URL
https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [or1k_startup/] [rtl/] [verilog/] [OR1K_startup_module_inst.v] - Rev 124
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OR1K_startup OR1K_startup0 ( .wb_adr_i(wbs_rom_adr_i[6:2]), .wb_stb_i(wbs_rom_stb_i), .wb_cyc_i(wbs_rom_cyc_i), .wb_dat_o(wbs_rom_dat_o), .wb_ack_o(wbs_rom_ack_o), .wb_clk(wb_clk), .wb_rst(wb_rst) ); wire spi_flash_mosi, spi_flash_miso, spi_flash_sclk; wire [1:0] spi_flash_ss; spi_flash_top # ( .divider(`SPI_FLASH_DIVIDER), .divider_len(`SPI_FLASH_DIVIDER_LEN) ) spi_flash_top0 ( // Wishbone signals .wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_adr_i(wbs_spi_flash_adr_i[4:2]), .wb_dat_i(wbs_spi_flash_dat_i), .wb_dat_o(wbs_spi_flash_dat_o), .wb_sel_i(wbs_spi_flash_sel_i), .wb_we_i(wbs_spi_flash_we_i), .wb_stb_i(wbs_spi_flash_stb_i), .wb_cyc_i(wbs_spi_flash_cyc_i), .wb_ack_o(wbs_spi_flash_ack_o), // SPI signals .mosi_pad_o(spi_flash_mosi), .miso_pad_i(spi_flash_miso), .sclk_pad_o(spi_flash_sclk), .ss_pad_o(spi_flash_ss) ); // external SPI FLASH assign spi_flash_mosi_pad_o = !spi_flash_ss[0] ? spi_flash_mosi : 1'b1; assign spi_flash_sclk_pad_o = !spi_flash_ss[0] ? spi_flash_sclk : 1'b1; assign spi_flash_ss_pad_o = spi_flash_ss[0]; assign spi_flash_w_n_pad_o = 1'b1; assign spi_flash_hold_n_pad_o = 1'b1; // external SD FLASH in SPI mode assign spi_sd_mosi_pad_o = !spi_flash_ss[1] ? spi_flash_mosi : 1'b1; assign spi_sd_sclk_pad_o = !spi_flash_ss[1] ? spi_flash_sclk : 1'b1; assign spi_sd_ss_pad_o = spi_flash_ss[1]; // input mux assign spi_flash_miso = !spi_flash_ss[0] ? spi_flash_miso_pad_i : !spi_flash_ss[1] ? spi_sd_miso_pad_i : 1'b0;
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