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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 | |
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27 | #define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE) |
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28 | static volatile u32 * const uart_base = (u32 *)UART0_PA; |
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29 | |
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30 | static void putc(int ch) |
| 31 | { |
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32 | /* Check THRE and TEMT bits before we transmit the character. |
| 33 | */ |
| 34 | while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE) |
| 35 | barrier(); |
| 36 | |
| 37 | *uart_base = ch; |
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38 | } |
| 39 | |
| 40 | static inline void flush(void) |
| 41 | { |
| 42 | } |
| 43 | |
| 44 | static void arch_decomp_setup(void) |
| 45 | { |
| 46 | } |
| 47 | |
| 48 | #endif/* __ASM_W90X900_UNCOMPRESS_H */ |
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