Hi Alessandro,
El Sat, Feb 06, 2010 at 08:54:05PM +0100 Alessandro Rubini ha dit:
printf goes to uart1, but it will block forever waiting for busy to go off unless the uart is enabled first.
Signed-off-by: Alessandro Rubini rubini@gnudd.com
board/edb93xx/edb93xx.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/board/edb93xx/edb93xx.c b/board/edb93xx/edb93xx.c index 4df2246..dde30ff 100644 --- a/board/edb93xx/edb93xx.c +++ b/board/edb93xx/edb93xx.c @@ -64,6 +64,12 @@ int board_init(void) value |= SYSCON_PWRCNT_UART_BAUD; writel(value, &syscon->pwrcnt);
- /* Enable the uart in devicecfg */
- value = readl(&syscon->devicecfg);
- value |= 1<<18 /* U1EN */;
using a constant like DEVCFG_U1EN would be preferrable, as the patch is correct at the functional and coding style level i'll leave it to Tom to decide if we fix this now or later
- writel(0xAA, &syscon->sysswlock);
- writel(value, &syscon->devicecfg);
- /* Machine number, as defined in linux/arch/arm/tools/mach-types */ gd->bd->bi_arch_number = CONFIG_MACH_TYPE;
Acked-by: Matthias Kaehlcke matthias@kaehlcke.net