x86: i8259A: remove redundant irq_descinitialization
[wrt350n-kernel.git] / include / asm-arm / arch-lh7a40x / uncompress.h
blob3d1ce0426a33646127a90e92f1a3b05a47e2fb48
1 /* include/asm-arm/arch-lh7a40x/uncompress.h
3 * Copyright (C) 2004 Coastal Environmental Systems
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.
9 */
11 #include <asm/arch/registers.h>
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) */
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))
25 static inline void putc(int ch)
27 while (UART_STATUS & nTxRdy)
28 barrier();
29 UART_DATA = ch;
32 static inline void flush(void)
36 /* NULL functions; we don't presently need them */
37 #define arch_decomp_setup()
38 #define arch_decomp_wdog()