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[U-Boot,v2] ARM: mx6: Enable ARM errata workaround for 845369

Message ID 1428343690-14429-1-git-send-email-nitin.garg@freescale.com
State Changes Requested
Delegated to: Stefano Babic
Headers show

Commit Message

Nitin Garg April 6, 2015, 6:08 p.m. UTC 
From: Nitin Garg <nitin.garg@freescale.com>

Since MX6 is Cortex-A9 r2p10, enable software workaround
for errata 845369. The ARM errata 751472, 794072, 761320,
845369 only applied to the following configuration:

This erratum affects configurations with either:
  - One processor if the ACP is present
  - Two or more processors

i.MX6 family does not have the ACP and thus only the MPCore
system will be impacted, which are the i.MX6DQ, i.MX6DL.

Signed-off-by: Nitin Garg <nitin.garg@freescale.com>

---

Changes in v2:
Apply 751472, 794072, 761320, 845369 to i.MX6DQ, i.MX6DL
only.

 include/configs/mx6_common.h |    4 ++++
 1 file changed, 4 insertions(+)

Comments

Fabio Estevam April 6, 2015, 6:21 p.m. UTC | #1 
Hi Nitin,

On Mon, Apr 6, 2015 at 3:08 PM,  <nitin.garg@freescale.com> wrote:

>  #define CONFIG_ARM_ERRATA_743622
> +#if (defined(CONFIG_MX6Q) || defined(CONFIG_MX6DL) ||\
> +defined(CONFIG_MX6QDL)) && !defined(CONFIG_MX6S)
>  #define CONFIG_ARM_ERRATA_751472
>  #define CONFIG_ARM_ERRATA_794072
>  #define CONFIG_ARM_ERRATA_761320
> +#define CONFIG_ARM_ERRATA_845369
> +#endif
>  #define CONFIG_BOARD_POSTCLK_INIT

This patch should be split in two:

- One that only applies the existing errata to multi-core

- One that adds CONFIG_ARM_ERRATA_845369.

Also, I would expect to see this patch as part of a series that
introduces CONFIG_ARM_ERRATA_845369.

Regards,

Fabio Estevam
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Patch

diff --git a/include/configs/mx6_common.h b/include/configs/mx6_common.h
index e0528ce..cc6b03e 100644
--- a/include/configs/mx6_common.h
+++ b/include/configs/mx6_common.h
@@ -18,9 +18,13 @@ 
 #define __MX6_COMMON_H
 
 #define CONFIG_ARM_ERRATA_743622
+#if (defined(CONFIG_MX6Q) || defined(CONFIG_MX6DL) ||\
+defined(CONFIG_MX6QDL)) && !defined(CONFIG_MX6S)
 #define CONFIG_ARM_ERRATA_751472
 #define CONFIG_ARM_ERRATA_794072
 #define CONFIG_ARM_ERRATA_761320
+#define CONFIG_ARM_ERRATA_845369
+#endif
 #define CONFIG_BOARD_POSTCLK_INIT
 
 #ifndef CONFIG_SYS_L2CACHE_OFF