diff options
Diffstat (limited to 'target/linux/ar7/patches-2.6.23/500-serial_kludge.patch')
| -rw-r--r-- | target/linux/ar7/patches-2.6.23/500-serial_kludge.patch | 57 |
1 files changed, 57 insertions, 0 deletions
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 index 0000000000..446b2b555c --- /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 |