arch/arm/include/asm/hardware/it8152.h

   1 /*
   2  * linux/include/arm/hardware/it8152.h
   3  *
   4  * Copyright Compulab Ltd., 2006,2007
   5  * Mike Rapoport <mike@compulab.co.il>
   6  *
   7  * ITE 8152 companion chip register definitions
   8  */
   9
  10 #ifndef __ASM_HARDWARE_IT8152_H
  11 #define __ASM_HARDWARE_IT8152_H
  12 extern unsigned long it8152_base_address;
  13
  14 #define IT8152_IO_BASE                  (it8152_base_address + 0x03e00000)
  15 #define IT8152_CFGREG_BASE              (it8152_base_address + 0x03f00000)
  16
  17 #define __REG_IT8152(x)                 (it8152_base_address + (x))
  18
  19 #define IT8152_PCI_CFG_ADDR             __REG_IT8152(0x3f00800)
  20 #define IT8152_PCI_CFG_DATA             __REG_IT8152(0x3f00804)
  21
  22 #define IT8152_INTC_LDCNIRR             __REG_IT8152(0x3f00300)
  23 #define IT8152_INTC_LDPNIRR             __REG_IT8152(0x3f00304)
  24 #define IT8152_INTC_LDCNIMR             __REG_IT8152(0x3f00308)
  25 #define IT8152_INTC_LDPNIMR             __REG_IT8152(0x3f0030C)
  26 #define IT8152_INTC_LDNITR              __REG_IT8152(0x3f00310)
  27 #define IT8152_INTC_LDNIAR              __REG_IT8152(0x3f00314)
  28 #define IT8152_INTC_LPCNIRR             __REG_IT8152(0x3f00320)
  29 #define IT8152_INTC_LPPNIRR             __REG_IT8152(0x3f00324)
  30 #define IT8152_INTC_LPCNIMR             __REG_IT8152(0x3f00328)
  31 #define IT8152_INTC_LPPNIMR             __REG_IT8152(0x3f0032C)
  32 #define IT8152_INTC_LPNITR              __REG_IT8152(0x3f00330)
  33 #define IT8152_INTC_LPNIAR              __REG_IT8152(0x3f00334)
  34 #define IT8152_INTC_PDCNIRR             __REG_IT8152(0x3f00340)
  35 #define IT8152_INTC_PDPNIRR             __REG_IT8152(0x3f00344)
  36 #define IT8152_INTC_PDCNIMR             __REG_IT8152(0x3f00348)
  37 #define IT8152_INTC_PDPNIMR             __REG_IT8152(0x3f0034C)
  38 #define IT8152_INTC_PDNITR              __REG_IT8152(0x3f00350)
  39 #define IT8152_INTC_PDNIAR              __REG_IT8152(0x3f00354)
  40 #define IT8152_INTC_INTC_TYPER          __REG_IT8152(0x3f003FC)
  41
  42 #define IT8152_GPIO_GPDR                __REG_IT8152(0x3f00500)
  43
  44 /*
  45   Interrupt controller per register summary:
  46   ---------------------------------------
  47   LCDNIRR:
  48   IT8152_LD_IRQ(8) PCICLK stop
  49   IT8152_LD_IRQ(7) MCLK ready
  50   IT8152_LD_IRQ(6) s/w
  51   IT8152_LD_IRQ(5) UART
  52   IT8152_LD_IRQ(4) GPIO
  53   IT8152_LD_IRQ(3) TIMER 4
  54   IT8152_LD_IRQ(2) TIMER 3
  55   IT8152_LD_IRQ(1) TIMER 2
  56   IT8152_LD_IRQ(0) TIMER 1
  57
  58   LPCNIRR:
  59   IT8152_LP_IRQ(x) serial IRQ x
  60
  61   PCIDNIRR:
  62   IT8152_PD_IRQ(14) PCISERR
  63   IT8152_PD_IRQ(13) CPU/PCI bridge target abort (h2pTADR)
  64   IT8152_PD_IRQ(12) CPU/PCI bridge master abort (h2pMADR)
  65   IT8152_PD_IRQ(11) PCI INTD
  66   IT8152_PD_IRQ(10) PCI INTC
  67   IT8152_PD_IRQ(9)  PCI INTB
  68   IT8152_PD_IRQ(8)  PCI INTA
  69   IT8152_PD_IRQ(7)  serial INTD
  70   IT8152_PD_IRQ(6)  serial INTC
  71   IT8152_PD_IRQ(5)  serial INTB
  72   IT8152_PD_IRQ(4)  serial INTA
  73   IT8152_PD_IRQ(3)  serial IRQ IOCHK (IOCHKR)
  74   IT8152_PD_IRQ(2)  chaining DMA (CDMAR)
  75   IT8152_PD_IRQ(1)  USB (USBR)
  76   IT8152_PD_IRQ(0)  Audio controller (ACR)
  77  */
  78 #define IT8152_IRQ(x)   (IRQ_BOARD_START + (x))
  79 #define IT8152_LAST_IRQ (IRQ_BOARD_START + 40)
  80
  81 /* IRQ-sources in 3 groups - local devices, LPC (serial), and external PCI */
  82 #define IT8152_LD_IRQ_COUNT     9
  83 #define IT8152_LP_IRQ_COUNT     16
  84 #define IT8152_PD_IRQ_COUNT     15
  85
  86 /* Priorities: */
  87 #define IT8152_PD_IRQ(i)        IT8152_IRQ(i)
  88 #define IT8152_LP_IRQ(i)        (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT)
  89 #define IT8152_LD_IRQ(i)        (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT + IT8152_LP_IRQ_COUNT)
  90
  91 /* frequently used interrupts */
  92 #define IT8152_PCISERR          IT8152_PD_IRQ(14)
  93 #define IT8152_H2PTADR          IT8152_PD_IRQ(13)
  94 #define IT8152_H2PMAR           IT8152_PD_IRQ(12)
  95 #define IT8152_PCI_INTD         IT8152_PD_IRQ(11)
  96 #define IT8152_PCI_INTC         IT8152_PD_IRQ(10)
  97 #define IT8152_PCI_INTB         IT8152_PD_IRQ(9)
  98 #define IT8152_PCI_INTA         IT8152_PD_IRQ(8)
  99 #define IT8152_CDMA_INT         IT8152_PD_IRQ(2)
 100 #define IT8152_USB_INT          IT8152_PD_IRQ(1)
 101 #define IT8152_AUDIO_INT        IT8152_PD_IRQ(0)
 102
 103 struct pci_dev;
 104 struct pci_sys_data;
 105
 106 extern void it8152_irq_demux(unsigned int irq, struct irq_desc *desc);
 107 extern void it8152_init_irq(void);
 108 extern int it8152_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
 109 extern int it8152_pci_setup(int nr, struct pci_sys_data *sys);
 110 extern struct pci_bus *it8152_pci_scan_bus(int nr, struct pci_sys_data *sys);
 111
 112 #endif /* __ASM_HARDWARE_IT8152_H */