[U-Boot] dual port RAM size in MPC8272 family processor

[Scott Wood]

On Tue, Apr 27, 2010 at 10:44:23AM +0200, Faustino Frechilla wrote:
>   79 /* Dual Port RAM addresses.  The first 16K is available for almost
>   80  * any CPM use, so we put the BDs there.  The first 128 bytes are
>   81  * used for SMC1 and SMC2 parameter RAM, so we start allocating
>   82  * BDs above that.  All of this must change when we start
>   83  * downloading RAM microcode.
>   84  */
>   85 #define CPM_DATAONLY_BASE       ((uint)128)
>   86 #define CPM_DP_NOSPACE          ((uint)0x7fffffff)
>   87 #ifndef CONFIG_MPC8272_FAMILY
>   88 #define CPM_DATAONLY_SIZE       ((uint)(8 * 1024) - CPM_DATAONLY_BASE)
>   89 #define CPM_FCC_SPECIAL_BASE    ((uint)0x0000b000)
>   90 #else  /* 8247/48/71/72 */
>   91 #define CPM_DATAONLY_SIZE       ((uint)(4 * 1024) - CPM_DATAONLY_BASE)
>   92 #define CPM_FCC_SPECIAL_BASE    ((uint)0x00009000)
>   93 #endif /* !CONFIG_MPC8272_FAMILY */
> 
> I needed to allocate exactly 4*1024 bytes but, as it is decribed in
> that file, the maximum allowed memory is (4*1024) - 128 for
> MPC8272_FAMILY processors

Looks like it should have been s/1024/2048/ in both cases (8 contiguous 2K banks on
8260, 4 contiguous 2K banks on 8272).

-Scott