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