1 files changed, 51 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-sa1100/include/mach/uncompress.h b/kernel/arch/arm/mach-sa1100/include/mach/uncompress.h
new file mode 100644
index 000000000..73093dc89
--- /dev/null
+++ b/kernel/arch/arm/mach-sa1100/include/mach/uncompress.h
@@ -0,0 +1,51 @@
+/*
+ * arch/arm/mach-sa1100/include/mach/uncompress.h
+ *
+ * (C) 1999 Nicolas Pitre <nico@fluxnic.net>
+ *
+ * Reorganised to be machine independent.
+ */
+
+#include "hardware.h"
+
+#define IOMEM(x)	(x)
+
+/*
+ * The following code assumes the serial port has already been
+ * initialized by the bootloader.  We search for the first enabled
+ * port in the most probable order.  If you didn't setup a port in
+ * your bootloader then nothing will appear (which might be desired).
+ */
+
+#define UART(x)		(*(volatile unsigned long *)(serial_port + (x)))
+
+static void putc(int c)
+{
+	unsigned long serial_port;
+
+	do {
+		serial_port = _Ser3UTCR0;
+		if (UART(UTCR3) & UTCR3_TXE) break;
+		serial_port = _Ser1UTCR0;
+		if (UART(UTCR3) & UTCR3_TXE) break;
+		serial_port = _Ser2UTCR0;
+		if (UART(UTCR3) & UTCR3_TXE) break;
+		return;
+	} while (0);
+
+	/* wait for space in the UART's transmitter */
+	while (!(UART(UTSR1) & UTSR1_TNF))
+		barrier();
+
+	/* send the character out. */
+	UART(UTDR) = c;
+}
+
+static inline void flush(void)
+{
+}
+
+/*
+ * Nothing to do for these
+ */
+#define arch_decomp_setup()