1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
Index: linux-2.6.23.17/drivers/serial/8250.c
===================================================================
--- linux-2.6.23.17.orig/drivers/serial/8250.c
+++ linux-2.6.23.17/drivers/serial/8250.c
@@ -267,6 +267,13 @@ static const struct serial8250_config ua
.fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
.flags = UART_CAP_FIFO,
},
+ [PORT_AR7] = {
+ .name = "TI-AR7",
+ .fifo_size = 16,
+ .tx_loadsz = 16,
+ .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_00,
+ .flags = UART_CAP_FIFO | UART_CAP_AFE,
+ },
};
#if defined (CONFIG_SERIAL_8250_AU1X00)
@@ -2455,7 +2462,11 @@ static void serial8250_console_putchar(s
{
struct uart_8250_port *up = (struct uart_8250_port *)port;
+#ifdef CONFIG_AR7
+ wait_for_xmitr(up, BOTH_EMPTY);
+#else
wait_for_xmitr(up, UART_LSR_THRE);
+#endif
serial_out(up, UART_TX, ch);
}
Index: linux-2.6.23.17/include/linux/serial_core.h
===================================================================
--- linux-2.6.23.17.orig/include/linux/serial_core.h
+++ linux-2.6.23.17/include/linux/serial_core.h
@@ -40,6 +40,7 @@
#define PORT_NS16550A 14
#define PORT_XSCALE 15
#define PORT_RM9000 16 /* PMC-Sierra RM9xxx internal UART */
+#define PORT_AR7 16
#define PORT_MAX_8250 16 /* max port ID */
/*
Index: linux-2.6.23.17/include/linux/serialP.h
===================================================================
--- linux-2.6.23.17.orig/include/linux/serialP.h
+++ linux-2.6.23.17/include/linux/serialP.h
@@ -135,6 +135,10 @@ struct rs_multiport_struct {
* the interrupt line _up_ instead of down, so if we register the IRQ
* while the UART is in that state, we die in an IRQ storm. */
#define ALPHA_KLUDGE_MCR (UART_MCR_OUT2)
+#elif defined(CONFIG_AR7)
+/* This is how it is set up by bootloader... */
+#define ALPHA_KLUDGE_MCR (UART_MCR_OUT2 | UART_MCR_OUT1 \
+ | UART_MCR_RTS | UART_MCR_DTR)
#else
#define ALPHA_KLUDGE_MCR 0
#endif
|
