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authorPeng Fan <van.freenix@gmail.com>2016-06-15 06:18:39 (GMT)
committerStefano Babic <sbabic@denx.de>2016-06-18 08:29:18 (GMT)
commit0d7cdc2abfc34125f0bc85f864d285f06675290a (patch)
treed21aed7f16ec462bb38d5aaafc7d420051143a59 /board
parent288683280f18b267615d9afa86e1378727fe3405 (diff)
downloadu-boot-0d7cdc2abfc34125f0bc85f864d285f06675290a.tar.xz
imx: mx6ulevk: change QSPI PAD DSE to 120ohm
The current pad DSE for QSPI is 60ohm. This setting cause too strong drive to clock and data signals. Need to change the DSE to 120ohm for better signal quality. Signed-off-by: Peng Fan <peng.fan@nxp.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Fabio Estevam <fabio.estevam@nxp.com> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Diffstat (limited to 'board')
-rw-r--r--board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c
index 112e6ab..92c9211 100644
--- a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c
+++ b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c
@@ -303,7 +303,7 @@ static void setup_iomux_uart(void)
#define QSPI_PAD_CTRL1 \
(PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \
- PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_60ohm)
+ PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_120ohm)
static iomux_v3_cfg_t const quadspi_pads[] = {
MX6_PAD_NAND_WP_B__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),