| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007-2009 coresystems GmbH |
| * Copyright (C) 2011 Sven Schnelle <svens@stackframe.org> |
| * |
| * 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 <console/console.h> |
| #include <device/device.h> |
| #include <arch/io.h> |
| #include <delay.h> |
| #include <string.h> |
| #include <device/pci_def.h> |
| #include <device/pci_ops.h> |
| #include <device/pci_ids.h> |
| #include <arch/io.h> |
| #include <arch/interrupt.h> |
| #include <ec/lenovo/pmh7/pmh7.h> |
| #include <ec/acpi/ec.h> |
| #include <ec/lenovo/h8/h8.h> |
| #include <northbridge/intel/i945/i945.h> |
| #include <pc80/mc146818rtc.h> |
| #include "dock.h" |
| #include <arch/x86/include/arch/acpigen.h> |
| #include <smbios.h> |
| #include <build.h> |
| #include <x86emu/x86emu.h> |
| #define PANEL INT15_5F35_CL_DISPLAY_DEFAULT |
| |
| static acpi_cstate_t cst_entries[] = { |
| { 1, 1, 1000, { 0x7f, 1, 2, { 0 }, 1, 0 } }, |
| { 2, 1, 500, { 0x01, 8, 0, { 0 }, DEFAULT_PMBASE + LV2, 0 } }, |
| { 2, 17, 250, { 0x01, 8, 0, { 0 }, DEFAULT_PMBASE + LV3, 0 } }, |
| }; |
| |
| #if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE |
| static int int15_handler(void) |
| { |
| /* The right way to do this is to move this handler code into |
| * the mainboard or northbridge code. |
| * TODO: completely move to mainboards / chipsets. |
| */ |
| printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n", |
| __func__, X86_AX, X86_BX, X86_CX, X86_DX); |
| |
| switch (X86_AX) { |
| case 0x5f35: /* Boot Display */ |
| X86_AX = 0x005f; // Success |
| X86_CL = PANEL; |
| break; |
| case 0x5f40: /* Boot Panel Type */ |
| X86_AX = 0x005f; // Success |
| X86_CL = 3; |
| printk(BIOS_DEBUG, "DISPLAY=%x\n", X86_CL); |
| break; |
| default: |
| /* Interrupt was not handled */ |
| printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX); |
| return 0; |
| } |
| |
| /* Interrupt handled */ |
| return 1; |
| } |
| #endif |
| |
| int get_cst_entries(acpi_cstate_t **entries) |
| { |
| *entries = cst_entries; |
| return ARRAY_SIZE(cst_entries); |
| } |
| |
| static void mainboard_init(device_t dev) |
| { |
| device_t dev0, idedev, sdhci_dev; |
| |
| ec_clr_bit(0x03, 2); |
| |
| if (inb(0x164c) & 0x08) { |
| ec_set_bit(0x03, 2); |
| ec_write(0x0c, 0x88); |
| } |
| |
| #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 |
| |
| /* If we're resuming from suspend, blink suspend LED */ |
| dev0 = dev_find_slot(0, PCI_DEVFN(0,0)); |
| if (dev0 && pci_read_config32(dev0, SKPAD) == SKPAD_ACPI_S3_MAGIC) |
| ec_write(0x0c, 0xc7); |
| |
| idedev = dev_find_slot(0, PCI_DEVFN(0x1f,1)); |
| if (idedev && idedev->chip_info && dock_ultrabay_device_present()) { |
| struct southbridge_intel_i82801gx_config *config = idedev->chip_info; |
| config->ide_enable_primary = 1; |
| /* enable Ultrabay power */ |
| outb(inb(0x1628) | 0x01, 0x1628); |
| ec_write(0x0c, 0x84); |
| } else { |
| /* disable Ultrabay power */ |
| outb(inb(0x1628) & ~0x01, 0x1628); |
| ec_write(0x0c, 0x04); |
| } |
| |
| /* Set SDHCI write protect polarity "SDWPPol" */ |
| sdhci_dev = dev_find_device(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C822, 0); |
| if (sdhci_dev) { |
| if (pci_read_config8(sdhci_dev, 0xfa) != 0x20) { |
| /* unlock */ |
| pci_write_config8(sdhci_dev, 0xf9, 0xfc); |
| /* set SDWPPol, keep CLKRUNDis, SDPWRPol clear */ |
| pci_write_config8(sdhci_dev, 0xfa, 0x20); |
| /* restore lock */ |
| pci_write_config8(sdhci_dev, 0xf9, 0x00); |
| } |
| } |
| } |
| |
| const char *smbios_mainboard_bios_version(void) |
| { |
| /* Satisfy thinkpad_acpi. */ |
| if (strlen(CONFIG_LOCALVERSION)) |
| return "CBET4000 " CONFIG_LOCALVERSION; |
| else |
| return "CBET4000 " COREBOOT_VERSION; |
| } |
| |
| static void mainboard_enable(device_t dev) |
| { |
| dev->ops->init = mainboard_init; |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .enable_dev = mainboard_enable, |
| }; |