/* 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 */