blob: 04be2a088639df302ac0bed781027f6ec2f828c2 (
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
|
/*
* linux/include/asm-arm/arch-l7200/uncompress.h
*
* Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
*
* Changelog:
* 05-01-2000 SJH Created
* 05-13-2000 SJH Filled in function bodies
* 07-26-2000 SJH Removed hard coded baud rate
*/
#include <asm/hardware.h>
#define IO_UART IO_START + 0x00044000
#define __raw_writeb(v,p) (*(volatile unsigned char *)(p) = (v))
#define __raw_readb(p) (*(volatile unsigned char *)(p))
static inline void putc(int c)
{
while(__raw_readb(IO_UART + 0x18) & 0x20 ||
__raw_readb(IO_UART + 0x18) & 0x08)
barrier();
__raw_writeb(c, IO_UART + 0x00);
}
static inline void flush(void)
{
}
static __inline__ void arch_decomp_setup(void)
{
__raw_writeb(0x00, IO_UART + 0x08); /* Set HSB */
__raw_writeb(0x00, IO_UART + 0x20); /* Disable IRQs */
__raw_writeb(0x01, IO_UART + 0x14); /* Enable UART */
}
#define arch_decomp_wdog()
|
