1 /*
2 * arch/arm/mach-mv78xx0/include/mach/uncompress.h
3 *
4 * This file is licensed under the terms of the GNU General Public
5 * License version 2. This program is licensed "as is" without any
6 * warranty of any kind, whether express or implied.
7 */
8
9 #include <linux/serial_reg.h>
10 #include <mach/mv78xx0.h>
11
12 #define SERIAL_BASE ((unsigned char *)UART0_PHYS_BASE)
13
14 static void putc(const char c)
15 {
16 unsigned char *base = SERIAL_BASE;
17 int i;
18
19 for (i = 0; i < 0x1000; i++) {
20 if (base[UART_LSR << 2] & UART_LSR_THRE)
21 break;
22 barrier();
23 }
24
25 base[UART_TX << 2] = c;
26 }
27
28 static void flush(void)
29 {
30 unsigned char *base = SERIAL_BASE;
31 unsigned char mask;
32 int i;
33
34 mask = UART_LSR_TEMT | UART_LSR_THRE;
35
36 for (i = 0; i < 0x1000; i++) {
37 if ((base[UART_LSR << 2] & mask) == mask)
38 break;
39 barrier();
40 }
41 }
42
43 /*
44 * nothing to do
45 */
46 #define arch_decomp_setup()
47 #define arch_decomp_wdog()
48
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