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>
19 #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))
21 icu_data_t icu_data[NR_IRQS];
23 static void disable_m32104ut_irq(unsigned int irq)
25 unsigned long port, data;
28 data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
32 static void enable_m32104ut_irq(unsigned int irq)
34 unsigned long port, data;
37 data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
41 static void mask_m32104ut_irq(struct irq_data *data)
43 disable_m32104ut_irq(data->irq);
46 static void unmask_m32104ut_irq(struct irq_data *data)
48 enable_m32104ut_irq(data->irq);
51 static void shutdown_m32104ut_irq(struct irq_data *data)
53 unsigned int irq = data->irq;
54 unsigned long port = irq2port(irq);
56 outl(M32R_ICUCR_ILEVEL7, port);
59 static struct irq_chip m32104ut_irq_type =
61 .name = "M32104UT-IRQ",
62 .irq_shutdown = shutdown_m32104ut_irq,
63 .irq_unmask = unmask_m32104ut_irq,
64 .irq_mask = mask_m32104ut_irq,
67 void __init init_IRQ(void)
76 #if defined(CONFIG_SMC91X)
77 /* INT#0: LAN controller on M32104UT-LAN (SMC91C111)*/
78 irq_set_chip_and_handler(M32R_IRQ_INT0, &m32104ut_irq_type,
81 cu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD11;
82 disable_m32104ut_irq(M32R_IRQ_INT0);
83 #endif /* CONFIG_SMC91X */
85 /* MFT2 : system timer */
86 irq_set_chip_and_handler(M32R_IRQ_MFT2, &m32104ut_irq_type,
88 icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
89 disable_m32104ut_irq(M32R_IRQ_MFT2);
91 #ifdef CONFIG_SERIAL_M32R_SIO
92 /* SIO0_R : uart receive data */
93 irq_set_chip_and_handler(M32R_IRQ_SIO0_R, &m32104ut_irq_type,
95 icu_data[M32R_IRQ_SIO0_R].icucr = M32R_ICUCR_IEN;
96 disable_m32104ut_irq(M32R_IRQ_SIO0_R);
98 /* SIO0_S : uart send data */
99 irq_set_chip_and_handler(M32R_IRQ_SIO0_S, &m32104ut_irq_type,
101 icu_data[M32R_IRQ_SIO0_S].icucr = M32R_ICUCR_IEN;
102 disable_m32104ut_irq(M32R_IRQ_SIO0_S);
103 #endif /* CONFIG_SERIAL_M32R_SIO */
106 #if defined(CONFIG_SMC91X)
108 #define LAN_IOSTART 0x300
109 #define LAN_IOEND 0x320
110 static struct resource smc91x_resources[] = {
112 .start = (LAN_IOSTART),
114 .flags = IORESOURCE_MEM,
117 .start = M32R_IRQ_INT0,
118 .end = M32R_IRQ_INT0,
119 .flags = IORESOURCE_IRQ,
123 static struct platform_device smc91x_device = {
126 .num_resources = ARRAY_SIZE(smc91x_resources),
127 .resource = smc91x_resources,
131 static int __init platform_init(void)
133 #if defined(CONFIG_SMC91X)
134 platform_device_register(&smc91x_device);
138 arch_initcall(platform_init);