arch/sh/drivers/pci/pci-sh4.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __PCI_SH4_H
   3 #define __PCI_SH4_H
   4
   5 #if defined(CONFIG_CPU_SUBTYPE_SH7780) || \
   6     defined(CONFIG_CPU_SUBTYPE_SH7785) || \
   7     defined(CONFIG_CPU_SUBTYPE_SH7763)
   8 #include "pci-sh7780.h"
   9 #else
  10 #include "pci-sh7751.h"
  11 #endif
  12
  13 #include <asm/io.h>
  14
  15 #define SH4_PCICR               0x100           /* PCI Control Register */
  16   #define SH4_PCICR_PREFIX        0xA5000000    /* CR prefix for write */
  17   #define SH4_PCICR_FTO           0x00000400    /* TRDY/IRDY Enable */
  18   #define SH4_PCICR_TRSB          0x00000200    /* Target Read Single */
  19   #define SH4_PCICR_BSWP          0x00000100    /* Target Byte Swap */
  20   #define SH4_PCICR_PLUP          0x00000080    /* Enable PCI Pullup */
  21   #define SH4_PCICR_ARBM          0x00000040    /* PCI Arbitration Mode */
  22   #define SH4_PCICR_MD            0x00000030    /* MD9 and MD10 status */
  23   #define SH4_PCICR_SERR          0x00000008    /* SERR output assert */
  24   #define SH4_PCICR_INTA          0x00000004    /* INTA output assert */
  25   #define SH4_PCICR_PRST          0x00000002    /* PCI Reset Assert */
  26   #define SH4_PCICR_CFIN          0x00000001    /* Central Fun. Init Done */
  27 #define SH4_PCILSR0             0x104           /* PCI Local Space Register0 */
  28 #define SH4_PCILSR1             0x108           /* PCI Local Space Register1 */
  29 #define SH4_PCILAR0             0x10C           /* PCI Local Addr Register1 */
  30 #define SH4_PCILAR1             0x110           /* PCI Local Addr Register1 */
  31 #define SH4_PCIINT              0x114           /* PCI Interrupt Register */
  32   #define SH4_PCIINT_MLCK         0x00008000    /* Master Lock Error */
  33   #define SH4_PCIINT_TABT         0x00004000    /* Target Abort Error */
  34   #define SH4_PCIINT_TRET         0x00000200    /* Target Retry Error */
  35   #define SH4_PCIINT_MFDE         0x00000100    /* Master Func. Disable Error */
  36   #define SH4_PCIINT_PRTY         0x00000080    /* Address Parity Error */
  37   #define SH4_PCIINT_SERR         0x00000040    /* SERR Detection Error */
  38   #define SH4_PCIINT_TWDP         0x00000020    /* Tgt. Write Parity Error */
  39   #define SH4_PCIINT_TRDP         0x00000010    /* Tgt. Read Parity Err Det. */
  40   #define SH4_PCIINT_MTABT        0x00000008    /* Master-Tgt. Abort Error */
  41   #define SH4_PCIINT_MMABT        0x00000004    /* Master-Master Abort Error */
  42   #define SH4_PCIINT_MWPD         0x00000002    /* Master Write PERR Detect */
  43   #define SH4_PCIINT_MRPD         0x00000001    /* Master Read PERR Detect */
  44 #define SH4_PCIINTM             0x118           /* PCI Interrupt Mask */
  45   #define SH4_PCIINTM_TTADIM      BIT(14)       /* Target-target abort interrupt */
  46   #define SH4_PCIINTM_TMTOIM      BIT(9)        /* Target retry timeout */
  47   #define SH4_PCIINTM_MDEIM       BIT(8)        /* Master function disable error */
  48   #define SH4_PCIINTM_APEDIM      BIT(7)        /* Address parity error detection */
  49   #define SH4_PCIINTM_SDIM        BIT(6)        /* SERR detection */
  50   #define SH4_PCIINTM_DPEITWM     BIT(5)        /* Data parity error for target write */
  51   #define SH4_PCIINTM_PEDITRM     BIT(4)        /* PERR detection for target read */
  52   #define SH4_PCIINTM_TADIMM      BIT(3)        /* Target abort for master */
  53   #define SH4_PCIINTM_MADIMM      BIT(2)        /* Master abort for master */
  54   #define SH4_PCIINTM_MWPDIM      BIT(1)        /* Master write data parity error */
  55   #define SH4_PCIINTM_MRDPEIM     BIT(0)        /* Master read data parity error */
  56 #define SH4_PCIALR              0x11C           /* Error Address Register */
  57 #define SH4_PCICLR              0x120           /* Error Command/Data */
  58   #define SH4_PCICLR_MPIO         0x80000000
  59   #define SH4_PCICLR_MDMA0        0x40000000    /* DMA0 Transfer Error */
  60   #define SH4_PCICLR_MDMA1        0x20000000    /* DMA1 Transfer Error */
  61   #define SH4_PCICLR_MDMA2        0x10000000    /* DMA2 Transfer Error */
  62   #define SH4_PCICLR_MDMA3        0x08000000    /* DMA3 Transfer Error */
  63   #define SH4_PCICLR_TGT          0x04000000    /* Target Transfer Error */
  64   #define SH4_PCICLR_CMDL         0x0000000F    /* PCI Command at Error */
  65 #define SH4_PCIAINT             0x130           /* Arbiter Interrupt Register */
  66   #define SH4_PCIAINT_MBKN        0x00002000    /* Master Broken Interrupt */
  67   #define SH4_PCIAINT_TBTO        0x00001000    /* Target Bus Time Out */
  68   #define SH4_PCIAINT_MBTO        0x00000800    /* Master Bus Time Out */
  69   #define SH4_PCIAINT_TABT        0x00000008    /* Target Abort */
  70   #define SH4_PCIAINT_MABT        0x00000004    /* Master Abort */
  71   #define SH4_PCIAINT_RDPE        0x00000002    /* Read Data Parity Error */
  72   #define SH4_PCIAINT_WDPE        0x00000001    /* Write Data Parity Error */
  73 #define SH4_PCIAINTM            0x134           /* Arbiter Int. Mask Register */
  74 #define SH4_PCIBMLR             0x138           /* Error Bus Master Register */
  75   #define SH4_PCIBMLR_REQ4        0x00000010    /* REQ4 bus master at error */
  76   #define SH4_PCIBMLR_REQ3        0x00000008    /* REQ3 bus master at error */
  77   #define SH4_PCIBMLR_REQ2        0x00000004    /* REQ2 bus master at error */
  78   #define SH4_PCIBMLR_REQ1        0x00000002    /* REQ1 bus master at error */
  79   #define SH4_PCIBMLR_REQ0        0x00000001    /* REQ0 bus master at error */
  80 #define SH4_PCIDMABT            0x140           /* DMA Transfer Arb. Register */
  81   #define SH4_PCIDMABT_RRBN       0x00000001    /* DMA Arbitor Round-Robin */
  82 #define SH4_PCIDPA0             0x180           /* DMA0 Transfer Addr. */
  83 #define SH4_PCIDLA0             0x184           /* DMA0 Local Addr. */
  84 #define SH4_PCIDTC0             0x188           /* DMA0 Transfer Cnt. */
  85 #define SH4_PCIDCR0             0x18C           /* DMA0 Control Register */
  86   #define SH4_PCIDCR_ALGN         0x00000600    /* DMA Alignment Mode */
  87   #define SH4_PCIDCR_MAST         0x00000100    /* DMA Termination Type */
  88   #define SH4_PCIDCR_INTM         0x00000080    /* DMA Interrupt Done Mask*/
  89   #define SH4_PCIDCR_INTS         0x00000040    /* DMA Interrupt Done Status */
  90   #define SH4_PCIDCR_LHLD         0x00000020    /* Local Address Control */
  91   #define SH4_PCIDCR_PHLD         0x00000010    /* PCI Address Control*/
  92   #define SH4_PCIDCR_IOSEL        0x00000008    /* PCI Address Space Type */
  93   #define SH4_PCIDCR_DIR          0x00000004    /* DMA Transfer Direction */
  94   #define SH4_PCIDCR_STOP         0x00000002    /* Force DMA Stop */
  95   #define SH4_PCIDCR_STRT         0x00000001    /* DMA Start */
  96 #define SH4_PCIDPA1             0x190           /* DMA1 Transfer Addr. */
  97 #define SH4_PCIDLA1             0x194           /* DMA1 Local Addr. */
  98 #define SH4_PCIDTC1             0x198           /* DMA1 Transfer Cnt. */
  99 #define SH4_PCIDCR1             0x19C           /* DMA1 Control Register */
 100 #define SH4_PCIDPA2             0x1A0           /* DMA2 Transfer Addr. */
 101 #define SH4_PCIDLA2             0x1A4           /* DMA2 Local Addr. */
 102 #define SH4_PCIDTC2             0x1A8           /* DMA2 Transfer Cnt. */
 103 #define SH4_PCIDCR2             0x1AC           /* DMA2 Control Register */
 104 #define SH4_PCIDPA3             0x1B0           /* DMA3 Transfer Addr. */
 105 #define SH4_PCIDLA3             0x1B4           /* DMA3 Local Addr. */
 106 #define SH4_PCIDTC3             0x1B8           /* DMA3 Transfer Cnt. */
 107 #define SH4_PCIDCR3             0x1BC           /* DMA3 Control Register */
 108 #define SH4_PCIPAR              0x1C0           /* PIO Address Register */
 109   #define SH4_PCIPAR_CFGEN        0x80000000    /* Configuration Enable */
 110   #define SH4_PCIPAR_BUSNO        0x00FF0000    /* Config. Bus Number */
 111   #define SH4_PCIPAR_DEVNO        0x0000FF00    /* Config. Device Number */
 112   #define SH4_PCIPAR_REGAD        0x000000FC    /* Register Address Number */
 113 #define SH4_PCIMBR              0x1C4           /* Memory Base Address */
 114   #define SH4_PCIMBR_MASK         0xFF000000    /* Memory Space Mask */
 115   #define SH4_PCIMBR_LOCK         0x00000001    /* Lock Memory Space */
 116 #define SH4_PCIIOBR             0x1C8           /* I/O Base Address Register */
 117   #define SH4_PCIIOBR_MASK        0xFFFC0000    /* IO Space Mask */
 118   #define SH4_PCIIOBR_LOCK        0x00000001    /* Lock IO Space */
 119 #define SH4_PCIPINT             0x1CC           /* Power Mgmnt Int. Register */
 120   #define SH4_PCIPINT_D3          0x00000002    /* D3 Pwr Mgmt. Interrupt */
 121   #define SH4_PCIPINT_D0          0x00000001    /* D0 Pwr Mgmt. Interrupt */
 122 #define SH4_PCIPINTM            0x1D0           /* Power Mgmnt Mask Register */
 123 #define SH4_PCICLKR             0x1D4           /* Clock Ctrl. Register */
 124   #define SH4_PCICLKR_PCSTP       0x00000002    /* PCI Clock Stop */
 125   #define SH4_PCICLKR_BCSTP       0x00000001    /* BCLK Clock Stop */
 126 /* For definitions of BCR, MCR see ... */
 127 #define SH4_PCIBCR1             0x1E0           /* Memory BCR1 Register */
 128   #define SH4_PCIMBR0           SH4_PCIBCR1
 129 #define SH4_PCIBCR2             0x1E4           /* Memory BCR2 Register */
 130   #define SH4_PCIMBMR0          SH4_PCIBCR2
 131 #define SH4_PCIWCR1             0x1E8           /* Wait Control 1 Register */
 132 #define SH4_PCIWCR2             0x1EC           /* Wait Control 2 Register */
 133 #define SH4_PCIWCR3             0x1F0           /* Wait Control 3 Register */
 134   #define SH4_PCIMBR2           SH4_PCIWCR3
 135 #define SH4_PCIMCR              0x1F4           /* Memory Control Register */
 136 #define SH4_PCIBCR3             0x1f8           /* Memory BCR3 Register */
 137 #define SH4_PCIPCTR             0x200           /* Port Control Register */
 138   #define SH4_PCIPCTR_P2EN        0x000400000   /* Port 2 Enable */
 139   #define SH4_PCIPCTR_P1EN        0x000200000   /* Port 1 Enable */
 140   #define SH4_PCIPCTR_P0EN        0x000100000   /* Port 0 Enable */
 141   #define SH4_PCIPCTR_P2UP        0x000000020   /* Port2 Pull Up Enable */
 142   #define SH4_PCIPCTR_P2IO        0x000000010   /* Port2 Output Enable */
 143   #define SH4_PCIPCTR_P1UP        0x000000008   /* Port1 Pull Up Enable */
 144   #define SH4_PCIPCTR_P1IO        0x000000004   /* Port1 Output Enable */
 145   #define SH4_PCIPCTR_P0UP        0x000000002   /* Port0 Pull Up Enable */
 146   #define SH4_PCIPCTR_P0IO        0x000000001   /* Port0 Output Enable */
 147 #define SH4_PCIPDTR             0x204           /* Port Data Register */
 148   #define SH4_PCIPDTR_PB5         0x000000020   /* Port 5 Enable */
 149   #define SH4_PCIPDTR_PB4         0x000000010   /* Port 4 Enable */
 150   #define SH4_PCIPDTR_PB3         0x000000008   /* Port 3 Enable */
 151   #define SH4_PCIPDTR_PB2         0x000000004   /* Port 2 Enable */
 152   #define SH4_PCIPDTR_PB1         0x000000002   /* Port 1 Enable */
 153   #define SH4_PCIPDTR_PB0         0x000000001   /* Port 0 Enable */
 154 #define SH4_PCIPDR              0x220           /* Port IO Data Register */
 155
 156 /* arch/sh/kernel/drivers/pci/ops-sh4.c */
 157 extern struct pci_ops sh4_pci_ops;
 158 int pci_fixup_pcic(struct pci_channel *chan);
 159
 160 struct sh4_pci_address_space {
 161         unsigned long base;
 162         unsigned long size;
 163 };
 164
 165 struct sh4_pci_address_map {
 166         struct sh4_pci_address_space window0;
 167         struct sh4_pci_address_space window1;
 168 };
 169
 170 static inline void pci_write_reg(struct pci_channel *chan,
 171                                  unsigned long val, unsigned long reg)
 172 {
 173         __raw_writel(val, chan->reg_base + reg);
 174 }
 175
 176 static inline unsigned long pci_read_reg(struct pci_channel *chan,
 177                                          unsigned long reg)
 178 {
 179         return __raw_readl(chan->reg_base + reg);
 180 }
 181
 182 #endif /* __PCI_SH4_H */