* Patch by Arun Dharankar, 4 Apr 2003:

[karo-tx-uboot.git] / cpu / xscale / serial.c

diff --git a/cpu/xscale/serial.c b/cpu/xscale/serial.c
index 35302a776183873d839ed509597fc0723f99bc8d..c9d5f70bc473097671f3f429c824a89ae76657ba 100644 (file)
--- a/cpu/xscale/serial.c
+++ b/cpu/xscale/serial.c
@@ -67,7 +67,21 @@ void serial_setbrg (void)
 
        FFIER = IER_UUE;                        /* Enable FFUART */
 
-#elif CONFIG_STUART
+#elif defined(CONFIG_BTUART)
+       CKEN |= CKEN7_BTUART;
+
+       BTIER = 0;
+       BTFCR = 0;
+
+       /* set baud rate */
+       BTLCR = LCR_DLAB;
+       BTDLL = quot & 0xff;
+       BTDLH = quot >> 8;
+       BTLCR = LCR_WLS0 | LCR_WLS1;
+
+       BTIER = IER_UUE;                        /* Enable BFUART */
+
+#elif defined(CONFIG_STUART)
 #error "Bad: not implemented yet!"
 #else
 #error "Bad: you didn't configured serial ..."
@@ -98,7 +112,10 @@ void serial_putc (const char c)
        while ((FFLSR & LSR_TEMT) == 0);
 
        FFTHR = c;
-#elif CONFIG_STUART
+#elif defined(CONFIG_BTUART)
+       while ((BTLSR & LSR_TEMT ) == 0 );
+       BTTHR = c;
+#elif defined(CONFIG_STUART)
 #endif
 
        /* If \n, also do \r */
@@ -115,7 +132,9 @@ int serial_tstc (void)
 {
 #ifdef CONFIG_FFUART
        return FFLSR & LSR_DR;
-#elif CONFIG_STUART
+#elif defined(CONFIG_BTUART)
+       return BTLSR & LSR_DR;
+#elif defined(CONFIG_STUART)
 #endif
 }
 
@@ -130,7 +149,11 @@ int serial_getc (void)
        while (!(FFLSR & LSR_DR));
 
        return (char) FFRBR & 0xff;
-#elif CONFIG_STUART
+#elif defined(CONFIG_BTUART)
+       while (!(BTLSR & LSR_DR));
+
+       return (char) BTRBR & 0xff;
+#elif defined(CONFIG_STUART)
 #endif
 }