[Skyeye-developer] SF.net SVN: skyeye: [329] skyeye-v1/trunk/arch/arm/mach/ skyeye_mach_at91rm92.c

[Michael.Kang]

Revision: 329
          http://skyeye.svn.sourceforge.net/skyeye/?rev=329&view=rev
Author:   kangsh
Date:     2007-11-03 04:14:07 -0700 (Sat, 03 Nov 2007)

Log Message:
-----------
Fix a bug in DBGU of at91rm9200, now uboot can receive some char

Modified Paths:
--------------
    skyeye-v1/trunk/arch/arm/mach/skyeye_mach_at91rm92.c

Modified: skyeye-v1/trunk/arch/arm/mach/skyeye_mach_at91rm92.c
===================================================================
--- skyeye-v1/trunk/arch/arm/mach/skyeye_mach_at91rm92.c
2007-11-02 15:29:15 UTC (rev 328)
+++ skyeye-v1/trunk/arch/arm/mach/skyeye_mach_at91rm92.c
2007-11-03 11:14:07 UTC (rev 329)
@@ -184,7 +184,7 @@
                                        }
                                }
                        }
-                       if( (((io.dbgu.cr & 0x30) >> 4)) == 0x2) /* If
RX is enabled */
+                       if(io.dbgu.cr & 0x10) /* If RXEN is set */
                        {
                                /* at the same time we think DBGU is
also waiting to receiving */
                                io.dbgu.rhr = (int) buf;
@@ -199,8 +199,9 @@
 static void
 at91rm92_uart_read (u32 offset, u32 * data)
 {
-       int i = (offset - AT91RM92_UART_BASE) / AT91RM92_UART_SIZE;
-       offset = offset - AT91RM92_UART_BASE - i * AT91RM92_UART_SIZE;
+       int i = (offset >> 14) & 0x3;
+        offset = offset & 0xFFF;
+
        switch (offset) {
        case US_MR:
                *data = io.uart[i].mr;
@@ -247,9 +248,10 @@
 {

        SKYEYE_DBG ("at91rm92_uart_write(0x%x, 0x%x)\n", offset, data);
-       int i = (offset - AT91RM92_UART_BASE) / AT91RM92_UART_SIZE;
-       offset = offset - AT91RM92_UART_BASE - i * AT91RM92_UART_SIZE;

+       int i = (offset >> 14) & 0x3;
+       offset = offset & 0xFFF;
+
        switch (offset) {
        case US_CR:
                io.uart[i].cr = data;


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