[U-Boot-Users] RFC: do_reset for MCF5329/MCF537x

[Liew Tsi Chung]

Wolfgang,

	Done! It is in the u-boot-coldfire.

Regards,
TsiChung

-----Original Message-----
From: u-boot-users-bounces at lists.sourceforge.net
[mailto:u-boot-users-bounces at lists.sourceforge.net] On Behalf Of
w.wegner at astro-kom.de
Sent: Friday, October 26, 2007 10:39 AM
To: u-boot-users at lists.sourceforge.net
Subject: [U-Boot-Users] RFC: do_reset for MCF5329/MCF537x

Hi list,

I just noticed a problem in the current git tree for Coldfire
MCF532x/537x.

The function do_reset relies on the watchdog, which is not available if
it is switched off.

Is there any objection against using the soft reset of the reset control
module like this? (The bits are currently not defined in the header
files, but of course could be added for readability.)

int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char
*argv[]) { 
        volatile ccm_t *ccmp = (ccm_t *) (MMAP_CCM);

        ccmp->rstctrl = 0xc0; /* MCF_RCM_RCR_SOFTRST |
MCF_RCM_RCR_FRCRSTOUT */

        /* we don't return! */
        return 0;
};

Best regards,
Wolfgang


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