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authorPaul Mundt <lethal@linux-sh.org>2008-07-29 21:01:19 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-07-29 21:01:19 +0900
commitda2014a2b080e7f3024a4eb6917d47069ad9620b (patch)
treecfde12c6d4b5baa222966b14a676f107992cf786 /arch/sh/boards/mach-se/7206/io.c
parent71b8064e7df5698520d73b4c1566a3dbc98eb9ef (diff)
downloadop-kernel-dev-da2014a2b080e7f3024a4eb6917d47069ad9620b.zip
op-kernel-dev-da2014a2b080e7f3024a4eb6917d47069ad9620b.tar.gz
sh: Shuffle the board directories in to mach groups.
This flattens out the board directories in to individual mach groups, we will use this for getting rid of unneeded directories, simplifying the build system, and becoming more coherent with the refactored arch/sh/include topology. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards/mach-se/7206/io.c')
-rw-r--r--arch/sh/boards/mach-se/7206/io.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-se/7206/io.c b/arch/sh/boards/mach-se/7206/io.c
new file mode 100644
index 0000000..1308e61
--- /dev/null
+++ b/arch/sh/boards/mach-se/7206/io.c
@@ -0,0 +1,104 @@
+/* $Id: io.c,v 1.5 2004/02/22 23:08:43 kkojima Exp $
+ *
+ * linux/arch/sh/boards/se/7206/io.c
+ *
+ * Copyright (C) 2006 Yoshinori Sato
+ *
+ * I/O routine for Hitachi 7206 SolutionEngine.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <asm/io.h>
+#include <asm/se7206.h>
+
+
+static inline void delay(void)
+{
+ ctrl_inw(0x20000000); /* P2 ROM Area */
+}
+
+/* MS7750 requires special versions of in*, out* routines, since
+ PC-like io ports are located at upper half byte of 16-bit word which
+ can be accessed only with 16-bit wide. */
+
+static inline volatile __u16 *
+port2adr(unsigned int port)
+{
+ if (port >= 0x2000 && port < 0x2020)
+ return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
+ else if (port >= 0x300 && port < 0x310)
+ return (volatile __u16 *) (PA_SMSC + (port - 0x300));
+
+ return (volatile __u16 *)port;
+}
+
+unsigned char se7206_inb(unsigned long port)
+{
+ return (*port2adr(port)) & 0xff;
+}
+
+unsigned char se7206_inb_p(unsigned long port)
+{
+ unsigned long v;
+
+ v = (*port2adr(port)) & 0xff;
+ delay();
+ return v;
+}
+
+unsigned short se7206_inw(unsigned long port)
+{
+ return *port2adr(port);;
+}
+
+void se7206_outb(unsigned char value, unsigned long port)
+{
+ *(port2adr(port)) = value;
+}
+
+void se7206_outb_p(unsigned char value, unsigned long port)
+{
+ *(port2adr(port)) = value;
+ delay();
+}
+
+void se7206_outw(unsigned short value, unsigned long port)
+{
+ *port2adr(port) = value;
+}
+
+void se7206_insb(unsigned long port, void *addr, unsigned long count)
+{
+ volatile __u16 *p = port2adr(port);
+ __u8 *ap = addr;
+
+ while (count--)
+ *ap++ = *p;
+}
+
+void se7206_insw(unsigned long port, void *addr, unsigned long count)
+{
+ volatile __u16 *p = port2adr(port);
+ __u16 *ap = addr;
+ while (count--)
+ *ap++ = *p;
+}
+
+void se7206_outsb(unsigned long port, const void *addr, unsigned long count)
+{
+ volatile __u16 *p = port2adr(port);
+ const __u8 *ap = addr;
+
+ while (count--)
+ *p = *ap++;
+}
+
+void se7206_outsw(unsigned long port, const void *addr, unsigned long count)
+{
+ volatile __u16 *p = port2adr(port);
+ const __u16 *ap = addr;
+ while (count--)
+ *p = *ap++;
+}
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