1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2013 Ian Lepore <ian@freebsd.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef IMX_MACHDEP_H 30 #define IMX_MACHDEP_H 31 32 #include <sys/types.h> 33 #include <sys/sysctl.h> 34 35 SYSCTL_DECL(_hw_imx); 36 37 /* Common functions, implemented in imx_machdep.c. */ 38 39 void imx_wdog_cpu_reset(vm_offset_t _wdcr_phys) __attribute__((__noreturn__)); 40 void imx_wdog_init_last_reset(vm_offset_t _wdsr_phys); 41 42 /* From here down, routines are implemented in imxNN_machdep.c. */ 43 44 /* 45 * SoC identity. 46 * According to the documentation, there is such a thing as an i.MX6 Dual 47 * (non-lite flavor). However, Freescale doesn't seem to have assigned it a 48 * number in their code for determining the SoC type in u-boot. 49 * 50 * To-do: put silicon revision numbers into the low-order bits somewhere. 51 */ 52 #define IMXSOC_51 0x51000000 53 #define IMXSOC_53 0x53000000 54 #define IMXSOC_6SL 0x60000000 55 #define IMXSOC_6DL 0x61000000 56 #define IMXSOC_6S 0x62000000 57 #define IMXSOC_6Q 0x63000000 58 #define IMXSOC_6UL 0x64000000 59 #define IMXSOC_FAMSHIFT 28 60 61 u_int imx_soc_type(void); 62 63 static inline u_int 64 imx_soc_family(void) 65 { 66 return (imx_soc_type() >> IMXSOC_FAMSHIFT); 67 } 68 69 #endif 70