> When running Linux on a mx28evk and issuing a 'reboot'command the following
> behaviour is observed:
>
> root@freescale /$ reboot
> starting pid 329, tty '': '/etc/rc.d/rcS stop'
> root@freescale /$ Stopping inetd:
> Terminated
> Unmounting filesystems
> umount: tmpfs busy - remounted read-only
> chown: /home/user/.rhosts: Read-only file system
> chown: /home/user: Read-only file system
> chown: /home/user: Read-only file system
> cat: can't open '/proc/devices': No such file or directory
> The system is going down NOW!
> Sent SIGTERM to all processes
> Sent SIGKILL to all processes
> Requesting system reboot
> [ 24.240000] Restarting system.
>
> U-Boot 2011.12-06887-g586ab2f-dirty (Jan 24 2012 - 12:58:50)
>
> Freescale i.MX28 family
> DRAM: 0
>
> , and then U-boot hangs.
>
> Calling mx28_power_init() prior to mxs_iomux_setup_multiple_pads() fixes
> the problem and make U-boot to re-start succesfully.
>
> Signed-off-by: Fabio Estevam <fabio.este...@freescale.com>
> ---
> This patch fixes the reboot issue, but I am not able to provide a good
> explanation for it, so I am marking it as RFC.
>
> arch/arm/cpu/arm926ejs/mx28/spl_boot.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/cpu/arm926ejs/mx28/spl_boot.c
> b/arch/arm/cpu/arm926ejs/mx28/spl_boot.c index dfb8309..0e57252 100644
> --- a/arch/arm/cpu/arm926ejs/mx28/spl_boot.c
> +++ b/arch/arm/cpu/arm926ejs/mx28/spl_boot.c
> @@ -49,8 +49,8 @@ void early_delay(int delay)
> void mx28_common_spl_init(const iomux_cfg_t *iomux_setup,
> const unsigned int iomux_size)
> {
> - mxs_iomux_setup_multiple_pads(iomux_setup, iomux_size);
> mx28_power_init();
> + mxs_iomux_setup_multiple_pads(iomux_setup, iomux_size);
> mx28_mem_init();
> mx28_power_wait_pswitch();
> }
Can you explain why this patch fixes anything ? It's hard to understand why
doing this would fix it.
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
