2 * Copyright (C) 2009 ST-Ericsson
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.
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.
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
18 #ifndef __ASM_ARCH_UNCOMPRESS_H
19 #define __ASM_ARCH_UNCOMPRESS_H
21 #include <asm/setup.h>
23 #include <mach/hardware.h>
25 #define U8500_UART_DR 0x80007000
26 #define U8500_UART_LCRH 0x8000702c
27 #define U8500_UART_CR 0x80007030
28 #define U8500_UART_FR 0x80007018
30 static void putc(const char c)
32 /* Do nothing if the UART is not enabled. */
33 if (!(readb(U8500_UART_CR) & 0x1))
39 while (readb(U8500_UART_FR) & (1 << 5))
41 writeb(c, U8500_UART_DR);
44 static void flush(void)
46 if (!(readb(U8500_UART_CR) & 0x1))
48 while (readb(U8500_UART_FR) & (1 << 3))
52 static inline void arch_decomp_setup(void)
56 #define arch_decomp_wdog() /* nothing to do here */
58 #endif /* __ASM_ARCH_UNCOMPRESS_H */