uncompress.h
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上传日期:2009-04-28
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- /*
- * linux/include/asm-arm/arch-aaec2000/uncompress.h
- *
- * Copyright (c) 2005 Nicolas Bellido Y Ortega
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #ifndef __ASM_ARCH_UNCOMPRESS_H
- #define __ASM_ARCH_UNCOMPRESS_H
- #include "hardware.h"
- #define UART(x) (*(volatile unsigned long *)(serial_port + (x)))
- static void putstr( const char *s )
- {
- unsigned long serial_port;
- do {
- serial_port = _UART3_BASE;
- if (UART(UART_CR) & UART_CR_EN) break;
- serial_port = _UART1_BASE;
- if (UART(UART_CR) & UART_CR_EN) break;
- serial_port = _UART2_BASE;
- if (UART(UART_CR) & UART_CR_EN) break;
- return;
- } while (0);
- for (; *s; s++) {
- /* wait for space in the UART's transmitter */
- while ((UART(UART_SR) & UART_SR_TxFF));
- /* send the character out. */
- UART(UART_DR) = *s;
- /* if a LF, also do CR... */
- if (*s == 10) {
- while ((UART(UART_SR) & UART_SR_TxFF));
- UART(UART_DR) = 13;
- }
- }
- }
- #define arch_decomp_setup()
- #define arch_decomp_wdog()
- #endif /* __ASM_ARCH_UNCOMPRESS_H */