diff options
| author | Sekhar Nori <nsekhar@ti.com> | 2017-06-02 12:37:12 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-06-09 15:24:01 (GMT) |
| commit | 264e420f365cd673a0076adfcb975ead7139aedc (patch) | |
| tree | 1d8b00fb66eb811ec767484f7e11ee7bb242b6f8 /include/configs | |
| parent | 314f6362c47c8e43b1fd216fcf1dbed355608b05 (diff) | |
| download | u-boot-264e420f365cd673a0076adfcb975ead7139aedc.tar.xz | |
davinci: omapl138_lcdk: fix tXSNR DDR2 timing value
As per the datasheet[1] available for DDR2 part on board
the OMAP-L138 LCDK, the tXSNR (exit self refresh to a
non-read command) is 137.5 ns. This corresponds to a
value of 20 to be written to T_XSNR register field of
OMAP-L138's DDR configuration. The DDR2 is at 150 MHz.
Fix this. The correct value also appears on the initialization
scripts (called CCS GEL files) available on TI's wiki pages[2]
[1] http://www.samsung.com/global/business/semiconductor/file/product/ds_k4t1gxx4qf_rev12-0.pdf
[2] http://processors.wiki.ti.com/index.php/L138/C6748_Development_Kit_(LCDK)#CCS_XML_.26_GEL_Files
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'include/configs')
| -rw-r--r-- | include/configs/omapl138_lcdk.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/configs/omapl138_lcdk.h b/include/configs/omapl138_lcdk.h index 0a8096c..5f11895 100644 --- a/include/configs/omapl138_lcdk.h +++ b/include/configs/omapl138_lcdk.h @@ -110,7 +110,7 @@ (7 << DV_DDR_SDTMR2_RASMAX_SHIFT) | \ (2 << DV_DDR_SDTMR2_XP_SHIFT) | \ (0 << DV_DDR_SDTMR2_ODT_SHIFT) | \ - (10 << DV_DDR_SDTMR2_XSNR_SHIFT) | \ + (20 << DV_DDR_SDTMR2_XSNR_SHIFT) | \ (199 << DV_DDR_SDTMR2_XSRD_SHIFT) | \ (1 << DV_DDR_SDTMR2_RTP_SHIFT) | \ (2 << DV_DDR_SDTMR2_CKE_SHIFT)) |