diff options
Diffstat (limited to 'sys/arm/xilinx/zy7_machdep.c')
-rw-r--r-- | sys/arm/xilinx/zy7_machdep.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/sys/arm/xilinx/zy7_machdep.c b/sys/arm/xilinx/zy7_machdep.c new file mode 100644 index 000000000000..723c3f3b2d73 --- /dev/null +++ b/sys/arm/xilinx/zy7_machdep.c @@ -0,0 +1,99 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2013 Thomas Skibo + * 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. + */ + +/* + * Machine dependent code for Xilinx Zynq-7000 Soc. + * + * Reference: Zynq-7000 All Programmable SoC Technical Reference Manual. + * (v1.4) November 16, 2012. Xilinx doc UG585. + */ + +#include "opt_platform.h" + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/devmap.h> + +#include <vm/vm.h> +#include <vm/pmap.h> + +#include <machine/bus.h> +#include <machine/machdep.h> +#include <machine/platform.h> +#include <machine/platformvar.h> + +#include <arm/xilinx/zy7_machdep.h> +#include <arm/xilinx/zy7_reg.h> + +#include "platform_if.h" +#include "platform_pl310_if.h" + +void (*zynq7_cpu_reset)(void); + +/* + * Set up static device mappings. Not strictly necessary -- simplebus will + * dynamically establish mappings as needed -- but doing it this way gets us + * nice efficient 1MB section mappings. + */ +static int +zynq7_devmap_init(platform_t plat) +{ + + devmap_add_entry(ZYNQ7_PSIO_HWBASE, ZYNQ7_PSIO_SIZE); + devmap_add_entry(ZYNQ7_PSCTL_HWBASE, ZYNQ7_PSCTL_SIZE); + + return (0); +} + +static void +zynq7_do_cpu_reset(platform_t plat) +{ + if (zynq7_cpu_reset != NULL) + (*zynq7_cpu_reset)(); + + printf("cpu_reset: no platform cpu_reset. hanging.\n"); + for (;;) + ; +} + +static platform_method_t zynq7_methods[] = { + PLATFORMMETHOD(platform_devmap_init, zynq7_devmap_init), + PLATFORMMETHOD(platform_cpu_reset, zynq7_do_cpu_reset), + +#ifdef SMP + PLATFORMMETHOD(platform_mp_setmaxid, zynq7_mp_setmaxid), + PLATFORMMETHOD(platform_mp_start_ap, zynq7_mp_start_ap), +#endif + + PLATFORMMETHOD(platform_pl310_init, zynq7_pl310_init), + + PLATFORMMETHOD_END, +}; + +FDT_PLATFORM_DEF(zynq7, "zynq7", 0, "xlnx,zynq-7000", 200); |