0146d78759
While no one should be including this file multiple times, flag it inline anyways just in case. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
#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 */
|