62 static int aic7770_chip_init(struct ahc_softc *ahc);
63 static int aha2840_load_seeprom(struct ahc_softc *ahc);
125 aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io)  in aic7770_config()  argument
133 	error = entry->setup(ahc);  in aic7770_config()
138 	error = aic7770_map_registers(ahc, io);  in aic7770_config()
148 	ahc_intr_enable(ahc, FALSE);  in aic7770_config()
150 	ahc->description = entry->name;  in aic7770_config()
151 	error = ahc_softc_init(ahc);  in aic7770_config()
155 	ahc->bus_chip_init = aic7770_chip_init;  in aic7770_config()
157 	error = ahc_reset(ahc, /*reinit*/FALSE);  in aic7770_config()
162 	intdef = ahc_inb(ahc, INTDEF);  in aic7770_config()
178 		ahc->flags |= AHC_EDGE_INTERRUPT;  in aic7770_config()
180 	switch (ahc->chip & (AHC_EISA|AHC_VL)) {  in aic7770_config()
187 		biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL);  in aic7770_config()
188 		scsiconf = ahc_inb(ahc, SCSICONF);  in aic7770_config()
189 		scsiconf1 = ahc_inb(ahc, SCSICONF + 1);  in aic7770_config()
193 			ahc->flags |= 1;  in aic7770_config()
196 			ahc->flags |= AHC_USEDEFAULTS;  in aic7770_config()
198 			if ((ahc->features & AHC_WIDE) != 0) {  in aic7770_config()
199 				ahc->our_id = scsiconf1 & HWSCSIID;  in aic7770_config()
201 					ahc->flags |= AHC_TERM_ENB_A;  in aic7770_config()
203 				ahc->our_id = scsiconf & HSCSIID;  in aic7770_config()
204 				ahc->our_id_b = scsiconf1 & HSCSIID;  in aic7770_config()
206 					ahc->flags |= AHC_TERM_ENB_A;  in aic7770_config()
208 					ahc->flags |= AHC_TERM_ENB_B;  in aic7770_config()
211 		if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS))  in aic7770_config()
212 			ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B;  in aic7770_config()
217 		have_seeprom = aha2840_load_seeprom(ahc);  in aic7770_config()
224 		kfree(ahc->seep_config);  in aic7770_config()
225 		ahc->seep_config = NULL;  in aic7770_config()
231 	ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS);  in aic7770_config()
234 	hostconf = ahc_inb(ahc, HOSTCONF);  in aic7770_config()
235 	ahc_outb(ahc, BUSSPD, hostconf & DFTHRSH);  in aic7770_config()
236 	ahc_outb(ahc, BUSTIME, (hostconf << 2) & BOFF);  in aic7770_config()
238 	ahc->bus_softc.aic7770_softc.busspd = hostconf & DFTHRSH;  in aic7770_config()
239 	ahc->bus_softc.aic7770_softc.bustime = (hostconf << 2) & BOFF;  in aic7770_config()
244 	error = ahc_init(ahc);  in aic7770_config()
248 	error = aic7770_map_int(ahc, irq);  in aic7770_config()
252 	ahc->init_level++;  in aic7770_config()
257 	ahc_outb(ahc, BCTL, ENABLE);  in aic7770_config()
262 aic7770_chip_init(struct ahc_softc *ahc)  in aic7770_chip_init()  argument
264 	ahc_outb(ahc, BUSSPD, ahc->bus_softc.aic7770_softc.busspd);  in aic7770_chip_init()
265 	ahc_outb(ahc, BUSTIME, ahc->bus_softc.aic7770_softc.bustime);  in aic7770_chip_init()
266 	ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS);  in aic7770_chip_init()
267 	ahc_outb(ahc, BCTL, ENABLE);  in aic7770_chip_init()
268 	return (ahc_chip_init(ahc));  in aic7770_chip_init()
275 aha2840_load_seeprom(struct ahc_softc *ahc)  in aha2840_load_seeprom()  argument
282 	sd.sd_ahc = ahc;  in aha2840_load_seeprom()
293 	sc = ahc->seep_config;  in aha2840_load_seeprom()
296 		printk("%s: Reading SEEPROM...", ahc_name(ahc));  in aha2840_load_seeprom()
313 			printk("%s: No SEEPROM available\n", ahc_name(ahc));  in aha2840_load_seeprom()
314 		ahc->flags |= AHC_USEDEFAULTS;  in aha2840_load_seeprom()
324 		max_targ = (ahc->features & AHC_WIDE) != 0 ? 16 : 8;  in aha2840_load_seeprom()
336 			ahc_outb(ahc, TARG_SCSIRATE + i, target_settings);  in aha2840_load_seeprom()
338 		ahc_outb(ahc, DISC_DSB, ~(discenable & 0xff));  in aha2840_load_seeprom()
339 		ahc_outb(ahc, DISC_DSB + 1, ~((discenable >> 8) & 0xff));  in aha2840_load_seeprom()
341 		ahc->our_id = sc->brtime_id & CFSCSIID;  in aha2840_load_seeprom()
343 		scsi_conf = (ahc->our_id & 0x7);  in aha2840_load_seeprom()
350 			ahc->flags |= AHC_EXTENDED_TRANS_A;  in aha2840_load_seeprom()
352 		ahc_outb(ahc, SCSICONF, scsi_conf);  in aha2840_load_seeprom()
355 			ahc->flags |= AHC_TERM_ENB_A;  in aha2840_load_seeprom()
361 ahc_aic7770_VL_setup(struct ahc_softc *ahc)  in ahc_aic7770_VL_setup()  argument
365 	error = ahc_aic7770_setup(ahc);  in ahc_aic7770_VL_setup()
366 	ahc->chip |= AHC_VL;  in ahc_aic7770_VL_setup()
371 ahc_aic7770_EISA_setup(struct ahc_softc *ahc)  in ahc_aic7770_EISA_setup()  argument
375 	error = ahc_aic7770_setup(ahc);  in ahc_aic7770_EISA_setup()
376 	ahc->chip |= AHC_EISA;  in ahc_aic7770_EISA_setup()
381 ahc_aic7770_setup(struct ahc_softc *ahc)  in ahc_aic7770_setup()  argument
383 	ahc->channel = 'A';  in ahc_aic7770_setup()
384 	ahc->channel_b = 'B';  in ahc_aic7770_setup()
385 	ahc->chip = AHC_AIC7770;  in ahc_aic7770_setup()
386 	ahc->features = AHC_AIC7770_FE;  in ahc_aic7770_setup()
387 	ahc->bugs |= AHC_TMODE_WIDEODD_BUG;  in ahc_aic7770_setup()
388 	ahc->flags |= AHC_PAGESCBS;  in ahc_aic7770_setup()
389 	ahc->instruction_ram_size = 448;  in ahc_aic7770_setup()