162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef __MACH_SE_MRSHPC_H 362306a36Sopenharmony_ci#define __MACH_SE_MRSHPC_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <linux/io.h> 662306a36Sopenharmony_ci 762306a36Sopenharmony_cistatic inline void __init mrshpc_setup_windows(void) 862306a36Sopenharmony_ci{ 962306a36Sopenharmony_ci if ((__raw_readw(MRSHPC_CSR) & 0x000c) != 0) 1062306a36Sopenharmony_ci return; /* Not detected */ 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci if ((__raw_readw(MRSHPC_CSR) & 0x0080) == 0) { 1362306a36Sopenharmony_ci __raw_writew(0x0674, MRSHPC_CPWCR); /* Card Vcc is 3.3v? */ 1462306a36Sopenharmony_ci } else { 1562306a36Sopenharmony_ci __raw_writew(0x0678, MRSHPC_CPWCR); /* Card Vcc is 5V */ 1662306a36Sopenharmony_ci } 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci /* 1962306a36Sopenharmony_ci * PC-Card window open 2062306a36Sopenharmony_ci * flag == COMMON/ATTRIBUTE/IO 2162306a36Sopenharmony_ci */ 2262306a36Sopenharmony_ci /* common window open */ 2362306a36Sopenharmony_ci __raw_writew(0x8a84, MRSHPC_MW0CR1); 2462306a36Sopenharmony_ci if((__raw_readw(MRSHPC_CSR) & 0x4000) != 0) 2562306a36Sopenharmony_ci /* common mode & bus width 16bit SWAP = 1*/ 2662306a36Sopenharmony_ci __raw_writew(0x0b00, MRSHPC_MW0CR2); 2762306a36Sopenharmony_ci else 2862306a36Sopenharmony_ci /* common mode & bus width 16bit SWAP = 0*/ 2962306a36Sopenharmony_ci __raw_writew(0x0300, MRSHPC_MW0CR2); 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ci /* attribute window open */ 3262306a36Sopenharmony_ci __raw_writew(0x8a85, MRSHPC_MW1CR1); 3362306a36Sopenharmony_ci if ((__raw_readw(MRSHPC_CSR) & 0x4000) != 0) 3462306a36Sopenharmony_ci /* attribute mode & bus width 16bit SWAP = 1*/ 3562306a36Sopenharmony_ci __raw_writew(0x0a00, MRSHPC_MW1CR2); 3662306a36Sopenharmony_ci else 3762306a36Sopenharmony_ci /* attribute mode & bus width 16bit SWAP = 0*/ 3862306a36Sopenharmony_ci __raw_writew(0x0200, MRSHPC_MW1CR2); 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ci /* I/O window open */ 4162306a36Sopenharmony_ci __raw_writew(0x8a86, MRSHPC_IOWCR1); 4262306a36Sopenharmony_ci __raw_writew(0x0008, MRSHPC_CDCR); /* I/O card mode */ 4362306a36Sopenharmony_ci if ((__raw_readw(MRSHPC_CSR) & 0x4000) != 0) 4462306a36Sopenharmony_ci __raw_writew(0x0a00, MRSHPC_IOWCR2); /* bus width 16bit SWAP = 1*/ 4562306a36Sopenharmony_ci else 4662306a36Sopenharmony_ci __raw_writew(0x0200, MRSHPC_IOWCR2); /* bus width 16bit SWAP = 0*/ 4762306a36Sopenharmony_ci 4862306a36Sopenharmony_ci __raw_writew(0x2000, MRSHPC_ICR); 4962306a36Sopenharmony_ci __raw_writeb(0x00, PA_MRSHPC_MW2 + 0x206); 5062306a36Sopenharmony_ci __raw_writeb(0x42, PA_MRSHPC_MW2 + 0x200); 5162306a36Sopenharmony_ci} 5262306a36Sopenharmony_ci 5362306a36Sopenharmony_ci#endif /* __MACH_SE_MRSHPC_H */ 54