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rockchip: rk3036 sdram setting cs1_row when rank larger than 1 

only rank large than 1, we will use cs1_row, so check rank, when
rank larger than 1, we set the cs1_row.

Signed-off-by: Lin Huang <hl@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
huang lin 2015-12-07 11:08:56 +08:00 committed by Simon Glass
parent f4a8a1757b
commit e390680015
1 changed files with 5 additions and 1 deletions
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6
arch/arm/mach-rockchip/rk3036/sdram_rk3036.c
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@ -701,15 +701,19 @@ finish:
static void sdram_all_config(struct rk3036_sdram_priv *priv)
{
u32 os_reg = 0;
u32 cs1_row = 0;
struct rk3036_ddr_config config = priv->ddr_config;
if (config.rank > 1)
cs1_row = config.cs1_row - 13;
os_reg = config.ddr_type << DDR_TYPE_SHIFT |
0 << DDR_CHN_CNT_SHIFT |
(config.rank - 1) << DDR_RANK_CNT_SHIFT |
(config.col - 1) << DDR_COL_SHIFT |
(config.bank == 3 ? 0 : 1) << DDR_BANK_SHIFT |
(config.cs0_row - 13) << DDR_CS0_ROW_SHIFT |
(config.cs1_row - 13) << DDR_CS1_ROW_SHIFT |
cs1_row << DDR_CS1_ROW_SHIFT |
1 << DDR_BW_SHIFT | config.bw << DDR_DIE_BW_SHIFT;
writel(os_reg, &priv->grf->os_reg[1]);
}