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Russell Kinga09e64f2008-08-05 16:14:15 +01001/*
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
Nicolas Pitre8ea0de42011-04-28 17:00:17 -040010volatile u32 *uart_base;
Russell Kinga09e64f2008-08-05 16:14:15 +010011
12#define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE)
13
14static 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
21static inline void flush(void)
22{
23}
24
25static __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()