arch/mips/vr41xx/nec-cmbvr4133/setup.c

   1 /*
   2  * arch/mips/vr41xx/nec-cmbvr4133/setup.c
   3  *
   4  * Setup for the NEC CMB-VR4133.
   5  *
   6  * Author: Yoichi Yuasa <yyuasa@mvista.com, or source@mvista.com> and
   7  *         Alex Sapkov <asapkov@ru.mvista.com>
   8  *
   9  * 2001-2004 (c) MontaVista, Software, Inc. This file is licensed under
  10  * the terms of the GNU General Public License version 2. This program
  11  * is licensed "as is" without any warranty of any kind, whether express
  12  * or implied.
  13  *
  14  * Support for CMBVR4133 board in 2.6
  15  * Author: Manish Lachwani (mlachwani@mvista.com)
  16  */
  17 #include <linux/config.h>
  18 #include <linux/init.h>
  19 #include <linux/ide.h>
  20 #include <linux/ioport.h>
  21
  22 #include <asm/reboot.h>
  23 #include <asm/time.h>
  24 #include <asm/vr41xx/cmbvr4133.h>
  25 #include <asm/bootinfo.h>
  26
  27 #ifdef CONFIG_MTD
  28 #include <linux/mtd/physmap.h>
  29 #include <linux/mtd/partitions.h>
  30 #include <linux/mtd/mtd.h>
  31 #include <linux/mtd/map.h>
  32
  33 static struct mtd_partition cmbvr4133_mtd_parts[] = {
  34         {
  35                 .name =         "User FS",
  36                 .size =         0x1be0000,
  37                 .offset =       0,
  38                 .mask_flags =   0,
  39         },
  40         {
  41                 .name =         "PMON",
  42                 .size =         0x140000,
  43                 .offset =       MTDPART_OFS_APPEND,
  44                 .mask_flags =   MTD_WRITEABLE,  /* force read-only */
  45         },
  46         {
  47                 .name =         "User FS2",
  48                 .size =         MTDPART_SIZ_FULL,
  49                 .offset =       MTDPART_OFS_APPEND,
  50                 .mask_flags =   0,
  51         }
  52 };
  53
  54 #define number_partitions (sizeof(cmbvr4133_mtd_parts)/sizeof(struct mtd_partition))
  55 #endif
  56
  57 extern void i8259_init(void);
  58
  59 static int __init nec_cmbvr4133_setup(void)
  60 {
  61 #ifdef CONFIG_ROCKHOPPER
  62         extern void disable_pcnet(void);
  63
  64         disable_pcnet();
  65 #endif
  66         set_io_port_base(KSEG1ADDR(0x16000000));
  67
  68         mips_machgroup = MACH_GROUP_NEC_VR41XX;
  69         mips_machtype = MACH_NEC_CMBVR4133;
  70
  71 #ifdef CONFIG_PCI
  72 #ifdef CONFIG_ROCKHOPPER
  73         ali_m5229_preinit();
  74 #endif
  75 #endif
  76
  77 #ifdef CONFIG_ROCKHOPPER
  78         rockhopper_init_irq();
  79 #endif
  80
  81 #ifdef CONFIG_MTD
  82         /* we use generic physmap mapping driver and we use partitions */
  83         physmap_configure(0x1C000000, 0x02000000, 4, NULL);
  84         physmap_set_partitions(cmbvr4133_mtd_parts, number_partitions);
  85 #endif
  86
  87         /* 128 MB memory support */
  88         add_memory_region(0, 0x08000000, BOOT_MEM_RAM);
  89
  90 #ifdef CONFIG_ROCKHOPPER
  91         i8259_init();
  92 #endif
  93         return 0;
  94 }
  95
  96 early_initcall(nec_cmbvr4133_setup);