diff options
Diffstat (limited to 'arch/arm/mach-l7200/include/mach/uncompress.h')
| -rw-r--r-- | arch/arm/mach-l7200/include/mach/uncompress.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-l7200/include/mach/uncompress.h b/arch/arm/mach-l7200/include/mach/uncompress.h new file mode 100644 index 000000000000..591c962bb315 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/uncompress.h @@ -0,0 +1,39 @@ +/* + * 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() |