diff options
| author | Ye.Li <B37916@freescale.com> | 2015-07-02 17:40:56 +0800 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2016-03-09 14:42:41 +0100 |
| commit | 37e4e84791193fc575f172af52af03e45e58a3d2 (patch) | |
| tree | 6c24775e2b168e618a59b3ef0ff7e3d01f70cebc | |
| parent | 4f41f595577b5cc2d5899ef0e04c92d2827e96f7 (diff) | |
MLK-11217 imx: mx6ul: Modify QSPI PAD DSE to 120ohm
The current pad DSE for QSPI is 60ohm. Per hardware team measurement,
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: Ye.Li <B37916@freescale.com>
3 files changed, 3 insertions, 3 deletions
diff --git a/board/freescale/mx6ul_14x14_ddr3_arm2/mx6ul_14x14_ddr3_arm2.c b/board/freescale/mx6ul_14x14_ddr3_arm2/mx6ul_14x14_ddr3_arm2.c index 057a580c06..f5b8fc6d0b 100644 --- a/board/freescale/mx6ul_14x14_ddr3_arm2/mx6ul_14x14_ddr3_arm2.c +++ b/board/freescale/mx6ul_14x14_ddr3_arm2/mx6ul_14x14_ddr3_arm2.c @@ -418,7 +418,7 @@ 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), diff --git a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c index b9d691a92b..aaca883e2a 100644 --- a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c +++ b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c @@ -426,7 +426,7 @@ 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), diff --git a/board/freescale/mx6ul_14x14_lpddr2_arm2/mx6ul_14x14_lpddr2_arm2.c b/board/freescale/mx6ul_14x14_lpddr2_arm2/mx6ul_14x14_lpddr2_arm2.c index ea145f3b44..251364d669 100644 --- a/board/freescale/mx6ul_14x14_lpddr2_arm2/mx6ul_14x14_lpddr2_arm2.c +++ b/board/freescale/mx6ul_14x14_lpddr2_arm2/mx6ul_14x14_lpddr2_arm2.c @@ -397,7 +397,7 @@ 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), |