kernel/arch/m32r/platforms/mappi3/setup.c

   1 /*
   2  *  linux/arch/m32r/platforms/mappi3/setup.c
   3  *
   4  *  Setup routines for Renesas MAPPI-III(M3A-2170) Board
   5  *
   6  *  Copyright (c) 2001-2005  Hiroyuki Kondo, Hirokazu Takata,
   7  *                           Hitoshi Yamamoto, Mamoru Sakugawa
   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_mappi3_irq(unsigned int irq)
  23 {
  24         unsigned long port, data;
  25
  26         if ((irq == 0) ||(irq >= NR_IRQS))  {
  27                 printk("bad irq 0x%08x\n", irq);
  28                 return;
  29         }
  30         port = irq2port(irq);
  31         data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
  32         outl(data, port);
  33 }
  34
  35 static void enable_mappi3_irq(unsigned int irq)
  36 {
  37         unsigned long port, data;
  38
  39         if ((irq == 0) ||(irq >= NR_IRQS))  {
  40                 printk("bad irq 0x%08x\n", irq);
  41                 return;
  42         }
  43         port = irq2port(irq);
  44         data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
  45         outl(data, port);
  46 }
  47
  48 static void mask_mappi3(struct irq_data *data)
  49 {
  50         disable_mappi3_irq(data->irq);
  51 }
  52
  53 static void unmask_mappi3(struct irq_data *data)
  54 {
  55         enable_mappi3_irq(data->irq);
  56 }
  57
  58 static void shutdown_mappi3(struct irq_data *data)
  59 {
  60         unsigned long port;
  61
  62         port = irq2port(data->irq);
  63         outl(M32R_ICUCR_ILEVEL7, port);
  64 }
  65
  66 static struct irq_chip mappi3_irq_type = {
  67         .name           = "MAPPI3-IRQ",
  68         .irq_shutdown   = shutdown_mappi3,
  69         .irq_mask       = mask_mappi3,
  70         .irq_unmask     = unmask_mappi3,
  71 };
  72
  73 void __init init_IRQ(void)
  74 {
  75 #if defined(CONFIG_SMC91X)
  76         /* INT0 : LAN controller (SMC91111) */
  77         irq_set_chip_and_handler(M32R_IRQ_INT0, &mappi3_irq_type,
  78                                  handle_level_irq);
  79         icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
  80         disable_mappi3_irq(M32R_IRQ_INT0);
  81 #endif  /* CONFIG_SMC91X */
  82
  83         /* MFT2 : system timer */
  84         irq_set_chip_and_handler(M32R_IRQ_MFT2, &mappi3_irq_type,
  85                                  handle_level_irq);
  86         icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
  87         disable_mappi3_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, &mappi3_irq_type,
  92                                  handle_level_irq);
  93         icu_data[M32R_IRQ_SIO0_R].icucr = 0;
  94         disable_mappi3_irq(M32R_IRQ_SIO0_R);
  95
  96         /* SIO0_S : uart send data */
  97         irq_set_chip_and_handler(M32R_IRQ_SIO0_S, &mappi3_irq_type,
  98                                  handle_level_irq);
  99         icu_data[M32R_IRQ_SIO0_S].icucr = 0;
 100         disable_mappi3_irq(M32R_IRQ_SIO0_S);
 101         /* SIO1_R : uart receive data */
 102         irq_set_chip_and_handler(M32R_IRQ_SIO1_R, &mappi3_irq_type,
 103                                  handle_level_irq);
 104         icu_data[M32R_IRQ_SIO1_R].icucr = 0;
 105         disable_mappi3_irq(M32R_IRQ_SIO1_R);
 106
 107         /* SIO1_S : uart send data */
 108         irq_set_chip_and_handler(M32R_IRQ_SIO1_S, &mappi3_irq_type,
 109                                  handle_level_irq);
 110         icu_data[M32R_IRQ_SIO1_S].icucr = 0;
 111         disable_mappi3_irq(M32R_IRQ_SIO1_S);
 112 #endif  /* CONFIG_M32R_USE_DBG_CONSOLE */
 113
 114 #if defined(CONFIG_USB)
 115         /* INT1 : USB Host controller interrupt */
 116         irq_set_chip_and_handler(M32R_IRQ_INT1, &mappi3_irq_type,
 117                                  handle_level_irq);
 118         icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_ISMOD01;
 119         disable_mappi3_irq(M32R_IRQ_INT1);
 120 #endif /* CONFIG_USB */
 121
 122         /* CFC IREQ */
 123         irq_set_chip_and_handler(PLD_IRQ_CFIREQ, &mappi3_irq_type,
 124                                  handle_level_irq);
 125         icu_data[PLD_IRQ_CFIREQ].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD01;
 126         disable_mappi3_irq(PLD_IRQ_CFIREQ);
 127
 128 #if defined(CONFIG_M32R_CFC)
 129         /* ICUCR41: CFC Insert & eject */
 130         irq_set_chip_and_handler(PLD_IRQ_CFC_INSERT, &mappi3_irq_type,
 131                                  handle_level_irq);
 132         icu_data[PLD_IRQ_CFC_INSERT].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD00;
 133         disable_mappi3_irq(PLD_IRQ_CFC_INSERT);
 134
 135 #endif /* CONFIG_M32R_CFC */
 136
 137         /* IDE IREQ */
 138         irq_set_chip_and_handler(PLD_IRQ_IDEIREQ, &mappi3_irq_type,
 139                                  handle_level_irq);
 140         icu_data[PLD_IRQ_IDEIREQ].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
 141         disable_mappi3_irq(PLD_IRQ_IDEIREQ);
 142
 143 }
 144
 145 #if defined(CONFIG_SMC91X)
 146
 147 #define LAN_IOSTART     0x300
 148 #define LAN_IOEND       0x320
 149 static struct resource smc91x_resources[] = {
 150         [0] = {
 151                 .start  = (LAN_IOSTART),
 152                 .end    = (LAN_IOEND),
 153                 .flags  = IORESOURCE_MEM,
 154         },
 155         [1] = {
 156                 .start  = M32R_IRQ_INT0,
 157                 .end    = M32R_IRQ_INT0,
 158                 .flags  = IORESOURCE_IRQ,
 159         }
 160 };
 161
 162 static struct platform_device smc91x_device = {
 163         .name           = "smc91x",
 164         .id             = 0,
 165         .num_resources  = ARRAY_SIZE(smc91x_resources),
 166         .resource       = smc91x_resources,
 167 };
 168
 169 #endif
 170
 171 #if defined(CONFIG_FB_S1D13XXX)
 172
 173 #include <video/s1d13xxxfb.h>
 174 #include <asm/s1d13806.h>
 175
 176 static struct s1d13xxxfb_pdata s1d13xxxfb_data = {
 177         .initregs               = s1d13xxxfb_initregs,
 178         .initregssize           = ARRAY_SIZE(s1d13xxxfb_initregs),
 179         .platform_init_video    = NULL,
 180 #ifdef CONFIG_PM
 181         .platform_suspend_video = NULL,
 182         .platform_resume_video  = NULL,
 183 #endif
 184 };
 185
 186 static struct resource s1d13xxxfb_resources[] = {
 187         [0] = {
 188                 .start  = 0x1d600000UL,
 189                 .end    = 0x1d73FFFFUL,
 190                 .flags  = IORESOURCE_MEM,
 191         },
 192         [1] = {
 193                 .start  = 0x1d400000UL,
 194                 .end    = 0x1d4001FFUL,
 195                 .flags  = IORESOURCE_MEM,
 196         }
 197 };
 198
 199 static struct platform_device s1d13xxxfb_device = {
 200         .name           = S1D_DEVICENAME,
 201         .id             = 0,
 202         .dev            = {
 203                 .platform_data  = &s1d13xxxfb_data,
 204         },
 205         .num_resources  = ARRAY_SIZE(s1d13xxxfb_resources),
 206         .resource       = s1d13xxxfb_resources,
 207 };
 208 #endif
 209
 210 static int __init platform_init(void)
 211 {
 212 #if defined(CONFIG_SMC91X)
 213         platform_device_register(&smc91x_device);
 214 #endif
 215 #if defined(CONFIG_FB_S1D13XXX)
 216         platform_device_register(&s1d13xxxfb_device);
 217 #endif
 218         return 0;
 219 }
 220 arch_initcall(platform_init);