/* $NetBSD: tsc.c,v 1.6 2001/07/12 23:25:40 thorpej Exp $ */ /*- * Copyright (c) 1999 by Ross Harvey. All rights reserved. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Ross Harvey. * 4. The name of Ross Harvey may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY ROSS HARVEY ``AS IS'' AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURP0SE * ARE DISCLAIMED. IN NO EVENT SHALL ROSS HARVEY 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 "opt_dec_6600.h" #include __KERNEL_RCSID(0, "$NetBSD: tsc.c,v 1.6 2001/07/12 23:25:40 thorpej Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef DEC_6600 #include #endif #define tsc() { Generate ctags(1) key. } int tscmatch __P((struct device *, struct cfdata *, void *)); void tscattach __P((struct device *, struct device *, void *)); struct cfattach tsc_ca = { sizeof(struct tsc_softc), tscmatch, tscattach, }; extern struct cfdriver tsc_cd; struct tsp_config tsp_configuration[2]; static int tscprint __P((void *, const char *pnp)); int tspmatch __P((struct device *, struct cfdata *, void *)); void tspattach __P((struct device *, struct device *, void *)); struct cfattach tsp_ca = { sizeof(struct tsp_softc), tspmatch, tspattach, }; extern struct cfdriver tsp_cd; static int tspprint __P((void *, const char *pnp)); static int tsp_bus_get_window __P((int, int, struct alpha_bus_space_translation *)); /* There can be only one */ static int tscfound; /* Which hose is the display console connected to? */ int tsp_console_hose; int tscmatch(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct mainbus_attach_args *ma = aux; return cputype == ST_DEC_6600 && strcmp(ma->ma_name, tsc_cd.cd_name) == 0 && !tscfound; } void tscattach(parent, self, aux) struct device *parent, *self; void *aux; { int i; int nbus; u_int64_t csc, aar; struct tsp_attach_args tsp; struct mainbus_attach_args *ma = aux; tscfound = 1; csc = LDQP(TS_C_CSC); nbus = 1 + (CSC_BC(csc) >= 2); printf(": 21272 Core Logic Chipset, Cchip rev %d\n" "%s%d: %c Dchips, %d memory bus%s of %d bytes\n", (int)MISC_REV(LDQP(TS_C_MISC)), ma->ma_name, ma->ma_slot, "2448"[CSC_BC(csc)], nbus, nbus > 1 ? "es" : "", 16 + 16 * ((csc & CSC_AW) != 0)); printf("%s%d: arrays present: ", ma->ma_name, ma->ma_slot); for(i = 0; i < 4; ++i) { aar = LDQP(TS_C_AAR0 + i * TS_STEP); printf("%s%dMB%s", i ? ", " : "", (8 << AAR_ASIZ(aar)) & ~0xf, aar & AAR_SPLIT ? " (split)" : ""); } printf(", Dchip 0 rev %d\n", (int)LDQP(TS_D_DREV) & 0xf); memset(&tsp, 0, sizeof tsp); tsp.tsp_name = "tsp"; config_found(self, &tsp, NULL); if(LDQP(TS_C_CSC) & CSC_P1P) { ++tsp.tsp_slot; config_found(self, &tsp, tscprint); } } static int tscprint(aux, p) void *aux; const char *p; { register struct tsp_attach_args *tsp = aux; if(p) printf("%s%d at %s", tsp->tsp_name, tsp->tsp_slot, p); return UNCONF; } #define tsp() { Generate ctags(1) key. } int tspmatch(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct tsp_attach_args *t = aux; return cputype == ST_DEC_6600 && strcmp(t->tsp_name, tsp_cd.cd_name) == 0; } void tspattach(parent, self, aux) struct device *parent, *self; void *aux; { struct pcibus_attach_args pba; struct tsp_attach_args *t = aux; struct tsp_config *pcp; printf("\n"); pcp = tsp_init(1, t->tsp_slot); tsp_dma_init(pcp); /* * Do PCI memory initialization that needs to be deferred until * malloc is safe. On the Tsunami, we need to do this after * DMA is initialized, as well. */ tsp_bus_mem_init2(&pcp->pc_memt, pcp); pci_6600_pickintr(pcp); pba.pba_busname = "pci"; pba.pba_iot = &pcp->pc_iot; pba.pba_memt = &pcp->pc_memt; pba.pba_dmat = alphabus_dma_get_tag(&pcp->pc_dmat_direct, ALPHA_BUS_PCI); pba.pba_pc = &pcp->pc_pc; pba.pba_bus = 0; pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED | PCI_FLAGS_MRL_OKAY | PCI_FLAGS_MRM_OKAY | PCI_FLAGS_MWI_OKAY; config_found(self, &pba, tspprint); } struct tsp_config * tsp_init(mallocsafe, n) int mallocsafe; int n; /* Pchip number */ { struct tsp_config *pcp; KASSERT((n | 1) == 1); pcp = &tsp_configuration[n]; pcp->pc_pslot = n; pcp->pc_iobase = TS_Pn(n, 0); pcp->pc_csr = S_PAGE(TS_Pn(n, P_CSRBASE)); if (!pcp->pc_initted) { tsp_bus_io_init(&pcp->pc_iot, pcp); tsp_bus_mem_init(&pcp->pc_memt, pcp); alpha_bus_window_count[ALPHA_BUS_TYPE_PCI_IO] = 1; alpha_bus_window_count[ALPHA_BUS_TYPE_PCI_MEM] = 1; alpha_bus_get_window = tsp_bus_get_window; } pcp->pc_mallocsafe = mallocsafe; tsp_pci_init(&pcp->pc_pc, pcp); pcp->pc_initted = 1; return pcp; } static int tspprint(aux, p) void *aux; const char *p; { register struct pcibus_attach_args *pci = aux; if(p) printf("%s at %s", pci->pba_busname, p); printf(" bus %d", pci->pba_bus); return UNCONF; } static int tsp_bus_get_window(type, window, abst) int type, window; struct alpha_bus_space_translation *abst; { struct tsp_config *tsp = &tsp_configuration[tsp_console_hose]; bus_space_tag_t st; int error; switch (type) { case ALPHA_BUS_TYPE_PCI_IO: st = &tsp->pc_iot; break; case ALPHA_BUS_TYPE_PCI_MEM: st = &tsp->pc_memt; break; default: panic("tsp_bus_get_window"); } error = alpha_bus_space_get_window(st, window, abst); if (error) return (error); abst->abst_sys_start = TS_PHYSADDR(abst->abst_sys_start); abst->abst_sys_end = TS_PHYSADDR(abst->abst_sys_end); return (0); }