1 /*
2  * arch/arm/mach-iop33x/include/mach/uncompress.h
3  */
4 
5 #include <asm/types.h>
6 #include <asm/mach-types.h>
7 #include <linux/serial_reg.h>
8 #include <mach/hardware.h>
9 
10 volatile u32 *uart_base;
11 
12 #define TX_DONE		(UART_LSR_TEMT | UART_LSR_THRE)
13 
putc(char c)14 static inline void putc(char c)
15 {
16 	while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
17 		barrier();
18 	uart_base[UART_TX] = c;
19 }
20 
flush(void)21 static inline void flush(void)
22 {
23 }
24 
__arch_decomp_setup(unsigned long arch_id)25 static __inline__ void __arch_decomp_setup(unsigned long arch_id)
26 {
27 	if (machine_is_iq80331() || machine_is_iq80332())
28 		uart_base = (volatile u32 *)IOP33X_UART0_PHYS;
29 	else
30 		uart_base = (volatile u32 *)0xfe800000;
31 }
32 
33 /*
34  * nothing to do
35  */
36 #define arch_decomp_setup()	__arch_decomp_setup(arch_id)
37 #define arch_decomp_wdog()
38