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-rw-r--r--arch/arm/mach-mv78xx0/include/mach/uncompress.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-mv78xx0/include/mach/uncompress.h b/arch/arm/mach-mv78xx0/include/mach/uncompress.h
new file mode 100644
index 00000000000..365264298e7
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/include/mach/uncompress.h
@@ -0,0 +1,47 @@
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
14static 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
28static 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()