kernel-ark/include/asm-arm/arch-iop3xx/uncompress.h
Russell King a081568d70 [ARM] Fix decompressor serial IO to give CRLF not LFCR
As per the corresponding change to the serial drivers, arrange
for ARM decompressors to give CRLF.  Move the common putstr code
into misc.c such that machines only need to supply "putc" and
"flush" functions.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-03-28 10:24:33 +01:00

50 lines
1.1 KiB
C

/*
* linux/include/asm-arm/arch-iop3xx/uncompress.h
*/
#include <linux/config.h>
#include <asm/types.h>
#include <asm/mach-types.h>
#include <linux/serial_reg.h>
#include <asm/hardware.h>
#ifdef CONFIG_ARCH_IOP321
#define UTYPE unsigned char *
#elif defined(CONFIG_ARCH_IOP331)
#define UTYPE u32 *
#else
#error "Missing IOP3xx arch type def"
#endif
static volatile UTYPE uart_base;
#define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE)
static inline void putc(char c)
{
while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
barrier();
*uart_base = c;
}
static inline void flush(void)
{
}
static __inline__ void __arch_decomp_setup(unsigned long arch_id)
{
if(machine_is_iq80321())
uart_base = (volatile UTYPE)IQ80321_UART;
else if(machine_is_iq31244())
uart_base = (volatile UTYPE)IQ31244_UART;
else if(machine_is_iq80331() || machine_is_iq80332())
uart_base = (volatile UTYPE)IOP331_UART0_PHYS;
else
uart_base = (volatile UTYPE)0xfe800000;
}
/*
* nothing to do
*/
#define arch_decomp_setup() __arch_decomp_setup(arch_id)
#define arch_decomp_wdog()