diff options
Diffstat (limited to 'fpga/usrp2/boot_cpld')
| -rw-r--r-- | fpga/usrp2/boot_cpld/.gitignore | 38 | ||||
| -rwxr-xr-x | fpga/usrp2/boot_cpld/_impact.cmd | 34 | ||||
| -rwxr-xr-x | fpga/usrp2/boot_cpld/boot_cpld.ipf | bin | 0 -> 2967 bytes | |||
| -rwxr-xr-x | fpga/usrp2/boot_cpld/boot_cpld.ise | bin | 0 -> 227573 bytes | |||
| -rwxr-xr-x | fpga/usrp2/boot_cpld/boot_cpld.lfp | 5 | ||||
| -rwxr-xr-x | fpga/usrp2/boot_cpld/boot_cpld.ucf | 34 | ||||
| -rwxr-xr-x | fpga/usrp2/boot_cpld/boot_cpld.v | 95 |
7 files changed, 206 insertions, 0 deletions
diff --git a/fpga/usrp2/boot_cpld/.gitignore b/fpga/usrp2/boot_cpld/.gitignore new file mode 100644 index 000000000..45cf9a86b --- /dev/null +++ b/fpga/usrp2/boot_cpld/.gitignore @@ -0,0 +1,38 @@ +/*_xdb +/*.restore +/*.xrpt +/*.zip +/xst +/_ngo +/_xmsgs +/*.log +/*.stx +/*.tspec +/*.xml +/*.gyd +/*.ngr +/*.tim +/*.err +/*.lso +/*.bld +/*.cmd_log +/*.ise_ISE_Backup +/*.ipf_ISE_Backup +/*.mfd +/*.vm6 +/*.syr +/*.xst +/*.csv +/*.html +/*.jed +/*.pad +/*.ng* +/*.pnx +/*.rpt +/*.prj +/*_html +/*.cel +/_pace.ucf +/*.lock +/*.tfi +/templates diff --git a/fpga/usrp2/boot_cpld/_impact.cmd b/fpga/usrp2/boot_cpld/_impact.cmd new file mode 100755 index 000000000..4af86cb02 --- /dev/null +++ b/fpga/usrp2/boot_cpld/_impact.cmd @@ -0,0 +1,34 @@ +loadProjectFile -file "C:\cygwin\home\matt\usrp2\fpga\boot_cpld/boot_cpld.ipf"
+setMode -ss
+setMode -sm
+setMode -hw140
+setMode -spi
+setMode -acecf
+setMode -acempm
+setMode -pff
+setMode -bs
+setMode -bs
+setMode -bs
+setMode -bs
+setCable -port auto
+Identify
+identifyMPM
+assignFile -p 1 -file "C:/cygwin/home/matt/usrp2/fpga/boot_cpld/boot_cpld.jed"
+Program -p 1 -e -v -defaultVersion 0
+Program -p 1 -e -v -defaultVersion 0
+Program -p 1 -e -v -defaultVersion 0
+Program -p 1 -e -v -defaultVersion 0
+Program -p 1 -e -v -defaultVersion 0
+Program -p 1 -e -v -defaultVersion 0
+Identify
+identifyMPM
+Identify
+identifyMPM
+Identify
+identifyMPM
+Identify
+identifyMPM
+Identify
+identifyMPM
+setMode -bs
+deleteDevice -position 1
diff --git a/fpga/usrp2/boot_cpld/boot_cpld.ipf b/fpga/usrp2/boot_cpld/boot_cpld.ipf Binary files differnew file mode 100755 index 000000000..8acb6821e --- /dev/null +++ b/fpga/usrp2/boot_cpld/boot_cpld.ipf diff --git a/fpga/usrp2/boot_cpld/boot_cpld.ise b/fpga/usrp2/boot_cpld/boot_cpld.ise Binary files differnew file mode 100755 index 000000000..7252d3768 --- /dev/null +++ b/fpga/usrp2/boot_cpld/boot_cpld.ise diff --git a/fpga/usrp2/boot_cpld/boot_cpld.lfp b/fpga/usrp2/boot_cpld/boot_cpld.lfp new file mode 100755 index 000000000..0f0c8f2e2 --- /dev/null +++ b/fpga/usrp2/boot_cpld/boot_cpld.lfp @@ -0,0 +1,5 @@ +# begin LFP file C:\cygwin\home\matt\u2f\boot_cpld\boot_cpld.lfp
+designfile boot_cpld.v
+parttype xc9572xl-vq44-10
+bus_delimiter 0;
+set_busdelim_onsave 1;
diff --git a/fpga/usrp2/boot_cpld/boot_cpld.ucf b/fpga/usrp2/boot_cpld/boot_cpld.ucf new file mode 100755 index 000000000..789bb1d96 --- /dev/null +++ b/fpga/usrp2/boot_cpld/boot_cpld.ucf @@ -0,0 +1,34 @@ +NET "CLK_25MHZ" LOC = "P5" ;
+NET "CLK_25MHZ_EN" LOC = "P6" ;
+NET "LED<0>" LOC = "P12" ;
+NET "LED<1>" LOC = "P8" ;
+NET "LED<2>" LOC = "P7" ;
+NET "DEBUG<0>" LOC = "P1" ;
+NET "DEBUG<1>" LOC = "P2" ;
+NET "DEBUG<2>" LOC = "P3" ;
+NET "DEBUG<3>" LOC = "P29" ;
+NET "DEBUG<4>" LOC = "P30" ;
+NET "DEBUG<5>" LOC = "P31" ;
+NET "DEBUG<6>" LOC = "P32" ;
+NET "DEBUG<7>" LOC = "P33" ;
+NET "DEBUG<8>" LOC = "P34" ;
+NET "POR" LOC = "P42" ;
+NET "SD_nCS" LOC = "P20" ;
+NET "SD_Din" LOC = "P21" ;
+NET "SD_CLK" LOC = "P22" ;
+NET "SD_Dout" LOC = "P23" ;
+NET "SD_DAT1" LOC = "P27" ;
+NET "SD_DAT2" LOC = "P28" ;
+NET "SD_prot" LOC = "P19" ;
+NET "SD_det" LOC = "P36" ;
+NET "CFG_INIT_B" LOC = "P38" ;
+NET "CFG_Din" LOC = "P37" ;
+NET "CFG_CCLK" LOC = "P41" ;
+NET "CFG_DONE" LOC = "P40" ;
+NET "CFG_PROG_B" LOC = "P39" ;
+NET "CPLD_CLK" LOC = "P13" ;
+NET "START" LOC = "P14" ;
+NET "MODE" LOC = "P18" ;
+NET "DONE" LOC = "P16" ;
+NET "detached" LOC = "P43" ;
+NET "CPLD_misc" LOC = "P44" ;
diff --git a/fpga/usrp2/boot_cpld/boot_cpld.v b/fpga/usrp2/boot_cpld/boot_cpld.v new file mode 100755 index 000000000..2ffc6daed --- /dev/null +++ b/fpga/usrp2/boot_cpld/boot_cpld.v @@ -0,0 +1,95 @@ +`timescale 1ns / 1ps +// //////////////////////////////////////////////////////////////////////////////// +// Boot CPLD design, only for u2_rev2 +// //////////////////////////////////////////////////////////////////////////////// + +module boot_cpld + (input CLK_25MHZ, + output CLK_25MHZ_EN, + output [2:0] LED, + output [8:0] DEBUG, + input POR, + + // To SD Card + output SD_nCS, + output SD_Din, + output SD_CLK, + input SD_Dout, + input SD_DAT1, // Unused + input SD_DAT2, // Unused + input SD_prot, // Write Protect + input SD_det, // Card Detect + + // To FPGA Config Interface + input CFG_INIT_B, + output CFG_Din, // Also used in Data interface + output CFG_CCLK, + input CFG_DONE, + output CFG_PROG_B, + + // To FPGA data interface + output CPLD_CLK, + input START, + input MODE, + input DONE, + output detached, + input CPLD_misc // Unused for now + ); + + assign CLK_25MHZ_EN = 1'b1; + + assign LED[0] = ~CFG_DONE; + assign LED[1] = CFG_INIT_B; + assign LED[2] = ~CFG_PROG_B; + + wire en_outs; + wire [3:0] set_sel = 4'd0; + + assign CPLD_CLK = CFG_CCLK; + assign DEBUG[8:0] = { CLK_25MHZ, SD_nCS, SD_CLK, SD_Din, SD_Dout, + START, MODE, DONE, CPLD_misc}; + + // Handle cutover to FPGA control of SD + wire fpga_takeover = ~CPLD_misc; + wire SD_CLK_int, SD_nCS_int, SD_Din_int, CFG_Din_int; + + assign SD_CLK = fpga_takeover ? START : SD_CLK_int; + assign SD_nCS = fpga_takeover ? MODE : SD_nCS_int; + assign SD_Din = fpga_takeover ? DONE : SD_Din_int; + assign CFG_Din = fpga_takeover ? SD_Dout : CFG_Din_int; + + spi_boot #(.width_set_sel_g(4), // How many sets (16) + .width_bit_cnt_g(6), // Block length (12 is faster, 6 is minimum) + .width_img_cnt_g(2), // How many images per set + .num_bits_per_img_g(20), // Image size, 20 = 1MB + .sd_init_g(1), // SD-specific initialization + .mmc_compat_clk_div_g(0),// No MMC support + .width_mmc_clk_div_g(0), // No MMC support + .reset_level_g(0)) // Active low reset + + spi_boot(.clk_i(CLK_25MHZ), + .reset_i(POR), + + // To SD Card + .spi_clk_o(SD_CLK_int), + .spi_cs_n_o(SD_nCS_int), + .spi_data_in_i(SD_Dout), + .spi_data_out_o(SD_Din_int), + .spi_en_outs_o(en_outs), + + // Data Port + .start_i(START), + .mode_i(MODE), // 0->conf mode, 1->data mode + .detached_o(detached), + .dat_done_i(DONE), + .set_sel_i(set_sel), + + // To FPGA + .config_n_o(CFG_PROG_B), + .cfg_init_n_i(CFG_INIT_B), + .cfg_done_i(CFG_DONE), + .cfg_clk_o(CFG_CCLK), + .cfg_dat_o(CFG_Din_int) + ); + +endmodule // boot_cpld |