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 fpga_read_reg(unsigned int reg)146 static inline u16 fpga_read_reg(unsigned int reg) 147 { 148 return ioread16(sdk7786_fpga_base + reg); 149 } 150 fpga_write_reg(u16 val,unsigned int reg)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 */ 157