| Srinidhi Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 ST-Ericsson |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | */ |
| 18 | #ifndef __ASM_ARCH_UNCOMPRESS_H |
| 19 | #define __ASM_ARCH_UNCOMPRESS_H |
| 20 | |
| 21 | #include <asm/setup.h> |
| 22 | #include <linux/io.h> |
| 23 | #include <mach/hardware.h> |
| 24 | |
| 25 | #define U8500_UART_DR 0x80007000 |
| 26 | #define U8500_UART_LCRH 0x8000702c |
| 27 | #define U8500_UART_CR 0x80007030 |
| 28 | #define U8500_UART_FR 0x80007018 |
| 29 | |
| 30 | static void putc(const char c) |
| 31 | { |
| 32 | /* Do nothing if the UART is not enabled. */ |
| 33 | if (!(readb(U8500_UART_CR) & 0x1)) |
| 34 | return; |
| 35 | |
| 36 | if (c == '\n') |
| 37 | putc('\r'); |
| 38 | |
| 39 | while (readb(U8500_UART_FR) & (1 << 5)) |
| 40 | barrier(); |
| 41 | writeb(c, U8500_UART_DR); |
| 42 | } |
| 43 | |
| 44 | static void flush(void) |
| 45 | { |
| 46 | if (!(readb(U8500_UART_CR) & 0x1)) |
| 47 | return; |
| 48 | while (readb(U8500_UART_FR) & (1 << 3)) |
| 49 | barrier(); |
| 50 | } |
| 51 | |
| 52 | static inline void arch_decomp_setup(void) |
| 53 | { |
| 54 | } |
| 55 | |
| 56 | #define arch_decomp_wdog() /* nothing to do here */ |
| 57 | |
| 58 | #endif /* __ASM_ARCH_UNCOMPRESS_H */ |