ar7 misc fixes: - serial - memory probing

[openwrt/openwrt.git] / target / linux / ar7-2.6 / patches / 500-serial_kludge.patch

diff --git a/target/linux/ar7-2.6/patches/500-serial_kludge.patch b/target/linux/ar7-2.6/patches/500-serial_kludge.patch
index b6079517d87954bd170c3194ac549c7422be0213..959c5cfe4c9d2fa8e51ef55a77bca25869da4dbd 100644 (file)
--- a/target/linux/ar7-2.6/patches/500-serial_kludge.patch
+++ b/target/linux/ar7-2.6/patches/500-serial_kludge.patch
@@ -1,22 +1,52 @@
+diff -Nru linux-2.6.19.2/include/linux/serialP.h linux-ar7/include/linux/serialP.h
+--- linux-2.6.19.2/include/linux/serialP.h     2007-01-17 01:24:01.000000000 +0700
++++ linux-ar7/include/linux/serialP.h  2007-03-22 22:36:48.000000000 +0700
+@@ -135,6 +135,9 @@
+  * 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
+diff -Nru linux-2.6.19.2/include/linux/serial_core.h linux-ar7/include/linux/serial_core.h
+--- linux-2.6.19.2/include/linux/serial_core.h 2007-01-11 02:10:37.000000000 +0700
++++ linux-ar7/include/linux/serial_core.h      2007-03-22 22:50:13.000000000 +0700
+@@ -39,7 +39,8 @@
+ #define PORT_RSA      13
+ #define PORT_NS16550A 14
+ #define PORT_XSCALE   15
+-#define PORT_MAX_8250 15      /* max port ID */
++#define PORT_AR7      16
++#define PORT_MAX_8250 16      /* max port ID */
+ 
+ /*
+  * ARM specific type numbers.  These are not currently guaranteed
 diff -Nru linux-2.6.19.2/drivers/serial/8250.c linux-ar7/drivers/serial/8250.c
---- linux-2.6.19.2/drivers/serial/8250.c       2006-12-12 02:32:53.000000000 +0700
-+++ linux-ar7/drivers/serial/8250.c    2007-02-02 14:25:51.000000000 +0700
-@@ -2171,6 +2171,9 @@
-                */
-               up->mcr_mask = ~ALPHA_KLUDGE_MCR;
-               up->mcr_force = ALPHA_KLUDGE_MCR;
-+#ifdef CONFIG_AR7
-+              up->mcr_force |= UART_MCR_RTS;
-+#endif
+--- linux-2.6.19.2/drivers/serial/8250.c       2007-01-11 02:10:37.000000000 +0700
++++ linux-ar7/drivers/serial/8250.c    2007-03-22 22:45:17.000000000 +0700
+@@ -251,6 +251,13 @@
+               .fcr            = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+               .flags          = UART_CAP_FIFO | UART_CAP_UUE,
+       },
++      [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,
++      },
+ };
  
-               up->port.ops = &serial8250_pops;
-       }
-@@ -2243,7 +2246,7 @@
+ #ifdef CONFIG_SERIAL_8250_AU1X00
+@@ -2243,7 +2250,7 @@
  {
        struct uart_8250_port *up = (struct uart_8250_port *)port;
  
 -      wait_for_xmitr(up, UART_LSR_THRE);
-+      wait_for_xmitr(up, UART_LSR_TEMT);
++      wait_for_xmitr(up, BOTH_EMPTY);
        serial_out(up, UART_TX, ch);
  }