diff options
Diffstat (limited to 'sys/arm/altera/socfpga/socfpga_machdep.c')
-rw-r--r-- | sys/arm/altera/socfpga/socfpga_machdep.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/sys/arm/altera/socfpga/socfpga_machdep.c b/sys/arm/altera/socfpga/socfpga_machdep.c new file mode 100644 index 0000000..b098663 --- /dev/null +++ b/sys/arm/altera/socfpga/socfpga_machdep.c @@ -0,0 +1,107 @@ +/*- + * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com> + * All rights reserved. + * + * This software was developed by SRI International and the University of + * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) + * ("CTSRD"), as part of the DARPA CRASH research programme. + * + * 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. + */ + +#include "opt_ddb.h" +#include "opt_platform.h" + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#define _ARM32_BUS_DMA_PRIVATE +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> + +#include <vm/vm.h> + +#include <machine/armreg.h> +#include <machine/bus.h> +#include <machine/devmap.h> +#include <machine/machdep.h> +#include <machine/platform.h> + +vm_offset_t +platform_lastaddr(void) +{ + + return (arm_devmap_lastaddr()); +} + +void +platform_probe_and_attach(void) +{ + +} + +void +platform_gpio_init(void) +{ + +} + +void +platform_late_init(void) +{ + +} + +int +platform_devmap_init(void) +{ + + /* UART */ + arm_devmap_add_entry(0xffc00000, 0x100000); + + /* + * USB OTG + * + * We use static device map for USB due to some bug in the Altera + * which throws Translation Fault (P) exception on high load. + * It might be caused due to some power save options being turned + * on or something else. + */ + arm_devmap_add_entry(0xffb00000, 0x100000); + + return (0); +} + +struct arm32_dma_range * +bus_dma_get_range(void) +{ + + return (NULL); +} + +int +bus_dma_get_range_nb(void) +{ + + return (0); +} |