1 /*
2 * Copyright (C) 2008 STMicroelectronics
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
19 #ifndef __ASM_ARCH_UNCOMPRESS_H
20 #define __ASM_ARCH_UNCOMPRESS_H
21
22 #include <asm/setup.h>
23 #include <asm/io.h>
24 #include <mach/hardware.h>
25
26 /* we need the constants in amba/serial.h, but it refers to amba_device */
27 struct amba_device;
28 #include <linux/amba/serial.h>
29
30 #define NOMADIK_UART_DR 0x101FB000
31 #define NOMADIK_UART_LCRH 0x101FB02c
32 #define NOMADIK_UART_CR 0x101FB030
33 #define NOMADIK_UART_FR 0x101FB018
34
putc(const char c)35 static void putc(const char c)
36 {
37 /* Do nothing if the UART is not enabled. */
38 if (!(readb(NOMADIK_UART_CR) & UART01x_CR_UARTEN))
39 return;
40
41 if (c == '\n')
42 putc('\r');
43
44 while (readb(NOMADIK_UART_FR) & UART01x_FR_TXFF)
45 barrier();
46 writeb(c, NOMADIK_UART_DR);
47 }
48
flush(void)49 static void flush(void)
50 {
51 if (!(readb(NOMADIK_UART_CR) & UART01x_CR_UARTEN))
52 return;
53 while (readb(NOMADIK_UART_FR) & UART01x_FR_BUSY)
54 barrier();
55 }
56
arch_decomp_setup(void)57 static inline void arch_decomp_setup(void)
58 {
59 }
60
61 #define arch_decomp_wdog() /* nothing to do here */
62
63 #endif /* __ASM_ARCH_UNCOMPRESS_H */
64