1239281Sgonzo/*- 2239281Sgonzo * Copyright (c) 1994-1998 Mark Brinicombe. 3239281Sgonzo * Copyright (c) 1994 Brini. 4239281Sgonzo * All rights reserved. 5239281Sgonzo * 6239281Sgonzo * This code is derived from software written for Brini by Mark Brinicombe 7239281Sgonzo * 8239281Sgonzo * Redistribution and use in source and binary forms, with or without 9239281Sgonzo * modification, are permitted provided that the following conditions 10239281Sgonzo * are met: 11239281Sgonzo * 1. Redistributions of source code must retain the above copyright 12239281Sgonzo * notice, this list of conditions and the following disclaimer. 13239281Sgonzo * 2. Redistributions in binary form must reproduce the above copyright 14239281Sgonzo * notice, this list of conditions and the following disclaimer in the 15239281Sgonzo * documentation and/or other materials provided with the distribution. 16239281Sgonzo * 3. All advertising materials mentioning features or use of this software 17239281Sgonzo * must display the following acknowledgement: 18239281Sgonzo * This product includes software developed by Brini. 19239281Sgonzo * 4. The name of the company nor the name of the author may be used to 20239281Sgonzo * endorse or promote products derived from this software without specific 21239281Sgonzo * prior written permission. 22239281Sgonzo * 23239281Sgonzo * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED 24239281Sgonzo * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 25239281Sgonzo * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26239281Sgonzo * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 27239281Sgonzo * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28239281Sgonzo * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29239281Sgonzo * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30239281Sgonzo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31239281Sgonzo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32239281Sgonzo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33239281Sgonzo * SUCH DAMAGE. 34239281Sgonzo * 35239281Sgonzo * from: FreeBSD: //depot/projects/arm/src/sys/arm/at91/kb920x_machdep.c, rev 45 36239281Sgonzo */ 37239281Sgonzo 38239281Sgonzo#include "opt_platform.h" 39239281Sgonzo 40239281Sgonzo#include <sys/cdefs.h> 41239281Sgonzo__FBSDID("$FreeBSD: stable/11/sys/arm/ti/ti_machdep.c 331907 2018-04-03 06:06:39Z gonzo $"); 42239281Sgonzo 43239281Sgonzo#include <sys/param.h> 44239281Sgonzo#include <sys/systm.h> 45239281Sgonzo#include <sys/bus.h> 46298627Sbr#include <sys/devmap.h> 47239281Sgonzo 48239281Sgonzo#include <vm/vm.h> 49239281Sgonzo#include <vm/pmap.h> 50242531Sandrew 51242531Sandrew#include <machine/bus.h> 52242531Sandrew#include <machine/machdep.h> 53266334Sandrew#include <machine/platformvar.h> 54239281Sgonzo 55239281Sgonzo#include <arm/ti/omap4/omap4_reg.h> 56239281Sgonzo 57266334Sandrew#include "platform_if.h" 58266334Sandrew 59260292Sianvoid (*ti_cpu_reset)(void) = NULL; 60239281Sgonzo 61266334Sandrewstatic vm_offset_t 62266334Sandrewti_lastaddr(platform_t plat) 63240846Sandrew{ 64240846Sandrew 65298627Sbr return (devmap_lastaddr()); 66240846Sandrew} 67240846Sandrew 68239281Sgonzo/* 69260292Sian * Construct static devmap entries to map out the most frequently used 70260292Sian * peripherals using 1mb section mappings. 71239281Sgonzo */ 72266334Sandrew#if defined(SOC_OMAP4) 73266334Sandrewstatic int 74266334Sandrewti_omap4_devmap_init(platform_t plat) 75239281Sgonzo{ 76298627Sbr devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */ 77298627Sbr devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_CFG devices */ 78266334Sandrew return (0); 79266334Sandrew} 80266334Sandrew#endif 81266334Sandrew 82266334Sandrew#if defined(SOC_TI_AM335X) 83266334Sandrewstatic int 84266334Sandrewti_am335x_devmap_init(platform_t plat) 85266334Sandrew{ 86266334Sandrew 87298627Sbr devmap_add_entry(0x44C00000, 0x00400000); /* 4mb L4_WKUP devices*/ 88298627Sbr devmap_add_entry(0x47400000, 0x00100000); /* 1mb USB */ 89298627Sbr devmap_add_entry(0x47800000, 0x00100000); /* 1mb mmchs2 */ 90298627Sbr devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */ 91298627Sbr devmap_add_entry(0x49000000, 0x00100000); /* 1mb edma3 */ 92298627Sbr devmap_add_entry(0x49800000, 0x00300000); /* 3mb edma3 */ 93298627Sbr devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_FAST devices*/ 94239281Sgonzo return (0); 95239281Sgonzo} 96266334Sandrew#endif 97239281Sgonzo 98331893Sgonzostatic void 99331893Sgonzoti_plat_cpu_reset(platform_t plat) 100239281Sgonzo{ 101239281Sgonzo if (ti_cpu_reset) 102239281Sgonzo (*ti_cpu_reset)(); 103239281Sgonzo else 104239281Sgonzo printf("no cpu_reset implementation\n"); 105239281Sgonzo} 106266334Sandrew 107266334Sandrew#if defined(SOC_OMAP4) 108266334Sandrewstatic platform_method_t omap4_methods[] = { 109266334Sandrew PLATFORMMETHOD(platform_devmap_init, ti_omap4_devmap_init), 110266334Sandrew PLATFORMMETHOD(platform_lastaddr, ti_lastaddr), 111331893Sgonzo PLATFORMMETHOD(platform_cpu_reset, ti_plat_cpu_reset), 112266334Sandrew 113266334Sandrew PLATFORMMETHOD_END, 114266334Sandrew}; 115298854SandrewFDT_PLATFORM_DEF(omap4, "omap4", 0, "ti,omap4430", 0); 116266334Sandrew#endif 117266334Sandrew 118266334Sandrew#if defined(SOC_TI_AM335X) 119266334Sandrewstatic platform_method_t am335x_methods[] = { 120266334Sandrew PLATFORMMETHOD(platform_devmap_init, ti_am335x_devmap_init), 121266334Sandrew PLATFORMMETHOD(platform_lastaddr, ti_lastaddr), 122331893Sgonzo PLATFORMMETHOD(platform_cpu_reset, ti_plat_cpu_reset), 123266334Sandrew 124266334Sandrew PLATFORMMETHOD_END, 125266334Sandrew}; 126266334Sandrew 127331907SgonzoFDT_PLATFORM_DEF(am335x, "am335x", 0, "ti,am33xx", 200); 128266334Sandrew#endif 129