reboot of mpc8270 sometimes fails
Theo Gjaltema
gjalt007 at chello.nl
Tue Dec 4 19:42:26 EST 2007
Index: m8260_setup.c
===================================================================
RCS file: /home/.dbCVS_linux/kernel_2_4_25/arch/ppc/kernel/m8260_setup.c,v
retrieving revision 1.1.1.2
retrieving revision 1.2
diff -c -r1.1.1.2 -r1.2
*** m8260_setup.c 2006/11/17 07:58:49 1.1.1.2
--- m8260_setup.c 2007/10/08 07:53:54 1.2
***************
*** 148,154 ****
--- 148,164 ----
if (!strncmp(cmd, "startaddr=", 10))
startaddr = simple_strtoul(&cmd[10], NULL, 0);
}
+ #if defined (CONFIG_8260)
+ {
+ #include <asm-ppc/cpm_8260.h>
+ volatile cpm8260_t *cp = &((immap_t *)IMAP_ADDR)->im_cpm;
+ cp->cp_cpcr = (CPM_CR_RST | CPM_CR_FLG); /* see page 14.17 $14.4.2 of the CPM manual */
+
+ while (cp->cp_cpcr & CPM_CR_FLG); /* Wait for it (should be 2 clocks). */
+
+ }
+ #endif
m8260_gorom((unsigned int)__pa(__res), startaddr);
}
lobo fan schreef:
> Hi Theo,
> Could you please give me the patch? I am very interested in your patch.
>
> --
> Thanks.
>
> Best Regards,
> Lobo
> ------------------------------------------------------------------------
>
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