1 /*
2  * arch/arm/mach-prima2/include/mach/uncompress.h
3  *
4  * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
5  *
6  * Licensed under GPLv2 or later.
7  */
8 
9 #ifndef __ASM_ARCH_UNCOMPRESS_H
10 #define __ASM_ARCH_UNCOMPRESS_H
11 
12 #include <linux/io.h>
13 #include <mach/hardware.h>
14 #include <mach/uart.h>
15 
arch_decomp_setup(void)16 void arch_decomp_setup(void)
17 {
18 }
19 
20 #define arch_decomp_wdog()
21 
putc(char c)22 static __inline__ void putc(char c)
23 {
24 	/*
25 	 * during kernel decompression, all mappings are flat:
26 	 *  virt_addr == phys_addr
27 	 */
28 	while (__raw_readl(SIRFSOC_UART1_PA_BASE + SIRFSOC_UART_TXFIFO_STATUS)
29 		& SIRFSOC_UART1_TXFIFO_FULL)
30 		barrier();
31 
32 	__raw_writel(c, SIRFSOC_UART1_PA_BASE + SIRFSOC_UART_TXFIFO_DATA);
33 }
34 
flush(void)35 static inline void flush(void)
36 {
37 }
38 
39 #endif
40 
41