Linux Kernel  3.7.1
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uncompress.h
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1 /*
2  * Copyright 2003 ARM Limited
3  * Copyright 2008 Cavium Networks
4  *
5  * This file is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License, Version 2, as
7  * published by the Free Software Foundation.
8  */
9 
10 #include <asm/mach-types.h>
11 #include <mach/cns3xxx.h>
12 
13 #define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00))
14 #define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c))
15 #define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30))
16 #define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18))
17 
18 /*
19  * Return the UART base address
20  */
21 static inline unsigned long get_uart_base(void)
22 {
23  if (machine_is_cns3420vb())
24  return CNS3XXX_UART0_BASE;
25  else
26  return 0;
27 }
28 
29 /*
30  * This does not append a newline
31  */
32 static inline void putc(int c)
33 {
34  unsigned long base = get_uart_base();
35 
36  while (AMBA_UART_FR(base) & (1 << 5))
37  barrier();
38 
39  AMBA_UART_DR(base) = c;
40 }
41 
42 static inline void flush(void)
43 {
44  unsigned long base = get_uart_base();
45 
46  while (AMBA_UART_FR(base) & (1 << 3))
47  barrier();
48 }
49 
50 /*
51  * nothing to do
52  */
53 #define arch_decomp_setup()
54 #define arch_decomp_wdog()