mcs814x: add support for 3.18

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 45273

1 files changed, 40 insertions, 0 deletions

diff --git a/target/linux/mcs814x/files-3.18/arch/arm/mach-mcs814x/include/mach/uncompress.h b/target/linux/mcs814x/files-3.18/arch/arm/mach-mcs814x/include/mach/uncompress.h
new file mode 100644
index 0000000000..cf3ed9a1a6
--- /dev/null
+++ b/target/linux/mcs814x/files-3.18/arch/arm/mach-mcs814x/include/mach/uncompress.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2012, Florian Fainelli <florian@openwrt.org>
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARCH_UNCOMPRESS_H
+#define __ASM_ARCH_UNCOMPRESS_H
+
+#include <linux/serial_reg.h>
+#include <asm/io.h>
+#include <mach/mcs814x.h>
+#include <mach/cpu.h>
+
+#define UART_SHIFT	(2)
+
+/* cannot be static because the code will be inlined */
+void __iomem *uart_base;
+
+static inline void putc(int c)
+{
+	while (!(__raw_readb(uart_base + (UART_LSR << UART_SHIFT)) & UART_LSR_TEMT));
+	__raw_writeb(c, uart_base + (UART_TX << UART_SHIFT));
+}
+
+static inline void flush(void)
+{
+}
+
+static inline void arch_decomp_setup(void)
+{
+	if (soc_is_mcs8140())
+		uart_base = (void __iomem *)(MCS814X_PHYS_BASE +MCS814X_UART);
+}
+
+#define arch_decomp_wdog()
+
+#endif