[U-Boot] u-boot on beagleboard finds incorrect memory size.

[Tom Rini]

On Thu, Jan 26, 2012 at 12:35 PM, wilsonjonathan
<piercing_male at hotmail.com> wrote:
> On Thu, 2012-01-26 at 12:28 -0700, Tom Rini wrote:
>> On Thu, Jan 26, 2012 at 12:14 PM, wilsonjonathan
>> <piercing_male at hotmail.com> wrote:
>> > On Thu, 2012-01-26 at 10:08 -0700, Tom Rini wrote:
>> >> On Wed, Jan 25, 2012 at 1:06 PM, wilsonjonathan
>> >> <piercing_male at hotmail.com> wrote:
>> >> > The u-boot loader is showing an incorrect size in the memory, and
>> >> > passing the invalid information to the kernel.
>> >>
>> >> What revision of the board do you have?  Is this a 'classic' rev C4?  Thanks.
>> >>
>> > As far as I'm aware yes, standard C4 from digikey.
>> >
>> > I've done a little more searching, and found that adding #define DEBUG
>> > to /arc/arm/lib/board.c brings up more detailed info.
>>
>> I will re-confirm with mine then.  Previous versions of U-Boot/MLO
>> report how much memory, 512MB?
>>
>
> I don't have an older version to hand, but according to the specs it
> should be 256MB using a 2Gb MDDR SDRAM and I seem to recall it did
> display that.

OK, thanks.  Does the following fix it for you?

diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
index 5c04b34..1efdbb0 100644
--- a/board/ti/beagle/beagle.c
+++ b/board/ti/beagle/beagle.c
@@ -161,7 +161,7 @@ void get_board_mem_timings(u32 *mcfg, u32 *ctrla,
u32 *ctrlb, u32 *rfr_ctrl,
 	case REVISION_C4:
 		if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) {
 			/* 512MB DDR */
-			*mcfg = NUMONYX_V_MCFG_165(512 << 20);
+			*mcfg = NUMONYX_V_MCFG_165(256 << 20);
 			*ctrla = NUMONYX_V_ACTIMA_165;
 			*ctrlb = NUMONYX_V_ACTIMB_165;
 			*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;

-- 
Tom