blob: 4322dba468a4f30cce2c49d8a799c140e6bf2cc4 [file] [log] [blame]
Russell Kinga09e64f2008-08-05 16:14:15 +01001/*
2 * arch/arm/mach-orion5x/include/mach/uncompress.h
3 *
4 * Tzachi Perelstein <tzachi@marvell.com>
5 *
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
9 */
10
11#include <linux/serial_reg.h>
12#include <mach/orion5x.h>
13
14#define SERIAL_BASE ((unsigned char *)UART0_PHYS_BASE)
15
16static void putc(const char c)
17{
18 unsigned char *base = SERIAL_BASE;
19 int i;
20
21 for (i = 0; i < 0x1000; i++) {
22 if (base[UART_LSR << 2] & UART_LSR_THRE)
23 break;
24 barrier();
25 }
26
27 base[UART_TX << 2] = c;
28}
29
30static void flush(void)
31{
32 unsigned char *base = SERIAL_BASE;
33 unsigned char mask;
34 int i;
35
36 mask = UART_LSR_TEMT | UART_LSR_THRE;
37
38 for (i = 0; i < 0x1000; i++) {
39 if ((base[UART_LSR << 2] & mask) == mask)
40 break;
41 barrier();
42 }
43}
44
45/*
46 * nothing to do
47 */
48#define arch_decomp_setup()
49#define arch_decomp_wdog()