diff options
Diffstat (limited to 'arch/arm/plat-spear/include/plat/uncompress.h')
-rw-r--r-- | arch/arm/plat-spear/include/plat/uncompress.h | 43 |
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 | */ | ||
23 | static 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 | |||
33 | static 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 */ | ||