diff options
Diffstat (limited to 'src/mainboard/apple/macbook21/mainboard.c')
| -rw-r--r-- | src/mainboard/apple/macbook21/mainboard.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/mainboard/apple/macbook21/mainboard.c b/src/mainboard/apple/macbook21/mainboard.c new file mode 100644 index 0000000000..6bd3aec083 --- /dev/null +++ b/src/mainboard/apple/macbook21/mainboard.c @@ -0,0 +1,91 @@ +/* + * 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 <device/pci_def.h> +#include <device/pci_ops.h> +#include <device/pci_ids.h> +#include <arch/io.h> +#include <arch/interrupt.h> +#include <northbridge/intel/i945/i945.h> +#include <pc80/mc146818rtc.h> +#include <arch/x86/include/arch/acpigen.h> +#include <smbios.h> +#include <x86emu/x86emu.h> +#define PANEL INT15_5F35_CL_DISPLAY_DEFAULT + +#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) +{ + return 0; +} + +static void mainboard_init(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 +} + +static void mainboard_enable(device_t dev) +{ + dev->ops->init = mainboard_init; +} + +struct chip_operations mainboard_ops = { + .enable_dev = mainboard_enable, +}; + |