diff options
Diffstat (limited to 'include/asm-arm/arch-davinci/uncompress.h')
-rw-r--r-- | include/asm-arm/arch-davinci/uncompress.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/asm-arm/arch-davinci/uncompress.h b/include/asm-arm/arch-davinci/uncompress.h new file mode 100644 index 000000000000..f6d1570f7206 --- /dev/null +++ b/include/asm-arm/arch-davinci/uncompress.h | |||
@@ -0,0 +1,35 @@ | |||
1 | /* | ||
2 | * Serial port stubs for kernel decompress status messages | ||
3 | * | ||
4 | * Author: Anant Gole | ||
5 | * (C) Copyright (C) 2006, Texas Instruments, Inc | ||
6 | * | ||
7 | * This file is licensed under the terms of the GNU General Public License | ||
8 | * version 2. This program is licensed "as is" without any warranty of any | ||
9 | * kind, whether express or implied. | ||
10 | */ | ||
11 | |||
12 | #include <linux/types.h> | ||
13 | #include <linux/serial_reg.h> | ||
14 | #include <asm/arch/serial.h> | ||
15 | |||
16 | /* PORT_16C550A, in polled non-fifo mode */ | ||
17 | |||
18 | static void putc(char c) | ||
19 | { | ||
20 | volatile u32 *uart = (volatile void *) DAVINCI_UART0_BASE; | ||
21 | |||
22 | while (!(uart[UART_LSR] & UART_LSR_THRE)) | ||
23 | barrier(); | ||
24 | uart[UART_TX] = c; | ||
25 | } | ||
26 | |||
27 | static inline void flush(void) | ||
28 | { | ||
29 | volatile u32 *uart = (volatile void *) DAVINCI_UART0_BASE; | ||
30 | while (!(uart[UART_LSR] & UART_LSR_THRE)) | ||
31 | barrier(); | ||
32 | } | ||
33 | |||
34 | #define arch_decomp_setup() | ||
35 | #define arch_decomp_wdog() | ||