/* $NetBSD: tx39biu.c,v 1.15 2012/10/27 17:17:54 chs Exp $ */ /*- * Copyright (c) 1999-2002 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by UCHIYAMA Yasushi. * * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ #include __KERNEL_RCSID(0, "$NetBSD: tx39biu.c,v 1.15 2012/10/27 17:17:54 chs Exp $"); #include "opt_tx39_watchdogtimer.h" #include "opt_tx39biu_debug.h" #include #include #include #include #include #include #include #include #ifdef TX39BIU_DEBUG #define DPRINTF_ENABLE #define DPRINTF_DEBUG tx39biu_debug #endif #define ISSETPRINT(r, s, m) dbg_bitmask_print((u_int32_t)(r), \ TX39_MEMCONFIG ## s ## _ ##m, #m) int tx39biu_match(device_t, cfdata_t, void *); void tx39biu_attach(device_t, device_t, void *); void tx39biu_callback(device_t); int tx39biu_print(void *, const char *); int tx39biu_intr(void *); static void *__sc; /* XXX */ #ifdef TX39BIU_DEBUG void tx39biu_dump(tx_chipset_tag_t); #endif struct tx39biu_softc { tx_chipset_tag_t sc_tc; }; CFATTACH_DECL_NEW(tx39biu, sizeof(struct tx39biu_softc), tx39biu_match, tx39biu_attach, NULL, NULL); int tx39biu_match(device_t parent, cfdata_t cf, void *aux) { return (ATTACH_NORMAL); } void tx39biu_attach(device_t parent, device_t self, void *aux) { struct txsim_attach_args *ta = aux; struct tx39biu_softc *sc = device_private(self); tx_chipset_tag_t tc; #ifdef TX39_WATCHDOGTIMER txreg_t reg; #endif sc->sc_tc = tc = ta->ta_tc; printf("\n"); #ifdef TX39BIU_DEBUG tx39biu_dump(tc); #endif #ifdef TX39_WATCHDOGTIMER /* * CLRWRBUSERRINT Bus error connected CPU HwInt0 */ reg = tx_conf_read(tc, TX39_MEMCONFIG4_REG); reg |= TX39_MEMCONFIG4_ENWATCH; reg = TX39_MEMCONFIG4_WATCHTIMEVAL_SET(reg, 0xf); tx_conf_write(tc, TX39_MEMCONFIG4_REG, reg); reg = tx_conf_read(tc, TX39_MEMCONFIG4_REG); if (reg & TX39_MEMCONFIG4_ENWATCH) { int i; i = TX39_MEMCONFIG4_WATCHTIMEVAL(reg); i = (1000 * (i + 1) * 64) / 36864; printf("WatchDogTimerRate: %dus\n", i); } #endif __sc = sc; /* Clear watch dog timer interrupt */ tx39biu_intr(sc); /* * Chip select virtual bridge */ config_defer(self, tx39biu_callback); } void tx39biu_callback(device_t self) { struct tx39biu_softc *sc = device_private(self); struct csbus_attach_args cba; cba.cba_busname = "txcsbus"; cba.cba_tc = sc->sc_tc; config_found(self, &cba, tx39biu_print); } int tx39biu_print(void *aux, const char *pnp) { return (pnp ? QUIET : UNCONF); } int tx39biu_intr(void *arg) { struct tx39biu_softc *sc = __sc; tx_chipset_tag_t tc; txreg_t reg; if (!sc) { return (0); } tc = sc->sc_tc; /* Clear interrupt */ reg = tx_conf_read(tc, TX39_MEMCONFIG4_REG); reg |= TX39_MEMCONFIG4_CLRWRBUSERRINT; tx_conf_write(tc, TX39_MEMCONFIG4_REG, reg); reg = tx_conf_read(tc, TX39_MEMCONFIG4_REG); reg &= ~TX39_MEMCONFIG4_CLRWRBUSERRINT; tx_conf_write(tc, TX39_MEMCONFIG4_REG, reg); return (0); } #ifdef TX39BIU_DEBUG void tx39biu_dump(tc) tx_chipset_tag_t tc; { char *rowsel[] = {"18,17:9", "22,18,20,19,17:9", "20,22,21,19,17:9", "22,23,21,19,17:9"}; char *colsel[] = {"22,20,18,8:1", "19,18,8:2", "21,20,18,8:2", "23,22,20,18,8:2", "24,22,20,18,8:2", "18,p,X,8:0","22,p,X,21,8:0", "18,p,X,21,8:1", "22,p,X,23,21,8:1", "24,23,21,8:2"}; txreg_t reg; int i; /* * Memory config 0 register */ reg = tx_conf_read(tc, TX39_MEMCONFIG0_REG); printf(" config0:"); ISSETPRINT(reg, 0, ENDCLKOUTTRI); ISSETPRINT(reg, 0, DISDQMINIT); ISSETPRINT(reg, 0, ENSDRAMPD); ISSETPRINT(reg, 0, SHOWDINO); ISSETPRINT(reg, 0, ENRMAP2); ISSETPRINT(reg, 0, ENRMAP1); ISSETPRINT(reg, 0, ENWRINPAGE); ISSETPRINT(reg, 0, ENCS3USER); ISSETPRINT(reg, 0, ENCS2USER); ISSETPRINT(reg, 0, ENCS1USER); ISSETPRINT(reg, 0, ENCS1DRAM); ISSETPRINT(reg, 0, CS3SIZE); ISSETPRINT(reg, 0, CS2SIZE); ISSETPRINT(reg, 0, CS1SIZE); ISSETPRINT(reg, 0, CS0SIZE); printf("\n"); for (i = 0; i < 2; i++) { int r, c; printf(" BANK%d: ", i); switch (i ? TX39_MEMCONFIG0_BANK1CONF(reg) : TX39_MEMCONFIG0_BANK0CONF(reg)) { case TX39_MEMCONFIG0_BANKCONF_16BITSDRAM: printf("16bit SDRAM"); break; case TX39_MEMCONFIG0_BANKCONF_8BITSDRAM: printf("8bit SDRAM"); break; case TX39_MEMCONFIG0_BANKCONF_32BITSDHDRAM: printf("32bit DRAM/HDRAM"); break; case TX39_MEMCONFIG0_BANKCONF_16BITSDHDRAM: printf("16bit DRAM/HDRAM"); break; } if (i == 1) { r = TX39_MEMCONFIG0_ROWSEL1(reg); c = TX39_MEMCONFIG0_COLSEL1(reg); } else { r = TX39_MEMCONFIG0_ROWSEL0(reg); c = TX39_MEMCONFIG0_COLSEL0(reg); } printf(" ROW %s COL %s\n", rowsel[r], colsel[c]); } /* * Memory config 3 register */ printf(" config3:"); reg = tx_conf_read(tc, TX39_MEMCONFIG3_REG); #ifdef TX391X ISSETPRINT(reg, 3, ENMCS3PAGE); ISSETPRINT(reg, 3, ENMCS2PAGE); ISSETPRINT(reg, 3, ENMCS1PAGE); ISSETPRINT(reg, 3, ENMCS0PAGE); #endif /* TX391X */ ISSETPRINT(reg, 3, ENCS3PAGE); ISSETPRINT(reg, 3, ENCS2PAGE); ISSETPRINT(reg, 3, ENCS1PAGE); ISSETPRINT(reg, 3, ENCS0PAGE); ISSETPRINT(reg, 3, CARD2WAITEN); ISSETPRINT(reg, 3, CARD1WAITEN); ISSETPRINT(reg, 3, CARD2IOEN); ISSETPRINT(reg, 3, CARD1IOEN); #ifdef TX391X ISSETPRINT(reg, 3, PORT8SEL); #endif /* TX391X */ #ifdef TX392X ISSETPRINT(reg, 3, CARD2_8SEL); ISSETPRINT(reg, 3, CARD1_8SEL); #endif /* TX392X */ printf("\n"); /* * Memory config 4 register */ reg = tx_conf_read(tc, TX39_MEMCONFIG4_REG); printf(" config4:"); ISSETPRINT(reg, 4, ENBANK1HDRAM); ISSETPRINT(reg, 4, ENBANK0HDRAM); ISSETPRINT(reg, 4, ENARB); ISSETPRINT(reg, 4, DISSNOOP); ISSETPRINT(reg, 4, CLRWRBUSERRINT); ISSETPRINT(reg, 4, ENBANK1OPT); ISSETPRINT(reg, 4, ENBANK0OPT); ISSETPRINT(reg, 4, ENWATCH); ISSETPRINT(reg, 4, MEMPOWERDOWN); ISSETPRINT(reg, 4, ENRFSH1); ISSETPRINT(reg, 4, ENRFSH0); if (reg & TX39_MEMCONFIG4_ENWATCH) { i = TX39_MEMCONFIG4_WATCHTIMEVAL(reg); i = (1000 * (i + 1) * 64) / 36864; printf("WatchDogTimerRate: %dus", i); } printf("\n"); } #endif /* TX39BIU_DEBUG */