summaryrefslogtreecommitdiff
path: root/arch/arm/mach-lh7a40x/include/mach/uncompress.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-lh7a40x/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-lh7a40x/include/mach/uncompress.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-lh7a40x/include/mach/uncompress.h b/arch/arm/mach-lh7a40x/include/mach/uncompress.h
new file mode 100644
index 000000000000..55b80d479eb4
--- /dev/null
+++ b/arch/arm/mach-lh7a40x/include/mach/uncompress.h
@@ -0,0 +1,38 @@
+/* arch/arm/mach-lh7a40x/include/mach/uncompress.h
+ *
+ * Copyright (C) 2004 Coastal Environmental Systems
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ */
+
+#include <mach/registers.h>
+
+#ifndef UART_R_DATA
+# define UART_R_DATA (0x00)
+#endif
+#ifndef UART_R_STATUS
+# define UART_R_STATUS (0x10)
+#endif
+#define nTxRdy (0x20) /* Not TxReady (literally Tx FIFO full) */
+
+ /* Access UART with physical addresses before MMU is setup */
+#define UART_STATUS (*(volatile unsigned long*) (UART2_PHYS + UART_R_STATUS))
+#define UART_DATA (*(volatile unsigned long*) (UART2_PHYS + UART_R_DATA))
+
+static inline void putc(int ch)
+{
+ while (UART_STATUS & nTxRdy)
+ barrier();
+ UART_DATA = ch;
+}
+
+static inline void flush(void)
+{
+}
+
+ /* NULL functions; we don't presently need them */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()