dev/powermac_nvram/powermac_nvram.c

217 	vm_offset_t bank;
239 	bank = (sc->sc_bank == sc->sc_bank0) ? sc->sc_bank1 : sc->sc_bank0;
240 	if (erase_bank(sc->sc_dev, (uint8_t *)bank) != 0 ||
241 	    write_bank(sc->sc_dev, (uint8_t *)bank, sc->sc_data) != 0) {
245 	sc->sc_bank = bank;
356 wait_operation_complete_amd(uint8_t *bank)
361 		if ((inb(bank) ^ inb(bank)) == 0)
367 erase_bank_amd(device_t dev, uint8_t *bank)
372 	OUTB_DELAY(bank + 0x555, 0xaa);
374 	OUTB_DELAY(bank + 0x2aa, 0x55);
377 	OUTB_DELAY(bank + 0x555, 0x80);
378 	OUTB_DELAY(bank + 0x555, 0xaa);
379 	OUTB_DELAY(bank + 0x2aa, 0x55);
380 	OUTB_DELAY(bank, 0x30);
382 	if (wait_operation_complete_amd(bank) != 0) {
388 	OUTB_DELAY(bank, 0xf0);
391 		if (bank[i] != 0xff) {
400 write_bank_amd(device_t dev, uint8_t *bank, uint8_t *data)
406 		OUTB_DELAY(bank + 0x555, 0xaa);
408 		OUTB_DELAY(bank + 0x2aa, 0x55);
411 		OUTB_DELAY(bank + 0x555, 0xa0);
412 		OUTB_DELAY(bank + i, data[i]);
413 		if (wait_operation_complete_amd(bank) != 0) {
420 	OUTB_DELAY(bank, 0xf0);
423 		if (bank[i] != data[i]) {
432 wait_operation_complete_sm(uint8_t *bank)
437 		outb(bank, SM_FLASH_CMD_READ_STATUS);
438 		if (inb(bank) & SM_FLASH_STATUS_DONE)
445 erase_bank_sm(device_t dev, uint8_t *bank)
449 	outb(bank, SM_FLASH_CMD_ERASE_SETUP);
450 	outb(bank, SM_FLASH_CMD_ERASE_CONFIRM);
452 	if (wait_operation_complete_sm(bank) != 0) {
457 	outb(bank, SM_FLASH_CMD_CLEAR_STATUS);
458 	outb(bank, SM_FLASH_CMD_RESET);
461 		if (bank[i] != 0xff) {
470 write_bank_sm(device_t dev, uint8_t *bank, uint8_t *data)
475 		OUTB_DELAY(bank + i, SM_FLASH_CMD_WRITE_SETUP);
476 		outb(bank + i, data[i]);
477 		if (wait_operation_complete_sm(bank) != 0) {
483 	outb(bank, SM_FLASH_CMD_CLEAR_STATUS);
484 	outb(bank, SM_FLASH_CMD_RESET);
487 		if (bank[i] != data[i]) {
496 erase_bank(device_t dev, uint8_t *bank)
502 		return (erase_bank_amd(dev, bank));
504 		return (erase_bank_sm(dev, bank));
508 write_bank(device_t dev, uint8_t *bank, uint8_t *data)
514 		return (write_bank_amd(dev, bank, data));
516 		return (write_bank_sm(dev, bank, data));