From: Bob Feretich bob.feretich@rafresearch.com
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.
Previous discussions: http://lists.denx.de/pipermail/u-boot/2011-March/088115.html
Signed-off-by: Bob Feretich bob.feretich@rafresearch.com Signed-off-by: Joel A Fernandes agnel.joel@gmail.com --- Resending patch. git-send-email inserted another "From", sorry about that.
board/ti/beagle/beagle.c | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-)
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 @@ int misc_init_r(void) 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;