4 files changed, 363 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-se/7206/Makefile b/arch/sh/boards/mach-se/7206/Makefile
new file mode 100644
index 000000000000..63e7ed699f39
--- /dev/null
+++ b/arch/sh/boards/mach-se/7206/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the 7206 SolutionEngine specific parts of the kernel
+#
+
+obj-y	 := setup.o io.o irq.o
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 000000000000..1308e618e044
--- /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++;
+}
diff --git a/arch/sh/boards/mach-se/7206/irq.c b/arch/sh/boards/mach-se/7206/irq.c
new file mode 100644
index 000000000000..9d5bfc77d0de
--- /dev/null
+++ b/arch/sh/boards/mach-se/7206/irq.c
@@ -0,0 +1,146 @@
+/*
+ * linux/arch/sh/boards/se/7206/irq.c
+ *
+ * Copyright (C) 2005,2006 Yoshinori Sato
+ *
+ * Hitachi SolutionEngine Support.
+ *
+ */
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <asm/se7206.h>
+
+#define INTSTS0 0x31800000
+#define INTSTS1 0x31800002
+#define INTMSK0 0x31800004
+#define INTMSK1 0x31800006
+#define INTSEL  0x31800008
+
+#define IRQ0_IRQ 64
+#define IRQ1_IRQ 65
+#define IRQ3_IRQ 67
+
+#define INTC_IPR01 0xfffe0818
+#define INTC_ICR1  0xfffe0802
+
+static void disable_se7206_irq(unsigned int irq)
+{
+	unsigned short val;
+	unsigned short mask = 0xffff ^ (0x0f << 4 * (3 - (IRQ0_IRQ - irq)));
+	unsigned short msk0,msk1;
+
+	/* Set the priority in IPR to 0 */
+	val = ctrl_inw(INTC_IPR01);
+	val &= mask;
+	ctrl_outw(val, INTC_IPR01);
+	/* FPGA mask set */
+	msk0 = ctrl_inw(INTMSK0);
+	msk1 = ctrl_inw(INTMSK1);
+
+	switch (irq) {
+	case IRQ0_IRQ:
+		msk0 |= 0x0010;
+		break;
+	case IRQ1_IRQ:
+		msk0 |= 0x000f;
+		break;
+	case IRQ3_IRQ:
+		msk0 |= 0x0f00;
+		msk1 |= 0x00ff;
+		break;
+	}
+	ctrl_outw(msk0, INTMSK0);
+	ctrl_outw(msk1, INTMSK1);
+}
+
+static void enable_se7206_irq(unsigned int irq)
+{
+	unsigned short val;
+	unsigned short value = (0x0001 << 4 * (3 - (IRQ0_IRQ - irq)));
+	unsigned short msk0,msk1;
+
+	/* Set priority in IPR back to original value */
+	val = ctrl_inw(INTC_IPR01);
+	val |= value;
+	ctrl_outw(val, INTC_IPR01);
+
+	/* FPGA mask reset */
+	msk0 = ctrl_inw(INTMSK0);
+	msk1 = ctrl_inw(INTMSK1);
+
+	switch (irq) {
+	case IRQ0_IRQ:
+		msk0 &= ~0x0010;
+		break;
+	case IRQ1_IRQ:
+		msk0 &= ~0x000f;
+		break;
+	case IRQ3_IRQ:
+		msk0 &= ~0x0f00;
+		msk1 &= ~0x00ff;
+		break;
+	}
+	ctrl_outw(msk0, INTMSK0);
+	ctrl_outw(msk1, INTMSK1);
+}
+
+static void eoi_se7206_irq(unsigned int irq)
+{
+	unsigned short sts0,sts1;
+
+	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
+		enable_se7206_irq(irq);
+	/* FPGA isr clear */
+	sts0 = ctrl_inw(INTSTS0);
+	sts1 = ctrl_inw(INTSTS1);
+
+	switch (irq) {
+	case IRQ0_IRQ:
+		sts0 &= ~0x0010;
+		break;
+	case IRQ1_IRQ:
+		sts0 &= ~0x000f;
+		break;
+	case IRQ3_IRQ:
+		sts0 &= ~0x0f00;
+		sts1 &= ~0x00ff;
+		break;
+	}
+	ctrl_outw(sts0, INTSTS0);
+	ctrl_outw(sts1, INTSTS1);
+}
+
+static struct irq_chip se7206_irq_chip __read_mostly = {
+	.name		= "SE7206-FPGA",
+	.mask		= disable_se7206_irq,
+	.unmask		= enable_se7206_irq,
+	.mask_ack	= disable_se7206_irq,
+	.eoi		= eoi_se7206_irq,
+};
+
+static void make_se7206_irq(unsigned int irq)
+{
+	disable_irq_nosync(irq);
+	set_irq_chip_and_handler_name(irq, &se7206_irq_chip,
+				      handle_level_irq, "level");
+	disable_se7206_irq(irq);
+}
+
+/*
+ * Initialize IRQ setting
+ */
+void __init init_se7206_IRQ(void)
+{
+	make_se7206_irq(IRQ0_IRQ); /* SMC91C111 */
+	make_se7206_irq(IRQ1_IRQ); /* ATA */
+	make_se7206_irq(IRQ3_IRQ); /* SLOT / PCM */
+	ctrl_outw(inw(INTC_ICR1) | 0x000b ,INTC_ICR1 ) ; /* ICR1 */
+
+	/* FPGA System register setup*/
+	ctrl_outw(0x0000,INTSTS0); /* Clear INTSTS0 */
+	ctrl_outw(0x0000,INTSTS1); /* Clear INTSTS1 */
+	/* IRQ0=LAN, IRQ1=ATA, IRQ3=SLT,PCM */
+	ctrl_outw(0x0001,INTSEL);
+}
diff --git a/arch/sh/boards/mach-se/7206/setup.c b/arch/sh/boards/mach-se/7206/setup.c
new file mode 100644
index 000000000000..4fe84cc08406
--- /dev/null
+++ b/arch/sh/boards/mach-se/7206/setup.c
@@ -0,0 +1,108 @@
+/*
+ *
+ * linux/arch/sh/boards/se/7206/setup.c
+ *
+ * Copyright (C) 2006  Yoshinori Sato
+ * Copyright (C) 2007 - 2008  Paul Mundt
+ *
+ * Hitachi 7206 SolutionEngine Support.
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/smc91x.h>
+#include <asm/se7206.h>
+#include <asm/io.h>
+#include <asm/machvec.h>
+#include <asm/heartbeat.h>
+
+static struct resource smc91x_resources[] = {
+	[0] = {
+		.name		= "smc91x-regs",
+		.start		= PA_SMSC + 0x300,
+		.end		= PA_SMSC + 0x300 + 0x020 - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start		= 64,
+		.end		= 64,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct smc91x_platdata smc91x_info = {
+	.flags	= SMC91X_USE_16BIT,
+};
+
+static struct platform_device smc91x_device = {
+	.name		= "smc91x",
+	.id		= -1,
+	.dev		= {
+		.dma_mask		= NULL,
+		.coherent_dma_mask	= 0xffffffff,
+		.platform_data		= &smc91x_info,
+	},
+	.num_resources	= ARRAY_SIZE(smc91x_resources),
+	.resource	= smc91x_resources,
+};
+
+static unsigned char heartbeat_bit_pos[] = { 8, 9, 10, 11, 12, 13, 14, 15 };
+
+static struct heartbeat_data heartbeat_data = {
+	.bit_pos	= heartbeat_bit_pos,
+	.nr_bits	= ARRAY_SIZE(heartbeat_bit_pos),
+	.regsize	= 32,
+};
+
+static struct resource heartbeat_resources[] = {
+	[0] = {
+		.start	= PA_LED,
+		.end	= PA_LED,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device heartbeat_device = {
+	.name		= "heartbeat",
+	.id		= -1,
+	.dev	= {
+		.platform_data	= &heartbeat_data,
+	},
+	.num_resources	= ARRAY_SIZE(heartbeat_resources),
+	.resource	= heartbeat_resources,
+};
+
+static struct platform_device *se7206_devices[] __initdata = {
+	&smc91x_device,
+	&heartbeat_device,
+};
+
+static int __init se7206_devices_setup(void)
+{
+	return platform_add_devices(se7206_devices, ARRAY_SIZE(se7206_devices));
+}
+__initcall(se7206_devices_setup);
+
+/*
+ * The Machine Vector
+ */
+
+static struct sh_machine_vector mv_se __initmv = {
+	.mv_name		= "SolutionEngine",
+	.mv_nr_irqs		= 256,
+	.mv_inb			= se7206_inb,
+	.mv_inw			= se7206_inw,
+	.mv_outb		= se7206_outb,
+	.mv_outw		= se7206_outw,
+
+	.mv_inb_p		= se7206_inb_p,
+	.mv_inw_p		= se7206_inw,
+	.mv_outb_p		= se7206_outb_p,
+	.mv_outw_p		= se7206_outw,
+
+	.mv_insb		= se7206_insb,
+	.mv_insw		= se7206_insw,
+	.mv_outsb		= se7206_outsb,
+	.mv_outsw		= se7206_outsw,
+
+	.mv_init_irq		= init_se7206_IRQ,
+};