projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* include/asm-arm/arch-lh7a40x/uncompress.h |
| 2 | * | |
| 3 | * Copyright (C) 2004 Coastal Environmental Systems | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or | |
| 6 | * modify it under the terms of the GNU General Public License | |
| 7 | * version 2 as published by the Free Software Foundation. | |
| 8 | * | |
| 9 | */ | |
| 10 | ||
| 11 | #include <asm/arch/registers.h> | |
| 12 | ||
| 13 | #ifndef UART_R_DATA | |
| 14 | # define UART_R_DATA (0x00) | |
| 15 | #endif | |
| 16 | #ifndef UART_R_STATUS | |
| 17 | # define UART_R_STATUS (0x10) | |
| 18 | #endif | |
| 2295196c | 19 | #define nTxRdy (0x20) /* Not TxReady (literally Tx FIFO full) */ |
| 1da177e4 LT |
20 | |
| 21 | /* Access UART with physical addresses before MMU is setup */ | |
| 22 | #define UART_STATUS (*(volatile unsigned long*) (UART2_PHYS + UART_R_STATUS)) | |
| 23 | #define UART_DATA (*(volatile unsigned long*) (UART2_PHYS + UART_R_DATA)) | |
| 24 | ||
| a081568d | 25 | static inline void putc(int ch) |
| 1da177e4 LT |
26 | { |
| 27 | while (UART_STATUS & nTxRdy) | |
| a081568d | 28 | barrier(); |
| 1da177e4 LT |
29 | UART_DATA = ch; |
| 30 | } | |
| 31 | ||
| a081568d | 32 | static inline void flush(void) |
| 1da177e4 | 33 | { |
| 1da177e4 LT |
34 | } |
| 35 | ||
| 36 | /* NULL functions; we don't presently need them */ | |
| 37 | #define arch_decomp_setup() | |
| 38 | #define arch_decomp_wdog() |