1/* 2 * arch/arm/mach-aaec2000/include/mach/uncompress.h 3 * 4 * Copyright (c) 2005 Nicolas Bellido Y Ortega 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 11#ifndef __ASM_ARCH_UNCOMPRESS_H 12#define __ASM_ARCH_UNCOMPRESS_H 13 14#include "hardware.h" 15 16#define UART(x) (*(volatile unsigned long *)(serial_port + (x))) 17 18static void putc(int c) 19{ 20 unsigned long serial_port; 21 do { 22 serial_port = _UART3_BASE; 23 if (UART(UART_CR) & UART_CR_EN) break; 24 serial_port = _UART1_BASE; 25 if (UART(UART_CR) & UART_CR_EN) break; 26 serial_port = _UART2_BASE; 27 if (UART(UART_CR) & UART_CR_EN) break; 28 return; 29 } while (0); 30 31 /* wait for space in the UART's transmitter */ 32 while ((UART(UART_SR) & UART_SR_TxFF)) 33 barrier(); 34 35 /* send the character out. */ 36 UART(UART_DR) = c; 37} 38 39static inline void flush(void) 40{ 41} 42 43#define arch_decomp_setup() 44#define arch_decomp_wdog() 45 46#endif /* __ASM_ARCH_UNCOMPRESS_H */ 47