kernel/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/m32r.h>
  16 #include <asm/io.h>
  17
  18 #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))
  19
  20 icu_data_t icu_data[NR_IRQS];
  21
  22 static 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
  31 static 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
  40 static void mask_mappi(struct irq_data *data)
  41 {
  42         disable_mappi_irq(data->irq);
  43 }
  44
  45 static void unmask_mappi(struct irq_data *data)
  46 {
  47         enable_mappi_irq(data->irq);
  48 }
  49
  50 static 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
  58 static 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
  66 void __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
 135 static 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
 145 static 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
 158 static 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
 168 static int __init platform_init(void)
 169 {
 170         platform_device_register(&s1d13xxxfb_device);
 171         return 0;
 172 }
 173 arch_initcall(platform_init);
 174 #endif