* 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/m32r.h>
-#include <asm/io.h>
+#include <asm/processor.h>
-void putc(char c);
+static void putc(char c);
-int puts(const char *s)
+static int puts(const char *s)
{
char c;
while ((c = *s++)) putc(c);
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>
+
#define USE_FPGA_MAP 0
#if USE_FPGA_MAP
#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
-void putc(char c)
+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 /* !(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
-void putc(char c)
+#define SIO0STS (volatile unsigned short *)(0x00efd000 + 14)
+#define SIO0TXB (volatile unsigned short *)(0x00efd000 + 30)
+#endif
+
+static void putc(char c)
{
- /* do nothing */
+ while ((*SIO0STS & 0x1) == 0)
+ cpu_relax();
+ if (c == '\n') {
+ *SIO0TXB = '\r';
+ while ((*SIO0STS & 0x1) == 0)
+ cpu_relax();
+ }
+ *SIO0TXB = c;
}
#endif