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ARM: mvebu: a38x: restore support for setting timing

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This restores support for configuring the timing mode based on the
ddr_topology. This was originally implemented in commit 90bcc3d38d
("driver/ddr: Add support for setting timing in hws_topology_map") but
was removed as part of the upstream sync.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Chris Packham 2018-05-10 13:28:30 +12:00 • committed by Stefan Roese
parent 2b4ffbf6b4
commit e6f61622d3
9 changed files with 29 additions and 11 deletions
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5
drivers/ddr/marvell/a38x/mv_ddr_plat.c
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@ -674,11 +674,6 @@ static int mv_ddr_sw_db_init(u32 dev_num, u32 board_id)
dfs_low_freq = DFS_LOW_FREQ_VALUE;
calibration_update_control = 1;
#ifdef CONFIG_ARMADA_38X
/* For a38x only, change to 2T mode to resolve low freq instability */
mode_2t = 1;
#endif
ddr3_tip_a38x_get_medium_freq(dev_num, &medium_freq);
return MV_OK;