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//
// 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 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_B100_REGS_HPP
#define INCLUDED_B100_REGS_HPP
/////////////////////////////////////////////////////
// Slave pointers
#define B100_REG_SLAVE(n) ((n)<<7)
/////////////////////////////////////////////////////
// Slave 0 -- Misc Regs
#define B100_REG_MISC_BASE B100_REG_SLAVE(0)
#define B100_REG_MISC_LED B100_REG_MISC_BASE + 0
#define B100_REG_MISC_SW B100_REG_MISC_BASE + 2
#define B100_REG_MISC_CGEN_CTRL B100_REG_MISC_BASE + 4
#define B100_REG_MISC_CGEN_ST B100_REG_MISC_BASE + 6
/////////////////////////////////////////////////////
// Slave 1 -- UART
// CLKDIV is 16 bits, others are only 8
#define B100_REG_UART_BASE B100_REG_SLAVE(1)
#define B100_REG_UART_CLKDIV B100_REG_UART_BASE + 0
#define B100_REG_UART_TXLEVEL B100_REG_UART_BASE + 2
#define B100_REG_UART_RXLEVEL B100_REG_UART_BASE + 4
#define B100_REG_UART_TXCHAR B100_REG_UART_BASE + 6
#define B100_REG_UART_RXCHAR B100_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 B100_REG_SPI_BASE B100_REG_SLAVE(2)
//spi slave constants
#define B100_SPI_SS_AD9862 (1 << 2)
#define B100_SPI_SS_TX_DB (1 << 1)
#define B100_SPI_SS_RX_DB (1 << 0)
////////////////////////////////////////////////
// Slave 3 -- I2C Core
#define B100_REG_I2C_BASE B100_REG_SLAVE(3)
///////////////////////////////////////////////////
// Slave 7 -- Readback Mux 32
#define B100_REG_RB_MUX_32_BASE B100_REG_SLAVE(7)
#define B100_REG_RB_TIME_NOW_HI B100_REG_RB_MUX_32_BASE + 0
#define B100_REG_RB_TIME_NOW_LO B100_REG_RB_MUX_32_BASE + 4
#define B100_REG_RB_TIME_PPS_HI B100_REG_RB_MUX_32_BASE + 8
#define B100_REG_RB_TIME_PPS_LO B100_REG_RB_MUX_32_BASE + 12
#define B100_REG_RB_MISC_TEST32 B100_REG_RB_MUX_32_BASE + 16
#define B100_REG_RB_COMPAT B100_REG_RB_MUX_32_BASE + 24
#define B100_REG_RB_GPIO B100_REG_RB_MUX_32_BASE + 28
////////////////////////////////////////////////////
// Slaves 8 & 9 -- Settings Bus
//
// Output-only, no readback, 64 registers total
// Each register must be written 32 bits at a time
// First the address xxx_xx00 and then xxx_xx10
// 64 total regs in address space
#define B100_SR_RX_CTRL0 0 // 9 regs (+0 to +8)
#define B100_SR_RX_DSP0 10 // 4 regs (+0 to +3)
#define B100_SR_RX_CTRL1 16 // 9 regs (+0 to +8)
#define B100_SR_RX_DSP1 26 // 4 regs (+0 to +3)
#define B100_SR_TX_CTRL 32 // 4 regs (+0 to +3)
#define B100_SR_TX_DSP 38 // 3 regs (+0 to +2)
#define B100_SR_TIME64 42 // 6 regs (+0 to +5)
#define B100_SR_RX_FRONT 48 // 5 regs (+0 to +4)
#define B100_SR_TX_FRONT 54 // 5 regs (+0 to +4)
#define B100_SR_REG_TEST32 60 // 1 reg
#define B100_SR_CLEAR_FIFO 61 // 1 reg
#define B100_SR_GLOBAL_RESET 63 // 1 reg
#define B100_SR_USER_REGS 64 // 2 regs
#define B100_SR_GPIO 128
#define B100_REG_SR_ADDR(n) (B100_REG_SLAVE(8) + (4*(n)))
#define B100_REG_SR_MISC_TEST32 B100_REG_SR_ADDR(B100_SR_REG_TEST32)
/////////////////////////////////////////////////
// Magic reset regs
////////////////////////////////////////////////
#define B100_REG_CLEAR_FIFO B100_REG_SR_ADDR(B100_SR_CLEAR_FIFO)
#define B100_REG_GLOBAL_RESET B100_REG_SR_ADDR(B100_SR_GLOBAL_RESET)
#endif
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