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1 | /* |
2 | * arch/arm/mach-w90x900/include/mach/uncompress.h |
3 | * |
4 | * Copyright (c) 2008 Nuvoton technology corporation |
5 | * All rights reserved. |
6 | * |
7 | * Wan ZongShun <mcuos.com@gmail.com> |
8 | * |
9 | * Based on arch/arm/mach-s3c2410/include/mach/uncompress.h |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify |
12 | * it under the terms of the GNU General Public License as published by |
13 | * the Free Software Foundation; either version 2 of the License, or |
14 | * (at your option) any later version. |
15 | * |
16 | */ |
17 | |
18 | #ifndef __ASM_ARCH_UNCOMPRESS_H |
19 | #define __ASM_ARCH_UNCOMPRESS_H |
20 | |
21 | /* Defines for UART registers */ |
22 | |
23 | #include <mach/regs-serial.h> |
24 | #include <mach/map.h> |
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25 | #include <linux/serial_reg.h> |
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26 | |
27 | #define arch_decomp_wdog() |
28 | |
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29 | #define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE) |
30 | static volatile u32 * uart_base = (u32 *)UART0_PA; |
31 | |
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32 | static void putc(int ch) |
33 | { |
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34 | /* Check THRE and TEMT bits before we transmit the character. |
35 | */ |
36 | while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE) |
37 | barrier(); |
38 | |
39 | *uart_base = ch; |
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40 | } |
41 | |
42 | static inline void flush(void) |
43 | { |
44 | } |
45 | |
46 | static void arch_decomp_setup(void) |
47 | { |
48 | } |
49 | |
50 | #endif/* __ASM_W90X900_UNCOMPRESS_H */ |