[U-Boot] [PATCH 6/9] mx23_olinuxino: Disable the internal pad keepers

Fabio Estevam
2013-05-01T21:44:46Z

From: Fabio Estevam <fabio.estevam@freescale.com>

Disable the internal pad keepers to match the code from FSL bootlets and provide
better stability.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
board/olimex/mx23_olinuxino/spl_boot.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/board/olimex/mx23_olinuxino/spl_boot.c b/board/olimex/mx23_olinuxino/spl_boot.c
index 5a43677..65a9f41 100644
--- a/board/olimex/mx23_olinuxino/spl_boot.c
+++ b/board/olimex/mx23_olinuxino/spl_boot.c
@@ -114,5 +114,9 @@ void board_init_ll(void)
writel(0, &pinctrl->drive13);
writel(0, &pinctrl->drive14);
writel(0, &pinctrl->drive9);
+
+ /* Disable the internal pad keepers */
+ writel(0x3ffff, &pinctrl->pull3);
+
mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));
}
--
1.7.9.5