arch/sh/boards/sh03/setup.c

   1 /*
   2  * linux/arch/sh/boards/sh03/setup.c
   3  *
   4  * Copyright (C) 2004  Interface Co.,Ltd. Saito.K
   5  *
   6  */
   7
   8 #include <linux/init.h>
   9 #include <linux/irq.h>
  10 #include <linux/pci.h>
  11 #include <linux/platform_device.h>
  12 #include <asm/io.h>
  13 #include <asm/rtc.h>
  14 #include <asm/sh03/io.h>
  15 #include <asm/sh03/sh03.h>
  16 #include <asm/addrspace.h>
  17
  18 static struct ipr_data ipr_irq_table[] = {
  19         { IRL0_IRQ, 0, IRL0_IPR_POS, IRL0_PRIORITY },
  20         { IRL1_IRQ, 0, IRL1_IPR_POS, IRL1_PRIORITY },
  21         { IRL2_IRQ, 0, IRL2_IPR_POS, IRL2_PRIORITY },
  22         { IRL3_IRQ, 0, IRL3_IPR_POS, IRL3_PRIORITY },
  23 };
  24
  25 static unsigned long ipr_offsets[] = {
  26         INTC_IPRD,
  27 };
  28
  29 static struct ipr_desc ipr_irq_desc = {
  30         .ipr_offsets    = ipr_offsets,
  31         .nr_offsets     = ARRAY_SIZE(ipr_offsets),
  32
  33         .ipr_data       = ipr_irq_table,
  34         .nr_irqs        = ARRAY_SIZE(ipr_irq_table),
  35
  36         .chip = {
  37                 .name   = "IPR-sh03",
  38         },
  39 };
  40
  41 static void __init init_sh03_IRQ(void)
  42 {
  43         ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
  44         register_ipr_controller(&ipr_irq_desc);
  45 }
  46
  47 extern void *cf_io_base;
  48
  49 static void __iomem *sh03_ioport_map(unsigned long port, unsigned int size)
  50 {
  51         if (PXSEG(port))
  52                 return (void __iomem *)port;
  53         /* CompactFlash (IDE) */
  54         if (((port >= 0x1f0) && (port <= 0x1f7)) || (port == 0x3f6))
  55                 return (void __iomem *)((unsigned long)cf_io_base + port);
  56
  57         return (void __iomem *)(port + PCI_IO_BASE);
  58 }
  59
  60 /* arch/sh/boards/sh03/rtc.c */
  61 void sh03_time_init(void);
  62
  63 static void __init sh03_setup(char **cmdline_p)
  64 {
  65         board_time_init = sh03_time_init;
  66 }
  67
  68 static struct resource heartbeat_resources[] = {
  69         [0] = {
  70                 .start  = 0xa0800000,
  71                 .end    = 0xa0800000 + 8 - 1,
  72                 .flags  = IORESOURCE_MEM,
  73         },
  74 };
  75
  76 static struct platform_device heartbeat_device = {
  77         .name           = "heartbeat",
  78         .id             = -1,
  79         .num_resources  = ARRAY_SIZE(heartbeat_resources),
  80         .resource       = heartbeat_resources,
  81 };
  82
  83 static struct platform_device *sh03_devices[] __initdata = {
  84         &heartbeat_device,
  85 };
  86
  87 static int __init sh03_devices_setup(void)
  88 {
  89         return platform_add_devices(sh03_devices, ARRAY_SIZE(sh03_devices));
  90 }
  91 __initcall(sh03_devices_setup);
  92
  93 static struct sh_machine_vector mv_sh03 __initmv = {
  94         .mv_name                = "Interface (CTP/PCI-SH03)",
  95         .mv_setup               = sh03_setup,
  96         .mv_nr_irqs             = 48,
  97         .mv_ioport_map          = sh03_ioport_map,
  98         .mv_init_irq            = init_sh03_IRQ,
  99 };