arch/sparc/include/asm/pcic.h

   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
  39 static inline int pcic_present(void) { return 0; }
  40 static inline int pcic_probe(void) { return 0; }
  41 static inline void pci_time_init(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) */