[PATCH] ARM: AM33xx: add support for reboot

[Hiremath, Vaibhav]

On Mon, Oct 29, 2012 at 15:19:21, Daniel Mack wrote:
> On 29.10.2012 05:31, Hiremath, Vaibhav wrote:
> > On Sun, Oct 28, 2012 at 23:47:55, Daniel Mack wrote:
> >> This patch adds the ability to reboot am33xx-based systems.
> >>
> >> Signed-off-by: Daniel Mack <zonque at gmail.com>
> >> ---
> >>  arch/arm/mach-omap2/board-generic.c | 1 +
> >>  arch/arm/mach-omap2/prcm.c          | 6 ++++++
> >>  2 files changed, 7 insertions(+)
> >>
> >> diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
> >> index 601ecdf..6a69ceb 100644
> >> --- a/arch/arm/mach-omap2/board-generic.c
> >> +++ b/arch/arm/mach-omap2/board-generic.c
> >> @@ -114,6 +114,7 @@ DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
> >>  	.init_machine	= omap_generic_init,
> >>  	.timer		= &omap3_am33xx_timer,
> >>  	.dt_compat	= am33xx_boards_compat,
> >> +	.restart	= omap_prcm_restart,
> >>  MACHINE_END
> >>  #endif
> >>  
> >> diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
> >> index 0f51e03..8a3068a 100644
> >> --- a/arch/arm/mach-omap2/prcm.c
> >> +++ b/arch/arm/mach-omap2/prcm.c
> >> @@ -32,6 +32,7 @@
> >>  #include "clock2xxx.h"
> >>  #include "cm2xxx_3xxx.h"
> >>  #include "prm2xxx_3xxx.h"
> >> +#include "prm33xx.h"
> >>  #include "prm44xx.h"
> >>  #include "prminst44xx.h"
> >>  #include "cminst44xx.h"
> >> @@ -72,6 +73,11 @@ void omap_prcm_restart(char mode, const char *cmd)
> >>  		omap3_ctrl_write_boot_mode((cmd ? (u8)*cmd : 0));
> >>  	} else if (cpu_is_omap44xx()) {
> >>  		omap4_prminst_global_warm_sw_reset(); /* never returns */
> >> +	} else if (soc_is_am33xx()) {
> >> +		prcm_offs = AM33XX_PRM_DEVICE_MOD;
> >> +		omap2_prm_set_mod_reg_bits(OMAP4430_RST_GLOBAL_COLD_SW_MASK,
> >> +					   prcm_offs,
> >> +					   AM33XX_PRM_RSTCTRL_OFFSET);
> > 
> > This is not clean way of handling it, we should have something similar to 
> > omap4. Also we should use warm-reset here instead of cold.
> > 
> > I have quickly created patch, can you please review and test is?
> > I have tested it on AM335x EVM and Bone platform.
> 
> Works for me as well, thanks!
> 
> You can take my
> 
>   Tested-by: Daniel Mack <zonque at gmail.com>
> 

Thanks Daniel for confirming. I will send out this patch ASAP with your 
tested by.

Thanks,
Vaibhav