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setup_sh2000.c
资源名称：linux-2.4.20.tar.gz　[点击查看]
上传用户：jlfgdled
上传日期：2013-04-10
资源大小：33168k
文件大小：2k
源码类别：

Linux/Unix编程

开发平台：

Unix_Linux

setup_sh2000.c：源码内容
  1. /*
  2.  * linux/arch/sh/kernel/setup_sh2000.c
  3.  *
  4.  * Copyright (C) 2001  SUGIOKA Tochinobu
  5.  *
  6.  * SH-2000 Support.
  7.  *
  8.  */
  10. #include <linux/config.h>
  11. #include <linux/init.h>
  12. #include <linux/irq.h>
  14. #include <asm/io.h>
  15. #include <asm/io_generic.h>
  16. #include <asm/machvec.h>
  17. #include <asm/machvec_init.h>
  18. #include <asm/rtc.h>
  20. #define CF_CIS_BASE 0xb4200000
  22. #define PORT_PECR 0xa4000108
  23. #define PORT_PHCR 0xa400010E
  24. #define PORT_ICR1 0xa4000010
  25. #define PORT_IRR0 0xa4000004
  27. /*
  28.  * Initialize the board
  29.  */
  30. int __init setup_sh2000(void)
  31. {
  32. /* XXX: RTC setting comes here */
  34. /* These should be done by BIOS/IPL ... */
  35. /* Enable nCE2A, nCE2B output */
  36. ctrl_outw(ctrl_inw(PORT_PECR) & ~0xf00, PORT_PECR);
  37. /* Enable the Compact Flash card, and set the level interrupt */
  38. ctrl_outw(0x0042, CF_CIS_BASE+0x0200);
  39. /* Enable interrupt */
  40. ctrl_outw(ctrl_inw(PORT_PHCR) & ~0x03f3, PORT_PHCR);
  41. ctrl_outw(1, PORT_ICR1);
  42. ctrl_outw(ctrl_inw(PORT_IRR0) & ~0xff3f, PORT_IRR0);
  43. printk(KERN_INFO "SH-2000 Setup...donen");
  44. return 0;
  45. }
  46. /*
  47.  * The Machine Vector
  48.  */
  50. struct sh_machine_vector mv_sh2000 __initmv = {
  51. mv_name: "sh2000",
  53. mv_nr_irqs: 80,
  55. mv_inb: generic_inb,
  56. mv_inw: generic_inw,
  57. mv_inl: generic_inl,
  58. mv_outb: generic_outb,
  59. mv_outw: generic_outw,
  60. mv_outl: generic_outl,
  62. mv_inb_p: generic_inb_p,
  63. mv_inw_p: generic_inw_p,
  64. mv_inl_p: generic_inl_p,
  65. mv_outb_p: generic_outb_p,
  66. mv_outw_p: generic_outw_p,
  67. mv_outl_p: generic_outl_p,
  69. mv_insb: generic_insb,
  70. mv_insw: generic_insw,
  71. mv_insl: generic_insl,
  72. mv_outsb: generic_outsb,
  73. mv_outsw: generic_outsw,
  74. mv_outsl: generic_outsl,
  76. mv_readb: generic_readb,
  77. mv_readw: generic_readw,
  78. mv_readl: generic_readl,
  79. mv_writeb: generic_writeb,
  80. mv_writew: generic_writew,
  81. mv_writel: generic_writel,
  83. mv_init_arch: setup_sh2000,
  85. mv_isa_port2addr: sh2000_isa_port2addr,
  87. mv_ioremap: generic_ioremap,
  88. mv_iounmap: generic_iounmap,
  90. mv_rtc_gettimeofday: sh_rtc_gettimeofday,
  91. mv_rtc_settimeofday: sh_rtc_settimeofday,
  93. mv_hw_sh2000: 1,
  94. };
  95. ALIAS_MV(sh2000)