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/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_mappi3_irq(unsigned int irq)
  24 {
  25         unsigned long port, data;
  26
  27         if ((irq == 0) ||(irq >= NR_IRQS))  {
  28                 printk("bad irq 0x%08x\n", irq);
  29                 return;
  30         }
  31         port = irq2port(irq);
  32         data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
  33         outl(data, port);
  34 }
  35
  36 static void enable_mappi3_irq(unsigned int irq)
  37 {
  38         unsigned long port, data;
  39
  40         if ((irq == 0) ||(irq >= NR_IRQS))  {
  41                 printk("bad irq 0x%08x\n", irq);
  42                 return;
  43         }
  44         port = irq2port(irq);
  45         data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
  46         outl(data, port);
  47 }
  48
  49 static void mask_mappi3(struct irq_data *data)
  50 {
  51         disable_mappi3_irq(data->irq);
  52 }
  53
  54 static void unmask_mappi3(struct irq_data *data)
  55 {
  56         enable_mappi3_irq(data->irq);
  57 }
  58
  59 static void shutdown_mappi3(struct irq_data *data)
  60 {
  61         unsigned long port;
  62
  63         port = irq2port(data->irq);
  64         outl(M32R_ICUCR_ILEVEL7, port);
  65 }
  66
  67 static struct irq_chip mappi3_irq_type = {
  68         .name           = "MAPPI3-IRQ",
  69         .irq_shutdown   = shutdown_mappi3,
  70         .irq_mask       = mask_mappi3,
  71         .irq_unmask     = unmask_mappi3,
  72 };
  73
  74 void __init init_IRQ(void)
  75 {
  76 #if defined(CONFIG_SMC91X)
  77         /* INT0 : LAN controller (SMC91111) */
  78         set_irq_chip_and_handler(M32R_IRQ_INT0, &mappi3_irq_type,
  79                                  handle_level_irq);
  80         icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
  81         disable_mappi3_irq(M32R_IRQ_INT0);
  82 #endif  /* CONFIG_SMC91X */
  83
  84         /* MFT2 : system timer */
  85         set_irq_chip_and_handler(M32R_IRQ_MFT2, &mappi3_irq_type,
  86                                  handle_level_irq);
  87         icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
  88         disable_mappi3_irq(M32R_IRQ_MFT2);
  89
  90 #ifdef CONFIG_SERIAL_M32R_SIO
  91         /* SIO0_R : uart receive data */
  92         set_irq_chip_and_handler(M32R_IRQ_SIO0_R, &mappi3_irq_type,
  93                                  handle_level_irq);
  94         icu_data[M32R_IRQ_SIO0_R].icucr = 0;
  95         disable_mappi3_irq(M32R_IRQ_SIO0_R);
  96
  97         /* SIO0_S : uart send data */
  98         set_irq_chip_and_handler(M32R_IRQ_SIO0_S, &mappi3_irq_type,
  99                                  handle_level_irq);
 100         icu_data[M32R_IRQ_SIO0_S].icucr = 0;
 101         disable_mappi3_irq(M32R_IRQ_SIO0_S);
 102         /* SIO1_R : uart receive data */
 103         set_irq_chip_and_handler(M32R_IRQ_SIO1_R, &mappi3_irq_type,
 104                                  handle_level_irq);
 105         icu_data[M32R_IRQ_SIO1_R].icucr = 0;
 106         disable_mappi3_irq(M32R_IRQ_SIO1_R);
 107
 108         /* SIO1_S : uart send data */
 109         set_irq_chip_and_handler(M32R_IRQ_SIO1_S, &mappi3_irq_type,
 110                                  handle_level_irq);
 111         icu_data[M32R_IRQ_SIO1_S].icucr = 0;
 112         disable_mappi3_irq(M32R_IRQ_SIO1_S);
 113 #endif  /* CONFIG_M32R_USE_DBG_CONSOLE */
 114
 115 #if defined(CONFIG_USB)
 116         /* INT1 : USB Host controller interrupt */
 117         set_irq_chip_and_handler(M32R_IRQ_INT1, &mappi3_irq_type,
 118                                  handle_level_irq);
 119         icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_ISMOD01;
 120         disable_mappi3_irq(M32R_IRQ_INT1);
 121 #endif /* CONFIG_USB */
 122
 123         /* CFC IREQ */
 124         set_irq_chip_and_handler(PLD_IRQ_CFIREQ, &mappi3_irq_type,
 125                                  handle_level_irq);
 126         icu_data[PLD_IRQ_CFIREQ].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD01;
 127         disable_mappi3_irq(PLD_IRQ_CFIREQ);
 128
 129 #if defined(CONFIG_M32R_CFC)
 130         /* ICUCR41: CFC Insert & eject */
 131         set_irq_chip_and_handler(PLD_IRQ_CFC_INSERT, &mappi3_irq_type,
 132                                  handle_level_irq);
 133         icu_data[PLD_IRQ_CFC_INSERT].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD00;
 134         disable_mappi3_irq(PLD_IRQ_CFC_INSERT);
 135
 136 #endif /* CONFIG_M32R_CFC */
 137
 138         /* IDE IREQ */
 139         set_irq_chip_and_handler(PLD_IRQ_IDEIREQ, &mappi3_irq_type,
 140                                  handle_level_irq);
 141         icu_data[PLD_IRQ_IDEIREQ].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
 142         disable_mappi3_irq(PLD_IRQ_IDEIREQ);
 143
 144 }
 145
 146 #if defined(CONFIG_SMC91X)
 147
 148 #define LAN_IOSTART     0x300
 149 #define LAN_IOEND       0x320
 150 static struct resource smc91x_resources[] = {
 151         [0] = {
 152                 .start  = (LAN_IOSTART),
 153                 .end    = (LAN_IOEND),
 154                 .flags  = IORESOURCE_MEM,
 155         },
 156         [1] = {
 157                 .start  = M32R_IRQ_INT0,
 158                 .end    = M32R_IRQ_INT0,
 159                 .flags  = IORESOURCE_IRQ,
 160         }
 161 };
 162
 163 static struct platform_device smc91x_device = {
 164         .name           = "smc91x",
 165         .id             = 0,
 166         .num_resources  = ARRAY_SIZE(smc91x_resources),
 167         .resource       = smc91x_resources,
 168 };
 169
 170 #endif
 171
 172 #if defined(CONFIG_FB_S1D13XXX)
 173
 174 #include <video/s1d13xxxfb.h>
 175 #include <asm/s1d13806.h>
 176
 177 static struct s1d13xxxfb_pdata s1d13xxxfb_data = {
 178         .initregs               = s1d13xxxfb_initregs,
 179         .initregssize           = ARRAY_SIZE(s1d13xxxfb_initregs),
 180         .platform_init_video    = NULL,
 181 #ifdef CONFIG_PM
 182         .platform_suspend_video = NULL,
 183         .platform_resume_video  = NULL,
 184 #endif
 185 };
 186
 187 static struct resource s1d13xxxfb_resources[] = {
 188         [0] = {
 189                 .start  = 0x1d600000UL,
 190                 .end    = 0x1d73FFFFUL,
 191                 .flags  = IORESOURCE_MEM,
 192         },
 193         [1] = {
 194                 .start  = 0x1d400000UL,
 195                 .end    = 0x1d4001FFUL,
 196                 .flags  = IORESOURCE_MEM,
 197         }
 198 };
 199
 200 static struct platform_device s1d13xxxfb_device = {
 201         .name           = S1D_DEVICENAME,
 202         .id             = 0,
 203         .dev            = {
 204                 .platform_data  = &s1d13xxxfb_data,
 205         },
 206         .num_resources  = ARRAY_SIZE(s1d13xxxfb_resources),
 207         .resource       = s1d13xxxfb_resources,
 208 };
 209 #endif
 210
 211 static int __init platform_init(void)
 212 {
 213 #if defined(CONFIG_SMC91X)
 214         platform_device_register(&smc91x_device);
 215 #endif
 216 #if defined(CONFIG_FB_S1D13XXX)
 217         platform_device_register(&s1d13xxxfb_device);
 218 #endif
 219         return 0;
 220 }
 221 arch_initcall(platform_init);