1/* arch/arm/mach-lh7a40x/include/mach/uncompress.h 2 * 3 * Copyright (C) 2004 Coastal Environmental Systems 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License 7 * version 2 as published by the Free Software Foundation. 8 * 9 */ 10 11#include <mach/registers.h> 12 13#ifndef UART_R_DATA 14# define UART_R_DATA (0x00) 15#endif 16#ifndef UART_R_STATUS 17# define UART_R_STATUS (0x10) 18#endif 19#define nTxRdy (0x20) /* Not TxReady (literally Tx FIFO full) */ 20 21 /* Access UART with physical addresses before MMU is setup */ 22#define UART_STATUS (*(volatile unsigned long*) (UART2_PHYS + UART_R_STATUS)) 23#define UART_DATA (*(volatile unsigned long*) (UART2_PHYS + UART_R_DATA)) 24 25static inline void putc(int ch) 26{ 27 while (UART_STATUS & nTxRdy) 28 barrier(); 29 UART_DATA = ch; 30} 31 32static inline void flush(void) 33{ 34} 35 36 /* NULL functions; we don't presently need them */ 37#define arch_decomp_setup() 38#define arch_decomp_wdog() 39