[PATCH 31/54] Add arch/nios2/include/asm/early_printf.h

[PATCH 31/54] Add arch/nios2/include/asm/early_printf.h

[franck.jullien]

From: Franck JULLIEN <franck.jullien@gmail.com>

Add arch/nios2/include/asm/early_printf.h

---
 arch/nios2/include/asm/early_printf.h |   23 +++++++++++++++++++++++
 1 files changed, 23 insertions(+), 0 deletions(-)
 create mode 100644 arch/nios2/include/asm/early_printf.h

diff --git a/arch/nios2/include/asm/early_printf.h b/arch/nios2/include/asm/early_printf.h
new file mode 100644
index 0000000..7b9269a
--- /dev/null
+++ b/arch/nios2/include/asm/early_printf.h
@@ -0,0 +1,23 @@
+#ifndef _EARLY_PRINTF_
+#define _EARLY_PRINTF_
+
+#include <asm/nios2-io.h>
+
+#ifdef CONFIG_EARLY_PRINTF        
+#define PUTC_LL(x) early_putc(x)
+#define PUTHEX_LL(value)  ({ unsigned long v = (unsigned long) (value); \
+			     int i; unsigned char ch; \
+			     for (i = 8; i--; ) {\
+			     ch = ((v >> (i*4)) & 0xf);\
+			     ch += (ch >= 10) ? 'a' - 10 : '0';\
+			     PUTC_LL (ch); }})
+#else
+# define PUTC_LL(c) do {} while (0)
+# define PUTHEX_LL(v) do {} while (0)
+#endif
+
+void early_putc( char ch );
+void early_puts(const char *s);
+int early_printf(const char *fmt, ...);
+
+#endif  /* _EARLY_PRINTF_ */
-- 
1.7.3.4


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