git.maemo.org Git - h-e-n/blob - arch/mips/jazz/setup.c

   1 /*
   2  * Setup pointers to hardware-dependent routines.
   3  *
   4  * This file is subject to the terms and conditions of the GNU General Public
   5  * License.  See the file "COPYING" in the main directory of this archive
   6  * for more details.
   7  *
   8  * Copyright (C) 1996, 1997, 1998, 2001, 07 by Ralf Baechle
   9  * Copyright (C) 2001 MIPS Technologies, Inc.
  10  * Copyright (C) 2007 by Thomas Bogendoerfer
  11  */
  12 #include <linux/eisa.h>
  13 #include <linux/init.h>
  14 #include <linux/ioport.h>
  15 #include <linux/sched.h>
  16 #include <linux/interrupt.h>
  17 #include <linux/mm.h>
  18 #include <linux/console.h>
  19 #include <linux/fb.h>
  20 #include <linux/ide.h>
  21 #include <linux/pm.h>
  22 #include <linux/screen_info.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/serial_8250.h>
  25
  26 #include <asm/bootinfo.h>
  27 #include <asm/irq.h>
  28 #include <asm/jazz.h>
  29 #include <asm/jazzdma.h>
  30 #include <asm/reboot.h>
  31 #include <asm/io.h>
  32 #include <asm/pgtable.h>
  33 #include <asm/time.h>
  34 #include <asm/traps.h>
  35 #include <asm/mc146818-time.h>
  36
  37 extern asmlinkage void jazz_handle_int(void);
  38
  39 extern void jazz_machine_restart(char *command);
  40
  41 static struct resource jazz_io_resources[] = {
  42         {
  43                 .start  = 0x00,
  44                 .end    = 0x1f,
  45                 .name   = "dma1",
  46                 .flags  = IORESOURCE_BUSY
  47         }, {
  48                 .start  = 0x40,
  49                 .end    = 0x5f,
  50                 .name   = "timer",
  51                 .flags  = IORESOURCE_BUSY
  52         }, {
  53                 .start  = 0x80,
  54                 .end    = 0x8f,
  55                 .name   = "dma page reg",
  56                 .flags  = IORESOURCE_BUSY
  57         }, {
  58                 .start  = 0xc0,
  59                 .end    = 0xdf,
  60                 .name   = "dma2",
  61                 .flags  = IORESOURCE_BUSY
  62         }
  63 };
  64
  65 void __init plat_mem_setup(void)
  66 {
  67         int i;
  68
  69         /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */
  70         add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K);
  71         /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
  72         add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M);
  73         /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
  74         add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M);
  75
  76         set_io_port_base(JAZZ_PORT_BASE);
  77 #ifdef CONFIG_EISA
  78         EISA_bus = 1;
  79 #endif
  80
  81         /* request I/O space for devices used on all i[345]86 PCs */
  82         for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
  83                 request_resource(&ioport_resource, jazz_io_resources + i);
  84
  85         /* The RTC is outside the port address space */
  86
  87         _machine_restart = jazz_machine_restart;
  88
  89 #ifdef CONFIG_VT
  90         screen_info = (struct screen_info) {
  91                 0, 0,           /* orig-x, orig-y */
  92                 0,              /* unused */
  93                 0,              /* orig_video_page */
  94                 0,              /* orig_video_mode */
  95                 160,            /* orig_video_cols */
  96                 0, 0, 0,        /* unused, ega_bx, unused */
  97                 64,             /* orig_video_lines */
  98                 0,              /* orig_video_isVGA */
  99                 16              /* orig_video_points */
 100         };
 101 #endif
 102
 103         add_preferred_console("ttyS", 0, "9600");
 104 }
 105
 106 #ifdef CONFIG_OLIVETTI_M700
 107 #define UART_CLK  1843200
 108 #else
 109 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
 110    exactly which ones ... XXX */
 111 #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */
 112 #endif
 113
 114 #define MEMPORT(_base, _irq)                            \
 115         {                                               \
 116                 .mapbase        = (_base),              \
 117                 .membase        = (void *)(_base),      \
 118                 .irq            = (_irq),               \
 119                 .uartclk        = UART_CLK,             \
 120                 .iotype         = UPIO_MEM,             \
 121                 .flags          = UPF_BOOT_AUTOCONF,    \
 122         }
 123
 124 static struct plat_serial8250_port jazz_serial_data[] = {
 125         MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
 126         MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
 127         { },
 128 };
 129
 130 static struct platform_device jazz_serial8250_device = {
 131         .name                   = "serial8250",
 132         .id                     = PLAT8250_DEV_PLATFORM,
 133         .dev                    = {
 134                 .platform_data  = jazz_serial_data,
 135         },
 136 };
 137
 138 static struct resource jazz_esp_rsrc[] = {
 139         {
 140                 .start = JAZZ_SCSI_BASE,
 141                 .end   = JAZZ_SCSI_BASE + 31,
 142                 .flags = IORESOURCE_MEM
 143         },
 144         {
 145                 .start = JAZZ_SCSI_DMA,
 146                 .end   = JAZZ_SCSI_DMA,
 147                 .flags = IORESOURCE_MEM
 148         },
 149         {
 150                 .start = JAZZ_SCSI_IRQ,
 151                 .end   = JAZZ_SCSI_IRQ,
 152                 .flags = IORESOURCE_IRQ
 153         }
 154 };
 155
 156 static struct platform_device jazz_esp_pdev = {
 157         .name           = "jazz_esp",
 158         .num_resources  = ARRAY_SIZE(jazz_esp_rsrc),
 159         .resource       = jazz_esp_rsrc
 160 };
 161
 162 static struct resource jazz_sonic_rsrc[] = {
 163         {
 164                 .start = JAZZ_ETHERNET_BASE,
 165                 .end   = JAZZ_ETHERNET_BASE + 0xff,
 166                 .flags = IORESOURCE_MEM
 167         },
 168         {
 169                 .start = JAZZ_ETHERNET_IRQ,
 170                 .end   = JAZZ_ETHERNET_IRQ,
 171                 .flags = IORESOURCE_IRQ
 172         }
 173 };
 174
 175 static struct platform_device jazz_sonic_pdev = {
 176         .name           = "jazzsonic",
 177         .num_resources  = ARRAY_SIZE(jazz_sonic_rsrc),
 178         .resource       = jazz_sonic_rsrc
 179 };
 180
 181 static struct resource jazz_cmos_rsrc[] = {
 182         {
 183                 .start = 0x70,
 184                 .end   = 0x71,
 185                 .flags = IORESOURCE_IO
 186         },
 187         {
 188                 .start = 8,
 189                 .end   = 8,
 190                 .flags = IORESOURCE_IRQ
 191         }
 192 };
 193
 194 static struct platform_device jazz_cmos_pdev = {
 195         .name           = "rtc_cmos",
 196         .num_resources  = ARRAY_SIZE(jazz_cmos_rsrc),
 197         .resource       = jazz_cmos_rsrc
 198 };
 199
 200 static struct platform_device pcspeaker_pdev = {
 201         .name           = "pcspkr",
 202         .id             = -1,
 203 };
 204
 205 static int __init jazz_setup_devinit(void)
 206 {
 207         platform_device_register(&jazz_serial8250_device);
 208         platform_device_register(&jazz_esp_pdev);
 209         platform_device_register(&jazz_sonic_pdev);
 210         platform_device_register(&jazz_cmos_pdev);
 211         platform_device_register(&pcspeaker_pdev);
 212
 213         return 0;
 214 }
 215
 216 device_initcall(jazz_setup_devinit);