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 */ 183