* Felipe Balbi <[email protected]> [150113 17:28]: > On Tue, Jan 13, 2015 at 03:13:56PM -0800, Tony Lindgren wrote: > > + > > +#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. > > + */ > > +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); > > do you need to check that mode == REBOOT_COLD here ?
Looks like not, trying to use the warm reset bit does not seem to do anything and probably requires manually resetting clocks into bypass mode or something. I'll just add a comment about that. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
