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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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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 */ |
157 |
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