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ddr: altera: sdram: Clean up set_sdr_mp_weight()

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Get rid of the constant clrsetbits_le32(), instead prepare the whole
content of the register once and write it at the end of the function.

Signed-off-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Marek Vasut 2015-08-01 20:10:23 +02:00
parent 1009e396dd
commit a5ba929671
1 changed files with 16 additions and 21 deletions
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37
drivers/ddr/altera/sdram.c
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@ -417,31 +417,26 @@ static void set_sdr_fifo_cfg(void)
static void set_sdr_mp_weight(void)
{
debug("Configuring MPWEIGHT_MPWEIGHT_0\n");
clrsetbits_le32(&sdr_ctrl->mp_weight0,
SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_0_STATICWEIGHT_31_0_MASK,
CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_0_STATICWEIGHT_31_0 <<
const u32 mp_weight0 =
(CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_0_STATICWEIGHT_31_0 <<
SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_0_STATICWEIGHT_31_0_LSB);
clrsetbits_le32(&sdr_ctrl->mp_weight1,
SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_STATICWEIGHT_49_32_MASK,
CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_STATICWEIGHT_49_32 <<
SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_STATICWEIGHT_49_32_LSB);
clrsetbits_le32(&sdr_ctrl->mp_weight1,
SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_SUMOFWEIGHTS_13_0_MASK,
CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_SUMOFWEIGHT_13_0 <<
const u32 mp_weight1 =
(CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_STATICWEIGHT_49_32 <<
SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_STATICWEIGHT_49_32_LSB) |
(CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_SUMOFWEIGHT_13_0 <<
SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_SUMOFWEIGHTS_13_0_LSB);
clrsetbits_le32(&sdr_ctrl->mp_weight2,
SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_2_SUMOFWEIGHTS_45_14_MASK,
CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_2_SUMOFWEIGHT_45_14 <<
const u32 mp_weight2 =
(CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_2_SUMOFWEIGHT_45_14 <<
SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_2_SUMOFWEIGHTS_45_14_LSB);
clrsetbits_le32(&sdr_ctrl->mp_weight3,
SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_3_SUMOFWEIGHTS_63_46_MASK,
CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_3_SUMOFWEIGHT_63_46 <<
const u32 mp_weight3 =
(CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_3_SUMOFWEIGHT_63_46 <<
SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_3_SUMOFWEIGHTS_63_46_LSB);
debug("Configuring MPWEIGHT_MPWEIGHT_0\n");
writel(mp_weight0, &sdr_ctrl->mp_weight0);
writel(mp_weight1, &sdr_ctrl->mp_weight1);
writel(mp_weight2, &sdr_ctrl->mp_weight2);
writel(mp_weight3, &sdr_ctrl->mp_weight3);
}
static void set_sdr_mp_pacing(void)