[PATCH] sh: SH4-202 MicroDev board support

This adds support for the SH4-202 MicroDev from SuperH, Inc.
Signed-off-by: Paul Mundt <paul.mundt@nokia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/sh/boards/superh/microdev/Makefile

+#
+# Makefile for the SuperH MicroDev specific parts of the kernel
+#
+
+obj-y	 := setup.o irq.o io.o
+
+obj-$(CONFIG_HEARTBEAT)	+= led.o
+

arch/sh/boards/superh/microdev/io.c

+/*
+ * linux/arch/sh/kernel/io_microdev.c
+ *
+ * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com)
+ * Copyright (C) 2003, 2004 SuperH, Inc.
+ * Copyright (C) 2004 Paul Mundt
+ *
+ * SuperH SH4-202 MicroDev board support.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+#include <asm/mach/io.h>
+
+	/*
+	 *	we need to have a 'safe' address to re-direct all I/O requests
+	 *	that we do not explicitly wish to handle. This safe address
+	 *	must have the following properies:
+	 *
+	 *		* writes are ignored (no exception)
+	 *		* reads are benign (no side-effects)
+	 *		* accesses of width 1, 2 and 4-bytes are all valid.
+	 *
+	 *	The Processor Version Register (PVR) has these properties.
+	 */
+#define	PVR	0xff000030	/* Processor Version Register */
+
+
+#define	IO_IDE2_BASE		0x170ul	/* I/O base for SMSC FDC37C93xAPM IDE #2 */
+#define	IO_IDE1_BASE		0x1f0ul	/* I/O base for SMSC FDC37C93xAPM IDE #1 */
+#define IO_ISP1161_BASE		0x290ul /* I/O port for Philips ISP1161x USB chip */
+#define IO_SERIAL2_BASE		0x2f8ul /* I/O base for SMSC FDC37C93xAPM Serial #2 */
+#define	IO_LAN91C111_BASE	0x300ul	/* I/O base for SMSC LAN91C111 Ethernet chip */
+#define	IO_IDE2_MISC		0x376ul	/* I/O misc for SMSC FDC37C93xAPM IDE #2 */
+#define IO_SUPERIO_BASE		0x3f0ul /* I/O base for SMSC FDC37C93xAPM SuperIO chip */
+#define	IO_IDE1_MISC		0x3f6ul	/* I/O misc for SMSC FDC37C93xAPM IDE #1 */
+#define IO_SERIAL1_BASE		0x3f8ul /* I/O base for SMSC FDC37C93xAPM Serial #1 */
+
+#define	IO_ISP1161_EXTENT	0x04ul	/* I/O extent for Philips ISP1161x USB chip */
+#define	IO_LAN91C111_EXTENT	0x10ul	/* I/O extent for SMSC LAN91C111 Ethernet chip */
+#define	IO_SUPERIO_EXTENT	0x02ul	/* I/O extent for SMSC FDC37C93xAPM SuperIO chip */
+#define	IO_IDE_EXTENT		0x08ul	/* I/O extent for IDE Task Register set */
+#define IO_SERIAL_EXTENT	0x10ul
+
+#define	IO_LAN91C111_PHYS	0xa7500000ul	/* Physical address of SMSC LAN91C111 Ethernet chip */
+#define	IO_ISP1161_PHYS		0xa7700000ul	/* Physical address of Philips ISP1161x USB chip */
+#define	IO_SUPERIO_PHYS		0xa7800000ul	/* Physical address of SMSC FDC37C93xAPM SuperIO chip */
+
+#define PORT2ADDR(x) (microdev_isa_port2addr(x))
+
+
+static inline void delay(void)
+{
+#if defined(CONFIG_PCI)
+	/* System board present, just make a dummy SRAM access.  (CS0 will be
+	   mapped to PCI memory, probably good to avoid it.) */
+	ctrl_inw(0xa6800000);
+#else
+	/* CS0 will be mapped to flash, ROM etc so safe to access it. */
+	ctrl_inw(0xa0000000);
+#endif
+}
+
+unsigned char microdev_inb(unsigned long port)
+{
+#ifdef CONFIG_PCI
+	if (port >= PCIBIOS_MIN_IO)
+		return microdev_pci_inb(port);
+#endif
+	return *(volatile unsigned char*)PORT2ADDR(port);
+}
+
+unsigned short microdev_inw(unsigned long port)
+{
+#ifdef CONFIG_PCI
+	if (port >= PCIBIOS_MIN_IO)
+		return microdev_pci_inw(port);
+#endif
+	return *(volatile unsigned short*)PORT2ADDR(port);
+}
+
+unsigned int microdev_inl(unsigned long port)
+{
+#ifdef CONFIG_PCI
+	if (port >= PCIBIOS_MIN_IO)
+		return microdev_pci_inl(port);
+#endif
+	return *(volatile unsigned int*)PORT2ADDR(port);
+}
+
+void microdev_outb(unsigned char b, unsigned long port)
+{
+#ifdef CONFIG_PCI
+	if (port >= PCIBIOS_MIN_IO) {
+		microdev_pci_outb(b, port);
+		return;
+	}
+#endif
+
+	/*
+	 *	There is a board feature with the current SH4-202 MicroDev in
+	 *	that the 2 byte enables (nBE0 and nBE1) are tied together (and
+	 *	to the Chip Select Line (Ethernet_CS)). Due to this conectivity,
+	 *	it is not possible to safely perform 8-bit writes to the
+	 *	Ethernet registers, as 16-bits will be consumed from the Data
+	 *	lines (corrupting the other byte).  Hence, this function is
+	 *	written to impliment 16-bit read/modify/write for all byte-wide
+	 *	acceses.
+	 *
+	 *	Note: there is no problem with byte READS (even or odd).
+	 *
+	 *			Sean McGoogan - 16th June 2003.
+	 */
+	if ((port >= IO_LAN91C111_BASE) &&
+	    (port <  IO_LAN91C111_BASE + IO_LAN91C111_EXTENT)) {
+			/*
+			 * Then are trying to perform a byte-write to the
+			 * LAN91C111.  This needs special care.
+			 */
+		if (port % 2 == 1) {	/* is the port odd ? */
+			/* unset bit-0, i.e. make even */
+			const unsigned long evenPort = port-1;
+			unsigned short word;
+
+			/*
+			 * do a 16-bit read/write to write to 'port',
+			 * preserving even byte.
+			 *
+			 *	Even addresses are bits 0-7
+			 *	Odd  addresses are bits 8-15
+			 */
+			word = microdev_inw(evenPort);
+			word = (word & 0xffu) | (b << 8);
+			microdev_outw(word, evenPort);
+		} else {
+			/* else, we are trying to do an even byte write */
+			unsigned short word;
+
+			/*
+			 * do a 16-bit read/write to write to 'port',
+			 * preserving odd byte.
+			 *
+			 *	Even addresses are bits 0-7
+			 *	Odd  addresses are bits 8-15
+			 */
+			word = microdev_inw(port);
+			word = (word & 0xff00u) | (b);
+			microdev_outw(word, port);
+		}
+	} else {
+		*(volatile unsigned char*)PORT2ADDR(port) = b;
+	}
+}
+
+void microdev_outw(unsigned short b, unsigned long port)
+{
+#ifdef CONFIG_PCI
+	if (port >= PCIBIOS_MIN_IO) {
+		microdev_pci_outw(b, port);
+		return;
+	}
+#endif
+	*(volatile unsigned short*)PORT2ADDR(port) = b;
+}
+
+void microdev_outl(unsigned int b, unsigned long port)
+{
+#ifdef CONFIG_PCI
+	if (port >= PCIBIOS_MIN_IO) {
+		microdev_pci_outl(b, port);
+		return;
+	}
+#endif
+	*(volatile unsigned int*)PORT2ADDR(port) = b;
+}
+
+unsigned char microdev_inb_p(unsigned long port)
+{
+	unsigned char v = microdev_inb(port);
+	delay();
+	return v;
+}
+
+unsigned short microdev_inw_p(unsigned long port)
+{
+	unsigned short v = microdev_inw(port);
+	delay();
+	return v;
+}
+
+unsigned int microdev_inl_p(unsigned long port)
+{
+	unsigned int v = microdev_inl(port);
+	delay();
+	return v;
+}
+
+void microdev_outb_p(unsigned char b, unsigned long port)
+{
+	microdev_outb(b, port);
+	delay();
+}
+
+void microdev_outw_p(unsigned short b, unsigned long port)
+{
+	microdev_outw(b, port);
+	delay();
+}
+
+void microdev_outl_p(unsigned int b, unsigned long port)
+{
+	microdev_outl(b, port);
+	delay();
+}
+
+void microdev_insb(unsigned long port, void *buffer, unsigned long count)
+{
+	volatile unsigned char *port_addr;
+	unsigned char *buf = buffer;
+
+	port_addr = (volatile unsigned char *)PORT2ADDR(port);
+
+	while (count--)
+		*buf++ = *port_addr;
+}
+
+void microdev_insw(unsigned long port, void *buffer, unsigned long count)
+{
+	volatile unsigned short *port_addr;
+	unsigned short *buf = buffer;
+
+	port_addr = (volatile unsigned short *)PORT2ADDR(port);
+
+	while (count--)
+		*buf++ = *port_addr;
+}
+
+void microdev_insl(unsigned long port, void *buffer, unsigned long count)
+{
+	volatile unsigned long *port_addr;
+	unsigned int *buf = buffer;
+
+	port_addr = (volatile unsigned long *)PORT2ADDR(port);
+
+	while (count--)
+		*buf++ = *port_addr;
+}
+
+void microdev_outsb(unsigned long port, const void *buffer, unsigned long count)
+{
+	volatile unsigned char *port_addr;
+	const unsigned char *buf = buffer;
+
+	port_addr = (volatile unsigned char *)PORT2ADDR(port);
+
+	while (count--)
+		*port_addr = *buf++;
+}
+
+void microdev_outsw(unsigned long port, const void *buffer, unsigned long count)
+{
+	volatile unsigned short *port_addr;
+	const unsigned short *buf = buffer;
+
+	port_addr = (volatile unsigned short *)PORT2ADDR(port);
+
+	while (count--)
+		*port_addr = *buf++;
+}
+
+void microdev_outsl(unsigned long port, const void *buffer, unsigned long count)
+{
+	volatile unsigned long *port_addr;
+	const unsigned int *buf = buffer;
+
+	port_addr = (volatile unsigned long *)PORT2ADDR(port);
+
+	while (count--)
+		*port_addr = *buf++;
+}
+
+/*
+ * map I/O ports to memory-mapped addresses
+ */
+unsigned long microdev_isa_port2addr(unsigned long offset)
+{
+	unsigned long result;
+
+	if ((offset >= IO_LAN91C111_BASE) &&
+	    (offset <  IO_LAN91C111_BASE + IO_LAN91C111_EXTENT)) {
+			/*
+			 *	SMSC LAN91C111 Ethernet chip
+			 */
+		result = IO_LAN91C111_PHYS + offset - IO_LAN91C111_BASE;
+	} else if ((offset >= IO_SUPERIO_BASE) &&
+		   (offset <  IO_SUPERIO_BASE + IO_SUPERIO_EXTENT)) {
+			/*
+			 *	SMSC FDC37C93xAPM SuperIO chip
+			 *
+			 *	Configuration Registers
+			 */
+		result = IO_SUPERIO_PHYS + (offset << 1);
+#if 0
+	} else if (offset == KBD_DATA_REG || offset == KBD_CNTL_REG ||
+		   offset == KBD_STATUS_REG) {
+			/*
+			 *	SMSC FDC37C93xAPM SuperIO chip
+			 *
+			 *	PS/2 Keyboard + Mouse (ports 0x60 and 0x64).
+			 */
+	        result = IO_SUPERIO_PHYS + (offset << 1);
+#endif
+	} else if (((offset >= IO_IDE1_BASE) &&
+		    (offset <  IO_IDE1_BASE + IO_IDE_EXTENT)) ||
+		    (offset == IO_IDE1_MISC)) {
+			/*
+			 *	SMSC FDC37C93xAPM SuperIO chip
+			 *
+			 *	IDE #1
+			 */
+	        result = IO_SUPERIO_PHYS + (offset << 1);
+	} else if (((offset >= IO_IDE2_BASE) &&
+		    (offset <  IO_IDE2_BASE + IO_IDE_EXTENT)) ||
+		    (offset == IO_IDE2_MISC)) {
+			/*
+			 *	SMSC FDC37C93xAPM SuperIO chip
+			 *
+			 *	IDE #2
+			 */
+	        result = IO_SUPERIO_PHYS + (offset << 1);
+	} else if ((offset >= IO_SERIAL1_BASE) &&
+		   (offset <  IO_SERIAL1_BASE + IO_SERIAL_EXTENT)) {
+			/*
+			 *	SMSC FDC37C93xAPM SuperIO chip
+			 *
+			 *	Serial #1
+			 */
+		result = IO_SUPERIO_PHYS + (offset << 1);
+	} else if ((offset >= IO_SERIAL2_BASE) &&
+		   (offset <  IO_SERIAL2_BASE + IO_SERIAL_EXTENT)) {
+			/*
+			 *	SMSC FDC37C93xAPM SuperIO chip
+			 *
+			 *	Serial #2
+			 */
+		result = IO_SUPERIO_PHYS + (offset << 1);
+	} else if ((offset >= IO_ISP1161_BASE) &&
+		   (offset < IO_ISP1161_BASE + IO_ISP1161_EXTENT)) {
+			/*
+			 *	Philips USB ISP1161x chip
+			 */
+		result = IO_ISP1161_PHYS + offset - IO_ISP1161_BASE;
+	} else {
+			/*
+			 *	safe default.
+			 */
+		printk("Warning: unexpected port in %s( offset = 0x%lx )\n",
+		       __FUNCTION__, offset);
+		result = PVR;
+	}
+
+	return result;
+}
+

arch/sh/boards/superh/microdev/irq.c

+/*
+ * arch/sh/boards/superh/microdev/irq.c
+ *
+ * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com)
+ *
+ * SuperH SH4-202 MicroDev board support.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/mach/irq.h>
+
+#define NUM_EXTERNAL_IRQS 16	/* IRL0 .. IRL15 */
+
+
+static const struct {
+	unsigned char fpgaIrq;
+	unsigned char mapped;
+	const char *name;
+} fpgaIrqTable[NUM_EXTERNAL_IRQS] = {
+	{ 0,				0,	"unused"   },		/* IRQ #0	IRL=15	0x200  */
+	{ MICRODEV_FPGA_IRQ_KEYBOARD,	1,	"keyboard" },		/* IRQ #1	IRL=14	0x220  */
+	{ MICRODEV_FPGA_IRQ_SERIAL1,	1,	"Serial #1"},		/* IRQ #2	IRL=13	0x240  */
+	{ MICRODEV_FPGA_IRQ_ETHERNET,	1,	"Ethernet" },		/* IRQ #3	IRL=12	0x260  */
+	{ MICRODEV_FPGA_IRQ_SERIAL2,	0,	"Serial #2"},		/* IRQ #4	IRL=11	0x280  */
+	{ 0,				0,	"unused"   },		/* IRQ #5	IRL=10	0x2a0  */
+	{ 0,				0,	"unused"   },		/* IRQ #6	IRL=9	0x2c0  */
+	{ MICRODEV_FPGA_IRQ_USB_HC,	1,	"USB"	   },		/* IRQ #7	IRL=8	0x2e0  */
+	{ MICRODEV_IRQ_PCI_INTA,	1,	"PCI INTA" },		/* IRQ #8	IRL=7	0x300  */
+	{ MICRODEV_IRQ_PCI_INTB,	1,	"PCI INTB" },		/* IRQ #9	IRL=6	0x320  */
+	{ MICRODEV_IRQ_PCI_INTC,	1,	"PCI INTC" },		/* IRQ #10	IRL=5	0x340  */
+	{ MICRODEV_IRQ_PCI_INTD,	1,	"PCI INTD" },		/* IRQ #11	IRL=4	0x360  */
+	{ MICRODEV_FPGA_IRQ_MOUSE,	1,	"mouse"    },		/* IRQ #12	IRL=3	0x380  */
+	{ MICRODEV_FPGA_IRQ_IDE2,	1,	"IDE #2"   },		/* IRQ #13	IRL=2	0x3a0  */
+	{ MICRODEV_FPGA_IRQ_IDE1,	1,	"IDE #1"   },		/* IRQ #14	IRL=1	0x3c0  */
+	{ 0,				0,	"unused"   },		/* IRQ #15	IRL=0	0x3e0  */
+};
+
+#if (MICRODEV_LINUX_IRQ_KEYBOARD != 1)
+#  error Inconsistancy in defining the IRQ# for Keyboard!
+#endif
+
+#if (MICRODEV_LINUX_IRQ_ETHERNET != 3)
+#  error Inconsistancy in defining the IRQ# for Ethernet!
+#endif
+
+#if (MICRODEV_LINUX_IRQ_USB_HC != 7)
+#  error Inconsistancy in defining the IRQ# for USB!
+#endif
+
+#if (MICRODEV_LINUX_IRQ_MOUSE != 12)
+#  error Inconsistancy in defining the IRQ# for PS/2 Mouse!
+#endif
+
+#if (MICRODEV_LINUX_IRQ_IDE2 != 13)
+#  error Inconsistancy in defining the IRQ# for secondary IDE!
+#endif
+
+#if (MICRODEV_LINUX_IRQ_IDE1 != 14)
+#  error Inconsistancy in defining the IRQ# for primary IDE!
+#endif
+
+static void enable_microdev_irq(unsigned int irq);
+static void disable_microdev_irq(unsigned int irq);
+
+	/* shutdown is same as "disable" */
+#define shutdown_microdev_irq disable_microdev_irq
+
+static void mask_and_ack_microdev(unsigned int);
+static void end_microdev_irq(unsigned int irq);
+
+static unsigned int startup_microdev_irq(unsigned int irq)
+{
+	enable_microdev_irq(irq);
+	return 0;		/* never anything pending */
+}
+
+static struct hw_interrupt_type microdev_irq_type = {
+	"MicroDev-IRQ",
+	startup_microdev_irq,
+	shutdown_microdev_irq,
+	enable_microdev_irq,
+	disable_microdev_irq,
+	mask_and_ack_microdev,
+	end_microdev_irq
+};
+
+static void disable_microdev_irq(unsigned int irq)
+{
+	unsigned int flags;
+	unsigned int fpgaIrq;
+
+	if (irq >= NUM_EXTERNAL_IRQS) return;
+	if (!fpgaIrqTable[irq].mapped) return;
+
+	fpgaIrq = fpgaIrqTable[irq].fpgaIrq;
+
+		/* disable interrupts */
+	local_irq_save(flags);
+
+		/* disable interupts on the FPGA INTC register */
+	ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTDSB_REG);
+
+		/* restore interrupts */
+	local_irq_restore(flags);
+}
+
+static void enable_microdev_irq(unsigned int irq)
+{
+	unsigned long priorityReg, priorities, pri;
+	unsigned int flags;
+	unsigned int fpgaIrq;
+
+
+	if (irq >= NUM_EXTERNAL_IRQS) return;
+	if (!fpgaIrqTable[irq].mapped) return;
+
+	pri = 15 - irq;
+
+	fpgaIrq = fpgaIrqTable[irq].fpgaIrq;
+	priorityReg = MICRODEV_FPGA_INTPRI_REG(fpgaIrq);
+
+		/* disable interrupts */
+	local_irq_save(flags);
+
+		/* set priority for the interrupt */
+	priorities = ctrl_inl(priorityReg);
+	priorities &= ~MICRODEV_FPGA_INTPRI_MASK(fpgaIrq);
+	priorities |= MICRODEV_FPGA_INTPRI_LEVEL(fpgaIrq, pri);
+	ctrl_outl(priorities, priorityReg);
+
+		/* enable interupts on the FPGA INTC register */
+	ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG);
+
+		/* restore interrupts */
+	local_irq_restore(flags);
+}
+
+	/* This functions sets the desired irq handler to be a MicroDev type */
+static void __init make_microdev_irq(unsigned int irq)
+{
+	disable_irq_nosync(irq);
+	irq_desc[irq].handler = &microdev_irq_type;
+	disable_microdev_irq(irq);
+}
+
+static void mask_and_ack_microdev(unsigned int irq)
+{
+	disable_microdev_irq(irq);
+}
+
+static void end_microdev_irq(unsigned int irq)
+{
+	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
+	{
+		enable_microdev_irq(irq);
+	}
+}
+
+extern void __init init_microdev_irq(void)
+{
+	int i;
+
+		/* disable interupts on the FPGA INTC register */
+	ctrl_outl(~0ul, MICRODEV_FPGA_INTDSB_REG);
+
+	for (i = 0; i < NUM_EXTERNAL_IRQS; i++)
+	{
+		make_microdev_irq(i);
+	}
+}
+
+extern void microdev_print_fpga_intc_status(void)
+{
+	volatile unsigned int * const intenb = (unsigned int*)MICRODEV_FPGA_INTENB_REG;
+	volatile unsigned int * const intdsb = (unsigned int*)MICRODEV_FPGA_INTDSB_REG;
+	volatile unsigned int * const intpria = (unsigned int*)MICRODEV_FPGA_INTPRI_REG(0);
+	volatile unsigned int * const intprib = (unsigned int*)MICRODEV_FPGA_INTPRI_REG(8);
+	volatile unsigned int * const intpric = (unsigned int*)MICRODEV_FPGA_INTPRI_REG(16);
+	volatile unsigned int * const intprid = (unsigned int*)MICRODEV_FPGA_INTPRI_REG(24);
+	volatile unsigned int * const intsrc = (unsigned int*)MICRODEV_FPGA_INTSRC_REG;
+	volatile unsigned int * const intreq = (unsigned int*)MICRODEV_FPGA_INTREQ_REG;
+
+	printk("-------------------------- microdev_print_fpga_intc_status() ------------------\n");
+	printk("FPGA_INTENB = 0x%08x\n", *intenb);
+	printk("FPGA_INTDSB = 0x%08x\n", *intdsb);
+	printk("FPGA_INTSRC = 0x%08x\n", *intsrc);
+	printk("FPGA_INTREQ = 0x%08x\n", *intreq);
+	printk("FPGA_INTPRI[3..0] = %08x:%08x:%08x:%08x\n", *intprid, *intpric, *intprib, *intpria);
+	printk("-------------------------------------------------------------------------------\n");
+}
+
+

arch/sh/boards/superh/microdev/led.c

+/*
+ * linux/arch/sh/kernel/led_microdev.c
+ *
+ * Copyright (C) 2002 Stuart Menefy <stuart.menefy@st.com>
+ * Copyright (C) 2003 Richard Curnow (Richard.Curnow@superh.com)
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ */
+
+#include <linux/config.h>
+#include <asm/io.h>
+
+#define LED_REGISTER 0xa6104d20
+
+static void mach_led_d9(int value)
+{
+	unsigned long reg;
+	reg = ctrl_inl(LED_REGISTER);
+	reg &= ~1;
+	reg |= (value & 1);
+	ctrl_outl(reg, LED_REGISTER);
+	return;
+}
+
+static void mach_led_d10(int value)
+{
+	unsigned long reg;
+	reg = ctrl_inl(LED_REGISTER);
+	reg &= ~2;
+	reg |= ((value & 1) << 1);
+	ctrl_outl(reg, LED_REGISTER);
+	return;
+}
+
+
+#ifdef CONFIG_HEARTBEAT
+#include <linux/sched.h>
+
+static unsigned char banner_table[] = {
+	0x11, 0x01, 0x11, 0x01, 0x11, 0x03,
+	0x11, 0x01, 0x11, 0x01, 0x13, 0x03,
+	0x11, 0x01, 0x13, 0x01, 0x13, 0x01, 0x11, 0x03,
+	0x11, 0x03,
+	0x11, 0x01, 0x13, 0x01, 0x11, 0x03,
+	0x11, 0x01, 0x11, 0x01, 0x11, 0x01, 0x11, 0x07,
+	0x13, 0x01, 0x13, 0x03,
+	0x11, 0x01, 0x11, 0x03,
+	0x13, 0x01, 0x11, 0x01, 0x13, 0x01, 0x11, 0x03,
+	0x11, 0x01, 0x13, 0x01, 0x11, 0x03,
+	0x13, 0x01, 0x13, 0x01, 0x13, 0x03,
+	0x13, 0x01, 0x11, 0x01, 0x11, 0x03,
+	0x11, 0x03,
+	0x11, 0x01, 0x11, 0x01, 0x11, 0x01, 0x13, 0x07,
+	0xff
+};
+
+static void banner(void)
+{
+	static int pos = 0;
+	static int count = 0;
+
+	if (count) {
+		count--;
+	} else {
+		int val = banner_table[pos];
+		if (val == 0xff) {
+			pos = 0;
+			val = banner_table[pos];
+		}
+		pos++;
+		mach_led_d10((val >> 4) & 1);
+		count = 10 * (val & 0xf);
+	}
+}
+
+/* From heartbeat_harp in the stboards directory */
+/* acts like an actual heart beat -- ie thump-thump-pause... */
+void microdev_heartbeat(void)
+{
+	static unsigned cnt = 0, period = 0, dist = 0;
+
+	if (cnt == 0 || cnt == dist)
+		mach_led_d9(1);
+	else if (cnt == 7 || cnt == dist+7)
+		mach_led_d9(0);
+
+	if (++cnt > period) {
+		cnt = 0;
+		/* The hyperbolic function below modifies the heartbeat period
+		 * length in dependency of the current (5min) load. It goes
+		 * through the points f(0)=126, f(1)=86, f(5)=51,
+		 * f(inf)->30. */
+		period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30;
+		dist = period / 4;
+	}
+
+	banner();
+}
+
+#endif

arch/sh/boards/superh/microdev/setup.c

+/*
+ * arch/sh/boards/superh/microdev/setup.c
+ *
+ * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com)
+ * Copyright (C) 2003, 2004 SuperH, Inc.
+ * Copyright (C) 2004 Paul Mundt
+ *
+ * SuperH SH4-202 MicroDev board support.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/ioport.h>
+#include <asm/io.h>
+#include <asm/mach/irq.h>
+#include <asm/mach/io.h>
+#include <asm/machvec.h>
+#include <asm/machvec_init.h>
+
+extern void microdev_heartbeat(void);
+
+/*
+ * The Machine Vector
+ */
+
+struct sh_machine_vector mv_sh4202_microdev __initmv = {
+	.mv_nr_irqs		= 72,		/* QQQ need to check this - use the MACRO */
+
+	.mv_inb			= microdev_inb,
+	.mv_inw			= microdev_inw,
+	.mv_inl			= microdev_inl,
+	.mv_outb		= microdev_outb,
+	.mv_outw		= microdev_outw,
+	.mv_outl		= microdev_outl,
+
+	.mv_inb_p		= microdev_inb_p,
+	.mv_inw_p		= microdev_inw_p,
+	.mv_inl_p		= microdev_inl_p,
+	.mv_outb_p		= microdev_outb_p,
+	.mv_outw_p		= microdev_outw_p,
+	.mv_outl_p		= microdev_outl_p,
+
+	.mv_insb		= microdev_insb,
+	.mv_insw		= microdev_insw,
+	.mv_insl		= microdev_insl,
+	.mv_outsb		= microdev_outsb,
+	.mv_outsw		= microdev_outsw,
+	.mv_outsl		= microdev_outsl,
+
+	.mv_isa_port2addr	= microdev_isa_port2addr,
+
+	.mv_init_irq		= init_microdev_irq,
+
+#ifdef CONFIG_HEARTBEAT
+	.mv_heartbeat		= microdev_heartbeat,
+#endif
+};
+ALIAS_MV(sh4202_microdev)
+
+/****************************************************************************/
+
+
+	/*
+	 * Setup for the SMSC FDC37C93xAPM
+	 */
+#define SMSC_CONFIG_PORT_ADDR	 (0x3F0)
+#define SMSC_INDEX_PORT_ADDR	 SMSC_CONFIG_PORT_ADDR
+#define SMSC_DATA_PORT_ADDR	 (SMSC_INDEX_PORT_ADDR + 1)
+
+#define SMSC_ENTER_CONFIG_KEY	 0x55
+#define SMSC_EXIT_CONFIG_KEY	 0xaa
+
+#define SMCS_LOGICAL_DEV_INDEX 	 0x07	/* Logical Device Number */
+#define SMSC_DEVICE_ID_INDEX	 0x20	/* Device ID */
+#define SMSC_DEVICE_REV_INDEX	 0x21	/* Device Revision */
+#define SMSC_ACTIVATE_INDEX	 0x30	/* Activate */
+#define SMSC_PRIMARY_BASE_INDEX	 0x60	/* Primary Base Address */
+#define SMSC_SECONDARY_BASE_INDEX 0x62	/* Secondary Base Address */
+#define SMSC_PRIMARY_INT_INDEX	 0x70	/* Primary Interrupt Select */
+#define SMSC_SECONDARY_INT_INDEX 0x72	/* Secondary Interrupt Select */
+#define SMSC_HDCS0_INDEX	 0xf0	/* HDCS0 Address Decoder */
+#define SMSC_HDCS1_INDEX	 0xf1	/* HDCS1 Address Decoder */
+
+#define SMSC_IDE1_DEVICE	1	/* IDE #1 logical device */
+#define SMSC_IDE2_DEVICE	2	/* IDE #2 logical device */
+#define SMSC_PARALLEL_DEVICE	3	/* Parallel Port logical device */
+#define SMSC_SERIAL1_DEVICE	4	/* Serial #1 logical device */
+#define SMSC_SERIAL2_DEVICE	5	/* Serial #2 logical device */
+#define SMSC_KEYBOARD_DEVICE	7	/* Keyboard logical device */
+#define SMSC_CONFIG_REGISTERS	8	/* Configuration Registers (Aux I/O) */
+
+#define SMSC_READ_INDEXED(index) ({ \
+	outb((index), SMSC_INDEX_PORT_ADDR); \
+	inb(SMSC_DATA_PORT_ADDR); })
+#define SMSC_WRITE_INDEXED(val, index) ({ \
+	outb((index), SMSC_INDEX_PORT_ADDR); \
+	outb((val),   SMSC_DATA_PORT_ADDR); })
+
+#define	IDE1_PRIMARY_BASE	0x01f0	/* Task File Registe base for IDE #1 */
+#define	IDE1_SECONDARY_BASE	0x03f6	/* Miscellaneous AT registers for IDE #1 */
+#define	IDE2_PRIMARY_BASE	0x0170	/* Task File Registe base for IDE #2 */
+#define	IDE2_SECONDARY_BASE	0x0376	/* Miscellaneous AT registers for IDE #2 */
+
+#define SERIAL1_PRIMARY_BASE	0x03f8
+#define SERIAL2_PRIMARY_BASE	0x02f8
+
+#define	MSB(x)		( (x) >> 8 )
+#define	LSB(x)		( (x) & 0xff )
+
+	/* General-Purpose base address on CPU-board FPGA */
+#define	MICRODEV_FPGA_GP_BASE		0xa6100000ul
+
+	/* assume a Keyboard Controller is present */
+int microdev_kbd_controller_present = 1;
+
+const char *get_system_type(void)
+{
+	return "SH4-202 MicroDev";
+}
+
+static struct resource smc91x_resources[] = {
+	[0] = {
+		.start		= 0x300,
+		.end		= 0x300 + 0x0001000 - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start		= MICRODEV_LINUX_IRQ_ETHERNET,
+		.end		= MICRODEV_LINUX_IRQ_ETHERNET,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device smc91x_device = {
+	.name		= "smc91x",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(smc91x_resources),
+	.resource	= smc91x_resources,
+};
+
+static int __init smc91x_setup(void)
+{
+	return platform_device_register(&smc91x_device);
+}
+
+__initcall(smc91x_setup);
+
+	/*
+	 * Initialize the board
+	 */
+void __init platform_setup(void)
+{
+	int * const fpgaRevisionRegister = (int*)(MICRODEV_FPGA_GP_BASE + 0x8ul);
+	const int fpgaRevision = *fpgaRevisionRegister;
+	int * const CacheControlRegister = (int*)CCR;
+
+	printk("SuperH %s board (FPGA rev: 0x%0x, CCR: 0x%0x)\n",
+		get_system_type(), fpgaRevision, *CacheControlRegister);
+}
+
+
+/****************************************************************************/
+
+
+	/*
+	 * Setup for the SMSC FDC37C93xAPM
+	 */
+static int __init smsc_superio_setup(void)
+{
+
+	unsigned char devid, devrev;
+
+		/* Initially the chip is in run state */
+		/* Put it into configuration state */
+	outb(SMSC_ENTER_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR);
+
+		/* Read device ID info */
+	devid  = SMSC_READ_INDEXED(SMSC_DEVICE_ID_INDEX);
+	devrev = SMSC_READ_INDEXED(SMSC_DEVICE_REV_INDEX);
+	if ( (devid==0x30) && (devrev==0x01) )
+	{
+  		printk("SMSC FDC37C93xAPM SuperIO device detected\n");
+	}
+	else
+	{		/* not the device identity we expected */
+		printk("Not detected a SMSC FDC37C93xAPM SuperIO device (devid=0x%02x, rev=0x%02x)\n",
+			devid, devrev);
+			/* inform the keyboard driver that we have no keyboard controller */
+		microdev_kbd_controller_present = 0;
+			/* little point in doing anything else in this functon */
+		return 0;
+	}
+
+		/* Select the keyboard device */
+	SMSC_WRITE_INDEXED(SMSC_KEYBOARD_DEVICE, SMCS_LOGICAL_DEV_INDEX);
+		/* enable it */
+	SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX);
+		/* enable the interrupts */
+	SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_KEYBOARD, SMSC_PRIMARY_INT_INDEX);
+	SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_MOUSE, SMSC_SECONDARY_INT_INDEX);
+
+		/* Select the Serial #1 device */
+	SMSC_WRITE_INDEXED(SMSC_SERIAL1_DEVICE, SMCS_LOGICAL_DEV_INDEX);
+		/* enable it */
+	SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX);
+		/* program with port addresses */
+	SMSC_WRITE_INDEXED(MSB(SERIAL1_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+0);
+	SMSC_WRITE_INDEXED(LSB(SERIAL1_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+1);
+	SMSC_WRITE_INDEXED(0x00, SMSC_HDCS0_INDEX);
+		/* enable the interrupts */
+	SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_SERIAL1, SMSC_PRIMARY_INT_INDEX);
+
+		/* Select the Serial #2 device */
+	SMSC_WRITE_INDEXED(SMSC_SERIAL2_DEVICE, SMCS_LOGICAL_DEV_INDEX);
+		/* enable it */
+	SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX);
+		/* program with port addresses */
+	SMSC_WRITE_INDEXED(MSB(SERIAL2_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+0);
+	SMSC_WRITE_INDEXED(LSB(SERIAL2_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+1);
+	SMSC_WRITE_INDEXED(0x00, SMSC_HDCS0_INDEX);
+		/* enable the interrupts */
+	SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_SERIAL2, SMSC_PRIMARY_INT_INDEX);
+
+		/* Select the IDE#1 device */
+	SMSC_WRITE_INDEXED(SMSC_IDE1_DEVICE, SMCS_LOGICAL_DEV_INDEX);
+		/* enable it */
+	SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX);
+		/* program with port addresses */
+	SMSC_WRITE_INDEXED(MSB(IDE1_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+0);
+	SMSC_WRITE_INDEXED(LSB(IDE1_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+1);
+	SMSC_WRITE_INDEXED(MSB(IDE1_SECONDARY_BASE), SMSC_SECONDARY_BASE_INDEX+0);
+	SMSC_WRITE_INDEXED(LSB(IDE1_SECONDARY_BASE), SMSC_SECONDARY_BASE_INDEX+1);
+	SMSC_WRITE_INDEXED(0x0c, SMSC_HDCS0_INDEX);
+	SMSC_WRITE_INDEXED(0x00, SMSC_HDCS1_INDEX);
+		/* select the interrupt */
+	SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_IDE1, SMSC_PRIMARY_INT_INDEX);
+
+		/* Select the IDE#2 device */
+	SMSC_WRITE_INDEXED(SMSC_IDE2_DEVICE, SMCS_LOGICAL_DEV_INDEX);
+		/* enable it */
+	SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX);
+		/* program with port addresses */
+	SMSC_WRITE_INDEXED(MSB(IDE2_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+0);
+	SMSC_WRITE_INDEXED(LSB(IDE2_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+1);
+	SMSC_WRITE_INDEXED(MSB(IDE2_SECONDARY_BASE), SMSC_SECONDARY_BASE_INDEX+0);
+	SMSC_WRITE_INDEXED(LSB(IDE2_SECONDARY_BASE), SMSC_SECONDARY_BASE_INDEX+1);
+		/* select the interrupt */
+	SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_IDE2, SMSC_PRIMARY_INT_INDEX);
+
+		/* Select the configuration registers */
+	SMSC_WRITE_INDEXED(SMSC_CONFIG_REGISTERS, SMCS_LOGICAL_DEV_INDEX);
+		/* enable the appropriate GPIO pins for IDE functionality:
+		 * bit[0]   In/Out		1==input;  0==output
+		 * bit[1]   Polarity		1==invert; 0==no invert
+		 * bit[2]   Int Enb #1		1==Enable Combined IRQ #1; 0==disable
+		 * bit[3:4] Function Select	00==original; 01==Alternate Function #1
+		 */
+	SMSC_WRITE_INDEXED(0x00, 0xc2);	/* GP42 = nIDE1_OE */
+	SMSC_WRITE_INDEXED(0x01, 0xc5);	/* GP45 = IDE1_IRQ */
+	SMSC_WRITE_INDEXED(0x00, 0xc6);	/* GP46 = nIOROP */
+	SMSC_WRITE_INDEXED(0x00, 0xc7);	/* GP47 = nIOWOP */
+	SMSC_WRITE_INDEXED(0x08, 0xe8);	/* GP20 = nIDE2_OE */
+
+		/* Exit the configuraton state */
+	outb(SMSC_EXIT_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR);
+
+	return 0;
+}
+
+
+/* This is grotty, but, because kernel is always referenced on the link line
+ * before any devices, this is safe.
+ */
+__initcall(smsc_superio_setup);

include/asm-sh/microdev/io.h

+/*
+ * linux/include/asm-sh/io_microdev.h
+ *
+ * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com)
+ *
+ * IO functions for the SuperH SH4-202 MicroDev board.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ */
+
+
+#ifndef _ASM_SH_IO_MICRODEV_H
+#define _ASM_SH_IO_MICRODEV_H
+
+extern unsigned long microdev_isa_port2addr(unsigned long offset);
+
+extern unsigned char microdev_inb(unsigned long port);
+extern unsigned short microdev_inw(unsigned long port);
+extern unsigned int microdev_inl(unsigned long port);
+
+extern void microdev_outb(unsigned char value, unsigned long port);
+extern void microdev_outw(unsigned short value, unsigned long port);
+extern void microdev_outl(unsigned int value, unsigned long port);
+
+extern unsigned char microdev_inb_p(unsigned long port);
+extern unsigned short microdev_inw_p(unsigned long port);
+extern unsigned int microdev_inl_p(unsigned long port);
+
+extern void microdev_outb_p(unsigned char value, unsigned long port);
+extern void microdev_outw_p(unsigned short value, unsigned long port);
+extern void microdev_outl_p(unsigned int value, unsigned long port);
+
+extern void microdev_insb(unsigned long port, void *addr, unsigned long count);
+extern void microdev_insw(unsigned long port, void *addr, unsigned long count);
+extern void microdev_insl(unsigned long port, void *addr, unsigned long count);
+
+extern void microdev_outsb(unsigned long port, const void *addr, unsigned long count);
+extern void microdev_outsw(unsigned long port, const void *addr, unsigned long count);
+extern void microdev_outsl(unsigned long port, const void *addr, unsigned long count);
+
+#if defined(CONFIG_PCI)
+extern unsigned char  microdev_pci_inb(unsigned long port);
+extern unsigned short microdev_pci_inw(unsigned long port);
+extern unsigned long  microdev_pci_inl(unsigned long port);
+extern void           microdev_pci_outb(unsigned char  data, unsigned long port);
+extern void           microdev_pci_outw(unsigned short data, unsigned long port);
+extern void           microdev_pci_outl(unsigned long  data, unsigned long port);
+#endif
+
+#endif /* _ASM_SH_IO_MICRODEV_H */
+

include/asm-sh/microdev/irq.h

+/*
+ * linux/include/asm-sh/irq_microdev.h
+ *
+ * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com)
+ *
+ * IRQ functions for the SuperH SH4-202 MicroDev board.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ */
+
+
+#ifndef _ASM_SH_IRQ_MICRODEV_H
+#define _ASM_SH_IRQ_MICRODEV_H
+
+extern void init_microdev_irq(void);
+extern void microdev_print_fpga_intc_status(void);
+
+
+	/*
+	 *	The following are useful macros for manipulating the
+	 *	interrupt controller (INTC) on the CPU-board FPGA.
+	 *	It should be noted that there is an INTC on the FPGA,
+	 *	and a seperate INTC on the SH4-202 core - these are
+	 *	two different things, both of which need to be prorammed
+	 *	to correctly route - unfortunately, they have the
+	 *	same name and abbreviations!
+	 */
+#define	MICRODEV_FPGA_INTC_BASE		0xa6110000ul				/* INTC base address on CPU-board FPGA */
+#define	MICRODEV_FPGA_INTENB_REG	(MICRODEV_FPGA_INTC_BASE+0ul)		/* Interrupt Enable Register on INTC on CPU-board FPGA */
+#define	MICRODEV_FPGA_INTDSB_REG	(MICRODEV_FPGA_INTC_BASE+8ul)		/* Interrupt Disable Register on INTC on CPU-board FPGA */
+#define	MICRODEV_FPGA_INTC_MASK(n)	(1ul<<(n))				/* Interupt mask to enable/disable INTC in CPU-board FPGA */
+#define	MICRODEV_FPGA_INTPRI_REG(n)	(MICRODEV_FPGA_INTC_BASE+0x10+((n)/8)*8)/* Interrupt Priority Register on INTC on CPU-board FPGA */
+#define	MICRODEV_FPGA_INTPRI_LEVEL(n,x)	((x)<<(((n)%8)*4))			/* MICRODEV_FPGA_INTPRI_LEVEL(int_number, int_level) */
+#define	MICRODEV_FPGA_INTPRI_MASK(n)	(MICRODEV_FPGA_INTPRI_LEVEL((n),0xful))	/* Interrupt Priority Mask on INTC on CPU-board FPGA */
+#define	MICRODEV_FPGA_INTSRC_REG	(MICRODEV_FPGA_INTC_BASE+0x30ul)	/* Interrupt Source Register on INTC on CPU-board FPGA */
+#define	MICRODEV_FPGA_INTREQ_REG	(MICRODEV_FPGA_INTC_BASE+0x38ul)	/* Interrupt Request Register on INTC on CPU-board FPGA */
+
+
+	/*
+	 *	The following are the IRQ numbers for the Linux Kernel for external interrupts.
+	 *	i.e. the numbers seen by 'cat /proc/interrupt'.
+	 */
+#define MICRODEV_LINUX_IRQ_KEYBOARD	 1	/* SuperIO Keyboard */
+#define MICRODEV_LINUX_IRQ_SERIAL1	 2	/* SuperIO Serial #1 */
+#define MICRODEV_LINUX_IRQ_ETHERNET	 3	/* on-board Ethnernet */
+#define MICRODEV_LINUX_IRQ_SERIAL2	 4	/* SuperIO Serial #2 */
+#define MICRODEV_LINUX_IRQ_USB_HC	 7	/* on-board USB HC */
+#define MICRODEV_LINUX_IRQ_MOUSE	12	/* SuperIO PS/2 Mouse */
+#define MICRODEV_LINUX_IRQ_IDE2		13	/* SuperIO IDE #2 */
+#define MICRODEV_LINUX_IRQ_IDE1		14	/* SuperIO IDE #1 */
+
+	/*
+	 *	The following are the IRQ numbers for the INTC on the FPGA for external interrupts.
+	 *	i.e. the bits in the INTC registers in the FPGA.
+	 */
+#define MICRODEV_FPGA_IRQ_KEYBOARD	 1	/* SuperIO Keyboard */
+#define MICRODEV_FPGA_IRQ_SERIAL1	 3	/* SuperIO Serial #1 */
+#define MICRODEV_FPGA_IRQ_SERIAL2	 4	/* SuperIO Serial #2 */
+#define MICRODEV_FPGA_IRQ_MOUSE		12	/* SuperIO PS/2 Mouse */
+#define MICRODEV_FPGA_IRQ_IDE1		14	/* SuperIO IDE #1 */
+#define MICRODEV_FPGA_IRQ_IDE2		15	/* SuperIO IDE #2 */
+#define MICRODEV_FPGA_IRQ_USB_HC	16	/* on-board USB HC */
+#define MICRODEV_FPGA_IRQ_ETHERNET	18	/* on-board Ethnernet */
+
+#define MICRODEV_IRQ_PCI_INTA		 8
+#define MICRODEV_IRQ_PCI_INTB		 9
+#define MICRODEV_IRQ_PCI_INTC		10
+#define MICRODEV_IRQ_PCI_INTD		11
+
+#endif /* _ASM_SH_IRQ_MICRODEV_H */