1/*
  2 *  linux/arch/m32r/platforms/mappi/setup.c
  3 *
  4 *  Setup routines for Renesas MAPPI Board
  5 *
  6 *  Copyright (c) 2001-2005  Hiroyuki Kondo, Hirokazu Takata,
  7 *                           Hitoshi Yamamoto
  8 */
  9
 10#include <linux/irq.h>
 11#include <linux/kernel.h>
 12#include <linux/init.h>
 13#include <linux/platform_device.h>
 14
 15#include <asm/system.h>
 16#include <asm/m32r.h>
 17#include <asm/io.h>
 18
 19#define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))
 20
 21icu_data_t icu_data[NR_IRQS];
 22
 23static void disable_mappi_irq(unsigned int irq)
 24{
 25	unsigned long port, data;
 26
 27	port = irq2port(irq);
 28	data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
 29	outl(data, port);
 30}
 31
 32static void enable_mappi_irq(unsigned int irq)
 33{
 34	unsigned long port, data;
 35
 36	port = irq2port(irq);
 37	data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
 38	outl(data, port);
 39}
 40
 41static void mask_mappi(struct irq_data *data)
 42{
 43	disable_mappi_irq(data->irq);
 44}
 45
 46static void unmask_mappi(struct irq_data *data)
 47{
 48	enable_mappi_irq(data->irq);
 49}
 50
 51static void shutdown_mappi(struct irq_data *data)
 52{
 53	unsigned long port;
 54
 55	port = irq2port(data->irq);
 56	outl(M32R_ICUCR_ILEVEL7, port);
 57}
 58
 59static struct irq_chip mappi_irq_type =
 60{
 61	.name		= "MAPPI-IRQ",
 62	.irq_shutdown	= shutdown_mappi,
 63	.irq_mask	= mask_mappi,
 64	.irq_unmask	= unmask_mappi,
 65};
 66
 67void __init init_IRQ(void)
 68{
 69	static int once = 0;
 70
 71	if (once)
 72		return;
 73	else
 74		once++;
 75
 76#ifdef CONFIG_NE2000
 77	/* INT0 : LAN controller (RTL8019AS) */
 78	irq_set_chip_and_handler(M32R_IRQ_INT0, &mappi_irq_type,
 79				 handle_level_irq);
 80	icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
 81	disable_mappi_irq(M32R_IRQ_INT0);
 82#endif /* CONFIG_M32R_NE2000 */
 83
 84	/* MFT2 : system timer */
 85	irq_set_chip_and_handler(M32R_IRQ_MFT2, &mappi_irq_type,
 86				 handle_level_irq);
 87	icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
 88	disable_mappi_irq(M32R_IRQ_MFT2);
 89
 90#ifdef CONFIG_SERIAL_M32R_SIO
 91	/* SIO0_R : uart receive data */
 92	irq_set_chip_and_handler(M32R_IRQ_SIO0_R, &mappi_irq_type,
 93				 handle_level_irq);
 94	icu_data[M32R_IRQ_SIO0_R].icucr = 0;
 95	disable_mappi_irq(M32R_IRQ_SIO0_R);
 96
 97	/* SIO0_S : uart send data */
 98	irq_set_chip_and_handler(M32R_IRQ_SIO0_S, &mappi_irq_type,
 99				 handle_level_irq);
100	icu_data[M32R_IRQ_SIO0_S].icucr = 0;
101	disable_mappi_irq(M32R_IRQ_SIO0_S);
102
103	/* SIO1_R : uart receive data */
104	irq_set_chip_and_handler(M32R_IRQ_SIO1_R, &mappi_irq_type,
105				 handle_level_irq);
106	icu_data[M32R_IRQ_SIO1_R].icucr = 0;
107	disable_mappi_irq(M32R_IRQ_SIO1_R);
108
109	/* SIO1_S : uart send data */
110	irq_set_chip_and_handler(M32R_IRQ_SIO1_S, &mappi_irq_type,
111				 handle_level_irq);
112	icu_data[M32R_IRQ_SIO1_S].icucr = 0;
113	disable_mappi_irq(M32R_IRQ_SIO1_S);
114#endif /* CONFIG_SERIAL_M32R_SIO */
115
116#if defined(CONFIG_M32R_PCC)
117	/* INT1 : pccard0 interrupt */
118	irq_set_chip_and_handler(M32R_IRQ_INT1, &mappi_irq_type,
119				 handle_level_irq);
120	icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD00;
121	disable_mappi_irq(M32R_IRQ_INT1);
122
123	/* INT2 : pccard1 interrupt */
124	irq_set_chip_and_handler(M32R_IRQ_INT2, &mappi_irq_type,
125				 handle_level_irq);
126	icu_data[M32R_IRQ_INT2].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD00;
127	disable_mappi_irq(M32R_IRQ_INT2);
128#endif /* CONFIG_M32RPCC */
129}
130
131#if defined(CONFIG_FB_S1D13XXX)
132
133#include <video/s1d13xxxfb.h>
134#include <asm/s1d13806.h>
135
136static struct s1d13xxxfb_pdata s1d13xxxfb_data = {
137	.initregs		= s1d13xxxfb_initregs,
138	.initregssize		= ARRAY_SIZE(s1d13xxxfb_initregs),
139	.platform_init_video	= NULL,
140#ifdef CONFIG_PM
141	.platform_suspend_video	= NULL,
142	.platform_resume_video	= NULL,
143#endif
144};
145
146static struct resource s1d13xxxfb_resources[] = {
147	[0] = {
148		.start  = 0x10200000UL,
149		.end    = 0x1033FFFFUL,
150		.flags  = IORESOURCE_MEM,
151	},
152	[1] = {
153		.start  = 0x10000000UL,
154		.end    = 0x100001FFUL,
155		.flags  = IORESOURCE_MEM,
156	}
157};
158
159static struct platform_device s1d13xxxfb_device = {
160	.name		= S1D_DEVICENAME,
161	.id		= 0,
162	.dev            = {
163		.platform_data  = &s1d13xxxfb_data,
164	},
165	.num_resources  = ARRAY_SIZE(s1d13xxxfb_resources),
166	.resource       = s1d13xxxfb_resources,
167};
168
169static int __init platform_init(void)
170{
171	platform_device_register(&s1d13xxxfb_device);
172	return 0;
173}
174arch_initcall(platform_init);
175#endif