blob: f66b408f363ebbe9b9761f8ea97fed85b40b628e [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/include/asm-arm/arch-ixp2000/uncompress.h
3 *
4 *
5 * Original Author: Naeem Afzal <naeem.m.afzal@intel.com>
6 * Maintainer: Deepak Saxena <dsaxena@plexity.net>
7 *
8 * Copyright 2002 Intel Corp.
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 *
15 */
16
17#include <linux/serial_reg.h>
18
19#define UART_BASE 0xc0030000
20
21#define PHYS(x) ((volatile unsigned long *)(UART_BASE + x))
22
23#define UARTDR PHYS(0x00) /* Transmit reg dlab=0 */
24#define UARTDLL PHYS(0x00) /* Divisor Latch reg dlab=1*/
25#define UARTDLM PHYS(0x04) /* Divisor Latch reg dlab=1*/
26#define UARTIER PHYS(0x04) /* Interrupt enable reg */
27#define UARTFCR PHYS(0x08) /* FIFO control reg dlab =0*/
28#define UARTLCR PHYS(0x0c) /* Control reg */
29#define UARTSR PHYS(0x14) /* Status reg */
30
31
Russell Kinga0815682006-03-28 10:24:33 +010032static inline void putc(int c)
Linus Torvalds1da177e2005-04-16 15:20:36 -070033{
34 int j = 0x1000;
35
Russell Kinga0815682006-03-28 10:24:33 +010036 while (--j && !(*UARTSR & UART_LSR_THRE))
37 barrier();
38
Linus Torvalds1da177e2005-04-16 15:20:36 -070039 *UARTDR = c;
40}
41
Russell Kinga0815682006-03-28 10:24:33 +010042static inline void flush(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -070043{
Linus Torvalds1da177e2005-04-16 15:20:36 -070044}
45
46#define arch_decomp_setup()
47#define arch_decomp_wdog()