1 files changed, 45 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-mmp/include/mach/uncompress.h b/kernel/arch/arm/mach-mmp/include/mach/uncompress.h
new file mode 100644
index 000000000..8890fa8fa
--- /dev/null
+++ b/kernel/arch/arm/mach-mmp/include/mach/uncompress.h
@@ -0,0 +1,45 @@
+/*
+ * arch/arm/mach-mmp/include/mach/uncompress.h
+ *
+ * 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 <linux/serial_reg.h>
+#include <mach/addr-map.h>
+#include <asm/mach-types.h>
+
+#define UART1_BASE	(APB_PHYS_BASE + 0x36000)
+#define UART2_BASE	(APB_PHYS_BASE + 0x17000)
+#define UART3_BASE	(APB_PHYS_BASE + 0x18000)
+
+volatile unsigned long *UART;
+
+static inline void putc(char c)
+{
+	/* UART enabled? */
+	if (!(UART[UART_IER] & UART_IER_UUE))
+		return;
+
+	while (!(UART[UART_LSR] & UART_LSR_THRE))
+		barrier();
+
+	UART[UART_TX] = c;
+}
+
+/*
+ * This does not append a newline
+ */
+static inline void flush(void)
+{
+}
+
+static inline void arch_decomp_setup(void)
+{
+	/* default to UART2 */
+	UART = (unsigned long *)UART2_BASE;
+
+	if (machine_is_avengers_lite())
+		UART = (unsigned long *)UART3_BASE;
+}