arch/sh/include/mach-sdk7786/mach/fpga.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __MACH_SDK7786_FPGA_H
   3 #define __MACH_SDK7786_FPGA_H
   4
   5 #include <linux/io.h>
   6 #include <linux/types.h>
   7 #include <linux/bitops.h>
   8
   9 #define SRSTR           0x000
  10 #define  SRSTR_MAGIC    0x1971  /* Fixed magical read value */
  11
  12 #define INTASR          0x010
  13 #define INTAMR          0x020
  14 #define MODSWR          0x030
  15 #define INTTESTR        0x040
  16 #define SYSSR           0x050
  17 #define NRGPR           0x060
  18
  19 #define NMISR           0x070
  20 #define  NMISR_MAN_NMI  BIT(0)
  21 #define  NMISR_AUX_NMI  BIT(1)
  22 #define  NMISR_MASK     (NMISR_MAN_NMI | NMISR_AUX_NMI)
  23
  24 #define NMIMR           0x080
  25 #define  NMIMR_MAN_NMIM BIT(0)  /* Manual NMI mask */
  26 #define  NMIMR_AUX_NMIM BIT(1)  /* Auxiliary NMI mask */
  27 #define  NMIMR_MASK     (NMIMR_MAN_NMIM | NMIMR_AUX_NMIM)
  28
  29 #define INTBSR          0x090
  30 #define INTBMR          0x0a0
  31 #define USRLEDR         0x0b0
  32 #define MAPSWR          0x0c0
  33 #define FPGAVR          0x0d0
  34 #define FPGADR          0x0e0
  35 #define PCBRR           0x0f0
  36 #define RSR             0x100
  37 #define EXTASR          0x110
  38 #define SPCAR           0x120
  39 #define INTMSR          0x130
  40
  41 #define PCIECR          0x140
  42 #define  PCIECR_PCIEMUX1        BIT(15)
  43 #define  PCIECR_PCIEMUX0        BIT(14)
  44 #define  PCIECR_PRST4           BIT(12) /* slot 4 card present */
  45 #define  PCIECR_PRST3           BIT(11) /* slot 3 card present */
  46 #define  PCIECR_PRST2           BIT(10) /* slot 2 card present */
  47 #define  PCIECR_PRST1           BIT(9)  /* slot 1 card present */
  48 #define  PCIECR_CLKEN           BIT(4)  /* oscillator enable */
  49
  50 #define FAER            0x150
  51 #define USRGPIR         0x160
  52
  53 /* 0x170 reserved */
  54
  55 #define LCLASR                  0x180
  56 #define  LCLASR_FRAMEN          BIT(15)
  57
  58 #define  LCLASR_FPGA_SEL_SHIFT  12
  59 #define  LCLASR_NAND_SEL_SHIFT  8
  60 #define  LCLASR_NORB_SEL_SHIFT  4
  61 #define  LCLASR_NORA_SEL_SHIFT  0
  62
  63 #define  LCLASR_AREA_MASK       0x7
  64
  65 #define  LCLASR_FPGA_SEL_MASK   (LCLASR_AREA_MASK << LCLASR_FPGA_SEL_SHIFT)
  66 #define  LCLASR_NAND_SEL_MASK   (LCLASR_AREA_MASK << LCLASR_NAND_SEL_SHIFT)
  67 #define  LCLASR_NORB_SEL_MASK   (LCLASR_AREA_MASK << LCLASR_NORB_SEL_SHIFT)
  68 #define  LCLASR_NORA_SEL_MASK   (LCLASR_AREA_MASK << LCLASR_NORA_SEL_SHIFT)
  69
  70 #define SBCR            0x190
  71 #define  SCBR_I2CMEN    BIT(0)  /* FPGA I2C master enable */
  72 #define  SCBR_I2CCEN    BIT(1)  /* CPU I2C master enable */
  73
  74 #define PWRCR           0x1a0
  75 #define  PWRCR_SCISEL0  BIT(0)
  76 #define  PWRCR_SCISEL1  BIT(1)
  77 #define  PWRCR_SCIEN    BIT(2)  /* Serial port enable */
  78 #define  PWRCR_PDWNACK  BIT(5)  /* Power down acknowledge */
  79 #define  PWRCR_PDWNREQ  BIT(7)  /* Power down request */
  80 #define  PWRCR_INT2     BIT(11) /* INT2 connection to power manager */
  81 #define  PWRCR_BUPINIT  BIT(13) /* DDR backup initialize */
  82 #define  PWRCR_BKPRST   BIT(15) /* Backup power reset */
  83
  84 #define SPCBR           0x1b0
  85 #define SPICR           0x1c0
  86 #define SPIDR           0x1d0
  87 #define I2CCR           0x1e0
  88 #define I2CDR           0x1f0
  89 #define FPGACR          0x200
  90 #define IASELR1         0x210
  91 #define IASELR2         0x220
  92 #define IASELR3         0x230
  93 #define IASELR4         0x240
  94 #define IASELR5         0x250
  95 #define IASELR6         0x260
  96 #define IASELR7         0x270
  97 #define IASELR8         0x280
  98 #define IASELR9         0x290
  99 #define IASELR10        0x2a0
 100 #define IASELR11        0x2b0
 101 #define IASELR12        0x2c0
 102 #define IASELR13        0x2d0
 103 #define IASELR14        0x2e0
 104 #define IASELR15        0x2f0
 105 /* 0x300 reserved */
 106 #define IBSELR1         0x310
 107 #define IBSELR2         0x320
 108 #define IBSELR3         0x330
 109 #define IBSELR4         0x340
 110 #define IBSELR5         0x350
 111 #define IBSELR6         0x360
 112 #define IBSELR7         0x370
 113 #define IBSELR8         0x380
 114 #define IBSELR9         0x390
 115 #define IBSELR10        0x3a0
 116 #define IBSELR11        0x3b0
 117 #define IBSELR12        0x3c0
 118 #define IBSELR13        0x3d0
 119 #define IBSELR14        0x3e0
 120 #define IBSELR15        0x3f0
 121 #define USRACR          0x400
 122 #define BEEPR           0x410
 123 #define USRLCDR         0x420
 124 #define SMBCR           0x430
 125 #define SMBDR           0x440
 126 #define USBCR           0x450
 127 #define AMSR            0x460
 128 #define ACCR            0x470
 129 #define SDIFCR          0x480
 130
 131 /* arch/sh/boards/mach-sdk7786/fpga.c */
 132 extern void __iomem *sdk7786_fpga_base;
 133 extern void sdk7786_fpga_init(void);
 134
 135 /* arch/sh/boards/mach-sdk7786/nmi.c */
 136 extern void sdk7786_nmi_init(void);
 137
 138 #define SDK7786_FPGA_REGADDR(reg)       (sdk7786_fpga_base + (reg))
 139
 140 /*
 141  * A convenience wrapper from register offset to internal I2C address,
 142  * when the FPGA is in I2C slave mode.
 143  */
 144 #define SDK7786_FPGA_I2CADDR(reg)       ((reg) >> 3)
 145
 146 static inline u16 fpga_read_reg(unsigned int reg)
 147 {
 148         return ioread16(sdk7786_fpga_base + reg);
 149 }
 150
 151 static inline void fpga_write_reg(u16 val, unsigned int reg)
 152 {
 153         iowrite16(val, sdk7786_fpga_base + reg);
 154 }
 155
 156 #endif /* __MACH_SDK7786_FPGA_H */