1 files changed, 69 insertions, 2 deletions

diff --git a/arch/m32r/kernel/io_opsput.c b/arch/m32r/kernel/io_opsput.c
index da6c5f5c1f82..3cbb1f717e50 100644
--- a/arch/m32r/kernel/io_opsput.c
+++ b/arch/m32r/kernel/io_opsput.c
@@ -30,14 +30,34 @@ 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)
+#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.
@@ -97,6 +117,12 @@ 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;
@@ -112,6 +138,11 @@ 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);
@@ -164,6 +195,11 @@ 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);
@@ -177,6 +213,11 @@ 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;
@@ -222,6 +263,14 @@ 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),
@@ -254,6 +303,12 @@ void _insw(unsigned int port, void *addr, unsigned long count)
                 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--)
@@ -280,6 +335,12 @@ void _outsb(unsigned int port, const void *addr, unsigned long count)
                 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),
@@ -305,6 +366,12 @@ void _outsw(unsigned int port, const void *addr, unsigned long count)
                 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),