b3fea38d55c6ca49d145d8e4723183707629c9a8
[linux-3.10.git] / 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 */