This commit was manufactured by cvs2svn to create branch 'vserver'.
[linux-2.6.git] / include / asm-arm / arch-ixp4xx / uncompress.h
1 /*
2  * include/asm-arm/arch-ixp4xx/uncompress.h 
3  *
4  * Copyright (C) 2002 Intel Corporation.
5  * Copyright (C) 2003-2004 MontaVista Software, Inc.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  *
11  */
12
13 #ifndef _ARCH_UNCOMPRESS_H_
14 #define _ARCH_UNCOMPRESS_H_
15
16 #include <asm/hardware.h>
17 #include <asm/mach-types.h>
18 #include <linux/serial_reg.h>
19
20 #define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE)
21
22 static volatile u32* uart_base;
23
24 static __inline__ void putc(char c)
25 {
26         /* Check THRE and TEMT bits before we transmit the character.
27          */
28         while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE); 
29         *uart_base = c;
30 }
31
32 /*
33  * This does not append a newline
34  */
35 static void puts(const char *s)
36 {
37         while (*s)
38         {
39                 putc(*s);
40                 if (*s == '\n')
41                         putc('\r');
42                 s++;
43         }
44 }
45
46 static __inline__ void __arch_decomp_setup(unsigned long arch_id)
47 {
48         /*
49          * Coyote only has UART2 connected
50          */
51         if (machine_is_adi_coyote())
52                 uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
53         else
54                 uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
55 }
56
57 /*
58  * arch_id is a variable in decompress_kernel()
59  */
60 #define arch_decomp_setup()     __arch_decomp_setup(arch_id)
61
62 #define arch_decomp_wdog()
63
64 #endif