Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / sh / include / mach-se / mach / mrshpc.h

diff --git a/kernel/arch/sh/include/mach-se/mach/mrshpc.h b/kernel/arch/sh/include/mach-se/mach/mrshpc.h
new file mode 100644 (file)
index 0000000..56287ee
--- /dev/null
+++ b/kernel/arch/sh/include/mach-se/mach/mrshpc.h
@@ -0,0 +1,52 @@
+#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 */