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Diffstat (limited to 'arch/arm/mach-sa1100/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-sa1100/include/mach/uncompress.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/include/mach/uncompress.h b/arch/arm/mach-sa1100/include/mach/uncompress.h
new file mode 100644
index 000000000000..714160b03d7a
--- /dev/null
+++ b/arch/arm/mach-sa1100/include/mach/uncompress.h
@@ -0,0 +1,50 @@
+/*
+ * arch/arm/mach-sa1100/include/mach/uncompress.h
+ *
+ * (C) 1999 Nicolas Pitre <nico@cam.org>
+ *
+ * Reorganised to be machine independent.
+ */
+
+#include "hardware.h"
+
+/*
+ * 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()
+#define arch_decomp_wdog()