patch-2.4.0-test7 linux/include/asm-arm/arch-l7200/uncompress.h

• Lines: 44
• Date: Sun Aug 13 09:54:15 2000
• Orig file: v2.4.0-test6/linux/include/asm-arm/arch-l7200/uncompress.h
• Orig date: Tue May 23 15:31:36 2000

diff -u --recursive --new-file v2.4.0-test6/linux/include/asm-arm/arch-l7200/uncompress.h linux/include/asm-arm/arch-l7200/uncompress.h
@@ -2,18 +2,43 @@
  * linux/include/asm-arm/arch-l7200/uncompress.h
  *
  * Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
+ *
+ * Changelog:
+ *  05-01-2000	SJH	Created
+ *  05-13-2000	SJH	Filled in function bodies
+ *  07-26-2000	SJH	Removed hard coded buad rate
  */
 
+#include <asm/hardware.h>
+
+#define IO_UART  IO_START + 0x00044000
+
+#define __raw_writeb(v,p)	(*(volatile unsigned char *)(p) = (v))
+#define __raw_readb(p)		(*(volatile unsigned char *)(p))
+
 static __inline__ void putc(char c)
 {
+	while(__raw_readb(IO_UART + 0x18) & 0x20 ||
+		__raw_readb(IO_UART + 0x18) & 0x08);
+	__raw_writeb(c, IO_UART + 0x00);
 }
 
 static void puts(const char *s)
 {
+	while (*s) {
+		if (*s == 10) {			/* If a LF, add CR */
+			putc(10);
+			putc(13);
+		}
+		putc(*(s++));
+	}
 }
 
 static __inline__ void arch_decomp_setup(void)
 {
+	__raw_writeb(0x00, IO_UART + 0x08);	/* Set HSB */
+	__raw_writeb(0x00, IO_UART + 0x20);	/* Disable IRQs */
+	__raw_writeb(0x01, IO_UART + 0x14);	/* Enable UART */
 }
 
 #define arch_decomp_wdog()