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| author | Schuyler Patton <spatton@ti.com> | 2016-04-08 16:53:44 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-04-18 17:11:32 -0400 |
| commit | 5f405e7fa0c4baf4cc57a82d2fcddb86789cfaed (patch) | |
| tree | 3c2caa16843be6bba3e92e2efa7b7e6d3146f326 | |
| parent | 7e52e11f3537809e48a6e337c392a1289a692061 (diff) | |
| download | u-boot-imx-5f405e7fa0c4baf4cc57a82d2fcddb86789cfaed.zip u-boot-imx-5f405e7fa0c4baf4cc57a82d2fcddb86789cfaed.tar.gz u-boot-imx-5f405e7fa0c4baf4cc57a82d2fcddb86789cfaed.tar.bz2 | |
board: ti: am57xx: Update EMIF SDRAM 1 and 3 Timings
Update EMIF data based on recommendations from the now standard TI
EMIF tool version 1.1.1 based on 256MBx16 DDR3L Kingston D2516EC4BXGGB
data sheet
Update T_RRD from 5 to 6 based on AM57xx TRM -
Minimum number of DDR cycles from activate to ativate for a different
bank, minus 1.
Update T_CKESR from 4 to 3 based on AM57xx TRM - Minimum number of DDR
clocks cycles for which SDRAM must remain in self refresh, minus 1.
Signed-off-by: Schuyler Patton <spatton@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
| -rw-r--r-- | board/ti/am57xx/board.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/board/ti/am57xx/board.c b/board/ti/am57xx/board.c index a5f02e6..02925f6 100644 --- a/board/ti/am57xx/board.c +++ b/board/ti/am57xx/board.c @@ -131,9 +131,9 @@ static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs = { .sdram_config2 = 0x08000000, .ref_ctrl = 0x000040F1, .ref_ctrl_final = 0x00001035, - .sdram_tim1 = 0xcccf36ab, + .sdram_tim1 = 0xcccf36b3, .sdram_tim2 = 0x308f7fda, - .sdram_tim3 = 0x409f88a8, + .sdram_tim3 = 0x407f88a8, .read_idle_ctrl = 0x00050000, .zq_config = 0x5007190b, .temp_alert_config = 0x00000000, |