diff options
Diffstat (limited to 'freebsd/sys/arm/freescale/imx/imx_machdep.h')
-rw-r--r-- | freebsd/sys/arm/freescale/imx/imx_machdep.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/freebsd/sys/arm/freescale/imx/imx_machdep.h b/freebsd/sys/arm/freescale/imx/imx_machdep.h new file mode 100644 index 00000000..07172464 --- /dev/null +++ b/freebsd/sys/arm/freescale/imx/imx_machdep.h @@ -0,0 +1,72 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2013 Ian Lepore <ian@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. + * + * $FreeBSD$ + */ + +#ifndef IMX_MACHDEP_H +#define IMX_MACHDEP_H + +#include <sys/types.h> +#include <sys/sysctl.h> + +SYSCTL_DECL(_hw_imx); + +/* Common functions, implemented in imx_machdep.c. */ + +void imx_wdog_cpu_reset(vm_offset_t _wdcr_phys) __attribute__((__noreturn__)); +void imx_wdog_init_last_reset(vm_offset_t _wdsr_phys); + +/* From here down, routines are implemented in imxNN_machdep.c. */ + +/* + * SoC identity. + * According to the documentation, there is such a thing as an i.MX6 Dual + * (non-lite flavor). However, Freescale doesn't seem to have assigned it a + * number in their code for determining the SoC type in u-boot. + * + * To-do: put silicon revision numbers into the low-order bits somewhere. + */ +#define IMXSOC_51 0x51000000 +#define IMXSOC_53 0x53000000 +#define IMXSOC_6SL 0x60000000 +#define IMXSOC_6DL 0x61000000 +#define IMXSOC_6S 0x62000000 +#define IMXSOC_6Q 0x63000000 +#define IMXSOC_6UL 0x64000000 +#define IMXSOC_FAMSHIFT 28 + +u_int imx_soc_type(void); + +static inline u_int +imx_soc_family(void) +{ + return (imx_soc_type() >> IMXSOC_FAMSHIFT); +} + +#endif + |