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7ec80ddf | 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> | |
040f0459 | 25 | #include <linux/serial_reg.h> |
7ec80ddf | 26 | |
040f0459 | 27 | #define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE) |
8ea0de4b | 28 | static volatile u32 * const uart_base = (u32 *)UART0_PA; |
040f0459 | 29 | |
7ec80ddf | 30 | static void putc(int ch) |
31 | { | |
040f0459 | 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; | |
7ec80ddf | 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 */ |