Russell King | ceade89 | 2010-02-11 21:44:53 +0000 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-vexpress/include/mach/uncompress.h |
| 3 | * |
| 4 | * Copyright (C) 2003 ARM Limited |
| 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 as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | #define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00)) |
| 21 | #define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c)) |
| 22 | #define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30)) |
| 23 | #define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18)) |
| 24 | |
| 25 | #define get_uart_base() (0x10000000 + 0x00009000) |
| 26 | |
| 27 | /* |
| 28 | * This does not append a newline |
| 29 | */ |
| 30 | static inline void putc(int c) |
| 31 | { |
| 32 | unsigned long base = get_uart_base(); |
| 33 | |
| 34 | while (AMBA_UART_FR(base) & (1 << 5)) |
| 35 | barrier(); |
| 36 | |
| 37 | AMBA_UART_DR(base) = c; |
| 38 | } |
| 39 | |
| 40 | static inline void flush(void) |
| 41 | { |
| 42 | unsigned long base = get_uart_base(); |
| 43 | |
| 44 | while (AMBA_UART_FR(base) & (1 << 3)) |
| 45 | barrier(); |
| 46 | } |
| 47 | |
| 48 | /* |
| 49 | * nothing to do |
| 50 | */ |
| 51 | #define arch_decomp_setup() |
| 52 | #define arch_decomp_wdog() |