uncompress.h
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:2k
- /*
- * linux/include/asm-arm/arch-imxads/uncompress.h
- *
- *
- *
- * Copyright (C) 1999 ARM Limited
- * Copyright (C) Shane Nay (shane@minirl.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- #define UART(x) (*(volatile unsigned long *)(serial_port + (x)))
- #define UART1_BASE 0x206000
- #define UART2_BASE 0x207000
- #define USR2 0x98
- #define USR2_TXFE (1<<14)
- #define TXR 0x40
- #define UCR1 0x80
- #define UCR1_UARTEN 1
- /*
- * 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).
- *
- * This does not append a newline
- */
- static void
- putstr(const char *s)
- {
- unsigned long serial_port;
- do {
- serial_port = UART1_BASE;
- if ( UART(UCR1) & UCR1_UARTEN )
- break;
- serial_port = UART2_BASE;
- if ( UART(UCR1) & UCR1_UARTEN )
- break;
- return;
- } while(0);
- while (*s) {
- while ( !(UART(USR2) & USR2_TXFE) )
- barrier();
- UART(TXR) = *s;
- if (*s == 'n') {
- while ( !(UART(USR2) & USR2_TXFE) )
- barrier();
- UART(TXR) = 'r';
- }
- s++;
- }
- }
- /*
- * nothing to do
- */
- #define arch_decomp_setup()
- #define arch_decomp_wdog()