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| author | Uwe Hermann <uwe@hermann-uwe.de> | 2007-09-20 23:37:56 +0000 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2007-09-20 23:37:56 +0000 |
| commit | b4db2209f9e01e1a013cc33356bceec57c3a3c80 (patch) | |
| tree | efd43f13e63088323dcbbffc9f431c692f3cd819 /util/superiotool/superiotool.c | |
| parent | 0702469f163e69257a7cf079eb40ae99f53c815b (diff) | |
Decouple the ITE code from fintek.c, it doesn't belong there.
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
Diffstat (limited to 'util/superiotool/superiotool.c')
| -rw-r--r-- | util/superiotool/superiotool.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/util/superiotool/superiotool.c b/util/superiotool/superiotool.c index 8aea0a02d9..0a253ad623 100644 --- a/util/superiotool/superiotool.c +++ b/util/superiotool/superiotool.c @@ -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); |