Esempio n. 1
0
uint16_t probe_id_ite(uint16_t port)
{
	uint16_t id;

	enter_conf_mode_ite(port);
	id = sio_read(port, CHIP_ID_BYTE1_REG) << 8;
	id |= sio_read(port, CHIP_ID_BYTE2_REG);
	exit_conf_mode_ite(port);

	return id;
}
Esempio n. 2
0
void probe_idregs_ite(uint16_t port)
{
	chip_found_at_port = 0;

	if (port == 0x3f0 || port == 0x3bd || port == 0x370) {
		enter_conf_mode_ite_legacy(port, initkey_it8661f);
		probe_idregs_ite_helper("(init=legacy/it8661f) ", port);
		exit_conf_mode_ite(port);
		if (chip_found_at_port)
			return;

		enter_conf_mode_ite_legacy(port, initkey_it8671f);
		probe_idregs_ite_helper("(init=legacy/it8671f) ", port);
		exit_conf_mode_ite(port);
		if (chip_found_at_port)
			return;
	} else {
		enter_conf_mode_ite(port);
		probe_idregs_ite_helper("(init=standard) ", port);
		exit_conf_mode_ite(port);
		if (chip_found_at_port)
			return;

		enter_conf_mode_ite_it8502e(port);
		probe_idregs_ite_helper("(init=it8502e) ", port);
		exit_conf_mode_ite(port);
		if (chip_found_at_port)
			return;

		enter_conf_mode_ite_it8761e(port);
		probe_idregs_ite_helper("(init=it8761e) ", port);
		exit_conf_mode_ite(port);
		if (chip_found_at_port)
			return;

		enter_conf_mode_ite_it8228e(port);
		probe_idregs_ite_helper("(init=it8228e) ", port);
		exit_conf_mode_ite(port);
		if (chip_found_at_port)
			return;

		enter_conf_mode_winbond_fintek_ite_8787(port);
		probe_idregs_ite_helper("(init=0x87,0x87) ", port);
		exit_conf_mode_winbond_fintek_ite_8787(port);
		if (chip_found_at_port)
			return;
	}
}
Esempio n. 3
0
static uint16_t it87spi_probe(uint16_t port)
{
	uint8_t tmp = 0;
	char *portpos = NULL;
	uint16_t flashport = 0;

	enter_conf_mode_ite(port);
	/* NOLDN, reg 0x24, mask out lowest bit (suspend) */
	tmp = sio_read(port, 0x24) & 0xFE;
	/* If IT87SPI was not explicitly selected, we want to check
	 * quickly if LPC->SPI translation is active.
	 */
	if ((programmer == PROGRAMMER_INTERNAL) && !(tmp & (0x0E))) {
		msg_pdbg("No IT87* serial flash segment enabled.\n");
		exit_conf_mode_ite(port);
		/* Nothing to do. */
		return 0;
	}
	msg_pdbg("Serial flash segment 0x%08x-0x%08x %sabled\n",
		 0xFFFE0000, 0xFFFFFFFF, (tmp & 1 << 1) ? "en" : "dis");
	msg_pdbg("Serial flash segment 0x%08x-0x%08x %sabled\n",
		 0x000E0000, 0x000FFFFF, (tmp & 1 << 1) ? "en" : "dis");
	msg_pdbg("Serial flash segment 0x%08x-0x%08x %sabled\n",
		 0xFFEE0000, 0xFFEFFFFF, (tmp & 1 << 2) ? "en" : "dis");
	msg_pdbg("Serial flash segment 0x%08x-0x%08x %sabled\n",
		 0xFFF80000, 0xFFFEFFFF, (tmp & 1 << 3) ? "en" : "dis");
	msg_pdbg("LPC write to serial flash %sabled\n",
		 (tmp & 1 << 4) ? "en" : "dis");
	/* The LPC->SPI force write enable below only makes sense for
	 * non-programmer mode.
	 */
	/* If any serial flash segment is enabled, enable writing. */
	if ((tmp & 0xe) && (!(tmp & 1 << 4))) {
		msg_pdbg("Enabling LPC write to serial flash\n");
		tmp |= 1 << 4;
		sio_write(port, 0x24, tmp);
	}
	msg_pdbg("Serial flash pin %i\n", (tmp & 1 << 5) ? 87 : 29);
	/* LDN 0x7, reg 0x64/0x65 */
	sio_write(port, 0x07, 0x7);
	flashport = sio_read(port, 0x64) << 8;
	flashport |= sio_read(port, 0x65);
	msg_pdbg("Serial flash port 0x%04x\n", flashport);
	/* Non-default port requested? */
	portpos = extract_programmer_param("it87spiport");
	if (portpos) {
		char *endptr = NULL;
		unsigned long forced_flashport;
		forced_flashport = strtoul(portpos, &endptr, 0);
		/* Port 0, port >0x1000, unaligned ports and garbage strings
		 * are rejected.
		 */
		if (!forced_flashport || (forced_flashport >= 0x1000) ||
		    (forced_flashport & 0x7) || (*endptr != '\0')) {
			/* Using ports below 0x100 is a really bad idea, and
			 * should only be done if no port between 0x100 and
			 * 0xff8 works due to routing issues.
			 */
			msg_perr("Error: it87spiport specified, but no valid "
				 "port specified.\nPort must be a multiple of "
				 "0x8 and lie between 0x100 and 0xff8.\n");
			free(portpos);
			return 1;
		} else {
			flashport = (uint16_t)forced_flashport;
			msg_pinfo("Forcing serial flash port 0x%04x\n",
				  flashport);
			sio_write(port, 0x64, (flashport >> 8));
			sio_write(port, 0x65, (flashport & 0xff));
		}
	}
	free(portpos);
	exit_conf_mode_ite(port);
	it8716f_flashport = flashport;
	if (buses_supported & CHIP_BUSTYPE_SPI)
		msg_pdbg("Overriding chipset SPI with IT87 SPI.\n");
	/* FIXME: Add the SPI bus or replace the other buses with it? */
	register_spi_programmer(&spi_programmer_it87xx);
	return 0;
}