xref: /OK3568_Linux_fs/kernel/arch/arm/mach-iop32x/include/mach/uncompress.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * arch/arm/mach-iop32x/include/mach/uncompress.h
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #include <asm/types.h>
7*4882a593Smuzhiyun #include <asm/mach-types.h>
8*4882a593Smuzhiyun #include <linux/serial_reg.h>
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #define uart_base ((volatile u8 *)0xfe800000)
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #define TX_DONE		(UART_LSR_TEMT | UART_LSR_THRE)
13*4882a593Smuzhiyun 
putc(char c)14*4882a593Smuzhiyun static inline void putc(char c)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun 	while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
17*4882a593Smuzhiyun 		barrier();
18*4882a593Smuzhiyun 	uart_base[UART_TX] = c;
19*4882a593Smuzhiyun }
20*4882a593Smuzhiyun 
flush(void)21*4882a593Smuzhiyun static inline void flush(void)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun }
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #define arch_decomp_setup() do { } while (0)
26