projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| b72d9a4e SH |
2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive | |
| 4 | * for more details. | |
| 5 | * | |
| 1da177e4 LT |
6 | * Carsten Langgaard, carstenl@mips.com |
| 7 | * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. | |
| 1da177e4 | 8 | */ |
| b72d9a4e | 9 | #include <linux/io.h> |
| fcdb27ad | 10 | #include <linux/pm.h> |
| 1da177e4 | 11 | |
| 1da177e4 | 12 | #include <asm/reboot.h> |
| dadaa1c2 | 13 | #include <asm/mach-malta/malta-pm.h> |
| 36a29af4 SH |
14 | |
| 15 | #define SOFTRES_REG 0x1f000500 | |
| 16 | #define GORESET 0x42 | |
| 1da177e4 | 17 | |
| 1da177e4 LT |
18 | static void mips_machine_restart(char *command) |
| 19 | { | |
| 84c21e25 DV |
20 | unsigned int __iomem *softres_reg = |
| 21 | ioremap(SOFTRES_REG, sizeof(unsigned int)); | |
| 1da177e4 | 22 | |
| 84c21e25 | 23 | __raw_writel(GORESET, softres_reg); |
| 1da177e4 LT |
24 | } |
| 25 | ||
| 26 | static void mips_machine_halt(void) | |
| 27 | { | |
| 37e5c835 PB |
28 | while (true); |
| 29 | } | |
| 1da177e4 | 30 | |
| 37e5c835 PB |
31 | static void mips_machine_power_off(void) |
| 32 | { | |
| dadaa1c2 PB |
33 | mips_pm_suspend(PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_SOFF); |
| 34 | ||
| 35 | pr_info("Failed to power down, resetting\n"); | |
| 37e5c835 | 36 | mips_machine_restart(NULL); |
| 1da177e4 LT |
37 | } |
| 38 | ||
| 1f320d05 | 39 | static int __init mips_reboot_setup(void) |
| 1da177e4 LT |
40 | { |
| 41 | _machine_restart = mips_machine_restart; | |
| 42 | _machine_halt = mips_machine_halt; | |
| 37e5c835 | 43 | pm_power_off = mips_machine_power_off; |
| 1f320d05 RB |
44 | |
| 45 | return 0; | |
| 1da177e4 | 46 | } |
| 1f320d05 | 47 | arch_initcall(mips_reboot_setup); |