X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fm32r%2Fboot%2Fcompressed%2Fm32r_sio.c;h=ee3c8be12fa0efba5244d5c1f1b393760f131e89;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=bad5475eff90c17320b27aaad83f17dd3389ff81;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git

diff --git a/arch/m32r/boot/compressed/m32r_sio.c b/arch/m32r/boot/compressed/m32r_sio.c
index bad5475ef..ee3c8be12 100644
--- a/arch/m32r/boot/compressed/m32r_sio.c
+++ b/arch/m32r/boot/compressed/m32r_sio.c
@@ -2,10 +2,11 @@
  * arch/m32r/boot/compressed/m32r_sio.c
  *
  * 2003-02-12:	Takeo Takahashi
+ * 2006-11-30:	OPSPUT support by Kazuhiro Inaoka
  *
  */
 
-#include <linux/config.h>
+#include <asm/processor.h>
 
 static void putc(char c);
 
@@ -16,7 +17,7 @@ static int puts(const char *s)
 	return 0;
 }
 
-#if defined(CONFIG_PLAT_M32700UT_Alpha) || defined(CONFIG_PLAT_M32700UT)
+#if defined(CONFIG_PLAT_M32700UT_Alpha) || defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_OPSPUT)
 #include <asm/m32r.h>
 #include <asm/io.h>
 
@@ -31,23 +32,28 @@ static int puts(const char *s)
 #define BOOT_SIO0TXB	(volatile unsigned short *)(0x02c00000 + 0x2000c)
 #else
 #undef PLD_BASE
+#if defined(CONFIG_PLAT_OPSPUT)
+#define PLD_BASE	0x1cc00000
+#else
 #define PLD_BASE	0xa4c00000
+#endif
 #define BOOT_SIO0STS	PLD_ESIO0STS
 #define BOOT_SIO0TXB	PLD_ESIO0TXB
 #endif
 
 static void putc(char c)
 {
-
-	while ((*BOOT_SIO0STS & 0x3) != 0x3) ;
+	while ((*BOOT_SIO0STS & 0x3) != 0x3)
+		cpu_relax();
 	if (c == '\n') {
 		*BOOT_SIO0TXB = '\r';
-		while ((*BOOT_SIO0STS & 0x3) != 0x3) ;
+		while ((*BOOT_SIO0STS & 0x3) != 0x3)
+			cpu_relax();
 	}
 	*BOOT_SIO0TXB = c;
 }
-#else /* defined(CONFIG_PLAT_M32700UT_Alpha) || defined(CONFIG_PLAT_M32700UT) */
-#ifdef CONFIG_MMU
+#else /* !(CONFIG_PLAT_M32700UT_Alpha) && !(CONFIG_PLAT_M32700UT) */
+#if defined(CONFIG_PLAT_MAPPI2)
 #define SIO0STS	(volatile unsigned short *)(0xa0efd000 + 14)
 #define SIO0TXB	(volatile unsigned short *)(0xa0efd000 + 30)
 #else
@@ -57,11 +63,12 @@ static void putc(char c)
 
 static void putc(char c)
 {
-
-	while ((*SIO0STS & 0x1) == 0) ;
+	while ((*SIO0STS & 0x1) == 0)
+		cpu_relax();
 	if (c == '\n') {
 		*SIO0TXB = '\r';
-		while ((*SIO0STS & 0x1) == 0) ;
+		while ((*SIO0STS & 0x1) == 0)
+			cpu_relax();
 	}
 	*SIO0TXB = c;
 }