linux-stable-rt/arch/arm/mach-prima2/include/mach/uncompress.h

41 lines
741 B
C

/*
* 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