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ARM: mx6: ddr: Configure all SDQS pullups using loop

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Instead of explicitly setting up each SDQS register, use a loop.
No functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Eric Nelson <eric@nelint.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Reviewed-by: Eric Nelson <eric@nelint.com>
This commit is contained in:
Marek Vasut 2019-11-26 09:34:51 +01:00 committed by Stefano Babic
parent 7ec0e39ec4
commit b314003fda
1 changed files with 7 additions and 18 deletions
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25
arch/arm/mach-imx/mx6/ddr.c
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@ -249,25 +249,14 @@ static void mmdc_set_sdqs(bool set)
{
struct mx6dq_iomux_ddr_regs *mx6_ddr_iomux =
(struct mx6dq_iomux_ddr_regs *)MX6DQ_IOM_DDR_BASE;
u32 sdqs = (u32)(&mx6_ddr_iomux->dram_sdqs0);
int i;
if (set) {
setbits_le32(&mx6_ddr_iomux->dram_sdqs0, 0x7000);
setbits_le32(&mx6_ddr_iomux->dram_sdqs1, 0x7000);
setbits_le32(&mx6_ddr_iomux->dram_sdqs2, 0x7000);
setbits_le32(&mx6_ddr_iomux->dram_sdqs3, 0x7000);
setbits_le32(&mx6_ddr_iomux->dram_sdqs4, 0x7000);
setbits_le32(&mx6_ddr_iomux->dram_sdqs5, 0x7000);
setbits_le32(&mx6_ddr_iomux->dram_sdqs6, 0x7000);
setbits_le32(&mx6_ddr_iomux->dram_sdqs7, 0x7000);
} else {
clrbits_le32(&mx6_ddr_iomux->dram_sdqs0, 0x7000);
clrbits_le32(&mx6_ddr_iomux->dram_sdqs1, 0x7000);
clrbits_le32(&mx6_ddr_iomux->dram_sdqs2, 0x7000);
clrbits_le32(&mx6_ddr_iomux->dram_sdqs3, 0x7000);
clrbits_le32(&mx6_ddr_iomux->dram_sdqs4, 0x7000);
clrbits_le32(&mx6_ddr_iomux->dram_sdqs5, 0x7000);
clrbits_le32(&mx6_ddr_iomux->dram_sdqs6, 0x7000);
clrbits_le32(&mx6_ddr_iomux->dram_sdqs7, 0x7000);
for (i = 0; i < 8; i++) {
if (set)
setbits_le32(sdqs + (4 * i), 0x7000);
else
clrbits_le32(sdqs + (4 * i), 0x7000);
}
}