X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Farm%2Fmach-davinci%2Finclude%2Fmach%2Fdebug-macro.S;h=de3fc2182b47be849d7b7e98ec64cd0179471357;hp=e6c0f0d5d06273525a69745a28e6d79e4aae841b;hb=17eb15704142dc1b302a3f0cd632c426ee326b6d;hpb=dc75602628472d7fbc4cb43f010bf0257e95ab71

diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S
index e6c0f0d5d062..de3fc2182b47 100644
--- a/arch/arm/mach-davinci/include/mach/debug-macro.S
+++ b/arch/arm/mach-davinci/include/mach/debug-macro.S
@@ -9,6 +9,16 @@
  * or implied.
  */
 
+/* Modifications
+ * Jan 2009	Chaithrika U S	Added senduart, busyuart, waituart
+ *				macros, based on debug-8250.S file
+ *				but using 32-bit accesses required for
+ *                              some davinci devices.
+ */
+
+#include <linux/serial_reg.h>
+#define UART_SHIFT	2
+
 		.macro addruart, rx
 		mrc	p15, 0, \rx, c1, c0
 		tst	\rx, #1			@ MMU enabled?
@@ -17,5 +27,22 @@
 		orr	\rx, \rx, #0x00c20000   @ UART 0
 		.endm
 
-#define UART_SHIFT	2
-#include <asm/hardware/debug-8250.S>
+		.macro	senduart,rd,rx
+		str	\rd, [\rx, #UART_TX << UART_SHIFT]
+		.endm
+
+		.macro	busyuart,rd,rx
+1002:		ldr	\rd, [\rx, #UART_LSR << UART_SHIFT]
+		and	\rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE
+		teq	\rd, #UART_LSR_TEMT | UART_LSR_THRE
+		bne	1002b
+		.endm
+
+		.macro	waituart,rd,rx
+#ifdef FLOW_CONTROL
+1001:		ldr	\rd, [\rx, #UART_MSR << UART_SHIFT]
+		tst	\rd, #UART_MSR_CTS
+		beq	1001b
+#endif
+		.endm
+