From: Milan Obuch Date: Mon, 20 Jan 2020 01:33:30 +0000 (-0300) Subject: arm: zynq: zybo z7: fix MIO init issue X-Git-Tag: v2025.01-rc5-pxa1908~2540^2~8 X-Git-Url: http://git.dujemihanovic.xyz/html/index.html?a=commitdiff_plain;h=1a4bf17b0298257b35611453e44f53c72a55f8a7;p=u-boot.git arm: zynq: zybo z7: fix MIO init issue The board has two push button connected to MIO pins 50 and 51, which have a pull-down resistor and are connected to 1.8V when pressed. These two pins are wrongly initialized with internal pull-up enabled so they are reported as 1 all the time with no change when pressed. Disable the internal pull-up to fix the issue. Signed-off-by: Milan Obuch Signed-off-by: Luis Araneda Signed-off-by: Michal Simek --- diff --git a/board/xilinx/zynq/zynq-zybo-z7/ps7_init_gpl.c b/board/xilinx/zynq/zynq-zybo-z7/ps7_init_gpl.c index 7c6bc9fa3f..a376ba574e 100644 --- a/board/xilinx/zynq/zynq-zybo-z7/ps7_init_gpl.c +++ b/board/xilinx/zynq/zynq-zybo-z7/ps7_init_gpl.c @@ -219,8 +219,8 @@ static unsigned long ps7_mio_init_data_3_0[] = { EMIT_MASKWRITE(0xF80007BC, 0x00003F01U, 0x00001201U), EMIT_MASKWRITE(0xF80007C0, 0x00003FFFU, 0x000012E0U), EMIT_MASKWRITE(0xF80007C4, 0x00003FFFU, 0x000012E1U), - EMIT_MASKWRITE(0xF80007C8, 0x00003FFFU, 0x00001200U), - EMIT_MASKWRITE(0xF80007CC, 0x00003FFFU, 0x00001200U), + EMIT_MASKWRITE(0xF80007C8, 0x00003FFFU, 0x00000200U), + EMIT_MASKWRITE(0xF80007CC, 0x00003FFFU, 0x00000200U), EMIT_MASKWRITE(0xF80007D0, 0x00003FFFU, 0x00001280U), EMIT_MASKWRITE(0xF80007D4, 0x00003FFFU, 0x00001280U), EMIT_MASKWRITE(0xF8000830, 0x003F003FU, 0x002F0037U),