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| author | Alessandro Rubini <rubini-list@gnudd.com> | 2010-02-06 20:54:05 +0100 |
|---|---|---|
| committer | Tom Rix <Tom.Rix@windriver.com> | 2010-02-12 12:31:54 -0600 |
| commit | 39a9142203e610bf2b1a216085e374277fd28f9f (patch) | |
| tree | 16a41002380b66116e56f7f06792b317e5d97451 | |
| parent | 822bd70db49773b4d57eaa484dca83386a6b3479 (diff) | |
| download | u-boot-imx-39a9142203e610bf2b1a216085e374277fd28f9f.zip u-boot-imx-39a9142203e610bf2b1a216085e374277fd28f9f.tar.gz u-boot-imx-39a9142203e610bf2b1a216085e374277fd28f9f.tar.bz2 | |
edb93xx: enable the uart in devicecfg register
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>
| -rw-r--r-- | 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 */; + 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; |