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Diffstat (limited to 'firmware/fx2/usrp1/usrp_regs.h')
| -rw-r--r-- | firmware/fx2/usrp1/usrp_regs.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/firmware/fx2/usrp1/usrp_regs.h b/firmware/fx2/usrp1/usrp_regs.h new file mode 100644 index 000000000..a4f1d9896 --- /dev/null +++ b/firmware/fx2/usrp1/usrp_regs.h @@ -0,0 +1,163 @@ +/* + * USRP - Universal Software Radio Peripheral + * + * Copyright (C) 2003 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301 USA + */ + +/* + * These are the register definitions for the Rev 1 USRP prototype + * The Rev 1 is the version with the AD9862's and daughterboards + */ + +#ifndef _USRP_REV1_REGS_H_ +#define _USRP_REV1_REGS_H_ + +#include "fx2regs.h" + +/* + * Port A (bit addressable): + */ + +#define USRP_PA IOA // Port A +#define USRP_PA_OE OEA // Port A direction register + +#define bmPA_S_CLK bmBIT0 // SPI serial clock +#define bmPA_S_DATA_TO_PERIPH bmBIT1 // SPI SDI (peripheral rel name) +#define bmPA_S_DATA_FROM_PERIPH bmBIT2 // SPI SDO (peripheral rel name) +#define bmPA_SEN_FPGA bmBIT3 // serial enable for FPGA (active low) +#define bmPA_SEN_CODEC_A bmBIT4 // serial enable AD9862 A (active low) +#define bmPA_SEN_CODEC_B bmBIT5 // serial enable AD9862 B (active low) +//#define bmPA_FX2_2 bmBIT6 // misc pin to FPGA (overflow) +//#define bmPA_FX2_3 bmBIT7 // misc pin to FPGA (underflow) +#define bmPA_RX_OVERRUN bmBIT6 // misc pin to FPGA (overflow) +#define bmPA_TX_UNDERRUN bmBIT7 // misc pin to FPGA (underflow) + + +sbit at 0x80+0 bitS_CLK; // 0x80 is the bit address of PORT A +sbit at 0x80+1 bitS_OUT; // out from FX2 point of view +sbit at 0x80+2 bitS_IN; // in from FX2 point of view + + +/* all outputs except S_DATA_FROM_PERIPH, FX2_2, FX2_3 */ + +#define bmPORT_A_OUTPUTS (bmPA_S_CLK \ + | bmPA_S_DATA_TO_PERIPH \ + | bmPA_SEN_FPGA \ + | bmPA_SEN_CODEC_A \ + | bmPA_SEN_CODEC_B \ + ) + +#define bmPORT_A_INITIAL (bmPA_SEN_FPGA | bmPA_SEN_CODEC_A | bmPA_SEN_CODEC_B) + + +/* Port B: GPIF FD[7:0] */ + +/* + * Port C (bit addressable): + * 5:1 FPGA configuration + */ + +#define USRP_PC IOC // Port C +#define USRP_PC_OE OEC // Port C direction register + +#define USRP_ALTERA_CONFIG USRP_PC + +#define bmPC_nRESET bmBIT0 // reset line to codecs (active low) +#define bmALTERA_DATA0 bmBIT1 +#define bmALTERA_NCONFIG bmBIT2 +#define bmALTERA_DCLK bmBIT3 +#define bmALTERA_CONF_DONE bmBIT4 +#define bmALTERA_NSTATUS bmBIT5 +#define bmPC_LED0 bmBIT6 // active low +#define bmPC_LED1 bmBIT7 // active low + +sbit at 0xA0+1 bitALTERA_DATA0; // 0xA0 is the bit address of PORT C +sbit at 0xA0+3 bitALTERA_DCLK; + + +#define bmALTERA_BITS (bmALTERA_DATA0 \ + | bmALTERA_NCONFIG \ + | bmALTERA_DCLK \ + | bmALTERA_CONF_DONE \ + | bmALTERA_NSTATUS) + +#define bmPORT_C_OUTPUTS (bmPC_nRESET \ + | bmALTERA_DATA0 \ + | bmALTERA_NCONFIG \ + | bmALTERA_DCLK \ + | bmPC_LED0 \ + | bmPC_LED1 \ + ) + +#define bmPORT_C_INITIAL (bmPC_LED0 | bmPC_LED1) + + +#define USRP_LED_REG USRP_PC +#define bmLED0 bmPC_LED0 +#define bmLED1 bmPC_LED1 + + +/* Port D: GPIF FD[15:8] */ + +/* Port E: not bit addressible */ + +#define USRP_PE IOE // Port E +#define USRP_PE_OE OEE // Port E direction register + +#define bmPE_PE0 bmBIT0 // GPIF debug output +#define bmPE_PE1 bmBIT1 // GPIF debug output +#define bmPE_PE2 bmBIT2 // GPIF debug output +#define bmPE_FPGA_CLR_STATUS bmBIT3 // misc pin to FPGA (clear status) +#define bmPE_SEN_TX_A bmBIT4 // serial enable d'board TX A (active low) +#define bmPE_SEN_RX_A bmBIT5 // serial enable d'board RX A (active low) +#define bmPE_SEN_TX_B bmBIT6 // serial enable d'board TX B (active low) +#define bmPE_SEN_RX_B bmBIT7 // serial enable d'board RX B (active low) + + +#define bmPORT_E_OUTPUTS (bmPE_FPGA_CLR_STATUS \ + | bmPE_SEN_TX_A \ + | bmPE_SEN_RX_A \ + | bmPE_SEN_TX_B \ + | bmPE_SEN_RX_B \ + ) + + +#define bmPORT_E_INITIAL (bmPE_SEN_TX_A \ + | bmPE_SEN_RX_A \ + | bmPE_SEN_TX_B \ + | bmPE_SEN_RX_B \ + ) + +/* + * FPGA output lines that are tied to FX2 RDYx inputs. + * These are readable using GPIFREADYSTAT. + */ +#define bmFPGA_HAS_SPACE bmBIT0 // usbrdy[0] has room for 512 byte packet +#define bmFPGA_PKT_AVAIL bmBIT1 // usbrdy[1] has >= 512 bytes available +// #define bmTX_UNDERRUN bmBIT2 // usbrdy[2] D/A ran out of data +// #define bmRX_OVERRUN bmBIT3 // usbrdy[3] A/D ran out of buffer + +/* + * FPGA input lines that are tied to the FX2 CTLx outputs. + * + * These are controlled by the GPIF microprogram... + */ +// WR bmBIT0 // usbctl[0] +// RD bmBIT1 // usbctl[1] +// OE bmBIT2 // usbctl[2] + +#endif /* _USRP_REV1_REGS_H_ */ |