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| author | Wolfgang Denk <wd@fifi.denx.de> | 2006-06-16 15:47:05 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@fifi.denx.de> | 2006-06-16 15:47:05 +0200 |
| commit | 3e9a299231c9967e88e28937a8b202fc1a167ec7 (patch) | |
| tree | de5ec3440a6ed7a7f902570fe6b793882e97124c /board/trab/vfd.c | |
| parent | e00f41eb814d75323a6c4f84420a4eba282544d5 (diff) | |
| download | u-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.c | 6 |
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 */ |