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kernel/linux-rt-4.4.41/arch/mips/include/asm/mips-boards/malta.h 2.93 KB
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  /*
   * Carsten Langgaard, carstenl@mips.com
   * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
   *
   *  This program is free software; you can distribute it and/or modify it
   *  under the terms of the GNU General Public License (Version 2) as
   *  published by the Free Software Foundation.
   *
   *  This program is distributed in the hope it will be useful, but WITHOUT
   *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   *  for more details.
   *
   *  You should have received a copy of the GNU General Public License along
   *  with this program; if not, write to the Free Software Foundation, Inc.,
   *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
   *
   * Defines of the Malta board specific address-MAP, registers, etc.
   */
  #ifndef __ASM_MIPS_BOARDS_MALTA_H
  #define __ASM_MIPS_BOARDS_MALTA_H
  
  #include <asm/addrspace.h>
  #include <asm/io.h>
  #include <asm/mips-boards/msc01_pci.h>
  #include <asm/gt64120.h>
  
  /* Mips interrupt controller found in SOCit variations */
  #define MIPS_MSC01_IC_REG_BASE		0x1bc40000
  #define MIPS_SOCITSC_IC_REG_BASE	0x1ffa0000
  
  /*
   * Malta I/O ports base address for the Galileo GT64120 and Algorithmics
   * Bonito system controllers.
   */
  #define MALTA_GT_PORT_BASE	get_gt_port_base(GT_PCI0IOLD_OFS)
  #define MALTA_BONITO_PORT_BASE	((unsigned long)ioremap (0x1fd00000, 0x10000))
  #define MALTA_MSC_PORT_BASE	get_msc_port_base(MSC01_PCI_SC2PIOBASL)
  
  static inline unsigned long get_gt_port_base(unsigned long reg)
  {
  	unsigned long addr;
  	addr = GT_READ(reg);
  	return (unsigned long) ioremap (((addr & 0xffff) << 21), 0x10000);
  }
  
  static inline unsigned long get_msc_port_base(unsigned long reg)
  {
  	unsigned long addr;
  	MSC_READ(reg, addr);
  	return (unsigned long) ioremap(addr, 0x10000);
  }
  
  /*
   * GCMP Specific definitions
   */
  #define GCMP_BASE_ADDR			0x1fbf8000
  #define GCMP_ADDRSPACE_SZ		(256 * 1024)
  
  /*
   * GIC Specific definitions
   */
  #define GIC_BASE_ADDR			0x1bdc0000
  #define GIC_ADDRSPACE_SZ		(128 * 1024)
  
  /*
   * CPC Specific definitions
   */
  #define CPC_BASE_ADDR			0x1bde0000
  
  /*
   * MSC01 BIU Specific definitions
   * FIXME : These should be elsewhere ?
   */
  #define MSC01_BIU_REG_BASE		0x1bc80000
  #define MSC01_BIU_ADDRSPACE_SZ		(256 * 1024)
  #define MSC01_SC_CFG_OFS		0x0110
  #define MSC01_SC_CFG_GICPRES_MSK	0x00000004
  #define MSC01_SC_CFG_GICPRES_SHF	2
  #define MSC01_SC_CFG_GICENA_SHF		3
  
  /*
   * Malta RTC-device indirect register access.
   */
  #define MALTA_RTC_ADR_REG	0x70
  #define MALTA_RTC_DAT_REG	0x71
  
  /*
   * Malta SMSC FDC37M817 Super I/O Controller register.
   */
  #define SMSC_CONFIG_REG		0x3f0
  #define SMSC_DATA_REG		0x3f1
  
  #define SMSC_CONFIG_DEVNUM	0x7
  #define SMSC_CONFIG_ACTIVATE	0x30
  #define SMSC_CONFIG_ENTER	0x55
  #define SMSC_CONFIG_EXIT	0xaa
  
  #define SMSC_CONFIG_DEVNUM_FLOPPY     0
  
  #define SMSC_CONFIG_ACTIVATE_ENABLE   1
  
  #define SMSC_WRITE(x, a)     outb(x, a)
  
  #define MALTA_JMPRS_REG		0x1f000210
  
  #endif /* __ASM_MIPS_BOARDS_MALTA_H */