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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
Download Patch File Download Diff File Expand all files Collapse all files

17
util/superiotool/winbond.c
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@@ -126,23 +126,12 @@ const static struct superio_registers reg_table[] = {
{EOT}
};
static void enter_conf_mode_winbond(uint16_t port)
{
outb(0x87, port);
outb(0x87, port);
}
static void exit_conf_mode_winbond(uint16_t port)
{
outb(0xaa, port);
}
void probe_idregs_winbond(uint16_t port)
{
uint16_t id;
uint8_t devid, rev;
enter_conf_mode_winbond(port);
enter_conf_mode_winbond_fintek_ite_8787(port);
devid = regval(port, DEVICE_ID_REG);
rev = regval(port, DEVICE_REV_REG);
@@ -152,7 +141,7 @@ void probe_idregs_winbond(uint16_t port)
if (superio_unknown(reg_table, id)) {
no_superio_found(port);
exit_conf_mode_winbond(port);
exit_conf_mode_winbond_fintek_ite_8787(port);
return;
}
@@ -162,6 +151,6 @@ void probe_idregs_winbond(uint16_t port)
/* TODO: Special notes in dump output for the MISC entries. */
dump_superio("Winbond", reg_table, port, id);
exit_conf_mode_winbond(port);
exit_conf_mode_winbond_fintek_ite_8787(port);
}