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Decouple the ITE code from fintek.c, it doesn't belong there.

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Add common 'enter configuration mode' function for most Winbond/Fintek/ITE
chips which use the 0x87 0x87 sequence for that reason.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2794 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Uwe Hermann
2007-09-20 23:37:56 +00:00
parent 0702469f16
commit b4db2209f9
5 changed files with 37 additions and 63 deletions
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12
util/superiotool/superiotool.c
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@@ -37,6 +37,18 @@ void regwrite(uint16_t port, uint8_t reg, uint8_t val)
outb(val, port + 1);
}
void enter_conf_mode_winbond_fintek_ite_8787(uint16_t port)
{
outb(0x87, port);
outb(0x87, port);
}
void exit_conf_mode_winbond_fintek_ite_8787(uint16_t port)
{
outb(0xaa, port); /* Fintek, Winbond */
regwrite(port, 0x02, 0x02); /* ITE */
}
int superio_unknown(const struct superio_registers reg_table[], uint16_t id)
{
return !strncmp(get_superio_name(reg_table, id), "<unknown>", 9);