1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * pcic.h: JavaEngine 1 specific PCI definitions.
4  *
5  * Copyright (C) 1998 V. Roganov and G. Raiko
6  */
7 
8 #ifndef __SPARC_PCIC_H
9 #define __SPARC_PCIC_H
10 
11 #ifndef __ASSEMBLY__
12 
13 #include <linux/types.h>
14 #include <linux/smp.h>
15 #include <linux/pci.h>
16 #include <linux/ioport.h>
17 #include <asm/pbm.h>
18 
19 struct linux_pcic {
20         void __iomem            *pcic_regs;
21         unsigned long           pcic_io;
22         void __iomem            *pcic_config_space_addr;
23         void __iomem            *pcic_config_space_data;
24 	struct resource		pcic_res_regs;
25 	struct resource		pcic_res_io;
26 	struct resource		pcic_res_cfg_addr;
27 	struct resource		pcic_res_cfg_data;
28         struct linux_pbm_info   pbm;
29 	struct pcic_ca2irq	*pcic_imap;
30 	int			pcic_imdim;
31 };
32 
33 #ifdef CONFIG_PCIC_PCI
34 int pcic_present(void);
35 int pcic_probe(void);
36 void pci_time_init(void);
37 void sun4m_pci_init_IRQ(void);
38 #else
pcic_present(void)39 static inline int pcic_present(void) { return 0; }
pcic_probe(void)40 static inline int pcic_probe(void) { return 0; }
pci_time_init(void)41 static inline void pci_time_init(void) {}
sun4m_pci_init_IRQ(void)42 static inline void sun4m_pci_init_IRQ(void) {}
43 #endif
44 #endif
45 
46 /* Size of PCI I/O space which we relocate. */
47 #define PCI_SPACE_SIZE                  0x1000000       /* 16 MB */
48 
49 /* PCIC Register Set. */
50 #define PCI_DIAGNOSTIC_0                0x40    /* 32 bits */
51 #define PCI_SIZE_0                      0x44    /* 32 bits */
52 #define PCI_SIZE_1                      0x48    /* 32 bits */
53 #define PCI_SIZE_2                      0x4c    /* 32 bits */
54 #define PCI_SIZE_3                      0x50    /* 32 bits */
55 #define PCI_SIZE_4                      0x54    /* 32 bits */
56 #define PCI_SIZE_5                      0x58    /* 32 bits */
57 #define PCI_PIO_CONTROL                 0x60    /* 8  bits */
58 #define PCI_DVMA_CONTROL                0x62    /* 8  bits */
59 #define  PCI_DVMA_CONTROL_INACTIVITY_REQ        (1<<0)
60 #define  PCI_DVMA_CONTROL_IOTLB_ENABLE          (1<<0)
61 #define  PCI_DVMA_CONTROL_IOTLB_DISABLE         0
62 #define  PCI_DVMA_CONTROL_INACTIVITY_ACK        (1<<4)
63 #define PCI_INTERRUPT_CONTROL           0x63    /* 8  bits */
64 #define PCI_CPU_INTERRUPT_PENDING       0x64    /* 32 bits */
65 #define PCI_DIAGNOSTIC_1                0x68    /* 16 bits */
66 #define PCI_SOFTWARE_INT_CLEAR          0x6a    /* 16 bits */
67 #define PCI_SOFTWARE_INT_SET            0x6e    /* 16 bits */
68 #define PCI_SYS_INT_PENDING             0x70    /* 32 bits */
69 #define  PCI_SYS_INT_PENDING_PIO		0x40000000
70 #define  PCI_SYS_INT_PENDING_DMA		0x20000000
71 #define  PCI_SYS_INT_PENDING_PCI		0x10000000
72 #define  PCI_SYS_INT_PENDING_APSR		0x08000000
73 #define PCI_SYS_INT_TARGET_MASK         0x74    /* 32 bits */
74 #define PCI_SYS_INT_TARGET_MASK_CLEAR   0x78    /* 32 bits */
75 #define PCI_SYS_INT_TARGET_MASK_SET     0x7c    /* 32 bits */
76 #define PCI_SYS_INT_PENDING_CLEAR       0x83    /* 8  bits */
77 #define  PCI_SYS_INT_PENDING_CLEAR_ALL		0x80
78 #define  PCI_SYS_INT_PENDING_CLEAR_PIO		0x40
79 #define  PCI_SYS_INT_PENDING_CLEAR_DMA		0x20
80 #define  PCI_SYS_INT_PENDING_CLEAR_PCI		0x10
81 #define PCI_IOTLB_CONTROL               0x84    /* 8  bits */
82 #define PCI_INT_SELECT_LO               0x88    /* 16 bits */
83 #define PCI_ARBITRATION_SELECT          0x8a    /* 16 bits */
84 #define PCI_INT_SELECT_HI               0x8c    /* 16 bits */
85 #define PCI_HW_INT_OUTPUT               0x8e    /* 16 bits */
86 #define PCI_IOTLB_RAM_INPUT             0x90    /* 32 bits */
87 #define PCI_IOTLB_CAM_INPUT             0x94    /* 32 bits */
88 #define PCI_IOTLB_RAM_OUTPUT            0x98    /* 32 bits */
89 #define PCI_IOTLB_CAM_OUTPUT            0x9c    /* 32 bits */
90 #define PCI_SMBAR0                      0xa0    /* 8  bits */
91 #define PCI_MSIZE0                      0xa1    /* 8  bits */
92 #define PCI_PMBAR0                      0xa2    /* 8  bits */
93 #define PCI_SMBAR1                      0xa4    /* 8  bits */
94 #define PCI_MSIZE1                      0xa5    /* 8  bits */
95 #define PCI_PMBAR1                      0xa6    /* 8  bits */
96 #define PCI_SIBAR                       0xa8    /* 8  bits */
97 #define   PCI_SIBAR_ADDRESS_MASK        0xf
98 #define PCI_ISIZE                       0xa9    /* 8  bits */
99 #define   PCI_ISIZE_16M                 0xf
100 #define   PCI_ISIZE_32M                 0xe
101 #define   PCI_ISIZE_64M                 0xc
102 #define   PCI_ISIZE_128M                0x8
103 #define   PCI_ISIZE_256M                0x0
104 #define PCI_PIBAR                       0xaa    /* 8  bits */
105 #define PCI_CPU_COUNTER_LIMIT_HI        0xac    /* 32 bits */
106 #define PCI_CPU_COUNTER_LIMIT_LO        0xb0    /* 32 bits */
107 #define PCI_CPU_COUNTER_LIMIT           0xb4    /* 32 bits */
108 #define PCI_SYS_LIMIT                   0xb8    /* 32 bits */
109 #define PCI_SYS_COUNTER                 0xbc    /* 32 bits */
110 #define   PCI_SYS_COUNTER_OVERFLOW      (1<<31) /* Limit reached */
111 #define PCI_SYS_LIMIT_PSEUDO            0xc0    /* 32 bits */
112 #define PCI_USER_TIMER_CONTROL          0xc4    /* 8  bits */
113 #define PCI_USER_TIMER_CONFIG           0xc5    /* 8  bits */
114 #define PCI_COUNTER_IRQ                 0xc6    /* 8  bits */
115 #define  PCI_COUNTER_IRQ_SET(sys_irq, cpu_irq)  ((((sys_irq) & 0xf) << 4) | \
116                                                   ((cpu_irq) & 0xf))
117 #define  PCI_COUNTER_IRQ_SYS(v)                 (((v) >> 4) & 0xf)
118 #define  PCI_COUNTER_IRQ_CPU(v)                 ((v) & 0xf)
119 #define PCI_PIO_ERROR_COMMAND           0xc7    /* 8  bits */
120 #define PCI_PIO_ERROR_ADDRESS           0xc8    /* 32 bits */
121 #define PCI_IOTLB_ERROR_ADDRESS         0xcc    /* 32 bits */
122 #define PCI_SYS_STATUS                  0xd0    /* 8  bits */
123 #define   PCI_SYS_STATUS_RESET_ENABLE           (1<<0)
124 #define   PCI_SYS_STATUS_RESET                  (1<<1)
125 #define   PCI_SYS_STATUS_WATCHDOG_RESET         (1<<4)
126 #define   PCI_SYS_STATUS_PCI_RESET              (1<<5)
127 #define   PCI_SYS_STATUS_PCI_RESET_ENABLE       (1<<6)
128 #define   PCI_SYS_STATUS_PCI_SATTELITE_MODE     (1<<7)
129 
130 #endif /* !(__SPARC_PCIC_H) */
131