| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-ebsa110/include/mach/uncompress.h |
| 3 | * |
| 4 | * Copyright (C) 1996,1997,1998 Russell King |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | |
| 11 | #include <linux/serial_reg.h> |
| 12 | |
| 13 | #define SERIAL_BASE ((unsigned char *)0xf0000be0) |
| 14 | |
| 15 | /* |
| 16 | * This does not append a newline |
| 17 | */ |
| 18 | static inline void putc(int c) |
| 19 | { |
| 20 | unsigned char v, *base = SERIAL_BASE; |
| 21 | |
| 22 | do { |
| 23 | v = base[UART_LSR << 2]; |
| 24 | barrier(); |
| 25 | } while (!(v & UART_LSR_THRE)); |
| 26 | |
| 27 | base[UART_TX << 2] = c; |
| 28 | } |
| 29 | |
| 30 | static inline void flush(void) |
| 31 | { |
| 32 | unsigned char v, *base = SERIAL_BASE; |
| 33 | |
| 34 | do { |
| 35 | v = base[UART_LSR << 2]; |
| 36 | barrier(); |
| 37 | } while ((v & (UART_LSR_TEMT|UART_LSR_THRE)) != |
| 38 | (UART_LSR_TEMT|UART_LSR_THRE)); |
| 39 | } |
| 40 | |
| 41 | /* |
| 42 | * nothing to do |
| 43 | */ |
| 44 | #define arch_decomp_setup() |