| /* |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/reboot.h> |
| |
| #include "iomap.h" |
| #include "common.h" |
| #include "control.h" |
| #include "prm3xxx.h" |
| |
| #define TI81XX_PRM_DEVICE_RSTCTRL 0x00a0 |
| #define TI81XX_GLOBAL_RST_COLD BIT(1) |
| |
| /** |
| * ti81xx_restart - trigger a software restart of the SoC |
| * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c |
| * @cmd: passed from the userspace program rebooting the system (if provided) |
| * |
| * Resets the SoC. For @cmd, see the 'reboot' syscall in |
| * kernel/sys.c. No return value. |
| * |
| * NOTE: Warm reset does not seem to work, may require resetting |
| * clocks to bypass mode. |
| */ |
| void ti81xx_restart(enum reboot_mode mode, const char *cmd) |
| { |
| omap2_prm_set_mod_reg_bits(TI81XX_GLOBAL_RST_COLD, 0, |
| TI81XX_PRM_DEVICE_RSTCTRL); |
| while (1); |
| } |