/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_SE_MRSHPC_H
#define __MACH_SE_MRSHPC_H

#include <linux/io.h>

static inline void __init mrshpc_setup_windows(void)
{
        if ((__raw_readw(MRSHPC_CSR) & 0x000c) != 0)
                return; /* Not detected */

        if ((__raw_readw(MRSHPC_CSR) & 0x0080) == 0) {
                __raw_writew(0x0674, MRSHPC_CPWCR); /* Card Vcc is 3.3v? */
        } else {
                __raw_writew(0x0678, MRSHPC_CPWCR); /* Card Vcc is 5V */
        }

        /*
         *  PC-Card window open
         *  flag == COMMON/ATTRIBUTE/IO
         */
        /* common window open */
        __raw_writew(0x8a84, MRSHPC_MW0CR1);
        if((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
                /* common mode & bus width 16bit SWAP = 1*/
                __raw_writew(0x0b00, MRSHPC_MW0CR2);
        else
                /* common mode & bus width 16bit SWAP = 0*/
                __raw_writew(0x0300, MRSHPC_MW0CR2);

        /* attribute window open */
        __raw_writew(0x8a85, MRSHPC_MW1CR1);
        if ((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
                /* attribute mode & bus width 16bit SWAP = 1*/
                __raw_writew(0x0a00, MRSHPC_MW1CR2);
        else
                /* attribute mode & bus width 16bit SWAP = 0*/
                __raw_writew(0x0200, MRSHPC_MW1CR2);

        /* I/O window open */
        __raw_writew(0x8a86, MRSHPC_IOWCR1);
        __raw_writew(0x0008, MRSHPC_CDCR);       /* I/O card mode */
        if ((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
                __raw_writew(0x0a00, MRSHPC_IOWCR2); /* bus width 16bit SWAP = 1*/
        else
                __raw_writew(0x0200, MRSHPC_IOWCR2); /* bus width 16bit SWAP = 0*/

        __raw_writew(0x2000, MRSHPC_ICR);
        __raw_writeb(0x00, PA_MRSHPC_MW2 + 0x206);
        __raw_writeb(0x42, PA_MRSHPC_MW2 + 0x200);
}

#endif /* __MACH_SE_MRSHPC_H */