| /* |
| * 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() |
