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;
}
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;
}
}
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;
}
