blob: 7a030b99df8418b0c189f5aca83ffc5633483ddb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/*
* Copyright 2003 ARM Limited
* Copyright 2008 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#include <asm/mach-types.h>
#include <mach/cns3xxx.h>
#define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00))
#define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c))
#define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30))
#define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18))
/*
* Return the UART base address
*/
static inline unsigned long get_uart_base(void)
{
if (machine_is_cns3420vb())
return CNS3XXX_UART0_BASE;
else
return 0;
}
/*
* This does not append a newline
*/
static inline void putc(int c)
{
unsigned long base = get_uart_base();
while (AMBA_UART_FR(base) & (1 << 5))
barrier();
AMBA_UART_DR(base) = c;
}
static inline void flush(void)
{
unsigned long base = get_uart_base();
while (AMBA_UART_FR(base) & (1 << 3))
barrier();
}
/*
* nothing to do
*/
#define arch_decomp_setup()
|
