sh: Solution Engine SH7343 board support.

This adds support for the SE7343 board.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 275 insertions, 0 deletions

diff --git a/arch/sh/boards/se/7343/io.c b/arch/sh/boards/se/7343/io.c
new file mode 100644
index 000000000000..646661a146ad
--- /dev/null
+++ b/arch/sh/boards/se/7343/io.c
@@ -0,0 +1,275 @@
+/*
+ * arch/sh/boards/se/7343/io.c
+ *
+ * I/O routine for SH-Mobile3AS 7343 SolutionEngine.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <asm/io.h>
+#include <asm/mach/se7343.h>
+
+#define badio(fn, a) panic("bad i/o operation %s for %08lx.", #fn, a)
+
+struct iop {
+        unsigned long start, end;
+        unsigned long base;
+        struct iop *(*check) (struct iop * p, unsigned long port);
+        unsigned char (*inb) (struct iop * p, unsigned long port);
+        unsigned short (*inw) (struct iop * p, unsigned long port);
+        void (*outb) (struct iop * p, unsigned char value, unsigned long port);
+        void (*outw) (struct iop * p, unsigned short value, unsigned long port);
+};
+
+struct iop *
+simple_check(struct iop *p, unsigned long port)
+{
+        static int count;
+
+        if (count < 100)
+                count++;
+
+        port &= 0xFFFF;
+
+        if ((p->start <= port) && (port <= p->end))
+                return p;
+        else
+                badio(check, port);
+}
+
+struct iop *
+ide_check(struct iop *p, unsigned long port)
+{
+        if (((0x1f0 <= port) && (port <= 0x1f7)) || (port == 0x3f7))
+                return p;
+        return NULL;
+}
+
+unsigned char
+simple_inb(struct iop *p, unsigned long port)
+{
+        return *(unsigned char *) (p->base + port);
+}
+
+unsigned short
+simple_inw(struct iop *p, unsigned long port)
+{
+        return *(unsigned short *) (p->base + port);
+}
+
+void
+simple_outb(struct iop *p, unsigned char value, unsigned long port)
+{
+        *(unsigned char *) (p->base + port) = value;
+}
+
+void
+simple_outw(struct iop *p, unsigned short value, unsigned long port)
+{
+        *(unsigned short *) (p->base + port) = value;
+}
+
+unsigned char
+pcc_inb(struct iop *p, unsigned long port)
+{
+        unsigned long addr = p->base + port + 0x40000;
+        unsigned long v;
+
+        if (port & 1)
+                addr += 0x00400000;
+        v = *(volatile unsigned char *) addr;
+        return v;
+}
+
+void
+pcc_outb(struct iop *p, unsigned char value, unsigned long port)
+{
+        unsigned long addr = p->base + port + 0x40000;
+
+        if (port & 1)
+                addr += 0x00400000;
+        *(volatile unsigned char *) addr = value;
+}
+
+unsigned char
+bad_inb(struct iop *p, unsigned long port)
+{
+        badio(inb, port);
+}
+
+void
+bad_outb(struct iop *p, unsigned char value, unsigned long port)
+{
+        badio(inw, port);
+}
+
+#ifdef CONFIG_SMC91X
+/* MSTLANEX01 LAN at 0xb400:0000 */
+static struct iop laniop = {
+        .start = 0x00,
+        .end = 0x0F,
+        .base = 0x04000000,
+        .check = simple_check,
+        .inb = simple_inb,
+        .inw = simple_inw,
+        .outb = simple_outb,
+        .outw = simple_outw,
+};
+#endif
+
+#ifdef CONFIG_NE2000
+/* NE2000 pc card NIC */
+static struct iop neiop = {
+        .start = 0x280,
+        .end = 0x29f,
+        .base = 0xb0600000 + 0x80,      /* soft 0x280 -> hard 0x300 */
+        .check = simple_check,
+        .inb = pcc_inb,
+        .inw = simple_inw,
+        .outb = pcc_outb,
+        .outw = simple_outw,
+};
+#endif
+
+#ifdef CONFIG_IDE
+/* CF in CF slot */
+static struct iop cfiop = {
+        .base = 0xb0600000,
+        .check = ide_check,
+        .inb = pcc_inb,
+        .inw = simple_inw,
+        .outb = pcc_outb,
+        .outw = simple_outw,
+};
+#endif
+
+static __inline__ struct iop *
+port2iop(unsigned long port)
+{
+        if (0) ;
+#if defined(CONFIG_SMC91X)
+        else if (laniop.check(&laniop, port))
+                return &laniop;
+#endif
+#if defined(CONFIG_NE2000)
+        else if (neiop.check(&neiop, port))
+                return &neiop;
+#endif
+#if defined(CONFIG_IDE)
+        else if (cfiop.check(&cfiop, port))
+                return &cfiop;
+#endif
+        else
+                return NULL;
+}
+
+static inline void
+delay(void)
+{
+        ctrl_inw(0xac000000);
+        ctrl_inw(0xac000000);
+}
+
+unsigned char
+sh7343se_inb(unsigned long port)
+{
+        struct iop *p = port2iop(port);
+        return (p->inb) (p, port);
+}
+
+unsigned char
+sh7343se_inb_p(unsigned long port)
+{
+        unsigned char v = sh7343se_inb(port);
+        delay();
+        return v;
+}
+
+unsigned short
+sh7343se_inw(unsigned long port)
+{
+        struct iop *p = port2iop(port);
+        return (p->inw) (p, port);
+}
+
+unsigned int
+sh7343se_inl(unsigned long port)
+{
+        badio(inl, port);
+}
+
+void
+sh7343se_outb(unsigned char value, unsigned long port)
+{
+        struct iop *p = port2iop(port);
+        (p->outb) (p, value, port);
+}
+
+void
+sh7343se_outb_p(unsigned char value, unsigned long port)
+{
+        sh7343se_outb(value, port);
+        delay();
+}
+
+void
+sh7343se_outw(unsigned short value, unsigned long port)
+{
+        struct iop *p = port2iop(port);
+        (p->outw) (p, value, port);
+}
+
+void
+sh7343se_outl(unsigned int value, unsigned long port)
+{
+        badio(outl, port);
+}
+
+void
+sh7343se_insb(unsigned long port, void *addr, unsigned long count)
+{
+        unsigned char *a = addr;
+        struct iop *p = port2iop(port);
+        while (count--)
+                *a++ = (p->inb) (p, port);
+}
+
+void
+sh7343se_insw(unsigned long port, void *addr, unsigned long count)
+{
+        unsigned short *a = addr;
+        struct iop *p = port2iop(port);
+        while (count--)
+                *a++ = (p->inw) (p, port);
+}
+
+void
+sh7343se_insl(unsigned long port, void *addr, unsigned long count)
+{
+        badio(insl, port);
+}
+
+void
+sh7343se_outsb(unsigned long port, const void *addr, unsigned long count)
+{
+        unsigned char *a = (unsigned char *) addr;
+        struct iop *p = port2iop(port);
+        while (count--)
+                (p->outb) (p, *a++, port);
+}
+
+void
+sh7343se_outsw(unsigned long port, const void *addr, unsigned long count)
+{
+        unsigned short *a = (unsigned short *) addr;
+        struct iop *p = port2iop(port);
+        while (count--)
+                (p->outw) (p, *a++, port);
+}
+
+void
+sh7343se_outsl(unsigned long port, const void *addr, unsigned long count)
+{
+        badio(outsw, port);
+}