From 3e38691e8f7aa0d9b498d76c7279ddec6e4946f3 Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Sat, 5 Apr 2003 00:53:31 +0000
Subject: * Patch by Arun Dharankar, 4 Apr 2003:   Add IDMA example code
 (tested on 8260 only)

* Add support for Purple Board (MIPS64 5Kc)

* Add support for MIPS64 5Kc CPUs

* Fix missing setting of "loadaddr" and "bootfile" on ARM and MIPS

* Patch by Denis Peter, 04 Apr 2003:
  - update MIP405-4 board

* Patches by Denis Peter, 03 April 2003:
  - fix PCI IRQs on MPL boards
  - fix two more un-relocated pointer problems

* Fix behaviour of "run" command:
  - print error message iv variable does not exist
  - terminate processing of arguments in case of error

* Patches by Peter Figuli, 10 Mar 2003
  - Add support for BTUART on PXA platform
  - Add support for WEP EP250 (PXA) board

* Fix flash problems on INCA-IP; add tool to allow bruning images  to
  flash using a BDI2000

* Implement fix for I2C Edge Conditions problem for all boards that
  use the bit-banging driver (common/soft_i2c.c)

* Add patches by Robert Schwebel, 31 Mar 2003:
  - csb226 board: bring in sync with innokom/memsetup.S
  - csb226 board: fix MDREFR handling
  - misc doc fixes / extensions
  - innokom board: cleanup, MDREFR fix in memsetup.S, config update
  - add BOOT_PROGRESS to armlinux.c
---
 cpu/xscale/serial.c | 31 +++++++++++++++++++++++++++----
 1 file changed, 27 insertions(+), 4 deletions(-)

(limited to 'cpu/xscale/serial.c')

diff --git a/cpu/xscale/serial.c b/cpu/xscale/serial.c
index 35302a7..c9d5f70 100644
--- 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
 }
 
-- 
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