leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

edb93xx: enable the uart in devicecfg register

Browse Source 
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>
This commit is contained in:
Alessandro Rubini 2010-02-06 20:54:05 +01:00 committed by Tom Rix
parent 822bd70db4
commit 39a9142203
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
board/edb93xx/edb93xx.c
View File

@ -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;