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//
// Copyright 2010-2011 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/>.
//
#ifndef INCLUDED_USRP2_REGS_HPP
#define INCLUDED_USRP2_REGS_HPP
////////////////////////////////////////////////////////////////////////
// Define slave bases
////////////////////////////////////////////////////////////////////////
#define ROUTER_RAM_BASE 0x4000
#define SPI_BASE 0x5000
#define I2C_BASE 0x5400
#define GPIO_BASE 0x5800
#define READBACK_BASE 0x5C00
#define ETH_BASE 0x6000
#define SETTING_REGS_BASE 0x7000
#define PIC_BASE 0x8000
#define UART_BASE 0x8800
#define ATR_BASE 0x8C00
////////////////////////////////////////////////////////////////////////
// Setting register offsets
////////////////////////////////////////////////////////////////////////
#define SR_MISC 0 // 7 regs
#define SR_SIMTIMER 8 // 2
#define SR_TIME64 10 // 6
#define SR_BUF_POOL 16 // 4
#define SR_RX_FRONT 24 // 5
#define SR_RX_CTRL0 32 // 9
#define SR_RX_DSP0 48 // 7
#define SR_RX_CTRL1 80 // 9
#define SR_RX_DSP1 96 // 7
#define SR_TX_FRONT 128 // ?
#define SR_TX_CTRL 144 // 6
#define SR_TX_DSP 160 // 5
#define SR_UDP_SM 192 // 64
#define U2_REG_SR_ADDR(sr) (SETTING_REGS_BASE + (4 * (sr)))
/////////////////////////////////////////////////
// SPI Slave Constants
////////////////////////////////////////////////
// Masks for controlling different peripherals
#define SPI_SS_AD9510 1
#define SPI_SS_AD9777 2
#define SPI_SS_RX_DAC 4
#define SPI_SS_RX_ADC 8
#define SPI_SS_RX_DB 16
#define SPI_SS_TX_DAC 32
#define SPI_SS_TX_ADC 64
#define SPI_SS_TX_DB 128
#define SPI_SS_ADS62P44 256 //for usrp2p
/////////////////////////////////////////////////
// Misc Control
////////////////////////////////////////////////
#define U2_REG_MISC_CTRL_CLOCK U2_REG_SR_ADDR(0)
#define U2_REG_MISC_CTRL_SERDES U2_REG_SR_ADDR(1)
#define U2_REG_MISC_CTRL_ADC U2_REG_SR_ADDR(2)
#define U2_REG_MISC_CTRL_LEDS U2_REG_SR_ADDR(3)
#define U2_REG_MISC_CTRL_PHY U2_REG_SR_ADDR(4)
#define U2_REG_MISC_CTRL_DBG_MUX U2_REG_SR_ADDR(5)
#define U2_REG_MISC_CTRL_RAM_PAGE U2_REG_SR_ADDR(6)
#define U2_REG_MISC_CTRL_FLUSH_ICACHE U2_REG_SR_ADDR(7)
#define U2_REG_MISC_CTRL_LED_SRC U2_REG_SR_ADDR(8)
#define U2_FLAG_MISC_CTRL_SERDES_ENABLE 8
#define U2_FLAG_MISC_CTRL_SERDES_PRBSEN 4
#define U2_FLAG_MISC_CTRL_SERDES_LOOPEN 2
#define U2_FLAG_MISC_CTRL_SERDES_RXEN 1
#define U2_FLAG_MISC_CTRL_ADC_ON 0x0F
#define U2_FLAG_MISC_CTRL_ADC_OFF 0x00
/////////////////////////////////////////////////
// Readback regs
////////////////////////////////////////////////
#define U2_REG_STATUS READBACK_BASE + 4*8
#define U2_REG_TIME64_SECS_RB_IMM READBACK_BASE + 4*10
#define U2_REG_TIME64_TICKS_RB_IMM READBACK_BASE + 4*11
#define U2_REG_COMPAT_NUM_RB READBACK_BASE + 4*12
#define U2_REG_IRQ_RB READBACK_BASE + 4*13
#define U2_REG_TIME64_SECS_RB_PPS READBACK_BASE + 4*14
#define U2_REG_TIME64_TICKS_RB_PPS READBACK_BASE + 4*15
////////////////////////////////////////////////
// GPIO
////////////////////////////////////////////////
#define U2_REG_GPIO_IO GPIO_BASE + 0
#define U2_REG_GPIO_DDR GPIO_BASE + 4
#define U2_REG_GPIO_TX_SEL GPIO_BASE + 8
#define U2_REG_GPIO_RX_SEL GPIO_BASE + 12
// each 2-bit sel field is layed out this way
#define U2_FLAG_GPIO_SEL_GPIO 0 // if pin is an output, set by GPIO register
#define U2_FLAG_GPIO_SEL_ATR 1 // if pin is an output, set by ATR logic
#define U2_FLAG_GPIO_SEL_DEBUG_0 2 // if pin is an output, debug lines from FPGA fabric
#define U2_FLAG_GPIO_SEL_DEBUG_1 3 // if pin is an output, debug lines from FPGA fabric
///////////////////////////////////////////////////
// ATR Controller
////////////////////////////////////////////////
#define U2_REG_ATR_IDLE_TXSIDE ATR_BASE + 0
#define U2_REG_ATR_IDLE_RXSIDE ATR_BASE + 2
#define U2_REG_ATR_INTX_TXSIDE ATR_BASE + 4
#define U2_REG_ATR_INTX_RXSIDE ATR_BASE + 6
#define U2_REG_ATR_INRX_TXSIDE ATR_BASE + 8
#define U2_REG_ATR_INRX_RXSIDE ATR_BASE + 10
#define U2_REG_ATR_FULL_TXSIDE ATR_BASE + 12
#define U2_REG_ATR_FULL_RXSIDE ATR_BASE + 14
#endif /* INCLUDED_USRP2_REGS_HPP */
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