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rockchip: rk3399: enable CA training when do ddr dfs 

For ddr dfs stable, We need to enable ddr CA training
when do ddr dfs.

Signed-off-by: Lin Huang <hl@rock-chips.com>
This commit is contained in:
Lin Huang 2016-12-16 13:59:07 +08:00 committed by Xing Zheng
parent c6e15d1437
commit 46b9dbce2f
1 changed files with 1 additions and 0 deletions
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1
plat/rockchip/rk3399/drivers/dram/dfs.c
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@ -1017,6 +1017,7 @@ static void gen_rk3399_enable_training(uint32_t ch_cnt, uint32_t nmhz)
for (i = 0; i < ch_cnt; i++) {
mmio_clrsetbits_32(CTL_REG(i, 305), 1 << 16, tmp << 16);
mmio_clrsetbits_32(CTL_REG(i, 71), 1, tmp);
mmio_clrsetbits_32(CTL_REG(i, 70), 1 << 8, 1 << 8);
}
}