diff options
Diffstat (limited to 'include/grub/mips/loongson/ec.h')
| -rw-r--r-- | include/grub/mips/loongson/ec.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/grub/mips/loongson/ec.h b/include/grub/mips/loongson/ec.h new file mode 100644 index 0000000..3f8ff99 --- /dev/null +++ b/include/grub/mips/loongson/ec.h @@ -0,0 +1,45 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2010 Free Software Foundation, Inc. + * + * GRUB 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, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef GRUB_EC_MACHINE_HEADER +#define GRUB_EC_MACHINE_HEADER 1 + +#include <grub/types.h> +#include <grub/cpu/io.h> +#include <grub/pci.h> + +#define GRUB_MACHINE_EC_MAGIC_PORT1 0x381 +#define GRUB_MACHINE_EC_MAGIC_PORT2 0x382 +#define GRUB_MACHINE_EC_DATA_PORT 0x383 + +#define GRUB_MACHINE_EC_MAGIC_VAL1 0xf4 +#define GRUB_MACHINE_EC_MAGIC_VAL2 0xec + +#define GRUB_MACHINE_EC_COMMAND_REBOOT 1 + +static inline void +grub_write_ec (grub_uint8_t value) +{ + grub_outb (GRUB_MACHINE_EC_MAGIC_VAL1, + GRUB_MACHINE_PCI_IO_BASE + GRUB_MACHINE_EC_MAGIC_PORT1); + grub_outb (GRUB_MACHINE_EC_MAGIC_VAL2, + GRUB_MACHINE_PCI_IO_BASE + GRUB_MACHINE_EC_MAGIC_PORT2); + grub_outb (value, GRUB_MACHINE_PCI_IO_BASE + GRUB_MACHINE_EC_DATA_PORT); +} + +#endif |