40 lines
888 B
C
40 lines
888 B
C
/*
|
|
* arch/arm/mach-l7200/include/mach/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 <mach/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()
|