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////////////////////////////////////////////////////////////////
//
// 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 __USRP_E_REGS_H
#define __USRP_E_REGS_H
/////////////////////////////////////////////////////
// Slave pointers
#define UE_REG_SLAVE(n) ((n)<<7)
/////////////////////////////////////////////////////
// Slave 0 -- Misc Regs
#define UE_REG_MISC_BASE UE_REG_SLAVE(0)
#define UE_REG_MISC_LED UE_REG_MISC_BASE + 0
#define UE_REG_MISC_SW UE_REG_MISC_BASE + 2
#define UE_REG_MISC_CGEN_CTRL UE_REG_MISC_BASE + 4
#define UE_REG_MISC_CGEN_ST UE_REG_MISC_BASE + 6
#define UE_REG_MISC_TEST UE_REG_MISC_BASE + 8
#define UE_REG_MISC_RX_LEN UE_REG_MISC_BASE + 10
#define UE_REG_MISC_TX_LEN UE_REG_MISC_BASE + 12
/////////////////////////////////////////////////////
// Slave 1 -- UART
// CLKDIV is 16 bits, others are only 8
#define UE_REG_UART_BASE UE_REG_SLAVE(1)
#define UE_REG_UART_CLKDIV UE_REG_UART_BASE + 0
#define UE_REG_UART_TXLEVEL UE_REG_UART_BASE + 2
#define UE_REG_UART_RXLEVEL UE_REG_UART_BASE + 4
#define UE_REG_UART_TXCHAR UE_REG_UART_BASE + 6
#define UE_REG_UART_RXCHAR UE_REG_UART_BASE + 8
/////////////////////////////////////////////////////
// Slave 2 -- SPI Core
// This should be accessed through the IOCTL
// Users should not touch directly
#define UE_REG_SPI_BASE UE_REG_SLAVE(2)
//spi slave constants (copied from usrp2, TODO FIXME)
#define UE_SPI_SS_AD9522 1
#define UE_SPI_SS_AD9777 2
#define UE_SPI_SS_RX_DAC 4
#define UE_SPI_SS_RX_ADC 8
#define UE_SPI_SS_RX_DB 16
#define UE_SPI_SS_TX_DAC 32
#define UE_SPI_SS_TX_ADC 64
#define UE_SPI_SS_TX_DB 128
////////////////////////////////////////////////
// Slave 3 -- I2C Core
// This should be accessed through the IOCTL
// Users should not touch directly
#define UE_REG_I2C_BASE UE_REG_SLAVE(3)
////////////////////////////////////////////////
// Slave 4 -- GPIO
#define UE_REG_GPIO_BASE UE_REG_SLAVE(4)
#define UE_REG_GPIO_RX_IO UE_REG_GPIO_BASE + 0
#define UE_REG_GPIO_TX_IO UE_REG_GPIO_BASE + 2
#define UE_REG_GPIO_RX_DDR UE_REG_GPIO_BASE + 4
#define UE_REG_GPIO_TX_DDR UE_REG_GPIO_BASE + 6
#define UE_REG_GPIO_RX_SEL UE_REG_GPIO_BASE + 8
#define UE_REG_GPIO_TX_SEL UE_REG_GPIO_BASE + 10
#define UE_REG_GPIO_RX_DBG UE_REG_GPIO_BASE + 12
#define UE_REG_GPIO_TX_DBG UE_REG_GPIO_BASE + 14
// each 2-bit sel field is layed out this way
#define GPIO_SEL_SW 0 // if pin is an output, set by software in the io reg
#define GPIO_SEL_ATR 1 // if pin is an output, set by ATR logic
#define GPIO_SEL_DEBUG_0 0 // if pin is an output, debug lines from FPGA fabric
#define GPIO_SEL_DEBUG_1 1 // if pin is an output, debug lines from FPGA fabric
////////////////////////////////////////////////////
// Slave 5 -- Settings Bus
//
// Output-only, no readback, 32 registers total
// Each register must be written 32 bits at a time
// First the address xxx_xx00 and then xxx_xx10
#define UE_REG_SETTINGS_BASE UE_REG_SLAVE(5)
///////////////////////////////////////////////////
// Slave 6 -- ATR Controller
// 16 regs
#define UE_REG_ATR_BASE UE_REG_SLAVE(6)
#define UE_REG_ATR_IDLE_RXSIDE UE_REG_ATR_BASE + 0
#define UE_REG_ATR_IDLE_TXSIDE UE_REG_ATR_BASE + 2
#define UE_REG_ATR_INTX_RXSIDE UE_REG_ATR_BASE + 4
#define UE_REG_ATR_INTX_TXSIDE UE_REG_ATR_BASE + 6
#define UE_REG_ATR_INRX_RXSIDE UE_REG_ATR_BASE + 8
#define UE_REG_ATR_INRX_TXSIDE UE_REG_ATR_BASE + 10
#define UE_REG_ATR_FULL_RXSIDE UE_REG_ATR_BASE + 12
#define UE_REG_ATR_FULL_TXSIDE UE_REG_ATR_BASE + 14
#endif
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