[U-Boot] [PATCH 5/9] mx23evk: Disable the internal pad keepers
Fabio Estevam
festevam at gmail.com
Wed May 1 23:44:45 CEST 2013
From: Fabio Estevam <fabio.estevam at 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 at freescale.com>
---
board/freescale/mx23evk/spl_boot.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/board/freescale/mx23evk/spl_boot.c b/board/freescale/mx23evk/spl_boot.c
index 035a29c..143aaed 100644
--- a/board/freescale/mx23evk/spl_boot.c
+++ b/board/freescale/mx23evk/spl_boot.c
@@ -120,5 +120,9 @@ 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
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