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/arch/arm/mach-mv78xx0/include/mach/uncompress.h

https://github.com/AICP/kernel_asus_grouper
C Header | 47 lines | 28 code | 9 blank | 10 comment | 5 complexity | 47f71cba98b2bb470b1c5c6540ebca9d MD5 | raw file
 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()