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| author | Prafulla Wadaskar <prafulla@marvell.com> | 2010-10-27 21:58:31 +0530 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-12-16 23:02:51 +0100 |
| commit | a160ea0b5ed6c7cfcdd61bc82313c1371888eeec (patch) | |
| tree | 11413d3a310bb94790b0a906f28a1d4125c071e5 /drivers/serial/ns16550.c | |
| parent | ce089c04a8b396dc8d1c96988e2feef2daa510a6 (diff) | |
| download | u-boot-imx-a160ea0b5ed6c7cfcdd61bc82313c1371888eeec.zip u-boot-imx-a160ea0b5ed6c7cfcdd61bc82313c1371888eeec.tar.gz u-boot-imx-a160ea0b5ed6c7cfcdd61bc82313c1371888eeec.tar.bz2 | |
Serial: ns16550: Add support for CONFIG_SYS_NS16550_IER macro
On some processors this ier register configuration is different
for ex. Marvell Armada100
This patch introduce CONFIG_SYS_NS16550_IER macro support to
unconditionally initialize this register.
Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
Diffstat (limited to 'drivers/serial/ns16550.c')
| -rw-r--r-- | drivers/serial/ns16550.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index 32f24de..8eeb48f 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -24,9 +24,13 @@ #define serial_in(y) readb(y) #endif +#ifndef CONFIG_SYS_NS16550_IER +#define CONFIG_SYS_NS16550_IER 0x00 +#endif /* CONFIG_SYS_NS16550_IER */ + void NS16550_init (NS16550_t com_port, int baud_divisor) { - serial_out(0x00, &com_port->ier); + serial_out(CONFIG_SYS_NS16550_IER, &com_port->ier); #if defined(CONFIG_OMAP) && !defined(CONFIG_OMAP3_ZOOM2) serial_out(0x7, &com_port->mdr1); /* mode select reset TL16C750*/ #endif @@ -52,7 +56,7 @@ void NS16550_init (NS16550_t com_port, int baud_divisor) #ifndef CONFIG_NS16550_MIN_FUNCTIONS void NS16550_reinit (NS16550_t com_port, int baud_divisor) { - serial_out(0x00, &com_port->ier); + serial_out(CONFIG_SYS_NS16550_IER, &com_port->ier); serial_out(UART_LCR_BKSE | UART_LCRVAL, &com_port->lcr); serial_out(0, &com_port->dll); serial_out(0, &com_port->dlm); |