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/*
* linux/arch/m32r/kernel/setup_mappi2.c
*
* Setup routines for Renesas MAPPI-II(M3A-ZA36) Board
*
* Copyright (c) 2001-2005 Hiroyuki Kondo, Hirokazu Takata,
* Hitoshi Yamamoto, Mamoru Sakugawa
*/
#include <linux/config.h>
#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.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)))
#ifndef CONFIG_SMP
typedef struct {
unsigned long icucr; /* ICU Control Register */
} icu_data_t;
#endif /* CONFIG_SMP */
icu_data_t icu_data[NR_IRQS];
static void disable_mappi2_irq(unsigned int irq)
{
unsigned long port, data;
if ((irq == 0) ||(irq >= NR_IRQS)) {
printk("bad irq 0x%08x\n", irq);
return;
}
port = irq2port(irq);
data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
outl(data, port);
}
static void enable_mappi2_irq(unsigned int irq)
{
unsigned long port, data;
if ((irq == 0) ||(irq >= NR_IRQS)) {
printk("bad irq 0x%08x\n", irq);
return;
}
port = irq2port(irq);
data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
outl(data, port);
}
static void mask_and_ack_mappi2(unsigned int irq)
{
disable_mappi2_irq(irq);
}
static void end_mappi2_irq(unsigned int irq)
{
enable_mappi2_irq(irq);
}
static unsigned int startup_mappi2_irq(unsigned int irq)
{
enable_mappi2_irq(irq);
return (0);
}
static void shutdown_mappi2_irq(unsigned int irq)
{
unsigned long port;
port = irq2port(irq);
outl(M32R_ICUCR_ILEVEL7, port);
}
static struct hw_interrupt_type mappi2_irq_type =
{
.typename = "MAPPI2-IRQ",
.startup = startup_mappi2_irq,
.shutdown = shutdown_mappi2_irq,
.enable = enable_mappi2_irq,
.disable = disable_mappi2_irq,
.ack = mask_and_ack_mappi2,
.end = end_mappi2_irq
};
void __init init_IRQ(void)
{
#if defined(CONFIG_SMC91X)
/* INT0 : LAN controller (SMC91111) */
irq_desc[M32R_IRQ_INT0].status = IRQ_DISABLED;
irq_desc[M32R_IRQ_INT0].handler = &mappi2_irq_type;
irq_desc[M32R_IRQ_INT0].action = 0;
irq_desc[M32R_IRQ_INT0].depth = 1;
icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
disable_mappi2_irq(M32R_IRQ_INT0);
#endif /* CONFIG_SMC91X */
/* MFT2 : system timer */
irq_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED;
irq_desc[M32R_IRQ_MFT2].handler = &mappi2_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_mappi2_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].handler = &mappi2_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_mappi2_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].handler = &mappi2_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_mappi2_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].handler = &mappi2_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_mappi2_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].handler = &mappi2_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_mappi2_irq(M32R_IRQ_SIO1_S);
#endif /* CONFIG_M32R_USE_DBG_CONSOLE */
#if defined(CONFIG_USB)
/* INT1 : USB Host controller interrupt */
irq_desc[M32R_IRQ_INT1].status = IRQ_DISABLED;
irq_desc[M32R_IRQ_INT1].handler = &mappi2_irq_type;
irq_desc[M32R_IRQ_INT1].action = 0;
irq_desc[M32R_IRQ_INT1].depth = 1;
icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_ISMOD01;
disable_mappi2_irq(M32R_IRQ_INT1);
#endif /* CONFIG_USB */
/* ICUCR40: CFC IREQ */
irq_desc[PLD_IRQ_CFIREQ].status = IRQ_DISABLED;
irq_desc[PLD_IRQ_CFIREQ].handler = &mappi2_irq_type;
irq_desc[PLD_IRQ_CFIREQ].action = 0;
irq_desc[PLD_IRQ_CFIREQ].depth = 1; /* disable nested irq */
icu_data[PLD_IRQ_CFIREQ].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD01;
disable_mappi2_irq(PLD_IRQ_CFIREQ);
#if defined(CONFIG_M32R_CFC)
/* ICUCR41: CFC Insert */
irq_desc[PLD_IRQ_CFC_INSERT].status = IRQ_DISABLED;
irq_desc[PLD_IRQ_CFC_INSERT].handler = &mappi2_irq_type;
irq_desc[PLD_IRQ_CFC_INSERT].action = 0;
irq_desc[PLD_IRQ_CFC_INSERT].depth = 1; /* disable nested irq */
icu_data[PLD_IRQ_CFC_INSERT].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD00;
disable_mappi2_irq(PLD_IRQ_CFC_INSERT);
/* ICUCR42: CFC Eject */
irq_desc[PLD_IRQ_CFC_EJECT].status = IRQ_DISABLED;
irq_desc[PLD_IRQ_CFC_EJECT].handler = &mappi2_irq_type;
irq_desc[PLD_IRQ_CFC_EJECT].action = 0;
irq_desc[PLD_IRQ_CFC_EJECT].depth = 1; /* disable nested irq */
icu_data[PLD_IRQ_CFC_EJECT].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
disable_mappi2_irq(PLD_IRQ_CFC_EJECT);
#endif /* CONFIG_MAPPI2_CFC */
}
#define LAN_IOSTART 0x300
#define LAN_IOEND 0x320
static struct resource smc91x_resources[] = {
[0] = {
.start = (LAN_IOSTART),
.end = (LAN_IOEND),
.flags = IORESOURCE_MEM,
},
[1] = {
.start = M32R_IRQ_INT0,
.end = M32R_IRQ_INT0,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device smc91x_device = {
.name = "smc91x",
.id = 0,
.num_resources = ARRAY_SIZE(smc91x_resources),
.resource = smc91x_resources,
};
static int __init platform_init(void)
{
platform_device_register(&smc91x_device);
return 0;
}
arch_initcall(platform_init);
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