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kernel/linux-rt-4.4.41/arch/arm/include/asm/hardware/it8152.h 3.81 KB
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  /*
   * linux/include/arm/hardware/it8152.h
   *
   * Copyright Compulab Ltd., 2006,2007
   * Mike Rapoport <mike@compulab.co.il>
   *
   * ITE 8152 companion chip register definitions
   */
  
  #ifndef __ASM_HARDWARE_IT8152_H
  #define __ASM_HARDWARE_IT8152_H
  
  #include <mach/irqs.h>
  
  extern void __iomem *it8152_base_address;
  
  #define IT8152_IO_BASE			(it8152_base_address + 0x03e00000)
  #define IT8152_CFGREG_BASE		(it8152_base_address + 0x03f00000)
  
  #define __REG_IT8152(x)			(it8152_base_address + (x))
  
  #define IT8152_PCI_CFG_ADDR		__REG_IT8152(0x3f00800)
  #define IT8152_PCI_CFG_DATA		__REG_IT8152(0x3f00804)
  
  #define IT8152_INTC_LDCNIRR		__REG_IT8152(0x3f00300)
  #define IT8152_INTC_LDPNIRR		__REG_IT8152(0x3f00304)
  #define IT8152_INTC_LDCNIMR		__REG_IT8152(0x3f00308)
  #define IT8152_INTC_LDPNIMR		__REG_IT8152(0x3f0030C)
  #define IT8152_INTC_LDNITR		__REG_IT8152(0x3f00310)
  #define IT8152_INTC_LDNIAR		__REG_IT8152(0x3f00314)
  #define IT8152_INTC_LPCNIRR		__REG_IT8152(0x3f00320)
  #define IT8152_INTC_LPPNIRR		__REG_IT8152(0x3f00324)
  #define IT8152_INTC_LPCNIMR		__REG_IT8152(0x3f00328)
  #define IT8152_INTC_LPPNIMR		__REG_IT8152(0x3f0032C)
  #define IT8152_INTC_LPNITR		__REG_IT8152(0x3f00330)
  #define IT8152_INTC_LPNIAR		__REG_IT8152(0x3f00334)
  #define IT8152_INTC_PDCNIRR		__REG_IT8152(0x3f00340)
  #define IT8152_INTC_PDPNIRR		__REG_IT8152(0x3f00344)
  #define IT8152_INTC_PDCNIMR		__REG_IT8152(0x3f00348)
  #define IT8152_INTC_PDPNIMR		__REG_IT8152(0x3f0034C)
  #define IT8152_INTC_PDNITR		__REG_IT8152(0x3f00350)
  #define IT8152_INTC_PDNIAR		__REG_IT8152(0x3f00354)
  #define IT8152_INTC_INTC_TYPER		__REG_IT8152(0x3f003FC)
  
  #define IT8152_GPIO_GPDR		__REG_IT8152(0x3f00500)
  
  /*
    Interrupt controller per register summary:
    ---------------------------------------
    LCDNIRR:
    IT8152_LD_IRQ(8) PCICLK stop
    IT8152_LD_IRQ(7) MCLK ready
    IT8152_LD_IRQ(6) s/w
    IT8152_LD_IRQ(5) UART
    IT8152_LD_IRQ(4) GPIO
    IT8152_LD_IRQ(3) TIMER 4
    IT8152_LD_IRQ(2) TIMER 3
    IT8152_LD_IRQ(1) TIMER 2
    IT8152_LD_IRQ(0) TIMER 1
  
    LPCNIRR:
    IT8152_LP_IRQ(x) serial IRQ x
  
    PCIDNIRR:
    IT8152_PD_IRQ(14) PCISERR
    IT8152_PD_IRQ(13) CPU/PCI bridge target abort (h2pTADR)
    IT8152_PD_IRQ(12) CPU/PCI bridge master abort (h2pMADR)
    IT8152_PD_IRQ(11) PCI INTD
    IT8152_PD_IRQ(10) PCI INTC
    IT8152_PD_IRQ(9)  PCI INTB
    IT8152_PD_IRQ(8)  PCI INTA
    IT8152_PD_IRQ(7)  serial INTD
    IT8152_PD_IRQ(6)  serial INTC
    IT8152_PD_IRQ(5)  serial INTB
    IT8152_PD_IRQ(4)  serial INTA
    IT8152_PD_IRQ(3)  serial IRQ IOCHK (IOCHKR)
    IT8152_PD_IRQ(2)  chaining DMA (CDMAR)
    IT8152_PD_IRQ(1)  USB (USBR)
    IT8152_PD_IRQ(0)  Audio controller (ACR)
   */
  #define IT8152_IRQ(x)   (IRQ_BOARD_START + (x))
  #define IT8152_LAST_IRQ	(IRQ_BOARD_START + 40)
  
  /* IRQ-sources in 3 groups - local devices, LPC (serial), and external PCI */
  #define IT8152_LD_IRQ_COUNT     9
  #define IT8152_LP_IRQ_COUNT     16
  #define IT8152_PD_IRQ_COUNT     15
  
  /* Priorities: */
  #define IT8152_PD_IRQ(i)        IT8152_IRQ(i)
  #define IT8152_LP_IRQ(i)        (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT)
  #define IT8152_LD_IRQ(i)        (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT + IT8152_LP_IRQ_COUNT)
  
  /* frequently used interrupts */
  #define IT8152_PCISERR		IT8152_PD_IRQ(14)
  #define IT8152_H2PTADR		IT8152_PD_IRQ(13)
  #define IT8152_H2PMAR		IT8152_PD_IRQ(12)
  #define IT8152_PCI_INTD		IT8152_PD_IRQ(11)
  #define IT8152_PCI_INTC		IT8152_PD_IRQ(10)
  #define IT8152_PCI_INTB		IT8152_PD_IRQ(9)
  #define IT8152_PCI_INTA		IT8152_PD_IRQ(8)
  #define IT8152_CDMA_INT		IT8152_PD_IRQ(2)
  #define IT8152_USB_INT		IT8152_PD_IRQ(1)
  #define IT8152_AUDIO_INT	IT8152_PD_IRQ(0)
  
  struct pci_dev;
  struct pci_sys_data;
  
  extern void it8152_irq_demux(struct irq_desc *desc);
  extern void it8152_init_irq(void);
  extern int it8152_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
  extern int it8152_pci_setup(int nr, struct pci_sys_data *sys);
  extern struct pci_ops it8152_ops;
  
  #endif /* __ASM_HARDWARE_IT8152_H */