Date: Tue, 20 Jan 2009 22:42:37 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r187498 - projects/mips/sys/mips/alchemy Message-ID: <200901202242.n0KMgbmN059074@svn.freebsd.org>
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Author: imp Date: Tue Jan 20 22:42:37 2009 New Revision: 187498 URL: http://svn.freebsd.org/changeset/base/187498 Log: First milestone on Alchemy port: Simplest kernel now compiles. Added: projects/mips/sys/mips/alchemy/ projects/mips/sys/mips/alchemy/alchemy_machdep.c (contents, props changed) projects/mips/sys/mips/alchemy/files.alchemy projects/mips/sys/mips/alchemy/std.alchemy projects/mips/sys/mips/alchemy/uart_bus_alchemy.c (contents, props changed) projects/mips/sys/mips/alchemy/uart_cpu_alchemy.c (contents, props changed) Added: projects/mips/sys/mips/alchemy/alchemy_machdep.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/mips/sys/mips/alchemy/alchemy_machdep.c Tue Jan 20 22:42:37 2009 (r187498) @@ -0,0 +1,157 @@ +/*- + * Copyright (C) 2007 by Oleksandr Tymoshenko. 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 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 HIS RELATIVES 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 MIND, 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "opt_ddb.h" + +#include <sys/param.h> +#include <sys/conf.h> +#include <sys/kernel.h> +#include <sys/systm.h> +#include <sys/imgact.h> +#include <sys/bio.h> +#include <sys/buf.h> +#include <sys/bus.h> +#include <sys/cpu.h> +#include <sys/cons.h> +#include <sys/exec.h> +#include <sys/ucontext.h> +#include <sys/proc.h> +#include <sys/kdb.h> +#include <sys/ptrace.h> +#include <sys/reboot.h> +#include <sys/signalvar.h> +#include <sys/sysent.h> +#include <sys/sysproto.h> +#include <sys/user.h> + +#include <vm/vm.h> +#include <vm/vm_object.h> +#include <vm/vm_page.h> +#include <vm/vm_pager.h> + +#include <machine/cache.h> +#include <machine/clock.h> +#include <machine/cpu.h> +#include <machine/cpuinfo.h> +#include <machine/cpufunc.h> +#include <machine/cpuregs.h> +#include <machine/hwfunc.h> +#include <machine/intr_machdep.h> +#include <machine/locore.h> +#include <machine/md_var.h> +#include <machine/pte.h> +#include <machine/sigframe.h> +#include <machine/trap.h> +#include <machine/vmparam.h> + +extern int *edata; +extern int *end; + +static void +mips_init(void) +{ + int i; + + printf("entry: mips_init()\n"); + + bootverbose = 1; + realmem = btoc(16 << 20); + + for (i = 0; i < 10; i++) { + phys_avail[i] = 0; + } + + /* phys_avail regions are in bytes */ + phys_avail[0] = MIPS_KSEG0_TO_PHYS((vm_offset_t)&end); + phys_avail[1] = ctob(realmem); + + physmem = realmem; + + init_param1(); + init_param2(physmem); + mips_cpu_init(); + pmap_bootstrap(); + mips_proc0_init(); + mutex_init(); +#ifdef DDB + kdb_init(); +#endif +} + +void +platform_halt(void) +{ + +} + + +void +platform_identify(void) +{ + +} + +void +platform_reset(void) +{ + + __asm __volatile("li $25, 0xbfc00000"); + __asm __volatile("j $25"); +} + +void +platform_trap_enter(void) +{ + +} + +void +platform_trap_exit(void) +{ + +} + +void +platform_start(__register_t a0 __unused, __register_t a1 __unused, + __register_t a2 __unused, __register_t a3 __unused) +{ + vm_offset_t kernend; + uint64_t platform_counter_freq = 175 * 1000 * 1000; + + /* clear the BSS and SBSS segments */ + kernend = round_page((vm_offset_t)&end); + memset(&edata, 0, kernend - (vm_offset_t)(&edata)); + + cninit(); + mips_init(); + /* Set counter_freq for tick_init_params() */ + platform_counter_freq = 175 * 1000 * 1000; + + mips_timer_init_params(platform_counter_freq, 0); +} Added: projects/mips/sys/mips/alchemy/files.alchemy ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/mips/sys/mips/alchemy/files.alchemy Tue Jan 20 22:42:37 2009 (r187498) @@ -0,0 +1,7 @@ +# $FreeBSD$ +# Alchmy on-board devices +# mips/alchemy/console.c standard +mips/alchemy/alchemy_machdep.c standard +mips/alchemy/obio.c standard +mips/alchemy/uart_bus_alchemy.c optional uart +mips/alchemy/uart_cpu_alchemy.c optional uart Added: projects/mips/sys/mips/alchemy/std.alchemy ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/mips/sys/mips/alchemy/std.alchemy Tue Jan 20 22:42:37 2009 (r187498) @@ -0,0 +1,10 @@ +# $FreeBSD$ +# Standard include file for Alchemy Au1xxx CPUs: +# Au1000, Au1200, Au1250, Au1500 and Au1550 + +files "../alchemy/files.alchemy" + +cpu CPU_MIPS4KC +options ISA_MIPS32 + +device uart Added: projects/mips/sys/mips/alchemy/uart_bus_alchemy.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/mips/sys/mips/alchemy/uart_bus_alchemy.c Tue Jan 20 22:42:37 2009 (r187498) @@ -0,0 +1,87 @@ +/*- + * Copyright (c) 2007 Bruce M. Simpson. + * 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 THE AUTHOR 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 AUTHOR 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 + * $Id$ + */ +/* + * Skeleton of this file was based on respective code for ARM + * code written by Olivier Houchard. + */ + +#include "opt_uart.h" + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/conf.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <machine/bus.h> +#include <sys/rman.h> +#include <machine/resource.h> + +#include <dev/pci/pcivar.h> + +#include <dev/uart/uart.h> +#include <dev/uart/uart_bus.h> +#include <dev/uart/uart_cpu.h> + +#include <mips/alchemy/aureg.h> + +#include "uart_if.h" + +static int uart_alchemy_probe(device_t dev); + +static device_method_t uart_alchemy_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, uart_alchemy_probe), + DEVMETHOD(device_attach, uart_bus_attach), + DEVMETHOD(device_detach, uart_bus_detach), + { 0, 0 } +}; + +static driver_t uart_alchemy_driver = { + uart_driver_name, + uart_alchemy_methods, + sizeof(struct uart_softc), +}; + +extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs; + +static int +uart_alchemy_probe(device_t dev) +{ + struct uart_softc *sc; + + sc = device_get_softc(dev); + sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs); + sc->sc_class = &uart_ns8250_class; + bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas)); + + return (uart_bus_probe(dev, 0, 0, 0, 0)); +} + +DRIVER_MODULE(uart, obio, uart_alchemy_driver, uart_devclass, 0, 0); Added: projects/mips/sys/mips/alchemy/uart_cpu_alchemy.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/mips/sys/mips/alchemy/uart_cpu_alchemy.c Tue Jan 20 22:42:37 2009 (r187498) @@ -0,0 +1,79 @@ +/*- + * Copyright (c) 2006 Wojciech A. Koszek <wkoszek@FreeBSD.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 THE AUTHOR 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 AUTHOR 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. + * + * $Id$ + */ +/* + * Skeleton of this file was based on respective code for ARM + * code written by Olivier Houchard. + */ + +#include "opt_uart.h" + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/cons.h> + +#include <machine/bus.h> + +#include <dev/uart/uart.h> +#include <dev/uart/uart_cpu.h> + +#include <mips/alchemy/aureg.h> + +bus_space_tag_t uart_bus_space_io; +bus_space_tag_t uart_bus_space_mem; + +int +uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) +{ + + return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0); +} + +int +uart_cpu_getdev(int devtype, struct uart_devinfo *di) +{ + + di->ops = uart_getops(&uart_ns8250_class); + di->bas.chan = 0; + di->bas.bst = 0; + di->bas.regshft = 0; + di->bas.rclk = 0; + di->baudrate = 115200; + di->databits = 8; + di->stopbits = 1; + di->parity = UART_PARITY_NONE; + + uart_bus_space_io = 0; + uart_bus_space_mem = MIPS_PHYS_TO_KSEG1(UART0_BASE); + di->bas.bsh = MIPS_PHYS_TO_KSEG1(UART0_BASE); + + return (0); +}
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