This patch implements MBI (modular bios interface) support to the i830 chipset.

This is needed on the IP1000T to get VGA output. The VGA option rom will ask
through an SMI for hardware specifics (in form of a VBT, video bios table)
which the SMI handler copies into the VGA option rom. 

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5177 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 138 insertions, 0 deletions

diff --git a/src/southbridge/intel/i82801dx/i82801dx_nvs.h b/src/southbridge/intel/i82801dx/i82801dx_nvs.h
new file mode 100644
index 0000000000..03f8de74ea
--- /dev/null
+++ b/src/southbridge/intel/i82801dx/i82801dx_nvs.h
@@ -0,0 +1,138 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * 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 published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+typedef struct {
+	/* Miscellaneous */
+	u16	osys; /* 0x00 - Operating System */
+	u8	smif; /* 0x02 - SMI function call ("TRAP") */
+	u8	prm0; /* 0x03 - SMI function call parameter */
+	u8	prm1; /* 0x04 - SMI function call parameter */
+	u8	scif; /* 0x05 - SCI function call (via _L00) */
+	u8	prm2; /* 0x06 - SCI function call parameter */
+	u8	prm3; /* 0x07 - SCI function call parameter */
+	u8	lckf; /* 0x08 - Global Lock function for EC */
+	u8	prm4; /* 0x09 - Lock function parameter */
+	u8	prm5; /* 0x0a - Lock function parameter */
+	u32	p80d; /* 0x0b - Debug port (IO 0x80) value */
+	u8	lids; /* 0x0f - LID state (open = 1) */
+	u8	pwrs; /* 0x10 - Power state (AC = 1) */
+	u8	dbgs; /* 0x11 - Debug state */
+	u8	linx; /* 0x12 - Linux OS */
+	u8	dckn; /* 0x13 - PCIe docking state */
+	/* Thermal policy */
+	u8	actt; /* 0x14 - active trip point */
+	u8	psvt; /* 0x15 - passive trip point */
+	u8	tc1v; /* 0x16 - passive trip point TC1 */
+	u8	tc2v; /* 0x17 - passive trip point TC2 */
+	u8	tspv; /* 0x18 - passive trip point TSP */
+	u8	crtt; /* 0x19 - critical trip point */
+	u8	dtse; /* 0x1a - Digital Thermal Sensor enable */
+	u8	dts1; /* 0x1b - DT sensor 1 */
+	u8	dts2; /* 0x1c - DT sensor 2 */
+	u8	rsvd2;
+	/* Battery Support */
+	u8	bnum; /* 0x1e - number of batteries */
+	u8	b0sc, b1sc, b2sc; /* 0x1f-0x21 - stored capacity */
+	u8	b0ss, b1ss, b2ss; /* 0x22-0x24 - stored status */
+	u8	rsvd3[3];
+	/* Processor Identification */
+	u8	apic; /* 0x28 - APIC enabled */
+	u8	mpen; /* 0x29 - MP capable/enabled */
+	u8	pcp0; /* 0x2a - PDC CPU/CORE 0 */
+	u8	pcp1; /* 0x2b - PDC CPU/CORE 1 */
+	u8	ppcm; /* 0x2c - Max. PPC state */
+	u8	rsvd4[5];
+	/* Super I/O & CMOS config */
+	u8	natp; /* 0x32 - SIO type */
+	u8	cmap; /* 0x33 - */
+	u8	cmbp; /* 0x34 - */
+	u8	lptp; /* 0x35 - LPT port */
+	u8	fdcp; /* 0x36 - Floppy Disk Controller */
+	u8	rfdv; /* 0x37 - */
+	u8	hotk; /* 0x38 - Hot Key */
+	u8	rtcf;
+	u8	util;
+	u8	acin;
+	/* Integrated Graphics Device */
+	u8	igds; /* 0x3c - IGD state */
+	u8	tlst; /* 0x3d - Display Toggle List Pointer */
+	u8	cadl; /* 0x3e - currently attached devices */
+	u8	padl; /* 0x3f - previously attached devices */
+	u16	cste; /* 0x40 - current display state */
+	u16	nste; /* 0x42 - next display state */
+	u16	sste; /* 0x44 - set display state */
+	u8	ndid; /* 0x46 - number of device ids */
+	u32	did[5]; /* 0x47 - 5b device id 1..5 */
+	u8	rsvd5[0x9];
+	/* Backlight Control */
+	u8	blcs; /* 0x64 - Backlight Control possible */
+	u8	brtl;
+	u8	odds;
+	u8	rsvd6[0x7];
+	/* Ambient Light Sensors*/
+	u8	alse; /* 0x6e - ALS enable */
+	u8	alaf;
+	u8	llow;
+	u8	lhih;
+	u8	rsvd7[0x6];
+	/* EMA */
+	u8	emae; /* 0x78 - EMA enable */
+	u16	emap;
+	u16	emal;
+	u8	rsvd8[0x5];
+	/* MEF */
+	u8	mefe; /* 0x82 - MEF enable */
+	u8	rsvd9[0x9];
+	/* TPM support */
+	u8	tpmp; /* 0x8c - TPM */
+	u8	tpme;
+	u8	rsvd10[8];
+	/* SATA */
+	u8	gtf0[7]; /* 0x96 - GTF task file buffer for port 0 */
+	u8	gtf1[7];
+	u8	gtf2[7];
+	u8	idem;
+	u8	idet;
+	u8	rsvd11[7];
+	/* IGD OpRegion (not implemented yet) */
+	u32	aslb; /* 0xb4 - IGD OpRegion Base Address */
+	u8	ibtt;
+	u8	ipat;
+	u8	itvf;
+	u8	itvm;
+	u8	ipsc;
+	u8	iblc;
+	u8	ibia;
+	u8	issc;
+	u8	i409;
+	u8	i509;
+	u8	i609;
+	u8	i709;
+	u8	idmm;
+	u8	idms;
+	u8	if1e;
+	u8	hvco;
+	u32	nxd[8];
+	u8	rsvd12[8];
+	/* Mainboard specific */
+	u8	dock; /* 0xf0 - Docking Status */
+	u8	bten;
+	u8	rsvd13[14];
+} __attribute__((packed)) global_nvs_t;
+