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-rw-r--r--src/mainboard/kontron/ktqm77/mainboard.c168
1 files changed, 168 insertions, 0 deletions
diff --git a/src/mainboard/kontron/ktqm77/mainboard.c b/src/mainboard/kontron/ktqm77/mainboard.c
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+++ b/src/mainboard/kontron/ktqm77/mainboard.c
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
+ * Copyright (C) 2013 secunet Security Networks AG
+ *
+ * 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
+ */
+
+#include <types.h>
+#include <string.h>
+#include <device/device.h>
+#include <device/pci_def.h>
+#include <device/pci_ops.h>
+#include <console/console.h>
+#if CONFIG_PCI_ROM_RUN || CONFIG_VGA_ROM_RUN
+#include <x86emu/x86emu.h>
+#endif
+#include <pc80/mc146818rtc.h>
+#include <arch/acpi.h>
+#include <arch/io.h>
+#include <arch/interrupt.h>
+#include <boot/coreboot_tables.h>
+#include "hda_verb.h"
+#include <southbridge/intel/bd82x6x/pch.h>
+
+void mainboard_suspend_resume(void)
+{
+ /* Call SMM finalize() handlers before resume */
+ outb(0xcb, 0xb2);
+}
+
+#if CONFIG_PCI_ROM_RUN || CONFIG_VGA_ROM_RUN
+static int int15_handler(void)
+{
+ int res = 0;
+
+ printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
+ __func__, X86_AX, X86_BX, X86_CX, X86_DX);
+
+ switch(X86_EAX & 0xffff) {
+ case 0x5f34:
+ /*
+ * Set Panel Fitting Hook:
+ * bit 2 = Graphics Stretching
+ * bit 1 = Text Stretching
+ * bit 0 = Centering (do not set with bit1 or bit2)
+ * 0 = video bios default
+ */
+ X86_EAX &= 0xffff0000;
+ X86_EAX |= 0x005f;
+ X86_ECX &= 0xffffff00;
+ X86_ECX |= 0x00; /* Use video bios default */
+ res = 1;
+ break;
+ case 0x5f35:
+ /*
+ * Boot Display Device Hook:
+ * bit 0 = CRT
+ * bit 1 = TV (eDP)
+ * bit 2 = EFP
+ * bit 3 = LFP
+ * bit 4 = CRT2
+ * bit 5 = TV2 (eDP)
+ * bit 6 = EFP2
+ * bit 7 = LFP2
+ */
+ X86_EAX &= 0xffff0000;
+ X86_EAX |= 0x005f;
+ X86_ECX &= 0xffff0000;
+ X86_ECX |= 0x0000; /* Use video bios default */
+ res = 1;
+ break;
+ case 0x5f51:
+ /*
+ * Hook to select active LFP configuration:
+ * 00h = No LVDS, VBIOS does not enable LVDS
+ * 01h = Int-LVDS, LFP driven by integrated LVDS decoder
+ * 02h = SDVO-LVDS, LFP driven by SDVO decoder
+ * 03h = eDP, LFP Driven by Int-DisplayPort encoder
+ */
+ X86_EAX &= 0xffff0000;
+ X86_EAX |= 0x005f;
+ X86_ECX &= 0xffff0000;
+ X86_ECX |= 0x0000; /* TODO: Make this configurable in NVRAM? */
+ res = 1;
+ break;
+ case 0x5f70:
+ switch ((X86_ECX >> 8) & 0xff) {
+ case 0:
+ /* Get Mux */
+ X86_EAX &= 0xffff0000;
+ X86_EAX |= 0x005f;
+ X86_ECX &= 0xffff0000;
+ X86_ECX |= 0x0000;
+ res = 1;
+ break;
+ case 1:
+ /* Set Mux */
+ X86_EAX &= 0xffff0000;
+ X86_EAX |= 0x005f;
+ X86_ECX &= 0xffff0000;
+ X86_ECX |= 0x0000;
+ res = 1;
+ break;
+ case 2:
+ /* Get SG/Non-SG mode */
+ X86_EAX &= 0xffff0000;
+ X86_EAX |= 0x005f;
+ X86_ECX &= 0xffff0000;
+ X86_ECX |= 0x0000;
+ res = 1;
+ break;
+ default:
+ /* Interrupt was not handled */
+ printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n",
+ ((X86_ECX >> 8) & 0xff));
+ return 1;
+ }
+ break;
+
+ default:
+ printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n",
+ X86_EAX & 0xffff);
+ break;
+ }
+ return res;
+}
+#endif
+
+/* Audio Setup */
+
+extern const u32 *cim_verb_data;
+extern u32 cim_verb_data_size;
+
+static void verb_setup(void)
+{
+ cim_verb_data = mainboard_cim_verb_data;
+ cim_verb_data_size = sizeof(mainboard_cim_verb_data);
+}
+
+// mainboard_enable is executed as first thing after
+// enumerate_buses().
+
+static void mainboard_enable(device_t dev)
+{
+#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
+ /* Install custom int15 handler for VGA OPROM */
+ mainboard_interrupt_handlers(0x15, &int15_handler);
+#endif
+ verb_setup();
+}
+
+struct chip_operations mainboard_ops = {
+ .enable_dev = mainboard_enable,
+};