leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

colibri_vf: adjust timing according to data sheet

Browse Source 
Using the DDR Validation tool in Processor Expert uncovered two
timing inconsistencies. Since those timings are related to the
suspend mode they do not affect or change regular memory behaviour.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@toradex.com>
This commit is contained in:
Stefan Agner 2019-03-25 17:25:10 +01:00 committed by Stefano Babic
parent 2588bf1edc
commit be24fc7807
1 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
board/toradex/colibri_vf/colibri_vf.c
View File

@ -101,15 +101,21 @@ int dram_init(void)
.tras_lockout = 0,
.tdal = 12,
.bstlen = 3,
.tdll = 512,
.tdll = 512, /* not applicable since freq. scaling
* is not used
*/
.trp_ab = 6,
.tref = 3120,
.trfc = 64,
.tref_int = 0,
.tpdex = 3,
.txpdll = 10,
.txsnr = 48,
.txsr = 468,
.txsnr = 68, /* changed to conform to JEDEC
* specifications
*/
.txsr = 506, /* changed to conform to JEDEC
* specifications
*/
.cksrx = 5,
.cksre = 5,
.freq_chg_en = 0,