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Diffstat (limited to 'src/mainboard/lenovo/t520/mainboard.c')
| -rw-r--r-- | src/mainboard/lenovo/t520/mainboard.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t520/mainboard.c b/src/mainboard/lenovo/t520/mainboard.c new file mode 100644 index 0000000000..e387a9f95f --- /dev/null +++ b/src/mainboard/lenovo/t520/mainboard.c @@ -0,0 +1,194 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * Copyright (C) 2011-2012 Google Inc. + * Copyright (C) 2014 Vladimir Serbinenko + * + * 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_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> +#include <smbios.h> +#include <device/pci.h> +#include <cbfs.h> +#include <pc80/keyboard.h> + +void mainboard_suspend_resume(void) +{ + /* Call SMM finalize() handlers before resume */ + outb(0xcb, 0xb2); +} + +#if CONFIG_VGA_ROM_RUN +static int int15_handler(void) +{ + int res = 0; + + printk(BIOS_DEBUG, "%s: INT15 function %04x!\n", + __func__, X86_AX); + + switch (X86_AX) { + 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_AX = 0x005f; + X86_CL = 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_AX = 0x005f; + X86_CX = 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 = SVDO-LVDS, LFP driven by SVDO decoder + * 03h = eDP, LFP Driven by Int-DisplayPort encoder + */ + X86_AX = 0x005f; + X86_CX = 0x0001; /* Int-LVDS */ + res = 1; + break; + case 0x5f70: + switch (X86_CH) { + case 0: + /* Get Mux */ + X86_AX = 0x005f; + X86_CX = 0x0000; + res = 1; + break; + case 1: + /* Set Mux */ + X86_AX = 0x005f; + X86_CX = 0x0000; + res = 1; + break; + case 2: + /* Get SG/Non-SG mode */ + X86_AX = 0x005f; + X86_CX = 0x0000; + res = 1; + break; + default: + /* Interrupt was not handled */ + printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n", + X86_CH); + break; + } + break; + + default: + printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX); + break; + } + return res; +} +#endif + +const char *smbios_mainboard_version(void) +{ + return "ThinkPad T520"; +} + +/* Audio Setup */ + +extern const u32 *cim_verb_data; +extern u32 cim_verb_data_size; +extern const u32 *pc_beep_verbs; +extern u32 pc_beep_verbs_size; + +static void verb_setup(void) +{ + cim_verb_data = mainboard_cim_verb_data; + cim_verb_data_size = sizeof(mainboard_cim_verb_data); + pc_beep_verbs = mainboard_pc_beep_verbs; + pc_beep_verbs_size = mainboard_pc_beep_verbs_size; + +} + +static void mainboard_init(device_t dev) +{ + RCBA32(0x38c8) = 0x00002005; + RCBA32(0x38c4) = 0x00802005; + RCBA32(0x38c0) = 0x00000007; + + pc_keyboard_init(0); + + /* Enable expresscard hotplug events. */ + pci_write_config32(dev_find_slot(0, PCI_DEVFN(0x1c, 2)), + 0xd8, + pci_read_config32(dev_find_slot(0, PCI_DEVFN(0x1c, 2)), 0xd8) + | (1 << 30)); + + pci_write_config16(dev_find_slot(0, PCI_DEVFN(0x1c, 2)), + 0x42, 0x142); +} + +/* mainboard_enable is executed as first thing after +enumerate_buses(). */ +static void mainboard_enable(device_t dev) +{ + dev->ops->init = mainboard_init; +#if CONFIG_VGA_ROM_RUN + /* Install custom int15 handler for VGA OPROM */ + mainboard_interrupt_handlers(0x15, &int15_handler); +#endif + verb_setup(); +} + +void h8_mainboard_init_dock (void); + +void h8_mainboard_init_dock (void) +{ + return; +} + +struct chip_operations mainboard_ops = { + .enable_dev = mainboard_enable, +}; |