uncompress.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- /*
- * linux/include/asm-arm/arch-brutus/uncompress.h
- *
- * (C) 1999 Nicolas Pitre <nico@cam.org>
- *
- * Reorganised to be machine independent.
- */
- #include "hardware.h"
- /*
- * The following code assumes the serial port has already been
- * initialized by the bootloader. We search for the first enabled
- * port in the most probable order. If you didn't setup a port in
- * your bootloader then nothing will appear (which might be desired).
- */
- #define UART(x) (*(volatile unsigned long *)(serial_port + (x)))
- static void puts( const char *s )
- {
- unsigned long serial_port;
- do {
- serial_port = _Ser3UTCR0;
- if (UART(UTCR3) & UTCR3_TXE) break;
- serial_port = _Ser1UTCR0;
- if (UART(UTCR3) & UTCR3_TXE) break;
- serial_port = _Ser2UTCR0;
- if (UART(UTCR3) & UTCR3_TXE) break;
- return;
- } while (0);
- for (; *s; s++) {
- /* wait for space in the UART's transmiter */
- while (!(UART(UTSR1) & UTSR1_TNF))
- barrier();
- /* send the character out. */
- UART(UTDR) = *s;
- /* if a LF, also do CR... */
- if (*s == 10) {
- while (!(UART(UTSR1) & UTSR1_TNF))
- barrier();
- UART(UTDR) = 13;
- }
- }
- }
- /*
- * Nothing to do for these
- */
- #define arch_decomp_setup()
- #define arch_decomp_wdog()