[U-Boot] [PATCH v2 02/10] mx23: Document the tRAS lockout setting in memory initialization

Otavio Salvador otavio at ossystems.com.br
Wed Feb 13 22:36:49 CET 2013


On Wed, Feb 13, 2013 at 7:31 PM, Fabio Estevam <festevam at gmail.com> wrote:
> On Wed, Feb 13, 2013 at 7:20 PM, Otavio Salvador
> <otavio at ossystems.com.br> wrote:
>
>>>>  #ifdef CONFIG_MX23
>>>> +     /* Enable tRAS lockout in HW_DRAM_CTL08 ; it must be after all */
>>>
>>> 'After all'?
>>
>> For me it is clear enough; I am not native so it'd be good if a native
>> English speaker could comment on this.
>
> I think you meant to say "it must be the last element".

diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c b/arch/arm/cpu/arm926
index f8392f6..b6a0563 100644
--- a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
+++ b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
@@ -119,6 +119,9 @@ static void initialize_dram_values(void)
                writel(dram_vals[i], MXS_DRAM_BASE + (4 * i));

 #ifdef CONFIG_MX23
+       /* Enable tRAS lockout in HW_DRAM_CTL08 ; it must be the last
+        * element to be set */
        writel((1 << 24), MXS_DRAM_BASE + (4 * 8));
 #endif
 }

What about this?

--
Otavio Salvador                             O.S. Systems
E-mail: otavio at ossystems.com.br  http://www.ossystems.com.br
Mobile: +55 53 9981-7854              http://projetos.ossystems.com.br


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