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