summaryrefslogtreecommitdiff
path: root/board/trab/vfd.c
diff options
context:
space:
mode:
authorWolfgang Denk <wd@fifi.denx.de>2006-06-16 15:47:05 +0200
committerWolfgang Denk <wd@fifi.denx.de>2006-06-16 15:47:05 +0200
commit3e9a299231c9967e88e28937a8b202fc1a167ec7 (patch)
treede5ec3440a6ed7a7f902570fe6b793882e97124c /board/trab/vfd.c
parente00f41eb814d75323a6c4f84420a4eba282544d5 (diff)
downloadu-boot-imx-3e9a299231c9967e88e28937a8b202fc1a167ec7.zip
u-boot-imx-3e9a299231c9967e88e28937a8b202fc1a167ec7.tar.gz
u-boot-imx-3e9a299231c9967e88e28937a8b202fc1a167ec7.tar.bz2
Fix udelay bug in vfd.c for trab board
Patch by Martin Krause, 27 Oct 2005
Diffstat (limited to 'board/trab/vfd.c')
-rw-r--r--board/trab/vfd.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/board/trab/vfd.c b/board/trab/vfd.c
index cea8b0b..2f1e7d7 100644
--- a/board/trab/vfd.c
+++ b/board/trab/vfd.c
@@ -358,6 +358,8 @@ void transfer_pic(int display, unsigned char *adr, int height, int width)
*/
int vfd_init_clocks (void)
{
+ int i;
+
S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
S3C24X0_TIMERS * const timers = S3C24X0_GetBase_TIMERS();
S3C24X0_LCD * const lcd = S3C24X0_GetBase_LCD();
@@ -367,7 +369,9 @@ int vfd_init_clocks (void)
*/
gpio->PCUP = (gpio->PCUP & 0xFFF0); /* activate GPC0...GPC3 pullups */
gpio->PCCON = (gpio->PCCON & 0xFFFFFF00); /* configure GPC0...GPC3 as inputs */
- udelay (10); /* allow signals to settle */
+ /* allow signals to settle */
+ for (i=0; i<10000; i++) /* udelay isn't working yet at this point! */
+ __asm("NOP");
vfd_board_id = (~gpio->PCDAT) & 0x000F; /* read GPC0...GPC3 port pins */
VFD_DISABLE; /* activate blank for the vfd */