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30 lines
848 B
30 lines
848 B
// SPDX-License-Identifier: GPL-2.0-only |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <linux/reboot.h> |
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#include "iomap.h" |
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#include "common.h" |
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#include "control.h" |
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#include "prm3xxx.h" |
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#define TI81XX_PRM_DEVICE_RSTCTRL 0x00a0 |
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#define TI81XX_GLOBAL_RST_COLD BIT(1) |
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/** |
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* ti81xx_restart - trigger a software restart of the SoC |
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* @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c |
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* @cmd: passed from the userspace program rebooting the system (if provided) |
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* |
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* Resets the SoC. For @cmd, see the 'reboot' syscall in |
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* kernel/sys.c. No return value. |
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* |
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* NOTE: Warm reset does not seem to work, may require resetting |
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* clocks to bypass mode. |
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*/ |
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void ti81xx_restart(enum reboot_mode mode, const char *cmd) |
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{ |
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omap2_prm_set_mod_reg_bits(TI81XX_GLOBAL_RST_COLD, 0, |
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TI81XX_PRM_DEVICE_RSTCTRL); |
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while (1); |
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}
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