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tsc.c revision 1.13.78.1
      1  1.13.78.1      yamt /* $NetBSD: tsc.c,v 1.13.78.1 2009/05/04 08:10:30 yamt Exp $ */
      2        1.1      ross 
      3        1.1      ross /*-
      4        1.1      ross  * Copyright (c) 1999 by Ross Harvey.  All rights reserved.
      5        1.1      ross  *
      6        1.1      ross  * Redistribution and use in source and binary forms, with or without
      7        1.1      ross  * modification, are permitted provided that the following conditions
      8        1.1      ross  * are met:
      9        1.1      ross  * 1. Redistributions of source code must retain the above copyright
     10        1.1      ross  *    notice, this list of conditions and the following disclaimer.
     11        1.1      ross  * 2. Redistributions in binary form must reproduce the above copyright
     12        1.1      ross  *    notice, this list of conditions and the following disclaimer in the
     13        1.1      ross  *    documentation and/or other materials provided with the distribution.
     14        1.1      ross  * 3. All advertising materials mentioning features or use of this software
     15        1.1      ross  *    must display the following acknowledgement:
     16        1.1      ross  *	This product includes software developed by Ross Harvey.
     17        1.1      ross  * 4. The name of Ross Harvey may not be used to endorse or promote products
     18        1.1      ross  *    derived from this software without specific prior written permission.
     19        1.1      ross  *
     20        1.1      ross  * THIS SOFTWARE IS PROVIDED BY ROSS HARVEY ``AS IS'' AND ANY EXPRESS
     21        1.1      ross  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     22        1.1      ross  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURP0SE
     23        1.1      ross  * ARE DISCLAIMED.  IN NO EVENT SHALL ROSS HARVEY BE LIABLE FOR ANY
     24        1.1      ross  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     25        1.1      ross  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     26        1.1      ross  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     27        1.1      ross  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     28        1.1      ross  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     29        1.1      ross  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     30        1.1      ross  * SUCH DAMAGE.
     31        1.1      ross  *
     32        1.1      ross  */
     33        1.1      ross 
     34        1.1      ross #include "opt_dec_6600.h"
     35        1.1      ross 
     36        1.1      ross #include <sys/cdefs.h>
     37        1.1      ross 
     38  1.13.78.1      yamt __KERNEL_RCSID(0, "$NetBSD: tsc.c,v 1.13.78.1 2009/05/04 08:10:30 yamt Exp $");
     39        1.1      ross 
     40        1.1      ross #include <sys/param.h>
     41        1.1      ross #include <sys/systm.h>
     42        1.1      ross #include <sys/device.h>
     43        1.1      ross #include <sys/malloc.h>
     44        1.1      ross 
     45        1.1      ross #include <machine/autoconf.h>
     46        1.1      ross #include <machine/rpb.h>
     47        1.3   thorpej #include <machine/sysarch.h>
     48        1.1      ross 
     49        1.1      ross #include <dev/isa/isareg.h>
     50        1.1      ross #include <dev/isa/isavar.h>
     51        1.1      ross #include <dev/pci/pcireg.h>
     52        1.1      ross #include <dev/pci/pcivar.h>
     53        1.1      ross #include <alpha/pci/tsreg.h>
     54        1.1      ross #include <alpha/pci/tsvar.h>
     55        1.1      ross 
     56        1.1      ross #ifdef DEC_6600
     57        1.1      ross #include <alpha/pci/pci_6600.h>
     58        1.1      ross #endif
     59        1.1      ross 
     60        1.1      ross #define tsc() { Generate ctags(1) key. }
     61        1.1      ross 
     62  1.13.78.1      yamt int	tscmatch(struct device *, struct cfdata *, void *);
     63  1.13.78.1      yamt void	tscattach(struct device *, struct device *, void *);
     64        1.1      ross 
     65        1.9   thorpej CFATTACH_DECL(tsc, sizeof(struct tsc_softc),
     66        1.9   thorpej     tscmatch, tscattach, NULL, NULL);
     67        1.1      ross 
     68        1.1      ross extern struct cfdriver tsc_cd;
     69        1.1      ross 
     70        1.1      ross struct tsp_config tsp_configuration[2];
     71        1.1      ross 
     72  1.13.78.1      yamt static int tscprint(void *, const char *pnp);
     73        1.1      ross 
     74  1.13.78.1      yamt int	tspmatch(struct device *, struct cfdata *, void *);
     75  1.13.78.1      yamt void	tspattach(struct device *, struct device *, void *);
     76        1.1      ross 
     77        1.9   thorpej CFATTACH_DECL(tsp, sizeof(struct tsp_softc),
     78        1.9   thorpej     tspmatch, tspattach, NULL, NULL);
     79        1.1      ross 
     80        1.1      ross extern struct cfdriver tsp_cd;
     81        1.1      ross 
     82  1.13.78.1      yamt static int tsp_bus_get_window(int, int,
     83  1.13.78.1      yamt 	struct alpha_bus_space_translation *);
     84        1.3   thorpej 
     85        1.1      ross /* There can be only one */
     86        1.3   thorpej static int tscfound;
     87        1.1      ross 
     88        1.3   thorpej /* Which hose is the display console connected to? */
     89        1.3   thorpej int tsp_console_hose;
     90        1.1      ross 
     91        1.1      ross int
     92  1.13.78.1      yamt tscmatch(struct device *parent, struct cfdata *match, void *aux)
     93        1.1      ross {
     94        1.1      ross 	struct mainbus_attach_args *ma = aux;
     95        1.1      ross 
     96        1.1      ross 	return cputype == ST_DEC_6600
     97        1.1      ross 	    && strcmp(ma->ma_name, tsc_cd.cd_name) == 0
     98        1.1      ross 	    && !tscfound;
     99        1.1      ross }
    100        1.1      ross 
    101        1.1      ross void tscattach(parent, self, aux)
    102        1.1      ross 	struct device *parent, *self;
    103        1.1      ross 	void *aux;
    104        1.1      ross {
    105        1.1      ross 	int i;
    106        1.1      ross 	int nbus;
    107        1.1      ross 	u_int64_t csc, aar;
    108        1.1      ross 	struct tsp_attach_args tsp;
    109        1.1      ross 	struct mainbus_attach_args *ma = aux;
    110        1.1      ross 
    111        1.1      ross 	tscfound = 1;
    112        1.1      ross 
    113        1.1      ross 	csc = LDQP(TS_C_CSC);
    114        1.1      ross 
    115        1.1      ross 	nbus = 1 + (CSC_BC(csc) >= 2);
    116        1.1      ross 	printf(": 21272 Core Logic Chipset, Cchip rev %d\n"
    117        1.1      ross 		"%s%d: %c Dchips, %d memory bus%s of %d bytes\n",
    118        1.1      ross 		(int)MISC_REV(LDQP(TS_C_MISC)),
    119        1.1      ross 		ma->ma_name, ma->ma_slot, "2448"[CSC_BC(csc)],
    120        1.1      ross 		nbus, nbus > 1 ? "es" : "", 16 + 16 * ((csc & CSC_AW) != 0));
    121        1.1      ross 	printf("%s%d: arrays present: ", ma->ma_name, ma->ma_slot);
    122        1.1      ross 	for(i = 0; i < 4; ++i) {
    123        1.1      ross 		aar = LDQP(TS_C_AAR0 + i * TS_STEP);
    124        1.1      ross 		printf("%s%dMB%s", i ? ", " : "", (8 << AAR_ASIZ(aar)) & ~0xf,
    125        1.1      ross 		    aar & AAR_SPLIT ? " (split)" : "");
    126        1.1      ross 	}
    127        1.1      ross 	printf(", Dchip 0 rev %d\n", (int)LDQP(TS_D_DREV) & 0xf);
    128        1.1      ross 
    129        1.6   thorpej 	memset(&tsp, 0, sizeof tsp);
    130        1.1      ross 	tsp.tsp_name = "tsp";
    131        1.1      ross 	config_found(self, &tsp, NULL);
    132        1.1      ross 
    133        1.1      ross 	if(LDQP(TS_C_CSC) & CSC_P1P) {
    134        1.1      ross 		++tsp.tsp_slot;
    135        1.1      ross 		config_found(self, &tsp, tscprint);
    136        1.1      ross 	}
    137        1.1      ross }
    138        1.1      ross 
    139        1.1      ross static int
    140  1.13.78.1      yamt tscprint(void *aux, const char *p)
    141        1.1      ross {
    142        1.1      ross 	register struct tsp_attach_args *tsp = aux;
    143        1.1      ross 
    144        1.1      ross 	if(p)
    145       1.10   thorpej 		aprint_normal("%s%d at %s", tsp->tsp_name, tsp->tsp_slot, p);
    146        1.1      ross 	return UNCONF;
    147        1.1      ross }
    148        1.1      ross 
    149        1.1      ross #define tsp() { Generate ctags(1) key. }
    150        1.1      ross 
    151        1.1      ross int
    152  1.13.78.1      yamt tspmatch(struct device *parent, struct cfdata *match, void *aux)
    153        1.1      ross {
    154        1.1      ross 	struct tsp_attach_args *t = aux;
    155        1.1      ross 
    156        1.1      ross 	return  cputype == ST_DEC_6600
    157        1.1      ross 	    && strcmp(t->tsp_name, tsp_cd.cd_name) == 0;
    158        1.1      ross }
    159        1.1      ross 
    160        1.3   thorpej void
    161  1.13.78.1      yamt tspattach(struct device *parent, struct device *self, void *aux)
    162        1.1      ross {
    163        1.1      ross 	struct pcibus_attach_args pba;
    164        1.1      ross 	struct tsp_attach_args *t = aux;
    165        1.1      ross 	struct tsp_config *pcp;
    166        1.1      ross 
    167        1.1      ross 	printf("\n");
    168        1.1      ross 	pcp = tsp_init(1, t->tsp_slot);
    169        1.5   thorpej 
    170        1.1      ross 	tsp_dma_init(pcp);
    171        1.5   thorpej 
    172        1.5   thorpej 	/*
    173        1.5   thorpej 	 * Do PCI memory initialization that needs to be deferred until
    174        1.5   thorpej 	 * malloc is safe.  On the Tsunami, we need to do this after
    175        1.5   thorpej 	 * DMA is initialized, as well.
    176        1.5   thorpej 	 */
    177        1.5   thorpej 	tsp_bus_mem_init2(&pcp->pc_memt, pcp);
    178        1.5   thorpej 
    179        1.1      ross 	pci_6600_pickintr(pcp);
    180        1.5   thorpej 
    181        1.1      ross 	pba.pba_iot = &pcp->pc_iot;
    182        1.1      ross 	pba.pba_memt = &pcp->pc_memt;
    183        1.1      ross 	pba.pba_dmat =
    184        1.1      ross 	    alphabus_dma_get_tag(&pcp->pc_dmat_direct, ALPHA_BUS_PCI);
    185       1.11      fvdl 	pba.pba_dmat64 = NULL;
    186        1.1      ross 	pba.pba_pc = &pcp->pc_pc;
    187        1.1      ross 	pba.pba_bus = 0;
    188        1.7   thorpej 	pba.pba_bridgetag = NULL;
    189        1.2   thorpej 	pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED |
    190        1.2   thorpej 	    PCI_FLAGS_MRL_OKAY | PCI_FLAGS_MRM_OKAY | PCI_FLAGS_MWI_OKAY;
    191       1.12  drochner 	config_found_ia(self, "pcibus", &pba, pcibusprint);
    192        1.1      ross }
    193        1.1      ross 
    194        1.1      ross struct tsp_config *
    195  1.13.78.1      yamt tsp_init(int mallocsafe, int n)
    196  1.13.78.1      yamt 	/* n:	 Pchip number */
    197        1.1      ross {
    198        1.1      ross 	struct tsp_config *pcp;
    199        1.1      ross 
    200        1.1      ross 	KASSERT((n | 1) == 1);
    201        1.1      ross 	pcp = &tsp_configuration[n];
    202        1.1      ross 	pcp->pc_pslot = n;
    203        1.1      ross 	pcp->pc_iobase = TS_Pn(n, 0);
    204        1.1      ross 	pcp->pc_csr = S_PAGE(TS_Pn(n, P_CSRBASE));
    205        1.1      ross 	if (!pcp->pc_initted) {
    206        1.1      ross 		tsp_bus_io_init(&pcp->pc_iot, pcp);
    207        1.1      ross 		tsp_bus_mem_init(&pcp->pc_memt, pcp);
    208        1.3   thorpej 
    209        1.3   thorpej 		alpha_bus_window_count[ALPHA_BUS_TYPE_PCI_IO] = 1;
    210        1.3   thorpej 		alpha_bus_window_count[ALPHA_BUS_TYPE_PCI_MEM] = 1;
    211        1.3   thorpej 
    212        1.3   thorpej 		alpha_bus_get_window = tsp_bus_get_window;
    213        1.1      ross 	}
    214        1.1      ross 	pcp->pc_mallocsafe = mallocsafe;
    215        1.1      ross 	tsp_pci_init(&pcp->pc_pc, pcp);
    216        1.1      ross 	pcp->pc_initted = 1;
    217        1.1      ross 	return pcp;
    218        1.1      ross }
    219        1.1      ross 
    220        1.1      ross static int
    221  1.13.78.1      yamt tsp_bus_get_window(int type, int window, struct alpha_bus_space_translation *abst)
    222        1.3   thorpej {
    223        1.3   thorpej 	struct tsp_config *tsp = &tsp_configuration[tsp_console_hose];
    224        1.3   thorpej 	bus_space_tag_t st;
    225        1.4   thorpej 	int error;
    226        1.3   thorpej 
    227        1.3   thorpej 	switch (type) {
    228        1.3   thorpej 	case ALPHA_BUS_TYPE_PCI_IO:
    229        1.3   thorpej 		st = &tsp->pc_iot;
    230        1.3   thorpej 		break;
    231        1.3   thorpej 
    232        1.3   thorpej 	case ALPHA_BUS_TYPE_PCI_MEM:
    233        1.3   thorpej 		st = &tsp->pc_memt;
    234        1.3   thorpej 		break;
    235        1.3   thorpej 
    236        1.3   thorpej 	default:
    237        1.3   thorpej 		panic("tsp_bus_get_window");
    238        1.3   thorpej 	}
    239        1.3   thorpej 
    240        1.4   thorpej 	error = alpha_bus_space_get_window(st, window, abst);
    241        1.4   thorpej 	if (error)
    242        1.4   thorpej 		return (error);
    243        1.4   thorpej 
    244        1.4   thorpej 	abst->abst_sys_start = TS_PHYSADDR(abst->abst_sys_start);
    245        1.4   thorpej 	abst->abst_sys_end = TS_PHYSADDR(abst->abst_sys_end);
    246        1.4   thorpej 
    247        1.4   thorpej 	return (0);
    248        1.1      ross }
    249