VBASE + CLKMAN_OSCC, OSCC_OON);
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/* Get ready for splfoo() */
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pxa2x0_intr_bootstrap(GUMSTIX_INTCTL_VBASE);
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/* setup GPIO for {FF,ST,HW}UART. */
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pxa2x0_gpio_bootstrap(GUMSTIX_GPIO_VBASE);
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pxa2x0_clkman_bootstrap(GUMSTIX_CLKMAN_VBASE);
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#elif defined(CPU_CORTEX)
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cortex_pmc_ccnt_init();
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#endif
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cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT);
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/* configure GPIOs. */
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gxio_config_pin();
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#ifndef GUMSTIX_NETBSD_ARGS_CONSOLE
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consinit();
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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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/*
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* Examine the boot args string for options we need to know about
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* now.
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*/
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#if defined(GUMSTIX)
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#define SDRAM_START 0xa0000000UL
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#elif defined(OVERO)
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#define SDRAM_START 0x80000000UL
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#endif
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if (((uint32_t)u_boot_args[r0] & 0xf0000000) != SDRAM_START)
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/* Maybe r0 is 'argc'. We are booted by command 'go'. */
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process_kernel_args((int)u_boot_args[r0],
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(char **)u_boot_args[r1]);
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else
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/*
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* Maybe r3 is 'boot args string' of 'bootm'. This string is
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* linely.
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*/
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process_kernel_args_liner((char *)u_boot_args[r3]);
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#ifdef GUMSTIX_NETBSD_ARGS_CONSOLE
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consinit();
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#endif
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/* Talk to the user */
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#define BDSTR(s) _BDSTR(s)
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#define _BDSTR(s) #s
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printf("\nNetBSD/evbarm (" BDSTR(EVBARM_BOARDTYPE) ") booting ...\n");
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/* Read system serial */
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#if defined(GUMSTIX)
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read_system_serial();
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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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#endif
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/* Fake bootconfig structure for the benefit of pmap.c */
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/* XXX must make the memory description h/w independent */
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bootconfig.dramblocks = 1;
|
|
bootconfig.dram[0].address = SDRAM_START;
|
|
bootconfig.dram[0].pages = ram_size / PAGE_SIZE;
|
|
|
|
KASSERT(ram_size <= KERNEL_VM_BASE - KERNEL_BASE);
|
|
|
|
arm32_bootmem_init(bootconfig.dram[0].address, ram_size,
|
|
(uintptr_t) KERNEL_BASE_phys);
|
|
arm32_kernel_vm_init(KERNEL_VM_BASE,
|
|
#if defined(CPU_XSCALE_PXA250) || defined(CPU_XSCALE_PXA270)
|
|
ARM_VECTORS_LOW,
|
|
#elif defined(CPU_CORTEXA8)
|
|
ARM_VECTORS_HIGH,
|
|
#endif
|
|
0, gumstix_devmap, true);
|
|
|
|
evbarm_device_register = gumstix_device_register;
|
|
|
|
return initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE, NULL, 0);
|
|
}
|
|
|
|
#if defined(GUMSTIX)
|
|
static void
|
|
read_system_serial(void)
|
|
{
|
|
#define GUMSTIX_SYSTEM_SERIAL_ADDR 0
|
|
#define GUMSTIX_SYSTEM_SERIAL_SIZE 8
|
|
#define FLASH_OFFSET_INTEL_PROTECTION 0x81
|
|
#define FLASH_OFFSET_USER_PROTECTION 0x85
|
|
#define FLASH_CMD_READ_ID 0x90
|
|
#define FLASH_CMD_RESET 0xff
|
|
int i;
|
|
char system_serial[GUMSTIX_SYSTEM_SERIAL_SIZE], *src;
|
|
char x;
|
|
|
|
src = (char *)(FLASH_OFFSET_USER_PROTECTION * 2 /*word*/);
|
|
*(volatile uint16_t *)0 = FLASH_CMD_READ_ID;
|
|
memcpy(system_serial,
|
|
src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial));
|
|
*(volatile uint16_t *)0 = FLASH_CMD_RESET;
|
|
|
|
for (i = 1, x = system_serial[0]; i < sizeof (system_serial); i++)
|
|
x &= system_serial[i];
|
|
if (x == 0xff) {
|
|
src = (char *)(FLASH_OFFSET_INTEL_PROTECTION * 2 /*word*/);
|
|
*(volatile uint16_t *)0 = FLASH_CMD_READ_ID;
|
|
memcpy(system_serial,
|
|
src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial));
|
|
*(volatile uint16_t *)0 = FLASH_CMD_RESET;
|
|
|
|
/*
|
|
* XXXX: Don't need ???
|
|
* gumstix_serial_hash(system_serial);
|
|
*/
|
|
}
|
|
system_serial_high = system_serial[0] << 24 | system_serial[1] << 16 |
|
|
system_serial[2] << 8 | system_serial[3];
|
|
system_serial_low = system_serial[4] << 24 | system_serial[5] << 16 |
|
|
system_serial[6] << 8 | system_serial[7];
|
|
|
|
printf("system serial: 0x");
|
|
for (i = 0; i < sizeof (system_serial); i++)
|
|
printf("%02x", system_serial[i]);
|
|
printf("\n");
|
|
}
|
|
|
|
#elif defined(OVERO)
|
|
|
|
static void
|
|
overo_reset(void)
|
|
{
|
|
|
|
#if NPRCM > 0
|
|
prcm_cold_reset();
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
find_cpu_clock(void)
|
|
{
|
|
const vaddr_t prm_base = OMAP2_PRM_BASE;
|
|
const vaddr_t cm_base = OMAP2_CM_BASE;
|
|
const uint32_t prm_clksel =
|
|
*(volatile uint32_t *)(prm_base + PLL_MOD + OMAP3_PRM_CLKSEL);
|
|
static const uint32_t prm_clksel_freqs[] = OMAP3_PRM_CLKSEL_FREQS;
|
|
const uint32_t sys_clk =
|
|
prm_clksel_freqs[__SHIFTOUT(prm_clksel, OMAP3_PRM_CLKSEL_CLKIN)];
|
|
const uint32_t dpll1 =
|
|
*(volatile uint32_t *)(cm_base + OMAP3_CM_CLKSEL1_PLL_MPU);
|
|
const uint32_t dpll2 =
|
|
*(volatile uint32_t *)(cm_base + OMAP3_CM_CLKSEL2_PLL_MPU);
|
|
const uint32_t m =
|
|
__SHIFTOUT(dpll1, OMAP3_CM_CLKSEL1_PLL_MPU_DPLL_MULT);
|
|
const uint32_t n = __SHIFTOUT(dpll1, OMAP3_CM_CLKSEL1_PLL_MPU_DPLL_DIV);
|
|
const uint32_t m2 =
|
|
__SHIFTOUT(dpll2, OMAP3_CM_CLKSEL2_PLL_MPU_DPLL_CLKOUT_DIV);
|
|
|
|
/*
|
|
* MPU_CLK supplies ARM_FCLK which is twice the CPU frequency.
|
|
*/
|
|
curcpu()->ci_data.cpu_cc_freq =
|
|
((sys_clk * m) / ((n + 1) * m2 * 2)) * OMAP3_PRM_CLKSEL_MULT;
|
|
omap_sys_clk = sys_clk * OMAP3_PRM_CLKSEL_MULT;
|
|
}
|
|
#endif
|
|
|
|
#ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER
|
|
static const char busheader_name[] = "busheader=";
|
|
#endif
|
|
#if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \
|
|
defined(GUMSTIX_NETBSD_ARGS_EXPANSION)
|
|
static const char expansion_name[] = "expansion=";
|
|
#endif
|
|
#ifdef GUMSTIX_NETBSD_ARGS_CONSOLE
|
|
static const char console_name[] = "console=";
|
|
#endif
|
|
static void
|
|
process_kernel_args(int argc, char *argv[])
|
|
{
|
|
int gxio_configured = 0, i, j;
|
|
|
|
boothowto = 0;
|
|
|
|
for (i = 1, j = 0; i < argc; i++) {
|
|
#ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER
|
|
if (!strncmp(argv[i], busheader_name, strlen(busheader_name))) {
|
|
/* Configure for GPIOs of busheader side */
|
|
gxio_config_expansion(argv[i] + strlen(busheader_name));
|
|
gxio_configured = 1;
|
|
continue;
|
|
}
|
|
#endif
|
|
#if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \
|
|
defined(GUMSTIX_NETBSD_ARGS_EXPANSION)
|
|
if (!strncmp(argv[i], expansion_name, strlen(expansion_name))) {
|
|
/* Configure expansion */
|
|
gxio_config_expansion(argv[i] + strlen(expansion_name));
|
|
gxio_configured = 1;
|
|
continue;
|
|
}
|
|
#endif
|
|
#ifdef GUMSTIX_NETBSD_ARGS_CONSOLE
|
|
if (!strncmp(argv[i], console_name, strlen(console_name))) {
|
|
strncpy(console, argv[i] + strlen(console_name),
|
|
sizeof(console));
|
|
consinit();
|
|
}
|
|
#endif
|
|
if (j == bootargs_len) {
|
|
*(bootargs + j) = '\0';
|
|
continue;
|
|
}
|
|
if (j != 0)
|
|
*(bootargs + j++) = ' ';
|
|
strncpy(bootargs + j, argv[i], bootargs_len - j);
|
|
bootargs[bootargs_len] = '\0';
|
|
j += strlen(argv[i]);
|
|
}
|
|
boot_args = bootargs;
|
|
|
|
parse_mi_bootargs(boot_args);
|
|
|
|
if (!gxio_configured)
|
|
gxio_config_expansion(NULL);
|
|
}
|
|
|
|
static void
|
|
process_kernel_args_liner(char *args)
|
|
{
|
|
int i = 0;
|
|
char *p = NULL;
|
|
|
|
boothowto = 0;
|
|
|
|
strncpy(bootargs, args, sizeof(bootargs));
|
|
#if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \
|
|
defined(GUMSTIX_NETBSD_ARGS_EXPANSION)
|
|
{
|
|
char *q;
|
|
|
|
if ((p = strstr(bootargs, expansion_name)))
|
|
q = p + strlen(expansion_name);
|
|
#ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER
|
|
else if ((p = strstr(bootargs, busheader_name)))
|
|
q = p + strlen(busheader_name);
|
|
#endif
|
|
if (p) {
|
|
char expansion[256], c;
|
|
|
|
i = 0;
|
|
do {
|
|
c = *(q + i);
|
|
if (c == ' ')
|
|
c = '\0';
|
|
expansion[i++] = c;
|
|
} while (c != '\0' && i < sizeof(expansion));
|
|
gxio_config_expansion(expansion);
|
|
strcpy(p, q + i);
|
|
}
|
|
}
|
|
#endif
|
|
if (p == NULL)
|
|
gxio_config_expansion(NULL);
|
|
#ifdef GUMSTIX_NETBSD_ARGS_CONSOLE
|
|
p = strstr(bootargs, console_name);
|
|
if (p != NULL) {
|
|
char c;
|
|
|
|
i = 0;
|
|
do {
|
|
c = *(p + strlen(console_name) + i);
|
|
if (c == ' ')
|
|
c = '\0';
|
|
console[i++] = c;
|
|
} while (c != '\0' && i < sizeof(console));
|
|
consinit();
|
|
strcpy(p, p + strlen(console_name) + i);
|
|
}
|
|
#endif
|
|
boot_args = bootargs;
|
|
|
|
parse_mi_bootargs(boot_args);
|
|
}
|
|
|
|
#ifdef KGDB
|
|
#ifndef KGDB_DEVNAME
|
|
#define KGDB_DEVNAME "ffuart"
|
|
#endif
|
|
const char kgdb_devname[] = KGDB_DEVNAME;
|
|
|
|
#ifndef KGDB_DEVRATE
|
|
#define KGDB_DEVRATE CONSPEED
|
|
#endif
|
|
int kgdb_devrate = KGDB_DEVRATE;
|
|
|
|
#if (NCOM > 0)
|
|
#ifndef KGDB_DEVMODE
|
|
#define KGDB_DEVMODE CONMODE
|
|
#endif
|
|
int comkgdbmode = KGDB_DEVMODE;
|
|
#endif /* NCOM */
|
|
|
|
#endif /* KGDB */
|
|
|
|
|
|
void
|
|
consinit(void)
|
|
{
|
|
static int consinit_called = 0;
|
|
|
|
if (consinit_called != 0)
|
|
return;
|
|
|
|
consinit_called = 1;
|
|
|
|
#if NCOM > 0
|
|
|
|
#ifdef GUMSTIX_NETBSD_ARGS_CONSOLE
|
|
/* Maybe passed Linux's bootargs 'console=ttyS?,<speed>...' */
|
|
if (strncmp(console, "ttyS", 4) == 0 && console[5] == ',') {
|
|
int i;
|
|
|
|
comcnspeed = 0;
|
|
for (i = 6; i < strlen(console) && isdigit(console[i]); i++)
|
|
comcnspeed = comcnspeed * 10 + (console[i] - '0');
|
|
}
|
|
#endif
|
|
|
|
#if defined(GUMSTIX)
|
|
|
|
#ifdef FFUARTCONSOLE
|
|
#ifdef KGDB
|
|
if (strcmp(kgdb_devname, "ffuart") == 0){
|
|
/* port is reserved for kgdb */
|
|
} else
|
|
#endif
|
|
#if defined(GUMSTIX_NETBSD_ARGS_CONSOLE)
|
|
if (console[0] == '\0' || strcasecmp(console, "ffuart") == 0 ||
|
|
strncmp(console, "ttyS0,", 6) == 0)
|
|
#endif
|
|
{
|
|
int rv;
|
|
|
|
rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_FFUART_BASE,
|
|
comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode);
|
|
if (rv == 0) {
|
|
pxa2x0_clkman_config(CKEN_FFUART, 1);
|
|
return;
|
|
}
|
|
}
|
|
#endif /* FFUARTCONSOLE */
|
|
|
|
#ifdef STUARTCONSOLE
|
|
#ifdef KGDB
|
|
if (strcmp(kgdb_devname, "stuart") == 0) {
|
|
/* port is reserved for kgdb */
|
|
} else
|
|
#endif
|
|
#if defined(GUMSTIX_NETBSD_ARGS_CONSOLE)
|
|
if (console[0] == '\0' || strcasecmp(console, "stuart") == 0)
|
|
#endif
|
|
{
|
|
int rv;
|
|
|
|
rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_STUART_BASE,
|
|
comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode);
|
|
if (rv == 0) {
|
|
pxa2x0_clkman_config(CKEN_STUART, 1);
|
|
return;
|
|
}
|
|
}
|
|
#endif /* STUARTCONSOLE */
|
|
|
|
#ifdef BTUARTCONSOLE
|
|
#ifdef KGDB
|
|
if (strcmp(kgdb_devname, "btuart") == 0) {
|
|
/* port is reserved for kgdb */
|
|
} else
|
|
#endif
|
|
#if defined(GUMSTIX_NETBSD_ARGS_CONSOLE)
|
|
if (console[0] == '\0' || strcasecmp(console, "btuart") == 0)
|
|
#endif
|
|
{
|
|
int rv;
|
|
|
|
rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_BTUART_BASE,
|
|
comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode);
|
|
if (rv == 0) {
|
|
pxa2x0_clkman_config(CKEN_BTUART, 1);
|
|
return;
|
|
}
|
|
}
|
|
#endif /* BTUARTCONSOLE */
|
|
|
|
#ifdef HWUARTCONSOLE
|
|
#ifdef KGDB
|
|
if (strcmp(kgdb_devname, "hwuart") == 0) {
|
|
/* port is reserved for kgdb */
|
|
} else
|
|
#endif
|
|
#if defined(GUMSTIX_NETBSD_ARGS_CONSOLE)
|
|
if (console[0] == '\0' || strcasecmp(console, "hwuart") == 0)
|
|
#endif
|
|
{
|
|
rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_HWUART_BASE,
|
|
comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode);
|
|
if (rv == 0) {
|
|
pxa2x0_clkman_config(CKEN_HWUART, 1);
|
|
return;
|
|
}
|
|
}
|
|
#endif /* HWUARTCONSOLE */
|
|
|
|
#elif defined(OVERO)
|
|
|
|
if (comcnattach(&omap_a4x_bs_tag, 0x49020000, comcnspeed,
|
|
OMAP_COM_FREQ, COM_TYPE_NORMAL, comcnmode) == 0)
|
|
return;
|
|
|
|
#endif /* GUMSTIX or OVERO */
|
|
|
|
#endif /* NCOM */
|
|
|
|
#if NLCD > 0
|
|
#if defined(GUMSTIX_NETBSD_ARGS_CONSOLE)
|
|
if (console[0] == '\0' || strcasecmp(console, "lcd") == 0)
|
|
#endif
|
|
{
|
|
gxlcd_cnattach();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#ifdef KGDB
|
|
static void
|
|
kgdb_port_init(void)
|
|
{
|
|
#if (NCOM > 0) && defined(COM_PXA2X0)
|
|
paddr_t paddr = 0;
|
|
int cken = 0;
|
|
|
|
if (0 == strcmp(kgdb_devname, "ffuart")) {
|
|
paddr = PXA2X0_FFUART_BASE;
|
|
cken = CKEN_FFUART;
|
|
} else if (0 == strcmp(kgdb_devname, "stuart")) {
|
|
paddr = PXA2X0_STUART_BASE;
|
|
cken = CKEN_STUART;
|
|
} else if (0 == strcmp(kgdb_devname, "btuart")) {
|
|
paddr = PXA2X0_BTUART_BASE;
|
|
cken = CKEN_BTUART;
|
|
} else if (0 == strcmp(kgdb_devname, "hwuart")) {
|
|
paddr = PXA2X0_HWUART_BASE;
|
|
cken = CKEN_HWUART;
|
|
}
|
|
|
|
if (paddr &&
|
|
0 == com_kgdb_attach(&pxa2x0_a4x_bs_tag, paddr,
|
|
kgdb_devrate, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comkgdbmode)) {
|
|
|
|
pxa2x0_clkman_config(cken, 1);
|
|
}
|
|
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
gumstix_device_register(device_t dev, void *aux)
|
|
{
|
|
prop_dictionary_t dict = device_properties(dev);
|
|
|
|
if (device_is_a(dev, "ehci")) {
|
|
prop_dictionary_set_uint16(dict, "nports", 2);
|
|
prop_dictionary_set_bool(dict, "phy-reset", true);
|
|
prop_dictionary_set_cstring(dict, "port0-mode", "none");
|
|
prop_dictionary_set_int16(dict, "port0-gpio", -1);
|
|
prop_dictionary_set_cstring(dict, "port1-mode", "phy");
|
|
prop_dictionary_set_int16(dict, "port1-gpio", 183);
|
|
prop_dictionary_set_bool(dict, "port1-gpioval", true);
|
|
prop_dictionary_set_uint16(dict, "dpll5-m", 443);
|
|
prop_dictionary_set_uint16(dict, "dpll5-n", 11);
|
|
prop_dictionary_set_uint16(dict, "dpll5-m2", 4);
|
|
}
|
|
if (device_is_a(dev, "ohci")) {
|
|
if (prop_dictionary_set_bool(dict,
|
|
"Ganged-power-mask-on-port1", 1) == false) {
|
|
printf("WARNING: unable to set power-mask for port1"
|
|
" property for %s\n", device_xname(dev));
|
|
}
|
|
if (prop_dictionary_set_bool(dict,
|
|
"Ganged-power-mask-on-port2", 1) == false) {
|
|
printf("WARNING: unable to set power-mask for port2"
|
|
" property for %s\n", device_xname(dev));
|
|
}
|
|
if (prop_dictionary_set_bool(dict,
|
|
"Ganged-power-mask-on-port3", 1) == false) {
|
|
printf("WARNING: unable to set power-mask for port3"
|
|
" property for %s\n", device_xname(dev));
|
|
}
|
|
}
|
|
}
|