Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include <linux/reboot.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include "iomap.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include "common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include "control.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include "prm3xxx.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define TI81XX_PRM_DEVICE_RSTCTRL	0x00a0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define TI81XX_GLOBAL_RST_COLD		BIT(1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  * ti81xx_restart - trigger a software restart of the SoC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  * @cmd: passed from the userspace program rebooting the system (if provided)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  * Resets the SoC.  For @cmd, see the 'reboot' syscall in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  * kernel/sys.c.  No return value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  * NOTE: Warm reset does not seem to work, may require resetting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  * clocks to bypass mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) void ti81xx_restart(enum reboot_mode mode, const char *cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	omap2_prm_set_mod_reg_bits(TI81XX_GLOBAL_RST_COLD, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 				   TI81XX_PRM_DEVICE_RSTCTRL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	while (1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) }