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ARM: zynq: slcr: Dont modify the reserved bits

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Set only the 0-3 bits of the FPGA_RST_CTRL register
as other bits should not be set to 1.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Nathan Rossi <nathan.rossi@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Siva Durga Prasad Paladugu 2014-10-28 11:22:19 +05:30 committed by Michal Simek
parent 3ad87ca182
commit f60c6fbbc6
1 changed files with 1 additions and 1 deletions
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arch/arm/cpu/armv7/zynq/slcr.c
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@ -132,7 +132,7 @@ void zynq_slcr_devcfg_disable(void)
zynq_slcr_unlock();
/* Disable AXI interface by asserting FPGA resets */
writel(0xFFFFFFFF, &slcr_base->fpga_rst_ctrl);
writel(0xF, &slcr_base->fpga_rst_ctrl);
/* Set Level Shifters DT618760 */
writel(0xA, &slcr_base->lvl_shftr_en);