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nexedi
linux
Commits
e86f59c3
Commit
e86f59c3
authored
Apr 14, 2004
by
Deepak Saxena
Committed by
Russell King
Apr 14, 2004
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[ARM PATCH] 1810/1: Support for non-PXA XScale UARTs
Patch from Deepak Saxena Supersedes 1809/1
parent
157c0342
Changes
3
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Showing
3 changed files
with
12 additions
and
4 deletions
+12
-4
drivers/serial/8250.c
drivers/serial/8250.c
+9
-2
include/linux/serial_core.h
include/linux/serial_core.h
+2
-1
include/linux/serial_reg.h
include/linux/serial_reg.h
+1
-1
No files found.
drivers/serial/8250.c
View file @
e86f59c3
...
...
@@ -170,7 +170,8 @@ static const struct serial_uart_config uart_config[PORT_MAX_8250+1] = {
{
"ST16654"
,
64
,
UART_CLEAR_FIFO
|
UART_USE_FIFO
|
UART_STARTECH
},
{
"XR16850"
,
128
,
UART_CLEAR_FIFO
|
UART_USE_FIFO
|
UART_STARTECH
},
{
"RSA"
,
2048
,
UART_CLEAR_FIFO
|
UART_USE_FIFO
},
{
"NS16550A"
,
16
,
UART_CLEAR_FIFO
|
UART_USE_FIFO
|
UART_NATSEMI
}
{
"NS16550A"
,
16
,
UART_CLEAR_FIFO
|
UART_USE_FIFO
|
UART_NATSEMI
},
{
"XScale"
,
32
,
UART_CLEAR_FIFO
|
UART_USE_FIFO
},
};
static
_INLINE_
unsigned
int
serial_in
(
struct
uart_8250_port
*
up
,
int
offset
)
...
...
@@ -1512,6 +1513,8 @@ serial8250_set_termios(struct uart_port *port, struct termios *termios,
up
->
ier
&=
~
UART_IER_MSI
;
if
(
UART_ENABLE_MS
(
&
up
->
port
,
termios
->
c_cflag
))
up
->
ier
|=
UART_IER_MSI
;
if
(
up
->
port
.
type
==
PORT_XSCALE
)
up
->
ier
|=
UART_IER_UUE
|
UART_IER_RTOIE
;
serial_out
(
up
,
UART_IER
,
up
->
ier
);
...
...
@@ -1953,7 +1956,11 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count)
* First save the UER then disable the interrupts
*/
ier
=
serial_in
(
up
,
UART_IER
);
serial_out
(
up
,
UART_IER
,
0
);
if
(
up
->
port
.
type
==
PORT_XSCALE
)
serial_out
(
up
,
UART_IER
,
UART_IER_UUE
);
else
serial_out
(
up
,
UART_IER
,
0
);
/*
* Now, do each character
...
...
include/linux/serial_core.h
View file @
e86f59c3
...
...
@@ -36,7 +36,8 @@
#define PORT_16850 12
#define PORT_RSA 13
#define PORT_NS16550A 14
#define PORT_MAX_8250 14
/* max port ID */
#define PORT_XSCALE 15
#define PORT_MAX_8250 15
/* max port ID */
/*
* ARM specific type numbers. These are not currently guaranteed
...
...
include/linux/serial_reg.h
View file @
e86f59c3
...
...
@@ -142,7 +142,7 @@
#define UART_MSR_ANY_DELTA 0x0F
/* Any of the delta bits! */
/*
* The Intel
PXA2xx chip defines tho
se bits
* The Intel
XScale on-chip UARTs define the
se bits
*/
#define UART_IER_DMAE 0x80
/* DMA Requests Enable */
#define UART_IER_UUE 0x40
/* UART Unit Enable */
...
...
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