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| author | Marek Vasut <marex@denx.de> | 2015-08-01 20:12:31 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2015-08-08 14:14:26 +0200 |
| commit | ad2ba5d60774172c0651d6ed5e2e889251ed0d32 (patch) | |
| tree | ba09e4170bbacc98996078dbc576cce666f69ebe /drivers/ddr/altera | |
| parent | a5ba9296710522d1916795a81074cf9d6659d7a0 (diff) | |
| download | u-boot-imx-ad2ba5d60774172c0651d6ed5e2e889251ed0d32.zip u-boot-imx-ad2ba5d60774172c0651d6ed5e2e889251ed0d32.tar.gz u-boot-imx-ad2ba5d60774172c0651d6ed5e2e889251ed0d32.tar.bz2 | |
ddr: altera: sdram: Clean up set_sdr_mp_pacing()
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>
Diffstat (limited to 'drivers/ddr/altera')
| -rw-r--r-- | drivers/ddr/altera/sdram.c | 37 |
1 files changed, 16 insertions, 21 deletions
diff --git a/drivers/ddr/altera/sdram.c b/drivers/ddr/altera/sdram.c index f324805..e41815b 100644 --- a/drivers/ddr/altera/sdram.c +++ b/drivers/ddr/altera/sdram.c @@ -441,31 +441,26 @@ static void set_sdr_mp_weight(void) static void set_sdr_mp_pacing(void) { - debug("Configuring MPPACING_MPPACING_0\n"); - clrsetbits_le32(&sdr_ctrl->mp_pacing0, - SDR_CTRLGRP_MPPACING_MPPACING_0_THRESHOLD1_31_0_MASK, - CONFIG_HPS_SDR_CTRLCFG_MPPACING_0_THRESHOLD1_31_0 << + const u32 mp_pacing0 = + (CONFIG_HPS_SDR_CTRLCFG_MPPACING_0_THRESHOLD1_31_0 << SDR_CTRLGRP_MPPACING_MPPACING_0_THRESHOLD1_31_0_LSB); - - clrsetbits_le32(&sdr_ctrl->mp_pacing1, - SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD1_59_32_MASK, - CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD1_59_32 << - SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD1_59_32_LSB); - - clrsetbits_le32(&sdr_ctrl->mp_pacing1, - SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD2_3_0_MASK, - CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD2_3_0 << + const u32 mp_pacing1 = + (CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD1_59_32 << + SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD1_59_32_LSB) | + (CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD2_3_0 << SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD2_3_0_LSB); - - clrsetbits_le32(&sdr_ctrl->mp_pacing2, - SDR_CTRLGRP_MPPACING_MPPACING_2_THRESHOLD2_35_4_MASK, - CONFIG_HPS_SDR_CTRLCFG_MPPACING_2_THRESHOLD2_35_4 << + const u32 mp_pacing2 = + (CONFIG_HPS_SDR_CTRLCFG_MPPACING_2_THRESHOLD2_35_4 << SDR_CTRLGRP_MPPACING_MPPACING_2_THRESHOLD2_35_4_LSB); - - clrsetbits_le32(&sdr_ctrl->mp_pacing3, - SDR_CTRLGRP_MPPACING_MPPACING_3_THRESHOLD2_59_36_MASK, - CONFIG_HPS_SDR_CTRLCFG_MPPACING_3_THRESHOLD2_59_36 << + const u32 mp_pacing3 = + (CONFIG_HPS_SDR_CTRLCFG_MPPACING_3_THRESHOLD2_59_36 << SDR_CTRLGRP_MPPACING_MPPACING_3_THRESHOLD2_59_36_LSB); + + debug("Configuring MPPACING_MPPACING_0\n"); + writel(mp_pacing0, &sdr_ctrl->mp_pacing0); + writel(mp_pacing1, &sdr_ctrl->mp_pacing1); + writel(mp_pacing2, &sdr_ctrl->mp_pacing2); + writel(mp_pacing3, &sdr_ctrl->mp_pacing3); } static void set_sdr_mp_threshold(void) |