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-rw-r--r--arch/arm/plat-spear/include/plat/uncompress.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/plat-spear/include/plat/uncompress.h b/arch/arm/plat-spear/include/plat/uncompress.h
new file mode 100644
index 00000000000..99ba6789cc9
--- /dev/null
+++ b/arch/arm/plat-spear/include/plat/uncompress.h
@@ -0,0 +1,43 @@
1/*
2 * arch/arm/plat-spear/include/plat/uncompress.h
3 *
4 * Serial port stubs for kernel decompress status messages
5 *
6 * Copyright (C) 2009 ST Microelectronics
7 * Viresh Kumar<viresh.kumar@st.com>
8 *
9 * This file is licensed under the terms of the GNU General Public
10 * License version 2. This program is licensed "as is" without any
11 * warranty of any kind, whether express or implied.
12 */
13
14#include <linux/io.h>
15#include <linux/amba/serial.h>
16#include <mach/spear.h>
17
18#ifndef __PLAT_UNCOMPRESS_H
19#define __PLAT_UNCOMPRESS_H
20/*
21 * This does not append a newline
22 */
23static inline void putc(int c)
24{
25 void __iomem *base = (void __iomem *)SPEAR_DBG_UART_BASE;
26
27 while (readl(base + UART01x_FR) & UART01x_FR_TXFF)
28 barrier();
29
30 writel(c, base + UART01x_DR);
31}
32
33static inline void flush(void)
34{
35}
36
37/*
38 * nothing to do
39 */
40#define arch_decomp_setup()
41#define arch_decomp_wdog()
42
43#endif /* __PLAT_UNCOMPRESS_H */