First attempt at initial evbarm support for cubieboard (compile tested).
This commit is contained in:
matt
parent
6b4d5e4626
commit
1eb01ad9de
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@ -0,0 +1,685 @@
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/* $NetBSD: cubie_machdep.c,v 1.1 2013/09/03 18:01:33 matt 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
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. The name of Genetec Corporation may not be used to endorse or
|
||||
* promote products derived from this software without specific prior
|
||||
* written permission.
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||||
*
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||||
* THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
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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
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed for the NetBSD Project by
|
||||
* Wasabi Systems, Inc.
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||||
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
|
||||
* or promote products derived from this software without specific prior
|
||||
* written permission.
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||||
*
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||||
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
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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
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* 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
|
||||
* endorse or promote products derived from this software without specific
|
||||
* 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
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
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*
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* Copyright (c) 2007 Microsoft
|
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* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Microsoft
|
||||
*
|
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTERS BE LIABLE FOR ANY DIRECT,
|
||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
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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: cubie_machdep.c,v 1.1 2013/09/03 18:01:33 matt 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 "com.h"
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#include "sdhc.h"
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#include "ukbd.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/cubie/platform.h>
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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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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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u_int uboot_args[4] = { 0 }; /* filled in by cubie_start.S (not in bss) */
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/* Same things, but for the free (unused by the kernel) memory. */
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extern char KERNEL_BASE_phys[];
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extern char _end[];
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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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#ifdef CPU_CORTEXA7
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uint32_t arm_cnt_frq;
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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 init_clocks(void);
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static void cubie_device_register(device_t, void *);
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static void cubie_reset(void);
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static void awin_cpu_clk(void);
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static psize_t awin_memprobe(void);
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bs_protos(bs_notimpl);
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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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{
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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 DDB
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static void
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cubie_db_trap(int where)
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{
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static bool oldstate;
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if (where) {
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oldstate = awinwdt_enable(false);
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} else {
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awinwdt_enable(oldstate);
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}
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}
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#endif
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void cubie_putchar(char c);
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void
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cubie_putchar(char c)
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{
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#if NCOM > 0
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volatile uint32_t *com0addr = (volatile uint32_t *)CONADDR_VA;
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int timo = 150000;
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while ((com0addr[com_lsr] & LSR_TXRDY) == 0) {
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if (--timo == 0)
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break;
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}
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com0addr[com_data] = c;
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while ((com0addr[com_lsr] & LSR_TXRDY) == 0) {
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if (--timo == 0)
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break;
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}
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#endif
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}
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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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psize_t ram_size = 0;
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char *ptr;
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#if 1
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cubie_putchar('d');
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#endif
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/*
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* When we enter here, we are using a temporary first level translation
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* table with section entries in it to cover the core peripherals and
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* SDRAM. The temporary first level translation table is well after
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* the kernel.
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*/
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awin_cpu_clk(); // find our CPU speed.
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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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init_clocks();
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/* The console is going to try to map things. Give pmap a devmap. */
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pmap_devmap_register(devmap);
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consinit();
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#if defined(TI_AM335X) && defined(VERBOSE_INIT_ARM)
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am335x_cpu_clk(); // find our CPU speed.
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#endif
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printf("\nuboot arg = %#x, %#x, %#x, %#x\n",
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uboot_args[0], uboot_args[1], uboot_args[2], uboot_args[3]);
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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 = cubie_reset;
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#ifdef VERBOSE_INIT_ARM
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/* Talk to the user */
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printf("\nNetBSD/evbarm (cubie) 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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#endif
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#if defined(CPU_CORTEXA7) || defined(CPU_CORTEXA9) || defined(CPU_CORTEXA15)
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printf("initarm: cbar=%#x\n", armreg_cbar_read());
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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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ram_size = awin_memprobe();
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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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/* Fake bootconfig structure for the benefit of pmap.c. */
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bootconfig.dramblocks = 1;
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bootconfig.dram[0].address = KERNEL_BASE_PHYS & -0x400000;
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bootconfig.dram[0].pages = ram_size / PAGE_SIZE;
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||||
|
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#ifdef __HAVE_MM_MD_DIRECT_MAPPED_PHYS
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const bool mapallmem_p = true;
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KASSERT(ram_size <= KERNEL_VM_BASE - KERNEL_BASE);
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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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/* "bootargs" env variable is passed as 4th argument to kernel */
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if (uboot_args[3] - AWIN_SDRAM_PBASE < ram_size) {
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strlcpy(bootargs, (char *)uboot_args[3], sizeof(bootargs));
|
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}
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||||
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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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boot_args = bootargs;
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parse_mi_bootargs(boot_args);
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||||
|
||||
/* we've a specific device_register routine */
|
||||
evbarm_device_register = cubie_device_register;
|
||||
|
||||
db_trap_callback = cubie_db_trap;
|
||||
|
||||
if (get_bootconf_option(boot_args, "console",
|
||||
BOOTOPT_TYPE_STRING, &ptr) && strncmp(ptr, "fb", 2) == 0) {
|
||||
use_fb_console = true;
|
||||
}
|
||||
|
||||
return initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE, NULL, 0);
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
init_clocks(void)
|
||||
{
|
||||
}
|
||||
|
||||
#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)) | CS8) /* 8N1 */
|
||||
#endif
|
||||
|
||||
static const bus_addr_t conaddr = CONADDR;
|
||||
static const int conspeed = CONSPEED;
|
||||
static const int conmode = CONMODE;
|
||||
#endif
|
||||
|
||||
void
|
||||
consinit(void)
|
||||
{
|
||||
#if NCOM > 0
|
||||
bus_space_handle_t bh;
|
||||
#endif
|
||||
static int consinit_called = 0;
|
||||
|
||||
if (consinit_called != 0)
|
||||
return;
|
||||
|
||||
consinit_called = 1;
|
||||
|
||||
cubie_putchar('e');
|
||||
|
||||
#if NCOM > 0
|
||||
if (bus_space_map(&awin_a4x_bs_tag, conaddr, AWIN_UART_SIZE, 0, &bh))
|
||||
panic("Serial console can not be mapped.");
|
||||
|
||||
if (comcnattach(&awin_a4x_bs_tag, conaddr, conspeed, AWIN_UART_FREQ,
|
||||
COM_TYPE_NORMAL, conmode))
|
||||
panic("Serial console can not be initialized.");
|
||||
|
||||
bus_space_unmap(&awin_a4x_bs_tag, bh, AWIN_UART_SIZE);
|
||||
#else
|
||||
#error only COM console is supported
|
||||
|
||||
#if NUKBD > 0
|
||||
ukbd_cnattach(); /* allow USB keyboard to become console */
|
||||
#endif
|
||||
#endif
|
||||
|
||||
cubie_putchar('f');
|
||||
cubie_putchar('g');
|
||||
}
|
||||
|
||||
void
|
||||
cubie_reset(void)
|
||||
{
|
||||
*(volatile uint32_t *)(AWIN_CORE_VBASE + AWIN_CPUCNF_OFFSET + AWIN_CPU0_RST_CTRL_REG) = AWIN_CPU_RESET;
|
||||
}
|
||||
|
||||
#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
|
||||
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)
|
||||
{
|
||||
static int kgdbsinit_called = 0;
|
||||
|
||||
if (kgdbsinit_called != 0)
|
||||
return;
|
||||
|
||||
kgdbsinit_called = 1;
|
||||
|
||||
bus_space_handle_t bh;
|
||||
if (bus_space_map(&awin_a4x_bs_tag, comkgdbaddr, OMAP_COM_SIZE, 0, &bh))
|
||||
panic("kgdb port can not be mapped.");
|
||||
|
||||
if (com_kgdb_attach(&awin_a4x_bs_tag, comkgdbaddr, comkgdbspeed,
|
||||
OMAP_COM_FREQ, COM_TYPE_NORMAL, comkgdbmode))
|
||||
panic("KGDB uart can not be initialized.");
|
||||
|
||||
bus_space_unmap(&awin_a4x_bs_tag, bh, OMAP_COM_SIZE);
|
||||
}
|
||||
#endif
|
||||
|
||||
void
|
||||
awin_cpu_clk(void)
|
||||
{
|
||||
struct cpu_info * const ci = curcpu();
|
||||
const vaddr_t ccu_base = AWIN_CORE_VBASE + AWIN_CCM_OFFSET;
|
||||
const uint32_t cpu0_cfg = *(const volatile uint32_t *)(ccu_base + AWIN_CPU_AHB_APB0_CFG_REG);
|
||||
const u_int cpu_clk_sel = __SHIFTIN(cpu0_cfg, AWIN_CPU_CLK_SRC_SEL);
|
||||
switch (cpu_clk_sel) {
|
||||
case AWIN_CPU_CLK_SRC_SEL_LOSC:
|
||||
ci->ci_data.cpu_cc_freq = 32768;
|
||||
break;
|
||||
case AWIN_CPU_CLK_SRC_SEL_OSC24M:
|
||||
ci->ci_data.cpu_cc_freq = 24000000;
|
||||
break;
|
||||
case AWIN_CPU_CLK_SRC_SEL_PLL1: {
|
||||
const uint32_t pll1_cfg = *(const volatile uint32_t *)(ccu_base + AWIN_PLL1_CFG_REG);
|
||||
u_int p = __SHIFTOUT(pll1_cfg, AWIN_PLL_CFG_OUT_EXP_DIVP);
|
||||
u_int n = __SHIFTOUT(pll1_cfg, AWIN_PLL_CFG_FACTOR_N);
|
||||
u_int k = __SHIFTOUT(pll1_cfg, AWIN_PLL_CFG_FACTOR_K) + 1;
|
||||
u_int m = __SHIFTOUT(pll1_cfg, AWIN_PLL_CFG_FACTOR_M) + 1;
|
||||
ci->ci_data.cpu_cc_freq = (24000000 * (n ? n : 1) * k / m) >> p;
|
||||
break;
|
||||
}
|
||||
case AWIN_CPU_CLK_SRC_SEL_200MHZ:
|
||||
ci->ci_data.cpu_cc_freq = 200000000;
|
||||
break;
|
||||
}
|
||||
|
||||
#if defined(CPU_CORTEXA7) && 0
|
||||
if ((armreg_pfr1_read() & ARM_PFR1_GTIMER_MASK) != 0) {
|
||||
cubie_putchar('0');
|
||||
uint32_t voffset = OMAP_L4_PERIPHERAL_VBASE - OMAP_L4_PERIPHERAL_BASE;
|
||||
uint32_t frac1_reg = OMAP5_PRM_FRAC_INCREMENTER_NUMERATOR;
|
||||
uint32_t frac2_reg = OMAP5_PRM_FRAC_INCREMENTER_DENUMERATOR_RELOAD;
|
||||
uint32_t frac1 = *(volatile uint32_t *)(frac1_reg + voffset);
|
||||
cubie_putchar('1');
|
||||
uint32_t frac2 = *(volatile uint32_t *)(frac2_reg + voffset);
|
||||
cubie_putchar('2');
|
||||
uint32_t numer = __SHIFTOUT(frac1, PRM_FRAC_INCR_NUM_SYS_MODE);
|
||||
uint32_t denom = __SHIFTOUT(frac2, PRM_FRAC_INCR_DENUM_DENOMINATOR);
|
||||
uint32_t freq = (uint64_t)awin_sys_clk * numer / denom;
|
||||
#if 1
|
||||
if (freq != OMAP5_GTIMER_FREQ) {
|
||||
static uint16_t numer_demon[8][2] = {
|
||||
{ 0, 0 }, /* not used */
|
||||
{ 26 * 64, 26 * 125 }, /* 12.0Mhz */
|
||||
{ 2 * 768, 2 * 1625 }, /* 13.0Mhz */
|
||||
{ 0, 0 }, /* 16.8Mhz (not used) */
|
||||
{ 130 * 8, 130 * 25 }, /* 19.2Mhz */
|
||||
{ 2 * 384, 2 * 1625 }, /* 26.0Mhz */
|
||||
{ 3 * 256, 3 * 1125 }, /* 27.0Mhz */
|
||||
{ 130 * 4, 130 * 25 }, /* 38.4Mhz */
|
||||
};
|
||||
if (numer_demon[clksel][0] != numer) {
|
||||
frac1 &= ~PRM_FRAC_INCR_NUM_SYS_MODE;
|
||||
frac1 |= numer_demon[clksel][0];
|
||||
}
|
||||
if (numer_demon[clksel][1] != denom) {
|
||||
frac2 &= ~PRM_FRAC_INCR_DENUM_DENOMINATOR;
|
||||
frac2 |= numer_demon[clksel][1];
|
||||
}
|
||||
*(volatile uint32_t *)(frac1_reg + voffset) = frac1;
|
||||
*(volatile uint32_t *)(frac2_reg + voffset) = frac2
|
||||
| PRM_FRAC_INCR_DENUM_RELOAD;
|
||||
freq = OMAP5_GTIMER_FREQ;
|
||||
}
|
||||
#endif
|
||||
cubie_putchar('3');
|
||||
#if 0
|
||||
if (gtimer_freq != freq) {
|
||||
armreg_cnt_frq_write(freq); // secure only
|
||||
}
|
||||
#endif
|
||||
omap5_cnt_frq = freq;
|
||||
cubie_putchar('4');
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
static psize_t
|
||||
awin_memprobe(void)
|
||||
{
|
||||
const uint32_t dcr = *(const volatile uint32_t *)(AWIN_CORE_VBASE + AWIN_DRAM_OFFSET + AWIN_DRAM_DCR_REG);
|
||||
|
||||
psize_t memsize = __SHIFTOUT(dcr, AWIN_DRAM_DCR_IO_WIDTH);
|
||||
memsize <<= __SHIFTOUT(dcr, AWIN_DRAM_DCR_CHIP_DENSITY) + 28 - 3;
|
||||
#ifdef VERBOSE_INIT_ARM
|
||||
printf("sdram_config = %#x, memsize = %uMB\n", dcr,
|
||||
(u_int)(memsize >> 20));
|
||||
#endif
|
||||
return memsize;
|
||||
}
|
||||
|
||||
void
|
||||
cubie_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")) {
|
||||
/*
|
||||
* 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 = &awin_bs_tag;
|
||||
return;
|
||||
}
|
||||
|
||||
#if defined(CPU_CORTEXA7) || defined(CPU_CORTEXA15)
|
||||
if (device_is_a(self, "armgtmr")) {
|
||||
/*
|
||||
* The frequency of the generic timer was figured out when
|
||||
* determined the cpu frequency.
|
||||
*/
|
||||
prop_dictionary_set_uint32(dict, "frequency", arm_cnt_frq);
|
||||
}
|
||||
#endif
|
||||
|
||||
if (device_is_a(self, "ehci")) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (device_is_a(self, "sdhc")) {
|
||||
#if 0
|
||||
prop_dictionary_set_uint32(dict, "clkmask", 0);
|
||||
prop_dictionary_set_bool(dict, "8bit", true);
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
|
||||
if (device_is_a(self, "com")) {
|
||||
if (use_fb_console)
|
||||
prop_dictionary_set_bool(dict, "is_console", false);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,195 @@
|
|||
/*
|
||||
* Machine dependent startup code for BEAGLEBOARD boards.
|
||||
* Based on omap_start.S
|
||||
*
|
||||
* Copyright (c) 2002, 2003 Genetec Corporation. All rights reserved.
|
||||
* Written by Hiroyuki Bessho for Genetec Corporation.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. The name of Genetec Corporation may not be used to endorse or
|
||||
* promote products derived from this software without specific prior
|
||||
* written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* Copyright (c) 2003
|
||||
* Ichiro FUKUHARA <ichiro@ichiro.org>.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
|
||||
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* Copyright (c) 2007 Microsoft
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Microsoft
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTERS BE LIABLE FOR ANY DIRECT,
|
||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include "opt_allwinner.h"
|
||||
#include "opt_com.h"
|
||||
#include "opt_cpuoptions.h"
|
||||
#include "opt_cputypes.h"
|
||||
#include "opt_multiprocessor.h"
|
||||
|
||||
#include <arm/asm.h>
|
||||
#include <arm/armreg.h>
|
||||
#include "assym.h"
|
||||
|
||||
#include <arm/allwinner/awin_reg.h>
|
||||
#include <evbarm/cubie/platform.h>
|
||||
|
||||
RCSID("$NetBSD: cubie_start.S,v 1.1 2013/09/03 18:01:33 matt Exp $")
|
||||
|
||||
#if defined(VERBOSE_INIT_ARM)
|
||||
#define XPUTC(n) mov r0, n; bl xputc
|
||||
#define COM_MULT 4
|
||||
#define XPUTC_COM 1
|
||||
#else
|
||||
#define XPUTC(n)
|
||||
#endif
|
||||
|
||||
#define INIT_MEMSIZE 128
|
||||
#define TEMP_L1_TABLE (AWIN_SDRAM_PBASE + INIT_MEMSIZE * 0x100000 - L1_TABLE_SIZE)
|
||||
|
||||
/*
|
||||
* Kernel start routine for BEAGLEBOARD boards.
|
||||
* At this point, this code has been loaded into SDRAM
|
||||
* and the MMU is off
|
||||
*/
|
||||
.section .start,"ax",%progbits
|
||||
|
||||
.global _C_LABEL(cubie_start)
|
||||
_C_LABEL(cubie_start):
|
||||
/* Move into supervisor mode and disable IRQs/FIQs. */
|
||||
cpsid if, #PSR_SVC32_MODE
|
||||
|
||||
/*
|
||||
* Save any arguments passed to us (do it PIC).
|
||||
*/
|
||||
movw r4, #:lower16:uboot_args-.LPIC0
|
||||
movt r4, #:upper16:uboot_args-.LPIC0
|
||||
add r4, r4, pc
|
||||
stmia r4, {r0-r3}
|
||||
.LPIC0:
|
||||
#ifdef CPU_CORTEXA9
|
||||
/*
|
||||
* Turn on the SCU if we are on a Cortex-A9
|
||||
*/
|
||||
bl a9_start
|
||||
XPUTC(#67)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Set up a preliminary mapping in the MMU to allow us to run
|
||||
* at KERNEL_BASE with caches on.
|
||||
*/
|
||||
movw r0, #:lower16:TEMP_L1_TABLE
|
||||
movt r0, #:upper16:TEMP_L1_TABLE
|
||||
adr r1, .Lmmu_init_table
|
||||
bl arm_boot_l1pt_init
|
||||
|
||||
XPUTC(#68)
|
||||
|
||||
/*
|
||||
* Turn on the MMU, Caches, etc.
|
||||
*/
|
||||
movw r0, #:lower16:TEMP_L1_TABLE
|
||||
movt r0, #:upper16:TEMP_L1_TABLE
|
||||
bl arm_cpuinit
|
||||
|
||||
XPUTC(#90)
|
||||
XPUTC(#13)
|
||||
XPUTC(#10)
|
||||
|
||||
/*
|
||||
* Jump to start in locore.S, which in turn will call initarm and main.
|
||||
*/
|
||||
movw ip, #:lower16:start
|
||||
movt ip, #:upper16:start
|
||||
bx ip /* Jump to start (flushes pipeline). */
|
||||
nop
|
||||
nop
|
||||
nop
|
||||
nop
|
||||
|
||||
/* NOTREACHED */
|
||||
|
||||
#include <arm/cortex/a9_mpsubr.S>
|
||||
|
||||
.Lmmu_init_table:
|
||||
/* Map KERNEL_BASE VA to SDRAM PA, write-back cacheable, shareable */
|
||||
MMU_INIT(KERNEL_BASE, AWIN_SDRAM_PBASE,
|
||||
(INIT_MEMSIZE * L1_S_SIZE + L1_S_SIZE - 1) / L1_S_SIZE,
|
||||
L1_S_PROTO | L1_S_APv7_KRW | L1_S_B | L1_S_C | L1_S_V6_S)
|
||||
|
||||
/* Map memory 1:1 VA to PA, write-back cacheable, shareable */
|
||||
MMU_INIT(AWIN_SDRAM_PBASE, AWIN_SDRAM_PBASE,
|
||||
(INIT_MEMSIZE * L1_S_SIZE + L1_S_SIZE - 1) / L1_S_SIZE,
|
||||
L1_S_PROTO | L1_S_APv7_KRW | L1_S_B | L1_S_C | L1_S_V6_S)
|
||||
|
||||
/* Map AWIN CORE (so console will work) */
|
||||
MMU_INIT(AWIN_CORE_VBASE, AWIN_CORE_PBASE,
|
||||
(AWIN_CORE_SIZE + L1_S_SIZE - 1) / L1_S_SIZE,
|
||||
L1_S_PROTO | L1_S_APv7_KRW)
|
||||
|
||||
/* end of table */
|
||||
MMU_INIT(0, 0, 0, 0)
|
||||
|
||||
END(_C_LABEL(cubie_start))
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
# $NetBSD: genassym.cf,v 1.1 2013/09/03 18:01:33 matt Exp $
|
||||
|
||||
#-
|
||||
# Copyright (c) 2013 The NetBSD Foundation, Inc.
|
||||
# All rights reserved.
|
||||
#
|
||||
# This code is derived from software contributed to The NetBSD Foundation
|
||||
# by Matt Thomas of 3am Software Foundry.
|
||||
#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
# modification, are permitted provided that the following conditions
|
||||
# are met:
|
||||
# 1. Redistributions of source code must retain the above copyright
|
||||
# notice, this list of conditions and the following disclaimer.
|
||||
# 2. Redistributions in binary form must reproduce the above copyright
|
||||
# notice, this list of conditions and the following disclaimer in the
|
||||
# documentation and/or other materials provided with the distribution.
|
||||
#
|
||||
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
# POSSIBILITY OF SUCH DAMAGE.
|
||||
#
|
||||
|
||||
include <dev/ic/ns16550reg.h>
|
||||
include <dev/ic/comreg.h>
|
||||
|
||||
define LSR_TXRDY LSR_TXRDY
|
||||
define LSR_TSRE LSR_TSRE
|
||||
define COM_DATA com_data
|
||||
define COM_LSR com_lsr
|
||||
|
|
@ -0,0 +1,52 @@
|
|||
/* $NetBSD: platform.h,v 1.1 2013/09/03 18:01:33 matt Exp $ */
|
||||
/*
|
||||
* Copyright (c) 2007 Microsoft
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Microsoft
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTERS BE LIABLE FOR ANY DIRECT,
|
||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifndef _EVBARM_CUBIE_PLATFORM_H
|
||||
#define _EVBARM_CUBIE_PLATFORM_H
|
||||
|
||||
#include <arm/allwinner/awin_reg.h>
|
||||
|
||||
/*
|
||||
* Memory may be mapped VA:PA starting at 0x80000000:0x40000000
|
||||
* Kernel VM space: 512MB at KERNEL_VM_BASE
|
||||
*/
|
||||
#define KERNEL_VM_BASE 0xc0000000
|
||||
#define KERNEL_VM_SIZE 0x20000000
|
||||
|
||||
/*
|
||||
* We devmap IO starting at KERNEL_VM_BASE + KERNEL_VM_SIZE
|
||||
*/
|
||||
#define AWIN_KERNEL_IO_VBASE (KERNEL_VM_BASE + KERNEL_VM_SIZE)
|
||||
#define AWIN_CORE_VBASE AWIN_KERNEL_IO_VBASE
|
||||
#define AWIN_SRAM_VBASE (AWIN_CORE_VBASE + AWIN_CORE_SIZE)
|
||||
#define AWIN_KERNEL_IO_VEND (AWIN_SRAM_VBASE + AWIN_SRAM_SIZE)
|
||||
#define CONADDR_VA ((CONADDR - AWIN_CORE_PBASE) + AWIN_CORE_VBASE)
|
||||
|
||||
#endif /* _EVBARM_CUBIE_PLATFORM_H */
|
||||
Loading…
Reference in New Issue