kernel/2.6.29.6-aldebaran-rt/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         if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
  49                 enable_mappi_irq(irq);
  50 }
  51
  52 static unsigned int startup_mappi_irq(unsigned int irq)
  53 {
  54         enable_mappi_irq(irq);
  55         return (0);
  56 }
  57
  58 static void shutdown_mappi_irq(unsigned int irq)
  59 {
  60         unsigned long port;
  61
  62         port = irq2port(irq);
  63         outl(M32R_ICUCR_ILEVEL7, port);
  64 }
  65
  66 static struct hw_interrupt_type mappi_irq_type =
  67 {
  68         .typename = "MAPPI-IRQ",
  69         .startup = startup_mappi_irq,
  70         .shutdown = shutdown_mappi_irq,
  71         .enable = enable_mappi_irq,
  72         .disable = disable_mappi_irq,
  73         .ack = mask_and_ack_mappi,
  74         .end = end_mappi_irq
  75 };
  76
  77 void __init init_IRQ(void)
  78 {
  79         static int once = 0;
  80
  81         if (once)
  82                 return;
  83         else
  84                 once++;
  85
  86 #ifdef CONFIG_NE2000
  87         /* INT0 : LAN controller (RTL8019AS) */
  88         irq_desc[M32R_IRQ_INT0].status = IRQ_DISABLED;
  89         irq_desc[M32R_IRQ_INT0].chip = &mappi_irq_type;
  90         irq_desc[M32R_IRQ_INT0].action = NULL;
  91         irq_desc[M32R_IRQ_INT0].depth = 1;
  92         icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
  93         disable_mappi_irq(M32R_IRQ_INT0);
  94 #endif /* CONFIG_M32R_NE2000 */
  95
  96         /* MFT2 : system timer */
  97         irq_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED;
  98         irq_desc[M32R_IRQ_MFT2].chip = &mappi_irq_type;
  99         irq_desc[M32R_IRQ_MFT2].action = NULL;
 100         irq_desc[M32R_IRQ_MFT2].depth = 1;
 101         icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
 102         disable_mappi_irq(M32R_IRQ_MFT2);
 103
 104 #ifdef CONFIG_SERIAL_M32R_SIO
 105         /* SIO0_R : uart receive data */
 106         irq_desc[M32R_IRQ_SIO0_R].status = IRQ_DISABLED;
 107         irq_desc[M32R_IRQ_SIO0_R].chip = &mappi_irq_type;
 108         irq_desc[M32R_IRQ_SIO0_R].action = NULL;
 109         irq_desc[M32R_IRQ_SIO0_R].depth = 1;
 110         icu_data[M32R_IRQ_SIO0_R].icucr = 0;
 111         disable_mappi_irq(M32R_IRQ_SIO0_R);
 112
 113         /* SIO0_S : uart send data */
 114         irq_desc[M32R_IRQ_SIO0_S].status = IRQ_DISABLED;
 115         irq_desc[M32R_IRQ_SIO0_S].chip = &mappi_irq_type;
 116         irq_desc[M32R_IRQ_SIO0_S].action = NULL;
 117         irq_desc[M32R_IRQ_SIO0_S].depth = 1;
 118         icu_data[M32R_IRQ_SIO0_S].icucr = 0;
 119         disable_mappi_irq(M32R_IRQ_SIO0_S);
 120
 121         /* SIO1_R : uart receive data */
 122         irq_desc[M32R_IRQ_SIO1_R].status = IRQ_DISABLED;
 123         irq_desc[M32R_IRQ_SIO1_R].chip = &mappi_irq_type;
 124         irq_desc[M32R_IRQ_SIO1_R].action = NULL;
 125         irq_desc[M32R_IRQ_SIO1_R].depth = 1;
 126         icu_data[M32R_IRQ_SIO1_R].icucr = 0;
 127         disable_mappi_irq(M32R_IRQ_SIO1_R);
 128
 129         /* SIO1_S : uart send data */
 130         irq_desc[M32R_IRQ_SIO1_S].status = IRQ_DISABLED;
 131         irq_desc[M32R_IRQ_SIO1_S].chip = &mappi_irq_type;
 132         irq_desc[M32R_IRQ_SIO1_S].action = NULL;
 133         irq_desc[M32R_IRQ_SIO1_S].depth = 1;
 134         icu_data[M32R_IRQ_SIO1_S].icucr = 0;
 135         disable_mappi_irq(M32R_IRQ_SIO1_S);
 136 #endif /* CONFIG_SERIAL_M32R_SIO */
 137
 138 #if defined(CONFIG_M32R_PCC)
 139         /* INT1 : pccard0 interrupt */
 140         irq_desc[M32R_IRQ_INT1].status = IRQ_DISABLED;
 141         irq_desc[M32R_IRQ_INT1].chip = &mappi_irq_type;
 142         irq_desc[M32R_IRQ_INT1].action = NULL;
 143         irq_desc[M32R_IRQ_INT1].depth = 1;
 144         icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD00;
 145         disable_mappi_irq(M32R_IRQ_INT1);
 146
 147         /* INT2 : pccard1 interrupt */
 148         irq_desc[M32R_IRQ_INT2].status = IRQ_DISABLED;
 149         irq_desc[M32R_IRQ_INT2].chip = &mappi_irq_type;
 150         irq_desc[M32R_IRQ_INT2].action = NULL;
 151         irq_desc[M32R_IRQ_INT2].depth = 1;
 152         icu_data[M32R_IRQ_INT2].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD00;
 153         disable_mappi_irq(M32R_IRQ_INT2);
 154 #endif /* CONFIG_M32RPCC */
 155 }
 156
 157 #if defined(CONFIG_FB_S1D13XXX)
 158
 159 #include <video/s1d13xxxfb.h>
 160 #include <asm/s1d13806.h>
 161
 162 static struct s1d13xxxfb_pdata s1d13xxxfb_data = {
 163         .initregs               = s1d13xxxfb_initregs,
 164         .initregssize           = ARRAY_SIZE(s1d13xxxfb_initregs),
 165         .platform_init_video    = NULL,
 166 #ifdef CONFIG_PM
 167         .platform_suspend_video = NULL,
 168         .platform_resume_video  = NULL,
 169 #endif
 170 };
 171
 172 static struct resource s1d13xxxfb_resources[] = {
 173         [0] = {
 174                 .start  = 0x10200000UL,
 175                 .end    = 0x1033FFFFUL,
 176                 .flags  = IORESOURCE_MEM,
 177         },
 178         [1] = {
 179                 .start  = 0x10000000UL,
 180                 .end    = 0x100001FFUL,
 181                 .flags  = IORESOURCE_MEM,
 182         }
 183 };
 184
 185 static struct platform_device s1d13xxxfb_device = {
 186         .name           = S1D_DEVICENAME,
 187         .id             = 0,
 188         .dev            = {
 189                 .platform_data  = &s1d13xxxfb_data,
 190         },
 191         .num_resources  = ARRAY_SIZE(s1d13xxxfb_resources),
 192         .resource       = s1d13xxxfb_resources,
 193 };
 194
 195 static int __init platform_init(void)
 196 {
 197         platform_device_register(&s1d13xxxfb_device);
 198         return 0;
 199 }
 200 arch_initcall(platform_init);
 201 #endif