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 <rub...@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 <matth...@kaehlcke.net>
--
Matthias Kaehlcke
Embedded Linux Developer
Barcelona
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right to tell people what they do not want to hear
(George Orwell)
.''`.
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