[U-Boot] [PATCH 13/15] New board support: Nokia RX-51 aka N900

Tom Rini tom.rini at gmail.com
Tue Jan 10 15:53:40 CET 2012


On Tue, Jan 10, 2012 at 6:14 AM, Pali Rohár <pali.rohar at gmail.com> wrote:
> On Tuesday 03 January 2012 09:05:17 Tom Rini wrote:
>> On Sun, Dec 18, 2011 at 2:34 PM, Pali Rohár <pali.rohar at gmail.com> wrote:
>> > This board definition results in a u-boot.bin which can be chainloaded
>> > from NOLO in qemu or on a real N900. It does very little hardware config
>> > because NOLO has already configured the board. Only needed is enabling
>> > internal eMMC memory via twl4030 regulator which is not enabled by NOLO.
[snip]
>> [snip]
>>
>> > +/*
>> > + * High Level Configuration Options
>> > + */
>> > +
>> > +#define CONFIG_ARMV7                   /* This is an ARM V7 CPU core */
>>
>> This isn't used.
>>
>> > +#define CONFIG_L2_OFF                  /* kernel won't boot if l2 enabled
>> > */
>> This isn't correct for disabling L2 now and doesn't do anything.  So
>> L2 is probably enabled :)
>
> and #define CONFIG_SYS_L2CACHE_OFF is correct?

Yes.

[snip]
>> > +/*-----------------------------------------------------------------------
>> > + * Physical Memory Map
>> > + */
>> > +#define CONFIG_NR_DRAM_BANKS           2 /* CS1 may or may not be
>> > populated */ +#define PHYS_SDRAM_1                   OMAP34XX_SDRC_CS0
>> > +#define PHYS_SDRAM_2                   OMAP34XX_SDRC_CS1
>> > +
>> > +/* SDRAM Bank Allocation method */
>> > +#define SDRC_R_B_C                     1
>>
>> And I'm not sure if any of these are really needed now.
>>
>
> When I deleted this code, I cannot compile U-Boot. Here is error message:
> include/asm/u-boot.h:48:17: error: ‘CONFIG_NR_DRAM_BANKS’ undeclared here (not
> in a function)

I just meant the SDRC_R_B_C part, sorry.

-- 
Tom


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