aboutsummaryrefslogtreecommitdiffstats
path: root/host/lib/usrp/e100/e100_regs.hpp
blob: eee27b5b3efe7653fe7cf5a4dd6ccdfecf24f57b (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
//
// Copyright 2010-2012 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//

////////////////////////////////////////////////////////////////
//
//         Memory map for embedded wishbone bus
//
////////////////////////////////////////////////////////////////

// All addresses are byte addresses.  All accesses are word (16-bit) accesses.
//  This means that address bit 0 is usually 0.
//  There are 11 bits of address for the control.

#ifndef INCLUDED_E100_REGS_HPP
#define INCLUDED_E100_REGS_HPP

/////////////////////////////////////////////////////
// Slave pointers

#define E100_REG_SLAVE(n) ((n)<<7)

/////////////////////////////////////////////////////
// Slave 0 -- Misc Regs

#define E100_REG_MISC_BASE E100_REG_SLAVE(0)

#define E100_REG_MISC_LED        E100_REG_MISC_BASE + 0
#define E100_REG_MISC_SW         E100_REG_MISC_BASE + 2
#define E100_REG_MISC_CGEN_CTRL  E100_REG_MISC_BASE + 4
#define E100_REG_MISC_CGEN_ST    E100_REG_MISC_BASE + 6
#define E100_REG_MISC_TEST       E100_REG_MISC_BASE + 8
#define E100_REG_MISC_RX_LEN     E100_REG_MISC_BASE + 10
#define E100_REG_MISC_TX_LEN     E100_REG_MISC_BASE + 12
#define E100_REG_MISC_XFER_RATE  E100_REG_MISC_BASE + 14

/////////////////////////////////////////////////////
// Slave 1 -- UART
//   CLKDIV is 16 bits, others are only 8

#define E100_REG_UART_BASE E100_REG_SLAVE(1)

#define E100_REG_UART_CLKDIV  E100_REG_UART_BASE + 0
#define E100_REG_UART_TXLEVEL E100_REG_UART_BASE + 2
#define E100_REG_UART_RXLEVEL E100_REG_UART_BASE + 4
#define E100_REG_UART_TXCHAR  E100_REG_UART_BASE + 6
#define E100_REG_UART_RXCHAR  E100_REG_UART_BASE + 8

/////////////////////////////////////////////////////
// Slave 2 -- SPI Core
//these are 32-bit registers mapped onto the 16-bit Wishbone bus.
//Using peek32/poke32 should allow transparent use of these registers.
#define E100_REG_SPI_BASE E100_REG_SLAVE(2)

//spi slave constants
#define UE_SPI_SS_AD9522    (1 << 3)
#define UE_SPI_SS_AD9862    (1 << 2)
#define UE_SPI_SS_TX_DB     (1 << 1)
#define UE_SPI_SS_RX_DB     (1 << 0)

////////////////////////////////////////////////
// Slave 3 -- I2C Core

#define E100_REG_I2C_BASE E100_REG_SLAVE(3)

////////////////////////////////////////////////
// Slave 5 -- Error messages buffer

#define E100_REG_ERR_BUFF E100_REG_SLAVE(5)

///////////////////////////////////////////////////
// Slave 7 -- Readback Mux 32

#define E100_REG_RB_MUX_32_BASE  E100_REG_SLAVE(7)

#define E100_REG_RB_TIME_NOW_SECS   E100_REG_RB_MUX_32_BASE + 0
#define E100_REG_RB_TIME_NOW_TICKS  E100_REG_RB_MUX_32_BASE + 4
#define E100_REG_RB_TIME_PPS_SECS   E100_REG_RB_MUX_32_BASE + 8
#define E100_REG_RB_TIME_PPS_TICKS  E100_REG_RB_MUX_32_BASE + 12
#define E100_REG_RB_MISC_TEST32     E100_REG_RB_MUX_32_BASE + 16
#define E100_REG_RB_ERR_STATUS      E100_REG_RB_MUX_32_BASE + 20
#define E100_REG_RB_COMPAT          E100_REG_RB_MUX_32_BASE + 24
#define E100_REG_RB_GPIO            E100_REG_RB_MUX_32_BASE + 28

////////////////////////////////////////////////////
// Slave 8 -- Settings Bus
//
// Output-only, no readback, 64 registers total
//  Each register must be written 64 bits at a time
//  First the address xxx_xx00 and then xxx_xx10

// 64 total regs in address space
#define UE_SR_RX_CTRL0 0       // 9 regs (+0 to +8)
#define UE_SR_RX_DSP0 10       // 4 regs (+0 to +3)
#define UE_SR_RX_CTRL1 16      // 9 regs (+0 to +8)
#define UE_SR_RX_DSP1 26       // 4 regs (+0 to +3)
#define UE_SR_ERR_CTRL 30      // 1 reg
#define UE_SR_TX_CTRL 32       // 4 regs (+0 to +3)
#define UE_SR_TX_DSP 38        // 3 regs (+0 to +2)

#define UE_SR_TIME64 42        // 6 regs (+0 to +5)
#define UE_SR_RX_FRONT 48      // 5 regs (+0 to +4)
#define UE_SR_TX_FRONT 54      // 5 regs (+0 to +4)

#define UE_SR_REG_TEST32 60    // 1 reg
#define UE_SR_CLEAR_RX_FIFO 61 // 1 reg
#define UE_SR_CLEAR_TX_FIFO 62 // 1 reg
#define UE_SR_GLOBAL_RESET 63  // 1 reg
#define UE_SR_USER_REGS 64     // 2 regs

#define UE_SR_GPIO 128

#define E100_REG_SR_ADDR(n) (E100_REG_SLAVE(8) + (4*(n)))

#define E100_REG_SR_MISC_TEST32        E100_REG_SR_ADDR(UE_SR_REG_TEST32)
#define E100_REG_SR_ERR_CTRL           E100_REG_SR_ADDR(UE_SR_ERR_CTRL)

/////////////////////////////////////////////////
// Magic reset regs
////////////////////////////////////////////////
#define E100_REG_CLEAR_RX           E100_REG_SR_ADDR(UE_SR_CLEAR_RX_FIFO)
#define E100_REG_CLEAR_TX           E100_REG_SR_ADDR(UE_SR_CLEAR_RX_FIFO)
#define E100_REG_GLOBAL_RESET       E100_REG_SR_ADDR(UE_SR_GLOBAL_RESET)

#endif