| Message ID | 1291741587-12484-4-git-send-email-prafulla@marvell.com |
|---|---|
| State | Accepted |
| Headers | show |
> -----Original Message----- > From: Prafulla Wadaskar [mailto:prafulla@marvell.com] > Sent: Tuesday, December 07, 2010 10:36 PM > To: u-boot@lists.denx.de > Cc: Lei Wen; Eric Miao; Yu Tang; Kiran Vedere; Manas Saksena; Prabhanjan > Sarnaik; Ashish Karkare; Prafulla Wadaskar > Subject: [PATCH v4 4/7] 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> > --- > Changelog v3: > macro defination CONFIG_SYS_NS16550_IER moved from ns16550.h to ns16550.c > > drivers/serial/ns16550.c | 8 ++++++-- > 1 files changed, 6 insertions(+), 2 deletions(-) > Applied to u-boot-marvell.git master branch Regards.. Prafulla ..
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);
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> --- Changelog v3: macro defination CONFIG_SYS_NS16550_IER moved from ns16550.h to ns16550.c drivers/serial/ns16550.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-)