arch/sh/boards/renesas/hs7751rvoip/setup.c

   1 /*
   2  * linux/arch/sh/kernel/setup_hs7751rvoip.c
   3  *
   4  * Copyright (C) 2000  Kazumoto Kojima
   5  *
   6  * Renesas Technology Sales HS7751RVoIP Support.
   7  *
   8  * Modified for HS7751RVoIP by
   9  * Atom Create Engineering Co., Ltd. 2002.
  10  * Lineo uSolutions, Inc. 2003.
  11  */
  12
  13 #include <linux/config.h>
  14 #include <linux/init.h>
  15 #include <linux/irq.h>
  16
  17 #include <linux/hdreg.h>
  18 #include <linux/ide.h>
  19 #include <asm/io.h>
  20 #include <asm/hs7751rvoip/hs7751rvoip.h>
  21
  22 #include <linux/mm.h>
  23 #include <linux/vmalloc.h>
  24
  25 /* defined in mm/ioremap.c */
  26 extern void * p3_ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags);
  27
  28 unsigned int debug_counter;
  29
  30 const char *get_system_type(void)
  31 {
  32         return "HS7751RVoIP";
  33 }
  34
  35 /*
  36  * Initialize the board
  37  */
  38 void __init platform_setup(void)
  39 {
  40         printk(KERN_INFO "Renesas Technology Sales HS7751RVoIP-2 support.\n");
  41         ctrl_outb(0xf0, PA_OUTPORTR);
  42         debug_counter = 0;
  43 }
  44
  45 void *area5_io8_base;
  46 void *area6_io8_base;
  47 void *area5_io16_base;
  48 void *area6_io16_base;
  49
  50 int __init cf_init(void)
  51 {
  52         pgprot_t prot;
  53         unsigned long paddrbase, psize;
  54
  55         /* open I/O area window */
  56         paddrbase = virt_to_phys((void *)(PA_AREA5_IO+0x00000800));
  57         psize = PAGE_SIZE;
  58         prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_COM16);
  59         area5_io16_base = p3_ioremap(paddrbase, psize, prot.pgprot);
  60         if (!area5_io16_base) {
  61                 printk("allocate_cf_area : can't open CF I/O window!\n");
  62                 return -ENOMEM;
  63         }
  64
  65         /* XXX : do we need attribute and common-memory area also? */
  66
  67         paddrbase = virt_to_phys((void *)PA_AREA6_IO);
  68         psize = PAGE_SIZE;
  69 #if defined(CONFIG_HS7751RVOIP_CODEC)
  70         prot = PAGE_KERNEL_PCC(0, _PAGE_PCC_COM8);
  71 #else
  72         prot = PAGE_KERNEL_PCC(0, _PAGE_PCC_IO8);
  73 #endif
  74         area6_io8_base = p3_ioremap(paddrbase, psize, prot.pgprot);
  75         if (!area6_io8_base) {
  76                 printk("allocate_cf_area : can't open CODEC I/O 8bit window!\n");
  77                 return -ENOMEM;
  78         }
  79         prot = PAGE_KERNEL_PCC(0, _PAGE_PCC_IO16);
  80         area6_io16_base = p3_ioremap(paddrbase, psize, prot.pgprot);
  81         if (!area6_io16_base) {
  82                 printk("allocate_cf_area : can't open CODEC I/O 16bit window!\n");
  83                 return -ENOMEM;
  84         }
  85
  86         return 0;
  87 }
  88
  89 __initcall (cf_init);