1/* $NetBSD: armadillo9_com.c,v 1.7 2023/12/20 13:55:17 thorpej Exp $ */ 2/* 3 * Copyright (c) 2002 4 * Ichiro FUKUHARA <ichiro@ichiro.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 ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR 20 * 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#include <sys/cdefs.h> 30__KERNEL_RCSID(0, "$NetBSD: armadillo9_com.c,v 1.7 2023/12/20 13:55:17 thorpej Exp $"); 31 32/* Front-end of epcom */ 33 34#include <sys/types.h> 35#include <sys/device.h> 36#include <sys/systm.h> 37#include <sys/param.h> 38 39#include <sys/termios.h> 40 41#include <machine/intr.h> 42#include <sys/bus.h> 43 44#include <arm/ep93xx/epcomreg.h> 45#include <arm/ep93xx/epcomvar.h> 46#include <arm/ep93xx/ep93xxreg.h> 47#include <arm/ep93xx/ep93xxvar.h> 48#include <arm/ep93xx/epsocvar.h> 49#include "epled.h" 50#if NEPLED > 0 51#include <arm/ep93xx/epledvar.h> 52#endif 53#include <evbarm/armadillo/armadillo9var.h> 54 55static int armadillo9com_match(device_t, cfdata_t, void *); 56static void armadillo9com_attach(device_t, device_t, void *); 57static int armadillo9com_intr(void *); 58 59CFATTACH_DECL_NEW(armadillo9com, sizeof(struct epcom_softc), 60 armadillo9com_match, armadillo9com_attach, NULL, NULL); 61 62static int 63armadillo9com_match(device_t parent, cfdata_t match, void *aux) 64{ 65 if (strcmp(match->cf_name, "epcom") == 0) 66 return 1; 67 return 0; 68} 69 70static void 71armadillo9com_attach(device_t parent, device_t self, void *aux) 72{ 73 struct epcom_softc *sc = device_private(self); 74 struct epsoc_attach_args *sa = aux; 75 uint32_t pwrcnt; 76 bus_space_handle_t ioh; 77 78 sc->sc_dev = self; 79 sc->sc_iot = sa->sa_iot; 80 sc->sc_hwbase = sa->sa_addr; 81 82 printf("\n"); 83 84 bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0, &sc->sc_ioh); 85 86 bus_space_map(sa->sa_iot, EP93XX_APB_HWBASE + EP93XX_APB_SYSCON, 87 EP93XX_APB_SYSCON_SIZE, 0, &ioh); 88 pwrcnt = bus_space_read_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt); 89 pwrcnt &= ~(PwrCnt_UARTBAUD); 90 bus_space_write_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt, pwrcnt); 91 bus_space_unmap(sa->sa_iot, ioh, EP93XX_APB_SYSCON_SIZE); 92 93 epcom_attach_subr(sc); 94 ep93xx_intr_establish(sa->sa_intr, IPL_SERIAL, armadillo9com_intr, sc); 95#if NEPLED > 0 96 if (armadillo_model->devcfg == DEVCFG_ARMADILLO210) 97 epled_red_off(); 98#endif 99} 100 101static int 102armadillo9com_intr(void *arg) 103{ 104 int n; 105 106#if NEPLED > 0 107 if (armadillo_model->devcfg == DEVCFG_ARMADILLO210) 108 epled_red_on(); 109#endif 110 n = epcomintr(arg); 111#if NEPLED > 0 112 if (armadillo_model->devcfg == DEVCFG_ARMADILLO210) 113 epled_red_off(); 114#endif 115 return n; 116} 117