uncompress.h
上传用户:szlgq88
上传日期:2009-04-28
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文件大小:1k
- /*
- * include/asm-arm/arch-ixp4xx/uncompress.h
- *
- * Copyright (C) 2002 Intel Corporation.
- * Copyright (C) 2003-2004 MontaVista Software, Inc.
- *
- * 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 _ARCH_UNCOMPRESS_H_
- #define _ARCH_UNCOMPRESS_H_
- #include <asm/hardware.h>
- #include <asm/mach-types.h>
- #include <linux/serial_reg.h>
- #define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE)
- static volatile u32* uart_base;
- static __inline__ void putc(char c)
- {
- /* Check THRE and TEMT bits before we transmit the character.
- */
- while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE);
- *uart_base = c;
- }
- /*
- * This does not append a newline
- */
- static void putstr(const char *s)
- {
- while (*s)
- {
- putc(*s);
- if (*s == 'n')
- putc('r');
- s++;
- }
- }
- static __inline__ void __arch_decomp_setup(unsigned long arch_id)
- {
- /*
- * Coyote and gtwx5715 only have UART2 connected
- */
- if (machine_is_adi_coyote() || machine_is_gtwx5715())
- uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
- else
- uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
- }
- /*
- * arch_id is a variable in decompress_kernel()
- */
- #define arch_decomp_setup() __arch_decomp_setup(arch_id)
- #define arch_decomp_wdog()
- #endif