2 * am33xx-restart.c - Code common to all AM33xx machines.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
8 #include <linux/kernel.h>
11 #include "prm-regbits-33xx.h"
15 * am3xx_restart - trigger a software restart of the SoC
16 * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
17 * @cmd: passed from the userspace program rebooting the system (if provided)
19 * Resets the SoC. For @cmd, see the 'reboot' syscall in
20 * kernel/sys.c. No return value.
22 void am33xx_restart(char mode
, const char *cmd
)
24 /* TODO: Handle mode and cmd if necessary */
26 am33xx_prm_rmw_reg_bits(AM33XX_GLOBAL_WARM_SW_RST_MASK
,
27 AM33XX_GLOBAL_WARM_SW_RST_MASK
,
28 AM33XX_PRM_DEVICE_MOD
,
29 AM33XX_PRM_RSTCTRL_OFFSET
);
32 (void)am33xx_prm_read_reg(AM33XX_PRM_DEVICE_MOD
,
33 AM33XX_PRM_RSTCTRL_OFFSET
);