1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __MACH_SE_MRSHPC_H
3#define __MACH_SE_MRSHPC_H
4
5#include <linux/io.h>
6
7static inline void __init mrshpc_setup_windows(void)
8{
9	if ((__raw_readw(MRSHPC_CSR) & 0x000c) != 0)
10		return;	/* Not detected */
11
12	if ((__raw_readw(MRSHPC_CSR) & 0x0080) == 0) {
13		__raw_writew(0x0674, MRSHPC_CPWCR); /* Card Vcc is 3.3v? */
14	} else {
15		__raw_writew(0x0678, MRSHPC_CPWCR); /* Card Vcc is 5V */
16	}
17
18	/*
19	 *  PC-Card window open
20	 *  flag == COMMON/ATTRIBUTE/IO
21	 */
22	/* common window open */
23	__raw_writew(0x8a84, MRSHPC_MW0CR1);
24	if((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
25		/* common mode & bus width 16bit SWAP = 1*/
26		__raw_writew(0x0b00, MRSHPC_MW0CR2);
27	else
28		/* common mode & bus width 16bit SWAP = 0*/
29		__raw_writew(0x0300, MRSHPC_MW0CR2);
30
31	/* attribute window open */
32	__raw_writew(0x8a85, MRSHPC_MW1CR1);
33	if ((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
34		/* attribute mode & bus width 16bit SWAP = 1*/
35		__raw_writew(0x0a00, MRSHPC_MW1CR2);
36	else
37		/* attribute mode & bus width 16bit SWAP = 0*/
38		__raw_writew(0x0200, MRSHPC_MW1CR2);
39
40	/* I/O window open */
41	__raw_writew(0x8a86, MRSHPC_IOWCR1);
42	__raw_writew(0x0008, MRSHPC_CDCR);	 /* I/O card mode */
43	if ((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
44		__raw_writew(0x0a00, MRSHPC_IOWCR2); /* bus width 16bit SWAP = 1*/
45	else
46		__raw_writew(0x0200, MRSHPC_IOWCR2); /* bus width 16bit SWAP = 0*/
47
48	__raw_writew(0x2000, MRSHPC_ICR);
49	__raw_writeb(0x00, PA_MRSHPC_MW2 + 0x206);
50	__raw_writeb(0x42, PA_MRSHPC_MW2 + 0x200);
51}
52
53#endif /* __MACH_SE_MRSHPC_H */
54