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(parent: 2413975) | patch
imx: mx6: ddr correct tRFC and tXS
authorPeng Fan <Peng.Fan@freescale.com>
Mon, 17 Aug 2015 08:10:59 +0000 (16:10 +0800)
committerStefano Babic <sbabic@denx.de>
Wed, 2 Sep 2015 13:34:12 +0000 (15:34 +0200)
commit2cd8cd06bb01f220f75d937f0371f591712f0295
tree8a73be24fb0f8d1d6300090c357c3958810b659etree | snapshot
parent24139754f55e11a41bd90d0c8064a79228b573a3commit | diff
imx: mx6: ddr correct tRFC and tXS

To Chip density 4Gb, tRFC should be 300ns, see
"Table 61 — Refresh parameters by device density" of JESD79-3E.
tXS(min) is max(5nCK, tRFC(min) + 10ns).

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
arch/arm/cpu/armv7/mx6/ddr.c diff | blob | history
Cloned from git://git.denx.de/u-boot.git