add ar7 2.6.23 patches and config

[openwrt.git] / target / linux / ar7 / patches-2.6.23 / 500-serial_kludge.patch

diff --git a/target/linux/ar7/patches-2.6.23/500-serial_kludge.patch b/target/linux/ar7/patches-2.6.23/500-serial_kludge.patch
new file mode 100644 (file)
index 0000000..446b2b5
--- /dev/null
+++ b/target/linux/ar7/patches-2.6.23/500-serial_kludge.patch
@@ -0,0 +1,57 @@
+Index: linux-2.6.23-rc6/drivers/serial/8250.c
+===================================================================
+--- linux-2.6.23-rc6.orig/drivers/serial/8250.c        2007-09-21 16:23:51.000000000 +0800
++++ linux-2.6.23-rc6/drivers/serial/8250.c     2007-09-21 16:24:14.000000000 +0800
+@@ -267,6 +267,13 @@
+               .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)
+@@ -2453,7 +2460,11 @@
+ {
+       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-rc6/include/linux/serial_core.h
+===================================================================
+--- linux-2.6.23-rc6.orig/include/linux/serial_core.h  2007-09-21 16:23:51.000000000 +0800
++++ linux-2.6.23-rc6/include/linux/serial_core.h       2007-09-21 16:24:14.000000000 +0800
+@@ -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-rc6/include/linux/serialP.h
+===================================================================
+--- linux-2.6.23-rc6.orig/include/linux/serialP.h      2007-09-21 16:23:51.000000000 +0800
++++ linux-2.6.23-rc6/include/linux/serialP.h   2007-09-21 16:24:14.000000000 +0800
+@@ -135,6 +135,10 @@
+  * 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