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| author | Stefano Babic <sbabic@denx.de> | 2010-08-18 10:22:42 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2010-09-29 11:24:31 +0200 |
| commit | 4ec3d2a7456eec28fd5bd33680f5e677ac5b0370 (patch) | |
| tree | 0b37a5918ade8ef84c833670caf1cb16f33124df /drivers | |
| parent | 9583dfab1df155bf81e67859a3c2907ac0418260 (diff) | |
| download | u-boot-imx-4ec3d2a7456eec28fd5bd33680f5e677ac5b0370.zip u-boot-imx-4ec3d2a7456eec28fd5bd33680f5e677ac5b0370.tar.gz u-boot-imx-4ec3d2a7456eec28fd5bd33680f5e677ac5b0370.tar.bz2 | |
MXC: Add watchdog support to serial driver
Calls WATCHDOG_RESET() inside serial driver
for boards enabling watchdog.
Signed-off-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/serial_mxc.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/serial/serial_mxc.c b/drivers/serial/serial_mxc.c index 4b93e7b..f96b21f 100644 --- a/drivers/serial/serial_mxc.c +++ b/drivers/serial/serial_mxc.c @@ -18,6 +18,7 @@ */ #include <common.h> +#include <watchdog.h> #ifdef CONFIG_MX31 #include <asm/arch/mx31.h> #else @@ -189,7 +190,8 @@ void serial_setbrg (void) int serial_getc (void) { - while (__REG(UART_PHYS + UTS) & UTS_RXEMPTY); + while (__REG(UART_PHYS + UTS) & UTS_RXEMPTY) + WATCHDOG_RESET(); return (__REG(UART_PHYS + URXD) & URXD_RX_DATA); /* mask out status from upper word */ } @@ -198,7 +200,8 @@ void serial_putc (const char c) __REG(UART_PHYS + UTXD) = c; /* wait for transmitter to be ready */ - while(!(__REG(UART_PHYS + UTS) & UTS_TXEMPTY)); + while (!(__REG(UART_PHYS + UTS) & UTS_TXEMPTY)) + WATCHDOG_RESET(); /* If \n, also do \r */ if (c == '\n') |