summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-prima2/include/mach/uncompress.h
blob: 83125c6a30b31ca9db32d258a28ab12f6bed4912 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
/*
 * arch/arm/mach-prima2/include/mach/uncompress.h
 *
 * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
 *
 * Licensed under GPLv2 or later.
 */

#ifndef __ASM_ARCH_UNCOMPRESS_H
#define __ASM_ARCH_UNCOMPRESS_H

#include <linux/io.h>
#include <mach/hardware.h>
#include <mach/uart.h>

void arch_decomp_setup(void)
{
}

#define arch_decomp_wdog()

static __inline__ void putc(char c)
{
	/*
	 * during kernel decompression, all mappings are flat:
	 *  virt_addr == phys_addr
	 */
	while (__raw_readl(SIRFSOC_UART1_PA_BASE + SIRFSOC_UART_TXFIFO_STATUS)
		& SIRFSOC_UART1_TXFIFO_FULL)
		barrier();

	__raw_writel(c, SIRFSOC_UART1_PA_BASE + SIRFSOC_UART_TXFIFO_DATA);
}

static inline void flush(void)
{
}

#endif