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authorStefan Reinauer <stepan@coresystems.de>2009-01-20 22:53:10 +0000
committerStefan Reinauer <stepan@openbios.org>2009-01-20 22:53:10 +0000
commit54309d637ac2cf474793b884b5392f0a6e5390a9 (patch)
tree7d7acb4cb7b4e394ba29eef08c553bd34aeb1193 /src/southbridge/intel/i82801gx/i82801gx_smihandler.c
parent977ed2d99565fc35c52f50cbe310b7b211611e94 (diff)
downloadcoreboot-staging-54309d637ac2cf474793b884b5392f0a6e5390a9.zip
coreboot-staging-54309d637ac2cf474793b884b5392f0a6e5390a9.tar.gz
Update Kontron board
- use new features of the ich7 update - move rambase above 1M to avoid memory trashing through SMM relocation - enable superio HWM Update ICH7 driver - minor smi cosmetics (in progress) - add real ac97 driver - add real azalia driver - fix some interrupt issues - fix some sata issues - include Patrick's fix for _lpc.c Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Patrick Georgi <patrick.georgi@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3886 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/intel/i82801gx/i82801gx_smihandler.c')
-rw-r--r--src/southbridge/intel/i82801gx/i82801gx_smihandler.c32
1 files changed, 27 insertions, 5 deletions
diff --git a/src/southbridge/intel/i82801gx/i82801gx_smihandler.c b/src/southbridge/intel/i82801gx/i82801gx_smihandler.c
index e15dcad..11096fe 100644
--- a/src/southbridge/intel/i82801gx/i82801gx_smihandler.c
+++ b/src/southbridge/intel/i82801gx/i82801gx_smihandler.c
@@ -1,7 +1,7 @@
/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2008 coresystems GmbH
+ * Copyright (C) 2008-2009 coresystems GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -248,16 +248,26 @@ void southbridge_io_trap_handler(int smif)
printk_debug("SMI function trap 0x%x: ", smif);
-
switch (smif) {
case 0x32:
printk_debug("OS Init\n");
+ //gnvs->smif = 0;
+ break;
+ case 0xd5:
+ printk_debug("Set Brightness\n");
+ reg8 = gnvs->brtl;
+ printk_debug("brtl: %x\n", reg8);
+ outb(0x17, 0x66);
+ outb(reg8, 0x62);
+ //gnvs->smif = 0;
break;
case 0xd6:
printk_debug("Get Brightness\n");
outb(0x17, 0x66);
reg8 = inb(0x62);
+ printk_debug("brtl: %x\n", reg8);
gnvs->brtl = reg8;
+ //gnvs->smif = 0;
break;
default:
printk_debug("Unknown function\n");
@@ -401,12 +411,24 @@ void southbridge_smi_handler(unsigned int node, smm_state_save_area_t *state_sav
if (smi_sts & (1 << 4)) { // SLP_SMI
u32 reg32;
+
+ /* First, disable further SMIs */
+ reg8 = inb(pmbase + SMI_EN);
+ reg8 &= ~SLP_SMI_EN;
+ outb(reg8, pmbase + SMI_EN);
+
+ /* Next, do the deed, we should change
+ * power on after power loss bits here
+ * if we're going to S5
+ */
+
+ /* Write back to the SLP register to cause the
+ * originally intended event again.
+ */
reg32 = inl(pmbase + 0x04);
printk_debug("SMI#: SLP = 0x%08x\n");
printk_debug("SMI#: Powering off.\n");
- outl((6 << 10), pmbase + 0x04);
- outl((1 << 13) | (6 << 10), pmbase + 0x04);
- printk_debug("....\n");
+ outl(reg32, pmbase + 0x04);
}
}
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