1 files changed, 395 insertions, 0 deletions

diff --git a/arch/m32r/platforms/opsput/io.c b/arch/m32r/platforms/opsput/io.c
new file mode 100644
index 000000000000..379efb77123d
--- /dev/null
+++ b/arch/m32r/platforms/opsput/io.c
@@ -0,0 +1,395 @@
+/*
+ *  linux/arch/m32r/platforms/opsput/io.c
+ *
+ *  Typical I/O routines for OPSPUT board.
+ *
+ *  Copyright (c) 2001-2005  Hiroyuki Kondo, Hirokazu Takata,
+ *                           Hitoshi Yamamoto, Takeo Takahashi
+ *
+ *  This file is subject to the terms and conditions of the GNU General
+ *  Public License.  See the file "COPYING" in the main directory of this
+ *  archive for more details.
+ */
+
+#include <asm/m32r.h>
+#include <asm/page.h>
+#include <asm/io.h>
+#include <asm/byteorder.h>
+
+#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
+#include <linux/types.h>
+
+#define M32R_PCC_IOMAP_SIZE 0x1000
+
+#define M32R_PCC_IOSTART0 0x1000
+#define M32R_PCC_IOEND0   (M32R_PCC_IOSTART0 + M32R_PCC_IOMAP_SIZE - 1)
+
+extern void pcc_ioread_byte(int, unsigned long, void *, size_t, size_t, int);
+extern void pcc_ioread_word(int, unsigned long, void *, size_t, size_t, int);
+extern void pcc_iowrite_byte(int, unsigned long, void *, size_t, size_t, int);
+extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int);
+#endif /* CONFIG_PCMCIA && CONFIG_M32R_CFC */
+
+#define PORT2ADDR(port)         _port2addr(port)
+#define PORT2ADDR_USB(port)     _port2addr_usb(port)
+
+static inline void *_port2addr(unsigned long port)
+{
+        return (void *)(port | NONCACHE_OFFSET);
+}
+
+#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
+static inline void *__port2addr_ata(unsigned long port)
+{
+        static int      dummy_reg;
+
+        switch (port) {
+        case 0x1f0:     return (void *)(0x0c002000 | NONCACHE_OFFSET);
+        case 0x1f1:     return (void *)(0x0c012800 | NONCACHE_OFFSET);
+        case 0x1f2:     return (void *)(0x0c012002 | NONCACHE_OFFSET);
+        case 0x1f3:     return (void *)(0x0c012802 | NONCACHE_OFFSET);
+        case 0x1f4:     return (void *)(0x0c012004 | NONCACHE_OFFSET);
+        case 0x1f5:     return (void *)(0x0c012804 | NONCACHE_OFFSET);
+        case 0x1f6:     return (void *)(0x0c012006 | NONCACHE_OFFSET);
+        case 0x1f7:     return (void *)(0x0c012806 | NONCACHE_OFFSET);
+        case 0x3f6:     return (void *)(0x0c01200e | NONCACHE_OFFSET);
+        default:        return (void *)&dummy_reg;
+        }
+}
+#endif
+
+/*
+ * OPSPUT-LAN is located in the extended bus space
+ * from 0x10000000 to 0x13ffffff on physical address.
+ * The base address of LAN controller(LAN91C111) is 0x300.
+ */
+#define LAN_IOSTART     (0x300 | NONCACHE_OFFSET)
+#define LAN_IOEND       (0x320 | NONCACHE_OFFSET)
+static inline void *_port2addr_ne(unsigned long port)
+{
+        return (void *)(port + 0x10000000);
+}
+static inline void *_port2addr_usb(unsigned long port)
+{
+        return (void *)((port & 0x0f) + NONCACHE_OFFSET + 0x10303000);
+}
+
+static inline void delay(void)
+{
+        __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
+}
+
+/*
+ * NIC I/O function
+ */
+
+#define PORT2ADDR_NE(port)  _port2addr_ne(port)
+
+static inline unsigned char _ne_inb(void *portp)
+{
+        return *(volatile unsigned char *)portp;
+}
+
+static inline unsigned short _ne_inw(void *portp)
+{
+        return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp);
+}
+
+static inline void _ne_insb(void *portp, void *addr, unsigned long count)
+{
+        unsigned char *buf = (unsigned char *)addr;
+
+        while (count--)
+                *buf++ = _ne_inb(portp);
+}
+
+static inline void _ne_outb(unsigned char b, void *portp)
+{
+        *(volatile unsigned char *)portp = b;
+}
+
+static inline void _ne_outw(unsigned short w, void *portp)
+{
+        *(volatile unsigned short *)portp = cpu_to_le16(w);
+}
+
+unsigned char _inb(unsigned long port)
+{
+        if (port >= LAN_IOSTART && port < LAN_IOEND)
+                return _ne_inb(PORT2ADDR_NE(port));
+
+#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
+        else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
+                return *(volatile unsigned char *)__port2addr_ata(port);
+        }
+#endif
+#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
+        else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
+                unsigned char b;
+                pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
+                return b;
+        } else
+#endif
+
+        return *(volatile unsigned char *)PORT2ADDR(port);
+}
+
+unsigned short _inw(unsigned long port)
+{
+        if (port >= LAN_IOSTART && port < LAN_IOEND)
+                return _ne_inw(PORT2ADDR_NE(port));
+#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
+        else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
+                return *(volatile unsigned short *)__port2addr_ata(port);
+        }
+#endif
+#if defined(CONFIG_USB)
+        else if(port >= 0x340 && port < 0x3a0)
+                return *(volatile unsigned short *)PORT2ADDR_USB(port);
+#endif
+#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
+        else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
+                unsigned short w;
+                pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
+                return w;
+        } else
+#endif
+        return *(volatile unsigned short *)PORT2ADDR(port);
+}
+
+unsigned long _inl(unsigned long port)
+{
+#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
+        if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
+                unsigned long l;
+                pcc_ioread_word(0, port, &l, sizeof(l), 1, 0);
+                return l;
+        } else
+#endif
+        return *(volatile unsigned long *)PORT2ADDR(port);
+}
+
+unsigned char _inb_p(unsigned long port)
+{
+        unsigned char v = _inb(port);
+        delay();
+        return (v);
+}
+
+unsigned short _inw_p(unsigned long port)
+{
+        unsigned short v = _inw(port);
+        delay();
+        return (v);
+}
+
+unsigned long _inl_p(unsigned long port)
+{
+        unsigned long v = _inl(port);
+        delay();
+        return (v);
+}
+
+void _outb(unsigned char b, unsigned long port)
+{
+        if (port >= LAN_IOSTART && port < LAN_IOEND)
+                _ne_outb(b, PORT2ADDR_NE(port));
+        else
+#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
+        if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
+                *(volatile unsigned char *)__port2addr_ata(port) = b;
+        } else
+#endif
+#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
+        if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
+                pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
+        } else
+#endif
+                *(volatile unsigned char *)PORT2ADDR(port) = b;
+}
+
+void _outw(unsigned short w, unsigned long port)
+{
+        if (port >= LAN_IOSTART && port < LAN_IOEND)
+                _ne_outw(w, PORT2ADDR_NE(port));
+        else
+#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
+        if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
+                *(volatile unsigned short *)__port2addr_ata(port) = w;
+        } else
+#endif
+#if defined(CONFIG_USB)
+        if(port >= 0x340 && port < 0x3a0)
+                *(volatile unsigned short *)PORT2ADDR_USB(port) = w;
+        else
+#endif
+#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
+        if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
+                pcc_iowrite_word(0, port, &w, sizeof(w), 1, 0);
+        } else
+#endif
+                *(volatile unsigned short *)PORT2ADDR(port) = w;
+}
+
+void _outl(unsigned long l, unsigned long port)
+{
+#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
+        if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
+                pcc_iowrite_word(0, port, &l, sizeof(l), 1, 0);
+        } else
+#endif
+        *(volatile unsigned long *)PORT2ADDR(port) = l;
+}
+
+void _outb_p(unsigned char b, unsigned long port)
+{
+        _outb(b, port);
+        delay();
+}
+
+void _outw_p(unsigned short w, unsigned long port)
+{
+        _outw(w, port);
+        delay();
+}
+
+void _outl_p(unsigned long l, unsigned long port)
+{
+        _outl(l, port);
+        delay();
+}
+
+void _insb(unsigned int port, void *addr, unsigned long count)
+{
+        if (port >= LAN_IOSTART && port < LAN_IOEND)
+                _ne_insb(PORT2ADDR_NE(port), addr, count);
+#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
+        else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
+                unsigned char *buf = addr;
+                unsigned char *portp = __port2addr_ata(port);
+                while (count--)
+                        *buf++ = *(volatile unsigned char *)portp;
+        }
+#endif
+#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
+        else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
+                pcc_ioread_byte(0, port, (void *)addr, sizeof(unsigned char),
+                                count, 1);
+        }
+#endif
+        else {
+                unsigned char *buf = addr;
+                unsigned char *portp = PORT2ADDR(port);
+                while (count--)
+                        *buf++ = *(volatile unsigned char *)portp;
+        }
+}
+
+void _insw(unsigned int port, void *addr, unsigned long count)
+{
+        unsigned short *buf = addr;
+        unsigned short *portp;
+
+        if (port >= LAN_IOSTART && port < LAN_IOEND) {
+                /*
+                 * This portion is only used by smc91111.c to read data
+                 * from the DATA_REG. Do not swap the data.
+                 */
+                portp = PORT2ADDR_NE(port);
+                while (count--)
+                        *buf++ = *(volatile unsigned short *)portp;
+#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
+        } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
+                pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short),
+                                count, 1);
+#endif
+#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
+        } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
+                portp = __port2addr_ata(port);
+                while (count--)
+                        *buf++ = *(volatile unsigned short *)portp;
+#endif
+        } else {
+                portp = PORT2ADDR(port);
+                while (count--)
+                        *buf++ = *(volatile unsigned short *)portp;
+        }
+}
+
+void _insl(unsigned int port, void *addr, unsigned long count)
+{
+        unsigned long *buf = addr;
+        unsigned long *portp;
+
+        portp = PORT2ADDR(port);
+        while (count--)
+                *buf++ = *(volatile unsigned long *)portp;
+}
+
+void _outsb(unsigned int port, const void *addr, unsigned long count)
+{
+        const unsigned char *buf = addr;
+        unsigned char *portp;
+
+        if (port >= LAN_IOSTART && port < LAN_IOEND) {
+                portp = PORT2ADDR_NE(port);
+                while (count--)
+                        _ne_outb(*buf++, portp);
+#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
+        } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
+                portp = __port2addr_ata(port);
+                while (count--)
+                        *(volatile unsigned char *)portp = *buf++;
+#endif
+#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
+        } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
+                pcc_iowrite_byte(0, port, (void *)addr, sizeof(unsigned char),
+                                 count, 1);
+#endif
+        } else {
+                portp = PORT2ADDR(port);
+                while (count--)
+                        *(volatile unsigned char *)portp = *buf++;
+        }
+}
+
+void _outsw(unsigned int port, const void *addr, unsigned long count)
+{
+        const unsigned short *buf = addr;
+        unsigned short *portp;
+
+        if (port >= LAN_IOSTART && port < LAN_IOEND) {
+                /*
+                 * This portion is only used by smc91111.c to write data
+                 * into the DATA_REG. Do not swap the data.
+                 */
+                portp = PORT2ADDR_NE(port);
+                while (count--)
+                        *(volatile unsigned short *)portp = *buf++;
+#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
+        } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
+                portp = __port2addr_ata(port);
+                while (count--)
+                        *(volatile unsigned short *)portp = *buf++;
+#endif
+#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
+        } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
+                pcc_iowrite_word(9, port, (void *)addr, sizeof(unsigned short),
+                                 count, 1);
+#endif
+        } else {
+                portp = PORT2ADDR(port);
+                while (count--)
+                        *(volatile unsigned short *)portp = *buf++;
+        }
+}
+
+void _outsl(unsigned int port, const void *addr, unsigned long count)
+{
+        const unsigned long *buf = addr;
+        unsigned char *portp;
+
+        portp = PORT2ADDR(port);
+        while (count--)
+                *(volatile unsigned long *)portp = *buf++;
+}