1 /*- 2 * Copyright (c) 2013 Thomas Skibo 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 /* 30 * Machine dependent code for Xilinx Zynq-7000 Soc. 31 * 32 * Reference: Zynq-7000 All Programmable SoC Technical Reference Manual. 33 * (v1.4) November 16, 2012. Xilinx doc UG585. 34 */ 35 36 #include "opt_platform.h" 37 38 #include <sys/cdefs.h> 39 __FBSDID("$FreeBSD$"); 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/bus.h> 44 #include <sys/devmap.h> 45 46 #include <vm/vm.h> 47 #include <vm/pmap.h> 48 49 #include <machine/bus.h> 50 #include <machine/machdep.h> 51 #include <machine/platform.h> 52 #include <machine/platformvar.h> 53 54 #include <arm/xilinx/zy7_mp.h> 55 #include <arm/xilinx/zy7_reg.h> 56 57 #include "platform_if.h" 58 59 void (*zynq7_cpu_reset)(void); 60 61 /* 62 * Set up static device mappings. Not strictly necessary -- simplebus will 63 * dynamically establish mappings as needed -- but doing it this way gets us 64 * nice efficient 1MB section mappings. 65 */ 66 static int 67 zynq7_devmap_init(platform_t plat) 68 { 69 70 devmap_add_entry(ZYNQ7_PSIO_HWBASE, ZYNQ7_PSIO_SIZE); 71 devmap_add_entry(ZYNQ7_PSCTL_HWBASE, ZYNQ7_PSCTL_SIZE); 72 73 return (0); 74 } 75 76 static void 77 zynq7_do_cpu_reset(platform_t plat) 78 { 79 if (zynq7_cpu_reset != NULL) 80 (*zynq7_cpu_reset)(); 81 82 printf("cpu_reset: no platform cpu_reset. hanging.\n"); 83 for (;;) 84 ; 85 } 86 87 static platform_method_t zynq7_methods[] = { 88 PLATFORMMETHOD(platform_devmap_init, zynq7_devmap_init), 89 PLATFORMMETHOD(platform_cpu_reset, zynq7_do_cpu_reset), 90 91 #ifdef SMP 92 PLATFORMMETHOD(platform_mp_setmaxid, zynq7_mp_setmaxid), 93 PLATFORMMETHOD(platform_mp_start_ap, zynq7_mp_start_ap), 94 #endif 95 96 PLATFORMMETHOD_END, 97 }; 98 99 FDT_PLATFORM_DEF(zynq7, "zynq7", 0, "xlnx,zynq-7000", 0); 100