2 * linux/arch/m32r/platforms/m32104ut/setup.c
4 * Setup routines for M32104UT Board
6 * Copyright (c) 2002-2005 Hiroyuki Kondo, Hirokazu Takata,
7 * Hitoshi Yamamoto, Mamoru Sakugawa,
8 * Naoto Sugai, Hayato Fujiwara
11 #include <linux/irq.h>
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/device.h>
16 #include <asm/system.h>
20 #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))
22 icu_data_t icu_data[NR_IRQS];
24 static void disable_m32104ut_irq(unsigned int irq)
26 unsigned long port, data;
29 data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
33 static void enable_m32104ut_irq(unsigned int irq)
35 unsigned long port, data;
38 data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
42 static void mask_and_ack_m32104ut(unsigned int irq)
44 disable_m32104ut_irq(irq);
47 static void end_m32104ut_irq(unsigned int irq)
49 enable_m32104ut_irq(irq);
52 static unsigned int startup_m32104ut_irq(unsigned int irq)
54 enable_m32104ut_irq(irq);
58 static void shutdown_m32104ut_irq(unsigned int irq)
63 outl(M32R_ICUCR_ILEVEL7, port);
66 static struct irq_chip m32104ut_irq_type =
68 .name = "M32104UT-IRQ",
69 .startup = startup_m32104ut_irq,
70 .shutdown = shutdown_m32104ut_irq,
71 .enable = enable_m32104ut_irq,
72 .disable = disable_m32104ut_irq,
73 .ack = mask_and_ack_m32104ut,
74 .end = end_m32104ut_irq
77 void __init init_IRQ(void)
86 #if defined(CONFIG_SMC91X)
87 /* INT#0: LAN controller on M32104UT-LAN (SMC91C111)*/
88 set_irq_chip(M32R_IRQ_INT0, &m32104ut_irq_type);
89 icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD11; /* "H" level sense */
90 disable_m32104ut_irq(M32R_IRQ_INT0);
91 #endif /* CONFIG_SMC91X */
93 /* MFT2 : system timer */
94 set_irq_chip(M32R_IRQ_MFT2, &m32104ut_irq_type);
95 icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
96 disable_m32104ut_irq(M32R_IRQ_MFT2);
98 #ifdef CONFIG_SERIAL_M32R_SIO
99 /* SIO0_R : uart receive data */
100 set_irq_chip(M32R_IRQ_SIO0_R, &m32104ut_irq_type);
101 icu_data[M32R_IRQ_SIO0_R].icucr = M32R_ICUCR_IEN;
102 disable_m32104ut_irq(M32R_IRQ_SIO0_R);
104 /* SIO0_S : uart send data */
105 set_irq_chip(M32R_IRQ_SIO0_S, &m32104ut_irq_type);
106 icu_data[M32R_IRQ_SIO0_S].icucr = M32R_ICUCR_IEN;
107 disable_m32104ut_irq(M32R_IRQ_SIO0_S);
108 #endif /* CONFIG_SERIAL_M32R_SIO */
111 #if defined(CONFIG_SMC91X)
113 #define LAN_IOSTART 0x300
114 #define LAN_IOEND 0x320
115 static struct resource smc91x_resources[] = {
117 .start = (LAN_IOSTART),
119 .flags = IORESOURCE_MEM,
122 .start = M32R_IRQ_INT0,
123 .end = M32R_IRQ_INT0,
124 .flags = IORESOURCE_IRQ,
128 static struct platform_device smc91x_device = {
131 .num_resources = ARRAY_SIZE(smc91x_resources),
132 .resource = smc91x_resources,
136 static int __init platform_init(void)
138 #if defined(CONFIG_SMC91X)
139 platform_device_register(&smc91x_device);
143 arch_initcall(platform_init);