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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/arm/mach-mmp/include/mach/
1/*
2 * arch/arm/mach-mmp/include/mach/uncompress.h
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
9#include <linux/serial_reg.h>
10#include <mach/addr-map.h>
11#include <asm/mach-types.h>
12
13#define UART1_BASE	(APB_PHYS_BASE + 0x36000)
14#define UART2_BASE	(APB_PHYS_BASE + 0x17000)
15#define UART3_BASE	(APB_PHYS_BASE + 0x18000)
16
17static volatile unsigned long *UART;
18
19static inline void putc(char c)
20{
21	/* UART enabled? */
22	if (!(UART[UART_IER] & UART_IER_UUE))
23		return;
24
25	while (!(UART[UART_LSR] & UART_LSR_THRE))
26		barrier();
27
28	UART[UART_TX] = c;
29}
30
31/*
32 * This does not append a newline
33 */
34static inline void flush(void)
35{
36}
37
38static inline void arch_decomp_setup(void)
39{
40	/* default to UART2 */
41	UART = (unsigned long *)UART2_BASE;
42
43	if (machine_is_avengers_lite())
44		UART = (unsigned long *)UART3_BASE;
45}
46
47/*
48 * nothing to do
49 */
50
51#define arch_decomp_wdog()
52