scsi/sym53c8xx_2/sym_nvram.c

37 void sym_nvram_setup_host(struct Scsi_Host *shost, struct sym_hcb *np, struct sym_nvram *nvram)
46 			np->rv_scntl0  &= ~0x0a;
47 		np->myaddr = nvram->data.Symbios.host_id & 0x0f;
49 			np->verbose += 1;
53 			np->usrflags |= SYM_AVOID_BUS_RESET;
56 		np->myaddr = nvram->data.Tekram.host_id & 0x0f;
61 			np->myaddr = nvram->data.parisc.host_id;
63 			np->minsync = nvram->data.parisc.factor;
65 			np->maxwide = nvram->data.parisc.width;
67 			case 0: np->scsi_mode = SMODE_SE; break;
68 			case 1: np->scsi_mode = SMODE_HVD; break;
69 			case 2: np->scsi_mode = SMODE_LVD; break;
143 static void sym_display_Symbios_nvram(struct sym_device *np, Symbios_nvram *nvram)
149 		sym_name(np), nvram->host_id & 0x0f,
161 		sym_name(np), i,
175 static void sym_display_Tekram_nvram(struct sym_device *np, Tekram_nvram *nvram)
193 		sym_name(np), nvram->host_id & 0x0f,
211 		sym_name(np), i,
222 static void sym_display_Symbios_nvram(struct sym_device *np, Symbios_nvram *nvram) { (void)np; (void)nvram; }
223 static void sym_display_Tekram_nvram(struct sym_device *np, Tekram_nvram *nvram) { (void)np; (void)nvram; }
243 static void S24C16_set_bit(struct sym_device *np, u_char write_bit, u_char *gpreg,
262 	OUTB(np, nc_gpreg, *gpreg);
263 	INB(np, nc_mbox1);
270 static void S24C16_start(struct sym_device *np, u_char *gpreg)
272 	S24C16_set_bit(np, 1, gpreg, SET_BIT);
273 	S24C16_set_bit(np, 0, gpreg, SET_CLK);
274 	S24C16_set_bit(np, 0, gpreg, CLR_BIT);
275 	S24C16_set_bit(np, 0, gpreg, CLR_CLK);
281 static void S24C16_stop(struct sym_device *np, u_char *gpreg)
283 	S24C16_set_bit(np, 0, gpreg, SET_CLK);
284 	S24C16_set_bit(np, 1, gpreg, SET_BIT);
291 static void S24C16_do_bit(struct sym_device *np, u_char *read_bit, u_char write_bit,
294 	S24C16_set_bit(np, write_bit, gpreg, SET_BIT);
295 	S24C16_set_bit(np, 0, gpreg, SET_CLK);
297 		*read_bit = INB(np, nc_gpreg);
298 	S24C16_set_bit(np, 0, gpreg, CLR_CLK);
299 	S24C16_set_bit(np, 0, gpreg, CLR_BIT);
306 static void S24C16_write_ack(struct sym_device *np, u_char write_bit, u_char *gpreg,
309 	OUTB(np, nc_gpcntl, *gpcntl & 0xfe);
310 	S24C16_do_bit(np, NULL, write_bit, gpreg);
311 	OUTB(np, nc_gpcntl, *gpcntl);
318 static void S24C16_read_ack(struct sym_device *np, u_char *read_bit, u_char *gpreg,
321 	OUTB(np, nc_gpcntl, *gpcntl | 0x01);
322 	S24C16_do_bit(np, read_bit, 1, gpreg);
323 	OUTB(np, nc_gpcntl, *gpcntl);
330 static void S24C16_write_byte(struct sym_device *np, u_char *ack_data, u_char write_data,
336 		S24C16_do_bit(np, NULL, (write_data >> (7 - x)) & 0x01, gpreg);
338 	S24C16_read_ack(np, ack_data, gpreg, gpcntl);
345 static void S24C16_read_byte(struct sym_device *np, u_char *read_data, u_char ack_data,
353 		S24C16_do_bit(np, &read_bit, 1, gpreg);
357 	S24C16_write_ack(np, ack_data, gpreg, gpcntl);
364 static int sym_write_S24C16_nvram(struct sym_device *np, int offset,
373 	old_gpreg	= INB(np, nc_gpreg);
374 	old_gpcntl	= INB(np, nc_gpcntl);
378 	OUTB(np, nc_gpreg,  old_gpreg);
379 	OUTB(np, nc_gpcntl, gpcntl);
383 	S24C16_set_bit(np, 0, &gpreg, CLR_CLK);
384 	S24C16_set_bit(np, 0, &gpreg, CLR_BIT);
387 	S24C16_stop(np, &gpreg);
392 			S24C16_start(np, &gpreg);
393 			S24C16_write_byte(np, &ack_data,
398 		S24C16_write_byte(np, &ack_data, (offset+x) & 0xff,
402 			S24C16_write_byte(np, &ack_data, data[x+y],
404 		S24C16_stop(np, &gpreg);
408 	OUTB(np, nc_gpcntl, old_gpcntl);
409 	OUTB(np, nc_gpreg,  old_gpreg);
418 static int sym_read_S24C16_nvram(struct sym_device *np, int offset, u_char *data, int len)
427 	old_gpreg	= INB(np, nc_gpreg);
428 	old_gpcntl	= INB(np, nc_gpcntl);
432 	OUTB(np, nc_gpreg,  old_gpreg);
433 	OUTB(np, nc_gpcntl, gpcntl);
437 	S24C16_set_bit(np, 0, &gpreg, CLR_CLK);
438 	S24C16_set_bit(np, 0, &gpreg, CLR_BIT);
441 	S24C16_stop(np, &gpreg);
444 	S24C16_start(np, &gpreg);
447 	S24C16_write_byte(np, &ack_data,
453 	S24C16_write_byte(np, &ack_data,
459 	S24C16_start(np, &gpreg);
462 	S24C16_write_byte(np, &ack_data,
469 	OUTB(np, nc_gpcntl, gpcntl);
473 		S24C16_read_byte(np, &data[x], (x == (len-1)), &gpreg, &gpcntl);
477 	OUTB(np, nc_gpcntl, gpcntl);
478 	S24C16_stop(np, &gpreg);
482 	OUTB(np, nc_gpcntl, old_gpcntl);
483 	OUTB(np, nc_gpreg,  old_gpreg);
497 static int sym_read_Symbios_nvram(struct sym_device *np, Symbios_nvram *nvram)
506 	if (sym_read_S24C16_nvram (np, SYMBIOS_NVRAM_ADDRESS, data, len))
538 static void T93C46_Clk(struct sym_device *np, u_char *gpreg)
540 	OUTB(np, nc_gpreg, *gpreg | 0x04);
541 	INB(np, nc_mbox1);
543 	OUTB(np, nc_gpreg, *gpreg);
549 static void T93C46_Read_Bit(struct sym_device *np, u_char *read_bit, u_char *gpreg)
552 	T93C46_Clk(np, gpreg);
553 	*read_bit = INB(np, nc_gpreg);
559 static void T93C46_Write_Bit(struct sym_device *np, u_char write_bit, u_char *gpreg)
568 	OUTB(np, nc_gpreg, *gpreg);
569 	INB(np, nc_mbox1);
572 	T93C46_Clk(np, gpreg);
578 static void T93C46_Stop(struct sym_device *np, u_char *gpreg)
581 	OUTB(np, nc_gpreg, *gpreg);
582 	INB(np, nc_mbox1);
585 	T93C46_Clk(np, gpreg);
591 static void T93C46_Send_Command(struct sym_device *np, u_short write_data,
598 		T93C46_Write_Bit(np, (u_char) (write_data >> (8 - x)), gpreg);
600 	*read_bit = INB(np, nc_gpreg);
606 static void T93C46_Read_Word(struct sym_device *np,
614 		T93C46_Read_Bit(np, &read_bit, gpreg);
626 static int T93C46_Read_Data(struct sym_device *np, unsigned short *data,
634 		T93C46_Send_Command(np, 0x180 | x, &read_bit, gpreg);
637 		T93C46_Read_Word(np, &data[x], gpreg);
638 		T93C46_Stop(np, gpreg);
647 static int sym_read_T93C46_nvram(struct sym_device *np, Tekram_nvram *nvram)
654 	old_gpreg	= INB(np, nc_gpreg);
655 	old_gpcntl	= INB(np, nc_gpcntl);
660 	OUTB(np, nc_gpreg, gpreg);
662 	OUTB(np, nc_gpcntl, gpcntl);
665 	retv = T93C46_Read_Data(np, (u_short *) nvram,
669 	OUTB(np, nc_gpcntl, old_gpcntl);
670 	OUTB(np, nc_gpreg,  old_gpreg);
679 static int sym_read_Tekram_nvram (struct sym_device *np, Tekram_nvram *nvram)
686 	switch (np->pdev->device) {
690 		x = sym_read_S24C16_nvram(np, TEKRAM_24C16_NVRAM_ADDRESS,
694 		x = sym_read_S24C16_nvram(np, TEKRAM_24C16_NVRAM_ADDRESS,
700 		x = sym_read_T93C46_nvram(np, nvram);
721 static int sym_read_parisc_pdc(struct sym_device *np, struct pdc_initiator *pdc)
724 	get_pci_node_path(np->pdev, &hwpath);
731 static inline int sym_read_parisc_pdc(struct sym_device *np,
741 int sym_read_nvram(struct sym_device *np, struct sym_nvram *nvp)
743 	if (!sym_read_Symbios_nvram(np, &nvp->data.Symbios)) {
745 		sym_display_Symbios_nvram(np, &nvp->data.Symbios);
746 	} else if (!sym_read_Tekram_nvram(np, &nvp->data.Tekram)) {
748 		sym_display_Tekram_nvram(np, &nvp->data.Tekram);
750 		nvp->type = sym_read_parisc_pdc(np, &nvp->data.parisc);