arch/m32r/platforms/mappi/setup.c

   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
  21 icu_data_t icu_data[NR_IRQS];
  22
  23 static 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
  32 static 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
  41 static void mask_mappi(struct irq_data *data)
  42 {
  43         disable_mappi_irq(data->irq);
  44 }
  45
  46 static void unmask_mappi(struct irq_data *data)
  47 {
  48         enable_mappi_irq(data->irq);
  49 }
  50
  51 static 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
  59 static 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
  67 void __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
 136 static 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
 146 static 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
 159 static 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
 169 static int __init platform_init(void)
 170 {
 171         platform_device_register(&s1d13xxxfb_device);
 172         return 0;
 173 }
 174 arch_initcall(platform_init);
 175 #endif