m32r: Rearrange platform-dependent codes

Rearrange platform-dependent codes from arch/m32r/kernel/*.c
to arch/m32r/platforms/{platform}/.

Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>

3 files changed, 364 insertions, 0 deletions

diff --git a/arch/m32r/platforms/oaks32r/Makefile b/arch/m32r/platforms/oaks32r/Makefile
new file mode 100644
index 00000000000..0de59084f21
--- /dev/null
+++ b/arch/m32r/platforms/oaks32r/Makefile
@@ -0,0 +1 @@
+obj-y	:= setup.o io.o
diff --git a/arch/m32r/platforms/oaks32r/io.c b/arch/m32r/platforms/oaks32r/io.c
new file mode 100644
index 00000000000..364a3b2e890
--- /dev/null
+++ b/arch/m32r/platforms/oaks32r/io.c
@@ -0,0 +1,228 @@
+/*
+ *  linux/arch/m32r/platforms/oaks32r/io.c
+ *
+ *  Typical I/O routines for OAKS32R board.
+ *
+ *  Copyright (c) 2001-2005  Hiroyuki Kondo, Hirokazu Takata,
+ *                           Hitoshi Yamamoto, Mamoru Sakugawa
+ */
+
+#include <asm/m32r.h>
+#include <asm/page.h>
+#include <asm/io.h>
+
+#define PORT2ADDR(port)  _port2addr(port)
+
+static inline void *_port2addr(unsigned long port)
+{
+	return (void *)(port | NONCACHE_OFFSET);
+}
+
+static inline  void *_port2addr_ne(unsigned long port)
+{
+	return (void *)((port<<1) + NONCACHE_OFFSET + 0x02000000);
+}
+
+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+1);
+}
+
+static inline unsigned short _ne_inw(void *portp)
+{
+	unsigned short tmp;
+
+	tmp = *(unsigned short *)(portp) & 0xff;
+	tmp |= *(unsigned short *)(portp+2) << 8;
+	return tmp;
+}
+
+static inline  void _ne_insb(void *portp, void *addr, unsigned long count)
+{
+	unsigned char *buf = addr;
+	while (count--)
+		*buf++ = *(volatile unsigned char *)(portp+1);
+}
+
+static inline void _ne_outb(unsigned char b, void *portp)
+{
+	*(volatile unsigned char *)(portp+1) = b;
+}
+
+static inline void _ne_outw(unsigned short w, void *portp)
+{
+	*(volatile unsigned short *)portp =  (w >> 8);
+	*(volatile unsigned short *)(portp+2) =  (w & 0xff);
+}
+
+unsigned char _inb(unsigned long port)
+{
+	if (port >= 0x300 && port < 0x320)
+		return _ne_inb(PORT2ADDR_NE(port));
+
+	return *(volatile unsigned char *)PORT2ADDR(port);
+}
+
+unsigned short _inw(unsigned long port)
+{
+	if (port >= 0x300 && port < 0x320)
+		return _ne_inw(PORT2ADDR_NE(port));
+
+	return *(volatile unsigned short *)PORT2ADDR(port);
+}
+
+unsigned long _inl(unsigned long port)
+{
+	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 >= 0x300 && port < 0x320)
+		_ne_outb(b, PORT2ADDR_NE(port));
+	else
+		*(volatile unsigned char *)PORT2ADDR(port) = b;
+}
+
+void _outw(unsigned short w, unsigned long port)
+{
+	if (port >= 0x300 && port < 0x320)
+		_ne_outw(w, PORT2ADDR_NE(port));
+	else
+		*(volatile unsigned short *)PORT2ADDR(port) = w;
+}
+
+void _outl(unsigned long l, unsigned long port)
+{
+	*(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 >= 0x300 && port < 0x320)
+		_ne_insb(PORT2ADDR_NE(port), addr, count);
+	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 >= 0x300 && port < 0x320) {
+		portp = PORT2ADDR_NE(port);
+		while (count--)
+			*buf++ = _ne_inw(portp);
+	} 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 >= 0x300 && port < 0x320) {
+		portp = PORT2ADDR_NE(port);
+		while (count--)
+			_ne_outb(*buf++, portp);
+	} 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 >= 0x300 && port < 0x320) {
+		portp = PORT2ADDR_NE(port);
+		while (count--)
+			_ne_outw(*buf++, portp);
+	} 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++;
+}
diff --git a/arch/m32r/platforms/oaks32r/setup.c b/arch/m32r/platforms/oaks32r/setup.c
new file mode 100644
index 00000000000..6faa5db68e9
--- /dev/null
+++ b/arch/m32r/platforms/oaks32r/setup.c
@@ -0,0 +1,135 @@
+/*
+ *  linux/arch/m32r/platforms/oaks32r/setup.c
+ *
+ *  Setup routines for OAKS32R Board
+ *
+ *  Copyright (c) 2002-2005  Hiroyuki Kondo, Hirokazu Takata,
+ *                           Hitoshi Yamamoto, Mamoru Sakugawa
+ */
+
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include <asm/system.h>
+#include <asm/m32r.h>
+#include <asm/io.h>
+
+#define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))
+
+icu_data_t icu_data[NR_IRQS];
+
+static void disable_oaks32r_irq(unsigned int irq)
+{
+	unsigned long port, data;
+
+	port = irq2port(irq);
+	data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
+	outl(data, port);
+}
+
+static void enable_oaks32r_irq(unsigned int irq)
+{
+	unsigned long port, data;
+
+	port = irq2port(irq);
+	data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
+	outl(data, port);
+}
+
+static void mask_and_ack_mappi(unsigned int irq)
+{
+	disable_oaks32r_irq(irq);
+}
+
+static void end_oaks32r_irq(unsigned int irq)
+{
+	enable_oaks32r_irq(irq);
+}
+
+static unsigned int startup_oaks32r_irq(unsigned int irq)
+{
+	enable_oaks32r_irq(irq);
+	return (0);
+}
+
+static void shutdown_oaks32r_irq(unsigned int irq)
+{
+	unsigned long port;
+
+	port = irq2port(irq);
+	outl(M32R_ICUCR_ILEVEL7, port);
+}
+
+static struct hw_interrupt_type oaks32r_irq_type =
+{
+	.typename = "OAKS32R-IRQ",
+	.startup = startup_oaks32r_irq,
+	.shutdown = shutdown_oaks32r_irq,
+	.enable = enable_oaks32r_irq,
+	.disable = disable_oaks32r_irq,
+	.ack = mask_and_ack_mappi,
+	.end = end_oaks32r_irq
+};
+
+void __init init_IRQ(void)
+{
+	static int once = 0;
+
+	if (once)
+		return;
+	else
+		once++;
+
+#ifdef CONFIG_NE2000
+	/* INT3 : LAN controller (RTL8019AS) */
+	irq_desc[M32R_IRQ_INT3].status = IRQ_DISABLED;
+	irq_desc[M32R_IRQ_INT3].chip = &oaks32r_irq_type;
+	irq_desc[M32R_IRQ_INT3].action = 0;
+	irq_desc[M32R_IRQ_INT3].depth = 1;
+	icu_data[M32R_IRQ_INT3].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
+	disable_oaks32r_irq(M32R_IRQ_INT3);
+#endif /* CONFIG_M32R_NE2000 */
+
+	/* MFT2 : system timer */
+	irq_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED;
+	irq_desc[M32R_IRQ_MFT2].chip = &oaks32r_irq_type;
+	irq_desc[M32R_IRQ_MFT2].action = 0;
+	irq_desc[M32R_IRQ_MFT2].depth = 1;
+	icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
+	disable_oaks32r_irq(M32R_IRQ_MFT2);
+
+#ifdef CONFIG_SERIAL_M32R_SIO
+	/* SIO0_R : uart receive data */
+	irq_desc[M32R_IRQ_SIO0_R].status = IRQ_DISABLED;
+	irq_desc[M32R_IRQ_SIO0_R].chip = &oaks32r_irq_type;
+	irq_desc[M32R_IRQ_SIO0_R].action = 0;
+	irq_desc[M32R_IRQ_SIO0_R].depth = 1;
+	icu_data[M32R_IRQ_SIO0_R].icucr = 0;
+	disable_oaks32r_irq(M32R_IRQ_SIO0_R);
+
+	/* SIO0_S : uart send data */
+	irq_desc[M32R_IRQ_SIO0_S].status = IRQ_DISABLED;
+	irq_desc[M32R_IRQ_SIO0_S].chip = &oaks32r_irq_type;
+	irq_desc[M32R_IRQ_SIO0_S].action = 0;
+	irq_desc[M32R_IRQ_SIO0_S].depth = 1;
+	icu_data[M32R_IRQ_SIO0_S].icucr = 0;
+	disable_oaks32r_irq(M32R_IRQ_SIO0_S);
+
+	/* SIO1_R : uart receive data */
+	irq_desc[M32R_IRQ_SIO1_R].status = IRQ_DISABLED;
+	irq_desc[M32R_IRQ_SIO1_R].chip = &oaks32r_irq_type;
+	irq_desc[M32R_IRQ_SIO1_R].action = 0;
+	irq_desc[M32R_IRQ_SIO1_R].depth = 1;
+	icu_data[M32R_IRQ_SIO1_R].icucr = 0;
+	disable_oaks32r_irq(M32R_IRQ_SIO1_R);
+
+	/* SIO1_S : uart send data */
+	irq_desc[M32R_IRQ_SIO1_S].status = IRQ_DISABLED;
+	irq_desc[M32R_IRQ_SIO1_S].chip = &oaks32r_irq_type;
+	irq_desc[M32R_IRQ_SIO1_S].action = 0;
+	irq_desc[M32R_IRQ_SIO1_S].depth = 1;
+	icu_data[M32R_IRQ_SIO1_S].icucr = 0;
+	disable_oaks32r_irq(M32R_IRQ_SIO1_S);
+#endif /* CONFIG_SERIAL_M32R_SIO */
+}