commit 52d82e40b0332119d14f206555863c77b4f5edb3
author Bob Feretich <bob.feretich@rafresearch.com> Thu Feb 24 13:16:44 2011 +0000
committer Albert ARIBAUD <albert.u.boot@aribaud.net> Sun Sep 04 11:36:19 2011 +0200
tree b280b149c3f460133f3c6988412f7c5eedb7468e
parent 0f3d6b06ea06e5b0295e4a8222a25bc95a70c026

OMAP3 Beagle Pin Mux initialization glitch fix

The below patch reverses the order of two segments in the board file.
Output pins need to have their values initialized, before they are
exposed to the logic outside the chip.

Signed-off-by: Bob Feretich <bob.feretich@rafresearch.com>
Cc: Wolfgang Denk <wd@denx.de>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

board/ti/beagle/beagle.c

diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
index ab50514..15d061a 100644
--- a/board/ti/beagle/beagle.c
+++ b/board/ti/beagle/beagle.c
@@ -301,17 +301,17 @@
 	twl4030_power_init();
 	twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
 
-	/* Configure GPIOs to output */
-	writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
-	writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
-		GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
-
-	/* Set GPIOs */
+	/* Set GPIO states before they are made outputs */
 	writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
 		&gpio6_base->setdataout);
 	writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
 		GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
 
+	/* Configure GPIOs to output */
+	writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
+	writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
+		GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
+
 	dieid_num_r();
 
 	return 0;