* [U-Boot-Users] [PATCH] [ads5121] Set ips dividor to 1/4 of csb clock.
@ 2008-01-16 13:11 Grzegorz Bernacki
2008-01-16 15:55 ` John Rigby
0 siblings, 1 reply; 2+ messages in thread
From: Grzegorz Bernacki @ 2008-01-16 13:11 UTC (permalink / raw)
To: u-boot
Previous setting cause ips clock to be out of spec. This bug was found by John
Rigby from Freescale.
Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
diff --git a/include/mpc512x.h b/include/mpc512x.h
index a06b5c6..d1c6fb2 100644
--- a/include/mpc512x.h
+++ b/include/mpc512x.h
@@ -185,7 +185,7 @@
/* SCFR1 System Clock Frequency Register 1
*/
-#define SCFR1_IPS_DIV 0x2
+#define SCFR1_IPS_DIV 0x4
#define SCFR1_IPS_DIV_MASK 0x03800000
#define SCFR1_IPS_DIV_SHIFT 23
--
1.5.2.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [U-Boot-Users] [PATCH] [ads5121] Set ips dividor to 1/4 of csb clock.
2008-01-16 13:11 [U-Boot-Users] [PATCH] [ads5121] Set ips dividor to 1/4 of csb clock Grzegorz Bernacki
@ 2008-01-16 15:55 ` John Rigby
0 siblings, 0 replies; 2+ messages in thread
From: John Rigby @ 2008-01-16 15:55 UTC (permalink / raw)
To: u-boot
Grzegorz,
Sorry I got an update from the hw people today and
the recommended freq for the ips is 66MHz so we
need to change the divider to 0x3. I'm pretty sure this
is final.
John
Grzegorz Bernacki wrote:
> Previous setting cause ips clock to be out of spec. This bug was found by John
> Rigby from Freescale.
>
> Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
>
> diff --git a/include/mpc512x.h b/include/mpc512x.h
> index a06b5c6..d1c6fb2 100644
> --- a/include/mpc512x.h
> +++ b/include/mpc512x.h
> @@ -185,7 +185,7 @@
>
> /* SCFR1 System Clock Frequency Register 1
> */
> -#define SCFR1_IPS_DIV 0x2
> +#define SCFR1_IPS_DIV 0x4
> #define SCFR1_IPS_DIV_MASK 0x03800000
> #define SCFR1_IPS_DIV_SHIFT 23
>
>
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2008-01-16 13:11 [U-Boot-Users] [PATCH] [ads5121] Set ips dividor to 1/4 of csb clock Grzegorz Bernacki
2008-01-16 15:55 ` John Rigby
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