aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/include/mach-sdk7786/mach/fpga.h
blob: a9cdac469927ad6ee738a2ebf6bc66763c12babc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
#ifndef __MACH_SDK7786_FPGA_H
#define __MACH_SDK7786_FPGA_H

#include <linux/io.h>
#include <linux/types.h>
#include <linux/bitops.h>

#define SRSTR		0x000
#define  SRSTR_MAGIC	0x1971	/* Fixed magical read value */

#define INTASR		0x010
#define INTAMR		0x020
#define MODSWR		0x030
#define INTTESTR	0x040
#define SYSSR		0x050
#define NRGPR		0x060

#define NMISR		0x070
#define  NMISR_MAN_NMI	BIT(0)
#define  NMISR_AUX_NMI	BIT(1)
#define  NMISR_MASK	(NMISR_MAN_NMI | NMISR_AUX_NMI)

#define NMIMR		0x080
#define  NMIMR_MAN_NMIM	BIT(0)	/* Manual NMI mask */
#define  NMIMR_AUX_NMIM	BIT(1)	/* Auxiliary NMI mask */
#define  NMIMR_MASK	(NMIMR_MAN_NMIM | NMIMR_AUX_NMIM)

#define INTBSR		0x090
#define INTBMR		0x0a0
#define USRLEDR		0x0b0
#define MAPSWR		0x0c0
#define FPGAVR		0x0d0
#define FPGADR		0x0e0
#define PCBRR		0x0f0
#define RSR		0x100
#define EXTASR		0x110
#define SPCAR		0x120
#define INTMSR		0x130

#define PCIECR		0x140
#define  PCIECR_PCIEMUX1	BIT(15)
#define  PCIECR_PCIEMUX0	BIT(14)
#define  PCIECR_PRST4		BIT(12) /* slot 4 card present */
#define  PCIECR_PRST3		BIT(11) /* slot 3 card present */
#define  PCIECR_PRST2		BIT(10) /* slot 2 card present */
#define  PCIECR_PRST1		BIT(9)  /* slot 1 card present */
#define  PCIECR_CLKEN		BIT(4)	/* oscillator enable */

#define FAER		0x150
#define USRGPIR		0x160

/* 0x170 reserved */

#define LCLASR			0x180
#define  LCLASR_FRAMEN		BIT(15)

#define  LCLASR_FPGA_SEL_SHIFT	12
#define  LCLASR_NAND_SEL_SHIFT	8
#define  LCLASR_NORB_SEL_SHIFT	4
#define  LCLASR_NORA_SEL_SHIFT	0

#define  LCLASR_AREA_MASK	0x7

#define  LCLASR_FPGA_SEL_MASK	(LCLASR_AREA_MASK << LCLASR_FPGA_SEL_SHIFT)
#define  LCLASR_NAND_SEL_MASK	(LCLASR_AREA_MASK << LCLASR_NAND_SEL_SHIFT)
#define  LCLASR_NORB_SEL_MASK	(LCLASR_AREA_MASK << LCLASR_NORB_SEL_SHIFT)
#define  LCLASR_NORA_SEL_MASK	(LCLASR_AREA_MASK << LCLASR_NORA_SEL_SHIFT)

#define SBCR		0x190
#define  SCBR_I2CMEN	BIT(0)	/* FPGA I2C master enable */
#define  SCBR_I2CCEN	BIT(1)	/* CPU I2C master enable */

#define PWRCR		0x1a0
#define  PWRCR_SCISEL0	BIT(0)
#define  PWRCR_SCISEL1	BIT(1)
#define  PWRCR_SCIEN	BIT(2)	/* Serial port enable */
#define  PWRCR_PDWNACK	BIT(5)	/* Power down acknowledge */
#define  PWRCR_PDWNREQ	BIT(7)	/* Power down request */
#define  PWRCR_INT2	BIT(11)	/* INT2 connection to power manager */
#define  PWRCR_BUPINIT	BIT(13)	/* DDR backup initialize */
#define  PWRCR_BKPRST	BIT(15) /* Backup power reset */

#define SPCBR		0x1b0
#define SPICR		0x1c0
#define SPIDR		0x1d0
#define I2CCR		0x1e0
#define I2CDR		0x1f0
#define FPGACR		0x200
#define IASELR1		0x210
#define IASELR2		0x220
#define IASELR3		0x230
#define IASELR4		0x240
#define IASELR5		0x250
#define IASELR6		0x260
#define IASELR7		0x270
#define IASELR8		0x280
#define IASELR9		0x290
#define IASELR10	0x2a0
#define IASELR11	0x2b0
#define IASELR12	0x2c0
#define IASELR13	0x2d0
#define IASELR14	0x2e0
#define IASELR15	0x2f0
/* 0x300 reserved */
#define IBSELR1		0x310
#define IBSELR2		0x320
#define IBSELR3		0x330
#define IBSELR4		0x340
#define IBSELR5		0x350
#define IBSELR6		0x360
#define IBSELR7		0x370
#define IBSELR8		0x380
#define IBSELR9		0x390
#define IBSELR10	0x3a0
#define IBSELR11	0x3b0
#define IBSELR12	0x3c0
#define IBSELR13	0x3d0
#define IBSELR14	0x3e0
#define IBSELR15	0x3f0
#define USRACR		0x400
#define BEEPR		0x410
#define USRLCDR		0x420
#define SMBCR		0x430
#define SMBDR		0x440
#define USBCR		0x450
#define AMSR		0x460
#define ACCR		0x470
#define SDIFCR		0x480

/* arch/sh/boards/mach-sdk7786/fpga.c */
extern void __iomem *sdk7786_fpga_base;
extern void sdk7786_fpga_init(void);

/* arch/sh/boards/mach-sdk7786/nmi.c */
extern void sdk7786_nmi_init(void);

#define SDK7786_FPGA_REGADDR(reg)	(sdk7786_fpga_base + (reg))

/*
 * A convenience wrapper from register offset to internal I2C address,
 * when the FPGA is in I2C slave mode.
 */
#define SDK7786_FPGA_I2CADDR(reg)	((reg) >> 3)

static inline u16 fpga_read_reg(unsigned int reg)
{
	return ioread16(sdk7786_fpga_base + reg);
}

static inline void fpga_write_reg(u16 val, unsigned int reg)
{
	iowrite16(val, sdk7786_fpga_base + reg);
}

#endif /* __MACH_SDK7786_FPGA_H */